CN220649924U - Digital display suction gun - Google Patents
Digital display suction gun Download PDFInfo
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- CN220649924U CN220649924U CN202322104736.0U CN202322104736U CN220649924U CN 220649924 U CN220649924 U CN 220649924U CN 202322104736 U CN202322104736 U CN 202322104736U CN 220649924 U CN220649924 U CN 220649924U
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- suction gun
- gun body
- capillary
- digital display
- suction
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- 238000001514 detection method Methods 0.000 claims abstract description 70
- 230000001681 protective effect Effects 0.000 claims description 9
- 238000001914 filtration Methods 0.000 claims description 6
- 239000010453 quartz Substances 0.000 claims description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 239000007789 gas Substances 0.000 abstract description 12
- 239000001307 helium Substances 0.000 abstract description 8
- 229910052734 helium Inorganic materials 0.000 abstract description 8
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 abstract description 8
- 238000010586 diagram Methods 0.000 description 5
- 239000000428 dust Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000004804 winding Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000005452 bending Methods 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 238000001819 mass spectrum Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011859 microparticle Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a digital display suction gun, which relates to the technical field of helium mass spectrometer leak detectors and comprises a suction gun body, wherein the suction gun body comprises a control device and a display, a suction gun main body pipe and a capillary pipe are sequentially communicated at an air inlet of the suction gun body, a detection device is connected at an air outlet of the suction gun body, the capillary pipe passes through the control device and is communicated with the detection device, the control device is respectively communicated with the display and the detection device through a micro control unit, detection data are synchronously displayed through the display after the detection device detects the suction gas, the detection data do not need to be checked on leak detection equipment, the real-time property of the data is ensured, two ends of the suction gun main body pipe are respectively connected with a primary filter device and a secondary filter device, and the secondary filter device is positioned between the suction gun main body pipe and the capillary pipe, so that the leakage gas is sufficiently purified before entering the capillary pipe, and the blockage of a capillary pipe at the rear end is avoided.
Description
Technical Field
The utility model relates to the technical field of helium mass spectrometer leak detectors, in particular to a digital display suction gun.
Background
In recent years, the demand for leak detection of high-pressure containers is increasing, so that mass spectrum leak detection technology is applied to a plurality of technical fields, and a leak detection suction gun is also listed as a necessary component. When the leak detector is used for leak detection, if the leak detector is used for leak detection by adopting an inflation method, a suction gun is a necessary component in the process, when the suction gun is connected to the leak detector, the leak detector is ensured to be in proper air flow and proper vacuum degree, the detected device is filled with mixed gas or helium with a plurality of atmospheres, when the suction gun nozzle moves along a part to be detected and does not encounter a leak hole, a small amount of air always flows into the leak detector through the suction gun nozzle, when the leak hole is encountered, the helium in a container is leaked out through the leak hole, is sucked into the leak detector by the suction gun, the leak detection equipment can give an alarm, and parameters are displayed, so that the position of the leak hole and the leak rate of the leak detector can be judged, and mass spectrum leak detection is implemented on the pressurized container, so that the product quality can be greatly improved.
The existing traditional suction gun is usually provided with a capillary tube at the suction gun tube air inlet, the suction gun capillary tube is easy to be blocked in the actual use process, the suction gun tube is very small in diameter, the disassembly or the installation of the capillary tube is very inconvenient, the maintenance is inconvenient, the length of a wire tube is 3-10m long when the traditional suction gun is used, data are read and need to be observed on leakage detection equipment, one person is required to check the data after detecting the data, the data are inconsistent in real-time performance, or two persons are required to observe the data simultaneously, and resources are wasted.
Disclosure of Invention
The utility model aims to provide a digital display suction gun, which is characterized in that a primary filter device is arranged at an air inlet of the digital display suction gun for preliminarily filtering large-particle dust, a secondary filter device is arranged in front of a capillary tube for further filtering small-particle dust, so that the blockage of the capillary tube at the rear end is avoided, a detection device connected with an air outlet of a suction gun body can timely detect sucked air and synchronously display detection data through a display, detection is not required to be checked on leakage detection equipment after detection, and the real-time property of the data is ensured.
The utility model is realized by the following technical scheme:
a digital display suction gun, comprising:
the suction gun comprises a suction gun body, wherein the suction gun body comprises a control device and a display, a suction gun main body pipe and a capillary are sequentially communicated at an air inlet of the suction gun body, and a detection device is connected at an air outlet of the suction gun body;
the control device is respectively communicated with the display and the detection device through the micro control unit;
the two ends of the suction gun main body pipe are respectively connected with a primary filter device and a secondary filter device, and the secondary filter device is positioned between the suction gun main body pipe and the capillary pipe;
the capillary tube passes through the control device and is communicated with the detection device.
In this scheme, inhale the rifle and pass through the primary filter equipment preliminary filtration large granule dust of entrance, still set up secondary filter equipment before the capillary, further reduce the jam of capillary to inhale the detection device that rifle body gas outlet department is connected and can in time detect inhaled gas and pass through the synchronous demonstration of display with detection data, need not detect the back again and look over on the leak hunting equipment, guaranteed that the data is real-time, still practiced thrift the manpower.
As a further technical scheme of the digital display suction gun, the primary filter device is a porous filter head.
Through above-mentioned technical scheme, porous filter head sets up in digital display suction gun air inlet department, makes the big granule dust in the gas filtered, has reduced the possibility that the capillary was blockked up to this porous filter head is changed conveniently, has also strengthened the practicality of this application.
As a further technical scheme of the digital display suction gun, the secondary filtering device is a filter disc.
Through the technical scheme, the filter plate is arranged in front of the capillary tube, is round or square, has the filtering precision of 1-300 microns, can further filter small micro-particle dust, and avoids the blockage of the capillary tube at the rear end.
As a further technical scheme of the digital display suction gun, the air inlet section of the capillary tube is a quartz capillary tube.
Through the technical scheme, the capillary air inlet section is a quartz capillary, quartz has stronger adsorptivity to helium relative to other materials, helium in gas can be better adsorbed into detection equipment, and the detection precision of the equipment is improved.
As a further technical scheme of the digital display suction gun, a fixing component is arranged between the detecting device and the suction gun body and comprises a suction gun capillary fixing seat, an upper suction gun body and a lower suction gun body, one end of the upper suction gun body is connected with the suction gun body, the other end of the upper suction gun body is connected with the lower suction gun body, and a cavity for accommodating the suction gun capillary fixing seat is formed in the upper suction gun body and the lower suction gun body.
Through above-mentioned technical scheme, upward inhale rifle main part and lower suction rifle main part inside be formed with the cavity that holds suction rifle capillary fixing base, make this application compact structure, effectively reduce the volume of this application.
As a further technical scheme of the digital display suction gun, one end of the capillary is wound on the peripheral side wall of the suction gun capillary fixing seat.
Through above-mentioned technical scheme, capillary in this application has adopted the wire winding formula for traditional straight tube formula, winds the capillary on the periphery lateral wall of suction gun capillary fixing base, when can fix the capillary, avoided the easy problem of bending the jam of straight tube formula to reduce the required position space of straight tube formula, can effectively reduce more than 8cm, and can change the wire winding number according to leak hunting mouth pressure, guarantee that leak hunting equipment entry keeps at several Pa, and the wire winding formula is changed also conveniently, through direct change suction gun capillary fixing base can, convenient and fast.
As a further technical scheme of the digital display suction gun, a suction gun passage pipe body is coated on the outer side of a capillary section positioned in the control device for protecting the capillary.
As a further technical scheme of the digital display suction gun, the fixing assembly further comprises a protective anti-skid sleeve, the protective anti-skid sleeve is hollow, and the suction gun capillary fixing seat, the upper suction gun main body and the lower suction gun main body are all arranged in the hollow of the protective anti-skid sleeve.
Through above-mentioned technical scheme, will inhale rifle capillary fixing base, go up and inhale rifle main part and inhale the rifle main part down and all set up in the cavity inside of protection antiskid cover, make this application compact structure, further effectively reduce the volume of this application.
As a further technical scheme of the digital display suction gun, the fixing assembly further comprises an air guide pipeline cable and a waterproof joint connected to the tail of the downdraft gun main body, and the air guide pipeline cable is fixed to the downdraft gun main body through the waterproof joint.
Through above-mentioned technical scheme, the air duct cable is fixed in on the downdraft gun main part through water joint, and this simple structure is compact, has improved fixed subassembly's gas tightness.
As a further technical scheme of the digital display suction gun, the suction gun body further comprises a vibration module, and the vibration module is electrically connected with the micro control unit.
Through above-mentioned technical scheme, reveal gas and pass through the air duct cable, get into detection device, detect helium when detection device, report to the police through vibrations module vibrations to according to the data change speed and the size that display shows on the suction gun, judge the position and the size of the weeping of here.
According to the technical scheme, the digital display suction gun comprises a suction gun body, wherein the suction gun body comprises a control device and a display, a suction gun main body pipe and a capillary are sequentially communicated at an air inlet of the suction gun body, a detection device is connected at an air outlet of the suction gun body, the capillary penetrates through the control device and is communicated with the detection device, the control device is respectively communicated with the display and the detection device through a micro control unit, detection data are synchronously displayed through the display after the detection device detects the suction gas, the detection device does not need to check on leakage detection equipment, the data instantaneity is guaranteed, the two ends of the suction gun main body pipe are respectively connected with a primary filter device and a secondary filter device, the secondary filter device is positioned between the suction gun main body pipe and the capillary, leakage gas is sufficiently purified before entering the capillary, and blockage of the capillary at the rear end is avoided.
Drawings
The accompanying drawings, which are included to provide a further understanding of embodiments of the utility model and are incorporated in and constitute a part of this application, illustrate embodiments of the utility model. In the drawings:
FIG. 1 is a schematic diagram of an explosion structure of a digital display suction gun provided by the utility model;
FIG. 2 is a schematic diagram of a partial sectional structure of a digital display suction gun according to the present utility model;
FIG. 3 is a schematic diagram of the digital display suction gun according to the present utility model;
FIG. 4 is a schematic diagram of the circuit control of the digital suction gun provided by the utility model;
fig. 5 is a schematic diagram of an operation flow of the digital display suction gun provided by the utility model.
In the drawings, the reference numerals and corresponding part names:
the device comprises a display, a 2-lower handheld shell, a 3-suction gun main body pipe, a 4-first inner hexagonal socket head screw, a 5-suction gun barrel fixing seat, a 6-second inner hexagonal socket head screw, a 7-primary filter device, an 8-waterproof joint, a 9-air guide pipeline cable, a 10-circuit board, an 11-upper suction gun main body, a 12-lower suction gun main body, a 13-suction gun capillary fixing seat, a 14-suction gun main body pipe fixing seat, a 15-suction gun passage pipe body, a 16-vibration module, a 17-protection anti-skid sleeve, an 18-upper handheld shell, a 19-secondary filter device, a 20-first O-shaped ring, a 21-second O-shaped ring, a 22-third O-shaped ring and a 23-quartz capillary.
Detailed Description
For the purpose of making apparent the objects, technical solutions and advantages of the present utility model, the present utility model will be further described in detail with reference to the following examples and the accompanying drawings, wherein the exemplary embodiments of the present utility model and the descriptions thereof are for illustrating the present utility model only and are not to be construed as limiting the present utility model.
The embodiment provides a digital display suction gun, as shown in fig. 1-3, including a suction gun body, wherein the suction gun body includes a control device and a display 1, the control device includes a lower handheld housing 2, an upper handheld housing 18 and a circuit board 10, the suction gun body air inlet is sequentially connected with a suction gun body tube 3 and a capillary tube, a space for accommodating the circuit board 10 and the display 1 is formed between the lower handheld housing 2 and the upper handheld housing 18 through a second inner hexagonal socket head screw 6, specifically, one end of the suction gun body tube 3 is connected with a primary filter device 7, in the embodiment, the primary filter device is a porous filter head, the secondary filter device is a filter sheet with a filter precision of 2 μm, the other end of the suction gun body tube 3 is fixed on a suction gun body tube fixing seat 14, the suction gun body tube fixing seat 14 is fixed on the lower handheld housing 2 and the upper handheld housing 18 through a first inner hexagonal socket head screw 4 and a suction fixing seat 5, at the same time, the air outlet end of the suction gun body tube 3 is connected with a secondary filter device 19, the detection device is improved, the detection device is arranged at the position of the inner end of the capillary tube is connected with a capillary tube 3, and the capillary tube is connected with a capillary tube protection device at the inner end of the capillary tube protection device, and the capillary tube protection device is a capillary tube protection device is connected with the capillary tube protection device, and the capillary tube protection device is in a sealing device is connected with the capillary tube protection device, and the capillary tube protection device is connected with the capillary tube protection device.
In this embodiment, referring to fig. 1, the fixing assembly includes a fixing base 13 for a suction gun capillary, an upper suction gun body 11 and a lower suction gun body 12, one end of the upper suction gun body 11 is connected with the lower handheld housing 2 and the upper handheld housing 18, the other end is connected with the lower suction gun body 12, and sealed cavities for accommodating the fixing base 13 for a suction gun capillary are formed inside the upper suction gun body 11 and the lower suction gun body 12, specifically, third O-rings 22 are respectively disposed between the fixing base 13 for a suction gun capillary and the upper suction gun body 11 and the lower suction gun body 12, and meanwhile, the tail end of the capillary is wound on the peripheral side wall of the fixing base 13 for a suction gun capillary, so that the problem of easy bending and blocking of a straight tube is avoided while the capillary can be fixed, the number of winding turns can be replaced according to the pressure of a leak detection opening, the inlet of the leak detection device is kept at several pa, the winding wire replacement is also convenient, and the fixing base 13 is replaced by directly replacing the suction gun capillary.
In this embodiment, referring to fig. 2, the fixing assembly further includes a protective anti-slip cover 17, an air guide pipeline cable 9, and a waterproof connector 8 connected to the tail of the lower suction gun body 12, the protective anti-slip cover 17 is hollow, the suction gun capillary fixing seat 13, the upper suction gun body 11, and the lower suction gun body 12 are all disposed in the hollow of the protective anti-slip cover 17, and the air guide pipeline cable 9 is fixed on the lower suction gun body 12 through the waterproof connector 8, and is communicated with the detection device at the other end of the air guide pipeline cable 9.
Meanwhile, the suction gun body further comprises a vibration module 16, the vibration module 16 is electrically connected with the micro-control unit, when leakage gas passes through the air guide pipeline cable 9 and enters the detection device, the detection device detects helium, the vibration module 16 is used for giving an alarm, and the position and the size of a leakage opening are judged according to the data change speed and the size of the display 1 on the suction gun.
Specifically, referring to fig. 4, the micro control unit selects a control chip STC8H3K64S4, the control chip has low power consumption and low cost, and has good anti-interference performance, the micro control unit MCU communicates with the detection device, displays information such as real-time leak rate and alarm, receives key trigger instructions to control the detection device to perform zero setting, start and stop, and the like, and shakes 17 modules to operate during alarm, so that an operator is timely and effectively reminded that the leak rate exceeds a set threshold.
Specifically, referring to fig. 5, the operation flow of the present application is as follows:
1. the suction gun is connected with a detection device;
2. the display 1 displays the current detection device status
3. Control of the detection device is performed by different detection device states:
a. in the starting process: the vibration module 16 does not operate during the starting process, and needs to wait for the completion of the starting of the detection device to automatically enter a standby state.
b. Standby: the vibration module 16 does not operate during standby, and the leak detection key is started to control the detection device to enter a leak detection mode (leak detection).
C. Leak detection mode (leak detection in): the vibration module does not operate in the leak detection mode (leak detection). At this time, the display 1 displays real-time information such as leak rate and leak rate unit. And (3) zeroing according to the requirements, starting a zeroing button of the suction gun, and controlling the detection device to enter a zeroing state. If the leakage detection needs to be withdrawn, the leakage detection key of the suction gun needs to be pressed again, and the standby mode is entered.
D. Zero setting mode: the vibration module does not operate in the zeroing mode. At this time, the display 1 displays real-time information such as leak rate after zeroing, leak rate unit, and the like. According to the requirement, the zeroing button of the suction gun can be pressed to exit the zeroing mode and enter the leak detection mode (leak detection). If the leak detection in the zeroing mode is needed to be stopped, the leak detection key of the suction gun is needed to be pressed, and the standby mode is entered.
E. Exceeding a threshold value: when the threshold value is exceeded, the vibration module vibrates to prompt the position of the leakage point in time, and the leakage detection key of the suction gun can be pressed to enter a standby state; if the zero setting button of the suction gun can be pressed on the premise of zero setting, the zero setting is canceled, and the zero setting button of the suction gun is pressed again to enter a zero setting mode.
The foregoing description of the embodiments has been provided for the purpose of illustrating the general principles of the utility model, and is not meant to limit the scope of the utility model, but to limit the utility model to the particular embodiments, and any modifications, equivalents, improvements, etc. that fall within the spirit and principles of the utility model are intended to be included within the scope of the utility model.
Claims (10)
1. A digital display suction gun, comprising:
the suction gun comprises a suction gun body, wherein the suction gun body comprises a control device and a display (1), a suction gun main body pipe (3) and a capillary tube are sequentially communicated at an air inlet of the suction gun body, and a detection device is connected at an air outlet of the suction gun body;
the control device is respectively communicated with the display (1) and the detection device through a micro control unit;
the two ends of the suction gun main body pipe (3) are respectively connected with a primary filter device (7) and a secondary filter device (19), and the secondary filter device (19) is positioned between the suction gun main body pipe (3) and the capillary tube;
the capillary tube passes through the control device and is communicated with the detection device.
2. A digital display suction gun according to claim 1, characterized in that the primary filter device (7) is a porous filter head.
3. A digital suction gun as claimed in claim 1, characterized in that the secondary filtering means (19) are filter discs.
4. A digital display suction gun according to claim 1, characterized in that the inlet section of the capillary tube is a quartz capillary tube (23).
5. The digital display suction gun according to claim 1, wherein a fixing component is arranged between the detection device and the suction gun body, the fixing component comprises a suction gun capillary fixing seat (13), an upper suction gun body (11) and a lower suction gun body (12), one end of the upper suction gun body (11) is connected with the suction gun body, the other end of the upper suction gun body is connected with the lower suction gun body (12), and a cavity for accommodating the suction gun capillary fixing seat (13) is formed inside the upper suction gun body (11) and the lower suction gun body (12).
6. The digital display suction gun according to claim 5, wherein one end of the capillary tube is wound on the peripheral side wall of the suction gun capillary tube fixing seat (13).
7. The digital display suction gun according to claim 5, wherein a suction gun passage pipe body (15) is coated on the outer side of a capillary section positioned in the control device.
8. The digital display suction gun according to claim 5, wherein the fixing assembly further comprises a protective anti-skid sleeve (17), the protective anti-skid sleeve (17) is hollow, and the suction gun capillary fixing seat (13), the upper suction gun body (11) and the lower suction gun body (12) are all arranged in the hollow of the protective anti-skid sleeve (17).
9. The digital display suction gun according to claim 5, wherein the fixing assembly further comprises an air guide pipeline cable (9) and a waterproof joint (8) connected to the tail of the downdraft gun body (12), and the air guide pipeline cable (9) is fixed on the downdraft gun body (12) through the waterproof joint (8).
10. The digital display suction gun according to claim 1, wherein the suction gun body further comprises a vibration module (16), and the vibration module (16) is electrically connected with the micro control unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322104736.0U CN220649924U (en) | 2023-08-07 | 2023-08-07 | Digital display suction gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322104736.0U CN220649924U (en) | 2023-08-07 | 2023-08-07 | Digital display suction gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220649924U true CN220649924U (en) | 2024-03-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322104736.0U Active CN220649924U (en) | 2023-08-07 | 2023-08-07 | Digital display suction gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220649924U (en) |
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2023
- 2023-08-07 CN CN202322104736.0U patent/CN220649924U/en active Active
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