CN215726580U - Leakage alarm for sample injection pad - Google Patents
Leakage alarm for sample injection pad Download PDFInfo
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- CN215726580U CN215726580U CN202122121837.XU CN202122121837U CN215726580U CN 215726580 U CN215726580 U CN 215726580U CN 202122121837 U CN202122121837 U CN 202122121837U CN 215726580 U CN215726580 U CN 215726580U
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- alarm
- gas
- sample injection
- main body
- gas leakage
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Abstract
The utility model relates to the technical field of gas leakage alarms, and discloses a sample injection pad gas leakage alarm which comprises an alarm main body, wherein a sensor is arranged on one side of the alarm main body, a connecting plate is arranged at the upper end of the alarm main body, a display screen is arranged at the upper end of the connecting plate, gas leakage valves are arranged on two sides of the upper end of the alarm main body, a connecting pipe is arranged on one side of the alarm main body, and a fixing bolt is arranged at one end of the connecting pipe. According to the alarm instrument, whether carrier gas passes through can be detected through the arranged infrared probe, so that whether the sample injection pad leaks gas or not can be judged, the pressure of the transmission gas in the alarm instrument main body can be accurately detected through the arranged sensor, the gas leakage amount can be accurately known, when too much gas is in the alarm instrument main body, the gas leakage valve is opened, the safety of the device is ensured, all carrier gas passing through the sample injection pad can be counted, the detection data is displayed on the display screen, and a user can visually know the gas leakage condition.
Description
Technical Field
The utility model relates to the technical field of gas leakage alarm instruments, in particular to a gas leakage alarm instrument for a sample injection pad.
Background
The sample injection pad is one of the most commonly used consumables of gas chromatography, and has the main function of separating a system flow path from the outside and providing a channel for injecting a sample, and the sample injection pad should be capable of withstanding a certain temperature without degradation and damage and capable of withstanding multiple punctures of a sample injection needle without leakage, and is generally made of high-temperature-resistant and air-tight silicone rubber.
It is very common to advance the use of kind pad at the large-scale instrument in laboratory at present, advance the gas leakage of kind pad and just change through listening sound or just rely on the experience, the experimenter can not be by the machine often, or when there is little gas leakage, the experimenter can't know, when the experimenter can clearly hear gas leakage, certain influence has been caused to experimental data, at first the experimenter can't judge from when having caused the influence to the experiment, even secondly the experimenter has found the first data that receive the influence, still need to detect again, very waste time. In response to this situation, those skilled in the art have provided a sample pad leak alarm.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a sample injection pad air leakage alarm, which aims to solve the problem that although the sample injection pad is generally used in China at present, the air leakage reminding of the sample injection pad is still deficient, most experimenters listen to the sound, the air leakage of the sample injection pad can generate magnetic sound, and the experiment is influenced when the sound is heard, so that the detected data is influenced.
In order to achieve the purpose, the utility model provides the following technical scheme:
advance kind pad gas leakage alarm, including the alarm main part, alarm main part one side is equipped with the sensor, and alarm main part upper end is equipped with the connecting plate, and the connecting plate upper end is equipped with the display screen, and alarm main part upper end both sides all are equipped with the release valve, and alarm main part one side is equipped with the connecting pipe, and connecting pipe one end is equipped with fixing bolt.
As a still further scheme of the utility model: fixing bolt one end is equipped with the sealed tube, and sealed tube one end is equipped with the hose that admits air, and through the sealed tube that sets up, the leakproofness of this alarm instrument is guaranteed, and through the hose that admits air that sets up, the practicality that promotes the device can place the alarm instrument main part in the optional position.
As a still further scheme of the utility model: the utility model discloses a portable gas detection device, including air inlet hose, gas inlet hose, and gas inlet hose.
As a still further scheme of the utility model: detect first one side and be equipped with the draw-in groove, the draw-in groove is round platform type structure, through the draw-in groove that sets up, can be stable convenient will detect the head and install in advance kind and fill up the upper end.
As a still further scheme of the utility model: one end of the fixing bolt is a cylindrical lug, the other end of the fixing bolt is a thread, and the sealing tube is conveniently connected with the alarm main body through the arranged fixing bolt.
As a still further scheme of the utility model: the sensor includes that pressure detection and carrier gas detect, through the sensor that sets up, not only can the accurate pressure that detects transmission gas in the alarm instrument main part, can accurately know the volume of losing air, also can count all carrier gases through advancing the kind pad.
The utility model has the beneficial effects that:
1. the detection head can be stably and conveniently arranged at the upper end of the sample injection pad through the arranged clamping groove, whether carrier gas passes through the detection head can be detected through the arranged infrared probe, and therefore whether the sample injection pad leaks gas or not is judged, the pressure of transmission gas in the alarm main body can be accurately detected through the arranged sensor, and the gas leakage amount can be accurately known;
2. when the internal gas of alarm main part is too much, the snuffle valve is opened, has guaranteed the security of device, also can make statistics of all carrier gases through advancing the kind pad, will detect data display on the display screen, and the user can directly perceivedly know the gas leakage condition.
Drawings
The utility model will be further described with reference to the accompanying drawings.
FIG. 1 is a perspective view of the whole sample pad leakage alarm;
FIG. 2 is a schematic cross-sectional view of the sensing head of FIG. 1;
fig. 3 is a perspective view of the fixing bolt of fig. 1.
In the figure: 1. an alarm main body; 2. a sensor; 3. a display screen; 4. a connecting plate; 5. a gas release valve; 6. a connecting pipe; 7. fixing the bolt; 8. a sealing tube; 9. an air intake hose; 10. a detection head; 11. a card slot; 12. an infrared probe.
Detailed Description
The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention, and with reference to fig. 1 to 3, the embodiment of the present invention is as follows:
advance kind and fill up gas leakage alarm, including alarm main part 1, alarm main part 1 one side is equipped with sensor 2, and 1 upper end of alarm main part is equipped with connecting plate 4, and 4 upper ends of connecting plate are equipped with display screen 3, and 1 upper end both sides of alarm main part all are equipped with release valve 5, and 1 one side of alarm main part is equipped with connecting pipe 6, and 6 one end of connecting pipe are equipped with fixing bolt 7.
In fig. 1: 7 one ends of fixing bolt are equipped with gland 8, 8 one ends of gland are equipped with air inlet hose 9, gland 8 through setting up, guarantee the leakproofness of this alarm instrument, air inlet hose 9 through setting up, promote the device's practicality, can place alarm instrument main part 1 in the optional position, sensor 2 includes pressure detection and carrier gas detection, sensor 2 through setting up, not only can the accurate pressure that transmits gas in the detection alarm instrument main part 1, can accurately know the amount of losing air, also can make statistics of all carrier gases through advancing the kind pad.
In fig. 1 and 2: 9 one side of air inlet hose is equipped with detects head 10, detects the inside a plurality of infrared probe 12 that are equipped with of head 10, through the infrared probe 12 that sets up, can detect whether there is the carrier gas to pass through to judge and advance kind and fill up whether gas leakage, detect head 10 one side and be equipped with draw-in groove 11, draw-in groove 11 is round platform type structure, through the draw-in groove 11 that sets up, can stabilize convenient will detect head 10 and install in advance kind and fill up the upper end.
In fig. 1 and 3: fixing bolt 7 one end is cylindric lug, and the other end is the screw thread, through fixing bolt 7 who sets up, is convenient for be connected sealed tube 8 and alarm main part 1.
The working principle of the utility model is as follows: the detection head 10 can be stably and conveniently arranged at the upper end of the sample injection pad through the arranged clamping groove 11, the sealing performance of the alarm instrument is ensured through the arranged sealing tube 8, the practicability of the device is improved through the arranged air inlet hose 9, the alarm instrument main body 1 can be placed at any position, the sealing tube 8 is conveniently connected with the alarm instrument main body 1 through the arranged fixing bolt 7, whether carrier gas passes through can be detected through the arranged infrared probe 12, so that whether the sample injection pad leaks air or not can be judged, the pressure of transmission gas in the alarm instrument main body 1 can be accurately detected through the arranged sensor 2, the air leakage amount can be accurately known, when too much gas is in the alarm instrument main body 1, the air leakage valve 5 is opened, the safety of the device is ensured, all carrier gas passing through the sample injection pad can be counted, and detection data are displayed on the display screen 3, the user can directly understand the air leakage condition.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to or changed within the scope of the present invention.
Claims (6)
1. Advance kind and fill up gas leakage alarm instrument, including alarm instrument main part (1), its characterized in that, alarm instrument main part (1) one side is equipped with sensor (2), and alarm instrument main part (1) upper end is equipped with connecting plate (4), and connecting plate (4) upper end is equipped with display screen (3), and alarm instrument main part (1) upper end both sides all are equipped with snuffle valve (5), and alarm instrument main part (1) one side is equipped with connecting pipe (6), and connecting pipe (6) one end is equipped with fixing bolt (7).
2. The sample injection cushion gas leakage alarm instrument according to claim 1, wherein one end of the fixing bolt (7) is provided with a sealing tube (8), and one end of the sealing tube (8) is provided with an air inlet hose (9).
3. The sample injection cushion air leakage alarm instrument according to claim 2, wherein a detection head (10) is arranged on one side of the air inlet hose (9), and a plurality of infrared probes (12) are arranged inside the detection head (10).
4. The sample injection pad air leakage alarm instrument according to claim 3, wherein a clamping groove (11) is formed in one side of the detection head (10), and the clamping groove (11) is of a circular truncated cone structure.
5. The sample injection cushion gas leakage alarm instrument according to claim 1, wherein one end of the fixing bolt (7) is a cylindrical bump, and the other end is a thread.
6. The sample pad gas leakage alarm according to claim 1, wherein the sensor (2) comprises a pressure detection and a carrier gas detection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122121837.XU CN215726580U (en) | 2021-09-03 | 2021-09-03 | Leakage alarm for sample injection pad |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122121837.XU CN215726580U (en) | 2021-09-03 | 2021-09-03 | Leakage alarm for sample injection pad |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215726580U true CN215726580U (en) | 2022-02-01 |
Family
ID=80014340
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122121837.XU Active CN215726580U (en) | 2021-09-03 | 2021-09-03 | Leakage alarm for sample injection pad |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215726580U (en) |
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2021
- 2021-09-03 CN CN202122121837.XU patent/CN215726580U/en active Active
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