CN210346999U - Hand-held SF6Leakage detector - Google Patents
Hand-held SF6Leakage detector Download PDFInfo
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- CN210346999U CN210346999U CN201921274136.6U CN201921274136U CN210346999U CN 210346999 U CN210346999 U CN 210346999U CN 201921274136 U CN201921274136 U CN 201921274136U CN 210346999 U CN210346999 U CN 210346999U
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Abstract
The utility model discloses a hand-held type SF6The leakage detector comprises a gas sampling tube and a shell, wherein an ionization chamber, a circuit control panel and an alarm device are arranged in the shell; the gas sampling pipe is fixedly connected with the shell and communicated with the ionization chamber, and an air inlet device for enabling sampling gas to enter is mounted in the gas sampling pipe; an ionization device for ionizing halogen gas in the sampling gas and a signal acquisition device for acquiring analog voltage signals generated by ionization of the halogen gas are arranged in the ionization chamber, and exhaust gas is arranged on the shellA port, the ionization chamber in communication with an exhaust port; the circuit control board is respectively communicated with the signal acquisition device and the alarm device and is suitable for controlling the action of the alarm device according to the analog voltage signal fed back by the signal acquisition device. The utility model discloses can measure the SF among the electrical equipment very conveniently at the scene6And if the gas leaks, the use is convenient.
Description
Technical Field
The utility model relates to a hand-held type SF6Leakage detector.
Background
For SF in electrical equipment6The detection of whether leakage is necessary or not is necessary, but most of the existing detection devices are large in size,is not beneficial to field use.
Disclosure of Invention
The utility model aims to solve the technical problem that the defect of prior art is overcome, a hand-held type SF is provided6Leakage detector capable of conveniently measuring SF in electric equipment on site6And if the gas leaks, the use is convenient.
In order to solve the technical problem, the technical scheme of the utility model is that: hand-held type SF6The leakage detector comprises a gas sampling tube and a shell, wherein an ionization chamber, a circuit control panel and an alarm device are arranged in the shell; wherein the content of the first and second substances,
the gas sampling pipe is fixedly connected with the shell and communicated with the ionization chamber, and an air inlet device for enabling sampling gas to enter is arranged in the gas sampling pipe;
an ionization device for ionizing halogen gas in the sampling gas and a signal acquisition device for acquiring analog voltage signals generated by ionization of the halogen gas are arranged in the ionization chamber, an exhaust port is arranged on the shell, and the ionization chamber is communicated with the exhaust port;
the circuit control board is respectively communicated with the signal acquisition device and the alarm device and is suitable for controlling the action of the alarm device according to the analog voltage signal fed back by the signal acquisition device.
The specific structure of the ionization device is further provided, and the ionization device comprises an anode, a cathode and an alternating current power supply, wherein the alternating current power supply is electrically connected with the anode and the cathode.
Further provides a specific structure of the signal acquisition device, and the signal acquisition device comprises an inductance coil.
The air inlet device comprises a motor and an air exhaust impeller, wherein the motor is connected with the air exhaust impeller to drive the air exhaust impeller to rotate so as to exhaust the sampling gas into the gas sampling pipe.
Further to facilitate operator awareness of SF6Degree of leakage, hand-held SF6The leakage detector also comprises a display device fixed on the shellThe circuit control board is in signal connection with the display device, the circuit control board is further suitable for processing the received analog voltage signal to obtain the halogen concentration and sending the halogen concentration to the display device, and the display device is suitable for displaying the received halogen concentration.
Further, the alarm device is an audible and visual alarm device.
Further, in order to enable the gas sampling pipe to be capable of being bent and deformed, the handheld SF is added6The applicable environment and the convenience of use of leak detector, gas sampling pipe is the hose.
Further to facilitate handheld SF6The leakage detector is characterized in that a handle is mounted on the shell, and the handle and the shell jointly form a gun shape.
Further in order to prevent large impurities from being mixed in the gas sampling pipe and the ionization chamber, a filter screen for filtering the sampling gas entering the gas sampling pipe is mounted at the head of the gas sampling pipe.
After having adopted above-mentioned technical scheme, sampling gas gets into the ionization chamber through gas sampling pipe under air inlet unit's effect in, halogen gas in the sampling gas who gets into the ionization chamber is by the ionization device ionization, and the produced analog voltage signal of halogen gas ionization is gathered to signal acquisition device simultaneously, and send to circuit control board, and halogen content in the sampling gas in the ionization chamber is higher, and the produced analog voltage signal of ionization is also higher, and circuit control board is according to the analog voltage signal control alarm device action of its receipt, the utility model discloses can detect the SF among the electrical equipment well6Whether gas leaks or not, and the gas leakage measuring device is simple in structure, small and exquisite, convenient to hold by hand, beneficial to field use and convenient to measure.
Drawings
FIG. 1 shows a hand-held SF according to the present invention6The structure schematic diagram of the leakage detector.
Detailed Description
In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is provided in connection with the accompanying drawings.
As shown in fig. 1, a hand-held SF6The leakage detector comprises a gas sampling tube 1 and a shell 2, wherein an ionization chamber 3, a circuit control panel 4 and an alarm device 5 are arranged in the shell 2; wherein the content of the first and second substances,
the gas sampling pipe 1 is fixedly connected with the shell 2 and communicated with the ionization chamber 3, and an air inlet device for enabling sampling gas to enter is installed in the gas sampling pipe 1;
an ionization device for ionizing halogen gas in the sampling gas and a signal acquisition device for acquiring analog voltage signals generated by ionization of the halogen gas are arranged in the ionization chamber 3, an exhaust port is arranged on the shell 2, and the ionization chamber 3 is communicated with the exhaust port;
the circuit control board 4 is respectively communicated with the signal acquisition device and the alarm device 5 and is suitable for controlling the action of the alarm device 5 according to the analog voltage signal fed back by the signal acquisition device. Specifically, the higher the halogen content in the sample gas in the ionization chamber 3, the higher the analog voltage signal generated by ionization. In this embodiment, the ionization device includes an anode, a cathode, and an ac power source electrically connected to the anode and the cathode. The signal acquisition device comprises an inductance coil. The alarm device 5 is a sound and light alarm device.
As shown in fig. 1, the gas inlet device comprises a motor 61 and a suction impeller 62, wherein the motor 61 is connected with the suction impeller 62 to drive the suction impeller 62 to rotate so as to suck the sampling gas into the gas sampling tube 1. In this embodiment, the body of the motor 61 is fixed to the inner wall of the gas sampling tube 1.
As shown in FIG. 1, SF is known to the operator for convenience6Degree of leakage, hand-held SF6The leakage detector also comprises a display device 7 fixed on the shell 2, the circuit control board 4 is in signal connection with the display device 7, the circuit control board 4 is also suitable for processing the received analog voltage signal to obtain the halogen concentration and sending the halogen concentration to the display device 7, and the display device 7 is suitable for displaying the received halogen concentration.
As shown in FIG. 1, in order to make the gas sampling tube 1 bendable and deformable, a handheld SF is added6The applicable environment and the convenience of use of leak detector, gas sampling pipe 1 is the hose.
As shown in fig. 1, to facilitate hand-holding the hand-held SF6The leakage detector, install handle 8 on the casing 2, handle 8 constitutes the rifle form with casing 2 jointly.
As shown in fig. 1, in order to prevent large impurities from being mixed in the gas sampling tube 1 and the ionization chamber 3, a filter screen 9 for filtering the sampling gas introduced into the gas sampling tube 1 is installed at the head thereof.
The working principle of the utility model is as follows:
sampling gas gets into ionization chamber 3 through gas sampling pipe 1 under air inlet unit's effect in, halogen gas in the sampling gas who gets into in ionization chamber 3 is by ionization device ionization, and the produced analog voltage signal of halogen gas ionization is gathered to signal acquisition device simultaneously, and send to circuit control board 4, and halogen content in the sampling gas in ionization chamber 3 is higher, and the produced analog voltage signal of ionization is also higher, and circuit control board 4 moves according to its analog voltage signal control alarm device 5 that receives, the utility model discloses can detect SF among the electrical equipment well, the device is protected to the gas6Whether gas leaks or not, and the gas leakage measuring device is simple in structure, small and exquisite, convenient to hold by hand, beneficial to field use and convenient to measure.
The above-mentioned embodiments further explain in detail the technical problems, technical solutions and advantages solved by the present invention, and it should be understood that the above only is a specific embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
In the description of the present invention, it is to be understood that the terms indicating orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the equipment or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the present disclosure, unless otherwise expressly stated or limited, the first feature may comprise both the first and second features directly contacting each other, and also may comprise the first and second features not being directly contacting each other but being in contact with each other by means of further features between them. Also, the first feature being above, on or above the second feature includes the first feature being directly above and obliquely above the second feature, or merely means that the first feature is at a higher level than the second feature. A first feature that underlies, and underlies a second feature includes a first feature that is directly under and obliquely under a second feature, or simply means that the first feature is at a lesser level than the second feature.
Claims (9)
1. Hand-held type SF6The leakage detector is characterized by comprising a gas sampling pipe (1) and a shell (2), wherein an ionization chamber (3), a circuit control panel (4) and an alarm device (5) are arranged in the shell (2); wherein the content of the first and second substances,
the gas sampling pipe (1) is fixedly connected with the shell (2) and is communicated with the ionization chamber (3), and an air inlet device for enabling sampling gas to enter is installed in the gas sampling pipe (1);
an ionization device for ionizing halogen gas in the sampling gas and a signal acquisition device for acquiring analog voltage signals generated by ionization of the halogen gas are arranged in the ionization chamber (3), an exhaust port is arranged on the shell (2), and the ionization chamber (3) is communicated with the exhaust port;
the circuit control board (4) is respectively communicated with the signal acquisition device and the alarm device (5) and is suitable for controlling the action of the alarm device (5) according to the analog voltage signal fed back by the signal acquisition device.
2. Hand-held SF according to claim 16The leakage detector is characterized in that the ionization device comprises an anode, a cathode and an alternating current power supply, and the alternating current power supply is electrically connected with the anode and the cathode.
3. Hand-held SF according to claim 16The leakage detector is characterized in that the signal acquisition device comprises an inductance coil.
4. Hand-held SF according to claim 16The leakage detector is characterized in that the air inlet device comprises a motor (61) and an air exhaust impeller (62), wherein the motor (61) is connected with the air exhaust impeller (62) to drive the air exhaust impeller (62) to rotate so as to exhaust the sampling gas into the gas sampling pipe (1).
5. Hand-held SF according to claim 16The leakage detector is characterized by further comprising a display device (7) fixed to the shell (2), the circuit control board (4) is in signal connection with the display device (7), the circuit control board (4) is further suitable for processing the received analog voltage signals to obtain halogen concentration, and sending the halogen concentration to the display device (7), and the display device (7) is suitable for displaying the received halogen concentration.
6. Hand-held SF according to claim 16The leakage detector is characterized in that the alarm device (5) is an acousto-optic alarm device.
7. Hand-held SF according to claim 16The leakage detector is characterized in that the gas sampling pipe (1) is a hose.
8. Hand-held SF according to claim 16The leakage detector is characterized in that a handle (8) is mounted on the shell (2), and the handle (8) and the shell (2) jointly form a gun shape.
9. Hand-held SF according to claim 16The leakage detector is characterized in that a filter screen (9) for filtering the sampling gas entering the gas sampling pipe (1) is mounted at the head of the gas sampling pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921274136.6U CN210346999U (en) | 2019-08-07 | 2019-08-07 | Hand-held SF6Leakage detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921274136.6U CN210346999U (en) | 2019-08-07 | 2019-08-07 | Hand-held SF6Leakage detector |
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| CN210346999U true CN210346999U (en) | 2020-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921274136.6U Active CN210346999U (en) | 2019-08-07 | 2019-08-07 | Hand-held SF6Leakage detector |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113433269A (en) * | 2021-06-24 | 2021-09-24 | 淄博祥龙测控技术有限公司 | Goaf gas detection method and device |
-
2019
- 2019-08-07 CN CN201921274136.6U patent/CN210346999U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113433269A (en) * | 2021-06-24 | 2021-09-24 | 淄博祥龙测控技术有限公司 | Goaf gas detection method and device |
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