CN210665678U

CN210665678U - Comprehensive tester

Info

Publication number: CN210665678U
Application number: CN201921456312.8U
Authority: CN
Inventors: 袁小强
Original assignee: Changzhou Saige Electronic Instrument Co Ltd
Current assignee: Changzhou Saige Electronic Instrument Co Ltd
Priority date: 2019-09-03
Filing date: 2019-09-03
Publication date: 2020-06-02
Anticipated expiration: 2029-09-03

Abstract

The utility model discloses a comprehensive tester, it includes casing, SF₆The gas pipeline, the sensor group, the control circuit board and the display module; wherein, the shell is provided with an air inlet and an air outlet; the SF₆The gas pipeline is positioned in the shell, the SF₆The inlet of the gas pipeline is communicated with the gas inlet, and the SF₆The outlet of the gas pipeline is communicated with the exhaust port; the sensor group comprises a dew point sensor and an SF₆Purity sensor, H₂S sensor, CO sensor, HF sensor, and SO₂A sensor; the control circuit board is respectively connected with the dew point sensor and the SF₆Purity sensor, H₂S sensor, CO sensor, HF sensorSensors and SO₂The sensor is connected with the display module, and can simultaneously measure SF₆Dew point value, purity value and decomposition product SO of gas₂、H₂S, HF and CO content and shown.

Description

Comprehensive tester

Technical Field

The utility model relates to a comprehensive tester.

Background

SF₆The gas is an excellent insulating medium and arc extinguishing medium, and is widely applied to various electrical equipment, so that SF (sulfur hexafluoride) is used for₆The gas exerts its advantages better and more stably, and needs to be measured for SF regularly₆Dew point value, purity value and SF of gas₆Whether decomposition occurs, at present, toSF₆Each measurement of gas requires a special test instrument, and SF is sequentially measured by multiple test instruments₆The gas is measured, which is troublesome and affects the testing efficiency, and SF is obtained in the process of multiple measurements₆The gas also risks leakage.

Disclosure of Invention

The utility model aims to solve the technical problem that overcome prior art's defect, provide a comprehensive tester, it can simultaneous measurement SF₆Dew point value, purity value and decomposition product SO of gas₂、H₂S, HF and CO content, and is convenient and trouble-saving, and improves the testing efficiency.

In order to solve the technical problem, the technical scheme of the utility model is that: a comprehensive tester comprises a shell and SF₆The gas pipeline, the sensor group, the control circuit board and the display module; wherein the content of the first and second substances,

the shell is provided with an air inlet and an air outlet;

the SF₆The gas pipeline is positioned in the shell, the SF₆The inlet of the gas pipeline is communicated with the gas inlet, and the SF₆The outlet of the gas pipeline is communicated with the exhaust port;

the sensor group comprises a sensor adapted to measure SF₆SF in gas lines₆Dew point sensor for gas dew point values, suitable for measuring SF₆SF in gas lines₆SF of gas purity value₆Purity sensor, adapted to measure SF₆H in gas pipeline₂H of S content₂S sensor, adapted to measure SF₆CO sensor for measuring the CO content in a gas line, suitable for measuring SF₆HF sensor for measuring HF content in gas line and method for measuring SF using the same₆SO in gas pipeline₂Content of SO₂A sensor;

the control circuit board is respectively connected with the dew point sensor and the SF₆Purity sensor, H₂S sensor, CO sensor, HF sensor, SO₂The sensor is connected with the display module and is suitable for receiving the dew point value, the purity value and the H₂S content, CO content, HFContent, SO₂And the content is sent to a display module for display.

Further to facilitate dew point sensing, SF₆Purity sensor, H₂S sensor, CO sensor, HF sensor, and SO₂The sensor is fixed, and the comprehensive tester also comprises an SF connected in series₆Gas chambers or at least two gas chambers in gas line connected in series in sequence at SF₆Air chamber in the gas pipeline, the air chamber is fixed in the casing, dew point sensor, SF₆Purity sensor, H₂S sensor, CO sensor, HF sensor, and SO₂The sensors are respectively arranged in the air chambers.

Further, the air chambers are provided with three air chambers self SF₆The import to the export of gas line is first air chamber, second air chamber and third air chamber in proper order, dew point sensor installs in first air chamber, SF₆A purity sensor is mounted on one of the second and third gas chambers, H₂S sensor, CO sensor, HF sensor, and SO₂The sensors are mounted on one another.

Further, the dew point value, the purity value and the H received by the circuit board are convenient to control₂S、CO、HF、SO₂The comprehensive tester also comprises a USB interface in signal connection with the control circuit board.

Further to facilitate measurement of SF₆The integrated tester also comprises a flowmeter which is suitable for measuring the gas flow in the SF6 gas pipeline.

Further, in order to conveniently supply power to each sensor, the comprehensive tester also comprises a power supply device which is electrically connected with the sensor group and is suitable for supplying power to the sensor group.

Furthermore, the power supply device comprises a lithium battery and a direct current power supply module group, the voltage input end of the direct current power supply module group is connected with the lithium battery, and the voltage output end of the direct current power supply module group is connected with the sensor group.

Further in order to charge the lithium battery, the comprehensive tester also comprises a charging device, wherein the charging device comprises a transformer and an alternating current and direct current conversion module, the transformer is used for being connected with an external 220V power supply and converting 220V alternating current into 12V alternating current, and the alternating current and direct current conversion module is connected between the transformer and the lithium battery and used for converting the 12V alternating current into 12V direct current to charge the lithium battery.

Further in order to conveniently carry the whole comprehensive tester, a lifting handle is arranged on the shell.

After the technical scheme is adopted, the SF to be measured₆Gas enters SF through the gas inlet₆In gas pipelines, dew point sensors measure SF₆SF in gas lines₆Gas dew point value, SF₆Purity sensor for measuring SF₆SF in gas lines₆Value of gas purity H₂S sensor measuring SF₆H in gas lines₂S content, HF sensor measurement SF₆HF content in gas pipeline, CO sensor measuring SF₆CO content, SO content in gas lines₂Sensor measuring SF₆SO2 content in the gas pipeline, and the control circuit board for receiving dew point value, purity value and H₂S content, CO content, HF content, SO content₂The content is sent to the display module to be displayed, the utility model discloses can measure the gaseous dew point value of SF6, the pure value and the decomposition thing SO thereof simultaneously₂、H₂S, HF and CO, the trouble of measuring for many times is avoided, the operation is convenient and trouble-saving, the testing efficiency is improved, and the cost of the testing instrument is saved; the SF of the utility model₆The gas pipeline is connected with a gas chamber, a dew point sensor and SF in series₆Purity sensor, H₂S sensor, HF sensor, CO sensor, and SO₂The air chambers are respectively arranged on the sensors and fixed in the shell, so that the sensors can be conveniently arranged and fixed, the stable work of the sensors can be guaranteed, and SF can be prevented₆Gas leakage; the utility model discloses information still possesses power supply unit, also can be through the lithium cell power supply under the condition of not external power supply, guarantees each sensor operating voltage's stability through DC power supply module group, makes the utility model discloses an adaptability is stronger, has broken away from at the during operation to external power sourceCan also do through external power source the utility model discloses a lithium cell charges, it is comparatively convenient.

Drawings

Fig. 1 is a schematic structural diagram of the comprehensive tester of the present invention.

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 figure 1, the comprehensive tester comprises a shell 1 and SF₆The device comprises a gas pipeline 2, a sensor group, a control circuit board 4 and a display module 5; wherein the content of the first and second substances,

the shell 1 is provided with an air inlet 11 and an air outlet 12;

the SF₆The gas line 2 is located in the housing 1, SF₆The inlet of the gas pipeline 2 is communicated with the gas inlet 11, and the SF₆The outlet of the gas pipeline 2 is communicated with the exhaust port 12;

the sensor group comprises a sensor adapted to measure SF₆SF in gas line 2₆ Dew point sensor 31 for gas dew point values, adapted to measure SF₆SF in gas line 2₆SF of gas purity value₆Purity sensor 32, adapted to measure SF₆H in the gas line 2₂H of S content₂S sensor 33, adapted to measure SF₆ CO sensor 34 for CO content in gas line 2, adapted to measure SF₆ HF sensor 35 for HF content in gas line 2 and suitable for measuring SF₆SO in the gas line 2₂Content of SO₂A sensor 36;

the control circuit board 4 is respectively connected with the dew point sensor 31 and the SF₆ Purity sensor 32, H₂S sensor 33, CO sensor 34, HF sensor 35, SO₂The sensor 36 is connected to the display module 5 and is adapted to receive the dew point value, the purity value and the H value₂S content, CO content, HF content, SO content₂The content is sent to the display module 5 for display.

In the present embodiment, each sensor is a prior art sensor, and the selection of each sensor model is well known to those skilled in the art, and will not be described in the present application.

In particular, the SF to be measured₆Gas enters SF through gas inlet 11₆In the gas line 2, a dew point sensor 31 measures SF₆SF in gas line 2₆Gas dew point value, SF₆ Purity sensor 32 measures SF₆SF in gas line 2₆Value of gas purity H₂S sensor 33 measures SF₆H in the gas line 2₂S content, HF sensor 35 measures SF₆HF content in the gas line 2, CO sensor 34 measures SF₆CO content, SO content in the gas line 2₂ Sensor 36 measures SF₆SO2 content in the gas pipeline 2, and the control circuit board 4 receives dew point value, purity value and H₂S content, CO content, HF content, SO content₂The content is sent to the display module 5 for display, the utility model discloses can measure the gaseous dew point value of SF6, the pure value and decomposition thing SO thereof simultaneously₂、H₂S, HF and CO, thereby avoiding the trouble of measuring for many times, being convenient and trouble-saving, improving the testing efficiency and saving the cost of the testing instrument.

As shown in FIG. 1, SF is convenient for dew point sensing₆Purity sensor 32, H₂S sensor 33, CO sensor 34, HF sensor 35, and SO₂The sensor 36 is fixed, and the integrated tester further comprises an SF connected in series₆Gas chambers or at least two gas chambers in gas line 2 connected in series in sequence to SF₆A gas chamber in the gas line 2, said gas chamber being fixed in the housing, a dew point sensor 31, SF₆ Purity sensor 32, H₂S sensor 33, CO sensor 34, HF sensor 35, and SO₂The sensors 36 are respectively installed at the air cells.

Specifically, the utility model discloses a SF₆A gas chamber, a dew point sensor 31 and an SF are connected in series on the gas pipeline 2₆ Purity sensor 32, H₂S sensor 33, HF sensor 35, CO sensor 34, and SO₂The sensors 36 are respectively provided with air chambers which are fixed in the housing 1, thereby facilitating the installation and fixation of each sensorThe stable operation of each sensor is ensured, and SF can be prevented₆The gas leaks.

As shown in FIG. 1, the gas chamber is provided with three gas chambers, namely three gas chambers self SF₆The inlet to the outlet of the gas pipeline 2 is sequentially a first gas chamber 61, a second gas chamber 62 and a third gas chamber 63, the dew point sensor 31 is arranged in the first gas chamber 61, and the SF is₆The purity sensor 32 is mounted on one of the second and

third gas chambers

62 and 63, the H₂S sensor 33, CO sensor 34, HF sensor 35, and SO₂The sensor 36 is mounted on the other.

Specifically, the dew point sensor 31 is installed in the first air chamber 61, and the first air chamber 61 is close to the inlet of the SF6 gas pipeline 2, so that the SF can be reduced as much as possible₆The influence of the gas line 2 and the gas chambers on the dew point measurement. The contacts of the dew point sensor 31 are sealed in a first air chamber 61, the SF₆The contacts of the purity sensor are sealed in a second gas chamber 62, said H₂Contact of S sensor 33, contact of CO sensor 34, contact of HF sensor 35, and SO₂The contacts of the sensor 36 are sealed within the third air chambers 63, respectively.

As shown in fig. 1, the dew point value, the purity value and the H value received by the control circuit board 4 are convenient for the control circuit board 4 to receive₂S、CO、HF、SO₂The measurement result is sent out, and the comprehensive tester also comprises a USB interface 7 in signal connection with the control circuit board 4.

As shown in FIG. 1, SF is measured for convenience₆The gas flow in the gas line 2, the integrated tester further comprising a flow meter 8 adapted to measure the gas flow in said SF6 gas line 2.

As shown in fig. 1, the comprehensive tester further includes a power supply device electrically connected to the sensor group and adapted to supply power to the sensor group.

As shown in fig. 1, in order to conveniently supply power to each sensor, the power supply device includes a lithium battery 91 and a dc power supply module group 92, a voltage input end of the dc power supply module group 92 is connected to the lithium battery 91, and a voltage output end of the dc power supply module group 92 is connected to the sensor group.

Specifically, the dc power module set 92 includes a plurality of dc power modules, and the corresponding sensors are electrically connected to the corresponding dc power modules. The dc power supply modules perform voltage conversion and voltage stabilization, and each dc power supply module is configured to convert the voltage output by the lithium battery 91 into the voltage required by the sensor connected thereto.

As shown in fig. 1, in order to charge the lithium battery 91, the comprehensive tester further includes a charging device, the charging device includes a transformer 93 and an ac-dc conversion module 94, the transformer 93 is used for connecting with an external 220V power supply and converting 220V ac power into 12V ac power, and the ac-dc conversion module 94 is connected between the transformer 93 and the lithium battery 91 and is used for converting 12V ac power into 12V dc power to charge the lithium battery 91.

Specifically, the utility model discloses information still possesses power supply unit, also can supply power through lithium cell 91 under the condition of not external power supply, guarantees each sensor operating voltage's stability through DC power supply module group 92, makes the utility model discloses a suitability is stronger, has broken away from the reliance to external power supply at the during operation, can also do through external power supply the utility model discloses a lithium cell 91 charges, and is comparatively convenient.

As shown in fig. 1, in order to conveniently carry the whole comprehensive tester, a handle is installed on the housing 1.

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

1. The comprehensive tester is characterized by comprising a shell (1) and SF₆The device comprises a gas pipeline (2), a sensor group, a control circuit board (4) and a display module (5); wherein the content of the first and second substances,

the shell (1) is provided with an air inlet (11) and an air outlet (12);

the SF₆The gas pipeline (2) is positioned in the shell (1), and the SF₆The inlet of the gas pipeline (2) is communicated with the gas inlet (11), and the SF₆The outlet of the gas pipeline (2) is communicated with the exhaust port (12);

the sensor group comprises a sensor adapted to measure SF₆SF in the gas line (2)₆Dew point sensor (31) for gas dew point values, adapted to measure SF₆SF in the gas line (2)₆SF of gas purity value₆Purity sensor (32) adapted to measure SF₆H in the gas line (2)₂H of S content₂S-sensor (33) adapted to measure SF₆CO sensor (34) for measuring the CO content in a gas line (2), suitable for measuring SF₆HF sensor (35) for the HF content in a gas line (2) and a device suitable for measuring SF₆SO in the gas line (2)₂Content of SO₂A sensor (36);

the control circuit board (4) is respectively connected with the dew point sensor (31) and the SF₆Purity sensor (32), H₂An S sensor (33), a CO sensor (34), an HF sensor (35), and an SO₂The sensor (36) is connected with the display module (5) and is suitable for receiving a dew point value, a purity value and H₂S content, CO content, HF content, SO content₂And the content is sent to a display module (5) for display.

2. The integrated tester of claim 1, further comprising an SF in series₆Gas chambers or at least two gas chambers in the gas line (2) are connected in series in sequence at SF₆A gas chamber in the gas line (2), said gas chamber being fixed in the housing, a dew point sensor (31), SF₆Purity sensor (32), H₂An S sensor (33), a CO sensor (34), an HF sensor (35), and an SO₂The sensors (36) are respectively mounted to the air chambers.

3. The integrated tester of claim 2, wherein the gas cell is provided with three, three gas cells from SF₆The import to the export of gas line (2) is first air chamber (61), second air chamber (62) and third air chamber (63) in proper order, dew point sensor (31) are installed in first air chamber (61), SF₆A purity sensor (32) is mounted on one of the second gas chamber (62) and the third gas chamber (63), the H₂An S sensor (33), a CO sensor (34), an HF sensor (35), and an SO₂The sensors (36) are mounted on one another.

4. The integrated tester of claim 1, further comprising a USB interface (7) in signal connection with the control circuit board (4).

5. The integrated tester of claim 1, further comprising a flow meter (8) adapted to measure the gas flow in the SF6 gas line (2).

6. The integrated tester of claim 1, further comprising a power supply device electrically connected to the sensor group and adapted to supply power to the sensor group.

7. The integrated tester of claim 6, wherein the power supply device comprises a lithium battery (91) and a DC power module set (92), a voltage input terminal of the DC power module set (92) is connected with the lithium battery (91), and a voltage output terminal of the DC power module set (92) is connected with the sensor set.

8. The integrated tester of claim 7, further comprising a charging device, the charging device comprising a transformer (93) and an ac-dc conversion module (94), the transformer (93) being adapted to be connected to an external 220V power supply and adapted to convert 220V ac power to 12V ac power, the ac-dc conversion module (94) being connected between the transformer (93) and the lithium battery (91) and adapted to convert 12V ac power to 12V dc power for charging the lithium battery (91).

9. The integrated tester of claim 1, wherein a handle is mounted on the housing (1).