CN212180999U

CN212180999U - SF6 gas density relay calibrator with recovery unit

Info

Publication number: CN212180999U
Application number: CN202020592393.0U
Authority: CN
Inventors: 臧志忠; 董方
Original assignee: Changzhou Jiezhuo Intelligent Technology Co ltd
Current assignee: Changzhou Jiezhuo Intelligent Technology Co ltd
Priority date: 2020-04-20
Filing date: 2020-04-20
Publication date: 2020-12-18
Anticipated expiration: 2030-04-20

Abstract

The utility model discloses a SF6 gas density relay calibrator with recovery unit, including organism, gas outlet and box body one, the middle part of one side of the upper end of the organism is embedded with a pressure gauge, one side of the pressure gauge is provided with a signal port, one side of the signal port far away from the pressure gauge is provided with a detection port, one side of the pressure gauge far away from the signal port is provided with an air inlet, one side of the air inlet far away from the pressure gauge is provided with the gas outlet, a joint is arranged in the gas outlet, the upper end of the joint is provided with a first; the utility model discloses a design of aspiration pump, two and the three isotructures of connecting pipe makes equipment have carried out the inspection work back to gas density relay, and the accessible aspiration pump is taken the initiative to the gas in connecting pipe one, box body two and the connecting pipe two and is extracted to prevent that there is gaseous remaining, very practicality in connecting pipe one, box body two, connecting pipe two and the gas density relay check gauge.

Description

SF6 gas density relay calibrator with recovery unit

Technical Field

The utility model relates to a gas density relay check gauge technical field, more specifically say, it relates to the SF6 gas density relay check gauge of taking recovery unit.

Background

A gas density relay calibrator (hereinafter referred to as calibrator) is an intelligent SF6 gas density relay calibrator. The check meter adopts an embedded microprocessor, can carry out performance check on various SF6 gas density relays, and can carry out standard conversion on pressure of SF6 gas at any ambient temperature, and is mainly used for production, maintenance and monitoring of SF6 gas products. The system is particularly suitable for a power system and provides convenience for production, safe operation, pre-test and maintenance of SF6 electrical products.

The existing SF6 gas density relay check meter with the recovery device lacks active air suction measures, and is easy to recover gases incompletely when the recovery work is carried out, and the recovery filtering part of the existing SF6 gas density relay check meter with the recovery device is inconvenient to disassemble and maintain.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a take recovery unit's SF6 gas density relay check gauge has solved current SF6 gas density relay check gauge of taking recovery unit and has lacked the initiative measure of bleeding, when carrying out the recovery work, retrieves gaseous incomplete problem easily.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the SF6 gas density relay calibrator with a recovery device comprises a calibrator body, a gas outlet and a first box body, wherein a pressure gauge is embedded in the middle of one side of the upper end of the calibrator body, a signal port is formed in one side of the pressure gauge, a detection port is formed in the side, away from the pressure gauge, of the signal port, a gas inlet is formed in the side, away from the signal port, of the pressure gauge, a gas outlet is formed in the side, away from the pressure gauge, of the gas inlet, a joint is arranged in the gas outlet, a first connecting pipe is arranged at the upper end of the joint, the end, away from the joint, of the first connecting pipe is provided with the first box body, a second box body is arranged at the end, away from the first connecting pipe, of the first box body is provided with a second connecting pipe in, and a third connecting pipe is arranged at one end, far away from the second connecting pipe, of the air pump, and a recovery bottle is arranged at one end, far away from the third connecting pipe, of the air pump.

Further, the signal port and the detection port are embedded in the upper end of the machine body, the air inlet and the air outlet are embedded in the upper end of the machine body, and the lower end of the joint is connected with the air outlet through threads.

By adopting the technical scheme, the air inlet is used for being connected with a gas source for testing, and the detection port and the signal port are used for being connected with a gas density relay to be detected.

Further, the upper end of the joint is connected with the first connecting pipe in a threaded manner, the first connecting pipe is connected with the first box body in a threaded manner, the first box body is connected with the second box body in a threaded manner, and the filter screen is connected with the first box body and the second box body in a clamping and pressing manner.

Through adopting above-mentioned technical scheme, box body one pass through connecting pipe one with the joint is connected, connecting pipe one is the hose, box body one with box body two has good sealed effect after the closure, box body one can with box body two are convenient carry out the split, so that make box body one with inside the box body two and the filter screen can be maintained by convenient clearance.

Furthermore, the output end of the second connecting pipe and the output end of the second box body and the one-way valve are both in threaded connection, the input end of the air pump is connected with the second connecting pipe through a flange, the output end of the air pump is connected with the third connecting pipe through a flange, and the third connecting pipe is connected with the upper end of the recovery bottle through a flange.

By adopting the technical scheme, the third connecting pipe is a hose, the direction of the one-way valve from the second connecting pipe to the air pump is the direction of the one-way valve, and the air pump can pump the gas in the second connecting pipe when in work and then convey the gas into the recovery bottle through the third connecting pipe.

Furthermore, a protective cover is connected to one side wall of the machine body through a hinge, the detection port is far away from one side of the signal port and is provided with an object placing groove formed in one side of the upper end of the machine body, and the other side of the detection port is provided with a display screen embedded in the upper end of the machine body.

By adopting the technical scheme, the protecting cover covers the body and then can protect the upper end of the body, and objects such as detection joints can be contained in the storage groove.

Furthermore, an operation panel embedded in the upper end of the machine body is arranged on one side, away from the detection port, of the display screen, a printer connected with the machine body through a clamping groove is arranged at a position, close to the air inlet, of the other side of the display screen, and a power supply interface embedded in the upper end of the machine body is arranged on one side, away from the air inlet, of the printer.

By adopting the technical scheme, the operation panel can control the gas density relay check meter, the printer can be detached from the machine body, and the check data result of the gas density relay check meter can be printed out through the printer.

To sum up, the utility model discloses following beneficial effect has:

the utility model discloses a design of aspiration pump, two and the three isotructures of connecting pipe makes equipment have carried out the inspection work back to gas density relay, and the accessible aspiration pump is taken the initiative to the gas in connecting pipe one, box body two and the connecting pipe two and is extracted to prevent that there is gaseous remaining, very practicality in connecting pipe one, box body two, connecting pipe two and the gas density relay check gauge. The design scheme effectively solves the problems that the existing SF6 gas density relay calibrator with a recovery device lacks active air extraction measures and is easy to recover gas incompletely when recovery work is carried out; and through the design of box body one, box body two and filter screen isotructure, make the recovery filtering part of equipment can by convenient dismantlement to make box body one and the inside and the filter screen of box body two can be maintained by the clearance, it is very convenient. The problem of inconvenient, maintain inconvenient is dismantled to the effectual recovery filtering part who has solved current SF6 gas density relay check gauge of taking recovery unit of this design

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view of a first box and a second box of the present invention;

fig. 3 is a schematic structural diagram of the middle filter screen of the present invention.

In the figure:

1. a body; 2. a pressure gauge; 3. a signal port; 4. a detection port; 5. an air inlet; 6. an air outlet; 7. a joint; 8. a first connecting pipe; 9. a first box body; 10. a second box body; 11. a filter screen; 12. a second connecting pipe; 13. a one-way valve; 14. an air pump; 15. a third connecting pipe; 16. recovering the bottle; 17. a protective cover; 18. a storage groove; 19. a display screen; 20. an operation panel; 21. a printer; 22. and a power interface.

Detailed Description

The present invention will be described in further detail with reference to the accompanying fig. 1-3.

Referring to fig. 1-3, the present invention provides a technical solution: an SF6 gas density relay calibrator with a recovery device comprises a calibrator body 1, a gas outlet 6 and a box body I9, wherein a pressure gauge 2 is embedded in the middle of one side of the upper end of the calibrator body 1, a signal port 3 is arranged on one side of the pressure gauge 2, a detection port 4 is arranged on one side of the signal port 3, which is far away from the pressure gauge 2, a gas inlet 5 is arranged on one side of the pressure gauge 2, which is far away from the signal port 3, a gas outlet 6 is arranged on one side of the gas inlet 5, which is far away from the pressure gauge 2, a joint 7 is arranged in the gas outlet 6, a connecting pipe I8 is arranged on the upper end of the joint 7, a box body I9 is arranged at one end of the connecting pipe I8, a box body II 10 is arranged at one end of the box body I9, a filter screen 11 is arranged in, a third connecting pipe 15 is arranged at one end of the air pump 14, which is far away from the second connecting pipe 12, and a recovery bottle 16 is arranged at one end of the third connecting pipe 15, which is far away from the air pump 14.

As shown in fig. 1, signal mouth 3 and detection mouth 4 all are embedded in organism 1 upper end, and air inlet 5 and gas outlet 6 all are embedded in organism 1 upper end, and the lower extreme of joint 7 passes through threaded connection with gas outlet 6, and air inlet 5 is used for being connected with experimental gas source, and detection mouth 4 and signal mouth 3 are used for being connected with the gas density relay that waits to detect to check-up the gas density relay.

As shown in fig. 1-3, the upper end of the joint 7 is in threaded connection with a first connecting pipe 8, the first connecting pipe 8 is in threaded connection with a first box body 9, the first box body 9 is in threaded connection with a second box body 10, the filter screen 11 is connected with the first box body 9 and the second box body 10 in a clamping and pressing mode, the first box body 9 is connected with the joint 7 through the first connecting pipe 8, the first connecting pipe 8 is a hose, the first box body 9 and the second box body 10 have a good sealing effect after being closed, the first box body 9 can be detached from the second box body 10 conveniently, so that the interiors of the first box body 9 and the second box body 10 and the filter screen 11 can be cleaned and maintained conveniently, and the filter screen 11 can filter gas flowing through the interiors of the first box body 9 and the second box body 10.

As shown in fig. 1, the output end of the second connection pipe 12 and the second box 10 and the check valve 13 are both in threaded connection, the input end of the air pump 14 is in flange connection with the second connection pipe 12, the output end of the air pump 14 is in flange connection with the third connection pipe 15, the third connection pipe 15 is in flange connection with the upper end of the recovery bottle 16, the second connection pipe 12 is a hose, the access of the check valve 13 is in the direction from the second connection pipe 12 to the air pump 14, the air pump 14 can extract the gas in the second connection pipe 12 during operation, and then the gas is conveyed into the recovery bottle 16 through the third connection pipe 15, and the recovery bottle 16 is a high-pressure gas bottle.

As shown in fig. 1, there is protecting cover 17 through hinged joint on 1 lateral wall of organism, it is provided with the thing groove 18 of putting of shaping in 1 upper end one side of organism to detect 4 one sides of keeping away from signal mouth 3 of mouth, it is provided with display screen 19 embedded in 1 upper end of organism to detect 4 opposite sides of mouth, protecting cover 17 can protect 1 upper end of organism after covering organism 1, it can hold things such as detection joint 7 in the thing groove 18 to put, display screen 19 can show the operation interface and the check-up data of gas density relay check gauge.

As shown in fig. 1, display screen 19 is kept away from detection mouth 4 one side and is provided with embedded operating panel 20 in organism 1 upper end, the position that display screen 19 opposite side is close to air inlet 5 is provided with the printer 21 of being connected through the draw-in groove with organism 1, printer 21 keeps away from air inlet 5 one side and is provided with embedded power source 22 in organism 1 upper end, can control gas density relay check gauge through operating panel 20, printer 21 can be followed organism 1 and pulled down, gas density relay check gauge's check-up data result accessible printer 21 prints, and is very convenient.

Through adopting above-mentioned technical scheme, filter screen 11 can filter the gas through box body one 9 and box body two 10 insides, box body one 9 can with box body two 10 convenient split of carrying on, so that make box body one 9 and box body two 10 insides and filter screen 11 can be maintained by convenient clearance, can initiatively extract the gas in connecting pipe one 8 through aspiration pump 14, box body one 9, box body two 10 and the connecting pipe two 12, in order to prevent connecting pipe one 8, box body one 9, box body two 10, connecting pipe two 12 and gas density relay check gauge have gaseous residue.

The working principle is as follows: the SF6 gas density relay calibrator works by using an external power supply, when equipment is used for calibrating the equipment such as a gas density relay, the gas density relay to be detected needs to be connected with the equipment through a detection port 4 and a signal port 3, then a gas source fish gas inlet 5 for a test is connected, when the equipment is used for calibrating, discharged gas can be discharged through a gas outlet 6 and a connector 7, then the gas is recovered into a recovery bottle 16 after passing through a connecting pipe I8, a box I9, a box II 10, a connecting pipe II 12, a check valve 13, a gas suction pump 14 and a connecting pipe III 15, after the equipment is calibrated, the gas suction pump 14 can be opened to work the gas suction pump 14, and the gas in the connecting pipe I8, the box I9, the box II 10 and the connecting pipe II 12 can be actively extracted through the gas suction pump 14 to prevent the connecting pipe I8, the box I9, the box II 10, There is gaseous residue in the second 12 of connecting pipe and the gas density relay check gauge, and filter screen 11 can filter the gas through box body one 9 and the inside of box body two 10 to filter the granule impurity in the gas, box body one 9 can with the convenient split of carrying on of box body two 10, so that make box body one 9 and the inside of box body two 10 and filter screen 11 can be cleared up the maintenance, it is very convenient.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. SF6 gas density relay calibrator with recovery unit comprises a machine body (1), a gas outlet (6) and a first box body (9), wherein a pressure gauge (2) is embedded in the middle of one side of the upper end of the machine body (1), a signal port (3) is arranged on one side of the pressure gauge (2), a detection port (4) is arranged on one side, away from the signal port (3), of the pressure gauge (2) and is provided with a gas inlet (5), the gas outlet (6) is arranged on one side, away from the pressure gauge (2), of the gas inlet (5), a joint (7) is arranged in the gas outlet (6), a first connecting pipe (8) is arranged at the upper end of the joint (7), the first connecting pipe (8) is arranged away from one end of the joint (7) and is provided with the first box body (9), the first box body (9) is arranged on one end, away from the first connecting pipe (, be provided with filter screen (11) in box body (9), keep away from box body two (10) box body (9) one end middle part is provided with connecting pipe two (12), be provided with check valve (13) on connecting pipe two (12), keeping away from connecting pipe two (12) box body two (10) one end is provided with aspiration pump (14), aspiration pump (14) are kept away from connecting pipe two (12) one end is provided with connecting pipe three (15), keeping away from connecting pipe three (15) aspiration pump (14) one end is provided with recovery bottle (16).

2. The SF6 gas density relay verifier with recovery device of claim 1, wherein: the signal port (3) and the detection port (4) are embedded in the upper end of the machine body (1), the air inlet (5) and the air outlet (6) are embedded in the upper end of the machine body (1), and the lower end of the joint (7) is connected with the air outlet (6) through threads.

3. The SF6 gas density relay verifier with recovery device of claim 2, wherein: connect (7) upper end with connecting pipe (8) pass through threaded connection, connecting pipe (8) with box body (9) pass through threaded connection, box body (9) with box body two (10) pass through threaded connection, filter screen (11) with box body (9) and box body two (10) are all connected through the mode of card pressure.

4. The SF6 gas density relay verifier with recovery device of claim 3, wherein: the second connecting pipe (12) is in threaded connection with the output end of the second box body (10) and the one-way valve (13), the input end of the air pump (14) is connected with the second connecting pipe (12) through a flange, the output end of the air pump (14) is connected with the third connecting pipe (15) through a flange, and the third connecting pipe (15) is connected with the upper end of the recovery bottle (16) through a flange.

5. The SF6 gas density relay verifier with recovery device of claim 4, wherein: there is protecting cover (17) on organism (1) a lateral wall through hinge connection, detection mouth (4) are kept away from signal mouth (3) one side be provided with the shaping in organism (1) upper end one side put thing groove (18), detection mouth (4) opposite side be provided with embedded in display screen (19) of organism (1) upper end.

6. The SF6 gas density relay verifier with recovery device of claim 5, wherein: keep away from display screen (19) detect mouth (4) one side be provided with embedded in operating panel (20) of organism (1) upper end, display screen (19) opposite side is close the position of air inlet (5) be provided with printer (21) that organism (1) are connected through the draw-in groove, printer (21) are kept away from air inlet (5) one side be provided with embedded in power source (22) of organism (1) upper end.