CN218383195U

CN218383195U - Full-automatic density relay calibrator with built-in pressure source

Info

Publication number: CN218383195U
Application number: CN202222441277.0U
Authority: CN
Inventors: 薛超
Original assignee: Changzhou Youda Electronic Technology Co ltd
Current assignee: Changzhou Youda Electronic Technology Co ltd
Priority date: 2022-09-15
Filing date: 2022-09-15
Publication date: 2023-01-24
Anticipated expiration: 2032-09-15

Abstract

The utility model belongs to the technical field of the relay check gauge, a full-automatic density relay check gauge of built-in pressure source is disclosed, which comprises an outer shell, the inside fixedly connected with gas holder of shell, the left side fixed connection filter of gas holder, the top fixedly connected with force pump of filter. The utility model discloses a through the shell as device installation main part, during the use, start the force pump and carry out make-up gas to gas holder inside and keep pressure, then through opening the solenoid valve, make pressure gas pass through airtight joint, inside hose and the suction head input detector main part, when needs overhaul, directly dismantle the detector main part from accepting the frame, then take out the detector main part perpendicularly, then separate suction head and hose, realize the dismantlement to the detector main part, thereby realized that the device can keep invariable output pressure, and conveniently dismantle the advantage of maintaining.

Description

Full-automatic density relay calibrator with built-in pressure source

Technical Field

The utility model relates to a relay check gauge technical field, more specifically say, relate to a full-automatic density relay check gauge of built-in pressure source.

Background

The SF6 electrical product has been widely applied to the electric power department, industrial and mining enterprises, the rapid development of the electric power industry is promoted, the reliable and safe operation of the SF6 electrical product is one of the important tasks of the electric power department, the SF6 gas density relay is one of the key elements of the SF6 electrical switch, the SF6 gas density relay is used for detecting the change of the SF6 gas density in the SF6 electrical equipment body, the performance of the SF6 gas density relay directly affects the reliable and safe of the SF6 electrical equipment, the full-automatic density relay calibrator is important equipment for testing the SF6 gas density relay, the calibration is generally divided into a built-in gas source type and an external gas source type, but the existing full-automatic density relay calibrator has the following defects:

1. the existing built-in gas source type calibrator is easy to generate the condition of insufficient pressure during detection due to small internal volume.

2. The existing built-in gas source check meter is generally a sealing structure, is difficult to disassemble and maintain and is inconvenient to assemble and disassemble.

SUMMERY OF THE UTILITY MODEL

Problem to exist among the prior art, the utility model aims to provide a full-automatic density relay check gauge of built-in pressure source to solve current built-in air supply formula check gauge because inside volume is less, produce the condition that pressure is not enough easily during the detection, and generally all be seal structure, be difficult to dismantle the problem of maintaining.

In order to solve the above problems, the utility model adopts the following technical proposal.

The utility model provides a full-automatic density relay check gauge of built-in pressure source, includes the shell, the inside fixedly connected with gas holder of shell, the left side fixed connection filter of gas holder, the top fixedly connected with force pump of filter, the right-hand member fixedly connected with solenoid valve of gas holder, the airtight joint of top fixedly connected with of solenoid valve, the frame is accepted to the inside fixedly connected with of shell, accept through bolt fixedly connected with detector main part on the frame, detector main part bottom fixedly connected with head that admits air, the fixedly connected with hose between head that admits air and the airtight joint, the left end fixedly connected with intake pipe of force pump, the bottom and the filter fixed connection of force pump.

As a further description of the above technical solution: the left end of intake pipe runs through and fixed connection to the outside of shell, the inside fixedly connected with filter screen of intake pipe.

As a further description of the above technical solution: a rubber clamp gasket is clamped between the detector main body and the shell.

As a further description of the above technical solution: and the inside of the air storage tank is fixedly connected with a pressure sensor.

As a further description of the above technical solution: the bottom of the filter is fixedly connected with a drain pipe, and the other end of the drain pipe penetrates through and is fixedly connected to the outer side of the shell.

As a further description of the above technical solution: an operation panel is installed at the top of the detector main body.

Compared with the prior art, the utility model has the advantages of:

this scheme passes through the shell as device installation main part, during the use, start the force pump and carry out make-up gas to gas storage tank inside and keep pressure, then through opening the solenoid valve, make pressure gas pass through airtight joint, inside hose and the inlet head input detector main part, when needs are overhauld, directly dismantle the detector main part from accepting the frame, then take out the detector main part perpendicularly, then with inlet head and hose separation, realize the dismantlement to the detector main part, then expose subassembly such as inside gas holder, thereby realized that the device can keep invariable output pressure, and conveniently dismantle the advantage of maintaining.

Drawings

FIG. 1 is a schematic view of the front cross-sectional structure of the present invention;

FIG. 2 is an enlarged view of the part A in FIG. 1;

fig. 3 is a schematic top view of the cross-sectional structure of the present invention.

The reference numbers in the figures illustrate:

1. a housing; 2. a gas storage tank; 21. a pressure sensor; 3. a filter; 31. a drain pipe; 4. a pressure pump; 5. an electromagnetic valve; 6. an airtight joint; 7. a bearing frame; 8. a detector main body; 81. a rubber snap washer; 9. an air inlet head; 10. a hose; 11. an air inlet pipe; 111. a filter screen; 12. an operation panel.

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;

please refer to fig. 1-3, the utility model discloses a full-automatic density relay check gauge of built-in pressure source, which comprises an outer shell 1, the inside fixedly connected with gas holder 2 of shell 1, the left side fixedly connected with filter 3 of gas holder 2, the top fixedly connected with force pump 4 of filter 3, the right-hand member fixedly connected with solenoid valve 5 of gas holder 2, the top fixedly connected with airtight joint 6 of solenoid valve 5, the inside fixedly connected with of shell 1 accepts frame 7, accept and pass through bolt fixedly connected with detector main part 8 on the frame 7, 8 bottom fixedly connected with air inlets 9 of detector main part, fixedly connected with hose 10 between air inlet 9 and the airtight joint 6, the left end fixedly connected with intake pipe 11 of force pump 4, the bottom and the 3 fixed connection of filter of force pump 4.

The utility model discloses in, as device installation main part through shell 1, during the use, start pressure pump 4 and carry out make-up gas to gas holder 2 inside and keep pressure, then through opening solenoid valve 5, make pressure gas pass through airtight joint 6, inside hose 10 and 9 input detector main parts 8 of admitting air, when needs are overhauld, directly dismantle detector main parts 8 from accepting frame 7, then take out detector main parts 8 perpendicularly, then with 9 and 10 separation of admitting air, realize the dismantlement to detector main parts 8, then expose subassembly such as inside gas holder 2, thereby realized that the device can keep invariable output pressure, and conveniently dismantle the advantage of maintaining, it is less owing to inside volume to have solved built-in air supply formula check gauge among the prior art, produce the not enough condition of pressure during the detection easily, and generally all be seal structure, be difficult to dismantle the maintenance, the inconvenient problem of loading and unloading.

Please refer to fig. 1, in which: the left end of the air inlet pipe 11 penetrates and is fixedly connected to the outer side of the shell 1, and a filter screen 111 is fixedly connected to the inner portion of the air inlet pipe 11.

The utility model discloses in, filter the debris dust in to the air through filter screen 111, guarantee that inside gas is clean.

Please refer to fig. 2, in which: a rubber clamp gasket 81 is clamped between the detector main body 8 and the shell 1.

The utility model discloses in, make shell 1's lid chucking between to the detector main part 8 through rubber card packing ring 81, avoid taking place to rock when removing to avoid shell 1's lid direct and detector main part 8 direct contact.

Please refer to fig. 1, in which: the pressure sensor 21 is fixedly connected to the inside of the air tank 2.

The utility model discloses in, through the inside pressure value of pressure sensor 21 real-time supervision gas holder 2 to the air input of automatic control force pump 4, in order to realize automatic holding pressure.

Please refer to fig. 1, in which: a drain pipe 31 is fixedly connected to the bottom of the filter 3, and the other end of the drain pipe 31 penetrates and is fixedly connected to the outside of the casing 1.

The utility model discloses in, conveniently discharge the filterable moisture in 3 inside filters of filter through drain pipe 31, the structure is more reasonable.

Please refer to fig. 1, in which: an operation panel 12 is mounted on the top of the monitor main body 8.

The utility model discloses in, make things convenient for man-machine interaction operation through operating panel 12, it is more convenient to use.

The working principle is as follows: during the use, at first regard as device installation main part through shell 1, during the use, start force pump 4 and carry out make-up gas to 2 insides of gas holder and keep pressure, then through opening solenoid valve 5, make pressure gas pass through airtight joint 6, inside hose 10 and the head of admitting air 9 input detector main part 8, when needs are overhauld, directly dismantle detector main part 8 from accepting frame 7, then take out detector main part 8 perpendicularly, then with the head of admitting air 9 and hose 10 separation, realize the dismantlement to detector main part 8, then expose subassembly such as inside gas holder 2, thereby realized that the device can keep invariable output pressure, and convenient dismantlement is maintained.

The foregoing is only a preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the protection scope of the present invention by replacing or changing the technical solution and the modified concept of the present invention within the technical scope of the present invention.

Claims

1. The utility model provides a full-automatic density relay check gauge of built-in pressure source, includes shell (1), its characterized in that: the inside fixedly connected with gas holder (2) of shell (1), left side fixedly connected with filter (3) of gas holder (2), top fixedly connected with force pump (4) of filter (3), right-hand member fixedly connected with solenoid valve (5) of gas holder (2), the top fixedly connected with airtight joint (6) of solenoid valve (5), the inside fixedly connected with of shell (1) accepts frame (7), accept on frame (7) through bolt fixedly connected with detector main part (8), detector main part (8) bottom fixedly connected with inlet head (9), fixedly connected with hose (10) between inlet head (9) and airtight joint (6), the left end fixedly connected with intake pipe (11) of force pump (4), the bottom and filter (3) fixed connection of force pump (4).

2. The full-automatic density relay calibrator with built-in pressure source according to claim 1, wherein: the left end of intake pipe (11) runs through and fixed connection to the outside of shell (1), the inside fixedly connected with filter screen (111) of intake pipe (11).

3. The full-automatic density relay calibrator with built-in pressure source according to claim 1, wherein: a rubber clamp gasket (81) is clamped between the detector main body (8) and the shell (1).

4. The full-automatic density relay calibrator with the built-in pressure source as recited in claim 1, wherein: and the interior of the air storage tank (2) is fixedly connected with a pressure sensor (21).

5. The full-automatic density relay calibrator with built-in pressure source according to claim 1, wherein: the bottom of the filter (3) is fixedly connected with a drain pipe (31), and the other end of the drain pipe (31) penetrates through and is fixedly connected to the outer side of the shell (1).

6. The full-automatic density relay calibrator with the built-in pressure source as recited in claim 1, wherein: an operation panel (12) is installed at the top of the detector main body (8).