CN214254257U - Precision SF6 gas remote transmission density relay - Google Patents
Precision SF6 gas remote transmission density relay Download PDFInfo
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- CN214254257U CN214254257U CN202120567692.3U CN202120567692U CN214254257U CN 214254257 U CN214254257 U CN 214254257U CN 202120567692 U CN202120567692 U CN 202120567692U CN 214254257 U CN214254257 U CN 214254257U
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Abstract
The utility model belongs to the technical field of the relay, a precision SF6 gas remote transmission density relay is disclosed, including the density relay body, one side of the density relay body is provided with the terminal box, the bottom of the density relay body is provided with a first connecting pipe, one side of the first connecting pipe is provided with a connecting branch pipe, the bottom of the connecting branch pipe is provided with a sealing cover, the connecting branch pipe is fixedly connected with the first connecting pipe by welding; the utility model discloses set up connecting branch and first connecting pipe, be provided with first connecting pipe in the bottom of density relay body, one side of first connecting pipe is provided with connecting branch, and one side of connecting branch is provided with sealed lid, and the bottom of first connecting pipe is provided with the three-way valve, and setting up of connecting branch and first connecting pipe can be more convenient verify the density relay body, has saved the time of dismantling the density relay body, reduces a large amount of labours.
Description
Technical Field
The utility model belongs to the technical field of the relay, concretely relates to gaseous teletransmission density relay of accurate formula SF 6.
Background
With the gradual development of power systems into high-capacity and ultrahigh-voltage power networks and various high-voltage-level transformer substation networks, sulfur hexafluoride-insulated electrical products are widely applied to power departments and industrial and mining enterprises, the rapid development of the power industry is promoted, and the reliable and safe operation of the sulfur hexafluoride-insulated electrical products becomes one of the important tasks of the power departments, a sulfur hexafluoride circuit breaker is a circuit breaker using sulfur hexafluoride (SF6) gas as an arc extinguishing medium and an insulating medium, which is called SF6 circuit breaker for short, and is provided with an SF6 density relay for monitoring the SF6 pressure in the circuit breaker, and the SF6 density relay is generally provided with two pairs of nodes for alarming and locking so as to realize the monitoring and detection of the sulfur hexafluoride and prevent the power accidents caused by insufficient density or pressure in the circuit breaker, causes economic loss to the country and brings inconvenience to people.
When current SF6 gaseous teletransmission density relay is in daily use, need regularly to verify the density relay, traditional verification is too troublesome needs to be dismantled and change, when installation or daily the bumping in addition, causes joint department not hard up easily, leads to the condition of gas leakage.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a gaseous teletransmission density relay of accurate formula SF6 to solve the inconvenient effect of the gaseous teletransmission density relay of current SF6 and connect the easy not hard up problem.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a gaseous teletransmission density relay of accurate formula SF6, includes the density relay body, one side of density relay body is provided with the terminal box, the bottom of density relay body is provided with first connecting pipe, one side of first connecting pipe is provided with the connecting branch pipe, the bottom of connecting branch pipe is provided with sealed lid, the connecting branch pipe passes through welded fastening with first connecting pipe and is connected, the bottom of first connecting pipe is provided with the three-way valve.
Preferably, the inside of first connecting pipe is provided with first connector, the outer wall of first connector and the bottom that is located first connecting pipe are provided with a fixed section of thick bamboo, top one side of three-way valve is provided with the second connector, second connector and first connector phase-match.
Preferably, a groove is formed between the first connector and the fixed cylinder, and the groove is matched with the second connector.
Preferably, the top opposite side of three-way valve is provided with the third connector, the top of third connector is provided with the second connecting pipe, the top of second connecting pipe is provided with the density changer, one side of density changer is provided with optic fibre.
Preferably, the bottom of the three-way valve is provided with a third connecting pipe, and one side of the three-way valve is provided with an adjusting knob.
Preferably, a sealing ring is arranged at the top of the inner wall of the fixed cylinder and matched with the second connector.
Compared with the prior art, the utility model, following beneficial effect has:
(1) the utility model discloses set up connecting branch and first connecting pipe, be provided with first connecting pipe in the bottom of density relay body, one side of first connecting pipe is provided with connecting branch, and one side of connecting branch is provided with sealed lid, and the bottom of first connecting pipe is provided with the three-way valve, and setting up of connecting branch and first connecting pipe can be more convenient verify the density relay body, has saved the time of dismantling the density relay body, reduces a large amount of labours.
(2) The utility model discloses set up solid fixed cylinder and second connector, be provided with solid fixed cylinder in the outside of first connector, be provided with the sealing washer at the inner wall top of solid fixed cylinder, be provided with convex second connector in top one side of three-way valve, the junction of parcel first connector and second connector that solid fixed cylinder and second connector set up can be better prevents to lead to the connector insecure because of installation or collision, the condition of gas leakage appears.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a front view of the present invention;
fig. 3 is a side view of the present invention;
fig. 4 is a bottom view of the first connector of the present invention;
FIG. 5 is an enlarged view of the point A of FIG. 1 according to the present invention;
in the figure: 1. a density relay body; 2. a junction box; 3. a density transmitter; 4. a first connecting pipe; 5. adjusting a knob; 6. a third connecting pipe; 7. a second connecting pipe; 8. a three-way valve; 9. a fixed cylinder; 10. connecting branch pipes; 11. a sealing cover; 12. a first connector; 13. a seal ring; 14. a second connector; 15. an optical fiber; 16. a second connector.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides the following technical solutions: the utility model provides a gaseous teletransmission density relay of accurate formula SF6, including density relay body 1, one side of density relay body 1 is provided with terminal box 2, the bottom of density relay body 1 is provided with first connecting pipe 4, one side of first connecting pipe 4 is provided with connecting branch pipe 10, connecting branch pipe 10's bottom is provided with sealed lid 11, connecting branch pipe 10 passes through welded fastening with first connecting pipe 4 and is connected, the bottom of first connecting pipe 4 is provided with three-way valve 8, first connecting pipe 4 is used for connecting three-way valve 8, connecting branch pipe 10 uses when being used for verifying density relay body 1.
Further, the inside of first connecting pipe 4 is provided with first connector 12, and the outer wall of first connector 12 and the bottom that is located first connecting pipe 4 are provided with solid fixed cylinder 9, and top one side of three-way valve 8 is provided with second connector 14, and second connector 14 and first connector 12 phase-match, gu fixed cylinder 9 is used for protecting the splice connection department, and second connector 14 is the protrusion form, the first connector 12 installation of being convenient for.
Furthermore, a groove is arranged between the first connector 12 and the fixed cylinder 9, and the groove is matched with the second connector 14.
Specifically, the other side of the top of the three-way valve 8 is provided with a third connector 16, the top of the third connector 16 is provided with a second connecting pipe 7, the top of the second connecting pipe 7 is provided with a density transmitter 3, one side of the density transmitter 3 is provided with an optical fiber 15, the third connector 16 is used for installing the second connecting pipe 7, and the optical fiber 15 is used for transmitting signals.
It is worth to be noted that a third connecting pipe 6 is arranged at the bottom of the three-way valve 8, an adjusting knob 5 is arranged on one side of the three-way valve 8, and the third connecting pipe 6 is used for connecting equipment for storing sulfur hexafluoride.
Further, a sealing ring 13 is arranged at the top of the inner wall of the fixed cylinder 9, the sealing ring 13 is matched with the second connector 14, and the sealing ring 13 is used for preventing the second connector 14 from leaking air.
The utility model discloses a theory of operation and use flow: when using this utility model, at first, rotating adjust knob 5, make three-way valve 8 close second connector 14, with first connector 12 and second connector 14 phase-match, make solid 9 parcel second connector 14 of section of thick bamboo, rotatory density relay body 1, make first connector 12 and second connector 14 be connected closely, and make sealing washer 13 contact with second connector 14, open three-way valve 8, the completion installation, when needs are checked density relay body 1, close second connector 14 through three-way valve 8, open sealed lid 11, the equipment that will check is connected with connecting branch pipe 10, can check, after finishing checking, screw up sealed lid 11, prevent gas leakage, rotatory adjust knob 5, make three-way valve 8 open second connector 14.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a precision formula SF6 gaseous teletransmission density relay, includes density relay body (1), its characterized in that: one side of density relay body (1) is provided with terminal box (2), the bottom of density relay body (1) is provided with first connecting pipe (4), one side of first connecting pipe (4) is provided with connecting branch pipe (10), the bottom of connecting branch pipe (10) is provided with sealed lid (11), connecting branch pipe (10) are connected through welded fastening with first connecting pipe (4), the bottom of first connecting pipe (4) is provided with three-way valve (8).
2. The precision SF6 gas remote density relay as recited in claim 1, wherein: the inside of first connecting pipe (4) is provided with first connector (12), the outer wall of first connector (12) and the bottom that is located first connecting pipe (4) are provided with a fixed section of thick bamboo (9), top one side of three-way valve (8) is provided with second connector (14), second connector (14) and first connector (12) phase-match.
3. The precision SF6 gas remote density relay as recited in claim 2, wherein: a groove is arranged between the first connector (12) and the fixed cylinder (9), and the groove is matched with the second connector (14).
4. The precision SF6 gas remote density relay as recited in claim 1, wherein: the top opposite side of three-way valve (8) is provided with third connector (16), the top of third connector (16) is provided with second connecting pipe (7), the top of second connecting pipe (7) is provided with density changer (3), one side of density changer (3) is provided with optic fibre (15).
5. The precision SF6 gas remote density relay as recited in claim 1, wherein: the bottom of three-way valve (8) is provided with third connecting pipe (6), one side of three-way valve (8) is provided with adjust knob (5).
6. The precision SF6 gas remote density relay as recited in claim 2, wherein: the top of the inner wall of the fixed cylinder (9) is provided with a sealing ring (13), and the sealing ring (13) is matched with the second connector (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120567692.3U CN214254257U (en) | 2021-03-19 | 2021-03-19 | Precision SF6 gas remote transmission density relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120567692.3U CN214254257U (en) | 2021-03-19 | 2021-03-19 | Precision SF6 gas remote transmission density relay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214254257U true CN214254257U (en) | 2021-09-21 |
Family
ID=77727947
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120567692.3U Active CN214254257U (en) | 2021-03-19 | 2021-03-19 | Precision SF6 gas remote transmission density relay |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214254257U (en) |
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2021
- 2021-03-19 CN CN202120567692.3U patent/CN214254257U/en active Active
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