CN215377309U - Waterproof ventilation device of SF6 density controller - Google Patents
Waterproof ventilation device of SF6 density controller Download PDFInfo
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- CN215377309U CN215377309U CN202121695963.XU CN202121695963U CN215377309U CN 215377309 U CN215377309 U CN 215377309U CN 202121695963 U CN202121695963 U CN 202121695963U CN 215377309 U CN215377309 U CN 215377309U
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- breathable
- density controller
- hydrophobic
- waterproof
- oleophobic
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Abstract
The utility model relates to a waterproof ventilative device of SF6 density controller relates to SF6 density controller's field, and it includes the casing, fixedly connected with atmospheric pressure regulation cap on the casing sets up the regulation hole that runs through atmospheric pressure regulation cap thickness on the atmospheric pressure regulation cap, and fixedly connected with is hydrophobic to oleophobic ventilated membrane in the atmospheric pressure regulation cap, and hydrophobic oleophobic ventilated membrane is used for hiding the regulation hole. This application has the setting of hydrophobic oleophobic ventilated membrane for inside and outside atmospheric pressure of SF6 density controller can keep balance with external atmospheric pressure all the time, when SF6 density controller transports to other places, need not the effect of staff's manual regulation inside and outside pressure balance of SF6 density controller.
Description
Technical Field
The application relates to the field of SF6 density controllers, in particular to a waterproof and breathable device of an SF6 density controller.
Background
The SF6 density controller is used for monitoring SF6 gas density in a gas chamber of SF6 high-voltage electrical equipment, so that when gas leakage occurs in the gas chamber, a gas supplementing and locking signal is sent out to ensure the safe operation of the equipment.
In the related art, chinese application No. 201721921643.5 discloses an SF6 density controller with settable alarm value, which includes a casing, the casing includes a case and a watch cover assembled on the case, the surface of the watch cover is a glass watch cover, the watch cover is provided with an air pressure balance valve, the air pressure balance valve is used for adjusting the air pressure in the SF6 density controller according to the air pressure in different areas; a dial plate, a node pointer which is used for triggering a signal and is rotationally assembled on the binding post and a indicating value pointer which is used for indicating a density value are assembled in the shell; when gas leakage occurs in a gas chamber provided with the SF6 density controller, the indicating pointer for indicating the density value rotates, and an alarm signal is sent out.
In summary, the inventor thinks that when the SF6 density controller is calibrated and transported to other areas for installation, the atmospheric pressure is inconsistent, and the defect that the operation is complicated because workers need to manually unscrew the air pressure balance valve and adjust the air pressure of the SF6 density controller exists.
SUMMERY OF THE UTILITY MODEL
In order to solve the staff and need manually unscrew atmospheric pressure balanced valve, complex operation's problem, this application provides a waterproof ventilative device of SF6 density controller.
The application provides a waterproof ventilative device of SF6 density controller adopts following technical scheme:
the utility model provides a SF6 density controller's waterproof ventilation unit, includes the casing, fixedly connected with air pressure adjusting cap on the casing sets up the regulation hole that runs through air pressure adjusting cap thickness on the air pressure adjusting cap, and fixedly connected with is hydrophobic to be oleophobic the ventilated membrane in the air pressure adjusting cap, and hydrophobic to be oleophobic the ventilated membrane is used for hiding the regulation hole.
Through adopting above-mentioned technical scheme, the setting of hydrophobic oleophobic ventilated membrane for inside and outside atmospheric pressure of SF6 density controller can keep balance with external atmospheric pressure all the time, when SF6 density controller transported to other places, need not the inside and outside pressure balance of staff's manual regulation SF6 density controller, and the hydrophobic oleophobic ventilated membrane can prevent that the inside liquid of SF6 density controller from leaking outward, also can prevent in external rainwater gets into SF6 density controller.
Optionally, the hydrophobic and oleophobic breathable film is made of polytetrafluoroethylene materials.
By adopting the technical scheme, the hydrophobic and oleophobic breathable film made of polytetrafluoroethylene material ensures that liquid inside and outside the SF6 density controller cannot flow mutually, and ensures that the performance of the SF6 density controller can be protected from being damaged when the hydrophobic and oleophobic breathable film balances the internal and external air pressure.
Optionally, an installation groove is formed in the air pressure adjusting cap, and the hydrophobic and oleophobic breathable film is fixedly connected with the inner wall of the installation groove.
By adopting the technical scheme, the installation groove is arranged, so that the edge of the hydrophobic and oleophobic breathable film can be abutted against the inner wall of the installation groove for a circle, the position of the hydrophobic and oleophobic breathable film in the air pressure adjusting cap is limited by the installation groove, and displacement is difficult to generate due to shaking,
optionally, fixedly connected with ring packing in the mounting groove, the bonding groove has been seted up to ring packing internal perisporium, and hydrophobic oleophobic ventilated membrane bonds fixedly with bonding inslot wall.
Through adopting above-mentioned technical scheme, ring packing's setting for hydrophobic oleophobic ventilated membrane is more stable at the mounting groove internal fixation, and when external rainwater flowed to mounting groove department, was blockked by ring packing and hydrophobic oleophobic ventilated membrane, has then guaranteed hydrophobic oleophobic ventilated membrane and under the condition that maintains atmospheric pressure balance, can prevent that external rainwater from getting into SF6 density controller.
Optionally, the bottom of the air pressure adjusting cap is fixedly connected with a threaded connecting shaft, the threaded connecting shaft is in threaded connection with the shell, and the adjusting hole penetrates through the height of the threaded connecting shaft.
Through adopting above-mentioned technical scheme, threaded connection axle's setting for the atmospheric pressure regulation cap can be in the same place with casing threaded connection, the change of the atmospheric pressure regulation cap of being convenient for and the change of the interior hydrophobic oleophobic ventilated membrane of atmospheric pressure regulation cap.
Optionally, the bottom of the air pressure adjusting cap is connected with an annular sealing gasket, and the annular sealing gasket is tightly abutted to the shell.
Through adopting above-mentioned technical scheme, the setting of annular seal pad for air pressure adjusting cap can with the casing between zonulae occludens, and outside rainwater can not get into SF6 density controller from air pressure adjusting cap and casing butt department.
Optionally, the air pressure adjusting cap is provided with an air permeable protective cover, and the air permeable protective cover is fixedly connected with the shell.
Through adopting above-mentioned technical scheme, the setting of the safety cover of can breathing freely for when external sharp-pointed object is close to the atmospheric pressure and adjusts the cap, at first blocked by the safety cover of can breathing freely, the hydrophobic oleophobic ventilative membrane is protected.
Optionally, the air permeable protective cover is provided with air holes, and a protective net for covering the air holes is fixedly connected to the air permeable protective cover.
Through adopting above-mentioned technical scheme, the setting of guard net for the safety cover can also block external sharp-pointed object and destroy hydrophobic oleophobic ventilated membrane when keeping atmospheric pressure regulation cap can exchange gas with the external world.
In summary, the present application includes at least one of the following beneficial technical effects:
1. due to the arrangement of the hydrophobic and oleophobic breathable film, the air pressure inside and outside the SF6 density controller can be always kept balanced with the external atmospheric pressure, and when the SF6 density controller is transported to other places, workers do not need to manually adjust the pressure balance inside and outside the SF6 density controller;
2. due to the arrangement of the hydrophobic and oleophobic air-permeable film, liquid in the SF6 density controller can be prevented from leaking outwards, and external rainwater can be prevented from entering the SF6 density controller;
3. the offering of mounting groove for edge a week of the hydrophobic and oleophobic ventilated membrane can with the inner wall butt of mounting groove, then the position of hydrophobic and oleophobic ventilated membrane in the atmospheric pressure adjusting cap is spacing by the mounting groove.
Drawings
FIG. 1 is a schematic structural diagram of embodiment 1 of the present application;
fig. 2 is a schematic view intended to show a sectional structure of the air pressure adjusting cap;
FIG. 3 is a schematic structural diagram of embodiment 2 of the present application;
FIG. 4 is intended to show a schematic view of a breathable protective cover construction;
FIG. 5 is a schematic structural diagram of embodiment 3 of the present application;
fig. 6 is a schematic view intended to show a breathable protective cover structure.
Description of reference numerals: 1. a housing; 11. connecting grooves; 2. an air pressure adjusting cap; 21. an adjustment hole; 22. mounting grooves; 23. a sealing groove; 3. a threaded connection shaft; 4. a hydrophobic oleophobic breathable film; 5. an annular seal ring; 51. a bonding groove; 6. an annular seal; 7. a breathable protective cover; 71. air holes are formed; 72. and (4) a protection net.
Detailed Description
The present application is described in further detail below with reference to figures 1-6.
Example 1
The embodiment of the application discloses waterproof ventilative device of SF6 density controller. Referring to fig. 1 and 2, the waterproof and breathable device of the SF6 density controller comprises a shell 1, an air pressure adjusting cap 2 and a threaded connection shaft 3, wherein a hydrophobic and oleophobic breathable film 4 is installed in the air pressure adjusting cap 2, the air pressure adjusting cap 2 is fixedly connected with the threaded connection shaft 3, the threaded connection shaft 3 is in threaded connection with the shell 1, and the air pressure adjusting cap 2 is abutted to the shell 1.
When the staff was making SF6 density controller, only need install in pneumatic control cap 2 with hydrophobic oleophobic ventilated membrane 4, then with threaded connection axle 3 and 1 threaded connection of casing, then carry the pneumatic control cap 2 and the casing 1 of hydrophobic oleophobic ventilated membrane 4 and be connected, no matter transport SF6 density controller to any region, hydrophobic oleophobic ventilated membrane 4 all can regulate and control SF6 density controller and external atmospheric pressure automatically, need not artifical manual unscrewing pneumatic control cap 2.
Referring to fig. 2, the housing 1 is provided with a connecting groove 11, and the bottom of the pressure adjusting cap 2 is located in the connecting groove 11 and abuts against the bottom wall of the connecting groove 11.
Referring to fig. 2, the air pressure adjusting cap 2 is welded and fixed with the threaded connecting shaft 3 and is integrally formed, and adjusting holes 21 penetrating through the thickness of the air pressure adjusting cap 2 and the height of the threaded connecting shaft 3 are formed in the air pressure adjusting cap 2 and the threaded connecting shaft 3; an annular mounting groove 22 is formed in the air pressure adjusting cap 2, and the area of the cross section of a space surrounded by the mounting groove 22 is larger than that of the cross section of the adjusting hole 21; an annular sealing ring 5 is arranged in the mounting groove 22, the annular sealing ring 5 is fixedly bonded with the inner wall of the mounting groove 22, a bonding groove 51 is formed in the inner peripheral wall of the annular sealing ring 5, and the bonding groove 51 is annular; the hydrophobic and oleophobic ventilated membrane 4 is arranged on the bonding groove 51, the hydrophobic and oleophobic ventilated membrane 4 is made of polytetrafluoroethylene material, and the edge of the circumference of the hydrophobic and oleophobic ventilated membrane 4 is fixedly bonded with the bonding groove 51.
Referring to fig. 2, a sealing groove 23 is formed in the bottom surface of the air pressure adjusting cap 2, the sealing groove 23 is formed around the threaded connection shaft 3, an annular sealing ring 5 is arranged in the sealing groove 23, and the annular sealing ring 5 is fixedly bonded with the inner wall of the sealing groove 23 and tightly abutted to the inner wall of the connection groove 11.
When the hydrophobic oleophobic ventilated membrane 4 of staff installation, place hydrophobic oleophobic ventilated membrane 4 circumference edge extrusion in bonding groove 51, and carry out adhesive fixation with hydrophobic oleophobic ventilated membrane 4, with threaded connection axle 3 and 1 threaded connection of casing, when the external world has the rainwater, ring packing circle 5 and hydrophobic oleophobic ventilated membrane 4 are touch to external rainwater, by the separation outside SF6 density controller, when external rainwater is touch ring packing and is 6, by 6 separation of annular packing pad, the rainwater can not follow in the junction entering SF6 density controller of threaded connection axle 3 and casing 1.
The implementation principle of the waterproof and breathable device of the SF6 density controller in the embodiment of the application is as follows: the staff is when making SF6 density controller, place 4 circumference edge extrusions of hydrophobic and oleophobic ventilated membrane in bonding groove 51, and carry out adhesive fixation with hydrophobic and oleophobic ventilated membrane 4, with threaded connection axle 3 and 1 threaded connection of casing, when the external world has the rainwater, ring packing 5 and hydrophobic and oleophobic ventilated membrane 4 are touch to external rainwater, by the separation outside SF6 density controller, when external rainwater is touch ring packing 6, by 6 separation of annular packing, the rainwater can not follow in the junction entering SF6 density controller of threaded connection axle 3 and casing 1.
Example 2
Referring to fig. 3 and 4, the difference from embodiment 1 is that: the outer cover of the air pressure adjusting cap 2 is provided with a breathable protective cover 7, the breathable protective cover 7 is of a cylindrical structure and is internally provided with a cavity, the bottom end of the breathable protective cover 7 is welded and fixed with the shell 1, the top surface of the breathable protective cover 7 is provided with an air hole 71, the air hole 71 penetrates through the thickness of the top surface of the breathable protective cover 7, a protective net 72 is arranged at the air hole 71 of the breathable protective cover 7, and the protective net 72 is welded and fixed with the breathable protective cover 7 and covers the air hole 71.
The implementation principle of the waterproof and breathable device of the SF6 density controller in the embodiment of the application is as follows: the difference from example 1 is that: when sharp matters from the outside touch the air-permeable protection cover 7, the protection net 72 isolates the sharp matters from the air-permeable protection cover 7, and then the hydrophobic and oleophobic air-permeable membrane 4 is protected.
Example 3
Referring to fig. 5 and 6, the difference from embodiment 1 is that: the outer cover of the air pressure adjusting cap 2 is provided with a breathable protective cover 7, the breathable protective cover 7 is of a cylindrical structure and is internally provided with a cavity, the bottom end of the breathable protective cover 7 is welded and fixed with the shell 1, air holes 71 are formed in the peripheral surface of the breathable protective cover 7, the air holes 71 penetrate through the thickness of the peripheral surface of the breathable protective cover 7, a rigid protective net 72 is arranged at the air holes 71 of the breathable protective cover 7, and the protective net 72 is welded and fixed with the breathable protective cover 7 and covers the air holes 71.
The implementation principle of the waterproof and breathable device of the SF6 density controller in the embodiment of the application is as follows: the difference from example 1 is that: when sharp matters from the outside touch the air-permeable protection cover 7, the protection net 72 isolates the sharp matters from the air-permeable protection cover 7, and then the hydrophobic and oleophobic air-permeable membrane 4 is protected.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. A waterproof and breathable device of an SF6 density controller comprises a shell (1), and is characterized in that: fixedly connected with atmospheric pressure regulation cap (2) is gone up in casing (1), sets up regulation hole (21) that run through atmospheric pressure regulation cap (2) thickness on atmospheric pressure regulation cap (2), and fixedly connected with is dredged oily ventilated membrane (4) to the hydrophobic oil in atmospheric pressure regulation cap (2), and the oily ventilated membrane (4) of hydrophobic oil is used for hiding regulation hole (21).
2. The waterproof and breathable device for SF6 density controller of claim 1, wherein: the hydrophobic and oleophobic breathable film (4) is made of polytetrafluoroethylene materials.
3. The waterproof and breathable device for SF6 density controller of claim 1, wherein: an installation groove (22) is formed in the air pressure adjusting cap (2), and the hydrophobic and oleophobic breathable film (4) is fixedly connected with the inner wall of the installation groove (22).
4. The waterproof and breathable device for SF6 density controllers of claim 3, wherein: fixedly connected with ring packing (5) in mounting groove (22), bonding groove (51) have been seted up to ring packing (5) internal perisporium, and hydrophobic oleophobic ventilated membrane (4) and bonding groove (51) inner wall bonding are fixed.
5. The waterproof and breathable device for SF6 density controller of claim 1, wherein: the bottom of the air pressure adjusting cap (2) is fixedly connected with a threaded connecting shaft (3), the threaded connecting shaft (3) is in threaded connection with the shell (1), and an adjusting hole (21) penetrates through the height of the threaded connecting shaft (3).
6. The waterproof and breathable device for SF6 density controller of claim 1, wherein: the bottom of the air pressure adjusting cap (2) is connected with an annular sealing gasket (6), and the annular sealing gasket (6) is tightly abutted to the shell (1).
7. The waterproof and breathable device for SF6 density controller of claim 1, wherein: the air pressure adjusting cap (2) is covered with a breathable protective cover (7), and the breathable protective cover (7) is fixedly connected with the shell (1).
8. The waterproof and breathable device for SF6 density controllers of claim 7, wherein: the breathable protective cover (7) is provided with a breathable hole (71), and the breathable protective cover (7) is fixedly connected with a protective net (72) used for covering the breathable hole (71).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121695963.XU CN215377309U (en) | 2021-07-24 | 2021-07-24 | Waterproof ventilation device of SF6 density controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121695963.XU CN215377309U (en) | 2021-07-24 | 2021-07-24 | Waterproof ventilation device of SF6 density controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215377309U true CN215377309U (en) | 2021-12-31 |
Family
ID=79611464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121695963.XU Active CN215377309U (en) | 2021-07-24 | 2021-07-24 | Waterproof ventilation device of SF6 density controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215377309U (en) |
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2021
- 2021-07-24 CN CN202121695963.XU patent/CN215377309U/en active Active
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