CN208873584U - The double filter ventilators of transformer - Google Patents

The double filter ventilators of transformer Download PDF

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Publication number
CN208873584U
CN208873584U CN201821607618.4U CN201821607618U CN208873584U CN 208873584 U CN208873584 U CN 208873584U CN 201821607618 U CN201821607618 U CN 201821607618U CN 208873584 U CN208873584 U CN 208873584U
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CN
China
Prior art keywords
silica gel
tank
transformer
mounting flange
double filter
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201821607618.4U
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Chinese (zh)
Inventor
李树强
杜连斌
李凯全
高林泽
池源
张勇
王希兰
徐鲁博
徐建国
刘彬
王冬
王世珺
倪志强
鲁峰
孙业华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
State Grid Liaoning Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
State Grid Liaoning Electric Power Co Ltd
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Application filed by State Grid Corp of China SGCC, State Grid Liaoning Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201821607618.4U priority Critical patent/CN208873584U/en
Application granted granted Critical
Publication of CN208873584U publication Critical patent/CN208873584U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to a kind of transformer double filter ventilators, including silica gel tank and lubricating cup, silica gel is arranged in the inside of silica gel tank, and the bottom of silica gel tank connects lubricating cup;The inside of the silica gel tank is equipped with self-filtering tank, self-filtering tank is filled with silica gel, the top of self-filtering tank is connected to one end of connecting tube, the other end of connecting tube stretches out silica gel tank and is connected to the pedestal of mounting flange, the pedestal of mounting flange and the top of silica gel tank are detachably connected with, and top and the transformer flange of mounting flange are fastenedly connected.The utility model dismantles simple installation, as long as can be completed by way of turning.The air slowed down under respirator negative pressure rapidly enters, to prevent the malfunction of transformer Buchholz relay.It ensure that the oil in installation for transformer cannot directly be contacted with air.

Description

The double filter ventilators of transformer
Technical field
The utility model relates to a kind of respirator for transformer more particularly to a kind of double filter ventilators of transformer.
Background technique
After main transformer of transformer substation changes colour because of the respirator interior silica gel moisture absorption, need to re-replace new silica gel.Usual In the case where, it should be by removing respirator and breathing the screw on pipe flange, to complete the integral demounting to respirator, to reach More renew the purpose of silica gel.In disassembly, need to back out on the screw on transformer flange, it is time-consuming and laborious, while increasing work The work difficulty of industry personnel.More importantly existing respirator is after removal, due to not preventing main fransformer oil effectively The barrier of respiratory siphon and air is rested the head on, it can be during replacing respirator silica gel, main transformer conservator passes through respiratory siphon and air It directly contacts, to lose the real effect of respirator.Especially in summer wet weather, the fouling product of moisture and air, All very likely enter inside main transformer conservator, causes the rapid degradation of main fransformer oil.In addition, when respirator lower part breathes After hole plug, negative pressure can occur in respirator interior, if could not conscientiously check discovery before staff dismantles respirator, tear open When unloading respirator, Buchholz relay can be impacted, the malfunction of Buchholz relay is caused because air rapidly enters respiratory siphon, Such example be also it is aobvious have it is existing.
Summary of the invention
The utility model is directed to above-mentioned problems of the prior art, provides a kind of transformer double filter ventilators, It avoids during replacing respirator silica gel, occurs because causing main fransformer oil directly to connect with air after respirator disassembly The problem of touching.
The technical solution of the utility model is as follows:
Silica gel, the bottom of silica gel tank is arranged in transformer double filter ventilators, including silica gel tank and lubricating cup, the inside of silica gel tank Portion connects lubricating cup;The inside of the silica gel tank is equipped with self-filtering tank, and self-filtering tank is filled with silica gel, self-filtering tank Top is connected to one end of connecting tube, and the other end of connecting tube stretches out silica gel tank and is connected to the pedestal of mounting flange, mounting flange The top of pedestal and silica gel tank be detachably connected with, top and the transformer flange of mounting flange are fastenedly connected.
The mounting flange matches with transformer flange screw pitch.
The top of the mounting flange uses back taper open type through-hole, and the bottom end of through-hole is connected to connecting tube, through-hole Top is connected to transformer respiratory siphon.
The pedestal of the mounting flange is cylinder, and the inner wall of the inner hollow of cylindrical base, cylindrical base is set There is internal screw thread, internal screw thread matches with silica gel upper end external screw thread, and the pedestal and silica gel tank of mounting flange are twisted solid by screw thread.
At the threaded recess of the pedestal internal screw thread of the mounting flange, it is equipped with venthole.
The connecting tube is identical as transformer breathing pipe diameter.
The self-filtering tank is transparent tank body, and the upper end of tank body is connect with connecting tube using solid mode is twisted, tank body Bottom end is using breathing web frame.
Bore is greater than the tank diameter of self-filtering tank in the tank body upper end of the silica gel tank.
The utility model has the advantages of as follows:
1. the utility model is separated by turning silica gel tank, by the internal screw thread of mounting flange with the external screw thread of silica gel tank, behaviour It is simple, convenient to make.
2. the utility model can limit air in silica gel by way of in the punching of the internal screw thread recess of mounting flange Inflow velocity in the case of tank internal negative pressure slows down the impact to transformer Buchholz relay, so as to avoid Buchholz relay Malfunction.
3. the utility model, when replacing silica gel tank silica gel, is guaranteed after dismantling silica gel tank using self-filtering tank is installed additional, interior Portion's filtering tank is still connected to transformer respiratory siphon, was continued to complete the effect of air filtering, and not will cause air and transformer oil Direct contact.The effect of double filterings is also played simultaneously.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the structural schematic diagram of the utility model mounting flange.
Fig. 3 is the structural schematic diagram of the utility model mounting flange internal screw thread.
Fig. 4 is the structural schematic diagram after the disassembly of the utility model silica gel tank.
In figure, 1, transformer flange, 2, mounting flange, 3, fixing threaded hole, 4, connecting tube, 5, silica gel tank, 6, self-filtering Tank, 7, silica gel, 8, lubricating cup, 9, venthole, 10, pedestal, 11, through-hole.
Specific embodiment
The utility model is described as follows referring to attached drawing by specific embodiment.
Embodiment
As shown, silicon is arranged in transformer double filter ventilators, including silica gel tank 5 and lubricating cup 8, the inside of silica gel tank 5 The bottom of glue 7, silica gel tank 5 connects lubricating cup 8;The inside of the silica gel tank 5 is equipped with self-filtering tank 6, and self-filtering tank 6 is filled There is silica gel, the top of self-filtering tank 6 is connected to one end of connecting tube 4, and the other end of connecting tube 4 stretches out silica gel tank and fixation The pedestal connection of orchid 2, the connecting tube 4 are identical as transformer breathing pipe diameter.The pedestal of mounting flange 2 and silica gel tank 5 Top is detachably connected with using screw thread, and the fixing threaded hole 3 of mounting flange 2 matches with the screw hole screw pitch of transformer flange 1, fixed The top of flange is connect with transformer flange by screw threads for fastening.
The top of the mounting flange uses back taper open type through-hole 11, and the bottom end of through-hole is connected to connecting tube 4, through-hole Top be connected to transformer respiratory siphon.Formula through-hole is open upwards using back taper, in favor of connecting with transformer mounting flange Afterwards, airway unobstructed.
The pedestal 10 of the mounting flange is cylinder, the inner hollow of cylindrical base, the inner wall of cylindrical base Equipped with internal screw thread, internal screw thread matches with silica gel upper end external screw thread, and the pedestal and silica gel tank of mounting flange are twisted solid by screw thread. At each threaded recess of the pedestal internal screw thread of the mounting flange, it is equipped with venthole 9.
Transparent tank body is made using glass material in the self-filtering tank 6, convenient for observing the suction of self-filtering tank silica gel Damp situation.The upper end of tank body is twisted solid mode using screw thread with connecting tube and is connect, and using breathing web frame, guaranteeing should for the bottom end of tank body Self-filtering tank it is unimpeded.
Bore is greater than the tank diameter of self-filtering tank in the tank body upper end of the silica gel tank, when mounting flange internal screw thread After separating with silica gel tank external screw thread, self-filtering tank can pass through the bore of silica gel tank, after completing the disassembly of silica gel tank, internal-internal Filtering tank is still connected to transformer respiratory siphon, using this double filter types, avoids the direct of main fransformer oil and air Contact.
For the homework burden for mitigating staff, the utility model is used on the basis of transformer flange itself, design one A matched mounting flange, haves no need to change the structure other than transformer respiratory siphon, and mounting flange passes through screw and transformer method Orchid twists solid.When designing mounting flange, using screw thread twist it is solid by the way of connect with silica gel tank, can thus reduce operation It is cumbersome.Meanwhile to prevent during replacing silica gel, there may be negative pressure for respirator interior, easily cause Buchholz relay Malfunction, in each internal screw thread recess of mounting flange, by the way of getting through stomata, when dismantling silica gel tank, if Occur having negative pressure inside silica gel tank, when turning disassembly silica gel tank, can gradually pass air through self-filtering tank by venthole Into transformer respiratory siphon, air-flow is stepped into, and limit air flows rapidly into transformer, it will be able to avoid transformer gas The malfunction of relay.The utility model essentially consists in disassembly, it is only necessary to turn once, by the internal screw thread and silicon of mounting flange Disassembly can be completed in the external screw thread disengaging of glue tank.

Claims (8)

1. silica gel, the bottom of silica gel tank is arranged in transformer double filter ventilators, including silica gel tank and lubricating cup, the inside of silica gel tank Connect lubricating cup;It is characterized in that the inside of the silica gel tank is equipped with self-filtering tank, self-filtering tank is filled with silica gel, internal The top of filtering tank is connected to one end of connecting tube, and the other end of connecting tube stretches out silica gel tank and is connected to the pedestal of mounting flange, The pedestal of mounting flange and the top of silica gel tank are detachably connected with, and top and the transformer flange of mounting flange are fastenedly connected.
2. the double filter ventilators of transformer according to claim 1, it is characterised in that the mounting flange and transformation Device flange screw pitch matches.
3. the double filter ventilators of transformer according to claim 1, it is characterised in that the top of the mounting flange Using back taper open type through-hole, the bottom end of through-hole is connected to connecting tube, and the top of through-hole is connected to transformer respiratory siphon.
4. the double filter ventilators of transformer according to claim 1, it is characterised in that the pedestal of the mounting flange For cylinder, the inner hollow of cylindrical base, the inner wall of cylindrical base is equipped with internal screw thread, outside internal screw thread and silica gel upper end Screw thread matches, and the pedestal and silica gel tank of mounting flange are twisted solid by screw thread.
5. the double filter ventilators of transformer according to claim 4, it is characterised in that the pedestal of the mounting flange At the threaded recess of internal screw thread, it is equipped with venthole.
6. the double filter ventilators of transformer according to claim 1, it is characterised in that the connecting tube and transformer It is identical to breathe pipe diameter.
7. the double filter ventilators of transformer according to claim 1, it is characterised in that the self-filtering tank is The upper end of bright tank body, tank body is connect with connecting tube using solid mode is twisted, and the bottom end of tank body is using breathing web frame.
8. the double filter ventilators of transformer according to claim 1, it is characterised in that on the tank body of the silica gel tank Bore is greater than the tank diameter of self-filtering tank in holding.
CN201821607618.4U 2018-09-30 2018-09-30 The double filter ventilators of transformer Active CN208873584U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821607618.4U CN208873584U (en) 2018-09-30 2018-09-30 The double filter ventilators of transformer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821607618.4U CN208873584U (en) 2018-09-30 2018-09-30 The double filter ventilators of transformer

Publications (1)

Publication Number Publication Date
CN208873584U true CN208873584U (en) 2019-05-17

Family

ID=66469227

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821607618.4U Active CN208873584U (en) 2018-09-30 2018-09-30 The double filter ventilators of transformer

Country Status (1)

Country Link
CN (1) CN208873584U (en)

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