CN204497018U - A kind of two infrared drying apparatus of variable frequency control of transformer respiratory air flow - Google Patents
A kind of two infrared drying apparatus of variable frequency control of transformer respiratory air flow Download PDFInfo
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- CN204497018U CN204497018U CN201520187039.9U CN201520187039U CN204497018U CN 204497018 U CN204497018 U CN 204497018U CN 201520187039 U CN201520187039 U CN 201520187039U CN 204497018 U CN204497018 U CN 204497018U
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- moisture absorption
- drying apparatus
- absorption tank
- infrared drying
- air flow
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Abstract
The utility model relates to a kind of two infrared drying apparatus of variable frequency control of transformer respiratory air flow.Comprise by the frequency-variable controller of external 220 volts of Power supplies, the first infrared drying apparatus, the second infrared drying apparatus, the 3rd infrared drying apparatus, the 4th infrared drying apparatus, inside are equipped with the first moisture absorption tank of hygroscopic agent, inside is equipped with hygroscopic agent the second moisture absorption tank, three-way pipe, the first control valve, the second control valve, the first humidity sensor, the second humidity sensor.The utility model utilizes the dry regeneration techniques of the two infrared heating of frequency conversion; solve traditional transformer respiratory air flow device need manually change when the saturated inefficacy of hygroscopic agent moisture absorption, and also need to exit transformation in Renewal process and think highly of watt protective device and there is the problems such as major safety risks.Use frequency-variable controller, the degree can made moist according to the moisture absorption of respiratory air flow device hygroscopic agent, control the frequency that two infrared drying apparatus launches two-way infrared radiant energy, make the huge advantage such as the thermal regeneration of hygroscopic agent in this respiratory air flow device is more even, efficiency is high, use safety.
Description
Technical field
The utility model relates to a kind of regeneration respiratory air flow device, is specifically related to a kind of two infrared drying apparatus of variable frequency control of transformer respiratory air flow.
Background technology
Transformer is in operation, and can produce respiratory air flow effect by respiratory air flow pipe and outside air, and as respiratory air flow Guan Shangwu installs respiratory air flow device, transformer directly sucks extraneous humid air, more easily makes transformer make moist especially in rainy day and high humidity weather.Traditional transformer respiratory air flow device is built with the moisture absorption tank of discolour silica gel hygroscopic agent, when its hygroscopic agent discolour silica gel moisture absorption is saturated, the hygroscopic agent needing staff to carry qualified drying or the moisture absorption tank installing qualified hygroscopic agent are changed to transformer field, in Renewal process, transformer respiratory air flow directly communicates with ambient atmosphere, transformer respiratory air flow can be caused to change, the catastrophe failure of the heavy watt malfunction of transformer Buchholz relay may be caused, therefore transformation must be thought highly of after a watt protective device exits just can carry out when changing adsorbent by traditional transformer respiratory air flow device, disengaging time reaches 3-4 hour.
A heavy watt protection is that transformer runs one of most important protective device; when there is in contingency the fault producing oil stream or gas shock in transformer; heavy watt of Buchholz relay can action; transformer switch is tripped; the further expansion of Accident prevention, now heavy watt as exited, can not disconnecting transformer switch; cause fault spread, even cause the serious consequence of Explosion of Transformer.Moving back heavy watt protective device need after unit one belongs to chief engineer approval, is operated by operations staff's transformer station's master-control room of making a special trip to a certain place, work consuming, consuming time and expend a lot of.
Be illustrated in figure 1 traditional transformer respiratory air flow device, one shortcoming of this device is, when changing discolour silica gel, after unloading moisture absorption tank, transformer respiratory air flow directly communicates with ambient atmosphere, make moisture, moisture easily breathe connecting leg by transformer to invade in transformer oil, and change hygroscopic agent and can cause waste, simultaneously also easy contaminated environment.
Summary of the invention
The purpose of this utility model is to provide a kind of variable frequency control of transformer respiratory air flow two infrared drying apparatus.
For achieving the above object, the technical solution of the utility model is: a kind of two infrared drying apparatus of variable frequency control of transformer respiratory air flow, comprise by the frequency-variable controller of external 220 volts of Power supplies, first infrared drying apparatus, second infrared drying apparatus, 3rd infrared drying apparatus, 4th infrared drying apparatus, inside is equipped with the first moisture absorption tank of hygroscopic agent, inside is equipped with the second moisture absorption tank of hygroscopic agent, three-way pipe, first control valve, second control valve, be arranged at the first humidity sensor in the first moisture absorption tank, be arranged at the second humidity sensor in the second moisture absorption tank,
First port of described three-way pipe is connected with the upper port of described first moisture absorption tank; Second port of described three-way pipe is connected with the upper port of described second moisture absorption tank, and the junction of the upper port of the junction of the upper port of the first port of described three-way pipe and the first moisture absorption tank and the second port of three-way pipe and the second moisture absorption tank arranges described first and second control valves respectively; 3rd port of described three-way pipe is connected with the lower end of the respiratory air flow pipe of installation for transformer;
Described first, the 3rd infrared drying apparatus is arranged on the top of first, second moisture absorption tank inside respectively, and the second, the 4th infrared drying apparatus is arranged on the bottom of first, second moisture absorption tank inside respectively;
Described frequency-variable controller is connected with the first humidity sensor by the first input switch; Described frequency-variable controller is connected with the second humidity sensor by the second input switch; Described frequency-variable controller is connected with first, second infrared drying apparatus described by the first output switch, and described frequency-variable controller is connected with described 3rd, the 4th infrared drying apparatus by the second output switch;
The tank base of described first moisture absorption tank and described second moisture absorption tank all offers a pneumostome; The tank base of described first moisture absorption tank and described second moisture absorption tank is all connected with a lubricating cup, transformer oil is filled in this lubricating cup, and annular sponge froth bed is provided with above this transformer oil, this annular sponge froth bed energy filtering part sucks entrained solid particulate and liquid droplet in air-flow; Described pneumostome lower end is extended with communicating pipe, this communicating pipe lower ending opening stretch in described lubricating cup transformer oil in form oil sealing; Be provided with aerial respiration gap between the tank base of described lubricating cup top and described first moisture absorption tank or described second moisture absorption tank, suck part moisture and the tiny dust of external air flow entrained with for filtering transformer again.
In the utility model embodiment, in first, second moisture absorption tank described, hygroscopic agent is discolour silica gel, is sky blue, changes pink into after moisture absorption is saturated when it is dry.
In the utility model embodiment, in the middle part of first, second moisture absorption tank described, glass infuser is the manufacture of heat resistant glass material.
In the utility model embodiment, be also provided with the camera for taking hygroscopic agent color in tank body in first, second moisture absorption tank described, this camera is connected with frequency-variable controller.
Compared to prior art, the utility model has following beneficial effect: the utility model is without the need to changing hygroscopic agent, and solving traditional transformer respiratory air flow device needs to exit heavy watt and protect and there is the problems such as potential safety hazard during hygroscopic agent when changing; Use frequency-variable controller, the degree can made moist according to hygroscopic agent moisture absorption, the two infrared drying apparatus operating frequency of automatic control, when in moisture absorption tank, hygroscopic agent moisture absorption is made moist serious, frequency-variable controller is opened greatly, and the frequency controlling the two infrared drying apparatus of frequency conversion raises, and increases two-way infrared beta radiation energy, when hygroscopic agent moisture absorption is made moist less, reduce two infrared drying apparatus operating frequency; Hygroscopic agent is made to absorb two-way infrared beta radiation energy more uniformly and effectively, thus by the heating of uniform high-efficiency more, drying and regeneration.
Accompanying drawing explanation
Fig. 1 is traditional transformer respiratory air flow device scheme of installation.
Fig. 2 is the transformer respiratory air flow device with the two infrared heating of variable frequency control of the present utility model.
Fig. 3 is moisture absorption tank appearance schematic diagram of the present utility model.
Fig. 4 is moisture absorption tank decomposing schematic representation of the present utility model.
Fig. 5 is schematic diagram when discolour silica gel is drying regime in moisture absorption tank of the present utility model.
Fig. 6 is that in moisture absorption tank of the present utility model, discolour silica gel moisture absorption is saturated, changes pink into, and opening variable frequency control two infrared drying apparatus transmitting two-way infrared beta radiation can carry out the dry schematic diagram of Bidirectional heating to discolour silica gel.
Fig. 7 is along with the minimizing of discolour silica gel moisture absorption degree in moisture absorption tank, and frequency converter automatically controls two infrared transmitter and reduces the schematic diagram launching two-way infrared beta radiation energy.
Fig. 8 be the discolour silica gel that makes moist in moisture absorption tank of the present utility model after two-way infrared line heat drying, when all transferring dry sky blue state to, close frequency converter, close two infrared drying apparatus, stop two-way infrared radiation schematic diagram.
Fig. 9 is that unlatching of the present utility model first, second pair of infrared drying apparatus carries out variable frequency control two-way infrared drying work functional-block diagram to the first moisture absorption tank.
Figure 10 is that unlatching of the present utility model 3rd, the 4th pair of infrared drying apparatus carries out variable frequency control two-way infrared heat drying operation principle block diagram to the second moisture absorption tank.
In figure: 1-first infrared drying apparatus, 2-first moisture absorption tank, 3-first control valve, 4-second moisture absorption tank, 5-second control valve, 6-three-way pipe, 7-transformer respiratory air flow pipe, 8-second infrared drying apparatus, 9-first humidity sensor, 10-second humidity sensor, 11-installation for transformer, 12-lubricating cup, 13-lubricating cup inner oil seal, 14-moisture absorption tank pneumostome, 15-aerial respiration gap, 16-filter screen, 17-glass infuser; 18-hygroscopic agent, 19-transformer, 20-feed cable, 21-sensing data line, 22-frequency-variable controller, 23-the 3rd infrared drying apparatus, 24-the 4th infrared drying apparatus, 26-annular sponge froth bed, K1-first output switch, K2-second output switch, K3-first input switch, K4-second input switch.
Embodiment
Below in conjunction with accompanying drawing, the technical solution of the utility model is specifically described.
As shown in figs. 2-10, the two infrared drying apparatus of variable frequency control of a kind of transformer respiratory air flow of the present utility model, comprise and being connected with 220 volts of power supplys by feed cable 20 by the frequency-variable controller 22(frequency-variable controller of external 220 volts of Power supplies), first infrared drying apparatus 1, second infrared drying apparatus 8, 3rd infrared drying apparatus 23, 4th infrared drying apparatus 24, inside is equipped with hygroscopic agent 18(discolour silica gel) the first moisture absorption tank 2, inside is equipped with hygroscopic agent 18(discolour silica gel) the second moisture absorption tank 4, three-way pipe 6, first control valve 3, second control valve 5, be arranged at the first humidity sensor 9 in the first moisture absorption tank 2, be arranged at the second humidity sensor 10 in the second moisture absorption tank 4,
First port of described three-way pipe 6 is connected with the upper port of described first moisture absorption tank 2; Second port of described three-way pipe 6 is connected with the upper port of described second moisture absorption tank 4, and the junction of the upper port of the junction of the upper port of the first port of described three-way pipe 6 and the first moisture absorption tank 2 and the second port of three-way pipe 6 and the second moisture absorption tank 4 arranges described first and second control valves 3,5 respectively; 3rd port of described three-way pipe 6 is connected with the lower end of the transformer respiratory air flow pipe 7 of installation for transformer 11;
Described first, the 3rd infrared drying apparatus 1,23 is arranged on the top of first, second moisture absorption tank 2,4 inside respectively, and the second, the 4th infrared drying apparatus 8,24 is arranged on the bottom of first, second moisture absorption tank 2,4 inside respectively;
Described frequency-variable controller 22 is connected with the first humidity sensor 9 by the first input switch K3; Described frequency-variable controller 22 is connected with the second humidity sensor 10 by the second input switch K4; Described frequency-variable controller 22 is connected with first, second infrared drying apparatus 1,8 described by the first output switch K1, and described frequency-variable controller 22 is connected with described 3rd, the 4th infrared drying apparatus 23,24 by the second output switch K2;
The tank base of described first moisture absorption tank 2 and described second moisture absorption tank 4 all offers a moisture absorption tank pneumostome 14; The tank base of described first moisture absorption tank 2 and described second moisture absorption tank 4 is all connected with a lubricating cup 12, transformer oil is filled in this lubricating cup 12, and annular sponge froth bed 26 is provided with above this transformer oil, this annular sponge froth bed 26 filtering part can suck entrained solid particulate and liquid droplet in air-flow; Described pneumostome lower end is extended with communicating pipe, this communicating pipe lower ending opening stretch in described lubricating cup transformer oil in form oil sealing 13; Be provided with aerial respiration gap 15 between the tank base of described lubricating cup 12 top and described first moisture absorption tank 2 or described second moisture absorption tank 4, suck part moisture and the dust of external air flow entrained with for filtering transformer again.
In the present embodiment, in first, second moisture absorption tank 2,4 described, hygroscopic agent 18 is discolour silica gel, is sky blue, changes pink into after moisture absorption is saturated when it is dry; In first, second moisture absorption tank 2,4 described, hygroscopic agent 18 is positioned on a filter screen 16.
In the present embodiment, in the middle part of first, second moisture absorption tank 2,4 tank body described, glass infuser 17 is the manufacture of heat resistant glass material.
In the present embodiment, be also provided with the camera for taking hygroscopic agent color in tank body in first, second moisture absorption tank described, this camera is connected with frequency-variable controller 22.
Be more than preferred embodiment of the present utility model, all changes done according to technical solutions of the utility model, when the function produced does not exceed the scope of technical solutions of the utility model, all belong to protection range of the present utility model.
Claims (4)
1. the two infrared drying apparatus of the variable frequency control of a transformer respiratory air flow, it is characterized in that: comprise by the frequency-variable controller of external 220 volts of Power supplies, the first infrared drying apparatus, the second infrared drying apparatus, the 3rd infrared drying apparatus, the 4th infrared drying apparatus, inside are equipped with the first moisture absorption tank of hygroscopic agent, inside is equipped with hygroscopic agent the second moisture absorption tank, three-way pipe, the first control valve, the second control valve, the first humidity sensor be arranged in the first moisture absorption tank, the second humidity sensor be arranged in the second moisture absorption tank;
First port of described three-way pipe is connected with the upper port of described first moisture absorption tank; Second port of described three-way pipe is connected with the upper port of described second moisture absorption tank, and the junction of the upper port of the junction of the upper port of the first port of described three-way pipe and the first moisture absorption tank and the second port of three-way pipe and the second moisture absorption tank arranges described first and second control valves respectively; 3rd port of described three-way pipe is connected with the lower end of the respiratory air flow pipe of installation for transformer;
Described first, the 3rd infrared drying apparatus is arranged on the top of first, second moisture absorption tank inside respectively, and the second, the 4th infrared drying apparatus is arranged on the bottom of first, second moisture absorption tank inside respectively;
Described frequency-variable controller is connected with the first humidity sensor by the first input switch; Described frequency-variable controller is connected with the second humidity sensor by the second input switch; Described frequency-variable controller is connected with first, second infrared drying apparatus described by the first output switch, and described frequency-variable controller is connected with described 3rd, the 4th infrared drying apparatus by the second output switch;
The tank base of described first moisture absorption tank and described second moisture absorption tank all offers a pneumostome; The tank base of described first moisture absorption tank and described second moisture absorption tank is all connected with a lubricating cup, transformer oil is filled in this lubricating cup, and annular sponge froth bed is provided with above this transformer oil, this annular sponge froth bed energy filtering part sucks entrained solid particulate and liquid droplet in air-flow; Described pneumostome lower end is extended with communicating pipe, this communicating pipe lower ending opening stretch in described lubricating cup transformer oil in form oil sealing; Be provided with aerial respiration gap between the tank base of described lubricating cup top and described first moisture absorption tank or described second moisture absorption tank, suck part moisture and the tiny dust of external air flow entrained with for secondary filtering transformer.
2. the two infrared drying apparatus of the variable frequency control of a kind of transformer respiratory air flow according to claim 1, is characterized in that: in first, second moisture absorption tank described, hygroscopic agent is discolour silica gel, is sky blue, changes pink into after moisture absorption is saturated when it is dry.
3. the two infrared drying apparatus of the variable frequency control of a kind of transformer respiratory air flow according to claim 1, is characterized in that: in the middle part of first, second moisture absorption tank described, glass infuser is the manufacture of heat resistant glass material.
4. the two infrared drying apparatus of the variable frequency control of a kind of transformer respiratory air flow according to claim 1, it is characterized in that: be also provided with the camera for taking hygroscopic agent color in tank body in first, second moisture absorption tank described, this camera is connected with frequency-variable controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520187039.9U CN204497018U (en) | 2015-03-31 | 2015-03-31 | A kind of two infrared drying apparatus of variable frequency control of transformer respiratory air flow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520187039.9U CN204497018U (en) | 2015-03-31 | 2015-03-31 | A kind of two infrared drying apparatus of variable frequency control of transformer respiratory air flow |
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| Publication Number | Publication Date |
|---|---|
| CN204497018U true CN204497018U (en) | 2015-07-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520187039.9U Expired - Fee Related CN204497018U (en) | 2015-03-31 | 2015-03-31 | A kind of two infrared drying apparatus of variable frequency control of transformer respiratory air flow |
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| CN (1) | CN204497018U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111210974A (en) * | 2020-02-10 | 2020-05-29 | 国网河南省电力公司检修公司 | Transformer respiratory system |
| WO2021109635A1 (en) * | 2019-12-05 | 2021-06-10 | 广东电网有限责任公司 | Platform and method for testing aerodynamic characteristic of respiratory system of transformer |
-
2015
- 2015-03-31 CN CN201520187039.9U patent/CN204497018U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021109635A1 (en) * | 2019-12-05 | 2021-06-10 | 广东电网有限责任公司 | Platform and method for testing aerodynamic characteristic of respiratory system of transformer |
| CN111210974A (en) * | 2020-02-10 | 2020-05-29 | 国网河南省电力公司检修公司 | Transformer respiratory system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150722 |