CN205751774U - Transformer breather silica gel drying device - Google Patents
Transformer breather silica gel drying device Download PDFInfo
- Publication number
- CN205751774U CN205751774U CN201620526712.1U CN201620526712U CN205751774U CN 205751774 U CN205751774 U CN 205751774U CN 201620526712 U CN201620526712 U CN 201620526712U CN 205751774 U CN205751774 U CN 205751774U
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- China
- Prior art keywords
- silica gel
- heat pipe
- incubation chamber
- drying device
- heating wire
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Abstract
nullThe utility model discloses a kind of transformer breather silica gel drying device，Including shell、Upper heat pipe、Lower heat pipe、Incubation chamber、Heating wire、Heater circuit，Described incubation chamber、Heater circuit is positioned at shell，Described heating wire is positioned at incubation chamber，One end of described upper heat pipe communicates with the upper interface of respiratory organ silica gel cup，The other end of upper heat pipe communicates with the top of incubation chamber，One end of described lower heat pipe communicates with the lower interface of respiratory organ silica gel cup，The described other end of lower heat pipe communicates with the bottom of incubation chamber，Described heater circuit includes rectifier bridge D、Electric capacity of voltage regulation C、MOSFET Q1、Control unit 8、Power drive unit 9、Temperature sensor 10，This utility model can carry out drying dehumidification to inside respiratory organ for the silica gel being dried in transformer breather running，Then can avoid changing the operation of silica gel，Both ensured that transformator was properly functioning，Reduce again operating cost、Improve work efficiency.
Description
Technical field
This utility model relates to a kind of transformator, particularly relates to a kind of transformer breather silica gel drying device, belongs to electricity
Power equipment technical field.
Background technology
In transformer station, transformer breather is a pith of transformator, to keep in day-to-day operation maintenance process
Inside respiratory organ, desiccant can possess the function of dehumidifying, often to carry out the silica gel for dehumidifying inside respiratory organ more
Change, existing Renewal process, need to back out screw and take off silica gel cup, back out lubricating cup, pour out former silica gel, inject new silica gel, finally
Also silica gel cup and lubricating cup are screwed back in situ, whole process lasts at least half an hour, and also it is bad to there is sealing effectiveness
Situation, lubricating cup and silica gel cup are also risk of damage to.If inside can be to respiratory organ in transformer breather running
Carry out drying dehumidification for dry silica gel, then can avoid changing the operation of silica gel, both ensure that transformator is properly functioning, dropped again
Low operating cost, raising work efficiency.
Utility model content
The purpose of this utility model is to provide a kind of transformer breather silica gel drying device, solves prior art and changes
Transformer breather silica gel is wasted time and energy, fragile lubricating cup and silica gel cup, runs the problem that work efficiency is the highest.
The purpose of this utility model is achieved by the following technical programs:
A kind of transformer breather silica gel drying device, including shell 1, upper heat pipe 2, lower heat pipe 3, incubation chamber 4, electricity
Heated filament 5, heater circuit 6, described incubation chamber 4, heater circuit 6 be positioned at shell 1, and described heating wire 5 is positioned at incubation chamber 4, institute
The upper interface of one end and respiratory organ silica gel cup 7 of stating heat pipe 2 communicates, the other end of upper heat pipe 2 and the top of incubation chamber 4
Communicating, one end of described lower heat pipe 3 communicates with the lower interface of respiratory organ silica gel cup 7, the other end of described lower heat pipe 3 and guarantor
Temperature box 4 bottom communicate, described heater circuit 6 include rectifier bridge D, electric capacity of voltage regulation C, MOSFET Q1, control unit 8,
Power drive unit 9, temperature sensor 10, the probe of described temperature sensor 10 is placed in respiratory organ silica gel cup 7, described rectification
The ac input end of bridge D connects alternating current, the source electrode of a termination MOSFET Q1 of the DC output end of rectifier bridge D, described
The drain electrode of MOSFET Q1 connects one end of heating wire 5, another termination rectifier bridge D DC output end of described heating wire 5
The other end, described electric capacity of voltage regulation C is parallel to the two ends of rectifier bridge D DC output end, described temperature sensor 10 and control unit 8
Connecting, by temperature signal input control unit 8 in respiratory organ silica gel cup 7, described control unit 8 is connected with power drive unit 9,
PWM ripple signal is flowed to power drive unit 9 by control unit 8, and described power drive unit 9 send after being amplified by PWM ripple signal
Grid to MOSFET Q1.
The purpose of this utility model can also be realized further by techniques below measure:
Aforementioned transformer respiratory organ silica gel drying device, wherein heating wire 5 is 5BN gate 7 ring tungsten hank knotting heating wire.
Aforementioned transformer respiratory organ silica gel drying device, wherein rectifier bridge D model is MDQ200A.
Aforementioned transformer respiratory organ silica gel drying device, wherein temperature sensor 10 is DS18B20 type digital thermometer.
Aforementioned transformer respiratory organ silica gel drying device, wherein the model of MOSFET Q1 is IRFPS35N50L, merit
Rate driver element 9 is IR2110 MOSFET driving chip.
Aforementioned transformer respiratory organ silica gel drying device, wherein control unit 8 is MPS430F149 single-chip microcomputer.
Compared with prior art, the beneficial effects of the utility model are: can be to breathing in transformer breather running
Inside device, the silica gel for being dried carries out drying dehumidification, then can avoid changing the operation of silica gel, both ensure that transformator was normally transported
OK, reduce again operating cost, improve work efficiency.
Accompanying drawing explanation
Fig. 1 is structure chart of the present utility model；
Fig. 2 is this utility model circuit theory diagrams；
Fig. 3 is the MPS430F149 single chip circuit figure of control unit；
Fig. 4 is power drive unit circuit diagram.
Detailed description of the invention
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
As it is shown in figure 1, transformer breather silica gel drying device, including shell 1, upper heat pipe 2, lower heat pipe 3, insulation
Box 4, heating wire 5, heater circuit 6, described incubation chamber 4, heater circuit 6 be positioned at shell 1, and described heating wire 5 is positioned at incubation chamber 4
In, one end of described upper heat pipe 2 communicates with the upper interface of respiratory organ silica gel cup 7, the other end of upper heat pipe 2 and incubation chamber 4
Top communicate, one end of described lower heat pipe 3 communicates with the lower interface of respiratory organ silica gel cup 7, another of described lower heat pipe 3
End communicates with the bottom of incubation chamber 4, as in figure 2 it is shown, described heater circuit 6 includes rectifier bridge D, electric capacity of voltage regulation C, field of electric force effect
Pipe Q1, control unit 8, power drive unit 9, temperature sensor 10, the probe of described temperature sensor 10 is placed in respiratory organ silicon
In glue cup 7, the ac input end of described rectifier bridge D connects alternating current, a termination field of electric force effect of the DC output end of rectifier bridge D
The source electrode of pipe Q1, the drain electrode of described MOSFET Q1 connects one end of heating wire 5, another termination rectification of described heating wire 5
The other end of bridge D DC output end, described electric capacity of voltage regulation C is parallel to the two ends of rectifier bridge D DC output end, described temperature sensing
Device 10 is connected with control unit 8, by temperature signal input control unit 8, described control unit 8 and merit in respiratory organ silica gel cup 7
Rate driver element 9 connects, and PWM ripple signal is flowed to power drive unit 9 by control unit 8, and described power drive unit 9 will
PWM ripple signal delivers to the grid of MOSFET Q1 after amplifying.
Described shell 1 is iron sheet outer casing, and upper chain is connected to hand-strap, for manually carrying.Described upper heat pipe 2, under lead
Having insulation tinfoil parcel, outsourcing plastic bushing in heat pipe 3, two interface is made up of, with silicon metal spiral set and rubber washer
The screw socket of the correspondence on glue cup and portable drying device is supporting.During connection, only metal spiral need to be overlapped corresponding good screw socket and tighten,
Ensure that good seal.Wherein connect to be placed between heat transfer tube insulation tinfoil and the plastic bushing of interface and be resistant to
The temperature sensor lead of 125 DEG C of high temperature, temperature sensor is connected at the temperature sensor lead of top connection heat transfer tube, temperature
The probe of gap sensor can be deep into inside silica gel cup.Described incubation chamber 4 is built in portable drying device, is built-in with electricity
Heated filament and two bottoming holes.Incubation chamber Main Function is to ensure that the heat conduction orientation overwhelming majority that heating wire sends flows to heat transfer
Conduit.
As it is shown on figure 3, the control unit 8 of transformer breather silica gel drying device of the present utility model is MPS430F149
Single-chip microcomputer, when voltage 2.2V, clock frequency 1MHz, activity pattern is 200 μ A；It is only 0.1A during " shut " mode", and there are 5 kinds of joints
Can working method.Including fundamental clock module, WatchDog Timer, 3 capture/comparand registers of band and PWM output 16
Intervalometer, the 16 bit timing devices exported with 7 capture/comparand registers and PWM, 28 parallel-by-bit ends with interrupt function
The module such as mouth, 48 parallel-by-bit ports, analog comparater, 12 A/D converters, 2 serial communication interfaces.
The model of MOSFET Q1 is IRFPS35N50L, by the control to its grid, is turned on and off direct current
Heating, drying loop.As shown in Figure 4, power drive unit 9 is IR2110 MOSFET driving chip, is used for MPS430 monolithic
The PWM ripple that machine sends carries out power amplification, drives IRFPS35N50L power component, the HIN pin of power drive unit 9 and SD
Pin connects P4.0 and the P3.7 pin in MPS430F149 respectively, and required DC source is external switch power supply and powers.
Aforementioned transformer respiratory organ silica gel drying device, wherein heating wire 5 is 5BN gate 7 ring tungsten hank knotting heating wire, directly
Be connected on rectified after DC loop in, there is the highest electric conversion efficiency.
Aforementioned transformer respiratory organ silica gel drying device, wherein rectifier bridge D model is MDQ200A.
Aforementioned transformer respiratory organ silica gel drying device, wherein temperature sensor 10 is DS18B20 type digital thermometer, surveys
Amount temperature scope, between-55 DEG C to+125 DEG C, only requires that a port can realize communication, the P6.1 in MPS430F149
Port energy requirement.
In addition to the implementation, this utility model can also have other embodiments, all employing equivalents or equivalence to become
Change the technical scheme of formation, all fall within the protection domain of this utility model requirement.
Claims (6)
1. a transformer breather silica gel drying device, it is characterised in that include shell (1), upper heat pipe (2), lower heat conduction
Managing (3), incubation chamber (4), heating wire (5), heater circuit (6), described incubation chamber (4), heater circuit (6) are positioned at shell (1),
Described heating wire (5) is positioned at incubation chamber (4), one end of described upper heat pipe (2) and the upper interface phase of respiratory organ silica gel cup (7)
Logical, the other end of upper heat pipe (2) communicates with the top of incubation chamber (4), one end of described lower heat pipe (3) and respiratory organ silica gel
The lower interface of cup (7) communicates, and the other end of described lower heat pipe (3) communicates with the bottom of incubation chamber (4), described heater circuit
(6) rectifier bridge D, electric capacity of voltage regulation C, MOSFET Q1, control unit (8), power drive unit (9), temperature sensing are included
Device (10), the probe of described temperature sensor (10) is placed in respiratory organ silica gel cup (7), the ac input end of described rectifier bridge D
Connect alternating current, the source electrode of a termination MOSFET Q1 of the DC output end of rectifier bridge D, described MOSFET Q1's
Drain electrode connects one end of heating wire (5), the other end of another termination rectifier bridge D DC output end of described heating wire (5), described surely
Voltage capacitance C is parallel to the two ends of rectifier bridge D DC output end, and described temperature sensor (10) is connected with control unit (8), will exhale
Haustorium silica gel cup (7) interior temperature signal input control unit (8), described control unit (8) is connected with power drive unit (9),
PWM ripple signal is flowed to power drive unit (9) by control unit (8), and PWM ripple signal is put by described power drive unit (9)
The grid of MOSFET Q1 is delivered to after great.
2. transformer breather silica gel drying device as claimed in claim 1, it is characterised in that described heating wire (5) is 5BN
Gate 7 ring tungsten hank knotting heating wire.
3. transformer breather silica gel drying device as claimed in claim 1, it is characterised in that described rectifier bridge D model is
MDQ200A。
4. transformer breather silica gel drying device as claimed in claim 1, it is characterised in that described temperature sensor (10)
For DS18B20 type digital thermometer.
5. transformer breather silica gel drying device as claimed in claim 1, it is characterised in that described MOSFET Q1
Model be IRFPS35N50L, power drive unit (9) is IR2110MOSFET driving chip.
6. transformer breather silica gel drying device as claimed in claim 1, it is characterised in that described control unit (8) is
MPS430F149 single-chip microcomputer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620526712.1U CN205751774U (en) | 2016-06-02 | 2016-06-02 | Transformer breather silica gel drying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620526712.1U CN205751774U (en) | 2016-06-02 | 2016-06-02 | Transformer breather silica gel drying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205751774U true CN205751774U (en) | 2016-11-30 |
Family
ID=57359720
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620526712.1U Active CN205751774U (en) | 2016-06-02 | 2016-06-02 | Transformer breather silica gel drying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205751774U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105938755A (en) * | 2016-06-02 | 2016-09-14 | 国网江苏省电力公司镇江供电公司 | Drying apparatus for silica gel in transformer ventilator and control method for drying apparatus |
-
2016
- 2016-06-02 CN CN201620526712.1U patent/CN205751774U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105938755A (en) * | 2016-06-02 | 2016-09-14 | 国网江苏省电力公司镇江供电公司 | Drying apparatus for silica gel in transformer ventilator and control method for drying apparatus |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |