CN204012322U - A kind of outdoor terminal box of transformer substation of moistureproof dehumidifying - Google Patents
A kind of outdoor terminal box of transformer substation of moistureproof dehumidifying Download PDFInfo
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- CN204012322U CN204012322U CN201420426025.3U CN201420426025U CN204012322U CN 204012322 U CN204012322 U CN 204012322U CN 201420426025 U CN201420426025 U CN 201420426025U CN 204012322 U CN204012322 U CN 204012322U
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- control circuit
- resistance
- terminal box
- fan
- ventilating fan
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- 230000000087 stabilizing effect Effects 0.000 claims abstract description 19
- 239000003990 capacitor Substances 0.000 claims description 24
- 239000000428 dust Substances 0.000 abstract description 7
- 230000003647 oxidation Effects 0.000 abstract description 4
- 238000007254 oxidation reaction Methods 0.000 abstract description 4
- 238000001035 drying Methods 0.000 abstract description 3
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000035900 sweating Effects 0.000 description 1
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- Drying Of Gases (AREA)
Abstract
An outdoor terminal box of transformer substation for moistureproof dehumidifying, it comprises casing and cabinet door, is provided with air inlet and exhaust outlet on the sidewall of casing, at air inlet, supply fan is installed, and at exhaust outlet, ventilating fan is installed; In casing, be also provided with control circuit and power module, the input of control circuit is connected with humidity sensor, output is connected with the control circuit of supply fan and ventilating fan respectively, and the signal that humidity sensor collects is controlled the control signal of supply fan and ventilating fan operating state as control circuit; Described power module comprises alternating current 220V power supply, rectification module and Voltage stabilizing module, for supply fan, ventilating fan, humidity sensor and control circuit provide working power.The utility model makes in terminal box the environment in aeration-drying all the time, has slowed down the oxidation rate of binding post, is conducive to extend its useful life; Realized the automatic control of humidity in casing; By being installed, dust-proof cushion plays the object that prevents dust in addition.
Description
Technical field
The utility model relates to a kind of terminal box, specifically a kind of outdoor terminal box of transformer substation of moistureproof dehumidifying.
Background technology
Outdoor terminal box of transformer substation is the pith that connects first and second equipment, and the important secondary circuits such as AC and DC that distributing in it have great significance for power, measurement and the defencive function of electric power system.
At present, the terminal box problem of making moist never obtains fine solution, and this is because terminal box major part operates in open air, be subject to weather effect larger, and it is arranged near cable trough.For waterproof, the chamber door of terminal box generally all has good sealing property, but so also can cause its inner moisture not discharge fast, especially in rainy season or in the larger area of relative air humidity, and oxidation rate during high temperature in terminal box is accelerated in meeting of steam in moisture reduces the terminal life-span in terminal box.Terminal box long-time running is under highly moist environment, when the humid air in terminal box reaches dew point temperature, in case, be just easy to dewfall, the lasting safe operation that must have influence on secondary device of this phenomenon even may cause power outage, the inner humidity of terminal box is the key factor that forms condensation, and terminal box is all generally seal case, easily produce condensation, therefore strengthen terminal box moisture-proof to improving insulation and the electric property of secondary circuit, significant to guaranteeing main equipment and system safety stable operation thereof.
Utility model content
For the deficiencies in the prior art, the utility model provides a kind of outdoor terminal box of transformer substation of moistureproof dehumidifying, can effectively prevent the generation of components and parts surface sweating phenomenon in outdoor terminal box of transformer substation casing, improves the useful life of terminal box internal wiring terminal.
The technical scheme in the invention for solving the technical problem is: a kind of outdoor terminal box of transformer substation of moistureproof dehumidifying, comprise casing and cabinet door, it is characterized in that, on the sidewall of described casing, be provided with air inlet and exhaust outlet, at air inlet, supply fan is installed, at exhaust outlet, ventilating fan is installed; In described casing, be also provided with control circuit and power module, the input of described control circuit is connected with humidity sensor, output is connected with the control circuit of supply fan and ventilating fan respectively, and the signal that humidity sensor collects is controlled the control signal of supply fan and ventilating fan operating state as control circuit; Described power module comprises alternating current 220V power supply, rectification module and Voltage stabilizing module, the motor that described alternating current 220V power supply is supply fan and ventilating fan provides ac working power supply, alternating current 220V power supply after rectification module and Voltage stabilizing module arrange voltage stabilizing for humidity sensor and control circuit provide working power.
Further, described rectification module is comprised of resistance R 1, capacitor C 1 and rectifier bridge QZ, described Voltage stabilizing module is comprised of polar capacitor C2 and voltage stabilizing didoe VS1, described control circuit is comprised of adjustable resistance RW1, adjustable resistance RW2, resistance R 2, resistance R 3, capacitor C 3, operational amplifier OP1, triode Q1, light-emitting diode D1 and relay J, and described humidity sensor is comprised of humistor RS;
In the motor M 1 of described supply fan and the motor M of the ventilating fan rear incoming transport 220V of 2 series connection loop, ac input end series resistance R1 of described rectifier bridge QZ is connected with alternating current 220V with after the parallel circuits of capacitor C 1, and another ac input end is directly connected with alternating current 220V; The positive pole of described polar capacitor C2 is connected with the cathode output end of rectifier bridge QZ, and negative pole is connected with the cathode output end of rectifier bridge QZ, and described voltage stabilizing didoe VS1 and polar capacitor C2 are connected in parallel; The electrode input end of described operational amplifier OP1 is connected with one end of capacitor C 3 with one end of humistor RS, one end of adjustable resistance RW1 respectively, negative input is connected with one end of adjustable resistance RW2 with one end of resistance R 2 respectively, and output is connected with the base stage of triode Q1; The collector electrode of described triode Q1 is connected with the negative pole of light-emitting diode D1, and emitter is connected with one end of resistance R 3; The other end of the other end of the other end of the other end of described adjustable resistance RW1, capacitor C 3, adjustable resistance RW2 and resistance R 3 is connected with the cathode output end of rectifier bridge QZ respectively, the other end of the other end of described humistor RS and resistance R 2 is connected with the cathode output end of rectifier bridge QZ respectively, after the coil of the anodal series relay J of described light-emitting diode D1, is connected with the cathode output end of rectifier bridge QZ; The normally opened contact JK of described relay J is connected in the electric power loop of supply fan motor M 1 and ventilating fan motor M 2.
Further, this terminal box also comprises control switch K, and the normally opened contact JK of described control switch K and relay J is connected in parallel, and can manually control at any time according to user's wish the dehumidifying work of supply fan and ventilating fan.
Further, on described air inlet and exhaust outlet, be provided with dust-proof cushion, in the larger area of comparatively severe outdoor environment, particularly dust, play the object that prevents dust.
The beneficial effects of the utility model are: the utility model is by arranging supply fan and ventilating fan on terminal box casing, make in terminal box the environment in aeration-drying all the time, have slowed down the oxidation rate of binding post, are conducive to extend its useful life; In casing, be provided with humidity sensor, control circuit and power module, the signal that humidity sensor collects is controlled the control signal of supply fan and ventilating fan operating state as control circuit, realize the automatic control of humidity in casing; In addition, the utility model is installed dust-proof cushion on air inlet and exhaust outlet, plays the object that prevents dust.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is theory diagram of the present utility model;
Fig. 3 is a physical circuit schematic diagram of the present utility model.
Embodiment
For clearly demonstrating the technical characterstic of this programme, below by embodiment, and in conjunction with its accompanying drawing, the utility model is elaborated.Disclosing below provides many different embodiment or example to be used for realizing different structure of the present utility model.Of the present utility model open in order to simplify, hereinafter the parts of specific examples and setting are described.In addition, the utility model can be in different examples repeat reference numerals and/or letter.This repetition is in order to simplify and object clearly, itself do not indicate the relation between discussed various embodiment and/or setting.It should be noted that illustrated parts are not necessarily drawn in proportion in the accompanying drawings.The utility model has omitted the description of known assemblies and treatment technology and technique to avoid unnecessarily limiting the utility model.
As shown in Figure 1, the outdoor terminal box of transformer substation of a kind of moistureproof dehumidifying of the present utility model, it comprises casing 1 and cabinet door 2, cabinet door 2 is as the import and export of box house installing electronic elements and adapt with the opening on casing 1, forms seal case space while closing; On the sidewall of described casing 1, be provided with air inlet and exhaust outlet, at air inlet, supply fan 3 is installed, at exhaust outlet, ventilating fan 4 is installed, and on described air inlet and exhaust outlet, be provided with dust-proof cushion 5, at comparatively severe outdoor environment, particularly the larger area of dust, plays the object that prevents dust.
As shown in Figure 2, in casing 1 described in the utility model, be also provided with control circuit and power module, the input of described control circuit is connected with humidity sensor, output is connected with the control circuit of supply fan and ventilating fan respectively, and the signal that humidity sensor collects is controlled the control signal of supply fan and ventilating fan operating state as control circuit; Described power module comprises alternating current 220V power supply, rectification module and Voltage stabilizing module, the motor that described alternating current 220V power supply is supply fan and ventilating fan provides ac working power supply, alternating current 220V power supply after rectification module and Voltage stabilizing module arrange voltage stabilizing for humidity sensor and control circuit provide working power.
As shown in Figure 3, in the utility model, described rectification module is comprised of resistance R 1, capacitor C 1 and rectifier bridge QZ, described Voltage stabilizing module is comprised of polar capacitor C2 and voltage stabilizing didoe VS1, described control circuit is comprised of adjustable resistance RW1, adjustable resistance RW2, resistance R 2, resistance R 3, capacitor C 3, operational amplifier OP1, triode Q1, light-emitting diode D1 and relay J, and described humidity sensor is comprised of humistor RS.
Wherein, in the motor M 1 of described supply fan and the motor M of the ventilating fan rear incoming transport 220V of 2 series connection loop, ac input end series resistance R1 of described rectifier bridge QZ is connected with alternating current 220V with after the parallel circuits of capacitor C 1, and another ac input end is directly connected with alternating current 220V; The positive pole of described polar capacitor C2 is connected with the cathode output end of rectifier bridge QZ, and negative pole is connected with the cathode output end of rectifier bridge QZ, and described voltage stabilizing didoe VS1 and polar capacitor C2 are connected in parallel; The electrode input end of described operational amplifier OP1 is connected with one end of capacitor C 3 with one end of humistor RS, one end of adjustable resistance RW1 respectively, negative input is connected with one end of adjustable resistance RW2 with one end of resistance R 2 respectively, and output is connected with the base stage of triode Q1; The collector electrode of described triode Q1 is connected with the negative pole of light-emitting diode D1, and emitter is connected with one end of resistance R 3; The other end of the other end of the other end of the other end of described adjustable resistance RW1, capacitor C 3, adjustable resistance RW2 and resistance R 3 is connected with the cathode output end of rectifier bridge QZ respectively, the other end of the other end of described humistor RS and resistance R 2 is connected with the cathode output end of rectifier bridge QZ respectively, after the coil of the anodal series relay J of described light-emitting diode D1, is connected with the cathode output end of rectifier bridge QZ; The normally opened contact JK of described relay J is connected in the electric power loop of supply fan motor M 1 and ventilating fan motor M 2, this terminal box also comprises control switch K, the normally opened contact JK of described control switch K and relay J is connected in parallel, and can manually control at any time according to user's wish the dehumidifying work of supply fan and ventilating fan.
The utlity model has following advantage:
1) by supply fan and ventilating fan are set on terminal box casing, make in terminal box the environment in aeration-drying all the time, slowed down the oxidation rate of binding post, be conducive to extend its useful life;
2) in casing, be provided with humidity sensor, control circuit and power module, the signal that humidity sensor collects is controlled the control signal of supply fan and ventilating fan operating state as control circuit, realize the automatic control of humidity in casing;
3) on air inlet and exhaust outlet, dust-proof cushion is installed, is played the object that prevents dust.
The above is preferred implementation of the present utility model; for those skilled in the art; not departing under the prerequisite of the utility model principle, can also make some improvements and modifications, these improvements and modifications are also regarded as protection range of the present utility model.
Claims (4)
1. an outdoor terminal box of transformer substation for moistureproof dehumidifying, comprises casing and cabinet door, it is characterized in that, is provided with air inlet and exhaust outlet on the sidewall of described casing, at air inlet, supply fan is installed, and at exhaust outlet, ventilating fan is installed; In described casing, be also provided with control circuit and power module, the input of described control circuit is connected with humidity sensor, output is connected with the control circuit of supply fan and ventilating fan respectively, and the signal that humidity sensor collects is controlled the control signal of supply fan and ventilating fan operating state as control circuit; Described power module comprises alternating current 220V power supply, rectification module and Voltage stabilizing module, the motor that described alternating current 220V power supply is supply fan and ventilating fan provides ac working power supply, alternating current 220V power supply after rectification module and Voltage stabilizing module arrange voltage stabilizing for humidity sensor and control circuit provide working power.
2. the outdoor terminal box of transformer substation that a kind of protection against the tide according to claim 1 dehumidifies, it is characterized in that: described rectification module is comprised of resistance R 1, capacitor C 1 and rectifier bridge QZ, described Voltage stabilizing module is comprised of polar capacitor C2 and voltage stabilizing didoe VS1, described control circuit is comprised of adjustable resistance RW1, adjustable resistance RW2, resistance R 2, resistance R 3, capacitor C 3, operational amplifier OP1, triode Q1, light-emitting diode D1 and relay J, and described humidity sensor is comprised of humistor RS;
In the motor M 1 of described supply fan and the motor M of the ventilating fan rear incoming transport 220V of 2 series connection loop, ac input end series resistance R1 of described rectifier bridge QZ is connected with alternating current 220V with after the parallel circuits of capacitor C 1, and another ac input end is directly connected with alternating current 220V; The positive pole of described polar capacitor C2 is connected with the cathode output end of rectifier bridge QZ, and negative pole is connected with the cathode output end of rectifier bridge QZ, and described voltage stabilizing didoe VS1 and polar capacitor C2 are connected in parallel; The electrode input end of described operational amplifier OP1 is connected with one end of capacitor C 3 with one end of humistor RS, one end of adjustable resistance RW1 respectively, negative input is connected with one end of adjustable resistance RW2 with one end of resistance R 2 respectively, and output is connected with the base stage of triode Q1; The collector electrode of described triode Q1 is connected with the negative pole of light-emitting diode D1, and emitter is connected with one end of resistance R 3; The other end of the other end of the other end of the other end of described adjustable resistance RW1, capacitor C 3, adjustable resistance RW2 and resistance R 3 is connected with the cathode output end of rectifier bridge QZ respectively, the other end of the other end of described humistor RS and resistance R 2 is connected with the cathode output end of rectifier bridge QZ respectively, after the coil of the anodal series relay J of described light-emitting diode D1, is connected with the cathode output end of rectifier bridge QZ; The normally opened contact JK of described relay J is connected in the electric power loop of supply fan motor M 1 and ventilating fan motor M 2.
3. the outdoor terminal box of transformer substation of a kind of moistureproof dehumidifying according to claim 2, is characterized in that: also comprise control switch K, the normally opened contact JK of described control switch K and relay J is connected in parallel.
4. according to the outdoor terminal box of transformer substation of a kind of moistureproof dehumidifying described in claims 1 to 3 any one, it is characterized in that: on described air inlet and exhaust outlet, be provided with dust-proof cushion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420426025.3U CN204012322U (en) | 2014-07-31 | 2014-07-31 | A kind of outdoor terminal box of transformer substation of moistureproof dehumidifying |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420426025.3U CN204012322U (en) | 2014-07-31 | 2014-07-31 | A kind of outdoor terminal box of transformer substation of moistureproof dehumidifying |
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| Publication Number | Publication Date |
|---|---|
| CN204012322U true CN204012322U (en) | 2014-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420426025.3U Expired - Fee Related CN204012322U (en) | 2014-07-31 | 2014-07-31 | A kind of outdoor terminal box of transformer substation of moistureproof dehumidifying |
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| CN (1) | CN204012322U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104991128A (en) * | 2015-07-14 | 2015-10-21 | 南京易司拓电力科技股份有限公司 | Index detection device of three-phase imbalance treatment device |
| CN109462210A (en) * | 2018-11-26 | 2019-03-12 | 东莞市大忠电子有限公司 | A kind of built-in water purifier waterproof power supply adaptor with humidity defencive function |
| CN112688193A (en) * | 2021-01-18 | 2021-04-20 | 上海摩芸金电子科技有限公司 | Safe switch board with hydrofuge flood control function |
-
2014
- 2014-07-31 CN CN201420426025.3U patent/CN204012322U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104991128A (en) * | 2015-07-14 | 2015-10-21 | 南京易司拓电力科技股份有限公司 | Index detection device of three-phase imbalance treatment device |
| CN104991128B (en) * | 2015-07-14 | 2018-06-08 | 南京易司拓电力科技股份有限公司 | A kind of index detection device of three-phase imbalance controlling device |
| CN109462210A (en) * | 2018-11-26 | 2019-03-12 | 东莞市大忠电子有限公司 | A kind of built-in water purifier waterproof power supply adaptor with humidity defencive function |
| CN112688193A (en) * | 2021-01-18 | 2021-04-20 | 上海摩芸金电子科技有限公司 | Safe switch board with hydrofuge flood control function |
| CN112688193B (en) * | 2021-01-18 | 2022-09-20 | 广东灿阳智能电力设备有限公司 | Safe switch board with hydrofuge flood control function |
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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: 20141210 Termination date: 20200731 |