CN203367803U - Distribution box - Google Patents
Distribution box Download PDFInfo
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- CN203367803U CN203367803U CN2013203457895U CN201320345789U CN203367803U CN 203367803 U CN203367803 U CN 203367803U CN 2013203457895 U CN2013203457895 U CN 2013203457895U CN 201320345789 U CN201320345789 U CN 201320345789U CN 203367803 U CN203367803 U CN 203367803U
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- air outlet
- air
- casing
- distribution box
- moisture
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Abstract
The utility model relates to a ring network cabinet. The bottom of a box body is provided with an air inlet grille and the top of the box body is provided with an air outlet grille. A control main board, and a fan, a heating device, a refrigeration device and a water containing and draining device which are connected electrically to the control main board respectively are disposed in the box body. An air outlet of the fan faces right toward the air outlet grille. A heating end of the heating device is positioned between the air inlet grille and the air outlet grille. A refrigeration end of the refrigeration device faces right toward the air inlet grille. The water containing and draining device includes a water pan disposed right beneath the refrigeration end. According to the utility model, the moisture problem is thoroughly solved and the failure rate caused by condensation inside equipment is reduced, for moisture inside the box body is directly condensed and liquefied by the refrigeration device and then drained through the water containing and draining device. Meanwhile, the dehumidified and cooled air is heated by the heating device and then sent out from the air outlet grille by the fan, so the purpose of heating the moisture is achieved; and the moisture continues to be absorbed, condensed and liquefied by the fan, so the purpose of quickly and effectively eliminating moisture condensation in the box body is achieved by a repeat of the above operation.
Description
Technical field
The utility model relates to the power transformation technical field, is a kind of distribution box specifically.
Background technology
Distribution box is be assembled in sealing or semiclosed metal safe by switchgear, measuring instrument, protective device and auxiliary equipment or shield on width by the electrical wiring requirement, forms low-tension distribution box.During normal operation, can connect or minute deenergizing by manual or automatic switch.Cut off circuit or warning by protective device when fault or irregular operating.Borrow measuring instrument can show operating various parameter, also can be adjusted some electric parameter, to departing from normal operating conditions, pointed out or send signal.Be usually used in each factory, building, electric substation.If the place that the position that distribution box is laid is larger in air humidity, easily cause the excessive and dewfall of humidity in casing, cause the dielectric strength of electric equipment switch, disconnecting link and connecting terminal block to reduce and the generation flashover, cause that switch mistake is closed, false tripping and cause equipment fault, have a strong impact on the safe operation of electrical network.Existing distribution box often adopts baker or temperature-controlled fan to control the temperature in casing, make the air of higher temperature can comprise more moisture, and impel the condensation on equipment to evaporate, but moisture still rests in air, once variation of ambient temperature, larger air humidity will cause rapidly condensation, and thermal source can impel electric equipment aging simultaneously, the harm equipment safety operation.
The utility model content
In order to overcome the defect of above-mentioned prior art, technical problem to be solved in the utility model is to provide a kind of distribution box that can effectively eliminate fast the moisture condensation in casing.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is:
A kind of distribution box, comprise casing, the bottom of described casing is provided with air-inlet grille, the top of described casing is provided with air outlet grate, be provided with the blower fan of controlling mainboard and being electrically connected to described control mainboard respectively in described casing, heater, refrigerating plant and the water device that runs in, the air outlet of described blower fan is over against described air outlet grate, the fire end of described heater is between described air-inlet grille and air outlet grate, the refrigeration end of described refrigerating plant is over against described air-inlet grille, the described water device that runs in comprises drip tray, described drip tray be positioned at described refrigeration end under.
Wherein, described refrigerating plant comprises semiconductor chilling plate and fin, and described refrigeration end is fin, and described fin is fixed on the cold junction of described semiconductor chilling plate.
Wherein, described heater comprises heat exchanger tube, be connected with cooling water in described heat exchanger tube, the water inlet end of described heat exchanger tube is coiled on the hot junction of described semiconductor chilling plate, and the water side of described heat exchanger tube takes the shape of the letter U and is arranged between described air-inlet grille and air outlet grate as fire end.
Wherein, the panel of described casing is provided with control panel, and described control panel is electrically connected to described control mainboard.
Wherein, the bottom of described drip tray is provided with drainage pipe, and the osculum that described drainage pipe is offered by bottom half is connected to the casing outside.
The utility model compared with prior art, have the following advantages: by refrigerating plant by the direct condensation liquefaction of the moisture in casing, then by the water device that runs in, emit, thoroughly solve the moisture puzzlement, reduced the failure rate that the device interior condensation causes, blower fan is sent the air after dehumidifying after the fire end heating by heater again by air outlet grate simultaneously, reach the purpose that moisture is heated, warm air continues to be sucked and carry out condensation liquefaction in the refrigeration end of refrigerating plant from air-inlet grille by blower fan, so circulation reaches the purpose of effectively eliminating fast the moisture condensation in case.After tested, adopt the distribution box of the utility model structure, the accident probability caused by the equipment condensation, by original being reduced to more than 50% below 3%, has ensured safe operation and the personal security of electrical network, has guaranteed power supply quality, has improved power supply reliability.
The accompanying drawing explanation
Figure 1 shows that the structural representation of the utility model embodiment.
Label declaration:
1, casing; 2, air-inlet grille; 3, air outlet grate; 5, blower fan;
9, control panel; 60, heat exchanger tube; 70, semiconductor chilling plate; 71, fin;
80, drip tray; 81, drainage pipe.
Embodiment
By describing technology contents of the present utility model, structural feature in detail, being realized purpose and effect, below in conjunction with execution mode and coordinate accompanying drawing to be explained in detail.
Refer to shown in Fig. 1, the distribution box of present embodiment, comprise casing 1, the bottom of described casing 1 is provided with air-inlet grille 2, the top of described casing 1 is provided with air outlet grate 3, be provided with the blower fan 5 of controlling mainboard and being electrically connected to described control mainboard respectively in described casing 1, heater, refrigerating plant and the water device that runs in, the air outlet of described blower fan 5 is over against described air outlet grate 3, described heater comprises heat exchanger tube 60, be connected with cooling water in described heat exchanger tube 60, described refrigerating plant comprises semiconductor chilling plate 70 and fin 71, described fin 71 is fixed on as refrigeration end on the cold junction of described semiconductor chilling plate 70 and over against described air-inlet grille 2, the water inlet end of described heat exchanger tube 60 is coiled on the hot junction of described semiconductor chilling plate 70, the water side of described heat exchanger tube 60 takes the shape of the letter U and is arranged between described air-inlet grille 2 and air outlet grate 3 as fire end, the described water device that runs in comprises drip tray 80, described drip tray 80 be positioned at described fin 71 under.
During work, control mainboard and start blower fan 5, heater, refrigerating plant and the water device that runs in, pass into cooling water simultaneously in heat exchanger tube 60, fin 71 under the cold junction temperature effect of semiconductor chilling plate 70 in low-temperature condition, make the interior moisture of casing 1 at the fin 71 direct condensation liquefactions in place, condensing drip is fallen in the drip tray 80 of fin 71 belows, by running in, the water device emits, and the cooling water flow in heat exchanger tube 60 is during to the hot junction of semiconductor chilling plate 70, carry out heat exchange with the hot junction of conductor cooling piece 70, because the water inlet end of heat exchanger tube 60 is coiled on the hot junction of conductor cooling piece 70, therefore heat exchange is more abundant, cooling water absorbs heat and forms flow of hot water to water side, the cooled air that dehumidifies passes through the water side of heat exchanger tube 60 under the effect of blower fan 5, carry out heat exchange with the hot water in water side, due to the water side setting that takes the shape of the letter U, therefore air can be more fully when flowing through water side with water side in hot water carry out heat exchange, heated air is sent by air outlet grate 3 again, reach the purpose that moisture is heated, warm air continues to be sucked and carry out condensation liquefaction at fin 71 from air-inlet grille 2 by blower fan 5, so circulation reaches the purpose of effectively eliminating fast the moisture condensation in casing.The heat absorbed due to the cooling waters in heat exchanger tube 60 is from the moisture in casing, therefore the cooled air that dehumidifies is basic identical with ambient temperature after the heat exchange of water side, can not cause electric equipment aging because heating-up temperature is too high, thus the support equipment safe operation.
In the above-described embodiments, can be self-powered on described control mainboard 4, also can with extraneous power supply, be electrically connected to by the power interface be located on casing 1.
In the above-described embodiments, for the ease of operation and control, the panel of described casing 1 is provided with control panel 9, and described control panel 9 is electrically connected to described control mainboard 4.Button, liquid crystal touch control screen or wireless sensor can be set, to adapt to short range or long-range different operating demand on described control panel.
In the above-described embodiments, in order to realize Auto-drainage, the bottom of described drip tray 80 is provided with drainage pipe 81, and the osculum 10 that described drainage pipe 81 is offered by casing 1 bottom is connected to casing 1 outside.
The utility model by refrigerating plant by the direct condensation liquefaction of the moisture in casing, then by the water device that runs in, emit, thoroughly solve the moisture puzzlement, reduced the failure rate that the device interior condensation causes, blower fan is sent the air after dehumidifying after the fire end heating by heater again by air outlet grate simultaneously, reach the purpose that moisture is heated, warm air continues to be sucked and carry out condensation liquefaction in the refrigeration end of refrigerating plant from air-inlet grille by blower fan, and so circulation reaches the purpose of effectively eliminating fast the moisture condensation in casing.After tested, adopt the distribution box of the utility model structure, the accident probability caused by the equipment condensation, by original being reduced to more than 50% below 3%, has ensured safe operation and the personal security of electrical network, has guaranteed power supply quality, has improved power supply reliability.
The foregoing is only embodiment of the present utility model; not thereby limit the scope of the claims of the present utility model; every equivalent structure or conversion of equivalent flow process that utilizes the utility model specification and accompanying drawing content to do; or directly or indirectly be used in other relevant technical fields, all in like manner be included in scope of patent protection of the present utility model.
Claims (5)
1. a distribution box, comprise casing, it is characterized in that: the bottom of described casing is provided with air-inlet grille, the top of described casing is provided with air outlet grate, be provided with the blower fan of controlling mainboard and being electrically connected to described control mainboard respectively in described casing, heater, refrigerating plant and the water device that runs in, the air outlet of described blower fan is over against described air outlet grate, the fire end of described heater is between described air-inlet grille and air outlet grate, the refrigeration end of described refrigerating plant is over against described air-inlet grille, the described water device that runs in comprises drip tray, described drip tray be positioned at described refrigeration end under.
2. distribution box according to claim 1, it is characterized in that: described refrigerating plant comprises semiconductor chilling plate and fin, and described refrigeration end is fin, and described fin is fixed on the cold junction of described semiconductor chilling plate.
3. distribution box according to claim 2, it is characterized in that: described heater comprises heat exchanger tube, be connected with cooling water in described heat exchanger tube, the water inlet end of described heat exchanger tube is coiled on the hot junction of described semiconductor chilling plate, and the water side of described heat exchanger tube takes the shape of the letter U and is arranged between described air-inlet grille and air outlet grate as fire end.
4. distribution box according to claim 1, it is characterized in that: the panel of described casing is provided with control panel, and described control panel is electrically connected to described control mainboard.
5. distribution box according to claim 1, it is characterized in that: the bottom of described drip tray is provided with drainage pipe, and the osculum that described drainage pipe is offered by bottom half is connected to the casing outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203457895U CN203367803U (en) | 2013-06-17 | 2013-06-17 | Distribution box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203457895U CN203367803U (en) | 2013-06-17 | 2013-06-17 | Distribution box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203367803U true CN203367803U (en) | 2013-12-25 |
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ID=49815522
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203457895U Expired - Fee Related CN203367803U (en) | 2013-06-17 | 2013-06-17 | Distribution box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203367803U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105514820A (en) * | 2015-11-24 | 2016-04-20 | 国网河南省电力公司平顶山供电公司 | Anti-condensation and condensation monitor and control system for communication base station electric control cabinet |
| CN105865107A (en) * | 2016-05-25 | 2016-08-17 | 珠海格力电器股份有限公司 | Power distribution system with refrigeration and heating functions and control method thereof |
| CN108879431A (en) * | 2018-07-26 | 2018-11-23 | 襄阳赛克斯电气股份有限公司 | A kind of dehumidifying ventilated type outdoor electrical power distribution cabinet |
| CN111624501A (en) * | 2019-02-27 | 2020-09-04 | 中信国安盟固利动力科技有限公司 | Constant temperature box for constant temperature charging and discharging test of power battery |
-
2013
- 2013-06-17 CN CN2013203457895U patent/CN203367803U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105514820A (en) * | 2015-11-24 | 2016-04-20 | 国网河南省电力公司平顶山供电公司 | Anti-condensation and condensation monitor and control system for communication base station electric control cabinet |
| CN105514820B (en) * | 2015-11-24 | 2017-07-14 | 国网河南省电力公司平顶山供电公司 | A kind of anti-condensation monitoring system of communication base station electrical control cabinet |
| CN105865107A (en) * | 2016-05-25 | 2016-08-17 | 珠海格力电器股份有限公司 | Power distribution system with refrigeration and heating functions and control method thereof |
| CN105865107B (en) * | 2016-05-25 | 2018-11-02 | 珠海格力电器股份有限公司 | Power distribution system with refrigeration and heating functions and control method thereof |
| CN108879431A (en) * | 2018-07-26 | 2018-11-23 | 襄阳赛克斯电气股份有限公司 | A kind of dehumidifying ventilated type outdoor electrical power distribution cabinet |
| CN111624501A (en) * | 2019-02-27 | 2020-09-04 | 中信国安盟固利动力科技有限公司 | Constant temperature box for constant temperature charging and discharging test of power battery |
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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 |
Granted publication date: 20131225 Termination date: 20150617 |
|
| EXPY | Termination of patent right or utility model |