CN217882367U - Electric power cabinet dehumidifier based on semiconductor refrigeration technology - Google Patents

Abstract

The utility model relates to a condensation dehumidification technical field specifically is an electric power cabinet dehumidifier based on semiconductor refrigeration technology. The air conditioner comprises a shell, a first partition plate and a second partition plate, wherein the first partition plate and the second partition plate divide the space in the shell into a refrigerating area, a heating area and a drying area from left to right; the semiconductor refrigerator is arranged on the first partition plate and comprises a refrigerating end and a heating end, the refrigerating end is located in the refrigerating area, and the heating end is located in the heating area. The air that humidity is big in the extraction cabinet internal portion of cabinet through the air exhauster carries the casing inside to dehumidify, the air after the dehumidification drying carries the cabinet internal portion once more, and can introduce the new trend, the air that humidity is big and new trend loop through the refrigeration region, heat regional and dry region, make the air that gets into the cabinet internal portion obtain enough drying, thereby guarantee the drying of the cabinet internal portion, make the circulation of air of the cabinet internal portion simultaneously, the dehumidification effect of the cabinet internal portion has been improved greatly.

Description

Electric power cabinet dehumidifier based on semiconductor refrigeration technology

Technical Field

The utility model relates to a condensation dehumidification technical field specifically is an electric power cabinet dehumidifier based on semiconductor refrigeration technology.

Background

The semiconductor refrigeration and dehumidification technology is based on the thermodynamic principle, namely the Peltier effect achieves the dehumidification effect, and can also be called as a thermoelectric refrigeration technology or a Peltier refrigeration technology. The working principle is that direct current voltage is applied to two ends of a P-N junction of a semiconductor refrigerating device, a refrigerating end and a heating end are formed at the two ends of the P-N junction respectively, and water in cold and wet air in the surrounding environment is condensed and dew when meeting cold and is separated out from the air after saturation, so that the dehumidifying effect is achieved.

The power cabinet refers to important power equipment which plays roles in switching, controlling or protecting and the like in power generation, power transmission, power distribution, electric energy conversion and consumption of a power system, such as a box-type substation, a switch cabinet, a distribution box, a transformer box or a transformer substation. Because the electric power cabinet generally sets up in the open air, therefore the inside external environment that receives easily of electric power cabinet influences, like inside humidity is too big and produce the condensation ponding even, will lead to the inside electric power short circuit that produces of electric power cabinet to influence electric power system's normal operation.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electric power cabinet dehumidifier based on semiconductor refrigeration technology can effectively reduce the humidity in the electric power cabinet, and is applicable to various electric power cabinets, like box-type substation, cubical switchboard, block terminal, transformer case or transformer substation etc..

To achieve the above objective, the present invention provides the following technical solutions: a power cabinet dehumidifier based on a semiconductor refrigeration technology comprises a shell, wherein a first partition plate and a second partition plate are installed in the shell, and divide the space in the shell into a refrigerating area, a heating area and a drying area from left to right;

a semiconductor refrigerator is arranged on the first partition plate and comprises a refrigerating end and a heating end, the refrigerating end is located in the refrigerating area, and the heating end is located in the heating area;

the shell is communicated with an air inlet pipe and an air outlet pipe, an exhaust fan is arranged in the air inlet pipe, wet air is introduced into the refrigerating area by the air inlet pipe, a first air inlet and a second air inlet are respectively formed in the first partition plate and the second partition plate, and the wet air sequentially passes through the refrigerating end, the heating end and the drying area;

the bottom of the refrigeration area is communicated with a water storage box.

Further, the utility model discloses in, the refrigeration end with heat and serve a plurality of copper guide plate of equal fixedly connected with, the refrigeration end makes the temperature reduction on the copper guide plate above that, the heat of making makes the temperature rise on the copper guide plate above that.

Further, the utility model discloses in, the one end and the electric power cabinet intercommunication of air-supply line, the one end and the electric power cabinet intercommunication of air-out pipe, it has the fresh air pipe still to communicate on the air-supply line.

Further, the utility model discloses in, fixedly connected with fixture block on the casing, the fixture block can insert in the draw-in groove of locating piece, the fixed setting of locating piece is on the power box cabinet.

Further, the utility model discloses in, first air intake is located the lower extreme of first baffle, the second air intake is located the upper end of second baffle, first air intake intercommunication has the guide duct, the intercommunication has the air guide nozzle on the guide duct, the air guide nozzle is loudspeaker form, the air guide nozzle is located the bottom in system hot junction.

Further, the utility model discloses in, be provided with two sets of supporting shoes in the dry zone territory, two sets of supporting shoes all with casing fixed connection, placed the moisture absorption net on the first set of supporting shoe, be provided with the moisture absorption cotton on the moisture absorption net, install the supporting network on the second set of supporting shoe, be provided with the drier on the supporting network.

Further, in the present invention, the drying agent is a 4A molecular sieve drying agent.

Further, the utility model discloses an, the said humidity transducer and controller that include, the said humidity transducer and semiconductor refrigerator are connected with controller separately;

the humidity sensor is used for detecting a humidity value in the power cabinet and sending the humidity value to the controller; the controller is used for receiving the humidity value and outputting a control signal corresponding to the humidity value to the semiconductor refrigerator; the control signal comprises a dehumidification signal or a standby signal, and the semiconductor refrigerator is used for receiving the control signal and executing the operation corresponding to the control signal.

Further, the utility model discloses in, the controller is the singlechip, and the singlechip receives the humidity value that comes from humidity transducer to the control signal that semiconductor cooler output and humidity value correspond realizes the control to the refrigerator.

Further, the utility model discloses in, be provided with first door and two second doors that open and shut on the casing, first door that opens and shuts corresponds the region of heating, and two second doors that open and shut correspond refrigeration region and dry area respectively.

The beneficial effects are that the technical scheme of this application possesses following technological effect: the utility model discloses an air exhauster extraction cabinet internal portion humidity is big air and carry the inside dehumidification that dehumidifies of casing, the air after the dehumidification drying carries the internal portion of case again, and can introduce the new trend, the air that humidity is big and new trend loop through the refrigeration region, heat region and dry region, make the air of the internal portion of entering case obtain enough drying, thereby guarantee the drying of the internal portion of case, make the circulation of air of the internal portion of case simultaneously, the dehumidification effect of the internal portion of case has been improved greatly, effectively avoided the internal electrical equipment surface of case to condense moisture, make electrical equipment insulating nature reduce, the problem that the security performance reduces.

It should be understood that all combinations of the foregoing concepts and additional concepts described in greater detail below may be considered as part of the inventive subject matter of this disclosure provided such concepts are not mutually inconsistent.

The foregoing and other aspects, embodiments and features of the present teachings can be more fully understood from the following description in conjunction with the accompanying drawings. Additional aspects of the present invention, such as features and/or advantages of exemplary embodiments, will be apparent from the description which follows, or may be learned by practice of the specific embodiments in accordance with the teachings of the present invention.

Drawings

The drawings are not intended to be drawn to scale. In the drawings, each identical or nearly identical component that is illustrated in various figures may be represented by a like numeral. For purposes of clarity, not every component may be labeled in every drawing. Embodiments of various aspects of the present invention will now be described, by way of example, with reference to the accompanying drawings, in which:

fig. 1 is the schematic view of the dehumidifier of the utility model installed on the distribution box.

Fig. 2 is the utility model discloses a schematic diagram of dehumidifier installation on the block terminal.

Fig. 3 is a schematic side sectional view of the dehumidifier of the present invention installed on the distribution box.

Fig. 4 is a schematic view of the dehumidifier of the present invention.

In the figures, the meaning of the reference numerals is as follows: 1. a housing; 2. an air inlet pipe; 3. an air outlet pipe; 4. a fresh air duct; 5. a water storage box; 6. a clamping block; 7. positioning blocks; 8. a distribution box; 9. a first opening and closing door; 10. a second opening and closing door; 11. an exhaust fan; 101. a first separator; 102. a second separator; 103. a refrigeration zone; 104. a heating area; 105. a drying zone; 106. a first air inlet; 107. a second air inlet; 108. a semiconductor refrigerator; 109. a refrigerating end; 110. heating end manufacturing; 111. a support net; 112. a wind guide nozzle; 113. an air guide pipe; 114. a support block; 115. a moisture-absorbing web.

Detailed Description

For a better understanding of the technical content of the present invention, specific embodiments are described below in conjunction with the accompanying drawings. In this disclosure, aspects of the present invention are described with reference to the accompanying drawings, in which a number of illustrative embodiments are shown. Embodiments of the present disclosure are not necessarily defined to include all aspects of the invention. It should be appreciated that the various concepts and embodiments described above, as well as those described in greater detail below, may be implemented in any of numerous ways, as the disclosed concepts and embodiments are not limited to any implementation. Additionally, some aspects of the present disclosure may be used alone or in any suitable combination with other aspects of the present disclosure.

As shown in fig. 1 to 4, the present embodiment provides a power cabinet dehumidifier based on a semiconductor refrigeration technology, where the power cabinet in the present embodiment is a distribution box, and taking a distribution box 8 as an example, the dehumidifier includes a housing 1, a first partition plate 101 and a second partition plate 102 are installed in the housing 1, and the first partition plate 101 and the second partition plate 102 divide a space in the housing 1 into a cooling area 103, a heating area 104, and a drying area 105 in sequence from left to right;

the semiconductor cooler 108 is mounted on the first partition 101, the semiconductor cooler 108 includes a cooling end 109 and a heating end 110, the cooling end 109 is located in the cooling area 103, and the heating end 110 is located in the heating area 104. And applying direct-current voltage to two ends of the P-N junction of the semiconductor refrigerator, wherein the temperature of one end is reduced to form a refrigerating end, and the temperature of the other end is increased to form a heating end. When the semiconductor refrigerator works, wet and cold air in the distribution box meets the refrigerating end 109 of the semiconductor refrigerator, water vapor in the air meets condensation dew to generate accumulated water, and the accumulated water is discharged out of the distribution box; the condensed air then reaches the heating end 110 of the semiconductor cooler, absorbs heat, and is discharged into the electrical box.

For the efficiency and the effect that increase the dehumidification, equal a plurality of copper guide plate of fixedly connected with on refrigeration end 109 and the heating end 110, refrigeration end 109 makes temperature reduction on its copper guide plate, and heating end 110 makes temperature rising on its copper guide plate, can increase the area of contact with the air through the copper guide plate, and then increases the efficiency and the effect of dehumidification.

An air inlet pipe 2 and an air outlet pipe 3 are communicated with the shell 1, one end of the air inlet pipe 2 is communicated with a distribution box 8, one end of the air outlet pipe 3 is communicated with the distribution box 8, a fresh air pipe 4 is also communicated with the air inlet pipe 2, an exhaust fan 11 is arranged in the air inlet pipe 2, wet air is introduced into a refrigerating area 103 through the air inlet pipe 2, a first air inlet 106 and a second air inlet 107 are respectively formed in a first partition plate 101 and a second partition plate 102, and the wet air sequentially passes through a refrigerating end 109, a heating end 110 and a drying area 105;

the bottom intercommunication of the regional 103 of refrigeration has water storage box 5, and water storage box 5 is used for storing the moisture of condensation, and water storage box 5 is provided with the drain pipe and then discharges moisture outside block terminal 8.

For the convenience of installation, fixedly connected with fixture block 6 on casing 1, fixture block 6 can insert in the draw-in groove of locating piece 7, and locating piece 7 is fixed to be set up on block terminal 8, can be with the quick installation of casing 1 on block terminal 8 through fixture block 6 and locating piece 7.

The first air inlet 106 is located at the lower end of the first partition plate 101, the second air inlet 107 is located at the upper end of the second partition plate 102, the first air inlet 106 is communicated with an air guide pipe 113, an air guide nozzle 112 is communicated with the air guide pipe 113, the air guide nozzle 112 is in a horn shape, the air guide nozzle 112 is located at the bottom of the heating end 110, and dehumidified air can be uniformly distributed on the heating end 110 through the air guide pipe 113 and the horn-shaped air guide nozzle 112.

Two groups of supporting blocks 114 are arranged in the drying area 105, the two groups of supporting blocks 114 are fixedly connected with the shell 1, a moisture absorption net 115 is placed on the first group of supporting blocks 114, moisture absorption cotton is arranged on the moisture absorption net 115, a supporting net 111 is installed on the second group of supporting blocks 114, a drying agent is arranged on the supporting net 111, the drying agent is a 4A molecular sieve drying agent, water vapor in the air can be further removed through the moisture absorption cotton and the drying agent, and the dehumidification effect is improved.

The semiconductor refrigerator control system further comprises a humidity sensor and a controller, wherein the humidity sensor and the semiconductor refrigerator 108 are respectively connected with the controller, the controller is a single chip microcomputer, and the single chip microcomputer receives a humidity value from the humidity sensor and outputs a control signal corresponding to the humidity value to the semiconductor refrigerator 108 to control the refrigerator;

the humidity sensor is used for detecting a humidity value in the distribution box and sending the humidity value to the controller; the controller is used for receiving the humidity value and outputting a control signal corresponding to the humidity value to the semiconductor refrigerator 108; the control signal includes a dehumidification signal or a standby signal, and the semiconductor refrigerator 108 is configured to receive the control signal and perform an operation corresponding to the control signal.

Further, the utility model discloses in, be provided with first door 9 and two second doors 10 that open and shut on casing 1, first door 9 that opens and shuts corresponds the region 104 that heats, and two second doors 10 that open and shut correspond respectively and refrigerate regional 103 and dry regional 105, are convenient for overhaul the dehumidifier of this embodiment through first door 9 and two second doors 10 that open and shut.

When using, in the refrigeration region is taken out to humid air and new trend in with block terminal 8 through air exhauster 11, and loop through heating region and drying area, refrigeration end 109 makes temperature reduction on its copper guide plate, humid cold air and new trend in the block terminal meet microthermal copper guide plate, steam in the air meets condensation dew, produce ponding, in the discharge water storage box 5, afterwards, air after the condensation passes through the heating end 110 that the wind-guiding mouth 112 of guide duct 113 and loudspeaker form reachd the semiconductor cooler, absorb heat, arrange in the drying area, can further detach the steam in the air through moisture absorption cotton and drier, improve dehumidification effect, dry air enters into in the block terminal 8 through outlet duct 3 at last.

This embodiment is through the big air of the inside humidity of air exhauster extraction block terminal and carry the inside dehumidification of casing, inside the air after the dehumidification drying is carried the block terminal once more, and can introduce the new trend, the big air of humidity and new trend loop through the refrigeration region, heat region and drying area, make the inside air of entering block terminal obtain enough drying, thereby guarantee the inside drying of block terminal, make the inside circulation of air of block terminal simultaneously, the inside dehumidification effect of block terminal has been improved greatly, the inside electrical equipment surface of block terminal moisture condensation has effectively been avoided, make the insulating nature of electrical equipment reduce, the problem that the security performance reduces.

The standard parts used in the present application document can be purchased from the market, and can be customized according to the description of the specification and the description of the attached drawings, the specific connection mode of each part adopts the conventional means such as bolts, rivets, welding and the like, the machinery, parts and equipment adopt the conventional type in the prior art, the control mode is automatically controlled by a controller, the control circuit of the controller can be realized by simple programming of technicians in the field, and the present application belongs to the common knowledge in the field, and is mainly used for protecting mechanical devices, so the control mode and the circuit connection are not explained in detail in the present application.

Although the present invention has been described with reference to the preferred embodiments, it is not intended to be limited thereto. The present invention is well known in the art and can be modified and decorated without departing from the spirit and scope of the present invention. Therefore, the protection scope of the present invention is subject to the claims.

Claims (10)

1. The utility model provides an electric power cabinet dehumidifier based on semiconductor refrigeration technique, includes casing (1), its characterized in that: a first partition plate (101) and a second partition plate (102) are installed in the shell (1), and the first partition plate (101) and the second partition plate (102) divide the space in the shell (1) into a refrigerating area (103), a heating area (104) and a drying area (105) from left to right;

a semiconductor refrigerator (108) is mounted on the first partition plate (101), the semiconductor refrigerator (108) comprises a refrigerating end (109) and a heating end (110), the refrigerating end (109) is positioned in the refrigerating area (103), and the heating end (110) is positioned in the heating area (104);

an air inlet pipe (2) and an air outlet pipe (3) are communicated with the shell (1), an exhaust fan (11) is arranged in the air inlet pipe (2), wet air is introduced into the refrigerating area (103) through the air inlet pipe (2), a first air inlet (106) and a second air inlet (107) are formed in the first partition plate (101) and the second partition plate (102) respectively, and the wet air sequentially passes through the refrigerating end (109), the heating end (110) and the drying area (105);

the bottom of the refrigeration area (103) is communicated with a water storage box (5).

2. The power cabinet dehumidifier based on the semiconductor refrigeration technology as claimed in claim 1, wherein: the heating and cooling end (109) and the heating end (110) are both fixedly connected with a plurality of copper guide plates, the temperature of the copper guide plates on the heating and cooling end (109) is reduced, and the temperature of the copper guide plates on the heating and cooling end (110) is increased.

3. The power cabinet dehumidifier based on the semiconductor refrigeration technology as claimed in claim 1, wherein: the air conditioner is characterized in that one end of the air inlet pipe (2) is communicated with the electric power cabinet, one end of the air outlet pipe (3) is communicated with the electric power cabinet, and the air inlet pipe (2) is further communicated with a fresh air pipe (4).

4. The power cabinet dehumidifier based on the semiconductor refrigeration technology as claimed in claim 1, wherein: fixedly connected with fixture block (6) on casing (1), in fixture block (6) can insert the draw-in groove of locating piece (7), locating piece (7) are fixed to be set up on the power box cupboard.

5. The power cabinet dehumidifier based on the semiconductor refrigeration technology as claimed in claim 1, wherein: the first air inlet (106) is located at the lower end of the first partition plate (101), the second air inlet (107) is located at the upper end of the second partition plate (102), the first air inlet (106) is communicated with an air guide pipe (113), an air guide nozzle (112) is communicated with the air guide pipe (113), the air guide nozzle (112) is horn-shaped, and the air guide nozzle (112) is located at the bottom of the heating end (110).

6. The power cabinet dehumidifier based on the semiconductor refrigeration technology as claimed in claim 1, wherein: two groups of supporting blocks (114) are arranged in the drying area (105), the two groups of supporting blocks (114) are fixedly connected with the shell (1), a moisture absorption net (115) is placed on the first group of supporting blocks (114), moisture absorption cotton is arranged on the moisture absorption net (115), a supporting net (111) is installed on the second group of supporting blocks (114), and a drying agent is arranged on the supporting net (111).

7. The power cabinet dehumidifier based on the semiconductor refrigeration technology as claimed in claim 6, wherein: the desiccant is a 4A molecular sieve desiccant.

8. The power cabinet dehumidifier based on the semiconductor refrigeration technology as claimed in claim 1, wherein: the refrigerator comprises a humidity sensor and a controller, wherein the humidity sensor and a semiconductor refrigerator (108) are respectively connected with the controller;

the humidity sensor is used for detecting a humidity value in the power cabinet and sending the humidity value to the controller; the controller is used for receiving the humidity value and outputting a control signal corresponding to the humidity value to the semiconductor refrigerator (108); the control signal comprises a dehumidification signal or a standby signal, and the semiconductor refrigerator (108) is used for receiving the control signal and executing the corresponding operation of the control signal.

9. The power cabinet dehumidifier based on the semiconductor refrigeration technology as claimed in claim 8, wherein: the controller is a single chip microcomputer, the single chip microcomputer receives the humidity value from the humidity sensor and outputs a control signal corresponding to the humidity value to the semiconductor refrigerator (108), and the refrigerator is controlled.

10. The power cabinet dehumidifier based on the semiconductor refrigeration technology as claimed in claim 1, wherein: the shell (1) is provided with a first opening and closing door (9) and two second opening and closing doors (10), the first opening and closing door (9) corresponds to the heating area (104), and the two second opening and closing doors (10) correspond to the refrigerating area (103) and the drying area (105) respectively.

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