CN211655518U - An automatic detection and dehumidification device for the temperature and humidity of the panel cabinet of a pumped-storage power station - Google Patents

Abstract

The utility model discloses an automatic temperature and humidity detection and dehumidification device for a panel cabinet of a pumped-storage power station, comprising a panel cabinet, a box body is arranged on the outer side of the panel cabinet, and a temperature sensor and a humidity sensor are arranged on the inner side wall of the box body. A liquid crystal display screen is arranged on the outer side wall of the box body, a box door is arranged on the box body, a PLC controller is arranged on the box body, and a side wall of the box body is opened with a A through hole, an exhaust fan is arranged on the outer side wall of the box body, the position of the exhaust fan corresponds to the position of the through hole, the other side wall of the box body is provided with a water absorption plate, and the air Most of the water molecules are absorbed by the water absorption plate when flowing through the water absorption plate, so as to ensure that the air entering the box remains relatively dry, so as to achieve the purpose of reducing the humidity in the box; the water absorption plate is regularly replaced and recycled. This device solves the traditional technology The problem of poor dehumidification effect is that the overall structure is simple, the work is reliable, and it is easy to use and promote.

Description

An automatic detection and dehumidification device for the temperature and humidity of the panel cabinet of a pumped-storage power station

technical field

The utility model relates to the technical field of dehumidification devices, in particular to a dehumidification device for automatically detecting the temperature and humidity of a panel cabinet of a pumped-storage power station.

Background technique

A pumped-storage power station is a hydropower station that uses the electric energy when the power load is low to pump water to the upper reservoir, and then discharges water to the lower reservoir to generate electricity during the peak period of the power load. It is also called an energy-storage hydropower station. One of the instruments, because the instrument has been in a high humidity environment for a long time, the instrument itself is easy to get wet, and the instrument is easy to be damaged in the long run. Therefore, an automatic temperature and humidity detection and dehumidification device for the cabinet of the pumped storage power station has appeared.

The patent No. CN201822055976.5 discloses a technical solution for the automatic detection and dehumidification device for the temperature and humidity of the panel cabinet of the pumped storage power station. When the humidity sensor senses that the humidity in the drying cabin is greater than the set humidity, the PLC controller automatically starts the fan , through the fan to circulate, ventilate and dry the instrument in the air duct, and remove the moisture inside and outside the instrument. This device has certain shortcomings: the reason for the high temperature and humidity of the cabinet of the pumped storage power station is due to environmental factors. That is to say, the humidity of the surrounding air of the panel cabinet of the pumped-storage power station is relatively high, so simply using the fan to air-dry it can achieve limited effect. Humidity automatic detection dehumidification device to solve this problem.

Utility model content

The purpose of this utility model is to provide an automatic temperature and humidity detection and dehumidification device for a pumped-storage power station panel cabinet, so as to solve the problem of limited effect that can be achieved simply by using a fan to dry it in the above-mentioned background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: an automatic temperature and humidity detection and dehumidification device for a panel cabinet of a pumped-storage power station, including a panel cabinet, a box body is arranged on the outer side of the panel cabinet, and an inner side of the box body is provided. A temperature sensor and a humidity sensor are arranged on the wall, a liquid crystal display screen is arranged on the outer side wall of the box body, a box door is arranged on the box body, a PLC controller is arranged on the box body, and the box body is arranged A through hole is opened on one side wall of the box, and an exhaust fan is arranged on the outer side wall of the box. The position of the exhaust fan corresponds to the position of the through hole, and the other side of the box is provided with an exhaust fan. The side wall is provided with a water absorbing board, the water absorbing board is provided with a locking device, the water absorbing board is provided with a plurality of inserting boards, and a plurality of slots are provided on the box body corresponding to the inserting boards.

Preferably, the locking device includes a first square groove, the first square groove is opened on the side wall of the water absorbing plate, and the upper side wall of the first square groove is slidably connected with a locking The left surface of the locking frame is provided with a dial, the lower surface of the locking frame is connected with one end of a first compression spring, and the other end of the first compression spring is connected with the first square groove. The lower side walls are connected, and the box body is provided with a plurality of first locking grooves corresponding to the upper end of the locking frame, and the first locking grooves are matched with the upper end of the locking frame.

Preferably, the locking device includes a second square groove, the second square groove is opened on the side wall of the water absorbing plate, and a rotating shaft is laterally connected in the second square groove, and one end of the rotating shaft is provided with There is a friction ring on the rotating shaft of the steering wheel, a plurality of locking pins are slidably connected through the upper side wall of the second square groove, and the lower part of the locking pin is provided with a friction strip, and the friction ring is connected with the The lower end of the locking pin is provided with one end of the second compression spring, the other end of the second compression spring is connected with the lower side wall of the second square groove, and the box body corresponds to the The position of the locking pin is provided with a plurality of second locking grooves, and the second locking grooves are matched with the upper end of the locking pin.

Preferably, the water absorbing plate is a porous silica gel plate.

Preferably, the through holes are trapezoidal holes.

Preferably, a fingerprint lock is provided on the box door.

Preferably, a cylindrical cover is provided on the outer side wall of the box body at a position corresponding to the outside of the exhaust fan, and a plurality of one-way valves are provided on the cylindrical cover.

Compared with the prior art, the beneficial effect of the utility model is as follows: a dehumidification device for automatically detecting the temperature and humidity of the panel cabinet of a pumped-storage power station; The screen displays the corresponding number. When the humidity inside the box is too high, the inside of the box will form a negative pressure after the exhaust fan is activated, and the air will enter the inside of the box from the pores of the suction plate, so that the air inside the box will It can complete gas exchange with the air outside the box. When the air flows through the water-absorbing plate, most of the water molecules are absorbed by the water-absorbing plate to ensure that the air entering the box remains relatively dry, so as to achieve the purpose of reducing the humidity in the box; the water-absorbing plate regularly Replacement, recycling, the device solves the problem of poor dehumidification effect in the traditional technology, the overall structure is simple, the work is reliable, and it is easy to use and popularize.

Description of drawings

1 is a schematic front view of the utility model;

Fig. 2 is the front sectional structure schematic diagram of Embodiment 1 of the present utility model;

Fig. 3 is the left side view structure schematic diagram of the utility model embodiment 1;

Fig. 4 is the partial enlarged structural schematic diagram of the place A in Fig. 2 of the utility model;

Fig. 5 is the partial enlarged structure schematic diagram of the place B in Fig. 2 of the utility model;

Fig. 6 is the partial enlarged structure schematic diagram of C in Fig. 3 of the utility model;

Fig. 7 is the partial enlarged structural schematic diagram of D in Fig. 3 of the present utility model;

Fig. 8 is the front sectional structure schematic diagram of Embodiment 2 of the present utility model;

9 is a left-view structural schematic diagram of Embodiment 2 of the present utility model;

Fig. 10 is the partial enlarged structural schematic diagram of E in Fig. 8 of the present utility model;

FIG. 11 is a partial enlarged schematic view of the structure at F in FIG. 9 of the present invention.

In the picture: 1-panel cabinet, 2-box, 3-temperature sensor, 4-humidity sensor, 5-liquid crystal display, 6-box door, 7-through hole, 8-exhaust fan, 9-water absorption Plate, 10-Locking Device, 1001-First Square Slot, 1002-Locking Frame, 1003-Dial Block, 1004-First Compression Spring, 1005-First Locking Slot, 1006-Second Square Slot, 1007 -Rotating shaft, 1008-Control wheel, 1009-Friction ring, 1010-Locking pin, 1011-Friction strip, 1012-Second compression spring, 1013-Second locking groove, 11-Insert plate, 12-Slot, 13 -Cylinder hood.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Please refer to FIGS. 1-11 and FIG. 1-7 for Embodiment 1. The present utility model provides a technical solution: an automatic detection and dehumidification device for the temperature and humidity of a panel cabinet of a pumped-storage power station, including a panel 1, which is In the protection main body of the present invention, a box body 2 is arranged on the outer side of the panel cabinet 1, a temperature sensor 3 and a humidity sensor 4 are arranged on the inner side wall of the box body 2, and a liquid crystal display screen 5 is arranged on the outer side wall of the box body 2 , the temperature and humidity sensed by the two sensors are displayed in real time by the liquid crystal display screen 5, the box body 2 is provided with a box door 6, the box body 2 is provided with a PLC controller, and one side wall of the box body 2 is provided with a There is a through hole 7, an exhaust fan 8 is arranged on the outer side wall of the box body 2, the position of the exhaust fan 8 corresponds to the position of the through hole 7, and the other side wall of the box body 2 is provided with a water absorbing plate 9, which is A slot is formed at the installation position of the box body 2 corresponding to the water absorbing plate 9, the water absorbing plate 9 is installed in the groove, the water absorbing plate 9 is provided with a locking device 10, and the water absorbing plate 9 is provided with a number of inserting plates 11, corresponding to the box body 2. The position of the plug-in board 11 is provided with a number of slots 12, the contact part of the water absorption board 9 and the box body 2 is provided with a sealing gasket, and a good seal should be provided between the two, and the humidity sensor 4 and the PLC controller are connected by a data line. , The humidity sensed by the humidity sensor 4 is transmitted to the PLC controller through the wiring harness, and the PLC controller determines whether the indication meets the requirements. If the indication is too high, the PLC controller controls the exhaust fan 8 to work.

Specifically, the locking device 10 includes a first square groove 1001, the first square groove 1001 is opened on the side wall of the water absorbing plate 9, and the upper side wall of the first square groove 1001 is slidably connected with a locking frame 1002. , the left surface of the locking frame 1002 is provided with a dial 1003 , the lower surface of the locking frame 1002 is connected with one end of a first compression spring 1004 , and the other end of the first compression spring 1004 is connected to the lower side wall of the first square groove 1001 Connected, the box body 2 is provided with a plurality of first locking grooves 1005 corresponding to the upper end of the locking frame 1002 , and the first locking grooves 1005 are matched with the upper end of the locking frame 1002 .

Specifically, the water absorption plate 9 is a porous silica gel plate. When the air flows through the porous silica gel plate, most of the water molecules are absorbed, which can ensure that the air entering the box body 2 remains relatively dry.

Specifically, the through hole 7 is a trapezoidal hole, and this shape can guide the airflow to a certain extent and increase the smoothness of the air outlet.

Specifically, the box door 6 is provided with a fingerprint lock to improve the security of the box door 6 .

Specifically, a cylindrical cover 13 is provided on the outer side wall of the box body 2 at a position corresponding to the outside of the exhaust fan, and the cylindrical cover 13 is provided with several one-way valves. The arrangement of the cylindrical cover 13 and the one-way valve can make When the exhaust fan 8 is not working, the air cannot enter the box body 2 through the through hole 7, so as to avoid the convection of the air in the box body 2 when the exhaust fan 8 is not working, and increase the air in the box body 2 to maintain a dry state. duration.

Referring to FIGS. 8-11 in Embodiment 2, the difference between this embodiment and Embodiment 1 is that the locking device 10 includes a second square groove 1006 , the second square groove 1006 is opened on the side wall of the water absorbing plate 9 , and the second square groove 1006 is A rotating shaft 1007 is rotatably connected in the groove 1006. One end of the rotating shaft 1007 is provided with a steering wheel 1008. The water absorbing plate 9 is provided with a groove corresponding to the position of the steering wheel 1008 to satisfy the rotation of the steering wheel 1008. The rotating shaft 1007 is provided with a friction ring. 1009, a plurality of locking pins 1010 are slidably connected through the upper side wall of the second square groove 1006. The lower part of the locking pins 1010 is provided with a friction strip 1011, the friction ring 1009 is matched with the friction strip 1011, and the lower end of the locking pin 1010 is provided with a friction strip 1011. There is one end of the second compression spring 1012, the other end of the second compression spring 1012 is connected to the lower side wall of the second square groove 1006, and a plurality of second locking grooves 1013 are provided on the box 2 at the position corresponding to the locking pin 1010, The second locking groove 1013 is matched with the upper end of the locking pin 1010. The locking device 10 controls the opening and closing of the limit by rotating the steering wheel 1008, which can be flexibly selected by technicians in the prior art according to different operating habits.

Working principle: When the utility model is in use, the temperature and humidity inside the box 2 are sensed by the temperature sensor 3 and the humidity sensor 4, and are displayed in real time through the liquid crystal display 5, and the PLC controller controls the rotation of the exhaust fan 8, When the PLC controller judges that the reading sensed by the humidity sensor 4 is too high, it controls the exhaust fan 8 to work, the exhaust fan 8 rotates to generate a negative pressure in the box 2, and the outside air enters the box through the water absorption plate 9 2 inside, complete gas exchange. When the gas flows through the water absorption plate 9, most of the water molecules are absorbed by the water absorption plate 9, so that the air entering the box body 2 is kept relatively dry. When the humidity sensor 4 senses that the humidity of the box body 2 meets the usage standard, the signal is transmitted. To the PLC controller, the PLC controller controls the exhaust fan 8 to stop. Due to the setting of the one-way valve on the cylindrical cover 13, it is difficult for the air in the box 2 to form convection with the outside air, and the air in the box 2 can last for a long time. Keep the dry state; the water absorbing plate 9 is replaced regularly, and it is recycled after drying; the two embodiments are two different setting forms of the locking device 10. In the first embodiment, the locking device 10 is opened and closed by turning the dial 1003 ; In Embodiment 2, the opening and closing of the locking device 10 is realized by rotating the steering wheel 1008, and the two embodiments can be flexibly selected by the relevant personnel.

In the description of the present invention, unless otherwise expressly specified and limited, the terms "installed", "connected", "connected" and "fixed" should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection Connection, or integration; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the internal communication between two elements or the interaction relationship between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

The standard parts used in the utility model can be purchased from the market, the special-shaped parts can be customized according to the description in the specification and the attached drawings, and the specific connection method of each part adopts the mature bolts, rivets, welding, etc. in the prior art. Conventional means, machinery, parts and equipment all adopt conventional models in the prior art, and circuit connections adopt conventional connection methods in the prior art, which will not be described in detail here.

Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention , alternatives and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (7)

1. A dehumidification device for automatically detecting temperature and humidity of a panel cabinet of a pumped-storage power station, comprising a panel cabinet (1), characterized in that: the outer side of the panel cabinet (1) is provided with a box body (2), and the box body ( 2) A temperature sensor (3) and a humidity sensor (4) are arranged on the inner side wall of the box body (2), a liquid crystal display screen (5) is arranged on the outer side wall of the box body (2), and a liquid crystal display screen (5) is arranged on the outer side wall of the box body (2). A box door (6) is provided, a PLC controller is arranged on the box body (2), a through hole (7) is opened on one side wall of the box body (2), and the box body (2) An exhaust fan (8) is provided on the outer side wall of the box body, the position of the exhaust fan (8) corresponds to the position of the through hole (7), and the other side wall of the box body (2) is provided with an exhaust fan (8). There is a water-absorbing plate (9), a locking device (10) is arranged on the water-absorbing plate (9), a plurality of inserting plates (11) are arranged on the water-absorbing plate (9), and the box body (2) corresponds to A plurality of slots (12) are provided at the positions of the plug-in boards (11). 2. The device for automatically detecting and dehumidifying the temperature and humidity of a panel cabinet of a pumped-storage power station according to claim 1, wherein the locking device (10) comprises a first square groove (1001), and the first A square groove (1001) is opened on the side wall of the water absorbing plate (9), and a locking frame (1002) is slidably connected to the upper side wall of the first square groove (1001), and the locking frame The left surface of (1002) is provided with a dial (1003), the lower surface of the locking frame (1002) is connected with one end of a first compression spring (1004), and the other end of the first compression spring (1004) is connected to The lower side walls of the first square grooves (1001) are connected, and the box body (2) is provided with a plurality of first locking grooves (1005) at the positions corresponding to the upper ends of the locking frames (1002). A locking groove (1005) is matched with the upper end of the locking frame (1002). 3. The device for automatically detecting and dehumidifying the temperature and humidity of a panel cabinet of a pumped-storage power station according to claim 1, wherein the locking device (10) comprises a second square groove (1006), and the second square A groove (1006) is opened on the side wall of the water absorbing plate (9), a rotating shaft (1007) is connected laterally in the second square groove (1006), and one end of the rotating shaft (1007) is provided with a steering wheel ( 1008), the rotating shaft (1007) is provided with a friction ring (1009), the upper side wall of the second square groove (1006) is slidably connected with a plurality of locking pins (1010), the locking pins (1010) ) is provided with a friction strip (1011) at the lower part, the friction ring (1009) is matched with the friction strip (1011), and the lower end of the locking pin (1010) is provided with one end of a second compression spring (1012). , the other end of the second compression spring (1012) is connected to the lower side wall of the second square groove (1006), and a position corresponding to the locking pin (1010) is provided on the box (2) A plurality of second locking grooves (1013), the second locking grooves (1013) are matched with the upper end of the locking pin (1010). 4. The device for automatically detecting and dehumidifying the temperature and humidity of a panel cabinet of a pumped-storage power station according to claim 1, wherein the water absorbing plate (9) is a porous silica gel plate. 5. A dehumidification device for automatic detection of temperature and humidity in a panel cabinet of a pumped-storage power station according to claim 1, wherein the through hole (7) is a trapezoidal hole. 6 . The automatic temperature and humidity detection and dehumidification device for a panel cabinet of a pumped-storage power station according to claim 1 , wherein a fingerprint lock is provided on the box door ( 6 ). 7 . 7. A dehumidification device for automatically detecting temperature and humidity of a panel cabinet of a pumped-storage power station according to claim 1, characterized in that: the outer side wall of the box body (2) corresponds to the outside of the exhaust fan (8). A cylindrical cover (13) is provided at the position, and a plurality of one-way valves are arranged on the cylindrical cover (13).

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