CN111769461A

CN111769461A - Condensation device is prevented to outdoor distribution network cubical switchboard instrument case

Info

Publication number: CN111769461A
Application number: CN202010688507.6A
Authority: CN
Inventors: 邵凌志
Original assignee: Anhui Tongsheng Electric Power Technology Co ltd
Current assignee: Anhui Tongsheng Electric Power Technology Co ltd
Priority date: 2020-07-16
Filing date: 2020-07-16
Publication date: 2020-10-13

Abstract

The invention discloses an anti-condensation device for an instrument box of a switch cabinet of an outdoor power distribution network, which belongs to the technical field of the instrument box of the switch cabinet, and comprises a box body, wherein an instrument body is fixedly arranged on the inner wall of the bottom of the rear side of the box body, the outer walls of the bottoms of the left side and the right side of the box body are uniformly provided with vent holes, an installation barrel is inserted into the inner cavity of the vent holes, through holes are uniformly formed in the outer wall of one side, close to each other, of the installation barrel on the left side and the right side of the box body, the inner cavity of the installation barrel is provided with a drying layer, the outer walls of the tops of the left side and the right side of the box body are provided with openings, the installation barrel is inserted into the inner cavity of the vent holes.

Description

Condensation device is prevented to outdoor distribution network cubical switchboard instrument case

Technical Field

The invention relates to the technical field of switch cabinet instrument boxes, in particular to an anti-condensation device for an instrument box of an outdoor power distribution network switch cabinet.

Background

Along with the continuous development of society, the electric power facility increases gradually and uses widely, current distribution network cubical switchboard instrument box is when outdoor use, dispel the heat through the ventilation hole because of distribution network cubical switchboard instrument box needs, can make the outside air enter into the inside of equipment box, however because of external environment influences, like weather that the temperature difference change is big, humid weather and marine climate etc. lead to the inside condensation situation that takes place easily of equipment box, produce the potential safety hazard to the operation of instrument, for this reason, we propose an outdoor distribution network cubical switchboard instrument box and prevent condensation device.

Disclosure of Invention

The invention aims to provide an anti-condensation device for an instrument box of an outdoor power distribution network switch cabinet, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an outdoor distribution network cubical switchboard instrument case prevents condensation device, the power distribution network comprises a box body, box rear side bottom inner wall fixed mounting has instrument body, the ventilation hole has evenly been seted up to box left and right sides bottom outer wall, the installation section of thick bamboo, the left and right sides is pegged graft to ventilation hole inner chamber one side outer wall that the installation section of thick bamboo is close to each other has evenly seted up the through-hole, the installation section of thick bamboo inner chamber is provided with the drying layer, the trompil has all been seted up to box left.

Preferably, box left side central authorities inner wall and first humidity transducer fixed connection, box rear side central authorities inner wall and heater fixed connection, fixed mounting has the exhaust fan between the box left and right sides central authorities inner wall, fixed mounting has the baffle between the box left and right sides top inner wall, the exhaust hole has evenly been seted up to baffle bottom central authorities outer wall, first humidity transducer electrical output connects central processing unit, central processing unit electrical property input connection numerical value contrast module, central processing unit electrical output connects heater and exhaust fan respectively.

Preferably, the inner wall of the bottom of the left side and the right side of the box body is uniformly provided with a second humidity sensor, the outer wall of the bottom of the left side and the right side of the box body is uniformly provided with LED lamps, the second humidity sensor is electrically output and connected with a central processing unit, and the central processing unit is electrically output and connected with the LED lamps.

Preferably, four groups of supporting plates are fixedly mounted on the outer wall of the top of the partition plate, the top ends of the four groups of supporting plates are fixedly connected with the baffle, the exhaust holes are formed among the four groups of supporting plates, and an opening is formed in the outer wall of the top of each supporting plate.

Preferably, the vertical section of an installation section of thick bamboo is T shape, the mounting groove has all been seted up to both sides outer wall about the installation section of thick bamboo, mounting groove inner chamber slidable mounting has the fixed block, fixed mounting has supporting spring between fixed block and the mounting groove, fixed block outer wall and box inner wall laminating, the fixed block is close to one side outer wall and the locating piece fixed connection of installation section of thick bamboo, the mounting groove inner wall seted up with locating piece assorted constant head tank.

Preferably, the inner cavity of the mounting cylinder is provided with a supporting block, the supporting block is positioned on the inner side of the drying layer, and two groups of pull rods are fixedly mounted on the outer wall of one side, close to the drying layer, of the supporting block.

Preferably, a moving groove is formed in the outer wall of one side, away from the supporting block, of the pull rod, a moving rod is slidably mounted in the inner cavity of the moving groove, a pushing spring is fixedly mounted between the moving rod and the moving groove, a stop block is slidably mounted on the outer wall of one side, away from each other, of each of the left side installation cylinder and the right side installation cylinder, and the outer wall of one side, close to the installation cylinder, of the stop block is attached to the moving rod.

Preferably, the length of the vertical section of the fixed block is greater than that of the vertical section of the mounting groove, the width of the vertical section of the fixed block is smaller than that of the vertical section of the mounting groove, and the width of the vertical section of the positioning block is equal to that of the vertical section of the positioning groove.

Compared with the prior art, the invention has the beneficial effects that:

1. in the device, the mounting cylinder is inserted into the inner cavity of the vent hole, so that the drying layer filters and dehumidifies air entering the box body, most of moisture contained in the air is removed, the probability of condensation of the air in the box body is reduced, and devices in the box body can work normally;

2. the humidity of air in the box body is detected through the first humidity sensor, when the humidity is higher than a certain value, the central processing unit controls the heater and the exhaust fan to work to heat the air, so that the moisture in the air is prevented from being liquefied when meeting cold, the exhaust fan also accelerates to exhaust the air to the upper part of the partition plate, the probability of condensation at the instrument body of the instrument is further reduced, and the instrument box of the switch cabinet of the power distribution network is protected;

3. detect the air humidity through the dry layer through second humidity transducer, judge the drying effect on dry layer, if the humidity that detects is too big, then central processing unit control LED lamp is luminous, and the staff of being convenient for in time changes the dry layer.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the connection structure of the vent hole and the mounting cylinder according to the present invention;

FIG. 3 is a schematic diagram of the present invention;

FIG. 4 is a schematic view of the connection structure of the baffle plate and the baffle plate according to the present invention;

FIG. 5 is an enlarged view of the structure A of the present invention;

FIG. 6 is an enlarged view of the structure B of the present invention.

In the figure: 1. a box body; 2. an instrument body; 3. a vent hole; 4. mounting the cylinder; 5. drying the layer; 6. a second humidity sensor; 7. an LED lamp; 8. a first humidity sensor; 9. a heater; 10. an exhaust fan; 11. a partition plate; 12. opening a hole; 13. a baffle plate; 14. a support plate; 15. an exhaust hole; 16. a numerical value comparison module; 17. a central processing unit; 18. a support block; 19. a pull rod; 20. a stopper; 21. a travel bar; 22. a moving groove; 23. mounting grooves; 24. a fixed block; 25. a support spring; 26. positioning blocks; 27. and (6) positioning a groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1:

the invention provides a technical scheme that: an outdoor power distribution network switch cabinet instrument box condensation prevention device, please refer to fig. 1, which comprises a box body 1, wherein the box body 1 is the box body 1 of the power distribution network switch cabinet instrument box;

referring to fig. 1, an instrument body 2 is fixedly mounted on the inner wall of the bottom of the rear side of a box body 1, the instrument body 2 and the box body 1 form a distribution network switch cabinet instrument box, which is an electric power facility and is an existing device, vent holes 3 are uniformly formed in the outer walls of the bottoms of the left side and the right side of the box body 1, and external air enters the box body 1 through the vent holes 3, so that the box body 1 and the external air are subjected to gas exchange, and the inside of the box body 1 is subjected to heat dissipation;

referring to fig. 1 and 2, an installation cylinder 4 is inserted into an inner cavity of a vent hole 3, through holes are uniformly formed in the outer wall of one side, close to each other, of each of the left and right installation cylinders 4, so that air can pass through a drying layer 5 and the installation cylinder 4 and enter the inner cavity of a box body 1, the using effect of the vent hole 3 is guaranteed, the drying layer 5 is arranged in the inner cavity of the installation cylinder 4, the drying layer 5 is a drying agent and used for absorbing moisture in the air, specifically a calcium chloride drying agent, the air entering the box body 1 is dehumidified through the drying layer 5, most of moisture in the air is removed, the probability of condensation of the moisture in the box body 1 is reduced, the instrument body 2 is guaranteed to work normally, and the outer walls of the tops of the left and;

referring to fig. 1 and 4, four sets of support plates 14 are fixedly mounted on the outer wall of the top of the partition plate 11, the top ends of the four sets of support plates 14 are fixedly connected with the baffle 13, the exhaust holes 15 are located between the four sets of support plates 14, and the outer wall of the top of the support plates 14 is provided with an opening, so that if moisture in the air is condensed above the box body 1, the moisture is blocked by the partition plate 11, water drops are prevented from falling onto the instrument body 2 through the exhaust holes 15, the instrument body 2 is protected, and the condensed water falls onto the partition plate 11 and is then discharged from the opening 12;

referring to fig. 2 and 5, the vertical section of the mounting tube 4 is T-shaped, so that the mounting tube 4 cannot completely enter the inner cavity of the box body 1, the outer walls of the upper and lower sides of the mounting tube 4 are both provided with mounting grooves 23, the inner cavity of the mounting groove 23 is slidably provided with a fixing block 24, so that the fixing block 24 can only move up and down, a support spring 25 is fixedly arranged between the fixing block 24 and the mounting groove 23, the outer wall of the fixing block 24 is attached to the inner wall of the box body 1, the outer wall of one side of the fixing block 24 close to the mounting tube 4 is fixedly connected with a positioning block 26, the inner wall of the mounting groove 23 is provided with a positioning groove 27 matched with the positioning block 26, the fixing block 24 is moved inward, so that the fixing block 24 enters the inner cavity of the mounting groove 23, so that the fixing block 24 is not in contact with the inner wall of the, when the fixing block 24 enters the inner cavity of the mounting groove 23, the positioning block 26 can enter the inner cavity of the positioning groove 27, the fixing block 24 is fixed in the inner cavity of the mounting groove 23 through the friction force of the contact between the positioning block 26 and the positioning groove 27, the resetting of the fixing block 24 is avoided, the mounting cylinder 4 can conveniently enter and exit the vent hole 3, and the drying layer 5 can be conveniently replaced;

referring to fig. 2, a supporting block 18 is arranged in the inner cavity of the installation cylinder 4, a hole is also formed in the outer wall of the supporting block 18, so that air can pass through the hole, the supporting block 18 is located on the inner side of the drying layer 5, two groups of pull rods 19 are fixedly installed on the outer wall of one side, close to the drying layer 5, of the supporting block 18, the pull rods 19 are pulled outwards, so that the supporting block 18 moves the drying layer 5 out of the inner cavity of the installation cylinder 4, the drying layer 5 is used for replacing a new drying layer 5, and the installation cylinder 4 can be reused;

referring to fig. 2 and 6, a moving groove 22 is formed on the outer wall of one side of the pull rod 19 away from the support block 18, a moving rod 21 is slidably mounted in the inner cavity of the moving groove 22, the moving rod 21 can slide left and right, a pushing spring is fixedly mounted between the moving rod 21 and the moving groove 22, a stop 20 is slidably mounted on the outer wall of one side of the left and right mounting cylinders 4 away from each other, the stop 20 can move up and down on the mounting cylinders 4, and the outer wall of one side of the stop 20 close to the mounting tube 4 is jointed with the moving rod 21, the stop 20 is pulled outwards, so that the stop 20 is not contacted with the moving rod 21, the moving rod 21 is pushed outwards by the expansion of the pushing spring, one end of the moving rod 21 far away from the pushing spring extends to the outer side of the mounting cylinder 4, the pull rod 19 is convenient to move outwards by pulling the moving rod 21 to move outwards, so that the drying layer 5 is convenient to take out of the inner cavity of the mounting cylinder 4;

referring to fig. 2 and 5, the length of the vertical section of the fixing block 24 is greater than that of the vertical section of the mounting groove 23, so that a part of the fixing block 24 is located outside the mounting groove 4, the fixing block 24 is convenient to move outwards, the positioning block 26 is convenient to move out of the inner cavity of the positioning groove 27, the width of the vertical section of the fixing block 24 is smaller than that of the vertical section of the mounting groove 23, after the fixing block 24 enters the inner cavity of the mounting groove 23, the fixing block cannot contact with the inner wall of the box body 1, it is ensured that the mounting groove 4 can normally enter and exit the vent hole 3, the width of the vertical section of the positioning block 26 is equal to that of the vertical section of the positioning groove 27, and.

Example 2:

referring to fig. 1 and 3, based on embodiment 1, a left central inner wall of a box 1 is fixedly connected to a first humidity sensor 8, a rear central inner wall of the box 1 is fixedly connected to a heater 9, the heater 9 is a resistance wire heater, and is a heating device, which is a conventional device, an exhaust fan 10 is fixedly installed between left and right central inner walls of the box 1, a partition plate 11 is fixedly installed between left and right top inner walls of the box 1, exhaust holes 15 are uniformly formed in a central outer wall at the bottom of the partition plate 11, the first humidity sensor 8 is electrically connected to a central processing unit 17, the central processing unit 17 is electrically connected to a value comparison module 16, the central processing unit 17 is respectively electrically connected to the heater 9 and the exhaust fan 10, the air humidity inside the box 1 is detected by the first humidity sensor 8, when the air humidity inside the box 1 is greater than a standard value set by the value comparison module 16, the central processing unit 17 controls the exhaust fan 10 and the heater 9 to work, the heater 9 works to heat air, so that moisture in the air is preheated and does not condense, the air also rises quickly, meanwhile, the exhaust fan 10 works to accelerate the flow of internal air, so that the air is quickly exhausted above the partition plate 11, the probability of condensation of the moisture in the air at the instrument body 2 of the box body 1 is reduced, the normal operation of equipment is further ensured, and when the first humidity sensor 8 detects that the humidity of the air in the box body 1 is lower than a set standard value, the central processing unit 17 controls the exhaust fan 10 and the heater 9 to stop working;

referring to fig. 1, 2 and 3, the inner walls of the left and right bottom of the box 1 are uniformly provided with a second humidity sensor 6, the second humidity sensor 6 and the LED lamp 7 are all fixedly installed on the box 1, the electrical equipment is powered by an external power supply, the number of the second humidity sensor 6, the LED lamp 7 and the number of the vent holes 3 are matched, the outer walls of the left and right bottom of the box 1 are uniformly provided with the LED lamp 7, the LED lamp 7 emits red light, the second humidity sensor 6 is electrically connected with the central processing unit 17, the central processing unit 17 is electrically connected with the LED lamp 7, the second humidity sensor 6 detects the air humidity passing through the vent holes 3 and the drying layer 5, the quality of the drying layer 5 for filtering moisture is judged, if the detected moisture is greater than the standard value in the numerical value comparison module 16, the central processing unit 17 controls the LED lamp 7 to emit red light for prompting the staff, the corresponding drying layer 5 is replaced by the worker in time, and the using effect of the drying layer 5 is ensured;

have increased parts such as first humidity transducer 8, heater 9 and exhaust fan 10 for embodiment 1, detected the inside air humidity of box 1 through first humidity transducer 8, when the inside air humidity of box 1 was greater than the standard value that numerical value contrast module 16 set for, central processing unit 17 controlled exhaust fan 10 and heater 9 work, reduced the probability that moisture takes place the condensation in the instrument body 2 department of box 1 in the air, further guaranteed equipment normal operating.

The working principle is as follows: when the device works outdoors, the outside air enters the inner cavity of the box body 1 through the vent holes 3, the air entering the inner cavity of the box body 1 is dried through the drying layer 5 to remove most moisture contained in the air, the air is upwards discharged from the open holes 12 through the partition boards 11 to circularly radiate the inside of the box body 1, in the process, the first humidity sensor 8 can detect the air humidity inside the box body 1, if the air humidity exceeds a specified value, the central processor 17 controls the heater 9 and the exhaust fan 10 to work to heat the air, the exhaust fan 10 accelerates the air flow, so that the moisture in the air can not be liquefied and condensed inside the box body 1, the instrument body 2 is protected, the second humidity sensor 6 detects the air humidity passing through the drying layer 5, if the air humidity is high, the central processor 17 controls the LED lamp 7 to emit light, otherwise, the LED lamp 7 does not work and is used for prompting the staff.

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

Claims

1. The utility model provides an outdoor distribution network cubical switchboard instrument case prevents condensation device, includes box (1), its characterized in that: the utility model discloses a case, including box (1), ventilation hole (3) have evenly been seted up to box (1) rear side bottom inner wall fixed mounting has instrument body (2), ventilation hole (3) have evenly been seted up to box (1) left and right sides bottom outer wall, installation section of thick bamboo (4) are pegged graft to ventilation hole (3) inner chamber, the left and right sides one side outer wall that installation section of thick bamboo (4) are close to each other has evenly seted up the through-hole, installation section of thick bamboo (4) inner chamber is provided with dry layer (5), trompil (12).

2. The outdoor distribution network switch cabinet instrument box condensation preventing device of claim 1, wherein: box (1) left side central authorities inner wall and first humidity transducer (8) fixed connection, box (1) rear side central authorities inner wall and heater (9) fixed connection, fixed mounting has exhaust fan (10) between box (1) left and right sides central authorities inner wall, fixed mounting has baffle (11) between box (1) left and right sides top inner wall, exhaust hole (15) have evenly been seted up to baffle (11) bottom central authorities outer wall, first humidity transducer (8) electric output connection central processing unit (17), central processing unit (17) electric input connection numerical value contrast module (16), central processing unit (17) electric output connection heater (9) and exhaust fan (10) respectively.

3. The outdoor distribution network switch cabinet instrument box condensation preventing device of claim 2, wherein: the box (1) left and right sides bottom inner wall evenly is provided with second humidity transducer (6), box (1) left and right sides bottom outer wall evenly is provided with LED lamp (7), second humidity transducer (6) electric output connects central processing unit (17), central processing unit (17) electric output connects LED lamp (7).

4. The outdoor distribution network switch cabinet instrument box condensation preventing device of claim 2, wherein: four groups of supporting plates (14) are fixedly mounted on the outer wall of the top of the partition plate (11), the top ends of the four groups of supporting plates (14) are fixedly connected with the baffle (13), the exhaust holes (15) are located between the four groups of supporting plates (14), and an opening is formed in the outer wall of the top of each supporting plate (14).

5. The outdoor distribution network switch cabinet instrument box condensation preventing device of claim 1, wherein: the utility model discloses a mounting structure, including mounting cylinder (4), mounting groove (23) have all been seted up to the both sides outer wall about mounting cylinder (4), mounting groove (23) inner chamber slidable mounting has fixed block (24), fixed mounting has supporting spring (25) between fixed block (24) and mounting groove (23), fixed block (24) outer wall laminates with box (1) inner wall mutually, one side outer wall and locating piece (26) fixed connection that fixed block (24) are close to mounting cylinder (4), mounting groove (23) inner wall seted up with locating piece (26) assorted constant head tank (27).

6. The outdoor distribution network switch cabinet instrument box condensation preventing device of claim 1, wherein: the inner cavity of the mounting cylinder (4) is provided with a supporting block (18), the supporting block (18) is positioned on the inner side of the drying layer (5), and two groups of pull rods (19) are fixedly mounted on the outer wall of one side, close to the drying layer (5), of the supporting block (18).

7. The outdoor distribution network switch cabinet instrument box condensation preventing device of claim 6, wherein: draw bar (19) keep away from one side outer wall of tray (18) and seted up shifting chute (22), shifting chute (22) inner chamber slidable mounting has carriage release lever (21), fixed mounting has the promotion spring between carriage release lever (21) and shifting chute (22), and the equal slidable mounting of one side outer wall that left and right sides installation section of thick bamboo (4) kept away from each other has dog (20), and dog (20) are close to one side outer wall and the laminating of carriage release lever (21) of installation section of thick bamboo (4) mutually.

8. The outdoor distribution network switch cabinet instrument box condensation preventing device of claim 5, wherein: the length of the vertical section of the fixed block (24) is greater than that of the vertical section of the mounting groove (23), the width of the vertical section of the fixed block (24) is less than that of the vertical section of the mounting groove (23), and the width of the vertical section of the positioning block (26) is equal to that of the vertical section of the positioning groove (27).