Electrician instrument with good moisture resistance

Abstract

The utility model relates to the technical field of electrical instruments, in particular to an electrical instrument with good moisture resistance, which comprises an instrument main body, a mounting groove arranged on the instrument main body, a plurality of wiring joints fixedly mounted in the mounting groove, a hinge arranged on the instrument main body, and a protective sleeve fixedly mounted on the hinge. The size of the protecting sleeve corresponds to the size of the mounting groove, a sealing strip is fixedly installed on the instrument body, the sealing strip makes contact with the periphery of the protecting sleeve when the protecting sleeve is closed, an instrument panel is fixedly installed on the instrument body, and air outlets are formed in the two sides of the instrument body. According to the device, wind power is transmitted to the wind catcher to enable the rotating shaft to rotate, the wind power sensor judges that the negative-pressure fan works normally, if the negative-pressure fan breaks down, the wind catcher loses wind power to push the rotating shaft to stop rotating, and the wind power sensor judges that the negative-pressure fan breaks down and transmits a signal to the alarm. And the alarm gives out a sound to remind a worker to repair and replace the negative pressure fan.

Description

Technical Field

[0001] The utility model relates to the technical field of electrical instruments, in particular to an electrical instrument with good moisture-proof performance. Background Technique

[0002] In the electrical field, instruments are often used in humid environments, such as basements, outdoors or places close to water sources. Due to the lack of effective moisture-proof measures, traditional instruments are easily eroded by water vapor, resulting in damage to internal electronic components, affecting measurement accuracy, and even causing potential safety hazards.

[0003] A Chinese patent with the publication number CN216870619U discloses an electrical instrument with good moisture-proof performance. The patent includes an instrument main body and a bottom plate located at the bottom of the instrument main body. A placement plate is arranged at the bottom of the instrument main body. A placement groove is opened on the upper surface of the placement plate. The bottom of the instrument main body is placed in the placement groove. Connecting columns are fixed at the bottom of the placement plate. The beneficial effects of this patent are as follows: By arranging a placement plate at the bottom of the instrument main body and opening a placement groove on the placement plate, the instrument main body is placed inside the placement groove. The placement plate can block the water flow, avoiding the water flow from flowing into the instrument main body when the instrument main body is used on the tabletop, and having a good moisture-proof effect; By arranging the bottom plate, the bottom plate and the placement plate are inserted through a connecting seat and a connecting column, and the height of the instrument main body is raised by the bottom plate, improving the moisture-proof performance of the instrument main body; An installation groove is opened on the bottom plate, and a drying fan is installed inside the installation groove. The drying fan blows air towards the instrument main body through the ventilation openings on the placement plate, which can dry the instrument main body and has a good moisture-proof effect.

[0004] Based on the above search and combined with the prior art, it is found that:

[0005] The drying fan of the existing device blows air towards the instrument main body through the ventilation openings on the placement plate, which can dry the instrument main body. However, the drying fan may be damaged during long-term use, but it cannot timely remind the staff to discover and replace it, which may cause damage due to the internal moisture of the instrument. The existing device has limitations during use. Content of the Utility Model

[0006] In order to solve the above technical problems, the utility model proposes an electrical instrument with good moisture-proof performance. Through the closed protective sleeve and sealed by the sealing strip, the wiring joint can be protected from moisture. The negative pressure fan blows air inside, and the wind force is transmitted to the air-catching hopper to make the rotating shaft rotate. The wind force sensor judges that the negative pressure fan is working normally. If the negative pressure fan fails, the air-catching hopper loses the wind force to push the rotation of the rotating shaft to stop. The wind force sensor judges that the negative pressure fan has a fault and transmits the signal to the alarm. The alarm makes a sound to remind the staff to repair and replace the negative pressure fan, which can solve the problem that the staff cannot timely discover the fault, resulting in damage caused by the internal moisture of the instrument.

[0007] The technical solution for achieving the purpose of the present utility model is as follows: An electrical instrument with good moisture-proof performance, including an instrument main body. An installation groove is provided on the instrument main body. A plurality of wiring connectors are fixedly installed inside the installation groove. A hinge is provided on the instrument main body. A protective sleeve is fixedly installed on the hinge. The size of the protective sleeve corresponds to the size of the installation groove. A sealing strip is fixedly installed on the instrument main body. When the protective sleeve is closed, the sealing strip contacts the periphery of the protective sleeve. A dashboard is fixedly installed on the instrument main body. Air outlets are provided on both sides of the instrument main body.

[0008] In some embodiments, an air inlet box is fixedly connected to the bottom of the instrument main body. A negative pressure fan is fixedly installed on the air inlet box. A wind sensor is fixedly installed inside the air inlet box. A rotating shaft is rotatably connected to the wind sensor. A plurality of wind-catching hoppers are fixedly installed on the rotating shaft.

[0009] In some embodiments, an alarm is fixedly installed on the air inlet box. The alarm is electrically connected to the wind sensor. The other side of the air inlet box is communicated with an air inlet pipe.

[0010] In some embodiments, a drying box is fixedly connected to the bottom of the instrument main body. A partition is fixedly connected inside the drying box. The air inlet pipe is located on one side of the partition. The other end of the air inlet pipe penetrates through the drying box and is communicated with the inside of the instrument main body. A pull-out box is movably connected to the other side of the partition. A handle is fixedly connected to the pull-out box.

[0011] In some embodiments, a plurality of openings are provided on the drying box. The plurality of openings communicate the inside of the instrument main body with the drying box. A plurality of support columns are fixedly installed on the side of the drying box where the openings are provided. The other ends of the plurality of support columns are commonly connected to a placement table.

[0012] Compared with the prior art, the present utility model has the following remarkable advantages:

[0013] Firstly: After the wind enters the air inlet box, the wind force is transmitted to the wind-catching hoppers to make the rotating shaft rotate. The wind sensor judges that the negative pressure fan is working normally. If the negative pressure fan fails, the wind-catching hoppers lose the wind push, the rotation of the rotating shaft stops, the wind sensor judges that the negative pressure fan has failed, and transmits the signal to the alarm. The alarm emits a sound to remind the staff to repair or replace the negative pressure fan.

[0014] Second: By adding a desiccant inside the drawer box, the present utility model can dry the inside of the instrument main body. The humid air inside the instrument main body enters the drying box through the opening and is dried by the desiccant inside the drawer box, playing a moisture-proof role. Pulling out the drawer box allows for the replacement of the desiccant. Relevant components of the instrument can be installed on the placement table provided inside the instrument main body. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The present utility model will be further explained below in conjunction with the drawings and embodiments:

[0016] Figure 1 is a schematic diagram of the overall three-dimensional structure from the first perspective provided by the present utility model in one embodiment;

[0017] Figure 2 is a schematic diagram of the overall three-dimensional structure from the second perspective provided by the present utility model in one embodiment;

[0018] Figure 3 is a schematic diagram of the structure of the placement table provided by the present utility model in one embodiment;

[0019] Figure 4 is a schematic diagram of the overall sectional structure provided by the present utility model in one embodiment;

[0020] Figure 5 is a schematic diagram of the structure of the wind sensor provided by the present utility model in one embodiment.

[0021] Explanation of reference numerals: 1, instrument main body; 2, installation groove; 3, wiring connector; 4, hinge; 5, protective sleeve; 6, sealing strip; 7, instrument panel; 8, air outlet; 9, air inlet box; 10, negative pressure fan; 11, wind sensor; 12, rotating shaft; 13, wind-catching funnel; 14, alarm; 15, air inlet pipe; 16, drying box; 17, partition board; 18, drawer box; 19, handle; 20, opening; 21, support column; 22, placement table. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0022] The present utility model will be described in detail below. The technical solutions in the embodiments of the present utility model are clearly and completely described. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of them. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0023] The present utility model provides an electrician instrument with good moisture-proof performance through improvement. The technical solution of the present utility model is:

[0024] As Figures 1 - 5As shown in the figure, an electrical instrument with good moisture-proof performance includes an instrument main body 1. An installation groove 2 is formed on the instrument main body 1. A plurality of wiring connectors 3 are fixedly installed inside the installation groove 2. A hinge 4 is arranged on the instrument main body 1. A protective sleeve 5 is fixedly installed on the hinge 4. The size of the protective sleeve 5 corresponds to the size of the installation groove 2. A sealing strip 6 is fixedly installed on the instrument main body 1. When the protective sleeve 5 is closed, the sealing strip 6 is in contact with the periphery of the protective sleeve 5. A dashboard 7 is fixedly installed on the instrument main body 1. Air outlets 8 are formed on both sides of the instrument main body 1. An air inlet box 9 is fixedly connected to the bottom of the instrument main body 1. A negative pressure fan 10 is fixedly installed on the air inlet box 9. A wind sensor 11 is fixedly installed inside the air inlet box 9. A rotating shaft 12 is rotatably connected to the wind sensor 11. A plurality of wind-catching hoppers 13 are fixedly installed on the rotating shaft 12. An alarm 14 is fixedly installed on the air inlet box 9. The alarm 14 is electrically connected to the wind sensor 11. The other side of the air inlet box 9 is communicated with an air inlet pipe 15. A plurality of wiring connectors 3 are installed on the instrument main body 1 of this device, and moisture-proof protection is also required during storage. A protective sleeve 5 is connected through a hinge 4. When storing the device, the protective sleeve 5 is closed. The contact between the protective sleeve 5 and the sealing strip 6 plays a sealing role, which can achieve the purpose of moisture-proof for the wiring connectors 3. The dashboard 7 installed on the instrument main body 1 can observe data during use. A negative pressure fan 10 is installed on the air inlet box 9 installed at the bottom of the instrument main body 1. The negative pressure fan 10 blows air inside, and the air enters the instrument main body 1 through the air inlet pipe 15 and then is discharged from the air outlets 8, which can ensure air circulation and prevent moisture. After the air enters the air inlet box 9, the wind force is transmitted to the wind-catching hoppers 13 to make the rotating shaft 12 rotate. The wind sensor 11 judges that the negative pressure fan 10 is working normally. If the negative pressure fan 10 fails, the wind-catching hoppers 13 lose the wind force to push, the rotation of the rotating shaft 12 stops, the wind sensor 11 judges that the negative pressure fan 10 has failed, and transmits the signal to the alarm 14. The alarm 14 emits a sound to remind the staff to repair or replace the negative pressure fan 10, which can solve the problem that the staff cannot find the fault in time, resulting in damage caused by moisture inside the instrument.

[0025] As Figures 1 - 4As shown in the figure, a drying box 16 is fixedly connected to the bottom of the instrument main body 1. A partition 17 is fixedly connected inside the drying box 16. The air inlet pipe 15 is located on one side of the partition 17. The other end of the air inlet pipe 15 penetrates through the drying box 16 and is communicated with the inside of the instrument main body 1. A pull-out box 18 is movably connected to the other side of the partition 17. A handle 19 is fixedly connected to the pull-out box 18. A plurality of openings 20 are formed in the drying box 16, and the plurality of openings 20 communicate the inside of the instrument main body 1 with the drying box 16. A plurality of support columns 21 are fixedly installed on the side of the drying box 16 provided with the openings 20. The other ends of the plurality of support columns 21 are commonly connected to a placement table 22. A drying box 16 is also installed at the bottom of the instrument main body 1. The pull-out box 18 can be pulled in the drying box 16. By adding a desiccant inside the pull-out box 18, the inside of the instrument main body 1 can be dried. The humid air inside the instrument main body 1 enters the drying box 16 through the openings 20 and is dried by the desiccant inside the pull-out box 18, playing a moisture-proof role. The pull-out box 18 can be pulled out to replace the desiccant. The relevant components of the instrument can be installed on the placement table 22 provided inside the instrument main body 1.

[0026] The specific working method is as follows: A plurality of wiring connectors 3 are installed on the instrument main body 1 of this device. Moisture-proof protection is also required during storage. A protective cover 5 is connected through a hinge 4. When storing the device, the protective cover 5 is closed. The protective cover 5 contacts the sealing strip 6 to play a sealing role, which can achieve the purpose of moisture-proof for the wiring connectors 3. The instrument panel 7 installed on the instrument main body 1 can observe data during use. A negative pressure fan 10 is installed on the air inlet box 9 installed at the bottom of the instrument main body 1. The negative pressure fan 10 blows air inside, and the air enters the inside of the instrument main body 1 through the air inlet pipe 15 and then is discharged from the air outlet 8, which can ensure air circulation and prevent moisture. After the air enters the air inlet box 9, the wind force is transmitted to the wind-catching hopper 13 to make the rotating shaft 12 rotate. The wind force sensor 11 judges that the negative pressure fan 10 is working normally. If the negative pressure fan 10 fails, the wind-catching hopper 13 loses the wind force to push, the rotation of the rotating shaft 12 stops, and the wind force sensor 11 judges that the negative pressure fan 10 has a fault and transmits the signal to the alarm 14. The alarm 14 emits a sound to remind the staff to repair and replace the negative pressure fan 10, which can solve the problem that the staff cannot find the fault in time, resulting in damage caused by the instrument being affected by moisture inside. A drying box 16 is also installed at the bottom of the instrument main body 1. The pull-out box 18 can be pulled in the drying box 16. By adding a desiccant inside the pull-out box 18, the inside of the instrument main body 1 can be dried. The humid air inside the instrument main body 1 enters the drying box 16 through the openings 20 and is dried by the desiccant inside the pull-out box 18, playing a moisture-proof role. The pull-out box 18 can be pulled out to replace the desiccant. The relevant components of the instrument can be installed on the placement table 22 provided inside the instrument main body 1.

[0027] The technical means disclosed by the solution of the present utility model are not limited to those disclosed by the above-mentioned technical means, but also include technical solutions composed of equivalent replacements of the above technical features. Matters not covered by the present utility model belong to the common general knowledge of those skilled in the art.

Claims

1. An electrical instrument with good moisture-proof performance, comprising an instrument body (1), characterized in that: The instrument body (1) is provided with a mounting groove (2), a plurality of wiring joints (3) are fixedly installed inside the mounting groove (2), the instrument body (1) is provided with a hinge (4), a protective cover (5) is fixedly installed on the hinge (4), the size of the protective cover (5) corresponds to the size of the mounting groove (2), a sealing strip (6) is fixedly installed on the instrument body (1), and when the protective cover (5) is closed, the sealing strip (6) and the periphery of the protective cover (5) are in contact with each other, an instrument panel (7) is fixedly installed on the instrument body (1), and air outlets (8) are provided on both sides of the instrument body (1).

2. The electrical instrument with good moisture-proof performance according to claim 1, characterized in that: The bottom of the instrument body (1) is fixedly connected to an air inlet box (9), a negative pressure fan (10) is fixedly installed on the air inlet box (9), a wind sensor (11) is fixedly installed inside the air inlet box (9), a rotating shaft (12) is rotatably connected to the wind sensor (11), and a plurality of wind catchers (13) are fixedly installed on the rotating shaft (12).

3. The electrical instrument with good moisture-proof performance according to claim 2, characterized in that: An alarm (14) is fixedly mounted on the air inlet box (9), the alarm (14) is electrically connected to the wind sensor (11), and the other side of the air inlet box (9) is connected to an air inlet pipe (15).

4. The electrical instrument with good moisture-proof performance according to claim 3, characterized in that: The bottom of the instrument body (1) is fixedly connected to a drying box (16), the interior of the drying box (16) is fixedly connected to a partition (17), the air inlet pipe (15) is located on one side of the partition (17), the other end of the air inlet pipe (15) passes through the drying box (16) and is connected to the interior of the instrument body (1), the other side of the partition (17) is movably connected to a pull-out box (18), and the pull-out box (18) is fixedly connected to a handle (19).

5. The electrical instrument with good moisture-proof performance according to claim 4, characterized in that: The drying box (16) is provided with a plurality of openings (20), the plurality of openings (20) connecting the interior of the instrument body (1) with the drying box (16), a plurality of support columns (21) being fixedly mounted on one side of the drying box (16) provided with the openings (20), the other ends of the plurality of support columns (21) being commonly connected to a placement table (22).

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