External electrical cabinet of half-bridge mud scraper

Abstract

The utility model discloses a half-bridge mud scraper externally-hung electrical cabinet which comprises an electrical cabinet body installed on a bridge floor, heat dissipation openings are formed in the lower ends of the two sides of the electrical cabinet body, a draught fan is installed at the top end in the electrical cabinet body, and a filtering assembly is installed at the top of the electrical cabinet body. The filtering assembly comprises two ring blocks fixed to the opening in the top of the electrical cabinet body, the opening is located over the draught fan and internally provided with an electromagnetic valve plate, and the outer portions of the ring blocks are in threaded connection with protective cylinders. According to the utility model, through the installation of the filter assembly, when the internal humidity is relatively high, the fan is started and the electromagnetic valve plate is opened to introduce external air, and meanwhile, the air passes through the circular screen plate to filter dust and then passes through the porous sponge to absorb moisture, so that relatively dry air enters the interior of the electrical cabinet body; damage to electronic parts caused by too large internal moisture can be effectively avoided, and meanwhile, the porous sponge is convenient to replace and very practical.

Description

Technical Field

[0001] The utility model relates to the technical field of electrical cabinet design, in particular to an external electrical cabinet for a semi-bridge type mud scraper. Background Art

[0002] A semi-bridge scraper is a device used in circular sedimentation tanks in sewage treatment plants. It is mainly used to scrape the sludge settled at the bottom of the tank to the sludge pit for sludge return, concentration and dehydration. At the same time, it can also skim the scum on the liquid surface to the scum collecting bucket and discharge it out of the tank through the scum funnel for further processing. At present, an electrical cabinet is generally installed on the working bridge of the semi-bridge scraper to control the normal operation of structures such as small scraper plates, flow stabilizers, scraper trusses, overflow devices, and center support drive mechanisms. It is also responsible for receiving and processing signals from various sensors to achieve precise control of the scraper.

[0003] After searching, the applicant found that since the working environment of the half-bridge scraper is relatively humid, and the electrical cabinets are mostly equipped with openings for ventilation in order to dissipate heat, moisture in the air can easily enter the cabinet and accumulate, which can easily cause damage to the internal electronic equipment. Therefore, in view of this, the applicant needs to design an external electrical cabinet for the half-bridge scraper to solve the problem. Utility Model Content

[0004] The purpose of the utility model is to solve the problems raised in the above background, and to propose a semi-bridge type mud scraper external electrical cabinet.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A semi-bridge type scraper external electrical cabinet comprises an electrical cabinet body installed on the bridge deck, heat dissipation ports are provided at the lower ends of both sides of the electrical cabinet body, a fan is installed at the top of the interior of the electrical cabinet body, a filter assembly is installed at the top of the electrical cabinet body, the filter assembly comprises two ring blocks fixed at the top opening of the electrical cabinet body, the opening is located directly above the fan and an electromagnetic valve plate is installed inside, a protective tube is threadedly connected to the outside of the ring block, a circular mesh plate is fixed to the top of the protective tube, a pressure ring is fixed to the inner wall of the protective tube, and the bottom surface of the pressure ring is in contact with the porous sponge placed on the top surface of the ring block.

[0007] Preferably, the outer ends of the heat dissipation openings are designed to be inclined downward.

[0008] Preferably, a protective enclosure is fixed on the top of the electrical cabinet body, a door panel is hinged on the front opening of the protective enclosure, electric louvers are installed on the two side openings of the protective enclosure, and a baffle is fixed on the top surface of the protective enclosure.

[0009] Preferably, the bottom of the baffle is provided with two recesses corresponding to the positions of the protective tubes, electric heating tubes are installed inside the recesses, and a glass plate is fixed to the bottom surface of the recesses.

[0010] Preferably, a humidity sensor is installed in the internal top slot of the electrical cabinet body, and the humidity sensor is electrically connected to the fan, the solenoid valve plate and the electric louver.

[0011] Preferably, three rows of bracket plates are installed inside the electrical cabinet body, and a row of ventilation holes are respectively provided at both ends of the bracket plates.

[0012] Preferably, a placement box is fixed to the inner bottom end of the electrical cabinet body, an opening is provided on the front of the placement box, and a drawer box is slidably connected to the interior of the placement box.

[0013] Compared with the prior art, the utility model has the following advantages:

[0014] 1. The utility model installs a filter assembly. When the internal humidity is high, the fan is started and the solenoid valve plate is opened to introduce external air. At the same time, the air first passes through the circular mesh plate to filter dust, and then passes through the porous sponge to absorb moisture, so that relatively dry air enters the interior of the electrical cabinet body, and the humid air is discharged through the heat dissipation port, thereby effectively avoiding damage to electronic components caused by excessive internal moisture. At the same time, the porous sponge is easy to replace and is very practical;

[0015] 2. The utility model sets a protective enclosure, which cooperates with the electric louver, the solenoid valve plate and the baffle to protect the porous sponge and the circular mesh plate to prevent moisture and dust from affecting them when not working. When installing or replacing the porous sponge, just open the door panel, and when working, open the electric louver. Whenever the dehumidification work is completed, since the porous sponge is relatively moist, the electric heating tube can be started to heat through the glass plate to make the water in the porous sponge evaporate quickly, and then the electric louver can be closed, thereby effectively ensuring that the porous sponge is in a dry state each time dehumidification is performed. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the front three-dimensional structure of an external electrical cabinet for a half-bridge type scraper proposed by the utility model;

[0017] Figure 2 This is a front cross-sectional structural diagram of a semi-bridge type scraper external electrical cabinet proposed by the utility model;

[0018] Figure 3 This is a schematic diagram of the structure of a filter assembly of an external electrical cabinet of a semi-bridge type scraper proposed by the utility model;

[0019] Figure 4The utility model provides a three-dimensional split structure diagram of a filter assembly of an external electrical cabinet for a semi-bridge type scraper.

[0020] In the figure: 1. bridge deck; 2. electrical cabinet body; 21. heat dissipation port; 22. fan; 23. bracket plate; 24. ventilation hole; 25. placement box; 26. drawer box; 27. humidity sensor; 3. filter assembly; 31. ring block; 32. protective tube; 33. pressure ring; 34. porous sponge; 35. circular mesh plate; 4. protective enclosure; 41. baffle; 42. electric louver; 43. electric heating pipe; 44. glass plate. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0022] Reference Figures 1 to 4 A semi-bridge type scraper external electrical cabinet comprises an electrical cabinet body 2 installed on a bridge deck 1, heat dissipation ports 21 are arranged at the lower ends of both sides of the electrical cabinet body 2, a fan 22 is installed at the top of the electrical cabinet body 2, a filter assembly 3 is installed at the top of the electrical cabinet body 2, the filter assembly 3 comprises two ring blocks 31 fixed at the opening at the top of the electrical cabinet body 2, the opening is located directly above the fan 22 and an electromagnetic valve plate 28 is installed inside, a protective tube 32 is threadedly connected to the outside of the ring block 31, a circular mesh plate 35 is fixed on the top of the protective tube 32, a pressure ring 33 is fixed on the inner wall of the protective tube 32, and the bottom surface of the pressure ring 33 is in contact with a porous sponge 34 placed on the top surface of the ring block 31.

[0023] The specific operation is as follows. When in use, the electrical cabinet body 2 is installed at a suitable position on the top of the bridge deck 1 of the semi-bridge scraper to work, and then the porous sponge 34 is placed on the top of the ring block 31, and then the protective tube 32 is installed on the ring block 31. The internal pressure ring 33 of the protective tube 32 presses the porous sponge 34 to fix it. During use, the heat dissipation port 21 is used for ventilation and heat dissipation. When the internal humidity is high, start the fan 22 and open the solenoid valve plate 28 to introduce external air. At the same time, the air first passes through the circular mesh plate 35 to filter the dust, and then passes through the porous sponge 34 to absorb the moisture, so that relatively dry air enters the interior of the electrical cabinet body 2, and the humid air can be discharged through the heat dissipation port 21, thereby effectively avoiding damage to electronic components caused by excessive internal moisture. At the same time, the porous sponge 34 is easy to replace and is very practical.

[0024] A protective enclosure 4 is fixed on the top of the electrical cabinet body 2, a door panel is hinged on the front opening of the protective enclosure 4, and electric louvers 42 are installed on the openings on both sides of the protective enclosure 4. A baffle 41 is fixed on the top surface of the protective enclosure 4, and two recesses corresponding to the positions of the protective tube 32 are provided on the bottom of the baffle 41, an electric heating tube 43 is installed inside the recess, and a glass plate 44 is fixed to the bottom surface of the recess.

[0025] The specific operation is as follows: by designing the protective enclosure 4, the protective enclosure 4, together with the electric louver 42, the solenoid valve plate 28 and the baffle 41, can protect the porous sponge 34 and the circular mesh plate 35 to prevent moisture and dust from affecting them when not working. When installing or replacing the porous sponge 34, just open the door panel, and when working, open the electric louver 42. Whenever the dehumidification work is completed, since the porous sponge 34 is relatively moist, the electric heating tube 43 can be started to heat through the glass plate 44, so that the water in the porous sponge 34 evaporates quickly, and then the electric louver 42 can be closed, thereby effectively ensuring that the porous sponge 34 is in a dry state each time dehumidification is performed.

[0026] A humidity sensor 27 is installed in the internal top card slot of the electrical cabinet body 2. The humidity sensor 27 is electrically connected to the fan 22, the solenoid valve plate 28 and the electric louver 42. Three rows of bracket plates 23 are installed inside the electrical cabinet body 2. A row of ventilation holes 24 are provided at each end of the bracket plate 23. A placement box 25 is fixed to the bottom end of the interior of the electrical cabinet body 2. An opening is provided on the front of the placement box 25, and a drawer box 26 is slidably connected to the interior of the placement box 25. The outer ends of the heat dissipation ports 21 are all designed to be inclined downward.

[0027] The specific operation is as follows: in the optimized structural design of the electrical cabinet body 2, the humidity sensor 27 is used to detect the internal humidity. When the humidity is too high, the fan 22 can be automatically started and the solenoid valve plate 28 and the electric louver 42 can be opened for dehumidification. After the humidity returns to normal, the fan 22, the solenoid valve plate 28 and the electric louver 42 are closed after a delay, and during this time, the electric heating tube 43 completes the drying of the sponge, and the ventilation holes 24 on the bracket plate 23 facilitate airflow, and the drawer box 26 inside the placement box 25 facilitates the placement of spare porous sponges 34, so there is no need to carry extra when replacing, which is very convenient. Finally, the heat dissipation port 21 is tilted to reduce dust from entering the interior.

[0028] In the present invention, unless otherwise clearly defined and limited, the terms "slide", "rotate", "fix", "have" and the like should be understood in a broad sense, for example, it can be a welding connection, a bolt connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0029] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A semi-bridge type scraper external electrical cabinet, comprising an electrical cabinet body (2) mounted on a bridge deck (1), characterized in that: The lower ends of both sides of the electrical cabinet body (2) are provided with heat dissipation openings (21), a fan (22) is installed at the top of the interior of the electrical cabinet body (2), and a filter assembly (3) is installed at the top of the electrical cabinet body (2); The filter assembly (3) comprises two ring blocks (31) fixed at the top opening of the electrical cabinet body (2), the opening being located directly above the fan (22) and having a solenoid valve plate (28) installed therein, the ring block (31) being externally threadedly connected to a protective tube (32), a circular mesh plate (35) being fixed to the top of the protective tube (32), a pressure ring (33) being fixed to the inner wall of the protective tube (32), the bottom surface of the pressure ring (33) being in contact with a porous sponge (34) placed on the top surface of the ring block (31).

2. The semi-bridge type scraper external electrical cabinet according to claim 1 is characterized in that: The outer ends of the heat dissipation openings (21) are all designed to be inclined downward.

3. The semi-bridge type scraper external electrical cabinet according to claim 1 is characterized in that: A protective enclosure (4) is fixed on the top of the electrical cabinet body (2); a door panel is hingedly connected to the front opening of the protective enclosure (4); electric shutters (42) are installed on the openings on both sides of the protective enclosure (4); and a baffle (41) is fixed on the top surface of the protective enclosure (4).

4. The semi-bridge type scraper external electrical cabinet according to claim 3 is characterized in that: The bottom of the baffle (41) is provided with two recesses corresponding to the positions of the protective tube (32), the interior of the recesses is provided with electric heating pipes (43), and the bottom surface of the recesses is fixed with a glass plate (44).

5. The semi-bridge type scraper external electrical cabinet according to claim 3 is characterized in that: A humidity sensor (27) is installed in the internal top slot of the electrical cabinet body (2), and the humidity sensor (27) is electrically connected to the fan (22), the solenoid valve plate (28), and the electric louver (42).

6. The semi-bridge type scraper external electrical cabinet according to claim 1 is characterized in that: Three rows of bracket plates (23) are installed inside the electrical cabinet body (2), and a row of ventilation holes (24) are respectively provided at two ends of the bracket plates (23).

7. The semi-bridge type scraper external electrical cabinet according to claim 1 is characterized in that: A placement box (25) is fixed to the inner bottom end of the electrical cabinet body (2), an opening is provided on the front of the placement box (25), and a drawer box (26) is slidably connected to the interior of the placement box (25).

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