Junction box protection device for refrigeration compressor

Abstract

The invention relates to the technical field of refrigeration compressors, and discloses a junction box protection device for a refrigeration compressor, the junction box protection device comprises a refrigeration compressor body, a power panel is arranged on the outer end face of the refrigeration compressor body, and a protection mechanism, a dehumidification mechanism and an assembly mechanism are arranged on the outer side face of the power panel; the protection mechanism comprises a driving part and a protection part; the protection part is located on the inner side face of the driving part. Through the protection mechanism, a rotating handle in a driving part is utilized, so that the rotating handle rotates to drive a threaded rod, the threaded rod drives a threaded block, and the threaded block drives an upper closing plate, so that the upper closing plate slides out of a through groove, a movable plate performs angle change under the action of a polished rod, the top of the junction box is opened, and wires of the junction box are placed above a lower closing plate; therefore, the upper plywood and the lower plywood are enabled to protect the wires through reverse operation, and the junction box and the wires are effectively protected from being damaged by external environments, such as dust, moisture, corrosive substances and the like.

Description

Technical Field

[0001] The invention relates to the technical field of refrigeration compressors, in particular to a junction box protection device for refrigeration compressors. Background Art

[0002] As is known in the industry, refrigeration compressors used in refrigerators, freezers, food freezer display cabinets and other electrical appliances require the installation of accessories such as starters and overload protectors outside the body, and are connected to the power supply by wiring. Therefore, a junction box is usually provided on the compressor. The junction box ensures the neat assembly of the system and can also protect the aforementioned accessories and wiring from the influence of the external environment, thereby ensuring the working reliability of the compressor.

[0003] Compared with the existing technology: the erosion of the external environment will accelerate the aging process of the line, leading to problems such as line breakage and loose joints, increasing the equipment failure rate. Dust and corrosive substances may adhere to the lines and joints, resulting in poor electrical contact and increased resistance, thereby affecting the current transmission efficiency. Moisture intrusion may cause line short circuit or insulation damage, causing electrical failures or even fires.

[0004] Therefore, a terminal box protection device for a refrigeration compressor is proposed. Summary of the invention

[0005] The object of the present invention is to provide a terminal box protection device for a refrigeration compressor to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned object, the present invention provides the following technical solutions: a terminal box protection device for a refrigeration compressor, comprising a refrigeration compressor body, the outer end surface of the refrigeration compressor body is provided with a power board, and the outer side surface of the power board is provided with a protection mechanism, a dehumidification mechanism and an assembly mechanism; The protection mechanism comprises a driving part and a protection part; The protection part is located on the inner side of the driving part; The dehumidification mechanism includes a dehumidification part and an adsorption part; The adsorption part is located on the inner side of the dehumidification part; The assembly mechanism comprises a clamping portion and an assembly portion; The assembling portion is located on the inner side of the clamping portion.

[0007] Preferably, the driving part includes a junction box, the junction box is located on the right side of the power board, the outer side of the junction box is provided with a slide groove, the top surface of the junction box is provided with a through groove, the outer side of the junction box is provided with a drying groove, the outer side of the junction box is provided with a drive box, the drive box is fixedly connected to the junction box, a turning handle is provided above the drive box, and a threaded rod is provided on the bottom end surface of the turning handle.

[0008] Preferably, the turning handle is fixedly connected to the threaded rod, the threaded rod extends through and reaches the inner side of the driving box, the threaded rod is threadedly connected to the inner wall of the driving box, the bottom end surface of the threaded rod is rotatably connected to the inner side of the driving box via a bearing seat, the surface of the threaded rod is sleeved with a threaded block, and the threaded block is threadedly connected to the turning handle.

[0009] Preferably, the protective part includes an upper closing plate, which is located on the inner side of the junction box, and the outer sides of the upper closing plate are fixedly connected to the inner side of the threaded block, and the threaded block is slidably connected to the slide groove, and a lower closing plate is arranged below the upper closing plate, and the lower closing plate is fixedly connected to the junction box, and the upper closing plate is slidably connected to the through groove.

[0010] Preferably, a movable plate is arranged above the lower closing plate, a polished rod is arranged through the inner wall of the movable plate, the polished rod is movably connected to the movable plate, vertical plates are arranged on the outer end surfaces of the polished rods, the vertical plates are fixedly connected to the polished rods, and the vertical plates are fixedly connected to the top surface of the junction box, and the sealing and protection effects are achieved through the driving part and the protection part in the protection mechanism.

[0011] Preferably, the dehumidification unit includes a drying box, screws are arranged at the front and rear of the drying box, the drying box is fixedly connected to the junction box, the outer end surfaces of the drying box are connected to an air inlet pipe, the inner walls of the air inlet pipe are arranged with a micro exhaust fan, the micro exhaust fan is fixedly connected to the air inlet pipe, and the micro exhaust fan.

[0012] Preferably, the adsorption part includes an adsorption plate, which is located on the inner side of the drying box, and the adsorption plate extends through and to the right side of the drying box. The outer side of the adsorption plate is provided with a slide groove, and the slide groove is slidably connected to the adsorption plate. The outer side of the slide groove is fixedly connected to the inner side of the drying box. A baffle is provided on the right side of the slide groove, and the baffle is fixedly connected to the adsorption plate. A pull ring is fixedly provided on the right side of the baffle, so as to achieve a dehumidification effect through the dehumidification part and the adsorption part in the dehumidification mechanism.

[0013] Preferably, the clamping portion includes an L-shaped plate, the L-shaped plate is fixedly connected to the power board, the outer side surface of the L-shaped plate is provided with a handle, the inner end surface of the handle is provided with an adjusting screw, the adjusting screw is fixedly connected to the handle, the adjusting screw extends through and extends to the inner side surface of the L-shaped plate, and the adjusting screw is threadedly connected to the L-shaped plate.

[0014] Preferably, the assembly part includes a fixing plate, two fixing plates are arranged at the front and rear, the outer end surfaces of the fixing plates are movably connected to the inner end surface of the adjusting screw, the inner side surfaces of the fixing plates are fixedly provided with anti-slip plates, the outer side surfaces of the anti-slip plates are provided with sliding rods, the inner end surfaces of the sliding rods are fixedly connected to the outer side surfaces of the fixing plates, the sliding rods extend through and extend to the outer side of the L-shaped plate, the sliding rods are slidably connected to the L-shaped plate, and the outer end surfaces of the sliding rods are fixedly provided with limiting sleeves, so as to achieve the assembly and disassembly effects through the clamping parts and the assembly parts in the assembly mechanism.

[0015] Compared with the prior art, the beneficial effects of the present invention are: the terminal box protection device for a refrigeration compressor, 1) Through the protection mechanism, the handle in the driving part is used to rotate the handle to drive the threaded rod, the threaded rod drives the threaded block, and the threaded block drives the upper closing plate, so that the upper closing plate slides out of the through slot, so that the movable plate changes its angle under the action of the light rod, so as to open the top of the junction box, so that its wire is placed above the lower closing plate, and the upper closing plate and the lower closing plate are operated in the opposite way to position and protect the wire, effectively protecting the junction box and the wire from damage from the external environment, such as the intrusion of dust, moisture, corrosive substances, etc. 2) Through the dehumidification mechanism, using the drying box in the dehumidification part, when the junction box needs to be dried, the micro-exhaust fan is used to extract air from the outside, and then the air enters the inside of the junction box after being adsorbed by the adsorption plate, so as to dry the junction box. When it needs to be cleaned, the pull ring is used to drive the baffle plate and the adsorption plate to remove it from the inside of the slide slot for cleaning, so that the inside of the junction box is always kept dry to avoid insulation and wear leading to grounding or short circuit faults; 3) Through the assembly mechanism, using the L-shaped plate in the clamping part, the junction box is placed into the L-shaped plate, and the handle is turned, and the handle drives the adjusting screw, so that the adjusting screw drives the fixed plate and the anti-slip plate to slide steadily under the action of the sliding rod and the limit sleeve, thereby fixing and clamping the junction box, making it convenient to replace the whole thing and improving flexibility. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional schematic diagram of the structure of the present invention; Figure 2 It is a three-dimensional schematic diagram of the overall structure of the present invention; Figure 3 It is a three-dimensional schematic diagram of the overall cross-section of the structure of the present invention; Figure 4 It is a three-dimensional schematic diagram of the protective structure of the present invention; Figure 5 It is a three-dimensional schematic diagram of the drying structure of the present invention; Figure 6 It is a three-dimensional schematic diagram of the assembly structure of the present invention.

[0017] In the figure: 1 refrigeration compressor body, 2 power board, 3 protection mechanism, 31 driving part, 32 protection part, 311 junction box, 312 driving box, 313 handle, 314 threaded rod, 315 threaded block, 321 upper closing plate, 322 lower closing plate, 323 movable plate, 324 vertical plate, 4 dehumidification mechanism, 41 dehumidification part, 42 adsorption part, 411 drying box, 412 air inlet pipe, 413 micro exhaust fan, 421 adsorption plate, 422 slide groove, 423 baffle, 424 pull ring, 5 assembly mechanism, 51 clamping part, 52 assembly part, 511 L-type plate, 512 handle, 513 adjusting screw, 521 fixing plate, 522 anti-slip plate, 523 slide rod, 523 limit sleeve. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0019] Embodiment 1:

[0020] See also Figure 1-Figure 4 The present invention provides a technical solution: a terminal box protection device for a refrigeration compressor, comprising a refrigeration compressor body 1, a power board 2 is arranged on the outer end surface of the refrigeration compressor body 1, and a protection mechanism 3, a dehumidification mechanism 4 and an assembly mechanism 5 are arranged on the outer side surface of the power board 2; The protection mechanism 3 includes a driving part 31 and a protection part 32; The protection part 32 is located on the inner side of the driving part 31; The dehumidification mechanism 4 includes a dehumidification part 41 and an adsorption part 42; The adsorption part 42 is located on the inner side of the dehumidification part 41; The assembly mechanism 5 includes a clamping portion 51 and an assembly portion 52; The assembling portion 52 is located on the inner side of the engaging portion 51 .

[0021] The driving part 31 includes a junction box 311, which is located on the right side of the power board 2. The outer side of the junction box 311 is provided with a slide groove, the top surface of the junction box 311 is provided with a through groove, the outer side of the junction box 311 is provided with a drying groove, the outer side of the junction box 311 is provided with a drive box 312, the drive box 312 is fixedly connected to the junction box 311, a turning handle 313 is provided above the drive box 312, and a threaded rod 314 is provided on the bottom end surface of the turning handle 313.

[0022] The turning handle 313 is fixedly connected to the threaded rod 314, the threaded rod 314 extends through and reaches the inner side of the driving box 312, the threaded rod 314 is threadedly connected to the inner wall of the driving box 312, the bottom end surface of the threaded rod 314 is rotatably connected to the inner side of the driving box 312 through a bearing seat, and the surface of the threaded rod 314 is sleeved with a threaded block 315, which is threadedly connected to the turning handle 313.

[0023] The protection part 32 includes an upper closing plate 321, which is located on the inner side of the junction box 311, and the outer side of the upper closing plate 321 is fixedly connected to the inner side of the threaded block 315, and the threaded block 315 is slidably connected to the slide groove. A lower closing plate 322 is arranged below the upper closing plate 321, and the lower closing plate 322 is fixedly connected to the junction box 311, and the upper closing plate 321 is slidably connected to the through groove.

[0024] A movable plate 323 is arranged above the lower closing plate 322 , a polished rod is arranged through the inner wall of the movable plate 323 , the polished rod is movably connected to the movable plate 323 , and vertical plates 324 are arranged on the outer end faces of the polished rods, the vertical plates 324 are fixedly connected to the polished rods, and the vertical plates 324 are fixedly connected to the top surface of the junction box 311 .

[0025] Furthermore, in this embodiment, the protection mechanism 3 is used to utilize the handle 313 in the driving part 31 to rotate, and the rotation of the handle 313 further drives the threaded rod 314 connected thereto to rotate, and the rotation of the threaded rod 314 causes the threaded block 315 that cooperates with the thread thereof to move linearly, and the movement of the threaded block 315 further drives the upper closing plate 321 to slide, and the upper closing plate 321 realizes the change of its position by sliding out of the through slot, and the sliding of the upper closing plate 321 simultaneously drives the movable plate 323 connected thereto, and the movable plate 323 acts on the light rod Under the circumstance, the angle changes, and this angle change enables the top of the junction box 311 to be opened, thereby exposing the upper closing plate 321. After the top of the junction box 311 is opened, the user can place the circuit on the top of the lower closing plate 322. Then, the user drives the entire mechanism to reset by the opposite operation, that is, reversely rotating the handle 313. In this process, the upper closing plate 321 and the lower closing plate 322 achieve clamping and protection of the circuit through precise cooperation. When the upper closing plate 321 and the lower closing plate 322 are tightly fitted, they form a closed protection space together. Furthermore, in this embodiment, the protection mechanism 3 is used to utilize the rotating handle 313 in the driving part 31, so that the rotating handle 313 rotates to drive the threaded rod 314, the threaded rod 314 drives the threaded block 315, and the threaded block 315 drives the upper closing plate 321, so that the upper closing plate 321 slides out of the through slot, so that the movable plate 323 changes its angle under the action of the light rod, so as to open the top of the junction box 311, so as to place its wires above the lower closing plate 322, so as to reverse the operation, so that the upper closing plate 321 and the lower closing plate 322 position and protect the wires, and effectively protect the junction box and the wires from damage by the external environment, such as the intrusion of dust, moisture, corrosive substances, etc.; Embodiment 2:

[0026] See also Figure 1 , Figure 2 , Figure 3 , Figure 5 , and on the basis of Example 1, it is further obtained that: the dehumidification unit 41 includes a drying box 411, screws are arranged at the front and rear of the drying box 411, the drying box 411 is fixedly connected to the terminal box 311, the outer end surfaces of the drying box 411 are connected to the air inlet pipe 412, the inner walls of the air inlet pipe 412 are arranged with micro exhaust fans 413, the micro exhaust fans 413 are fixedly connected to the air inlet pipe 412, and the micro exhaust fans 413.

[0027] The adsorption part 42 includes an adsorption plate 421, which is located on the inner side of the drying box 411. The adsorption plate 421 extends through and to the right side of the drying box 411. The outer side of the adsorption plate 421 is provided with a slide groove 422, the slide groove 422 is slidably connected to the adsorption plate 421, the outer side of the slide groove 422 is fixedly connected to the inner side of the drying box 411, a baffle 423 is provided on the right side of the slide groove 422, the baffle 423 is fixedly connected to the adsorption plate 421, and a pull ring 424 is fixedly provided on the right side of the baffle 423.

[0028] Furthermore, in this embodiment, the dehumidification mechanism 4 is used to utilize the drying box 411 in the dehumidification part 41. When the junction box 311 needs to be dried, the micro exhaust fan 413 is started, and the micro exhaust fan 413 extracts air from the external environment. The air extracted by the micro exhaust fan 413 first passes through the adsorption plate 421. The air purified by the adsorption plate 421 is introduced into the junction box 311. When the moisture absorption or filtering material on the adsorption plate 421 reaches a saturated state or needs to be cleaned, the user can operate the pull ring 424 to achieve the purpose. The pulling of the pull ring 424 drives the overall movement of the baffle plate 423 and the adsorption plate 421. They are smoothly pulled out of the device along the slide groove 422 for cleaning or replacement. After cleaning, the user only needs to reinsert the baffle plate 423 and the adsorption plate 421 into the slide groove 422. Furthermore, the present embodiment uses the dehumidification mechanism 4 and the drying box 411 in the dehumidification part 41, so that when the junction box 311 needs to be dried, the micro-exhaust fan 413 is used to draw air from the outside and then enter the inside of the junction box 311 after being adsorbed by the adsorption plate 421, so as to dry the junction box 311. When cleaning is required, the pull ring 424 is used to drive the baffle 423 and the adsorption plate 421, so as to remove the baffle 423 and the adsorption plate 421 from the inside of the slide 422 for cleaning, so that the inside of the junction box 311 is always kept dry to avoid insulation and wear leading to grounding or short circuit faults; Embodiment three:

[0029] See also Figure 1 , Figure 2 , Figure 3 , Figure 6 , and on the basis of embodiments one and two, it is further obtained that: the clamping portion 51 includes an L-shaped plate 511, the L-shaped plate 511 is fixedly connected to the power board 2, the outer side surface of the L-shaped plate 511 is provided with a handle 512, the inner end surface of the handle 512 is provided with an adjusting screw 513, the adjusting screw 513 is fixedly connected to the handle 512, the adjusting screw 513 extends through and extends to the inner side surface of the L-shaped plate 511, and the adjusting screw 513 is threadedly connected to the L-shaped plate 511.

[0030] The assembly part 52 includes a fixed plate 521, two of which are arranged at the front and rear ends. The outer end faces of the fixed plates 521 are movably connected to the inner end faces of the adjusting screws 513. The inner side faces of the fixed plates 521 are fixedly provided with anti-slip plates 522. The outer sides of the anti-slip plates 522 are provided with sliding rods 523. The inner end faces of the sliding rods 523 are fixedly connected to the outer side faces of the fixed plates 521. The sliding rods 523 extend through and extend to the outer side of the L-shaped plate 511. The sliding rods 523 are slidably connected to the L-shaped plate 511. The outer end faces of the sliding rods 523 are fixedly provided with limiting sleeves 524.

[0031] Furthermore, in this embodiment, by means of the assembly mechanism 5 and the L-shaped plate 511 in the engaging portion 51, the user first places the junction box 311 on the L-shaped plate 511 for prevention and protection. Next, the user rotates the handle 512, and its rotation drives the adjusting screw 513 connected thereto to rotate. The linear movement of the adjusting screw 513 further promotes the movement of the fixing plate 521 and the anti-slide plate 522. The fixing plate 521 and the anti-slide plate 522 slide steadily under the guidance of the slide bar 523 and the limiting sleeve 524. When the fixing plate 521 and the anti-slide plate 522 move to both sides of the junction box 311, they clamp the junction box. In this way, the junction box 311 is firmly fixed on the L-shaped plate 511, which provides convenience for subsequent maintenance and replacement. Furthermore, this embodiment uses the assembly mechanism 5 and the L-shaped plate 511 in the locking portion 51 to place the junction box 311 into the L-shaped plate 511, and rotates the handle 512. The handle 512 drives the adjusting screw 513, and the adjusting screw 513 drives the fixing plate 521 and the anti-slip plate 522 to slide steadily under the action of the sliding rod 523 and the limiting sleeve 524, thereby fixing and clamping the junction box 311, thereby facilitating its overall replacement and improving flexibility.

[0032] When in use, through the assembly mechanism 5, using the L-shaped plate 511 in the locking portion 51, the user first places the junction box 311 on the preventive protection of the L-shaped plate 511, and then the user rotates the handle 512, and its rotation will drive the adjusting screw 513 connected thereto to rotate, and the linear movement of the adjusting screw 513 further promotes the movement of the fixing plate 521 and the anti-slip plate 522, and the fixing plate 521 and the anti-slip plate 522 slide steadily under the guidance of the sliding rod 523 and the limiting sleeve 524. When the fixing plate 521 and the anti-slip plate 522 move to both sides of the junction box 311, they will clamp the junction box. In this way, the junction box 311 is firmly The upper plate 321 is fixed on the L-shaped plate 511, which provides convenience for subsequent maintenance and replacement, so that the protection mechanism 3 is used to rotate the handle 313 in the driving part 31, and the rotation of the handle 313 further drives the threaded rod 314 connected thereto to rotate, and the rotation of the threaded rod 314 causes the threaded block 315 matched with the thread thereof to move linearly, and the movement of the threaded block 315 further drives the upper closing plate 321 to slide, and the upper closing plate 321 realizes the change of its position by sliding out of the through groove, and the sliding of the upper closing plate 321 simultaneously drives the movable plate 323 connected thereto, and the movable plate 323 changes its angle under the action of the light rod, which The angle change allows the top of the junction box 311 to be opened, thereby exposing the upper closing plate 321. After the top of the junction box 311 is opened, the user can place the circuit on the top of the lower closing plate 322. Then, the user drives the entire mechanism to reset by performing the opposite operation, that is, rotating the handle 313 in the opposite direction. In this process, the upper closing plate 321 and the lower closing plate 322 achieve clamping and protection of the circuit through precise cooperation. When the upper closing plate 321 and the lower closing plate 322 are tightly fitted, they jointly form a closed protective space, so that through the dehumidification mechanism 4, using the drying box 411 in the dehumidification part 41, when it is necessary to dry the junction box 311 , the micro exhaust fan 413 is started, and the micro exhaust fan 413 extracts air from the external environment. The air extracted by the micro exhaust fan 413 first passes through the adsorption plate 421. The air purified by the adsorption plate 421 is introduced into the junction box 311. When the moisture absorption or filtering material on the adsorption plate 421 reaches a saturated state or needs to be cleaned, the user can operate the pull ring 424 to achieve it. The pulling of the pull ring 424 drives the overall movement of the baffle 423 and the adsorption plate 421. They are smoothly pulled out of the device along the slide groove 422 for cleaning or replacement. After cleaning, the user only needs to reinsert the baffle 423 and the adsorption plate 421 into the slide groove 422.

[0033] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A terminal box protection device for a refrigeration compressor, comprising a refrigeration compressor body (1), characterized in that: The outer end surface of the refrigeration compressor body (1) is provided with a power supply board (2), and the outer side surface of the power supply board (2) is provided with a protection mechanism (3), a dehumidification mechanism (4) and an assembly mechanism (5); The protection mechanism (3) comprises a driving part (31) and a protection part (32); The protection portion (32) is located on the inner side of the driving portion (31); The dehumidification mechanism (4) comprises a dehumidification part (41) and an adsorption part (42); The adsorption portion (42) is located on the inner side of the dehumidification portion (41); The assembly mechanism (5) comprises a snap-fitting portion (51) and an assembly portion (52); The assembly portion (52) is located on the inner side of the locking portion (51).

2. A terminal box protection device for a refrigeration compressor according to claim 1, characterized in that: The driving part (31) comprises a junction box (311), the junction box (311) being located on the right side of the power board (2), the outer side surface of the junction box (311) being provided with a slide groove, the top surface of the junction box (311) being provided with a through groove, the outer side surface of the junction box (311) being provided with a drying groove, the outer side surface of the junction box (311) being provided with a driving box (312), the driving box (312) being fixedly connected to the junction box (311), the upper part of the driving box (312) being provided with a rotating handle (313), and the bottom end surface of the rotating handle (313) being provided with a threaded rod (314).

3. The terminal box protection device for a refrigeration compressor according to claim 2, characterized in that: The rotating handle (313) is fixedly connected to the threaded rod (314); the threaded rod (314) extends through the inner side of the driving box (312); the threaded rod (314) is threadedly connected to the inner wall of the driving box (312); the bottom end surface of the threaded rod (314) is rotatably connected to the inner side of the driving box (312) via a bearing seat; a threaded block (315) is sleeved on the surface of the threaded rod (314); and the threaded block (315) is threadedly connected to the rotating handle (313).

4. A terminal box protection device for a refrigeration compressor according to claim 3, characterized in that: The protection part (32) comprises an upper closing plate (321), the upper closing plate (321) is located on the inner side of the junction box (311), the outer side of the upper closing plate (321) is fixedly connected to the inner side of the threaded block (315), the threaded block (315) is slidably connected to the slide groove, a lower closing plate (322) is arranged below the upper closing plate (321), the lower closing plate (322) is fixedly connected to the junction box (311), and the upper closing plate (321) is slidably connected to the through groove.

5. A terminal box protection device for a refrigeration compressor according to claim 4, characterized in that: A movable plate (323) is arranged above the lower closing plate (322), a polished rod is arranged through the inner wall of the movable plate (323), the polished rod is movably connected to the movable plate (323), and vertical plates (324) are arranged on the outer end surfaces of the polished rods, the vertical plates (324) are fixedly connected to the polished rods, and the vertical plates (324) are fixedly connected to the top surface of the junction box (311).

6. The terminal box protection device for a refrigeration compressor according to claim 1, characterized in that: The dehumidification section (41) comprises a drying box (411), screws are arranged at the front and rear of the drying box (411), the drying box (411) is fixedly connected to the junction box (311), the outer end surfaces of the drying box (411) are connected to an air inlet pipe (412), the inner walls of the air inlet pipe (412) are provided with a micro exhaust fan (413), the micro exhaust fan (413) is fixedly connected to the air inlet pipe (412), and the micro exhaust fan (413) is fixedly connected to the air inlet pipe (412).

7. A terminal box protection device for a refrigeration compressor according to claim 6, characterized in that: The adsorption portion (42) comprises an adsorption plate (421), the adsorption plate (421) is located on the inner side of the drying box (411), the adsorption plate (421) extends through to the right side of the drying box (411), the outer side of the adsorption plate (421) is provided with a slide groove (422), the slide groove (422) is slidably connected to the adsorption plate (421), the outer side of the slide groove (422) is fixedly connected to the inner side of the drying box (411), the right side of the slide groove (422) is provided with a baffle (423), the baffle (423) is fixedly connected to the adsorption plate (421), and the right side of the baffle (423) is fixedly provided with a pull ring (424).

8. The terminal box protection device for a refrigeration compressor according to claim 1, characterized in that: The engaging portion (51) comprises an L-shaped plate (511), the L-shaped plate (511) being fixedly connected to the power supply plate (2), the outer side surface of the L-shaped plate (511) being provided with a handle (512), the inner end surface of the handle (512) being provided with an adjusting screw (513), the adjusting screw (513) being fixedly connected to the handle (512), the adjusting screw (513) extending through the inner side surface of the L-shaped plate (511), and the adjusting screw (513) being threadedly connected to the L-shaped plate (511).

9. A terminal box protection device for a refrigeration compressor according to claim 8, characterized in that: The assembly portion (52) comprises a fixing plate (521), two fixing plates (521) are arranged at the front and rear, the outer end surfaces of the fixing plates (521) are movably connected to the inner end surface of the adjusting screw (513), the inner side surface of the fixing plate (521) is fixedly provided with an anti-slip plate (522), the outer side of the anti-slip plate (522) is provided with a sliding rod (523), the inner end surface of the sliding rod (523) is fixedly connected to the outer side surface of the fixing plate (521), the sliding rod (523) extends through and extends to the outer side of the L-shaped plate (511), the sliding rod (523) is slidably connected to the L-shaped plate (511), and the outer end surface of the sliding rod (523) is fixedly provided with a limiting sleeve (524).

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