PLC control cabinet convenient for installation and wiring
By introducing moisture absorption and dust removal structures into the PLC control cabinet, the problem of moisture and dust entering the cabinet body is solved, extending the service life of components and improving the cleanliness of the internal environment.
Patent Information
- Application Number
- CN202420950165.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-06
- Publication Date
- 2024-12-27
- Estimated Expiration
- 2034-05-06
AI Technical Summary
The existing PLC control cabinet is easily affected by the moisture on the ground during use, causing moisture to enter the inside of the cabinet and affecting the service life of the components.
A PLC control cabinet including supporting legs, dust removal structure and moisture absorption structure is designed. The moisture absorption structure absorbs moisture through the moisture absorption plate and the filled adsorbent, and the clamping unit fixes the moisture absorption plate; the dust removal structure uses electromagnetic blocks to generate an electrostatic field to absorb dust.
Effectively prevent moisture from entering the cabinet, extend the life of components, and prevent dust from entering through an electrostatic field, thereby protecting internal components.
Smart Images

Figure CN222239554U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of control cabinets, in particular to a PLC control cabinet which is convenient for installation and wiring. Background Art
[0002] PLC control cabinet refers to a programmable control cabinet, and a control cabinet refers to a complete set of control cabinets, which can realize the control of motors and switches. PLC control cabinets have protection functions such as overload, short circuit, and phase loss protection.
[0003] However, in actual use, it is difficult to move the PLC control cabinet after it is installed and fixed. When line installation is required, the wiring work of the staff will be affected due to space constraints.
[0004] As disclosed in Chinese patent CN219740980U, a PLC control cabinet that is easy to install and wire is proposed. The installation plate is installed on the limit column, and the limit column is then fixed in the cabinet body by bolts. The staff manually holds the pressing plate upward to move the pressing plate upward. Under the action of the hinged rod, the sliding block can be driven to slide in the inner groove, compressing the clamping spring, so that the wedge block is away from the bayonet, and the limit fixation of the installation plate is released, so that the position of the PLC control box can be adjusted, and then the PLC control box can be wired. After the wiring is completed, when wiring, the sliding plate is pulled to compress the reset spring of the connecting block, so that the staff can place the connecting line into the fixed mouth of the wiring plate, and then release the sliding plate. Under the action of the reset spring, the connecting block can be driven to reset, and then the sliding plate is reset, and the connecting line is clamped and fixed, so that the connection of the connecting line is more stable.
[0005] However, in the prior art, the control cabinet is easily affected by the moisture on the ground when in use, causing moisture to enter the cabinet body, thereby affecting the service life of the components inside the cabinet body.
[0006] For this reason, we urgently need to provide a PLC control cabinet that is easy to install and wire. Utility Model Content
[0007] The purpose of the utility model is to provide a PLC control cabinet which is easy to install and wire, so as to solve the problem in the prior art proposed in the above background technology that the control cabinet is easily affected by ground moisture when in use, causing moisture to enter the cabinet body, thereby affecting the service life of the components inside the cabinet body.
[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a PLC control cabinet which is easy to install and wire, comprising support legs, a cabinet structure is installed on the top of the support legs, a dust removal structure is installed on the top of the cabinet structure, and a moisture absorption structure is installed on the bottom of the cabinet structure.
[0009] The moisture absorption structure includes a moisture absorption unit and a clamping unit.
[0010] The moisture absorption unit comprises a partition, a guide rail is installed at the bottom of the partition, a moisture absorption plate is installed inside the guide rail, and a pulling block is installed on the right side of the moisture absorption plate.
[0011] Preferably, the clamping unit comprises a clamping rod, a stretching plate is fixedly mounted on the top of the clamping rod, a spring is fixedly connected to the bottom of the stretching plate, and a mounting plate is connected to the outer surface of the clamping rod.
[0012] Preferably, the inner wall of a circular hole in the middle of the top surface of the pulling block is slidably connected to the outer surface of the clamping rod, and the end of the spring away from the stretching plate is fixedly connected to the top surface of the mounting plate. The moisture absorption plate is a solid frame with multiple layers of filter screens installed inside, and the filter screens are filled with fillers that have strong moisture absorption.
[0013] Preferably, the cabinet structure includes a cabinet body, a hinge installed on the left side of the cabinet front, a cabinet door installed on the cabinet front, cross bars installed on the left and right sides of the cabinet interior, a mounting frame detachably installed on one side of the cross bar, and a longitudinal bar installed in the middle of the back side of the mounting frame.
[0014] Preferably, the bottom of the cabinet is fixedly connected to the top of the supporting leg, the bottom of the interior of the cabinet is fixedly connected to the outer surface of the partition, the left and right ends of the interior of the cabinet near the front and back of the bottom are fixedly connected to the left and right ends of the guide rails, a rectangular through hole is provided on the inner wall of the middle right side of the cabinet near the bottom and is slidably connected to the outer surface of the moisture absorption plate, and the middle right side of the cabinet is fixedly connected to the left side of the mounting plate near the bottom.
[0015] Preferably, the dust removal structure includes a cooling fan, a card block is arranged on the top of the cooling fan, a filter plate is slidably connected to the outer surface of the card block, an electromagnetic block is abutted at the left and right ends of the middle of the bottom surface of the filter plate, and a reed switch is fixedly connected to the bottom surface of the electromagnetic block.
[0016] Preferably, the cooling fan is installed inside a rectangular through hole on the top surface of the cabinet, the bottom end of the block is fixedly connected to the top surface of the cabinet, and the end of the reed switch away from the electromagnetic block is fixedly connected to the top of the cabinet. The reed switch is a pipe made of a material with a certain elastic deformation force, and an electric wire is arranged inside the reed switch to connect with the electromagnetic block, and the filter plate is a solid frame with a filter installed inside.
[0017] Compared with the prior art, the beneficial effects of the utility model are:
[0018] 1. The PLC control cabinet which is easy to install and wire has a hygroscopic structure. The hygroscopic plate is installed inside the guide rail. The absorbent filled inside the hygroscopic plate can absorb water, thereby absorbing moisture to prevent moisture from damaging internal components. The hygroscopic plate can be fixed by a clamping unit.
[0019] 2. The PLC control cabinet, which is easy to install and wire, can generate an electrostatic field on the filter plate by setting a dust removal structure and energizing the electromagnetic block, thereby adsorbing dust, thereby preventing dust from entering the cabinet during the rotation and ventilation of the cooling fan. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] Figure 1 This is a schematic diagram of the appearance structure of the utility model;
[0021] Figure 2 It is a schematic diagram of the internal structure of the utility model;
[0022] Figure 3 This is an enlarged view of the dustproof structure of the utility model;
[0023] Figure 4 It is an enlarged view of the moisture absorption structure of the utility model.
[0024] In the figure: 1, supporting leg; 101, cabinet body; 102, hinge; 103, cabinet door; 104, cross bar; 105, mounting frame; 106, longitudinal bar; 201, partition; 202, guide rail; 203, moisture absorbing plate; 204, pulling block; 205, clamping rod; 206, stretching plate; 207, spring; 208, mounting plate; 301, cooling fan; 302, clamping block; 303, filter plate; 304, electromagnetic block; 305, reed pipe. DETAILED DESCRIPTION
[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0026] See also Figure 1-Figure 4 , the utility model provides a technical solution:
[0027] Embodiment 1:
[0028] A PLC control cabinet which is convenient for installation and wiring comprises a support leg 1, a cabinet structure is installed on the top of the support leg 1, a dust removal structure is installed on the top of the cabinet structure, and a moisture absorption structure is installed on the bottom of the cabinet structure.
[0029] The moisture absorption structure includes a moisture absorption unit and a clamping unit. The moisture absorption unit includes a partition 201. A guide rail 202 is installed at the bottom of the partition 201. A moisture absorption plate 203 is installed inside the guide rail 202. A pulling block 204 is installed on the right side of the moisture absorption plate 203. The clamping unit includes a clamping rod 205. A stretching plate 206 is fixedly installed on the top of the clamping rod 205. A spring 207 is fixedly connected to the bottom of the stretching plate 206. The outer surface of the clamping rod 205 is connected to a mounting plate 208.
[0030] The inner wall of a circular hole in the middle of the top surface of the pulling block 204 is slidably connected to the outer surface of the clamping rod 205 , and one end of the spring 207 away from the stretching plate 206 is fixedly connected to the top surface of the mounting plate 208 .
[0031] By setting the hygroscopic structure, the hygroscopic plate 203 is installed inside the guide rail 202. The adsorbent filled inside the hygroscopic plate 203 can absorb water, thereby absorbing moisture to prevent moisture from damaging internal components. The hygroscopic plate 203 can be fixed using a snap-in unit.
[0032] After moisture enters the interior of the cabinet door 103 through the bottom of the cabinet door 103, the moisture is adsorbed by the desiccant plate 203, thereby preventing moisture from entering the interior of the cabinet door 103 and causing damage to the internal components. When replacing the desiccant plate 203, the clamping rod 205 can be driven to move upward by pulling the stretching plate 206, and the spring 207 is stretched at the same time, so that the clamping rod 205 can leave the circular hole opened in the middle of the top surface of the pulling block 204, and then the pulling block 204 is pulled to drive the desiccant plate 203 to leave the guide rail 202, thereby completing the replacement of the desiccant plate 203.
[0033] Embodiment 2:
[0034] On the basis of the first embodiment, the cabinet structure includes a cabinet 101, a hinge 102 is installed on the left side of the front of the cabinet 101, a cabinet door 103 is installed on the front of the cabinet 101, a cross bar 104 is installed on the left and right sides of the cabinet 101, a mounting frame 105 is detachably installed on one side of the cross bar 104, and a longitudinal bar 106 is installed in the middle of the back of the mounting frame 105. The bottom of the cabinet 101 is fixedly connected to the top of the support leg 1, the bottom of the cabinet 101 is fixedly connected to the outer surface of the partition 201, the left and right ends of the cabinet 101 are fixedly connected to the left and right ends of the guide rail 202 near the front and back of the bottom, the middle of the right side of the cabinet 101 is opened near the bottom with a rectangular through hole inner wall and the outer surface of the moisture absorption plate 203 is slidably connected, and the middle of the right side of the cabinet 101 is fixedly connected to the left side of the mounting plate 208 near the bottom.
[0035] The dust removal structure includes a heat dissipation fan 301, a block 302 is provided on the top of the heat dissipation fan 301, a filter plate 303 is slidably connected to the outer surface of the block 302, an electromagnetic block 304 is abutted at the left and right ends of the middle of the bottom surface of the filter plate 303, and a reed switch 305 is fixedly connected to the bottom surface of the electromagnetic block 304. The heat dissipation fan 301 is installed inside the rectangular through hole opened on the top surface of the cabinet 101, the bottom end of the block 302 is fixedly connected to the top surface of the cabinet 101, and the end of the reed switch 305 away from the electromagnetic block 304 is fixedly connected to the top of the cabinet 101.
[0036] By setting up the dust removal structure and energizing the electromagnetic block 304, an electrostatic field can be generated on the filter plate 303 to adsorb dust, thereby preventing dust from entering the cabinet 103 during the rotation of the cooling fan 301 for ventilation.
[0037] When installing the components inside the cabinet door 103, the horizontal bar 104 and the vertical bar 106 can be installed, so that the position of the mounting frame 105 can be adjusted, so that the components inside the cabinet door 103 can be easily wired. At the same time, when the components are working, the heat generated by the components inside the cabinet door 103 can be dissipated through the top of the cabinet body 101 by turning on the cooling fan 301. In order to prevent external dust from entering the cabinet door 103, the electromagnetic block 304 can be energized to generate an electrostatic field on the filter plate 303, thereby adsorbing dust.
[0038] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the statement "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.
Claims
1. A PLC control cabinet that is easy to install and wire, comprising a support leg (1), characterized in that: A cabinet structure is installed on the top of the supporting leg (1), a dust removal structure is installed on the top of the cabinet structure, and a moisture absorption structure is installed on the bottom of the cabinet structure; The moisture absorption structure includes a moisture absorption unit and a clamping unit; The moisture absorption unit comprises a partition (201), a guide rail (202) is installed at the bottom of the partition (201), a moisture absorption plate (203) is installed inside the guide rail (202), and a pulling block (204) is installed on the right side of the moisture absorption plate (203).
2. A PLC control cabinet that is easy to install and wire according to claim 1, characterized in that: The clamping unit comprises a clamping rod (205), a stretching plate (206) is fixedly mounted on the top of the clamping rod (205), a spring (207) is fixedly connected to the bottom of the stretching plate (206), and a mounting plate (208) is connected to the outer surface of the clamping rod (205).
3. A PLC control cabinet that is easy to install and wire according to claim 2, characterized in that: The inner wall of a circular hole in the middle of the top surface of the pulling block (204) is slidably connected to the outer surface of the clamping rod (205), and one end of the spring (207) away from the stretching plate (206) is fixedly connected to the top surface of the mounting plate (208).
4. A PLC control cabinet that is easy to install and wire according to claim 1, characterized in that: The cabinet structure comprises a cabinet (101), a hinge (102) is installed on the left side of the front of the cabinet (101), a cabinet door (103) is installed on the front of the cabinet (101), a cross bar (104) is installed on the left and right sides of the interior of the cabinet (101), a mounting frame (105) is detachably installed on one side of the cross bar (104), and a longitudinal bar (106) is installed in the middle of the back of the interior of the mounting frame (105).
5. A PLC control cabinet that is easy to install and wire according to claim 4, characterized in that: The bottom of the cabinet (101) is fixedly connected to the top of the supporting leg (1); the bottom of the cabinet (101) is fixedly connected to the outer surface of the partition (201); the left and right ends of the cabinet (101) are fixedly connected to the left and right ends of the guide rail (202) near the front and back ends of the bottom; the middle of the right side of the cabinet (101) is provided with a rectangular through hole near the bottom, and the inner wall is slidably connected to the outer surface of the moisture absorption plate (203); the middle of the right side of the cabinet (101) is fixedly connected to the left side of the mounting plate (208) near the bottom.
6. A PLC control cabinet that is easy to install and wire according to claim 1, characterized in that: The dust removal structure comprises a heat dissipation fan (301), a clamping block (302) is arranged on the top of the heat dissipation fan (301), a filter plate (303) is slidably connected to the outer surface of the clamping block (302), an electromagnetic block (304) is abutted at the left and right ends of the middle of the bottom surface of the filter plate (303), and a reed switch (305) is fixedly connected to the bottom surface of the electromagnetic block (304).
7. A PLC control cabinet that is easy to install and wire according to claim 6, characterized in that: The heat dissipation fan (301) is installed inside a rectangular through hole on the top surface of the cabinet (101), the bottom end of the clamping block (302) is fixedly connected to the top surface of the cabinet (101), and the end of the reed switch (305) away from the electromagnetic block (304) is fixedly connected to the top of the cabinet (101).