Frequency conversion control cabinet with self-alarm structure
By introducing a self-alarm structure into the frequency converter control cabinet, and using electromagnets and lever mechanisms to achieve rapid fault alarms, the problem of low efficiency in traditional manual inspections is solved, the stability and adaptability of the equipment are improved, and the risk of equipment damage and production interruption is reduced.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- QUFU JIAXIN ELECTRIC
- Filing Date
- 2025-06-18
- Publication Date
- 2026-05-26
AI Technical Summary
Traditional frequency converter control cabinets rely on manual periodic inspections, which are inefficient and cannot detect potential faults in a timely manner, leading to a high risk of equipment damage and production interruption.
Design a frequency converter control cabinet with a self-alarm structure, including an alarm component and a connection component. The alarm is triggered when the equipment is abnormal by using an electromagnet and a lever mechanism, so as to achieve rapid fault detection.
The self-alarm structure can quickly trigger fault alarms, shorten fault detection time, improve the stability and reliability of equipment operation, reduce equipment damage and production losses, and adapt to the needs of different industrial environments.
Smart Images

Figure CN224289603U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of control cabinet technology, specifically relating to a frequency converter control cabinet with a self-alarm structure. Background Technology
[0002] In today's rapidly advancing industrial automation, frequency converter control cabinets, as core equipment in industrial electrical systems, are widely used in numerous fields such as power, metallurgy, chemical, and machinery manufacturing, undertaking the crucial tasks of regulating motor speed and optimizing energy utilization efficiency. Their operational stability and reliability directly affect the safety and efficiency of the entire industrial production system.
[0003] However, traditional frequency converter control cabinets have significant shortcomings in fault early warning. They mostly rely on regular manual inspections to detect potential faults, which is not only inefficient but also carries the risk of faults going undetected during inspection intervals. If a frequency converter control cabinet experiences a sudden overload or short circuit, failure to respond quickly and take appropriate measures could potentially lead to equipment damage and production interruptions. Utility Model Content
[0004] The purpose of this invention is to provide a frequency converter control cabinet with a self-alarm structure, which aims to solve the problems mentioned in the background art.
[0005] To achieve the above objectives, this utility model provides the following technical solution:
[0006] A frequency converter control cabinet with a self-alarm structure includes,
[0007] The connecting assembly includes a base, a cabinet fixedly connected to the end of the base, a frequency converter fixedly connected to the interior of the cabinet, and a door hinged to the side wall of the cabinet, the door being snapped onto the outside of the frequency converter.
[0008] The alarm assembly includes a support plate fixedly connected to the inside of the cabinet, an alarm installed on the side wall of the support plate, a terminal block adapted to be installed at the end of the alarm, and a terminal post adapted to be installed on the side wall of the support plate, the terminal post being used in conjunction with the terminal block.
[0009] As a preferred embodiment of this utility model, the alarm assembly further includes a shaft rotatably mounted on the side wall of the alarm, a lever fixedly connected in the middle of the shaft, a guide post fixedly connected to the end of the lever, and an electrode plate fixedly connected to the end of the guide post. The end of the electrode plate is engaged with the end of the electrode piece on the side wall of the terminal block, and the electrode pieces on both sides of the terminal block are connected through the electrode plate.
[0010] In a preferred embodiment of this utility model, a spring is fixedly connected to the side wall of the lever, and the end of the spring is connected to the side wall of the support plate by bolts, and the spring is located on the side away from the terminal block.
[0011] In a preferred embodiment of this utility model, an electromagnet is fixedly connected to the side wall of the support plate, the end of the lever extends above the electromagnet, and an adsorption component for use with the electromagnet is installed at the end of the lever.
[0012] In a preferred embodiment of this utility model, a support rod is fixedly connected to the outer wall of the support plate, and a roller is rotatably mounted at the end of the support rod, with the roller positioned above the lever.
[0013] As a preferred embodiment of this utility model, the alarm component further includes a limiting rod fixedly connected to the side wall of the support plate. The limiting rod is engaged with the outside of the electromagnet, and the end of the limiting rod extends below the lever.
[0014] In a preferred embodiment of this utility model, a support column is fixedly connected to the side wall of the support plate, and the terminal block is connected to the end of the support column by bolts.
[0015] Compared with the prior art, the beneficial effects of this utility model are: the self-alarm structure of the frequency converter control cabinet can quickly trigger an alarm the moment an abnormal situation occurs in the equipment, shorten the fault detection time, and enable staff to take timely measures. The self-alarm structure can monitor and alarm for various fault types according to different application scenarios and equipment requirements, and has strong versatility and adaptability, which can meet the needs of different industrial production environments. Attached Figure Description
[0016] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. Wherein:
[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0018] Figure 2 This is a front structural diagram of the present invention;
[0019] Figure 3 This is a cross-sectional structural diagram of section AA of this utility model;
[0020] Figure 4 This is a schematic diagram of the alarm component structure of this utility model;
[0021] Figure 5 This is a schematic diagram of the internal structure of the terminal block of this utility model.
[0022] In the diagram: 100, connecting assembly; 101, base; 102, cabinet; 103, frequency converter; 104, door; 200, alarm assembly; 201, support plate; 202, alarm; 203, wiring terminal; 204, wiring post; 205, shaft; 206, lever; 207, guide post; 208, electrode plate; 209, spring; 210, electromagnet; 211, adsorption component; 212, support rod; 213, roller; 214, limit rod; 215, support post. Detailed Implementation
[0023] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.
[0024] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art can make similar extensions without departing from the spirit of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.
[0025] Secondly, the term "an embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in different places in this specification does not necessarily refer to the same embodiment, nor is it a single or selective embodiment that excludes other embodiments.
[0026] Example
[0027] Reference Figure 1-5 This is an embodiment of the present invention, which provides a frequency converter control cabinet with a self-alarm structure, including,
[0028] The connecting assembly 100 includes a base 101, a cabinet 102 fixedly connected to the end of the base 101, a frequency converter 103 fixedly connected inside the cabinet 102, and a door 104 hinged to the side wall of the cabinet 102, the door 104 being snapped onto the outside of the frequency converter 103.
[0029] The alarm assembly 200 includes a support plate 201 fixedly connected to the inside of the cabinet 102, an alarm 202 installed on the side wall of the support plate 201, a terminal block 203 adapted to be installed at the end of the alarm 202, and a terminal post 204 adapted to be installed on the side wall of the support plate 201. The terminal post 204 is used in conjunction with the terminal block 203.
[0030] The connecting component 100, serving as the basic architecture of the entire frequency converter control cabinet, consists of a base 101, a cabinet 102, a frequency converter 103, and a door 104. The base 101 provides stable support for the cabinet 102, ensuring the overall installation stability of the control cabinet. The cabinet 102 has a regular internal space, specifically designed for the frequency converter 103. Its internal structure fully considers the heat dissipation and wiring requirements of the frequency converter 103, ensuring its stable operation. The door 104 is hinged to the side wall of the cabinet 102, allowing for flexible opening and closing, facilitating routine maintenance and repair of the frequency converter 103. Simultaneously, the door 104 snaps onto the outside of the frequency converter 103, protecting it from dust and debris entering the cabinet 102 and affecting its normal operation. The core supporting component of the alarm assembly 200 is the support plate 201, which is firmly fixed inside the cabinet 102, providing a mounting base for components such as the alarm 202, terminal blocks 203, and terminal posts 204. The alarm 202 is mounted on the side wall of the support plate 201 and is the key device for realizing the alarm function; the terminal blocks 203 are adapted and installed at the end of the alarm 202 for connecting external wiring; the terminal posts 204 are adapted and installed on the side wall of the support plate 201, and are used in conjunction with the terminal blocks 203 to form a complete circuit connection.
[0031] Specifically, the alarm assembly 200 also includes a shaft 205 rotatably mounted on the side wall of the alarm 202, a lever 206 fixedly connected in the middle of the shaft 205, a guide post 207 fixedly connected to the end of the lever 206, and an electrode plate 208 fixedly connected to the end of the guide post 207. The end of the electrode plate 208 is engaged with the end of the electrode piece on the side wall of the terminal 204, and the electrode pieces on both sides of the terminal 204 are connected through the electrode plate 208.
[0032] The shaft 205 is rotatably mounted on the side wall of the alarm 202, allowing it to rotate freely within a certain angle range. The lever 206 is fixedly connected to the middle of the shaft 205 and swings as the shaft 205 rotates. The guide post 207 is fixedly connected to the end of the lever 206, guiding the movement of the electrode plate 208. The electrode plate 208 is fixedly connected to the end of the guide post 207, its end engaging with the end of the electrode piece on the side wall of the terminal post 204. Under normal conditions, the electrodes on both sides of the terminal post 204 are connected via the electrode plate 208, maintaining the circuit's continuity.
[0033] Furthermore, a spring 209 is fixedly connected to the side wall of the lever 206. The end of the spring 209 is connected to the side wall of the support plate 201 by bolts, and the spring 209 is located on the side away from the terminal 204.
[0034] Spring 209 is fixedly connected to the side wall of lever 206, and its end is bolted to the side wall of support plate 201. Spring 209 is located on the side away from terminal 204. In its natural state, spring 209 applies a pulling force to lever 206, keeping lever 206 in its initial position, ensuring stable contact between electrode plate 208 and electrode of terminal 204, and maintaining normal circuit connection.
[0035] Furthermore, an electromagnet 210 is fixedly connected to the side wall of the support plate 201, the end of the lever 206 extends above the electromagnet 210, and an adsorption component 211 for use with the electromagnet 210 is installed at the end of the lever 206.
[0036] The electromagnet 210 is fixedly connected to the side wall of the support plate 201, and the end of the lever 206 extends above the electromagnet 210. An adsorption component 211 that works with the electromagnet 210 is installed at the end of the lever 206. When the electromagnet 210 is energized, it generates magnetism, attracting the adsorption component 211, thereby driving the lever 206 to rotate around the shaft 205.
[0037] Preferably, a support rod 212 is fixedly connected to the outer wall of the support plate 201, and a roller 213 is rotatably mounted at the end of the support rod 212, with the roller 213 positioned above the lever 206.
[0038] The support rod 212 is fixedly connected to the outer wall of the support plate 201, and a roller 213 is rotatably mounted at its end. The roller 213 is positioned above the lever 206. The roller 213 can support and reduce friction when the lever 206 swings, making the movement of the lever 206 smoother. At the same time, it can limit the movement of the lever 206 to prevent it from rotating too much.
[0039] It should be noted that the alarm assembly 200 also includes a limiting rod 214 fixedly connected to the side wall of the support plate 201. The limiting rod 214 is engaged with the outside of the electromagnet 210, and the end of the limiting rod 214 extends to the bottom of the lever 206.
[0040] The limiting rod 214 is fixedly connected to the side wall of the support plate 201 and snapped onto the outside of the electromagnet 210. The end of the limiting rod 214 extends to the bottom of the lever 206 to limit the swing range of the lever 206 and prevent the lever 206 from swinging excessively and damaging the components.
[0041] Preferably, a support column 215 is fixedly connected to the side wall of the support plate 201, and the terminal block 204 is connected to the end of the support column 215 by bolts.
[0042] The support column 215 is fixedly connected to the side wall of the support plate 201, and the terminal block 204 is bolted to the end of the support column 215, providing a stable installation support for the terminal block 204.
[0043] During normal operation, the electrode plate 208 is engaged with the end of the electrode piece on the side wall of the terminal 204, allowing the electrodes on both sides of the terminal 204 to connect via the electrode plate 208, and the alarm 202 is in an untriggered state. When an abnormality occurs in the inverter 103 or related circuits, such as overload or short circuit, the system sends an energizing signal to the electromagnet 210. The electromagnet 210 generates magnetism upon energization, attracting the adsorption element 211 at the end of the lever 206, causing the lever 206 to rotate around the shaft 205. As the lever 206 rotates, it moves the electrode plate 208 via the guide post 207, causing the electrode plate 208 to separate from the electrode piece of the terminal 204, cutting off the circuit connection. At this time, the circuit of the alarm 202 is triggered, and it begins to emit an alarm signal, alerting personnel to the equipment malfunction. Once the fault is cleared, the electromagnet 210 is de-energized and loses its magnetism. Under the pulling force of the spring 209, the lever 206 drives the electrode plate 208 to reset and re-engage with the electrode of the terminal 204, restoring the circuit connection and stopping the alarm 202.
[0044] In summary, the self-alarm structure of this frequency converter control cabinet can quickly trigger an alarm the moment an abnormal situation occurs in the equipment. Compared with the traditional manual inspection method, it greatly shortens the fault detection time, enabling staff to take timely measures to prevent further escalation of the fault and reduce equipment damage and production losses. Through the coordinated action of components such as spring 209, roller 213, and limit rod 214, the stability and reliability of the alarm component 200 during long-term operation are ensured. Spring 209 ensures that the lever 206 can accurately reset, roller 213 reduces friction during the movement of lever 206, and limit rod 214 prevents excessive swinging of lever 206. These designs effectively reduce the failure rate of the alarm component 200 and improve the service life of the entire frequency converter control cabinet. The hinged design of the door 104 in the connecting component 100 and the modular installation method of the various components of the alarm component 200 make operation simple for staff during equipment maintenance and repair. Whether it's inspecting the frequency converter 103 or troubleshooting and replacing the alarm component 200, everything can be done quickly, improving equipment maintenance efficiency and reducing maintenance costs. The self-alarm structure of this frequency converter control cabinet can monitor and alarm for various fault types by adjusting the triggering conditions of the electromagnet 210 and the alarm parameters of the alarm 202, according to different application scenarios and equipment requirements. It has strong versatility and adaptability, and can meet the needs of different industrial production environments.
[0045] It is important to note that the constructions and arrangements of this application shown in several different exemplary embodiments are merely illustrative. Although only a few embodiments are described in detail in this disclosure, those who consult this disclosure will readily understand that many modifications are possible (e.g., changes in the size, dimensions, structure, shape and proportion of various elements, as well as parameter values (e.g., temperature, pressure, etc.), mounting arrangements, use of materials, color, orientation, etc.) without substantially departing from the novel teachings and advantages of the subject matter described in this application). For example, an element shown as integrally formed may be composed of multiple parts or elements, the position of elements may be inverted or otherwise altered, and the nature or number or position of discrete elements may be changed or altered. Therefore, all such modifications are intended to be included within the scope of this utility model. The order or sequence of any process or method steps may be changed or rearranged according to alternative embodiments. In the claims, any "device plus function" clause is intended to cover the structure described herein that performs the function, and not only structural equivalents but also equivalent structures. Without departing from the scope of this invention, other substitutions, modifications, alterations, and omissions may be made in the design, operation, and arrangement of the exemplary embodiments. Therefore, this invention is not limited to the specific embodiments, but extends to various modifications that still fall within the scope of the appended claims.
[0046] Furthermore, in order to provide a concise description of exemplary embodiments, not all features of actual embodiments (i.e., those features that are not relevant to the best mode of carrying out the present invention as currently considered, or those features that are not relevant to implementing the present invention) may be omitted.
[0047] It should be understood that numerous specific implementation decisions can be made during the development of any practical implementation, such as in any engineering or design project. Such development efforts may be complex and time-consuming, but for those skilled in the art who benefit from this disclosure, the development effort will be a routine work of design, manufacturing, and production without requiring much experimentation.
[0048] It should be noted that the above embodiments are only used to illustrate the technical solution of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solution of this utility model without departing from the spirit and scope of the technical solution of this utility model, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.
Claims
1. A variable frequency control cabinet with self-alarming structure, characterized in that: include, The connecting assembly (100) includes a base (101), a cabinet (102) fixedly connected to the end of the base (101), a frequency converter (103) fixedly connected inside the cabinet (102), and a door (104) hinged to the side wall of the cabinet (102), the door (104) being snapped onto the outside of the frequency converter (103); The alarm assembly (200) includes a support plate (201) fixedly connected to the inside of the cabinet (102), an alarm (202) installed on the side wall of the support plate (201), a terminal block (203) adapted to be installed at the end of the alarm (202), and a terminal post (204) adapted to be installed on the side wall of the support plate (201), wherein the terminal post (204) is used in conjunction with the terminal block (203).
2. The frequency conversion control cabinet with self-alarm structure according to claim 1, characterized in that: The alarm assembly (200) further includes a shaft (205) rotatably mounted on the side wall of the alarm (202), a lever (206) fixedly connected in the middle of the shaft (205), a guide post (207) fixedly connected to the end of the lever (206), and an electrode plate (208) fixedly connected to the end of the guide post (207). The end of the electrode plate (208) is engaged with the end of the electrode piece on the side wall of the terminal (204), and the electrode pieces on both sides of the terminal (204) are connected through the electrode plate (208).
3. The frequency conversion control cabinet with self-alarm structure according to claim 2, characterized in that: A spring (209) is fixedly connected to the side wall of the lever (206). The end of the spring (209) is connected to the side wall of the support plate (201) by bolts, and the spring (209) is located on the side away from the terminal (204).
4. A frequency converter control cabinet with a self-alarm structure according to claim 3, characterized in that: An electromagnet (210) is fixedly connected to the side wall of the support plate (201), the end of the lever (206) extends above the electromagnet (210), and an adsorption component (211) for use with the electromagnet (210) is installed at the end of the lever (206).
5. A frequency converter control cabinet with a self-alarm structure according to claim 4, characterized in that: A support rod (212) is fixedly connected to the outer wall of the support plate (201), and a roller shaft (213) is rotatably installed at the end of the support rod (212). The roller shaft (213) is located above the lever (206).
6. A frequency converter control cabinet with a self-alarm structure according to claim 5, characterized in that: The alarm assembly (200) also includes a limiting rod (214) fixedly connected to the side wall of the support plate (201). The limiting rod (214) is engaged with the outside of the electromagnet (210), and the end of the limiting rod (214) extends below the lever (206).
7. A frequency converter control cabinet with a self-alarm structure according to claim 6, characterized in that: The support plate (201) has a support column (215) fixedly connected to its side wall, and the terminal block (204) is connected to the end of the support column (215) by bolts.