Alternating current and direct current contactor adhesion detection mechanism

Abstract

The utility model relates to the related technical field of electrical detection, in particular to an AC / DC contactor adhesion detection mechanism, which comprises a detector and a mounting mechanism, the mounting mechanism is arranged on one side of the surface of the detector, and an alarm mechanism is arranged on one side of the surface of the detector. According to the adhesion detection mechanism for the alternating current and direct current contactor, through the arrangement of the mounting mechanism, a pull ring is pulled to drive a limiting block to be completely embedded in an embedding groove through a connecting rod, a spring is subjected to compression deformation, at the moment, a detector is embedded in a mounting base through a mounting groove, and meanwhile, a positioning column is completely embedded in a positioning groove; at the moment, the limiting groove and the embedding groove are aligned in position, then acting force applied to the pull ring is released, the spring rebounds and deforms at the moment, the spring which rebounds and deforms drives the limiting block to return to the original position, one end of the limiting block is embedded into the embedding groove at the moment, and the other end of the limiting block is embedded into the limiting groove. Therefore, the detector is fixedly mounted in the mounting base through the limiting block.

Description

Technical Field

[0001] This utility model relates to the field of electrical testing technology, and in particular to a mechanism for detecting adhesion of AC / DC contactors. Background Technology

[0002] A contactor is a widely used switching device that uses electromagnetic, pneumatic, or hydraulic principles to control the switching of the main circuit. Contactors have advantages such as strong current interruption capability, rapid action, safe operation, frequent operation, and remote control. In practical applications, AC or DC contactors are prone to contact sticking due to excessive current or quality problems, which can prevent the contactor from resetting and cause equipment failure. Therefore, there is a special need for an AC / DC contactor sticking detection mechanism.

[0003] However, most existing AC / DC contactor adhesion detection mechanisms rely on manual inspection during use. This detection method suffers from problems such as low detection efficiency and poor accuracy, making it impossible to promptly troubleshoot faulty areas. Utility Model Content

[0004] The purpose of this utility model is to provide an AC / DC contactor adhesion detection mechanism to solve the problem that the existing AC / DC contactor adhesion detection mechanisms mentioned in the background art mostly rely on manual inspection during use. This detection method has problems such as low detection efficiency and poor accuracy, thus failing to promptly troubleshoot faulty areas.

[0005] To achieve the above objectives, this utility model provides the following technical solution: an AC / DC contactor adhesion detection mechanism, comprising a detector and an installation mechanism, wherein a mounting base is installed at the bottom of the detector, an installation mechanism is provided on one side of the surface of the detector, and an alarm mechanism is provided on one side of the surface of the detector;

[0006] The installation mechanism includes a limiting groove, a positioning post, an installation groove, a positioning groove, a fitting groove, a limiting block, a connecting rod, a spring, and a pull ring. A limiting groove is formed on one side of the surface of the detector, and a positioning post is fixedly connected to one side of the surface of the detector. An installation groove is formed on one side of the surface of the installation base, a positioning groove is formed on the inner wall of the installation base, a fitting groove is formed inside the installation base, a limiting block is fitted inside the fitting groove, a connecting rod is fixedly connected to one end of the limiting block, a spring is sleeved on the surface of the connecting rod, and a pull ring is fixedly connected to one end of the connecting rod.

[0007] Preferably, the positioning post is a dovetail block, the positioning groove is a dovetail groove, and the dimensions of the positioning post and the positioning groove match.

[0008] Preferably, the bottom of the detector is embedded in the inside of the mounting base through the mounting groove.

[0009] Preferably, the cross section of the embedding groove is a T-shaped groove, and one end of the limiting block is matched with the size of the limiting groove.

[0010] Preferably, the spring is arranged in the embedding groove, one end of the spring is fixedly connected with the mounting base, and the other end of the spring is fixedly connected with the limiting block.

[0011] Preferably, the alarm mechanism comprises a key, a display screen, an alarm lamp, a buzzer, a first connecting line and a second connecting line, the surface of the detector is provided with the key, the surface of the detector is provided with the display screen, the surface of the detector is provided with the alarm lamp, the surface of the detector is provided with the buzzer, the other surface of the detector is connected with the first connecting line, and the other surface of the detector is connected with the second connecting line.

[0012] Preferably, the key is electrically connected with the detector, the first connecting line is electrically connected with the detector, and the second connecting line is electrically connected with the detector.

[0013] Compared with the prior art, the alternating current-direct current contactor adhesion detection mechanism has the advantages that: the mounting base is installed and fixed when in use, then the limiting block is embedded in the inside of the limiting groove to install and fix the detector, so that the detector can detect the contactor in real time, the problem that problems cannot be found in time due to the detection personnel through the patrol inspection mode is avoided, and the mechanism is simple and quick to disassemble and assemble and has high efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a side appearance structure schematic view of the utility model;

[0015] Figure 2 It is a mounting mechanism cross section structure schematic view of the utility model;

[0016] Figure 3 It is an alarm mechanism structure schematic view of the utility model;

[0017] Figure 4 It is a Figure 2 It is an enlarged structure schematic view of A in the utility model.

[0018] In the figure: 1, detector; 2, mounting base; 3, mounting mechanism; 301, limiting groove; 302, positioning column; 303, mounting groove; 304, positioning groove; 305, fitting groove; 306, limiting block; 307, connecting rod; 308, spring; 309, pull ring; 4, alarm mechanism; 401, button; 402, display screen; 403, alarm lamp; 404, buzzer; 405, first connecting line; 406, second connecting line. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0020] Please refer to Figures 1-4 The utility model provides a technical scheme: a kind of AC-DC contactor adhesion detection mechanism, including detector 1 and mounting mechanism 3, the bottom of detector 1 is equipped with mounting base 2, the surface side of detector 1 is provided with mounting mechanism 3, the surface side of detector 1 is provided with alarm mechanism 4;

[0021] The mounting mechanism 3 comprises a limiting groove 301, a positioning column 302, a mounting groove 303, a positioning groove 304, a fitting groove 305, a limiting block 306, a connecting rod 307, a spring 308 and a pull ring 309, the surface of the detector 1 is provided with the limiting groove 301, the surface of the detector 1 is fixedly connected with the positioning column 302, the surface of the mounting base 2 is provided with the mounting groove 303, the inner wall of the mounting base 2 is provided with the positioning groove 304, the inside of the mounting base 2 is provided with the fitting groove 305, the fitting groove 305 is fitted with the limiting block 306, one end of the limiting block 306 is fixedly connected with the connecting rod 307, the surface of the connecting rod 307 is sleeved with the spring 308, one end of the connecting rod 307 is fixedly connected with the pull ring 309, through the limiting groove 301, the positioning column 302, the mounting groove 303, the positioning groove 304, the fitting groove 305, the limiting block 306, the connecting rod 307, the spring 308 and the pull ring 309, when the detector 1 needs to be installed and fixed, the mounting base 2 is installed and fixed first, then the pull ring 309 is pulled, at this time, the pull ring 309 drives the limiting block 306 to move to the inside of the fitting groove 305 through the connecting rod 307, at this time, the limiting block 306 extrudes the spring 308 to make the spring 308 compress and deform, when the limiting block 306 is completely fitted in the fitting groove 305, at this time, the detector 1 is fitted in the mounting base 2 through the mounting groove 303, and the positioning column 302 is fitted in the positioning groove 304, when the positioning column 302 is completely fitted in the positioning groove 304, at this time, the limiting groove 301 is aligned with the fitting groove 305 in position, then the force applied to the pull ring 309 is released, at this time, the spring 308 deforms back, the spring 308 drives the limiting block 306 to return to the original position, at this time, one end of the limiting block 306 is fitted in the fitting groove 305, and the other end is fitted in the limiting groove 301, so that the limiting block 306 fixes and installs the detector 1 in the mounting base 2, when the detector 1 needs to be disassembled and repaired, at this time, the limiting block 306 is completely fitted in the fitting groove 305 by pulling the pull ring 309, at this time, the limiting block 306 loses the positioning effect on the detector 1, so that the detector 1 can be taken out from the inside of the mounting base 2.

[0022] Further, the positioning column 302 is a dovetail-shaped block, the positioning groove 304 is a dovetail-shaped groove, the positioning column 302 is matched in size with the positioning groove 304, through the positioning column 302, when the positioning column 302 is completely fitted in the positioning groove 304 in use, the limiting groove 301 can be aligned with the fitting groove 305 in position.

[0023] Further, the bottom of the detector 1 is matched in size with the mounting groove 303, and the bottom of the detector 1 is fitted in the mounting base 2 through the mounting groove 303.

[0024] Further, the cross section of the embedded groove 305 is a "T" type groove, one end of the limiting block 306 is matched with the size of the limiting groove 301, through the setting of the limiting block 306, when one end of the limiting block 306 is embedded in the inside of the embedded groove 305 and the other end is embedded in the inside of the limiting groove 301 in use, at this time the limiting block 306 can fix and install the detector 1 in the inside of the mounting base 2.

[0025] Further, the spring 308 is arranged in the inside of the embedded groove 305, one end of the spring 308 is fixedly connected with the mounting base 2, the other end of the spring 308 is fixedly connected with the limiting block 306, through the setting of the spring 308, when the spring 308 deforms by rebounding in use, the spring 308 can drive the limiting block 306 to return to the original position.

[0026] Further, the alarm mechanism 4 includes a key 401, a display screen 402, an alarm lamp 403, a buzzer 404, a first connecting line 405 and a second connecting line 406, the surface side of the detector 1 is installed with the key 401, the surface side of the detector 1 is installed with the display screen 402, the surface side of the detector 1 is installed with the alarm lamp 403, the surface side of the detector 1 is installed with the buzzer 404, the other surface side of the detector 1 is connected with the first connecting line 405, the other surface side of the detector 1 is connected with the second connecting line 406, through the setting of the key 401, the display screen 402, the alarm lamp 403, the buzzer 404, the first connecting line 405 and the second connecting line 406, in use, first connect the two groups of first connecting lines 405 and the two groups of second connecting lines 406 at the incoming line end and the outgoing line end of the contactor main contact respectively, one end of the first connecting line 405 is installed with a voltage sensor, one end of the second connecting line 406 is installed with a current sensor, set the alarm threshold of the detector 1 through the key 401, at this time the voltage sensor of the first connecting line 405 detects voltage and the current sensor of the second connecting line 406 detects current, when the detector 1 judges that the contactor is adhered, at this time the alarm lamp 403 flashes and the buzzer 404 emits a buzzing alarm, so that the flashing light of the alarm lamp 403 and the buzzing alarm of the buzzer 404 can make the operator connect the situation in time and handle it.

[0027] Further, the key 401 is electrically connected with the detector 1, the first connecting line 405 is electrically connected with the detector 1, the second connecting line 406 is electrically connected with the detector 1, through the setting of the first connecting line 405 and the second connecting line 406, in use, the voltage sensor installed at one end of the first connecting line 405 can detect voltage and the current sensor installed at one end of the second connecting line 406 can detect current.

[0028] Working principle: first, the installation base 2 is installed and fixed, then pull the pull ring 309, at this time the pull ring 309 drives the limiting block 306 to move to the inside of the embedded groove 305 through the connecting rod 307, at this time the limiting block 306 extrudes the spring 308 so that the spring 308 is compressed and deformed, when the limiting block 306 is completely embedded in the inside of the embedded groove 305, at this time the detection instrument 1 is embedded in the inside of the installation base 2 through the installation groove 303, and the positioning column 302 is embedded in the inside of the positioning groove 304, when the positioning column 302 is completely embedded in the inside of the positioning groove 304, at this time the limiting groove 301 is aligned with the embedded groove 305, then the force applied on the pull ring 309 is released, at this time the spring 308 is elastically deformed, the elastically deformed spring 308 drives the limiting block 306 to return to the original position, at this time one end of the limiting block 306 is embedded in the inside of the embedded groove 305, and the other end is embedded in the inside of the limiting groove 301, so that the limiting block 306 fixes and installs the detection instrument 1 in the inside of the installation base 2, when the detection instrument 1 needs to be disassembled and maintained, at this time only the pull ring 309 is pulled to make the limiting block 306 completely embedded in the inside of the embedded groove 305, at this time the limiting block 306 loses the positioning effect on the detection instrument 1, so that the detection instrument 1 can be taken out from the inside of the installation base 2, first, connect the two groups of first connecting wires 405 and the two groups of second connecting wires 406 to the incoming line end and the outgoing line end of the contactor main contact respectively, one end of the first connecting wire 405 is provided with a voltage sensor, one end of the second connecting wire 406 is provided with a current sensor, the detection instrument 1 is set by the key 401 The alarm threshold value is detected at this time the voltage sensor of the first connecting wire 405, the current sensor of the second connecting wire 406 detects the current, when the detection instrument 1 judges that the contactor is stuck, at this time the warning light 403 flashes, and the buzzer 404 emits a buzzing alarm, so that the flashing light of the warning light 403 and the buzzing alarm of the buzzer 404 can make the operator timely connect the situation and handle.

[0029] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the present application, the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An AC-DC contactor sticking detection mechanism comprising a detector (1) and a mounting mechanism (3), characterized in that: The bottom of the detector (1) is provided with a mounting base (2), one surface side of the detector (1) is provided with a mounting mechanism (3), and one surface side of the detector (1) is provided with an alarm mechanism (4). The mounting mechanism (3) comprises a limiting groove (301), a positioning column (302), a mounting groove (303), a positioning groove (304), a fitting groove (305), a limiting block (306), a connecting rod (307), a spring (308) and a pull ring (309), one surface side of the detector (1) is provided with the limiting groove (301), one surface side of the detector (1) is fixedly connected with the positioning column (302), one surface side of the mounting base (2) is provided with the mounting groove (303), the inner wall of the mounting base (2) is provided with the positioning groove (304), the inside of the mounting base (2) is provided with the fitting groove (305), the inside of the fitting groove (305) is fitted with the limiting block (306), one end of the limiting block (306) is fixedly connected with the connecting rod (307), the surface of the connecting rod (307) is provided with the spring (308), and one end of the connecting rod (307) is fixedly connected with the pull ring (309).

2. The sticking detection mechanism of an AC-DC contactor according to claim 1, characterized in that: The positioning column (302) is a dovetail-shaped block, the positioning groove (304) is a dovetail-shaped groove, and the positioning column (302) and the positioning groove (304) are matched in size.

3. The sticking detection mechanism of an AC-DC contactor according to claim 1, characterized in that: The bottom of the detector (1) is matched in size with the mounting groove (303), and the bottom of the detector (1) is fitted in the inside of the mounting base (2) through the mounting groove (303).

4. The sticking detection mechanism of an AC-DC contactor according to claim 1, characterized in that: The cross section of the fitting groove (305) is a "T"-shaped groove, and one end of the limiting block (306) is matched in size with the limiting groove (301).

5. The sticking detection mechanism of an AC-DC contactor according to claim 1, characterized in that: The spring (308) is arranged in the inside of the fitting groove (305), one end of the spring (308) is fixedly connected with the mounting base (2), and the other end of the spring (308) is fixedly connected with the limiting block (306).

6. The sticking detection mechanism of an AC-DC contactor according to claim 1, characterized in that: The alarm mechanism (4) comprises a key (401), a display screen (402), an alarm lamp (403), a buzzer (404), a first connecting line (405) and a second connecting line (406), one surface side of the detector (1) is provided with the key (401), one surface side of the detector (1) is provided with the display screen (402), one surface side of the detector (1) is provided with the alarm lamp (403), one surface side of the detector (1) is provided with the buzzer (404), the other surface side of the detector (1) is connected with the first connecting line (405), and the other surface side of the detector (1) is connected with the second connecting line (406).

7. The mechanism for detecting the sticking of the AC-DC contactor according to claim 6, wherein: The key (401) is electrically connected with the detector (1), the first connecting line (405) is electrically connected with the detector (1), and the second connecting line (406) is electrically connected with the detector (1).

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