Quick-acting oil pressure relay monitoring device

By introducing a fixing component and a detection component into the fast-acting hydraulic relay monitoring device, the problem of unstable relay position is solved, ensuring the accuracy and reliability of the monitoring results.

CN223756286UActive Publication Date: 2026-01-02YUNNAN ZHONGCHAO ELECTRIC POWER TECH DEV CO LTD
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Patent Information

Application Number
CN202520446308.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-14
Publication Date
2026-01-02
Estimated Expiration
2035-03-14

AI Technical Summary

Technical Problem

The existing fast-acting hydraulic relay monitoring device lacks a fixed structure, which causes the relay to be unstable under external factors such as vibration or wind, affecting the accuracy of the monitoring results.

Method used

The design incorporates a fixing component and a detection component. The fixing component secures the relay with clamps and fastening bolts, while the detection component monitors oil pressure changes in real time using a hydraulic cylinder and a pressure sensor to ensure relay stability and monitoring accuracy.

Benefits of technology

This enables stable installation and accurate testing of the fast-acting hydraulic relay, improving the reliability and accuracy of the monitoring results.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223756286U_ABST
Patent Text Reader

Abstract

The utility model discloses a quick-acting oil pressure relay monitoring device which comprises an operation table, and supporting legs are fixedly installed at the lower end of the operation table. The supporting frame is fixedly mounted at the upper end of the operation table; the test tube is fixedly mounted on the inner side of the supporting frame; and the quick-acting oil pressure relay body is arranged at the upper end of the test tube. According to the quick-acting oil pressure relay monitoring device, when a quick-acting oil pressure relay body needs to be fixed, firstly, the quick-acting oil pressure relay body is placed at the upper end of a test tube, related pipelines and cables are connected, and after placement is completed, a fastening bolt is manually rotated, so that the fastening bolt rotates along the inner side of a supporting plate; the clamping plates on the two sides of the quick-acting oil pressure relay body are pushed forwards, the clamping plates clamp the outer side of the quick-acting oil pressure relay body by pushing the clamping plates, the quick-acting oil pressure relay body is fixed, and the installation stability of the quick-acting oil pressure relay body is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to relay monitoring technical field, concretely is a quick action oil pressure relay monitoring device. BACKGROUND

[0002] The quick action oil pressure relay is a protective device developed to prevent the explosion of the transformer oil tank in the fault, which uses the dynamic pressure increase in the oil tank caused by the accident to act, when the oil pressure growth rate exceeds a certain threshold, the relay will quickly send a signal and cut off the power supply, thereby protecting the transformer from serious damage, and the quick action oil pressure relay monitoring device is a device specially used for detecting the performance of the quick action oil pressure relay, its main function is to realize the real-time monitoring of the key parameters such as the action characteristic and sealing performance of the quick action oil pressure relay, to ensure that the quick action oil pressure relay can work accurately and reliably.

[0003] The utility model of a quick action oil pressure relay impact test device with publication number CN221945523U comprises a test tank, an oil inlet mechanism, a pressure sensor and a rapid pressure increasing mechanism, an operating platform for installing the quick action oil pressure relay is arranged at the upper end of the test tank, the oil inlet mechanism is connected with the test tank and is used for conveying transformer oil for testing into the test tank, the pressure sensor is arranged on the tank body of the test tank and is used for monitoring the pressure of the test tank, and the rapid pressure increasing mechanism is connected with the test tank and is used for compressing the transformer oil in the test tank to rapidly increase the pressure of the test tank. The utility model simulates the real use scene through the cooperation of the test tank, the oil inlet mechanism, the pressure sensor and the rapid pressure increasing mechanism, and can comprehensively and accurately detect the reliability of the quick action oil pressure relay under oil pressure impact.

[0004] However, the device does not have a structure for fixing the quick action oil pressure relay, which is a key equipment for monitoring the transformer oil pressure, and the stability of its installation position is crucial for the accuracy of the monitoring results. If the relay is not fixed properly, it may move due to external factors such as vibration and wind, resulting in deviations in the monitoring results.

[0005] In view of the above problems, we have innovatively designed the structure of the original quick action oil pressure relay monitoring device. UTILITY MODEL CONTENTS

[0006] The utility model aims to provide a quick action oil pressure relay monitoring device to solve the problem that the device does not have a structure for fixing the quick action oil pressure relay in the above background technology, which is a key equipment for monitoring the transformer oil pressure, and the stability of its installation position is crucial for the accuracy of the monitoring results. If the relay is not fixed properly, it may move due to external factors such as vibration and wind, resulting in deviations in the monitoring results.

[0007] In order to achieve the above object, the utility model provides following technical scheme: a quick action oil pressure relay monitoring device, operation platform is fixedly installed with support leg in operation platform lower end, support frame is fixedly installed on operation platform upper end, still include: test pipe, test pipe is fixedly installed in support frame inner side, quick action oil pressure relay body, quick action oil pressure relay body is arranged on test pipe upper end, exhaust port, exhaust port is fixedly installed in quick action oil pressure relay body outside, fixed assembly, fixed assembly is arranged in quick action oil pressure relay body outside, detection assembly, detection assembly is arranged in test pipe bottom, wherein, the fixed assembly is used for the quick action oil pressure relay body fixed clamping, the detection assembly is used for the quick action oil pressure relay body oil pressure detection.

[0008] Preferably, the fixed assembly comprises a chute and a support plate, the chute is opened in the inner side of the test pipe, and the support plate is fixedly installed in the inner side of the chute.

[0009] Preferably, the fixed assembly further comprises a first telescopic spring and a clamping plate, the first telescopic spring is fixedly connected to the outer side of the support plate, and the tail end of the first telescopic spring is fixedly connected with the clamping plate, the clamping plate is slidingly connected to the inner side of the chute, and the clamping plate is symmetrically arranged with two groups about the midpoint of the quick action oil pressure relay body.

[0010] Preferably, the fixed assembly further comprises a fastening bolt, the fastening bolt is threadedly connected to the inner side of the support plate, and the tail end of the fastening bolt is correspondingly distributed with the clamping plate.

[0011] Preferably, the detection assembly comprises a hydraulic cylinder and a piston, the hydraulic cylinder is fixedly connected to the bottom of the operation table, and the output end of the hydraulic cylinder penetrates the inner side of the operation table, and the output end of the hydraulic cylinder is fixedly connected with the piston, and the piston is correspondingly distributed with the test pipe.

[0012] Preferably, the detection assembly further comprises a bottom plate, a sliding rod, a top plate, a second telescopic spring and a pressure sensor, the bottom plate is fixedly connected to the output end of the hydraulic cylinder, and the inner side of the bottom plate is slidingly connected with the sliding rod, the top plate is fixedly connected to the top of the sliding rod, and the top plate is slidingly connected to the output end of the hydraulic cylinder, the second telescopic spring is connected between the top plate and the bottom plate, and the pressure sensor is fixedly installed on the upper end of the bottom plate.

[0013] Preferably, the detection assembly further comprises a battery, an information processing module, a control module and a display screen, the battery is fixedly installed on the outer side of the support frame, the information processing module is fixedly installed on the outer side of the support frame, the control module is fixedly installed on the outer side of the support frame, and the display screen is fixedly installed on the outer side of the support frame, the battery is electrically connected with the pressure sensor, the information processing module, the control module and the display screen respectively.

[0014] Compared with the prior art, the quick-action oil pressure relay monitoring device has the beneficial effects that:

[0015] 1. The fixing structure is used for fixing the quick-action oil pressure relay body when necessary, first places the quick-action oil pressure relay body on the upper end of the test pipe, connects the related pipelines and cables, and then manually rotates the fastening bolt to make the fastening bolt rotate along the inner side of the support plate, push the clamps on the two sides of the quick-action oil pressure relay body forward, and clamp the clamps on the outer side of the quick-action oil pressure relay body through the pushing of the clamps, so as to fix the quick-action oil pressure relay body and improve the installation stability of the quick-action oil pressure relay body.

[0016] 2. The detection structure is used for detecting the oil pressure impact performance of the quick-action oil pressure relay body, drives the piston to slide along the inner side of the test pipe through the operation of the hydraulic cylinder, gradually increases the oil pressure in the test pipe along with the continuous pushing of the piston, and contacts the bottom of the test pipe when the output end of the hydraulic cylinder moves to the inner side of the test pipe, so that the top plate is extruded by the bottom of the test pipe to compress the extension spring to slide downward along the output end of the hydraulic cylinder and extrude the pressure sensor, so that the pressure sensor can monitor the oil pressure change in real time and transmit the data to the information processing module, the information processing module processes and analyzes the received data to obtain the oil pressure performance test result of the quick-action oil pressure relay, and displays the result on the display screen. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a whole three-dimensional structure schematic view of the utility model;

[0018] Figure 2 It is a whole three-dimensional structure schematic view of the utility model;

[0019] Figure 3 It is a whole three-dimensional structure schematic view of the utility model;

[0020] Figure 4 It is a whole three-dimensional structure schematic view of the utility model; Figure 1 It is an enlarged structure schematic view of A in the utility model;

[0021] Figure 5 It is a whole three-dimensional structure schematic view of the utility model;

[0022] Figure 6 It is a whole three-dimensional structure schematic view of the utility model;

[0023] In the diagram: 1. Control panel; 2. Support leg; 3. Support frame; 4. Test tube; 5. Quick-acting hydraulic relay body; 501. Exhaust port; 6. Fixing component; 601. Slide groove; 602. Support plate; 603. First telescopic spring; 604. Clamping plate; 605. Fastening bolt; 7. Detection component; 701. Hydraulic cylinder; 702. Piston; 703. Base plate; 704. Sliding rod; 705. Top plate; 706. Second telescopic spring; 707. Pressure sensor; 708. Battery; 709. Information processing module; 710. Control module; 711. Display screen. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] Please see Figures 1-6 This utility model provides a technical solution: a fast-acting hydraulic relay monitoring device, comprising:

[0026] Example 1: As Figures 1-4 The present invention provides a technical solution: a quick-acting hydraulic relay monitoring device, comprising: an operating table 1, with a support leg 2 fixedly installed at the lower end of the operating table 1; a support frame 3 fixedly installed at the upper end of the operating table 1; further comprising: a test tube 4 fixedly installed inside the support frame 3; a quick-acting hydraulic relay body 5 disposed at the upper end of the test tube 4; an exhaust port 501 fixedly installed outside the quick-acting hydraulic relay body 5; a fixing component 6 disposed outside the quick-acting hydraulic relay body 5; and a detection component 7 disposed at the bottom of the test tube 4; wherein, the fixing component 6 is used to fix and clamp the quick-acting hydraulic relay body 5; and the detection component 7 is used to detect the hydraulic pressure of the quick-acting hydraulic relay body 5.

[0027] The fixing component 6 includes a slide groove 601 and a support plate 602. The slide groove 601 is formed inside the test tube 4, and the support plate 602 is fixedly installed inside the slide groove 601. The fixing component 6 also includes a first telescopic spring 603 and a clamping plate 604. The first telescopic spring 603 is fixedly connected to the outside of the support plate 602, and the clamping plate 604 is fixedly connected to the tail end of the first telescopic spring 603. The clamping plate 604 is slidably connected to the inside of the slide groove 601, and two sets of clamping plates 604 are symmetrically arranged about the midpoint of the quick-acting hydraulic relay body 5. The fixing component 6 also includes a fastening bolt 605. The fastening bolt 605 is threadedly connected to the inside of the support plate 602, and the tail end of the fastening bolt 605 is distributed in a left-right correspondence with the clamping plate 604.

[0028] When this structure requires fixing the quick-acting hydraulic relay body 5, first place the quick-acting hydraulic relay body 5 on the upper end of the test tube 4 and connect the relevant pipelines and cables. After placement, manually rotate the fastening bolt 605, so that the fastening bolt 605 rotates along the inner side of the support plate 602, pushing the clamping plates 604 on both sides of the quick-acting hydraulic relay body 5 forward. By pushing the clamping plates 604 forward, the clamping plates 604 are clamped on the outer side of the quick-acting hydraulic relay body 5, fixing the quick-acting hydraulic relay body 5 and improving the installation stability of the quick-acting hydraulic relay body 5.

[0029] Example 2: Figures 1-2 , Figures 5-6 The present invention provides a technical solution: a fast-acting hydraulic relay monitoring device, which discloses that: the detection component 7 includes a hydraulic cylinder 701 and a piston 702. The hydraulic cylinder 701 is fixedly connected to the bottom of the operating platform 1, and the output end of the hydraulic cylinder 701 passes through the inner side of the operating platform 1. The piston 702 is fixedly connected to the output end of the hydraulic cylinder 701, and the piston 702 and the test tube 4 are distributed vertically in correspondence. The detection component 7 also includes a base plate 703, a sliding rod 704, a top plate 705, a second telescopic spring 706, and a pressure sensor 707. The base plate 703 is fixedly connected to the output end of the hydraulic cylinder 701, and the sliding rod 704 is slidably connected to the inner side of the base plate 703. The top plate 705 is fixedly connected to the top of the sliding rod 704. The top plate 705 is slidably connected to the output end of the hydraulic cylinder 701. A second telescopic spring 706 is connected between the top plate 705 and the bottom plate 703. A pressure sensor 707 is fixedly installed on the upper end of the bottom plate 703. The detection component 7 also includes a battery 708, an information processing module 709, a control module 710, and a display screen 711. The battery 708 is fixedly installed on the outside of the support frame 3. The information processing module 709 is fixedly installed on the outside of the support frame 3. The control module 710 is fixedly installed on the outside of the support frame 3. The display screen 711 is fixedly installed on the outside of the support frame 3. The battery 708 is electrically connected to the pressure sensor 707, the information processing module 709, the control module 710, and the display screen 711.

[0030] When the oil pressure impact performance of the quick-action oil pressure relay body 5 needs to be detected, the hydraulic cylinder 701 is operated, so that the piston 702 at the output end of the hydraulic cylinder 701 is driven to slide along the inside of the test pipe 4, and as the piston 702 continuously advances, the oil pressure inside the test pipe 4 gradually increases; when the output end of the hydraulic cylinder 701 moves to the inside of the test pipe 4, the top plate 705 will also be in contact with the bottom of the test pipe 4, the top plate 705 is compressed by the extrusion of the bottom of the test pipe 4, so that the second extension spring 706 slides downward along the output end of the hydraulic cylinder 701, and extrudes the pressure sensor 707, so that the pressure sensor 707 can monitor the change of the oil pressure in real time, and transmit the data to the information processing module 709; the information processing module 709 processes and analyzes the received data, obtains the oil pressure performance test result of the quick-action oil pressure relay body 5, and displays the result through the display screen 711.

[0031] The contents not described in detail in the specification belong to the prior art known to those skilled in the art.

[0032] 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 variations can be made to the 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. A quick-action oil pressure relay monitoring device, comprising an operating table (1), the lower end of which is fixedly installed with support legs (2); a support frame (3) fixedly installed on the upper end of the operating table (1); characterized in that, Also includes: Test tube (4), the test tube (4) is fixedly installed inside the support frame (3); Quick action oil pressure relay body (5), the quick action oil pressure relay body (5) is arranged on the upper end of the test tube (4); Exhaust port (501), the exhaust port (501) is fixedly installed outside the quick action oil pressure relay body (5); Fixed assembly (6), the fixed assembly (6) is arranged outside the quick action oil pressure relay body (5); Detection assembly (7), the detection assembly (7) is arranged at the bottom of the test tube (4); wherein, The fixed assembly (6) is used for fixedly clamping the quick action oil pressure relay body (5); The detection assembly (7) is used for detecting the oil pressure of the quick action oil pressure relay body (5).

2. A snap action oil pressure relay monitoring device according to claim 1, characterized in that: The fixed assembly (6) includes a chute (601) and a support plate (602), the chute (601) is opened inside the test tube (4), and the support plate (602) is fixedly installed inside the chute (601).

3. A snap action oil pressure relay monitoring device according to claim 2, wherein: The fixed assembly (6) further includes a first telescopic spring (603) and a clamping plate (604), the first telescopic spring (603) is fixedly connected outside the support plate (602), and the tail end of the first telescopic spring (603) is fixedly connected with the clamping plate (604), the clamping plate (604) is slidingly connected inside the chute (601), and the clamping plate (604) is symmetrically arranged about the midpoint of the quick action oil pressure relay body (5).

4. A snap action oil pressure relay monitoring device according to claim 3, wherein: The fixed assembly (6) further includes a fastening bolt (605), the fastening bolt (605) is threadedly connected inside the support plate (602), and the tail end of the fastening bolt (605) is distributed left and right corresponding to the clamping plate (604).

5. A snap action oil pressure relay monitoring device according to claim 1, wherein: The detection assembly (7) includes a hydraulic cylinder (701) and a piston (702), the hydraulic cylinder (701) is fixedly connected at the bottom of the operation table (1), and the output end of the hydraulic cylinder (701) penetrates the inside of the operation table (1), and the output end of the hydraulic cylinder (701) is fixedly connected with the piston (702), and the piston (702) is distributed corresponding to the test tube (4) up and down.

6. A snap action oil pressure relay monitoring device according to claim 5, wherein: The detection assembly (7) further includes a bottom plate (703), a sliding rod (704), a top plate (705), a second telescopic spring (706) and a pressure sensor (707), the bottom plate (703) is fixedly connected at the output end of the hydraulic cylinder (701), and the inside of the bottom plate (703) is slidingly connected with the sliding rod (704), the top of the sliding rod (704) is fixedly connected with the top plate (705), and the top plate (705) is slidingly connected at the output end of the hydraulic cylinder (701), the second telescopic spring (706) is connected between the top plate (705) and the bottom plate (703), and the pressure sensor (707) is fixedly installed at the upper end of the bottom plate (703).

7. A snap action oil pressure relay monitoring device according to claim 6, wherein: The detection assembly (7) further comprises a battery (708), an information processing module (709), a control module (710) and a display screen (711), the battery (708) is fixedly installed outside the support frame (3), the support frame (3) is fixedly installed outside the information processing module (709), the support frame (3) is fixedly installed outside the control module (710), and the support frame (3) is fixedly installed outside the display screen (711), and the battery (708) is electrically connected with the pressure sensor (707), the information processing module (709), the control module (710) and the display screen (711) respectively.

Citation Information

Patent Citations

  • Quick-acting oil pressure relay impact test device

    CN221945523U