Relay protection pressing plate position detection device

By designing a relay protection pressure plate position detection device, which uses a triggering mechanism and indicator lights to display the status of the connection piece, the problem of mis-connection or missed connection caused by manual operation is solved, and automatic detection and remote monitoring are realized, thereby improving the safety and reliability of the power system.

CN223611657UActive Publication Date: 2025-11-28张艳磊
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Patent Information

Application Number
CN202422787041.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-15
Publication Date
2025-11-28
Estimated Expiration
2034-11-15

AI Technical Summary

Technical Problem

The operation of the connection plates of existing relay protection devices relies on manual operation, which is prone to mis-connection or missed connection, leading to potential safety hazards in the power system.

Method used

A relay protection pressure plate position detection device was designed. Through the cooperation of triggering mechanism and indicator light, the on/off status of the connecting piece is displayed in real time. The limit structure prevents non-human disconnection. Automatic detection and remote monitoring are achieved by using micro switch and control module.

Benefits of technology

It effectively avoids unintentional disconnection of the connecting pieces, ensures the correct activation/deactivation status of the relay protection device, reduces erroneous or missed activation, improves the safety and operational reliability of the power system, and supports remote monitoring.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of relay protection pressing plates, in particular to a relay protection pressing plate position detection device. The device comprises a device body, the device body comprises a connecting piece and two connecting ends; the two ends of the connecting piece are in rotating fit and clamping fit with the two connecting ends correspondingly. A mounting seat is arranged on one side of the connecting end, a trigger mechanism and a mounting cavity for accommodating the trigger mechanism are arranged at the mounting seat, and the trigger mechanism is connected with an indicator lamp and a pressing plate; the pressing plate is in sliding fit with the mounting base in the height direction of the connecting end and abuts against one side of the connecting piece. And the pressing plate is used for enabling the pressing plate to displace after the connecting sheet is separated from the connecting end, and is matched with the triggering mechanism after displacement to enable the indicating lamp to be kept in a light-on state. According to the utility model, the indicating lamps can be respectively in an off state through two position differences of connection or disconnection of the connecting sheet, so that position detection of the protective pressing plate, namely the connecting sheet, is realized.
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Description

TECHNICAL FIELD

[0001] The utility model relates to relay protection pressure plate technical field, specifically, relate to a relay protection pressure plate position detection device. BACKGROUND

[0002] The relay protection pressure plate comprises a hard pressure plate, and the hard pressure plate is also called a protection connecting piece and is a bridge and a link of a relay protection device and a power system, and is related to whether the relay protection function is put into use to the power system.

[0003] The existing connecting piece mainly relies on manual operation of on-off, that is, putting in and taking out, but the operating personnel may exist misputting or missing putting, and the situation is not perceived, so that the connecting piece cannot be kept in the proper on-off state when the relay protection device needs to be put into or does not need to be put into, and the power system has a safety hidden danger. UTILITY MODEL CONTENTS

[0004] The utility model provides a relay protection pressure plate position detection device, which can overcome certain or some defects of the prior art.

[0005] According to the relay protection pressure plate position detection device, the two ends of the connecting piece are rotatably matched and clamped in the two connecting ends;

[0006] One side of the connecting end is provided with a mounting seat, the mounting seat is provided with a trigger mechanism and a mounting cavity for accommodating the trigger mechanism, the trigger mechanism is connected with an indicating lamp and a pressing plate; the pressing plate is slidably matched with the mounting seat along the height direction of the connecting end and abuts against one side of the connecting piece; the pressing plate is used for enabling the pressing plate to be displaced after the connecting piece is separated from the connecting end, and the indicating lamp is kept in a bright state after being matched with the trigger mechanism.

[0007] The utility model discloses a trigger mechanism and pressing plate, can make the one end of connecting sheet and the connecting end of joint separate, can make the pressing plate slide and cooperate with the trigger mechanism to keep the indicating lamp and make the indicating lamp bright, and the indicating lamp is bright to show the connecting sheet disconnecting state, the exit state of relay protection device, the indicating lamp does not bright after the connecting sheet and two connecting ends connect, shows that the connecting sheet has connected two connecting ends, shows that relay protection device is in the input state, makes the indicating lamp be in the extinguishing state respectively through the two position difference of connecting sheet connection or disconnection, realizes the position detection of protection pressing plate, namely connecting sheet, and this, when connecting sheet and two connecting ends are connected, the one side of pressing plate and connecting sheet abuts tightly, can limit the position of connecting sheet, prevents the vibration and leads to the disconnection of connecting sheet and connecting end, directly avoids the non-human disconnection of connecting sheet.

[0008] As preferred, the mounting seat comprises a base and a cover plate; the mounting cavity is located at the base; the trigger mechanism comprises a micro switch fixed at the bottom of the mounting cavity and having a contact point; the micro switch is electrically connected with a control module located at the cover plate, the control module is electrically connected with a power supply and electrically connected with the indicating lamp; the indicating lamp is arranged through the cover plate; the trigger mechanism further comprises a driving member connected with the pressing plate and used for pressing the contact point.

[0009] In the utility model, through the setting of micro switch, control module, power supply and indicating lamp, after the driving member presses the contact point of micro switch, the control module can obtain the signal, and then the control module controls the indicating lamp to light, so that when the connecting sheet is disconnected from the connecting end, the pressing plate must be pressed, and then the pressing plate slides and cooperates with the driving member to press the contact point, so that the indicating lamp can light.

[0010] As preferred, the driving member comprises a containing cavity arranged at the base and penetrating the mounting cavity; the containing cavity is arranged along the height of the connecting end and is slidingly fitted with a sliding block; one side of the sliding block is connected with a contact head extending into the mounting cavity and corresponding to the contact point; the contact head is used for pressing the contact point when the sliding block slides to the bottom of the containing cavity; the bottom of the containing cavity is provided with a spring; the spring is used for keeping the contact head separated from the contact point and making the pressing plate in the path of the rotation of the connecting sheet when separated; one end of the sliding block is connected with a plug post, and the cover plate is provided with a socket for the plug post to extend out; one end of the pressing plate connected with the plug post extends out of the socket.

[0011] In the utility model, through the setting of the spring, when the spring is in the non-compressed state, the pressing plate can always abut against one side of the connecting sheet, so as to prevent the non-human disconnection of the connecting sheet, and the contact head is always separated from the contact point, so as to make the indicating lamp always extinguish.

[0012] As preferred, one end face of the pressing plate away from the plug post is provided with a limiting groove for the connecting sheet to embed.

[0013] The utility model discloses, through the setting of the limiting groove, make the connecting piece can cooperate with the limiting groove in the state of the lower pressure of pressing plate after the breakaway from the connecting end, thereby make the connecting piece always keep the breakaway state, prevent the non - human cause mistake and throw, and the indication lamp is bright at this time can remind the operating personnel connecting piece is in the breakaway state, to the warning mistake or miss the throw, remind the operating personnel to make the correct operation.

[0014] As preferred, the pressing plate is provided with a baffle at the side away from the connecting end, and the height of the baffle is greater than the stroke of the pressing plate.

[0015] In the utility model, through the setting of the baffle, the connecting piece cannot be separated from the limiting groove of the pressing plate, so that the connecting piece can only be communicated with two connecting ends or disconnected from the connecting end to keep the pressing plate pressed down to light the indicator lamp; the connecting piece is neither communicated with the connecting end nor pressed down the pressing plate, and the state of the connecting piece disconnected and the relay protection device exiting without triggering the micro switch to light the indicator lamp, resulting in an error.

[0016] As preferred, the connecting end is provided with a nut in threaded cooperation, and the nut is used to press the connecting piece tightly at the connecting end; a connecting seat is connected between the two connecting ends, and the mounting seat is provided with a mounting plate at one side in detachable connection with the connecting seat.

[0017] In the utility model, through the setting of the mounting plate, the mounting plate can be connected with the connecting end through the fastener, thereby improving the replacement efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the schematic diagram of the device body connecting piece in the embodiment 1;

[0019] Figure 2 It is the schematic diagram of the connecting piece in the embodiment 1;

[0020] Figure 3 It is the schematic diagram of the device body in the embodiment 1;

[0021] Figure 4 It is the schematic diagram of the mounting seat in the embodiment 1;

[0022] Figure 5 It is the schematic diagram of the device body in the embodiment 1;

[0023] Figure 6 It is the schematic diagram of the trigger mechanism and the indicator lamp in the embodiment 1. DETAILED DESCRIPTION

[0024] In order to further understand the content of the utility model, the utility model is described in detail in combination with the embodiment. It should be understood that the embodiment is only an explanation of the utility model but not a limitation.

[0025] Embodiment 1

[0026] As Figures 1-6 shown, the embodiment provides a relay protection pressure plate position detection device, which comprises a device body 100; the device body 100 comprises a connecting piece 140 and two connecting ends 150; two ends of the connecting piece 140 are respectively rotationally fitted and clamped at the two connecting ends 150;

[0027] One side of the connecting end 150 is provided with a mounting seat 110, the mounting seat 110 is provided with a trigger mechanism 470 and a mounting cavity 4112 for accommodating the trigger mechanism 470, the trigger mechanism 470 is connected with an indicating lamp 130 and a pressing plate 120; the pressing plate 120 is slidingly fitted with the mounting seat 110 along the height direction of the connecting end 150, and abuts against one side of the connecting piece 140; the pressing plate 120 is used to displace the pressing plate 120 after the connecting piece 140 is separated from the connecting end 150, and cooperate with the trigger mechanism 470 after displacement to keep the indicating lamp 130 in a bright state.

[0028] Through the trigger mechanism 470 and the pressing plate 120 in the embodiment, after one end of the connecting piece 140 is separated from the clamped connecting end 150, the pressing plate 120 can be made to slide and cooperate with the trigger mechanism 470 to keep the indicating lamp 130 bright, and the indicating lamp 130 is bright to indicate that the connecting piece 140 is in a disconnected state, i.e. the exit state of the relay protection device; after the connecting piece 140 is connected with the two connecting ends 150, the indicating lamp 130 will not be bright, which indicates that the connecting piece 140 has been connected with the two connecting ends 150, indicating that the relay protection device is in an input state; the indicating lamp 130 is in an off-bright state through the difference between the two positions of the connecting piece 140 being connected or disconnected, so as to realize the position detection of the protection pressure plate, i.e. the connecting piece 140; Furthermore, when the connecting piece 140 is connected with the two connecting ends 150, the pressing plate 120 abuts against one side of the connecting piece 140, which can limit the position of the connecting piece 140, prevent the connecting piece 140 from being disconnected from the connecting end 150 due to vibration, and directly avoid the non-human disconnection of the connecting piece 140.

[0029] In the embodiment, the mounting seat 110 comprises a base 411 and a cover plate 412; the mounting cavity 4112 is located at the base 411; the trigger mechanism 470 comprises a micro switch 472 fixed at the bottom of the mounting cavity 4112 and having a contact 4720; the micro switch 472 is electrically connected with a control module 574 located at the cover plate 412, the control module 574 is electrically connected with a power supply 473 and electrically connected with the indicating lamp 130; the indicating lamp 130 is provided through the cover plate 412; the trigger mechanism 470 further comprises a driving piece 471 connected with the pressing plate 120 and used to press the contact 4720.

[0030] The micro switch 472, the control module 574, the power supply 473 and the indicator lamp 130 in the embodiment are provided so that when the driving part 471 presses the contact 4720 of the micro switch 472, the control module 574 can obtain a signal, and then the control module 574 controls the indicator lamp 130 to light up, so that when the connecting piece 140 is disconnected from the connecting end 150, pressure must be applied to the pressing plate 120, so that the pressing plate 120 slides and cooperates with the driving part 471 to press the contact 4720, and the indicator lamp 130 can light up; the control module 574 can be a microcontroller such as Arduino, ESP32 or ESP8266, the microcontroller has a wireless transmission unit, and the power supply 473 provides the required voltage for the microcontroller and the indicator lamp 130; the pin of the micro switch 472 is connected to the microcontroller; by writing a known code, the microcontroller constantly checks the state of the micro switch 472 pin such as high and low level, and judges whether the micro switch 472 is pressed; when the pressing plate 120 and the driving part 471 press the contact 4720 of the micro switch 472, the microcontroller starts the indicator lamp 130 to light up, and turns off the bulb after releasing; at the same time, the wireless transmission unit can wirelessly transmit the on-off state of the bulb, and send a signal to the control room and other monitoring systems to realize remote monitoring of the on-off of the connecting piece 140, the position of the connecting piece 140, the on-off state of the relay protection device, and the like.

[0031] In the embodiment, the driving part 471 includes a containing cavity 4111 provided at the base 411 and penetrating the mounting cavity 4112; the containing cavity 4111 is provided at the height of the connecting end 150 and is slidingly fitted with a sliding block 4710; one side of the sliding block 4710 is connected with a contact 4712 extending into the mounting cavity 4112 and corresponding to the contact 4720; the contact 4712 is used to press the contact 4720 when the sliding block 4710 slides to the bottom of the containing cavity 4111; the bottom of the containing cavity 4111 is provided with a spring 4713; the spring 4713 is used to keep the contact 4712 separated from the contact 4720, and when separated, the pressing plate 120 is in the path of rotation of the connecting piece 140; one end of the sliding block 4710 is connected with a plug column 4711, and the cover plate 412 is provided with a socket 4120 for the plug column 4711 to extend out; the pressing plate 120 is connected with one end of the plug column 4711 extending out of the socket 4120.

[0032] The spring 4713 in the embodiment is provided so that when the spring 4713 is in a non-compressed state, the pressing plate 120 can always abut against one side of the connecting piece 140, thereby preventing the connecting piece 140 from being disconnected artificially, and the contact 4712 can always be separated from the contact 4720, thereby keeping the indicator lamp 130 off.

[0033] In the embodiment, the end face of the pressing plate 120 away from the plug column 4711 is provided with a limiting groove 421 for embedding the connecting piece 140.

[0034] Through the setting of the limiting groove 421 in the embodiment, the connecting sheet 140 can cooperate with the limiting groove 421 in the state of being pressed by the pressing plate 120 after being disconnected from the connecting end 150, so that the connecting sheet 140 always remains in the disconnected state, prevents non-human caused misfeeding, and at this time, the indicator lamp 130 is turned on to remind the operator that the connecting sheet 140 is in the disconnected state, so as to warn misfeeding or missing feeding and remind the operator to make correct operation.

[0035] In the embodiment, the pressing plate 120 is provided with a baffle 422 on the side away from the connecting end 150, and the height of the baffle 422 is greater than the stroke size of the pressing plate 120.

[0036] Through the setting of the baffle 422 in the embodiment, the connecting sheet 140 cannot be separated from the limiting groove 421 of the pressing plate 120, so that the connecting sheet 140 can only be in communication with two connecting ends 150 or be disconnected from the connecting end 150 to keep the pressing plate 120 pressed to turn on the indicator lamp 130; the connecting sheet 140 neither communicates with the connecting end 150 nor presses the pressing plate 120, the state of the connecting sheet 140 being disconnected and the relay protection device being exited without triggering the micro switch 472 to turn on the indicator lamp 130, and errors are prevented.

[0037] In the embodiment, the connecting end 150 is threadedly connected with a nut 160, the nut 160 is used to press the connecting sheet 140 tightly on the connecting end 150, the connecting seat 351 is connected between the two connecting ends 150, and the mounting plate 3110 is detachably connected with the connecting seat 351 on one side of the mounting seat 110.

[0038] Through the setting of the mounting plate 3110 in the embodiment, the mounting plate 3110 can be connected with the connecting end 150 through fasteners, so as to improve the replacement efficiency.

[0039] It is easy to understand that, based on one or more embodiments provided in the present application, other embodiments can be obtained by combining, splitting, recombining, etc. of the embodiments of the present application, and these embodiments do not exceed the protection scope of the present application.

[0040] The above describes the present application and its embodiments in a schematic manner, and the description is not restrictive, and the embodiments shown are only part of the embodiments of the present application, and the actual structure is not limited thereto. Therefore, if a person skilled in the art is inspired by the present application, without departing from the creative purpose of the present application, similar structural modes and embodiments can be designed without creative design, which should belong to the protection scope of the present application.

Claims

1. A relay protection platen position detection device, characterized by: The device body (100) comprises a connecting sheet (140) and two connecting ends (150); the two ends of the connecting sheet (140) are rotationally matched and clamped at the two connecting ends (150) respectively; One side of the connecting end (150) is provided with a mounting seat (110), the mounting seat (110) is provided with a trigger mechanism (470) and a mounting cavity (4112) for accommodating the trigger mechanism (470), the trigger mechanism (470) is connected with an indicator lamp (130) and a pressing plate (120); the pressing plate (120) is slidingly matched with the mounting seat (110) along the height direction of the connecting end (150) and abuts against one side of the connecting sheet (140); the pressing plate (120) is used for enabling the pressing plate (120) to displace after the connecting sheet (140) is separated from the connecting end (150), and enabling the indicator lamp (130) to keep on after displacement and cooperation with the trigger mechanism (470).

2. The relay protection panel position detection device according to claim 1, characterized in that: The mounting seat (110) comprises a base (411) and a cover plate (412); the mounting cavity (4112) is located at the base (411); the trigger mechanism (470) comprises a micro switch (472) fixed at the bottom of the mounting cavity (4112) and having a contact (4720); the micro switch (472) is electrically connected with a control module (574) located at the cover plate (412), the control module (574) is electrically connected with a power supply (473) and electrically connected between the indicator lamp (130); the indicator lamp (130) is arranged through the cover plate (412); the trigger mechanism (470) further comprises a driving piece (471) connected with the pressing plate (120) and used for pressing the contact (4720).

3. A relay protection panel position detection device according to claim 2, characterized in that: The driving piece (471) comprises an accommodating cavity (4111) arranged at the base (411) and penetrating the mounting cavity (4112); the accommodating cavity (4111) is arranged along the height of the connecting end (150) and slidingly matched with a sliding block (4710); one side of the sliding block (4710) is connected with a contact head (4712) extending into the mounting cavity (4112) and corresponding to the contact (4720); the contact head (4712) is used for pressing the contact (4720) when the sliding block (4710) slides to the bottom of the accommodating cavity (4111); the bottom of the accommodating cavity (4111) is provided with a spring (4713); the spring (4713) is used for enabling the contact head (4712) to keep separated from the contact (4720) and enabling the pressing plate (120) to be in the path of rotation of the connecting sheet (140) when separated; one end of the sliding block (4710) is connected with a plug column (4711), the cover plate (412) is provided with a plug opening (4120) for the plug column (4711) to extend out; one end of the pressing plate (120) connected with the plug column (4711) extending out of the plug opening (4120).

4. The relay protection panel position detection device according to claim 3, characterized in that: One end face of the pressing plate (120) away from the plug column (4711) is provided with a limiting groove (421) for embedding the connecting sheet (140).

5. A relay protection panel position detection device according to claim 4, characterized in that: One side of the pressing plate (120) away from the connecting end (150) is provided with a baffle (422), the height of the baffle (422) is greater than the stroke of the pressing plate (120).

6. The relay protection panel position detection device according to claim 1, characterized in that: A threaded cap (160) is threadedly connected to the connecting end (150), and the threaded cap (160) is used to press the connecting sheet (140) against the connecting end (150); a connecting seat (351) is connected between the two connecting ends (150), and a mounting plate (3110) is arranged on one side of the mounting seat (110) and is detachably connected with the connecting seat (351).