CN223401173U

CN223401173U - RFID clamp plate state on-line monitoring device based on tilt switch

Info

Publication number: CN223401173U
Application number: CN202422785167.5U
Authority: CN
Inventors: 李志杰; 韩世飞; 张志亮; 张天虎; 刘晓姗; 赵亮; 魏晋军
Original assignee: BEIJING JOIN BRIGHT DIGITAL POWER TECHNOLOGY CO LTD
Current assignee: BEIJING JOIN BRIGHT DIGITAL POWER TECHNOLOGY CO LTD
Priority date: 2024-11-14
Filing date: 2024-11-14
Publication date: 2025-09-30
Anticipated expiration: 2034-11-14

Abstract

The utility model relates to the field of online monitoring technology, specifically to an RFID pressure plate status online monitoring device based on a tilt switch. The device comprises two opposing uprights, a pressure plate disposed between the two uprights, and a monitoring device fixed to the pressure plate. The monitoring device comprises a signal generator, a tilt switch connected to the signal generator, an RFID antenna module connected to the other end of the tilt switch, and an alarm module connected to the output end of the RFID antenna module. The output end of the signal generator is connected to one end of the tilt switch, and the input end of the RFID antenna module is connected to the other end of the tilt switch. This design utilizes a disconnectable RFID online monitoring device to achieve real-time monitoring of the pressure plate status.

Description

RFID clamp plate state on-line monitoring device based on tilt switch

Technical Field

The utility model relates to the technical field of online monitoring, in particular to an RFID (radio frequency identification) pressure plate state online monitoring device based on an inclined switch.

Background

In an online monitoring scene of a relay protection system, state monitoring of a pressing plate is crucial to safe and stable operation of power grid equipment. In daily operation and maintenance, the pressure plate is generally responsible for enabling or shielding control signals and fault handling signals of the relay protection system. However, the traditional pressure plate state monitoring means mainly rely on manual inspection and periodic inspection, and accurate monitoring and feedback of the real-time state of the pressure plate are difficult to realize. If the state of the pressing plate is abnormal in the case of fault or emergency, the relay protection device can not respond timely, so that the operation of the system is affected, and even equipment damage or safety accidents are caused.

Although the common RFID has certain advantages in equipment identification and tracking, the common RFID has significant defects in platen state monitoring. The common RFID can not continuously detect the state change of the pressing plate in real time, and particularly has low response capability and intelligent level in an online monitoring scene requiring high-frequency and real-time monitoring, so that the common RFID is difficult to timely give an alarm and take necessary measures when the state is abnormal. This makes it difficult to effectively ensure the reliability and safety of the platen state in the on-line monitoring of relay protection.

Disclosure of utility model

The utility model aims to solve the problems, and provides an RFID (radio frequency identification) pressure plate state on-line monitoring device based on an inclined switch, which adopts a disconnectable RFID on-line monitoring device to realize real-time monitoring of the pressure plate state.

The utility model adopts the technical scheme that the RFID pressing plate state on-line monitoring device based on the tilt switch comprises two upright posts which are oppositely arranged and a pressing plate which is arranged between the two upright posts, wherein a monitoring device is fixed on the pressing plate and comprises a signal generator, the tilt switch connected with the signal generator, an RFID antenna module connected with the other end of the tilt switch and an alarm module connected with the output end of the RFID antenna module, the output end of the signal generator is connected with one end of the tilt switch, and the input end of the RFID antenna module is connected with the other end of the tilt switch.

The alarm module comprises a collection unit, a data processing unit connected with the output end of the collection unit and an alarm unit connected with the data processing unit, wherein the input end of the collection unit is connected with the output end of the RFID antenna module, and the RFID antenna module is a passive RFID antenna module or an active RFID antenna module.

Still including setting up respectively at the stand upper end screw rod, set up the lock nut on the screw rod respectively, set up the trepanning of clamp plate one end and set up the notch at the clamp plate other end, the screw rod external diameter is less than the external diameter of lock nut and stand, clamp plate one end is with the help of trepanning suit on the screw rod, the other end is with the help of notch joint on another screw rod, the clamp plate is located between lock nut and the stand on the screw rod.

The screw is provided with gaskets, the number of the gaskets is at least two, the gaskets are positioned between the lock nuts and the upright posts, and two ends of the pressing plate are respectively positioned between the gaskets.

The upper end of the monitoring device is provided with a handle.

The utility model provides an RFID clamp plate state on-line monitoring device based on tilt switch, includes mount pad, interval setting jack on the mount pad, sets up the clamp plate in the mount pad top, the interval setting is at the clamp plate lower extreme and with the inserted bar that the jack corresponds and set up at the mount pad lower extreme and respectively in the binding post that the jack corresponds, the clamp plate inserts in the jack and supports tightly with binding post with the help of the inserted bar, be fixed with monitoring devices on the clamp plate, monitoring devices includes signal generator, the tilt switch who is connected with signal generator, the RFID antenna module who is connected with the tilt switch other end, the alarm module who is connected with RFID antenna module output, signal generator output is connected with tilt switch one end, RFID antenna module's input is connected with the tilt switch other end.

The socket further comprises placing seats arranged on two sides of the mounting seat and placing holes arranged on the placing seats, and the placing holes correspond to the two inserting rods respectively.

Still including setting up the commentaries on classics hole in mount pad center department, set up the bull stick in clamp plate lower extreme center department, bull stick length is greater than the inserted bar, the bull stick inserts in changeing the hole.

The utility model has the beneficial effects that the RFID pressing plate state on-line monitoring device based on the tilt switch is provided, the normal working state of the pressing plate is collected through the tilt switch and is used as the reference information, the current state is recorded and compared in real time, when the pressing plate is detected to be switched from the closed state to the open state or from the open state to the closed state, the state information is uploaded to a monitoring system in real time, and the system judges whether to trigger an alarm and informs relevant staff. The on-line monitoring level of the relay protection system can be improved, the pressing plate is ensured to be under reliable monitoring, and meanwhile, the device and the safety of operators can be effectively ensured in response in time under emergency conditions.

Drawings

FIG. 1 is a system block diagram of the present utility model;

FIG. 2 is a schematic view showing the structure of the present embodiment 1 in which the pressing plate is closed;

FIG. 3 is a schematic view showing the structure of the press plate in the opened state according to the present embodiment 1;

FIG. 4 is a schematic view showing the structure of the press plate in the closed state according to the novel embodiment 2;

FIG. 5 is a schematic view showing the structure of the press plate in the opened state according to the present embodiment 2;

In the drawing, 1 is a stand column, 2 is a pressing plate, 3 is a monitoring device, 4 is a lock nut, 5 is a notch, 6 is a gasket, 7 is a mounting seat, 8 is an inserting hole, 9 is an inserting rod, 10 is a connecting terminal, 11 is a mounting seat, 12 is a mounting hole, 13 is a rotating rod, and 14 is a handle.

Detailed Description

Embodiment 1 As shown in figures 1-3, the utility model provides an on-line monitoring device 3 for the state of an RFID pressing plate 2 based on a tilt switch, which comprises two upright posts 1 which are arranged oppositely, and a pressing plate 2 arranged between the two upright posts 1, wherein the monitoring device 3 is fixed on the pressing plate 2, the monitoring device 3 comprises a signal generator, the tilt switch connected with the signal generator, an RFID antenna module connected with the other end of the tilt switch, and an alarm module connected with the output end of the RFID antenna module, the output end of the signal generator is connected with one end of the tilt switch, and the input end of the RFID antenna module is connected with the other end of the tilt switch.

As shown in fig. 1-3, the alarm module comprises a collection unit, a data processing unit connected with the output end of the collection unit and an alarm unit connected with the data processing unit, the input end of the collection unit is connected with the output end of the RFID antenna module, and the RFID antenna module is a passive RFID antenna module or an active RFID antenna module.

As shown in fig. 1-3, the device further comprises a screw rod arranged at the upper end of the upright post 1, a lock nut 4 arranged on the screw rod, a trepanning arranged at one end of the pressing plate 2 and a notch 5 arranged at the other end of the pressing plate 2, wherein the outer diameter of the screw rod is smaller than the outer diameters of the lock nut 4 and the upright post 1, one end of the pressing plate 2 is sleeved on the screw rod through the trepanning, the other end of the pressing plate 2 is clamped on the other screw rod through the notch 5, and the pressing plate 2 is positioned between the lock nut 4 on the screw rod and the upright post 1.

As shown in fig. 1-3, gaskets 6 are arranged on the screw rods, the number of the gaskets 6 is at least two, the gaskets 6 are positioned between the lock nuts 4 and the upright posts 1, and two ends of the pressing plate 2 are respectively positioned between the gaskets 6. The gasket 6 is more attached to the pressing plate 2, and locking is more stable.

As shown in fig. 1-3, the upper end of the monitoring device 3 is provided with a handle 14. The handle 14 may be conveniently manually operated.

The design is mainly applied to an on-line monitoring system, when the on-line monitoring system is matched, the initial state (closed or open) of the pressing plate 2 is recorded as a reference state, and the state data is stored in the on-line monitoring system. Meanwhile, the signal generator is used for defining RFID label signals, the RFID antenna module is used for receiving and sending the RFID label signals so that an on-line monitoring system can identify which pressing plate 2 has a problem, and the on-line monitoring system can regularly acquire and update the normal working state of the pressing plate 2 to ensure that the reference information is accurate and effective.

The monitoring device 3 can monitor the closing or opening state of the pressing plate 1 in real time, collect the current state data of the pressing plate 2 through the tilt switch, and ensure that the state change of the pressing plate 2 is monitored in real time in the working process. The state data collected each time is compared with the reference state to detect whether an abnormal situation occurs.

When the monitoring device 3 detects that the state of the pressing plate 2 changes, i.e. the pressing plate 2 is displaced, for example, the closing is changed to the opening, or the opening is changed to the closing, the monitoring device 3 immediately recognizes the change and records the specific time and state information of the state switching. This change information will be marked as "abnormal" or "normal" to distinguish whether an alarm is required.

If the state of the platen 2 changes abnormally, for example, the platen is disconnected at a non-predetermined time or operation stage, the monitoring device 3 immediately triggers an alarm and sends the alarm information to a control center of the on-line monitoring system. The alarm information includes detailed data of the current state of the platen 2, the change time, the position of the apparatus, etc., so that the worker can respond and check quickly.

The monitoring device 3 mainly comprises a signal generator, an RFID antenna module, a magnetic control switch and an alarm module.

And the RFID antenna module is used for generating RFID tag signals by the signal generator and is responsible for receiving and transmitting the RFID tag signals.

The monitoring device 3 is fixed on the pressing plate 2 and moves along with the movement of the pressing plate 2, when the pressing plate 2 moves or rotates, the inclination angle of the pressing plate 2 changes and can be sensed by the inclination switch, the signal generator and the RFID antenna module are integrated into a whole, when the inclination switch monitors that the state of the pressing plate 2 is normal, the signal generator and the RFID antenna module are communicated, the RFID antenna module continuously transmits RFID signals to the online monitoring system, and when the inclination switch monitors that the state of the pressing plate 1 changes, the inclination switch disconnects the signal generator and the RFID antenna module, and the RFID signals transmitted to the online monitoring system by the RFID antenna module are interrupted and trigger an alarm.

And the alarm module immediately triggers an alarm when the signal of the RFID antenna module is interrupted, informs an operator, and records an event in a system log. The alarm module can warn through audible and visual alarm or information push, and abnormal operation is found at the first time.

Embodiment 1 is the application of monitoring devices 3 in the clamp plate 2 of plectrum formula, clamp plate 2 one end rotates to set up on the screw rod, the other end passes through notch 5 and realizes the joint with another screw rod, lock nut 4 can screw, can cooperate stand 1 to press from both sides tight respectively with clamp plate 2 both ends, when needs disconnection or closure, can loosen lock nut 4 earlier, dial clamp plate 2 one end outward swing at hand, be disengaged or closed with the screw rod on stand 1, screw lock nut 4 again after accomplishing, press from both sides tight clamp plate 2, the inclination switch in monitoring devices 3 senses the angle change that takes place when clamp plate 2 swings, thereby realize the state monitoring to clamp plate 2, and judge with this and be disconnection or intercommunication signal generator and RFID antenna module, and whether trigger the warning.

Embodiment 2 As shown in figures 1 and 4-5, the utility model provides an RFID pressing plate state on-line monitoring device based on an inclined switch, which comprises a mounting seat 7, an inserting hole 8, a pressing plate 2, an inserting rod 9 and a connecting terminal 10, wherein the inserting hole 8 is arranged on the mounting seat 7 at intervals, the pressing plate 2 is arranged above the mounting seat 7, the inserting rod 9 is arranged at the lower end of the pressing plate 2 and corresponds to the inserting hole 8 at intervals, the connecting terminal 10 is arranged at the lower end of the mounting seat 7 and corresponds to the inserting hole 8 respectively, the pressing plate 2 is inserted into the inserting hole 8 through the inserting rod 9 and abuts against the connecting terminal 10, the monitoring device 3 is fixed on the pressing plate 2, the monitoring device 3 comprises a signal generator, an inclined switch connected with the signal generator, an RFID antenna module connected with the other end of the inclined switch, and an alarm module connected with the output end of the RFID antenna module, and the input end of the RFID antenna module is connected with the other end of the inclined switch.

As shown in fig. 1 and fig. 4-5, the alarm module comprises a collection unit, a data processing unit connected with the output end of the collection unit, and an alarm unit connected with the data processing unit, wherein the input end of the collection unit is connected with the output end of the RFID antenna module, and the RFID antenna module is a passive RFID antenna module or an active RFID antenna module.

As shown in fig. 1 and fig. 4-5, the device further comprises a placing seat 11 arranged on two sides of the mounting seat 7 and placing holes 12 arranged on the placing seat 11, wherein the placing holes 12 respectively correspond to the two inserted bars 9. The placing seat 11 and the placing hole 12 can be temporarily placed when the pressing plate 2 is in a disconnected state, so that the use is more convenient.

As shown in fig. 1 and fig. 4-5, the device further comprises a rotating hole arranged at the center of the mounting seat 7 and a rotating rod 13 arranged at the center of the lower end of the pressing plate 2, wherein the length of the rotating rod 13 is longer than that of the inserting rod 9, and the rotating rod 13 is inserted into the rotating hole. The rotating rod 13 and the rotating hole can be matched to be positioned when the pressing plate 2 is lifted to rotate, so that the use is more convenient.

Embodiment 2 is the application of monitoring device 3 in pull-out type clamp plate 2, and when during the use, clamp plate 2 is in the grafting state through inserted bar 9 and jack 8 on mount pad 7, inserted bar 9 contradicts with binding post 10, accomplish the closure, manual lift clamp plate 2 upwards makes inserted bar 9 take out from jack 8 and breaks away from to insert inserted bar 9 in the mounting hole 12 of seat 11, and inserted bar 9 is contactless with binding post 10, accomplishes the disconnection, and clamp plate 2 is in the tilting state this moment, the tilt switch in the monitoring device 3 of fixing on clamp plate 2, detects clamp plate 2 inclination and changes, triggers the warning immediately.

The tilt switch is a sensing device for detecting angle deviation, and the structure of the tilt switch is a small cavity, and the inside of the tilt switch comprises two conductors such as wires with different lengths and mercury or balls. When the tilt switch is biased to an angle, the conductor contacts the wire, turning the switch on or off, thereby providing a status signal. When applied to on-line monitoring of relay protection systems, a tilt switch may be mounted on the platen 2, the change in state (closed or open) of which is detected by monitoring the deflection angle of the platen 2. Once the angle of the pressing plate 2 exceeds the preset range, the tilt switch can automatically switch the state, the trigger system records and sends out signals, and workers are helped to grasp the state of the pressing plate in real time.

Claims

1. The RFID pressing plate state on-line monitoring device based on the tilt switch comprises two upright posts (1) which are oppositely arranged and a pressing plate (2) which is arranged between the two upright posts (1), and is characterized in that a monitoring device (3) is fixed on the pressing plate (2), the monitoring device (3) comprises a signal generator, a tilt switch connected with the signal generator, an RFID antenna module connected with the other end of the tilt switch, and an alarm module connected with the output end of the RFID antenna module, wherein the output end of the signal generator is connected with one end of the tilt switch, and the input end of the RFID antenna module is connected with the other end of the tilt switch.

2. The on-line monitoring device for the state of the RFID pressing plate based on the tilt switch of claim 1, wherein the alarm module comprises a collection unit, a data processing unit connected with the output end of the collection unit and an alarm unit connected with the data processing unit, the input end of the collection unit is connected with the output end of the RFID antenna module, and the RFID antenna module is a passive RFID antenna module or an active RFID antenna module.

3. The on-line monitoring device for the state of the RFID pressing plate based on the tilt switch of claim 1 is characterized by further comprising a screw rod arranged at the upper end of the upright post (1), a lock nut (4) arranged on the screw rod, a trepanning arranged at one end of the pressing plate (2) and a notch (5) arranged at the other end of the pressing plate (2), wherein the outer diameter of the screw rod is smaller than the outer diameters of the lock nut (4) and the upright post (1), one end of the pressing plate (2) is sleeved on the screw rod through the trepanning, the other end of the pressing plate is clamped on the other screw rod through the notch (5), and the pressing plate (2) is positioned between the lock nut (4) and the upright post (1) on the screw rod.

4. The on-line monitoring device for the state of the RFID pressing plate based on the tilt switch of claim 3 is characterized in that gaskets (6) are arranged on the screw rods, the number of the gaskets (6) is at least two, the gaskets (6) are located between the lock nuts (4) and the upright posts (1), and two ends of the pressing plate (2) are located between the gaskets (6) respectively.

5. The on-line monitoring device for the state of the RFID pressing plate based on the tilt switch of claim 1, wherein a handle (14) is arranged at the upper end of the monitoring device (3).

6. The RFID clamp plate state on-line monitoring device based on tilt switch comprises a mounting seat (7), jacks (8) arranged on the mounting seat (7) at intervals, a clamp plate (2) arranged above the mounting seat (7), a plug rod (9) arranged at the lower end of the clamp plate (2) at intervals and corresponding to the jacks (8) and a wiring terminal (10) arranged at the lower end of the mounting seat (7) and corresponding to the jacks (8) respectively, wherein the clamp plate (2) is inserted into the jacks (8) by means of the plug rod (9) and is abutted against the wiring terminal (10), and the device is characterized in that a monitoring device (3) is fixed on the clamp plate (2), and the monitoring device (3) comprises a signal generator, a tilt switch connected with the signal generator, an RFID antenna module connected with the other end of the tilt switch, and an alarm module connected with the output end of the RFID antenna module, and the output end of the signal generator is connected with one end of the tilt switch.

7. The on-line monitoring device for the state of the RFID pressing plate based on the tilt switch of claim 6, wherein the alarm module comprises a collection unit, a data processing unit connected with the output end of the collection unit and an alarm unit connected with the data processing unit, the input end of the collection unit is connected with the output end of the RFID antenna module, and the RFID antenna module is a passive RFID antenna module or an active RFID antenna module.

8. The on-line monitoring device for the state of the RFID pressing plate based on the tilt switch of claim 6, further comprising placing seats (11) arranged on two sides of the mounting seat (7), and placing holes (12) arranged on the placing seats (11), wherein the placing holes (12) respectively correspond to the two inserting rods (9).

9. The on-line monitoring device for the state of an RFID pressing plate based on an inclined switch according to claim 6, further comprising a rotating hole arranged at the center of the installation seat (7) and a rotating rod (13) arranged at the center of the lower end of the pressing plate (2), wherein the length of the rotating rod (13) is larger than that of the inserting rod (9), and the rotating rod (13) is inserted into the rotating hole.