CN218213240U - Relay protection test device - Google Patents
Relay protection test device Download PDFInfo
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- CN218213240U CN218213240U CN202222466468.2U CN202222466468U CN218213240U CN 218213240 U CN218213240 U CN 218213240U CN 202222466468 U CN202222466468 U CN 202222466468U CN 218213240 U CN218213240 U CN 218213240U
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- main control
- control unit
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- relay protection
- distance
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Abstract
The utility model provides a relay protection test device, include: a plurality of detection units and a main control unit; the detection units are used for respectively detecting the switching states of the hard pressing plates and sending detection signals and corresponding serial numbers to the main control unit through the communication unit; the detection unit is a distance measurement sensor module which is arranged at a position right opposite to the hard pressing plate and used for detecting the distance between the end face of the hard pressing plate and the distance measurement sensor and sending the detected distance to the main control unit. Set up a plurality of detecting element and can detect a plurality of hard clamp plates simultaneously to adopt contactless range finding mode, can realize the detection to hard clamp plate current state under the condition that does not influence hard clamp plate work.
Description
Technical Field
The utility model belongs to the technical field of relay protection is relevant, concretely relates to relay protection test device.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
The relay protection hard pressing plate is an important component of a relay protection device, and the dividing and combining state of the relay protection hard pressing plate is directly related to the fact that the protection automation device cannot operate correctly.
The quantity of clamp plate among the relay protection device is numerous, need detect each relay protection's hard clamp plate, but relay protection's hard clamp plate also has the condition that relay protection's hard clamp plate is not put through in the detection after putting into, and the detection to relay protection's hard clamp plate is at present mostly concentrated on the detection in earlier stage, whether a certain or several hard clamp plate has appeared the problem in the numerous hard clamp plate of quantity after putting into service to relay protection hard clamp plate, can not timely discovery and detection.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve above-mentioned problem, provided a relay protection test device, set up a plurality of detecting element and can detect a plurality of hard clamp plates simultaneously to adopt contactless range finding mode, can realize the detection to hard clamp plate current state under the condition that does not influence hard clamp plate work.
According to some embodiments, the utility model adopts the following technical scheme: a relay protection test device comprises a plurality of detection units and a main control unit;
the detection units are used for respectively detecting the switching states of the hard pressing plates and sending detection signals and corresponding serial numbers to the main control unit;
the detection unit is a distance measuring sensor module which is arranged at the position right opposite to the hard pressing plate and used for detecting the distance between the end face of the hard pressing plate and the distance measuring sensor and sending the detected distance to the main control unit.
In addition, according to the utility model discloses a relay protection test device can also have following additional technical characterstic:
preferably, the main control unit comprises a main controller and a comparator, and the main controller is used for receiving data information acquired by the ranging sensor; the comparator is used for judging whether the acquired data information is consistent with the target data information.
Preferably, the distance measuring sensor module comprises an ultrasonic distance measuring sensor, a power circuit and a processor, wherein the power circuit supplies power to the distance measuring sensor and the processor respectively; the distance measuring sensor is electrically connected with the processor, and the processor is used for processing the distance information measured by the distance measuring sensor and then sending the processed distance information to the main control unit.
Preferably, the distance measuring sensor further comprises a filter circuit, the distance measuring sensor passes through the filter circuit is electrically connected with the power circuit, and the filter circuit is used for filtering out circuit clutter.
Preferably, the main control unit and the detection unit transmit data in a wired or wireless mode.
Preferably, the device further comprises an alarm module, wherein the alarm module is electrically connected with the main control unit and used for giving an alarm when the main control unit detects that the current state of the hard pressing plate is in an abnormal state.
Preferably, the ultrasonic sensor comprises an ultrasonic transmitter and an ultrasonic receiver, the ultrasonic transmitter is used for transmitting ultrasonic waves to the hard pressing plate, and the ultrasonic receiver is used for receiving the ultrasonic waves reflected by the hard pressing plate.
Preferably, the alarm module adopts a buzzer.
Preferably, the detection unit is arranged on the movable end face of the hard pressing plate in a close manner, and the distance between the hard pressing plate and the detection unit is detected through the throwing and withdrawing movement of the hard pressing plate
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses a state that a plurality of detecting element detected hard clamp plate respectively can discover in time to the hard clamp plate that appears abnormal condition.
The utility model discloses an ultrasonic ranging sensor contactless detects hard clamp plate, can detect out when not influencing hard clamp plate normal work whether the current state of hard clamp plate is target state.
The utility model discloses a setting of alarm module and display screen can be in time reported to the police the suggestion to the hard clamp plate that abnormal state appears and show the sequence number of the hard clamp plate that abnormal state appears, makes the staff can fix a position unusual hard clamp plate fast.
Drawings
The accompanying drawings, which form a part of the specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without unduly limiting the scope of the invention.
Fig. 1 is a system schematic diagram of a relay protection testing device according to the present invention;
FIG. 2 is a schematic diagram of a processor circuit according to the present invention;
fig. 3 is a schematic circuit diagram of the main control unit of the present invention;
fig. 4 is a schematic circuit diagram of the alarm module of the present invention;
fig. 5 is a schematic diagram of a circuit of a display screen in the present invention;
fig. 6 is the schematic diagram of the position setting of the medium-hard pressing plate and the ultrasonic distance measuring sensor of the present invention.
The specific implementation mode is as follows:
the present invention will be further explained with reference to the accompanying drawings and examples.
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the invention. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
In the present invention, the terms such as "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "side", "bottom", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, and are only the terms determined for convenience of describing the structural relationship of each component or element of the present invention, and are not specific to any component or element of the present invention, and are not to be construed as limiting the present invention. In the present invention, terms such as "fixedly connected", "connected", and the like should be understood in a broad sense, and may be fixedly connected, or integrally connected or detachably connected; may be directly connected or indirectly connected through an intermediate. The meaning of the above terms in the present invention can be determined according to specific situations by persons skilled in the art, and should not be construed as limiting the present invention.
Example one
As shown in fig. 1, a relay protection testing device comprises a plurality of detection units, a main control unit and a communication unit;
the detection units are used for respectively detecting the switching states of the hard pressing plates and sending detection signals and corresponding serial numbers to the main control unit;
and the main control unit is used for detecting whether the current state of the hard pressing plate is normal or not according to the detection signal and the corresponding serial number.
In this embodiment, by providing a plurality of detecting units, the plurality of detecting units can detect a plurality of hard pressing plates simultaneously, and the hard pressing plates can be found in time when the state of the hard pressing plates is abnormal.
As shown in fig. 6, in this embodiment, the detecting unit is a distance measuring sensor module, and the distance measuring sensor module is disposed at a position opposite to the hard pressing plate, and is configured to detect a distance between an end surface of the hard pressing plate and the distance measuring sensor, and send the detected distance to the main control unit.
The distance measurement sensor module compares the distance information with a preset distance threshold value by detecting the distance information between the hard pressing plate and the distance measurement sensor module so as to detect whether the current state of the current hard pressing plate is abnormal.
It should be noted that the preset distance threshold is set according to the distance between the hard platen and the distance measurement sensor module in the normal state (target state), and if the distance between the currently detected hard platen and the distance measurement sensor module is inconsistent with the preset distance threshold, it indicates that the hard platen is currently in an abnormal state, if the hard platen should handle the input state in the normal state, and if the current state of the hard platen is in the exit or virtual connection state according to the distance, it indicates that the current state of the hard platen is abnormal.
In this embodiment, the ranging sensor module includes an ultrasonic ranging sensor, a power circuit and a processor, and the power circuit supplies power to the ranging sensor and the processor respectively; ultrasonic ranging sensor and treater electric connection, the treater is used for sending for the main control unit after handling ultrasonic ranging sensor measuring distance information.
The range finding sensor module includes ultrasonic transmitter and ultrasonic receiver, and ultrasonic transmitter is used for the ultrasonic wave of hard clamp plate transmission, and ultrasonic receiver is used for receiving the ultrasonic wave that hard clamp plate reflects back.
The ranging sensor further comprises a filter circuit, the ranging sensor is electrically connected with the power circuit through the filter circuit, and the filter circuit is used for filtering circuit clutter.
Specifically, the ultrasonic ranging sensor adopts HC-SR04, and other ultrasonic ranging sensors can also be adopted.
As shown in fig. 2, in this embodiment, the processor is a single chip microcomputer U1, specifically, an STM32G030FX is adopted, and a plurality of components such as an arithmetic unit, a controller, and a processor are integrated to implement processing, storing, and the like of signals.
Specifically, the processor is used for receiving the distance information of the ultrasonic sensor, processing the distance information, associating the processed distance information with the serial number of the ultrasonic sensor, and sending the associated distance information and serial number to the main control unit through the communication unit.
The power circuit comprises a power supply and a voltage conversion circuit, the power supply is connected with the filter circuit through the voltage conversion circuit, and the filter circuit is electrically connected with the ultrasonic ranging sensor. Wherein, the power is electrically connected with the J I interface.
The voltage conversion circuit comprises a voltage conversion chip U3 (I CL7660AIBAZ I C l 7660), a first filter capacitor C7 and a second filter capacitor C2, the input end of the voltage conversion chip U3 is electrically connected with the power supply, the output end (3V 3) of the voltage conversion chip U3 is electrically connected with the filter circuit, and the filter circuit is used for filtering circuit noise waves.
The power supply is also electrically connected with the processor U1 and provides power supply voltage for the processor U1.
As shown in fig. 3, in this embodiment, the STC12C5a60S2 single chip is adopted as the main control unit, and the single chip has the advantages of high speed, low power consumption, and ultra-strong anti-interference.
The main control unit can simultaneously receive data (including distance information and corresponding serial numbers) sent by a plurality of detection units.
Data is transmitted between the main control unit and the detection unit in a wired or wireless mode.
The main control unit receives the distance information and the corresponding serial numbers, and compares the distance information and the corresponding serial numbers according to the preset distance threshold value of each hard pressing plate stored in the main control unit to obtain whether the current state of the detected hard pressing plate is in a normal state or not.
As shown in fig. 4, in this embodiment, the pressing device further includes an alarm module, and a buzzer is a piezoelectric plate and electrically connected to the main control unit, and when the main control unit detects that the current state of a hard pressing plate is inconsistent with the target state, the buzzer sends an alarm signal.
As shown in fig. 5, in this embodiment, the hard pressing plate further includes a display screen 1602, where the display screen is electrically connected to the main control unit, and the display screen is used to display the names of the hard pressing plate serial numbers of the hard pressing plates with inconsistent current states and target states.
The principle of the relay protection test device provided by the embodiment is as follows: the distance between the hard pressing plates and the ultrasonic ranging sensors is detected by the ultrasonic ranging sensors of the detection unit, the detected processing is sent to the processor for processing, the distance information detected by each ultrasonic sensor is correlated with the sequence number of the corresponding hard pressing plate, the correlated distance information and sequence number data are sent to the main control unit, the main control unit can simultaneously receive the distance information and the corresponding sequence number data of a plurality of detection units, the main control unit compares the corresponding sequence number data of the received distance information with the preset distance threshold value corresponding to each prestored hard pressing plate to obtain whether the current state of the hard pressing plates is a target state or not, if the hard pressing plates are detected to be in an abnormal state, the buzzer gives an alarm prompt, and meanwhile, the display screen displays the sequence number of the hard pressing plates in the abnormal state.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Although the present invention has been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and those skilled in the art should understand that various modifications or variations that can be made by those skilled in the art without inventive work are still within the scope of the present invention.
Claims (9)
1. A relay protection test device, characterized by comprising: a plurality of detection units and a main control unit;
the detection units are used for respectively detecting the switching states of the hard pressing plates and sending detection signals and corresponding serial numbers to the main control unit through the communication unit;
the detection unit is a distance measurement sensor module which is arranged at a position right opposite to the hard pressing plate and used for detecting the distance between the end face of the hard pressing plate and the distance measurement sensor and sending the detected distance to the main control unit.
2. The relay protection test device according to claim 1, wherein the main control unit comprises a main controller and a comparator, the main controller is used for receiving data information collected by the distance measuring sensor; the comparator is used for judging whether the acquired data information is consistent with the target data information.
3. The relay protection test device according to claim 1, wherein the distance measuring sensor module comprises an ultrasonic distance measuring sensor, a power circuit and a processor, and the power circuit supplies power to the ultrasonic distance measuring sensor and the processor respectively; the ultrasonic ranging sensor is electrically connected with the processor, and the processor is used for processing the distance information measured by the ultrasonic ranging sensor and then sending the processed distance information to the main control unit.
4. The relay protection test device according to claim 3, wherein said ultrasonic ranging sensor further comprises a filter circuit, said ultrasonic ranging sensor is electrically connected to said power circuit through said filter circuit, and said filter circuit is used for filtering out circuit noise.
5. The relay protection test device according to claim 1, wherein data is transmitted between the main control unit and the detection unit in a wired or wireless manner.
6. The relay protection test device according to claim 1, further comprising an alarm module, wherein the alarm module is electrically connected to the main control unit, and is configured to perform an alarm prompt when the main control unit detects that the current state of the hard pressure plate is abnormal.
7. The relay protection test device according to claim 3, wherein said ultrasonic ranging sensor comprises an ultrasonic transmitter and an ultrasonic receiver, said ultrasonic transmitter is used for transmitting ultrasonic waves to said hard press plate, said ultrasonic receiver is used for receiving the ultrasonic waves reflected by said hard press plate.
8. The relay protection test device according to claim 6, wherein the alarm module employs a buzzer.
9. The relay protection test device according to claim 1, wherein said detection unit is disposed adjacent to the movable end surface of the hard pressing plate, and the distance between the hard pressing plate and the detection unit is detected by the movement of the hard pressing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222466468.2U CN218213240U (en) | 2022-09-16 | 2022-09-16 | Relay protection test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222466468.2U CN218213240U (en) | 2022-09-16 | 2022-09-16 | Relay protection test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218213240U true CN218213240U (en) | 2023-01-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222466468.2U Active CN218213240U (en) | 2022-09-16 | 2022-09-16 | Relay protection test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218213240U (en) |
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2022
- 2022-09-16 CN CN202222466468.2U patent/CN218213240U/en active Active
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