CN113325306A - Detection device - Google Patents
Detection device Download PDFInfo
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- CN113325306A CN113325306A CN202110623000.7A CN202110623000A CN113325306A CN 113325306 A CN113325306 A CN 113325306A CN 202110623000 A CN202110623000 A CN 202110623000A CN 113325306 A CN113325306 A CN 113325306A
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- unit
- base
- disconnecting link
- light
- detection
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
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- General Physics & Mathematics (AREA)
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- Emergency Alarm Devices (AREA)
Abstract
The invention provides a detection device, which relates to the field of electrical switches and comprises a detection mechanism, a correction mechanism and a disconnecting link correction system, wherein the detection mechanism is connected to a base of a disconnecting link switch, the detection mechanism is used for detecting the switching-on or switching-off of the disconnecting link switch, the correction mechanism is used for detecting the switching-on state of the disconnecting link switch, the disconnecting link correction system is arranged on the outer side of the base, the disconnecting link correction system comprises a central processing unit and an alarm unit which are electrically connected with each other, the detection mechanism and the correction mechanism are both connected to the central processing unit, the central processing unit can judge the switching-on state of the disconnecting link switch, and if the switching-on or switching-off of the disconnecting link switch is not in place, the central processing unit controls the alarm unit to alarm. According to the detection device provided by the invention, if the switch of the disconnecting link is opened or the switch is not closed in place, the central processing unit of the disconnecting link correction system controls the alarm unit to give an alarm to remind constructors.
Description
Technical Field
The invention relates to the field of electrical switches, in particular to a detection device.
Background
The circuit switch is an important switching electric appliance in power plants and substation power systems, ensures the safety of the electric appliance and the device during maintenance work, plays a role in isolating voltage, and is also used for switching certain circuits so as to change the operation mode of the system. Whether the existing detection circuit switch is switched on or not is usually observed by human eyes of constructors, so that the switching-on state of the circuit switch is determined. The observation of human eyes is not accurate enough, only can roughly determine whether the circuit is switched on or not but cannot determine whether the circuit is switched on or not, and the electricity observation accuracy of human eyes is lower under the condition of poor light.
Disclosure of Invention
The invention aims to provide a detection device which improves the accuracy of closing detection.
In order to achieve the purpose, the invention adopts the following technical scheme:
a detection device, comprising:
the detection mechanism is connected to a base of the disconnecting link switch and is used for detecting switching-on or switching-off of the disconnecting link switch;
the correction mechanism is used for detecting the closing state of the disconnecting link switch;
the knife switch correcting system is arranged on the outer side of the base and comprises a central processing unit and an alarm unit which are electrically connected with each other, the detecting mechanism and the correcting mechanism are connected to the central processing unit, the central processing unit can judge the switching-on state of the knife switch, and if the knife switch is switched off or not switched on, the central processing unit controls the alarm unit to give an alarm.
Preferably, the detection mechanism comprises a transmitting unit and a receiving unit, the transmitting unit is arranged on one side of the base, the receiving unit is arranged on the other side of the base corresponding to the transmitting unit, and the receiving unit can receive the signal sent by the transmitting unit and transmit the signal to the central processing unit.
Preferably, the transmitting unit comprises a rotating disc connected to the base and a main laser inspection lamp arranged on the rotating disc, and the receiving unit can receive first light emitted by the main laser inspection lamp.
Preferably, a main inspection through hole is formed in the disconnecting link switch, the rotating disc can drive the main inspection laser lamp to rotate around the main inspection through hole in the circumferential direction, and the first light can penetrate through the main inspection through hole to the receiving unit.
Preferably, the correction mechanism comprises a correction laser lamp arranged on the rotating disc, the rotating disc is of a circular structure, the distance from the correction laser lamp to the center of the rotating disc is greater than the distance from the main inspection laser lamp to the center of the rotating disc, and the receiving unit can receive second light rays emitted by the correction laser lamp.
Preferably, the knife switch is provided with a plurality of correction through holes along the circumferential direction of the main inspection through hole, and the second light can pass through the correction through holes to the receiving unit.
Preferably, the knife switch is provided with two correction through holes, and the two correction through holes are symmetrical along the axial direction of the main inspection through hole.
Preferably, the receiving unit comprises a receiving base connected to the base and a photosensitive resistor arranged on the receiving base, the receiving base and the rotating disc are oppositely arranged, the photosensitive resistor is connected to the central processing unit, and the photosensitive resistor can receive the first light and the second light.
Preferably, the receiving base is provided with a containing cavity, and the containing cavity is used for containing the photosensitive resistor.
Preferably, the alarm unit is an alarm used for reminding constructors.
The invention has the beneficial effects that:
according to the detection device provided by the invention, whether the disconnecting link switch is opened or closed is detected through the detection mechanism, the closing states of the upper disconnecting link and the lower disconnecting link of the disconnecting link switch are detected through the correction mechanism, and if the disconnecting link switch is opened or the condition that the closing is not in place occurs, the central processing unit of the disconnecting link correction system controls the alarm unit to give an alarm to remind constructors.
Drawings
FIG. 1 is a schematic structural diagram of a knife switch provided in a detection device according to an embodiment of the present invention, connected to a detection mechanism and a calibration mechanism;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
fig. 3 is a partial enlarged view of fig. 1 at B.
In the figure:
100. a base; 200. a main inspection through hole; 300. correcting the through hole;
1. a correction mechanism;
2. a transmitting unit; 21. rotating the disc; 22. a main detection laser lamp;
3. a receiving unit; 31. a base is received.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
In the description of the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In embodiments of the invention, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise the first and second features being in direct contact, or the first and second features being in contact, not directly, but via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the embodiments of the present invention, the terms "upper", "lower", "right", and the like are used in an orientation or positional relationship shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
The knife switch comprises an upper knife switch, a lower knife switch and a base 100, wherein the lower knife switch is connected to the base 100, and the upper knife switch can be contacted and conducted with the lower knife switch. The invention provides a detection device, which relates to the field of electrical switches, and is shown in figures 1 to 3, and comprises a detection mechanism, a correction mechanism 1 and a disconnecting link correction system, wherein the detection mechanism is connected to a base 100 of a disconnecting link switch, the detection mechanism is used for detecting the switching-on or switching-off of the disconnecting link switch, the correction mechanism 1 is used for detecting the switching-on state of the disconnecting link switch, the disconnecting link correction system is arranged on the outer side of the base 100, the disconnecting link correction system comprises a central processing unit and an alarm unit which are electrically connected with each other, the detection mechanism and the correction mechanism 1 are both connected to the central processing unit, the central processing unit can judge the switching-on state of the disconnecting link switch, and if the disconnecting link switch is switched off or is not switched on, the central processing unit controls the alarm unit to give an alarm.
The detection device provided by the embodiment detects whether the disconnecting link switch is switched on or switched off through the detection mechanism, detects the switching-on states of the upper disconnecting link and the lower disconnecting link of the disconnecting link switch through the correction mechanism 1, and if the disconnecting link switch is switched off or the situation that the switching-on is not in place occurs, the central processing unit of the disconnecting link correction system controls the alarm unit to give an alarm to remind a constructor.
Particularly, the alarm unit is an alarm used for reminding constructors. The alarm is connected with the central processing unit, and when the brake is opened or the brake is not closed in place, the alarm gives an alarm to warn constructors.
Specifically, as shown in fig. 1 and 2, the detection mechanism includes a transmitting unit 2 and a receiving unit 3, the transmitting unit 2 is disposed on one side of the base 100, the receiving unit 3 is disposed on the other side of the base 100 corresponding to the transmitting unit 2, and the receiving unit 3 can receive the signal emitted by the transmitting unit 2 and transmit the signal to the central processing unit. The transmitting unit 2 and the receiving unit 3 are symmetrically arranged, the transmitting unit 2 sends out signals, the receiving unit 3 receives the signals and transmits the signals to the central processing unit, and the central processing unit judges and processes the signals and determines the state of the closing switch.
Specifically, as shown in fig. 1 and 2, the transmitting unit 2 includes a rotating disk 21 connected to the base 100 and a main pilot laser light 22 disposed on the rotating disk 21, and the receiving unit 3 can receive a first light emitted from the main pilot laser light 22. The main detection laser lamp 22 emits a first light, and the receiving unit 3 receives the first light and transmits a received signal to the central processing unit. If the receiving unit 3 cannot receive the first light, the disconnecting link switch is proved to be in an open state; if the receiving unit 3 receives the first light, the disconnecting link switch is proved to be in a closing state. The laser detection does not affect the movement of the disconnecting link switch, and has the advantages of high precision, large measurement range, short detection time and the like. Specifically, the main detection laser lamp 22 is provided eccentrically (i.e., offset from the center of the rotary disk 21) on the rotary disk 21.
In particular, as shown in fig. 1 and 3, a main inspection through hole 200 is provided on the disconnecting link switch, the rotating disc 21 can drive the main inspection laser lamp 22 to rotate around the circumferential direction of the main inspection through hole 200, and the first light can pass through the main inspection through hole 200 to the receiving unit 3. Preferably, main inspection through holes 200 are formed in both the upper knife switch and the lower knife switch, and in a closing state, the main inspection through holes 200 in the upper knife switch coincide with the main inspection through holes 200 in the lower knife switch. The rotating disc 21 can drive the main laser light 22 to rotate around the main through hole 200, so that the first light emitted by the main laser light 22 can be close to the inner peripheral surface of the main through hole 200, and if the receiving unit 3 receives the first light passing through the main through hole 200, the disconnecting link switch is proved to be in a closing state. If the receiving unit 3 does not receive the first light, the disconnecting link switch is proved to be in the opening state, and the alarm unit gives an alarm.
In particular, as shown in fig. 1 and 2, the calibration mechanism 1 includes a calibration laser light disposed on a rotating disc 21, the rotating disc 21 has a circular structure, the distance from the calibration laser light to the center of the rotating disc 21 is greater than the distance from the main inspection laser light 22 to the center of the rotating disc 21, and the receiving unit 3 can receive a second light emitted by the calibration laser light. The correction laser lamp is arranged on the rotating disc 21 and can rotate around the main inspection through hole 200 along with the rotating disc 21, and the correction laser lamp emits second light to detect whether the disconnecting link switch is switched on in place or not. Specifically, as shown in fig. 1 and 3, the knife switch is provided with a plurality of correction through holes 300 along the circumferential direction of the main inspection through hole 200, and the second light can pass through the correction through holes 300 to the receiving unit 3. If the receiving unit 3 can receive the second light passing through the calibration through-hole 300 and the first light passing through the home-checking through-hole 200, it is verified that the knife switch is switched on in place, and if the receiving unit 3 can receive only the first light passing through the home-checking through-hole 200, it is verified that the knife switch is not switched on in place.
Specifically, as shown in fig. 1 and 3, the knife switch is provided with two correction through holes 300, and the two correction through holes 300 are symmetrical along the axial direction of the main detection through hole. Two correction through holes 300 are symmetrically arranged, when the rotating disc 21 rotates to drive the correction laser lamp to irradiate one correction through hole 300, the second light ray penetrates through the correction through hole 300, and the second light ray penetrates through the other correction through hole 300 after the correction laser lamp rotates for half a cycle, so that the second light ray can penetrate through the two correction through holes 300, and the switching-on is indicated to be in place. Preferably, in other embodiments, the number of the correction through holes 300 is not limited to two, and it is only necessary that the correction through holes 300 arranged in pairs can achieve the effect of checking whether the closing is in place.
In particular, as shown in fig. 1 and 2, the receiving unit 3 comprises a receiving base 31 connected to the base 100 and a light-sensitive resistor arranged on the receiving base 31, the receiving base 31 being arranged opposite to the rotating disc 21, the light-sensitive resistor being connected to the central processor, the light-sensitive resistor being able to receive the first light and the second light. The receiving base 31 is connected to the base 100 and symmetrically arranged with the rotating disk 21, and the photoresistor is arranged on the receiving base 31, so that the first light emitted by the main laser light 22 and the second light emitted by the correction laser light on the rotating disk 21 can be conveniently received. Preferably, in other embodiments, other types of sensors may be selected as long as it is ensured that the sensors can receive the first light and the second light.
In particular, the receiving base 31 is provided with a housing cavity for housing the photo-resistor. Set up on receiving base 31 and hold the chamber, the photo resistance is connected in the inner wall that holds the chamber, makes the receiving end of photo resistance examine through-hole 200 or rectify through-hole 300 setting towards the owner of switch, is convenient for receive first light and second light.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, adaptations and substitutions will occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. A detection device, comprising:
the detection mechanism is connected to a base (100) of the disconnecting link switch and is used for detecting the switching-on or switching-off of the disconnecting link switch;
the correction mechanism (1), the correction mechanism (1) is used for detecting the closing state of the disconnecting link switch;
the knife switch correcting system is arranged on the outer side of the base (100) and comprises a central processing unit and an alarm unit which are electrically connected with each other, the detecting mechanism and the correcting mechanism (1) are connected to the central processing unit, the central processing unit can judge the switching-on state of the knife switch, and if the knife switch is switched off or not in place, the central processing unit controls the alarm unit to give an alarm.
2. The detection device according to claim 1, wherein the detection mechanism comprises a transmitting unit (2) and a receiving unit (3), the transmitting unit (2) is arranged on one side of the base (100), the receiving unit (3) is arranged on the other side of the base (100) corresponding to the transmitting unit (2), and the receiving unit (3) can receive the signal sent by the transmitting unit (2) and transmit the signal to the central processing unit.
3. The detection device according to claim 2, wherein the emitting unit (2) comprises a rotating disc (21) connected to the base (100) and a main detection laser lamp (22) arranged on the rotating disc (21), and the receiving unit (3) can receive the first light emitted by the main detection laser lamp (22).
4. The detection device according to claim 3, wherein a main detection through hole (200) is formed in the disconnecting link switch, the rotating disc (21) can drive the main detection laser lamp (22) to rotate around the circumferential direction of the main detection through hole (200), and the first light can pass through the main detection through hole (200) to the receiving unit (3).
5. The detection device according to claim 4, wherein the calibration mechanism (1) comprises a calibration laser lamp disposed on the rotating disc (21), the rotating disc (21) has a circular structure, the distance from the calibration laser lamp to the center of the rotating disc (21) is greater than the distance from the main inspection laser lamp (22) to the center of the rotating disc (21), and the receiving unit (3) can receive a second light beam emitted by the calibration laser lamp.
6. The detecting device according to claim 5, wherein the knife switch is provided with a plurality of correcting through holes (300) along the circumference of the main detecting through hole (200), and the second light can pass through the correcting through holes (300) to the receiving unit.
7. The detection device according to claim 6, wherein the knife switch is provided with two correction through holes (300), and the two correction through holes (300) are symmetrical along the axial direction of the main detection through hole.
8. The detection device according to claim 5, characterized in that said receiving unit (3) comprises a receiving base (31) connected to said base (100) and a photoresistor arranged on said receiving base (31), said receiving base (31) being arranged opposite said rotating disc (21), said photoresistor being connected to said central processor, said photoresistor being able to receive said first light and said second light.
9. A testing device according to claim 8, characterized in that the receiving base (31) is provided with a receiving cavity for receiving the light-sensitive resistor.
10. The detection device according to claim 1, wherein the alarm unit is an alarm for reminding a constructor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110623000.7A CN113325306B (en) | 2021-06-04 | 2021-06-04 | Detection device |
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| CN202110623000.7A CN113325306B (en) | 2021-06-04 | 2021-06-04 | Detection device |
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| CN113325306B CN113325306B (en) | 2022-11-04 |
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Cited By (1)
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| CN114005700A (en) * | 2021-10-22 | 2022-02-01 | 广东电网有限责任公司 | Isolating switch and isolating switch state detection method |
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