CN210954190U - On-line diagnosis type thermal imaging power switch cabinet fault early warning and analyzing positioning device - Google Patents
On-line diagnosis type thermal imaging power switch cabinet fault early warning and analyzing positioning device Download PDFInfo
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- CN210954190U CN210954190U CN201920907759.6U CN201920907759U CN210954190U CN 210954190 U CN210954190 U CN 210954190U CN 201920907759 U CN201920907759 U CN 201920907759U CN 210954190 U CN210954190 U CN 210954190U
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Abstract
The utility model discloses an online diagnosis formula thermal imaging power switch cabinet fault early warning and analysis positioner relates to cubical switchboard fault detection technical field. The utility model comprises a detection cavity, a sensor is arranged in the detection cavity, and the sensor is connected with a display through a processor; the air inlet end of the detection cavity is communicated with a multi-way control valve through an air inlet pipe; the air outlet end of the detection cavity is communicated with an air pump through an air outlet pipe, and the air pump is communicated with an air outlet pipe; the multi-way control valve comprises a valve body and a cylindrical valve core, wherein the cylindrical valve core is provided with a through hole; a plurality of air inlets are formed in the side wall of the first half valve body along the rotation direction of the cylindrical valve core; the cylindrical valve core and the second half valve body are provided with exhaust cavities, and the second half valve body is provided with an exhaust hole communicated with the exhaust cavities. The utility model discloses a sensor carries out the inside fault detection of cubical switchboard to carry out fault location through treater, pointer dish and camera and sensor testing result simultaneously.
Description
Technical Field
The utility model belongs to the technical field of cubical switchboard fault detection, especially, relate to an online diagnosis formula thermal imaging power switch cabinet trouble early warning and analysis positioner.
Background
Among the electrical devices in the power system, the switch cabinet is the most used device and is also a device with frequent accidents. Faults inside the switchgear cabinet are very critical faults in the distribution system.
In addition, as the switch cabinet has narrow internal space, more parts, complex structure and small insulation distance, the switch cabinet is more prone to have insulation defects compared with other equipment, thereby bringing huge hidden danger to the safe operation of the equipment; therefore, faults such as partial discharge, overheating and the like of the high-voltage switch cabinet in operation are monitored, important parameters and bases can be provided for the state maintenance of the switch cabinet, the test maintenance efficiency of the switch cabinet is improved, and therefore sudden accidents of the switch cabinet are avoided, the power supply quality is improved, and the method has important application values.
Chinese patent CN 206270433U discloses a cubical switchboard fault detection device, including arc light sensor, signal processing unit, industrial computer, the signal processing unit is connected to arc light sensor, and the industrial computer is connected to the signal processing unit, and the circuit breaker of cubical switchboard is connected to the signal processing unit. Due to faults, the generated arc intensity is mainly concentrated in near ultraviolet and visible light regions, the components of the generated arc are approximately the same in different fault types, but the relative intensities of the arcs at the same wavelength are different, and the fault type can be determined by analyzing the intensity of the arcs at the same wavelength. And meanwhile, the industrial personal computer is used for analyzing the pulse strength output by the plurality of arc light sensors to position faults. The detection device has the advantages of sensitivity, accuracy, rapidness, good selectivity and the like. The device needs a plurality of arc sensors to detect data, and has high manufacturing cost.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an online diagnosis formula thermal imaging power switch cabinet trouble early warning and analysis positioner carries out the inside fault detection of cubical switchboard through the sensor to carry out fault location through treater, pointer, dial and camera and sensor testing result simultaneously.
In order to solve the technical problem, the utility model discloses a realize through following technical scheme:
the utility model relates to an on-line diagnosis type thermal imaging power switch cabinet fault early warning and analysis positioning device, which comprises a detection cavity, wherein a sensor is arranged in the detection cavity and is connected with a display through a processor;
the air inlet end of the detection cavity is communicated with a multi-way control valve through an air inlet pipe; the air outlet end of the detection cavity is communicated with an air pump through an air outlet pipe, and the air pump is communicated with an exhaust pipe;
the multi-way control valve comprises a valve body consisting of a first half valve body and a second half valve body, wherein a cylindrical valve core is arranged in the valve body, and a through hole is formed in the cylindrical valve core;
a plurality of air inlet holes are formed in the side wall of the first semi-valve body along the rotation direction of the cylindrical valve core, and air inlet hoses are communicated with the air inlet holes;
the cylindrical valve core and the second half valve body are provided with exhaust cavities, and the second half valve body is provided with an exhaust hole communicated with the exhaust cavities;
the top of cylindric case is equipped with a valve rod, the end connection of valve rod has a motor, the motor is connected with the valve body through a support.
Further, the sensor includes one or more of a temperature sensor, a gas sensor, a dust sensor, and a humidity sensor.
Further, the exhaust hole is communicated with the detection cavity through an air inlet pipe.
Furthermore, the air inlet end of the air inlet hose is connected with a horn-shaped air inlet nozzle, and filter cloth is arranged on the horn-shaped air inlet nozzle;
and the horn-shaped air inlet nozzles are respectively fixed on the inner wall of the power switch cabinet.
Furthermore, the bottom of the cylindrical valve core is rotatably connected with a positioning column through a bearing, and the positioning column is fixed in a valve body positioned below the cylindrical valve core.
Furthermore, pointers are arranged on the side wall of the top of the cylindrical valve core, pointer discs matched with the pointers are arranged on the valve body located on the side of the cylindrical valve core, and scales are arranged on the pointer discs.
Furthermore, a camera used for photographing the pointer disc is further arranged on the support, and a signal output end of the camera is connected with the processor.
Furthermore, the air outlet end of the exhaust pipe extends to the outside of the power switch cabinet and is connected with an active carbon adsorption device; the activated carbon adsorption device comprises a tube body, and activated carbon is filled in the tube body.
The utility model discloses following beneficial effect has:
1. the utility model discloses a sensor carries out the inside fault detection of cubical switchboard to carry out fault location through treater, pointer dish and camera and sensor testing result simultaneously.
2. The utility model discloses when carrying out failure analysis and detecting location, still strengthened the radiating effect of cubical switchboard, reduce the cubical switchboard trouble probability of occurrence that produces because of local overheat.
Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of the connection structure of the components of the device of the present invention;
FIG. 2 is a schematic view of the multi-way control valve of the present invention;
FIG. 3 is a schematic view of a cross-sectional structure of the multi-way control valve of the present invention;
fig. 4 is a schematic view of the cooperation between the pointer and the pointer dial of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "open hole", "upper", "lower", "thickness", "top", "middle", "length", "inner", "around", and the like, indicate positional or positional relationships, are merely for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Referring to fig. 1-4, the utility model relates to an on-line diagnosis type thermal imaging power switch cabinet fault early warning and analysis positioning device, which comprises a detection cavity 2, a sensor 21 is arranged in the detection cavity 2, and the sensor 21 is connected with a display 4 through a processor;
the air inlet end of the detection cavity 2 is communicated with a multi-way control valve 1 through an air inlet pipe 22; the air outlet end of the detection cavity 2 is communicated with an air pump 3 through an air outlet pipe 31, and an air outlet pipe 32 is communicated with the air pump 3;
the multi-way control valve 1 comprises a valve body consisting of a first half valve body 11 and a second half valve body 12, wherein a cylindrical valve core 13 is arranged in the valve body, and a through hole 14 is formed in the cylindrical valve core 13;
a plurality of air inlet holes 15 are formed in the side wall of the first semi-valve body 11 along the rotation direction of the cylindrical valve core 13, and air inlet hoses 6 are communicated with the air inlet holes 15;
the cylindrical valve core 13 and the second half valve body 12 are provided with an exhaust cavity 10, and the second half valve body 12 is provided with an exhaust hole 16 communicated with the exhaust cavity 10;
the top of the cylindrical valve core 13 is provided with a valve rod 52, the end of the valve rod 52 is connected with a motor 51, and the motor 51 is connected with the valve body through a bracket 5.
Preferably, the sensor 21 is a temperature sensor.
Preferably, the exhaust hole 16 communicates with the detection chamber 2 through an intake pipe 22.
Preferably, the air inlet end of the air inlet hose 6 is connected with a horn-shaped air inlet nozzle, and the horn-shaped air inlet nozzle is provided with filter cloth;
the horn-shaped air inlet nozzles are respectively fixed on the inner wall of the power switch cabinet.
Preferably, a positioning post 17 is rotatably connected to the bottom of the cylindrical valve core 13 through a bearing 18, and the positioning post 17 is fixed in the valve body below the cylindrical valve core 13.
Preferably, a pointer 19 is arranged on the top peripheral side wall of the cylindrical valve core 13, a pointer plate 7 matched with the pointer 19 is arranged on the valve body positioned on the peripheral side of the cylindrical valve core 13, and scales 71 are arranged on the pointer plate 7.
Preferably, a camera 53 for taking a picture of the pointer disk 7 is further arranged on the support 5, and a signal output end of the camera 53 is connected with the processor.
Preferably, the air outlet end of the exhaust pipe 32 extends to the outside of the power switch cabinet and is connected with an activated carbon adsorption device; the activated carbon adsorption device comprises a tube body, and activated carbon is filled in the tube body.
When the valve is used, the motor 51 rotates to drive the cylindrical valve core 13 to rotate in the valve body, and the through holes 14 in the cylindrical valve core 13 are sequentially communicated with the plurality of air inlet holes 15 in the first half valve body 11 in the rotating process;
meanwhile, under the action of the air pump 3, air in the power switch cabinet enters the detection cavity 2 through the horn-shaped air inlet nozzle, the air inlet hole 15, the through hole 14, the air outlet hole 16 and the air inlet pipe 22, the air is detected under the action of the sensor 21, and the detected air is exhausted to the inside and the outside of the power switch cabinet through the air pump 3 and the exhaust pipe 32;
because part of the gas in the power switch cabinet is pumped out, the gas in the external environment enters the power switch cabinet under the action of air pressure balance; because the electric elements in the power switch cabinet can generate heat to cause the gas temperature in the power switch cabinet to be higher than the ambient gas temperature, the heat dissipation of the power switch cabinet is facilitated after the gas is sucked from the external environment.
Meanwhile, the cylindrical valve core 13 can drive the pointer 19 to rotate in the rotating process, the position pointed by the pointer can be obtained after the camera 53 shoots and is analyzed by the processor, the scale positions pointed by the pointer correspond to the air inlet holes 15 one by one, the position of gas detected by the detection cavity 2 from the power switch cabinet can be obtained by knowing the scale positions, and when a fault occurs, fault location can be carried out.
The utility model provides an online diagnosis formula thermal imaging power switch cabinet fault early warning and analysis positioner, still includes infrared thermal imaging temperature monitoring terminal for acquire the infrared image signal in the temperature monitoring region in the switch board of waiting to monitor in real time, handle and output the infrared image data after the conversion.
And the control unit is used for setting and adjusting temperature monitoring areas through the infrared thermal imaging temperature monitoring terminal, monitoring the temperature of the monitoring areas, comparing the obtained temperature value of each appointed monitoring area with the data detected by the temperature sensor 21, and giving an alarm when the temperature value exceeds the time difference range.
The infrared thermal imaging temperature monitoring terminal comprises an infrared lens and an infrared focal plane image sensor, when the power distribution cabinet is observed, an infrared image signal of the power distribution cabinet to be monitored is acquired through the infrared lens, infrared rays emitted by the surface of the power distribution cabinet are imaged on a photosensitive element of the focal plane image sensor through the infrared lens, received optical signals are converted into electric signals to be output to a control unit, and the infrared image video of the current area to be monitored is displayed in real time.
The control unit comprises a PC, the PC is connected with the infrared thermal imaging temperature monitoring terminal sequentially through the management server and the RJ-45 interface and is used for setting and adjusting a temperature monitoring area, monitoring the temperature of the monitoring area, displaying an infrared image video of the current area to be monitored in real time, and storing and managing historical data.
The control unit also comprises an LCD display circuit which is used for displaying the highest temperature value in each monitoring area collected from the infrared thermal imaging temperature monitoring terminal in real time.
The control unit further comprises a loudspeaker, the loudspeaker is connected with the infrared thermal imaging temperature monitoring terminal through a voice alarm circuit and used for playing temperature alarm music when any one of the collected temperature data of the to-be-monitored area of the power distribution cabinet exceeds a set threshold value.
The infrared thermal imaging temperature monitoring terminal comprises an infrared lens, an infrared focal plane image sensor, an ADC (analog-to-digital converter) circuit, an FPGA (field programmable gate array) circuit, a DDR (double data rate) circuit, a DSP (digital signal processor) circuit, an Ethernet circuit, a GPRS/3G wireless communication circuit and a power supply circuit; the infrared lens is connected with the infrared focal plane image sensor, the infrared focal plane image sensor is respectively connected with the ADC circuit and the DSP circuit, the ADC circuit is connected with the FPGA circuit, the FPGA circuit is respectively connected with the DDR circuit and the DSP circuit, the DSP circuit is respectively connected with the Ethernet circuit and the GPRS/3G wireless communication circuit, the Ethernet circuit is connected with the control unit, and the power circuit provides a working power supply for each part of circuits of the system.
The control unit is provided with an LCD display circuit which is connected with the DSP circuit. The control unit is provided with a loudspeaker which is connected with the DSP circuit through a voice alarm circuit.
The DSP circuit also sends the alarm information to a related responsible person through a GPRS/3G wireless communication circuit. The infrared focal plane image sensor is an uncooled infrared focal plane array, and a photosensitive element array is attached to the inside of the uncooled infrared focal plane image sensor. The infrared lens is an automatic focusing lens.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (8)
1. On-line diagnosis formula thermal imaging power switch cabinet fault early warning and analysis positioner, including a detection cavity (2), its characterized in that: a sensor (21) is arranged in the detection cavity (2), and the sensor (21) is connected with a display (4) through a processor;
the air inlet end of the detection cavity (2) is communicated with a multi-way control valve (1) through an air inlet pipe (22); the air outlet end of the detection cavity (2) is communicated with an air suction pump (3) through an air outlet pipe (31), and an air exhaust pipe (32) is communicated with the air suction pump (3);
the multi-way control valve (1) comprises a valve body consisting of a first half valve body (11) and a second half valve body (12), wherein a cylindrical valve core (13) is arranged in the valve body, and a through hole (14) is formed in the cylindrical valve core (13);
a plurality of air inlet holes (15) are formed in the side wall of the first semi-valve body (11) along the rotation direction of the cylindrical valve core (13), and air inlet hoses (6) are communicated with the air inlet holes (15);
the cylindrical valve core (13) and the second half valve body (12) are provided with an exhaust cavity (10), and the second half valve body (12) is provided with an exhaust hole (16) communicated with the exhaust cavity (10);
the top of the cylindrical valve core (13) is provided with a valve rod (52), the end part of the valve rod (52) is connected with a motor (51), and the motor (51) is connected with the valve body through a support (5).
2. An on-line diagnostic thermal imaging power switchgear fault pre-warning and analysis positioning device according to claim 1, characterized in that the sensor (21) comprises one or more of a temperature sensor, a gas sensor, a dust sensor and a humidity sensor.
3. The on-line diagnosis type thermal imaging power switch cabinet fault early warning and analyzing positioning device as claimed in claim 1, wherein the exhaust hole (16) is communicated with the detection cavity (2) through an air inlet pipe (22).
4. The on-line diagnosis type thermal imaging power switch cabinet fault early warning and analyzing and positioning device as claimed in claim 1, wherein a horn-shaped air inlet nozzle is connected to an air inlet end of the air inlet hose (6), and filter cloth is arranged on the horn-shaped air inlet nozzle;
and the horn-shaped air inlet nozzles are respectively fixed on the inner wall of the power switch cabinet.
5. The on-line diagnosis type thermal imaging power switch cabinet fault early warning and analyzing and positioning device as claimed in claim 1, wherein a positioning column (17) is rotatably connected to the bottom of the cylindrical valve core (13) through a bearing (18), and the positioning column (17) is fixed in a valve body located below the cylindrical valve core (13).
6. The on-line diagnosis type thermal imaging power switch cabinet fault early warning and analyzing and positioning device as claimed in claim 1, wherein a pointer (19) is arranged on the top peripheral side wall of the cylindrical valve core (13), a pointer disk (7) matched with the pointer (19) is arranged on the valve body positioned on the peripheral side of the cylindrical valve core (13), and scales (71) are arranged on the pointer disk (7).
7. The on-line diagnosis type thermal imaging power switch cabinet fault early warning and analyzing and positioning device as claimed in claim 6, wherein a camera (53) for taking pictures of the pointer disk (7) is further arranged on the support (5), and a signal output end of the camera (53) is connected with the processor.
8. The on-line diagnostic thermal imaging power switch cabinet fault early warning and analyzing and positioning device as claimed in claim 1, wherein the air outlet end of the exhaust pipe (32) extends to the outside of the power switch cabinet and is connected with an activated carbon adsorption device; the activated carbon adsorption device comprises a tube body, and activated carbon is filled in the tube body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920907759.6U CN210954190U (en) | 2019-06-17 | 2019-06-17 | On-line diagnosis type thermal imaging power switch cabinet fault early warning and analyzing positioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920907759.6U CN210954190U (en) | 2019-06-17 | 2019-06-17 | On-line diagnosis type thermal imaging power switch cabinet fault early warning and analyzing positioning device |
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| Publication Number | Publication Date |
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| CN210954190U true CN210954190U (en) | 2020-07-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920907759.6U Expired - Fee Related CN210954190U (en) | 2019-06-17 | 2019-06-17 | On-line diagnosis type thermal imaging power switch cabinet fault early warning and analyzing positioning device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115394020A (en) * | 2022-09-20 | 2022-11-25 | 华能辛店发电有限公司 | Early warning device for distribution switchgear based on partial discharge characteristic signal analysis |
-
2019
- 2019-06-17 CN CN201920907759.6U patent/CN210954190U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115394020A (en) * | 2022-09-20 | 2022-11-25 | 华能辛店发电有限公司 | Early warning device for distribution switchgear based on partial discharge characteristic signal analysis |
| CN115394020B (en) * | 2022-09-20 | 2024-04-02 | 华能辛店发电有限公司 | Early warning device for distribution switchgear based on partial discharge characteristic signal analysis |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200707 |
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| CF01 | Termination of patent right due to non-payment of annual fee |