CN115684772A - Transformer substation equipment fault recognition testing device and testing method - Google Patents

Abstract

The invention discloses a substation equipment fault identification test device and a test method, which belong to the technical field of substations. The test device includes a test main body, and a sensor and a tester are arranged inside the test main body; driving wheels are installed at both ends of one side of the bottom of the test main body, and one side of the bottom plate There is a vertical rack welded vertically in the middle, and a driving gear meshes on the side of the vertical rack. The bottom of the test body is fixed with a second positive and negative motor horizontally. The output shaft of the second positive and negative motor is fixedly connected to the driving gear. The other side of the driving gear The driven gear is meshed, the bottom of the driven gear is meshed with a horizontal rack, one end of the horizontal rack is welded vertically with a connecting rod, and both ends of the connecting rod are welded with C-shaped blocks, and the two C-shaped blocks are respectively located on two side of the drive wheel. In the present invention, the bottom of the test body faces the ground, and the dual force of the driving wheel prevents stronger force, and the synchronous prevention linkage is stronger; it is convenient to move, and can prevent its position from moving when it moves to a designated position.

Description

Substation equipment fault identification test device and test method

technical field

The invention relates to the field of substation technology, in particular to a substation equipment fault identification testing device and testing method.

Background technique

A substation is a power facility in the power system that transforms voltage, receives and distributes electric energy, controls the flow of power, and adjusts voltage. It connects the power grids of all levels of voltage through its transformers. In substations, a variety of equipment is required, and there are many types of these equipment, including transformers, switches, four small devices, and reactive devices, as well as other equipment and auxiliary devices, such as wave traps, insulators, High-voltage bushings, guide wires, grounding devices, secondary equipment, high-voltage DC equipment, etc. The existing substation equipment fault identification test device is inconvenient to move, and it cannot enter the substation for fault identification test under special circumstances where problems occur in the simulation test, which has certain limitations.

Contents of the invention

Aiming at the problem that the current substation equipment fault identification testing device is inconvenient to move, the invention provides a substation equipment fault identification testing device and a testing method.

In order to achieve the above object, the present invention adopts the following technical solutions:

In a first aspect, the present invention provides a substation equipment fault identification test device, comprising: a test body, a sensor and a tester are arranged inside the test body;

Drive wheels are installed at both ends of one side of the bottom of the test body, a bottom plate is provided at the bottom of the test body, a vertical rack is vertically connected to the middle of one side of the bottom plate, and a driving gear is engaged on the side of the vertical rack. The bottom of the main body is fixed with a second positive and negative motor horizontally. The output shaft of the second positive and negative motor is connected to the driving gear. The other side of the driving gear is meshed with a driven gear, and the bottom of the driven gear is horizontally meshed with a horizontal rack , one end of the horizontal rack is vertically connected with a connecting rod, and both ends of the connecting rod are connected with C-shaped blocks, and the two C-shaped blocks are respectively located on the sides of the two driving wheels, which can respectively block the driving wheels make it stop.

In a preferred solution, at least one heat dissipation opening is opened on the outer side of the test body, and if multiple heat dissipation openings are provided, the plurality of heat dissipation openings are evenly distributed vertically on the outer side of the test body.

In a preferred solution, one side of the test body is provided with a suction and dust blowing mechanism, and the suction and dust blowing mechanism includes an exhaust fan arranged above the outer side of the test body, and the air inlet of the exhaust fan and the test body The interior is communicated through an air inlet pipe, and the air outlet of the exhaust fan is communicated with an air outlet pipe.

In a preferred solution, the air blowing mechanism also includes a nozzle, and the bottom end of the air outlet pipe is horizontally connected with a horizontal pipe, and there are multiple nozzles, and the multiple nozzles are evenly distributed in the horizontal pipe Bottom, and communicated with the horizontal pipe.

In a preferred solution, dust-proof nets are installed outside the cooling vents.

In a preferred solution, the bottoms of the plurality of nozzles face the outside of the dust-proof net.

In a preferred solution, telescopic rods are vertically connected to the top four corners of the bottom plate, and the bottom ends of the four telescopic rods are connected to the bottom of the test body.

In a preferred solution, a winding mechanism is provided on the front side of the test body, and the winding mechanism includes an active winding shaft, and first fixing blocks are connected to both ends above the front side of the test body. The active winding shaft is horizontally connected between the two first fixed blocks, one of the first fixed blocks is horizontally installed with a first positive and negative motor, and the output shaft of the first positive and negative motor passes through the first fixed block It is fixedly connected with one end of the active winding shaft.

In a preferred solution, the winding mechanism further includes at least one driven winding shaft arranged at the lower part of the driving winding shaft, and the driven winding shaft is connected between two second fixing blocks arranged on the front side of the test body. Between, the active winding shaft and the uppermost driven winding shaft are connected by a first belt, so that the driving winding shaft can rotate horizontally; if there are more than one driven winding shafts, every two driven winding shafts connected by a second belt.

In a preferred solution, a fixing plate is vertically connected to the bottom of the test body, a vertical groove is vertically opened on one side of the fixing plate, a horizontal groove is opened horizontally on the bottom of the fixing plate, and one end of the horizontal rack is connected to There is a first slider, the top of the vertical rack is connected to a second slider, the first slider and the second slider are respectively slidably connected to the inside of the horizontal groove and the vertical groove, and one side of the driven gear is connected vertically There is a support rod, and the other end of the support rod is rotatably connected to the fixed plate.

In a second aspect, the present invention provides a test method applied to a substation equipment fault identification test device, the substation equipment fault identification test device adopts the device provided in any possible implementation mode of the first aspect, and the test method includes:

When using two driving wheels and two steering wheels to move the test body to the required position in the substation, start the second positive and negative motor to drive the driving gear to rotate clockwise, and the driving gear drives the vertical rack to move downward, and then drives the bottom plate downward Moving, the driving gear drives the driven gear to rotate counterclockwise, and the driven gear drives the horizontal rack to move horizontally, then the connecting rod drives the two C-shaped blocks to move in the direction of the two driving wheels, and the bottom plate and the two C-shaped blocks are synchronized Move until the bottom of the base plate 15 touches the ground, and at the same time, the two C-shaped blocks just block the sides of the two driving wheels.

Beneficial technical effect that the present invention obtains:

The device provided by the invention can realize the fault identification test of online simulation, and can also perform the fault identification test on the spot. It has two functions and has a wider application range; the test body is easy to move, and it can prevent its position from moving when it moves to a designated position , the bottom of the test body is facing the ground, and the dual force of the driving wheel is more powerful, and the synchronous blocking linkage is stronger; it can speed up the heat dissipation inside the test body, and can blow off the dust adhered to the surface of the dust-proof net. There is no need for manual cleaning, saving time and effort, and avoiding dust accumulation affecting air in and out; multiple test lines can be stored to prevent entanglement between them, and it is more convenient to use.

Description of drawings

Fig. 1 is a schematic diagram of the overall structure of a substation equipment fault identification and testing device provided by an embodiment of the present invention.

Fig. 2 is a side view of the substation equipment fault identification test device provided by the embodiment of the present invention.

Fig. 3 is the first bottom view of the substation equipment fault identification test device provided by the embodiment of the present invention.

Fig. 4 is the second bottom view of the substation equipment fault identification test device provided by the embodiment of the present invention.

Fig. 5 is a schematic diagram of the bottom of the test body of the substation equipment fault identification test device provided by the embodiment of the present invention.

Fig. 6 is an enlarged view at A of the substation equipment fault identification test device provided by the embodiment of the present invention.

Reference signs in the figure: 1. Test main body; 2. Horizontal pipe; 3. Exhaust fan; 4. Nozzle; 5. Heat dissipation port; 6. Dust-proof net; 7. Second fixed block; 9. Active winding shaft; 10. First positive and negative motor; 11. First fixed block; 12. Steering wheel; 13. First belt; 14. Second belt; 15. Bottom plate; 16. C-shaped block; 17 , driving wheel; 18, connecting rod; 19, suction cup; 20, telescopic rod; 21, second positive and negative motor; 22, fixed plate; 23, vertical slot; 24, driving gear; 25, driven gear; 26, vertical Rack; 27, transverse groove; 28, the first slide block; 29, transverse rack; 30, the second slide block.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention.

Example 1:

A substation equipment fault identification test device, comprising: a test body 1, a sensor and a tester are arranged inside the test body 1;

Both ends of one side of the bottom of the test main body 1 are equipped with drive wheels 17, the bottom of the test main body 1 is provided with a bottom plate 15, and a vertical rack 26 is vertically welded in the middle of one side of the bottom plate 15, and the side of the vertical rack 26 is meshed with a driving wheel. Gear 24, the bottom of the test body 1 is horizontally fixed with a second reversible motor 21, the output shaft of the second reversible motor 21 is connected to the driving gear 24, and the other side of the driving gear 24 is meshed with a driven gear 25 , the bottom of the driven gear 25 is horizontally engaged with a horizontal rack 29, one end of the horizontal rack 29 is vertically welded with a connecting rod 18, and both ends of the connecting rod 18 are welded with a C-shaped block 16. The C-shaped blocks 16 are respectively located on the sides of the two drive wheels 17 .

The test body 1 is inlaid with sensors and testers. In a specific embodiment, there are multiple sensors and testers. The test body 1 is also equipped with components such as a display screen and a controller. The external side of the test body 1 is electrically A test line is connected, and there are multiple test lines, and steering wheels 12 are installed at both ends of the other side of the bottom of the test body.

Multiple sensors and testers are related instruments to realize the fault identification test of substation equipment. Multiple sensors are convenient to realize fault identification test of online simulation. Multiple testers and multiple test lines are convenient for fault identification test in the field. This function has a wider range of use.

Optionally, a suction cup 19 is provided at the bottom of the bottom plate 15 .

When there is a problem in the online simulation test, use two driving wheels 17 and two steering wheels 12 to move the test body 1 into the substation, and when it is moved to the desired position, start the second positive and negative motor 21 to drive the driving gear 24 clockwise Rotate, the driving gear 24 drives the vertical rack 26 to move downward, then drives the bottom plate 15 to move downward, the driving gear 24 drives the driven gear 25 to rotate counterclockwise, and the driven gear 25 drives the horizontal rack 29 to move horizontally, then through the connecting rod 18 drives the two C-shaped blocks 16 to move toward the two driving wheels 17, and the bottom plate 15 and the two C-shaped blocks 16 move synchronously until the multiple suction cups 19 at the bottom of the bottom plate 15 suck the ground, while the two C-shaped blocks The block 16 just blocks the sides of the two driving wheels 17, preventing the driving wheels 17 from continuing to rotate, increasing the friction with the ground, the double acting force is more powerful, and synchronously preventing the linkage is stronger, thereby preventing the position of the entire test body 1 from moving , so as to facilitate the substation equipment fault identification test at the desired location.

It should be noted that in the present invention, in order to increase the reliability and stability of the connection between parts, the connection of some parts is completed by welding. In other embodiments, the connection between some parts can also be realized by using the existing technology .

Example 2:

On the basis of implementation 1, the substation equipment fault identification test device provided in this embodiment, as shown in FIGS. In a preferred embodiment, there are a plurality of cooling vents 5 , and the plurality of cooling vents 5 are evenly distributed vertically on the outer side of the test body 1 , and dust-proof nets 6 are installed on each of the plurality of cooling vents 5 . A plurality of cooling openings 5 can facilitate the air in and out, and the dust-proof net 6 prevents dust from entering the interior of the test main body 1 .

Embodiment 3: With reference to Fig. 1 and Fig. 3, in a preferred embodiment, one side of the test body 1 is provided with a suction and dust blowing mechanism, the suction and dust blowing mechanism includes a suction fan 3, and the suction fan 3 is fixedly installed on the test body 1, the air inlet of the exhaust fan 3 is connected with the inside of the test main body 1 through an air inlet pipe, and the air outlet of the exhaust fan 3 is connected with an air outlet pipe.

Referring to Fig. 1 and Fig. 3, in a preferred embodiment, the air blowing and dust blowing mechanism also includes a nozzle 4, and the bottom end of the air outlet pipe is horizontally connected with a horizontal pipe 2, and there are multiple nozzles 4, and the plurality of nozzles 4 are arranged along the The bottom of the horizontal tube 2 is evenly distributed in the horizontal direction, and the bottom of the plurality of nozzles 4 is directly facing the outside of the dust-proof net 6 . During the working process of the test body 1, start the exhaust fan 3 to extract the hot air inside the test body 1 through the air inlet pipe, the air outlet pipe and the nozzle 4, and the cold air from the outside enters the test body 1 through a plurality of heat dissipation ports 5 to speed up the test The internal heat of the main body 1 is dissipated, and the extracted hot air is sprayed to the surface of the dust-proof net 6 through multiple nozzles 4, which can blow off the dust adhered to the surface of the dust-proof net 6, without manual cleaning, saving time and effort, and avoiding the influence of dust accumulation Air goes in and out.

Embodiment 4: On the basis of the above embodiments, in this embodiment, the front side of the test body 1 is provided with a winding mechanism. Referring to FIGS. First fixed blocks 11 are welded at both ends of the upper front side, and the active winding shaft 9 is horizontally connected between the two first fixed blocks 11, and a first positive and negative motor 10 is installed horizontally on the outside of one of the first fixed blocks 11, The output shaft of the first reversing motor 10 is fixedly connected to one end of the driving winding shaft 9 .

1 and 2, the front side of the test body 1 also includes a driven winding shaft 8, and the two ends of the middle part of the front side of the test body 1 are welded with second fixing blocks 7, and the two second fixing blocks 7 are provided with multiple sets A plurality of driven winding shafts 8 are provided, and the plurality of driven winding shafts 8 are respectively horizontally rotatably connected between multiple sets of two second fixing blocks 7 .

Referring to Figure 1 and Figure 2, one end of a plurality of driven winding shafts 8 runs through the second fixed block 7 on one side, and the driving winding shaft 9 and the uppermost driven winding shaft 8 are connected by the first belt 13, every two The two driven bobbins 8 are connected by a second belt 14. When using multiple test lines, start the first positive and negative motor 10 to drive the active winding shaft 9 to rotate, the active winding shaft 9 drives the uppermost driven winding shaft 8 to rotate through the first belt 13, and the uppermost driven winding shaft 8 passes through The second belt 14 drives other driven winding shafts 8 to rotate, thereby making the driving winding shaft 9 and a plurality of driven winding shafts 8 rotate together, so that a plurality of test lines are passed from the driving winding shaft 9 and a plurality of driven winding shafts 8 Loosen, easy to use, after use, reverse rotation and then wind multiple test lines on the active winding shaft 9 and multiple driven winding shafts 8, so as to store multiple test lines and prevent them from being entangled , more convenient to use.

Embodiment 5: With reference to Fig. 4 and Fig. 5, in a preferred embodiment, the top four corners of bottom plate 15 are all vertically welded with telescoping rods 20, the bottom ends of four telescopic rods 20 are all welded to the bottom of test main body 1, suction cup 19 is provided in multiples and evenly distributed on the bottom of the bottom plate 15 in a rectangular array. The four telescopic rods 20 make the lifting of the bottom plate 15 more stable, and the multiple suction cups 19 increase the frictional force between the bottom plate 15 and the ground.

Embodiment 6: Referring to Fig. 5 and Fig. 6, in a preferred embodiment, the bottom of the test body 1 is vertically welded with a fixed plate 22, one side of the fixed plate 22 is vertically provided with a vertical groove 23, and the bottom of the fixed plate 22 is horizontally opened There is a horizontal groove 27, a first slider 28 is welded to one end of the horizontal rack 29, and a second slider 30 is welded to the top of the vertical rack 26, and the first slider 28 and the second slider 30 are slidably connected to the horizontal groove 27 and the second slider 30 respectively. Inside the vertical groove 23 , a supporting rod is vertically welded on one side of the driven gear 25 , and the other end of the supporting rod is rotatably connected to the fixing plate 22 . The fixed plate 22 provides supporting force to the horizontal rack 29 , the vertical rack 26 and the driven gear 25 .

Working principle: when in use, multiple sensors cooperate with the display screen, controller and other components on the test body 1 to facilitate the online simulation fault identification test. When there is a problem in the online simulation test, use two driving wheels 17 and two A steering wheel 12 moves the test main body 1 into the substation, and when it is moved to the desired position, the second positive and negative motor 21 is started to drive the driving gear 24 to rotate clockwise, and the driving gear 24 drives the vertical rack 26 to move downward, which then drives the bottom plate 15 moves downward, the driving gear 24 drives the driven gear 25 to rotate counterclockwise, and the driven gear 25 drives the horizontal rack 29 to move horizontally, then the connecting rod 18 drives the two C-shaped blocks 16 to move in the direction of the two driving wheels 17 , the bottom plate 15 and the two C-shaped blocks 16 move synchronously until the multiple suction cups 19 at the bottom of the bottom plate 15 suck the ground, and at the same time the two C-shaped blocks 16 just block the sides of the two driving wheels 17, preventing the driving wheels 17 from continuing Rotate, increase the friction with the ground, the double action force will prevent greater strength, and the synchronous prevention linkage will be stronger, so as to prevent the position of the entire test body 1 from moving, and facilitate its substation equipment fault identification test at the desired position;

Multiple testers and multiple test lines are convenient for fault identification testing on the spot. They have two functions and are used in a wider range. The spool 9 drives the top driven bobbin 8 to rotate through the first belt 13, and the top driven bobbin 8 drives the other driven bobbins 8 to rotate through the second belt 14, so that the active bobbin 9 and multiple The driven winding shaft 8 rotates together, so that a plurality of test lines are loosened from the active winding shaft 9 and a plurality of driven winding shafts 8, which is convenient to use. On the spool 9 and multiple driven winding spools 8, multiple test lines can be stored to prevent entanglement between them, making it more convenient to use;

During the working process of the test body 1, start the exhaust fan 3 to extract the hot air inside the test body 1 through the air inlet pipe, the air outlet pipe and the nozzle 4, and the cold air from the outside enters the test body 1 through a plurality of heat dissipation ports 5 to speed up the test The internal heat of the main body 1 is dissipated, and the extracted hot air is sprayed to the surface of the dust-proof net 6 through multiple nozzles 4, which can blow off the dust adhered to the surface of the dust-proof net 6, without manual cleaning, saving time and effort, and avoiding the influence of dust accumulation Air goes in and out.

The above is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto, any person familiar with the technical field within the technical scope disclosed in the present invention, according to the technical solution of the present invention Any equivalent replacement or change of the inventive concepts thereof shall fall within the protection scope of the present invention.

Claims (11)

1. The substation equipment fault identification test device is characterized in that it includes: a test body (1), and a sensor and a tester are arranged inside the test body (1); Drive wheels (17) are installed at both ends of the side bottom of the test main body (1), and a bottom plate (15) is provided at the bottom of the test main body (1), and a vertical rack (15) is vertically connected to one side of the bottom plate (15). 26), the side of the vertical rack (26) is meshed with a driving gear (24), the bottom of the test body (1) is horizontally fixed with a second positive and negative motor (21), and the second positive and negative motor (21 ) is connected to the driving gear (24), the other side of the driving gear (24) is meshed with a driven gear (25), and the bottom of the driven gear (25) is horizontally meshed with a horizontal rack (29), so One end of the horizontal rack (29) is vertically connected with a connecting rod (18), and both ends of the connecting rod (18) are connected with C-shaped blocks (16), and the two C-shaped blocks (16) are respectively Be located at two drive wheels (17) sides, can block drive wheels (17) and make it stop respectively. 2. The substation equipment fault identification test device according to claim 1, characterized in that at least one cooling vent (5) is provided on the outer side of the test body (1), if multiple cooling vents (5) are provided , the plurality of heat dissipation openings (5) are evenly distributed vertically on the outer side of the test body (1). 3. The substation equipment fault identification test device according to claim 2, characterized in that, one side of the test body (1) is provided with an air blowing dust blowing mechanism, and the air blowing dust blowing mechanism includes The exhaust fan (3) on the upper side of the exterior, the air inlet of the exhaust fan (3) communicates with the inside of the test body (1) through an air inlet pipe, and the air outlet of the exhaust fan (3) communicates with an air outlet pipe. 4. The substation equipment fault identification test device according to claim 3, characterized in that, the air blowing dust blowing mechanism also includes a nozzle (4), and the bottom end of the air outlet pipe is horizontally connected with a horizontal pipe (2), so There are multiple nozzles (4), and the multiple nozzles (4) are uniformly distributed on the bottom of the horizontal tube (2) along the horizontal direction, and communicate with the horizontal tube (2). 5. The substation equipment fault identification and testing device according to claim 4, characterized in that dust-proof nets (6) are installed outside the heat dissipation openings (5). 6. The substation equipment fault identification test device according to claim 5, characterized in that the bottoms of the plurality of nozzles (4) are facing the outside of the dust-proof net (6). 7. The substation equipment fault identification test device according to claim 1, characterized in that, the top four corners of the bottom plate (15) are vertically connected with telescopic rods (20), and the four telescopic rods (20) The bottom ends are all connected to the bottom of the test main body (1). 8. The substation equipment fault identification test device according to claim 1, characterized in that, the front side of the test body (1) is provided with a winding mechanism, and the winding mechanism includes an active winding shaft (9), so Both ends of the upper front side of the test body (1) are connected with a first fixed block (11), and the active winding shaft (9) is connected between the two first fixed blocks (11), one of which is the first fixed block (11). A first reversible motor (10) is installed horizontally on the outside of a fixed block (11), the output shaft of the first reversible motor (10) passes through the first fixed block (11) and one end of the active winding shaft (9) is fixed connected so that the active winding shaft (9) can rotate horizontally. 9. The substation equipment fault identification test device according to claim 8, characterized in that, the winding mechanism further comprises at least one driven winding shaft (8) arranged at the lower part of the driving winding shaft (9), the slave The moving winding shaft (8) is horizontally rotatably connected between two second fixed blocks (7) arranged on the front side of the test body (1), the active winding shaft (9) and the uppermost driven winding shaft (8) ) are connected by a first belt (13); if there are more than one driven winding shafts (8), every two driven winding shafts (8) are connected by a second belt (14). 10. The substation equipment fault identification test device according to claim 1, characterized in that, the bottom of the test main body (1) is vertically connected with a fixing plate (22), and one side of the fixing plate (22) is vertically opened There is a vertical groove (23), the bottom of the fixed plate (22) is horizontally opened with a horizontal groove (27), and one end of the horizontal rack (29) is connected with a first slider (28), and the vertical rack (26) ) is connected to the top of the second slider (30), the first slider (28) and the second slider (30) are respectively slidably connected to the inside of the horizontal groove (27) and the vertical groove (23), and the driven One side of the gear (25) is vertically connected with a support rod, and the other end of the support rod is rotatably connected to the fixed plate (22). 11. The test method for fault identification of substation equipment, characterized in that, the test method for fault identification of substation equipment adopts the test device according to any one of claims 1 to 10, and the test method comprises: When using two driving wheels (17) and two steering wheels (12) to move the test body (1) to the required position in the substation, start the second positive and negative motor (21) to drive the driving gear (24) to rotate clockwise, The driving gear (24) drives the vertical rack (26) to move downward, and then drives the bottom plate (15) to move downward, the driving gear (24) drives the driven gear (25) to rotate counterclockwise, and the driven gear (25) drives the horizontal When the rack (29) moves horizontally, the connecting rod (18) drives the two C-shaped blocks (16) to move toward the two drive wheels (17). The bottom plate (15) and the two C-shaped blocks (16) Move synchronously until the bottom of the base plate (15) until the bottom of the base plate (15) touches the ground, while the two C-shaped blocks (16) just block the sides of the two driving wheels (17).

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