CN218727935U

CN218727935U - Power-on test device

Info

Publication number: CN218727935U
Application number: CN202222936509.XU
Authority: CN
Inventors: 牟立春
Original assignee: Wuhan Jinyuan Electric Co ltd
Current assignee: Wuhan Jinyuan Electric Co ltd
Priority date: 2022-11-04
Filing date: 2022-11-04
Publication date: 2023-03-24
Anticipated expiration: 2032-11-04

Abstract

The utility model relates to a test device technical field, concretely relates to circular telegram test device, including the protective housing, the upper end fixedly connected with test table of protective housing, the lower extreme of protective housing equal fixedly connected with universal wheel all around, the quantity of universal wheel is four, the middle part of protective housing is provided with detection device, the beneficial effects of the utility model are that: detection device's lower extreme is provided with the universal wheel and conveniently drives whole device and remove, convenience greatly increased to can slide in the middle part of protective housing at one side push rod of detection device, and then reduce area, the practicality has obtained the increase, then begins to detect the transformer, through simulating distribution transformer live operating condition, thereby whether the detection repair back transformer has unusual sound, whether idle current, idle voltage are normal, with the live operating effect after the detection transformer repair.

Description

Power-on test device

Technical Field

The utility model relates to a test device technical field, concretely relates to circular telegram test device.

Background

In recent years, along with the development of rural economic society and the continuous improvement of the living standard of farmers, along with the successful construction influence of Shanghai-West expressway and Yiwan railways, the scale of power consumption for industrial and agricultural production is continuously enlarged, and the contradiction between power supply and demand is more and more prominent due to the increasing increase of power consumption and the change of power consumption structure. And the rural power grid foundation in China is weak, and although rural power grid upgrading and transformation are performed for several rounds, villages and communities without rural power grid upgrading and transformation still exist, and part of distribution transformers are still in low-voltage and overload working states for a long time, so that the distribution transformers are seriously damaged.

The transformer damages, purchases new transformer to the required time, and the influence of weather is probably more of a specified duration in addition, and long-time power failure has brought huge inconvenience for resident's life to the transformer is after the maintenance, whether can maintain normal work, perhaps whether work efficiency can reduce, need detect through special machine, and transformer replacement cost is very huge.

Therefore, it is necessary to design the energization testing apparatus.

SUMMERY OF THE UTILITY MODEL

For this reason, the utility model provides a power-on test device passes through detection device to solve present transformer damage, purchase new transformer to the needs time, the influence of weather can be more of a specified duration in addition, long-time power failure has brought huge inconvenience for resident's life, and the transformer is after the maintenance, whether can maintain normal work, perhaps work efficiency whether can reduce, need detect through special machine, and transformer replacement cost ten minutes huge scheduling problem.

In order to achieve the above object, the present invention provides the following technical solutions: the power-on test device comprises a protective box, wherein the upper end of the protective box is fixedly connected with a detection table, universal wheels are fixedly connected to the periphery of the lower end of the protective box, the number of the universal wheels is four, and the middle of the protective box is provided with a detection device;

the detection device comprises a detection assembly and a placement assembly, wherein the two sides of the protection box are respectively provided with a placement groove, the two sides of the inner wall of each placement groove are respectively fixedly connected with a fixed shaft, the side wall of each fixed shaft is rotatably connected with a rotary drum, the side wall of each rotary drum is fixedly connected with a push rod, the detection assembly is arranged in the middle of the protection box, and the placement assembly is arranged on the side wall of the protection box.

Preferably, the placing component comprises a second friction sleeve, the second friction sleeve is fixedly connected to the side wall of the push rod, clamping plates are fixedly connected to two sides of the inner wall of the placing groove, and the push rod is arranged in the middle of the placing groove.

Preferably, the clamping plate is arranged on one side of the push rod, sliding grooves are formed in two sides of the middle of the protective box, sliding blocks are connected to the middle of the sliding grooves in a sliding mode, and a material box is fixedly connected between the two sliding blocks.

Preferably, a material cavity is uniformly formed above the side wall of the material box, a protection pad is arranged in the middle of the material cavity, and the material box is connected to the middle of one side of the protection box in a sliding mode.

Preferably, the side wall of the material box is fixedly connected with a connecting plate, the side wall of the connecting plate is fixedly connected with a handle, and the side wall of the handle is fixedly connected with a first friction sleeve.

Preferably, the detecting component comprises two detecting instruments, the number of the detecting instruments is two, the detecting instruments are uniformly installed on one side of the detecting platform, the key switch is installed above the detecting platform, and the indicating lamp is installed above the detecting platform.

Preferably, the mid-mounting of protective housing has current relay, current relay's lateral wall and the middle part electric connection of protective housing have voltage relay, voltage relay's lateral wall and the middle part electric connection of protective housing have intermediate relay.

Preferably, the lateral wall of auxiliary relay just has current transformer at the middle part electric connection of protective housing, the connector is evenly installed to the lateral wall of protective housing, the lateral wall of protective housing runs through fixedly connected with heat dissipation orifice plate.

The utility model has the advantages that: detection device's lower extreme is provided with the universal wheel and conveniently drives whole device and remove, convenience greatly increased to can slide in the middle part of protective housing at one side push rod of detection device, and then reduce area, the practicality has obtained the increase, then begins to detect the transformer, through simulating distribution transformer live operating condition, thereby whether the detection repair back transformer has unusual sound, whether idle current, idle voltage are normal, with the live operating effect after the detection transformer repair.

Drawings

Fig. 1 is a front view of a power-on test device provided by the present invention;

fig. 2 is a side view of the energization testing apparatus provided by the present invention;

fig. 3 is a cross-sectional view of the energization testing apparatus provided by the present invention;

fig. 4 is a top view of a material box of the power-on test device provided by the present invention;

in the figure: 1. an indicator light; 2. a grip; 3. a protective box; 4. a connector; 5. a universal wheel; 6. a connecting plate; 7. a first friction sleeve; 8. a key switch; 9. detecting a meter; 10. a detection table; 11. a placement groove; 12. a fixed shaft; 13. a rotating drum; 14. clamping a plate; 15. a push rod; 16. a second friction sleeve; 17. a heat dissipation pore plate; 18. a current relay; 19. a voltage relay; 20. an intermediate relay; 21. a current transformer; 22. a protective pad; 23. a slider; 24. a material box; 25. a chute; 26. a material cavity.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Referring to the attached drawings 1-4, the utility model provides a power-on test device, including the protective housing 3, the protective housing 3 can play the effect of supporting and protecting, is made by the metal, the upper end fixedly connected with test table 10 of protective housing 3, test table 10 can play the effect of supporting and fixing, is made by the metal, the lower extreme of protective housing 3 all fixedly connected with universal wheel 5 all around, conveniently drive detection device through universal wheel 5 and remove, the quantity of universal wheel 5 is four, the middle part of protective housing 3 is provided with detection device, detection device includes detection component and placing component, both sides of protective housing 3 are provided with standing groove 11, standing groove 11 facilitates putting in of push rod 15, both sides of the inner wall of standing groove 11 are both fixedly connected with fixed axle 12, fixed axle 12 can play the effect of connecting and fixing, is made by the metal, the lateral wall of fixed axle 12 rotates and is connected with rotary drum 13, the rotary drum 13 can play a role in rotation and connection, the rotary drum is made of metal, a push rod 15 is fixedly connected to the side wall of the rotary drum 13, the push rod 15 is used for conveniently driving the detection device to move, the detection component is arranged in the middle of the protection box 3, the placement component is arranged on the side wall of the protection box 3 and comprises a second friction sleeve 16, the second friction sleeve 16 can increase friction force and is convenient for the push rod 15 to use, the detection component is made of rubber, the second friction sleeve 16 is fixedly connected to the side wall of the push rod 15, two sides of the inner wall of the placement groove 11 are both fixedly connected with clamping plates 14, the clamping plates 14 can limit the push rod 15, the push rod 15 is arranged in the middle of the placement groove 11, the clamping plates 14 are arranged on one side of the push rod 15, two sides of the middle of the protection box 3 are both provided with sliding grooves 25, the sliding grooves 25 are convenient for sliding of sliding blocks 23, the sliding blocks 23 are all slidably connected in the middle of the sliding grooves 25, the slide block 23 can play a role of sliding and connecting, is made of metal, a material box 24 is fixedly connected between the two slide blocks 23, the material box 24 is convenient for placing an operation tool, a material cavity 26 is uniformly arranged above the side wall of the material box 24, the material cavity 26 is convenient for placing the operation tool, a protection pad 22 is arranged in the middle of the material cavity 26, the protection pad 22 can play a role of protection, the material box is convenient for placing the tool and is made of rubber, the material box 24 is slidably connected in the middle of one side of the protection box 3, the side wall of the material box 24 is fixedly connected with a connecting plate 6, the connecting plate 6 can play a role of connecting and fixing and is made of metal, a handle 2 is fixedly connected to the side wall of the connecting plate 6, the handle 2 is used for facilitating the front and back sliding of the material box 24 and is made of metal, a first friction sleeve 7 is fixedly connected to the side wall of the handle 2, the detection assembly comprises two detection instruments 9, two detection instruments 9 are uniformly arranged on one side of the detection platform 10, a key 8 is arranged above a relay, and a relay 18 can play a role of indicating current control in an automatic control system, and a relay control device which is arranged above a relay 18, and has a function of controlling circuit, and a function of controlling a relay control system which is more effectively, the automatic control device is provided with a control system and a controlled system, is usually applied to an automatic control circuit, and is actually an 'automatic switch' for controlling larger current by using smaller current, and is used as a starting element for overvoltage protection or low-voltage locking, the side wall of a voltage relay 19 is electrically connected with an intermediate relay 20 in the middle of a protection box 3, the intermediate relay 20 is usually used for transmitting signals and simultaneously controlling a plurality of circuits, and can also be used for directly controlling a small-capacity motor or other electric execution elements, the structure and the working principle of the intermediate relay are basically the same as those of an alternating current contactor, the main difference from the alternating current contactor is that the number of contacts is larger, the contact capacity is small, the side wall of the intermediate relay 20 is electrically connected with a current transformer 21 in the middle of the protection box 3, the current transformer 21 is an instrument for converting large primary side current into small current according to the electromagnetic induction principle to measure, the side wall of the protection box 3 is uniformly provided with a connector 4, the connector 4 is convenient for the connection of a positive motor and a negative motor of the transformer, the side wall of the protection box 3 is fixedly connected with a heat dissipation pore plate 17 in a penetrating way, the heat dissipation pore plate 17 is uniformly arranged on the side wall of the plate-shaped object, which is convenient for ventilation and heat dissipation, and is made of the protection box 3;

the utility model discloses a use as follows: the technical personnel in the field firstly make the push rod 15 rotate from the side wall of the fixed shaft 12 through the rotary drum 13, then rotate and slide out from the middle part of the placing groove 11 and the clamping plate 14, then use the push rod 15 to make the detection device move through the universal wheel 5 at the lower end, when moving to a proper position, limit and fix, then put the push rod 15 into the middle part of the placing groove 11 to place, and respectively connect the anode and the cathode of the repaired transformer to one end of the two connectors 4, and use the handle 2 to pull out the material box 24 through the sliding blocks 23 at the two sides in a sliding way, take out the using tool to clamp and fix the connectors 4, then close the material box 24, use the key switch 8 to make the detection device work, check the pointer on the detection instrument 9 to rotate, when the 400V AC voltage rises to 10 kV, then stop rotating, then electrify the repaired transformer at high voltage, insert the secondary measurement device into the low-voltage side of the repaired transformer to measure, detect whether the repaired transformer has abnormal sound, and whether the current and the voltage are normal, to detect whether the repaired transformer is empty load, if the transformer is in the normal operation after the repair, the transformer, the normal transformer can be displayed.

The above is only a preferred embodiment of the present invention, and any person skilled in the art may modify the present invention or modify it into an equivalent technical solution by using the technical solutions described above. Therefore, any simple modifications or equivalent replacements made according to the technical solution of the present invention belong to the scope of the claimed invention as far as possible.

Claims

1. Power-on test device, including protective housing (3), the upper end fixedly connected with of protective housing (3) examines test table (10), equal fixedly connected with universal wheel (5) all around of the lower extreme of protective housing (3), the quantity of universal wheel (5) is four, its characterized in that: a detection device is arranged in the middle of the protective box (3);

the detection device comprises a detection assembly and a placement assembly, wherein both sides of the protection box (3) are provided with placement grooves (11), the inner wall of each placement groove (11) is fixedly connected with a fixed shaft (12) on both sides, the side wall of each fixed shaft (12) is rotatably connected with a rotary drum (13), the side wall of each rotary drum (13) is fixedly connected with a push rod (15), the detection assembly is arranged in the middle of the protection box (3), and the placement assembly is arranged on the side wall of the protection box (3).

2. The energization testing apparatus according to claim 1, wherein: the placing assembly comprises a second friction sleeve (16), the second friction sleeve (16) is fixedly connected to the side wall of the push rod (15), clamping plates (14) are fixedly connected to two sides of the inner wall of the placing groove (11), and the push rod (15) is arranged in the middle of the placing groove (11).

3. The energization testing apparatus according to claim 2, wherein: the clamping plate (14) is arranged on one side of the push rod (15), sliding grooves (25) are formed in two sides of the middle of the protective box (3), sliding blocks (23) are connected to the middle of each sliding groove (25) in a sliding mode, and a material box (24) is fixedly connected between the two sliding blocks (23).

4. A power-on test device according to claim 3, characterized in that: the material box is characterized in that material cavities (26) are uniformly arranged above the side walls of the material box (24), a protective pad (22) is arranged in the middle of each material cavity (26), and the material box (24) is connected to the middle of one side of the protective box (3) in a sliding mode.

5. A power-on test device according to claim 4, characterized in that: the side wall of the material box (24) is fixedly connected with a connecting plate (6), the side wall of the connecting plate (6) is fixedly connected with a handle (2), and the side wall of the handle (2) is fixedly connected with a first friction sleeve (7).

6. The energization testing apparatus according to claim 1, wherein: the detection assembly comprises detection instruments (9), the number of the detection instruments (9) is two, two the detection instruments (9) are uniformly installed on one side of a detection table (10), a key switch (8) is installed above the detection table (10), and an indicator lamp (1) is installed above the detection table (10).

7. The energization testing apparatus according to claim 6, wherein: the protection box is characterized in that a current relay (18) is mounted in the middle of the protection box (3), a voltage relay (19) is electrically connected to the side wall of the current relay (18) in the middle of the protection box (3), and an intermediate relay (20) is electrically connected to the side wall of the voltage relay (19) in the middle of the protection box (3).

8. The energization testing apparatus according to claim 7, wherein: the side wall of auxiliary relay (20) and at the middle part electric connection of protective housing (3) have current transformer (21), connector (4) are evenly installed to the side wall of protective housing (3), the lateral wall of protective housing (3) runs through fixedly connected with heat dissipation orifice plate (17).