阅读说明：本技术 一种移相整流变压器 (Phase-shifting rectifier transformer ) 是由 王留杰 黄永恒 康智文 李蕾玉 陈培 于 2021-09-02 设计创作，主要内容包括：本发明公开了一种移相整流变压器,涉及电力系统用电源变压器技术领域,为解决工作人员工作时难以对每个变压器的漏渗油情况进行检查,从而无法及时发现漏油情况的问题。所述油箱上方的一侧固定设置有油枕,所述油枕的一侧分别设置有高压套管和低压套管,且高压套管位于低压套管的一侧,所述油枕、高压套管、PLC模块盒和低压套管的上方设置有防坠结构,所述防坠结构的上方矩形设置有束线结构,所述油箱上端的四个拐角处均设置有电动伸缩杆盒,所述电动伸缩杆盒的内部设置有电动伸缩杆,所述油箱内部的上端设置有按压结构,所述油箱的前端设置有温度传感器,所述油箱的左右两侧对称设置有上压力传感器,所述油箱的前后两侧对称设置有下压力传感器。(The invention discloses a phase-shifting rectifier transformer, relates to the technical field of power transformers for power systems, and aims to solve the problem that workers are difficult to check oil leakage and seepage conditions of each transformer when working, so that the oil leakage conditions cannot be found in time. The fixed conservator that is provided with in one side of oil tank top, one side of conservator is provided with high-tension bushing and low-voltage bushing respectively, and high-tension bushing is located low-voltage bushing's one side, conservator, high-tension bushing, PLC module box and low-voltage bushing's top is provided with prevents weighing down the structure, the top rectangle of preventing weighing down the structure is provided with bunch structure, four corners of oil tank upper end all are provided with the electric telescopic handle box, the inside of electric telescopic handle box is provided with electric telescopic handle, the inside upper end of oil tank is provided with presses down the structure, the front end of oil tank is provided with temperature sensor, the left and right sides symmetry of oil tank is provided with pressure sensor, bilateral symmetry is provided with down force transducer around the oil tank.)

1. A phase-shifting rectifier transformer comprises an oil tank (1), and is characterized in that: an oil conservator (3) is fixedly arranged on one side above the oil tank (1), a high-voltage sleeve (4) and a low-voltage sleeve (7) are respectively arranged on one side of the oil conservator (3), the high-voltage sleeve (4) is positioned on one side of the low-voltage sleeve (7), an anti-falling structure (26) is arranged above the oil conservator (3), the high-voltage sleeve (4), the PLC module box (5) and the low-voltage sleeve (7), a bunch structure (27) is arranged on a rectangle above the anti-falling structure (26), electric telescopic rod boxes (6) are arranged at four corners of the upper end of the oil tank (1), an electric telescopic rod (11) is arranged inside the electric telescopic rod box (6), a pressing structure (10) is arranged at the upper end of the inside of the oil tank (1), a temperature sensor (25) is arranged at the front end of the oil tank (1), and upper pressure sensors (13) are symmetrically arranged on the left side and the right side of the oil tank (1), and the front side and the rear side of the oil tank (1) are symmetrically provided with downward pressure sensors (14).

2. The phase-shifting rectifier transformer according to claim 1, wherein: the inside of oil tank (1) is provided with iron core (8), the outside of iron core (8) is provided with winding (9), press structure (10) to be located the top of iron core (8) and winding (9), all be provided with radiator (2) around oil tank (1), the below of conservator (3) front end is provided with moisture absorption mechanism (12).

3. The phase-shifting rectifier transformer according to claim 1, wherein: inside one side of PLC module box (5) is fixed respectively and is provided with PLC module (20) and 4G module (21), and PLC module (20) are located one side of 4G module (21), one side of PLC module (20) and 4G module (21) is fixed respectively and is provided with recording module (22) and storage module (23), and recording module (22) are located one side of storage module (23).

4. A phase shifting rectifier transformer according to claim 3, wherein: the output of recording module (22) and the input electric connection of PLC module (20), 4G module (21) and storage module (23) respectively with PLC module (20) electric connection, the output of temperature sensor (25) and the input electric connection of PLC module (20), the output of PLC module (20) and the input electric connection of electric telescopic handle (11), go up pressure sensor (13) and down pressure sensor (14) respectively with PLC module (20) electric connection.

5. The phase-shifting rectifier transformer according to claim 1, wherein: the upper end of pressing structure (10) is provided with spacing limit (15), the lower extreme of pressing structure (10) is provided with compression dish (16), and just spacing limit (15) are structure as an organic whole with compression dish (16), the inside equidistance of compression dish (16) is provided with three sets of guiding gutter (17), and every set of guiding gutter (17) comprises guiding gutter (17) that the annular set up, the outside cover of spacing limit (15) is equipped with sealing strip (19).

6. The phase-shifting rectifier transformer according to claim 5, wherein: the outside of backward flow groove (17) is provided with electric telescopic handle connecting seat (24), electric telescopic handle connecting seat (24) are provided with four, and four electric telescopic handle connecting seats (24) set up about the central annular of pressing structure (10), electric telescopic handle (11) and pressing structure (10) are through electric telescopic handle connecting seat (24) fixed connection, press the intermediate position department of structure (10) and seted up check valve groove (18), the inside of check valve groove (18) is provided with the check valve.

7. The phase-shifting rectifier transformer according to claim 1, wherein: prevent weighing down the upper end of structure (26) and be provided with and draw material limit (28), and draw material limit (28) to keeping away from oil tank (1) direction slope, prevent weighing down the symmetrical equidistance in both ends around structure (26) and set up and have six threading grooves (29), bunch structure (27) are located threading groove (29) and are close to the top of preventing weighing down structure (26) center one end.

8. The phase-shifting rectifier transformer according to claim 7, wherein: the inside of bunch structure (27) is provided with bunch groove (32), and bunch groove (32) link up with threading groove (29) mutually, bunch structure (27) are the circular arc post, one side dislocation that bunch structure (27) are close to threading groove (29) is provided with stopper (33), prevent weighing down the outside of structure (26) lower extreme and be provided with weather shield (30), and weather shield (30) are the bellied arcuation board that makes progress, prevent weighing down four corners of structure (26) lower extreme and be provided with and prevent weighing down structure supporting legs (31).

Technical Field

The invention relates to the technical field of power transformers for power systems, in particular to a phase-shifting rectifier transformer.

Background

The rectifier transformer is a power transformer of the rectifying device. The rectifier is characterized in that the primary side inputs alternating current, and the secondary side outputs direct current after passing through a rectifier element. The variable current is a general term of three working modes of rectification, reverse flow and frequency conversion, and the rectification is one of the most widely applied modes. A transformer used as a power source of the rectifying device is called a rectifier transformer. The majority of industrial rectified dc power is obtained from the ac network through a rectifier transformer and a rectifying device.

The oil leakage of the rectifier transformer on the current market is one of the common faults of the power transformer, the normal operation of the transformer is often influenced by the fault, the leaked oil can pollute the environment, meanwhile, great economic loss can be caused, even the power system is shut down when the condition is serious, but workers are difficult to check the oil leakage condition of each transformer when working, so that the oil leakage condition can not be found in time, and a phase-shifting rectifier transformer is provided, so that the problem provided in the above is solved.

Disclosure of Invention

The invention aims to provide a phase-shifting rectifier transformer, which aims to solve the problem that the oil leakage condition of each transformer cannot be detected in time because workers are difficult to detect when working in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a phase-shift rectifier transformer, includes the oil tank, the fixed conservator that is provided with in one side of oil tank top, one side of conservator is provided with high-tension bushing and low-voltage bushing respectively, and high-tension bushing is located low-voltage bushing's one side, conservator, high-tension bushing, PLC module box and low-voltage bushing's top is provided with prevents weighing down the structure, the top rectangle of preventing weighing down the structure is provided with bunch structure, four corners of oil tank upper end all are provided with electric telescopic handle box, electric telescopic handle box's inside is provided with electric telescopic handle, the inside upper end of oil tank is provided with presses down the structure, the front end of oil tank is provided with temperature sensor, the left and right sides symmetry of oil tank is provided with pressure sensor, bilateral symmetry is provided with down force sensor around the oil tank.

Preferably, the inside of oil tank is provided with the iron core, the outside of iron core is provided with the winding, press the structure and be located the top of iron core and winding, all be provided with the radiator around the oil tank, the below of conservator front end is provided with moisture absorption mechanism.

Preferably, inside one side of PLC module box is fixed respectively and is provided with PLC module and 4G module, and the PLC module is located one side of 4G module, one side of PLC module and 4G module is fixed respectively and is provided with recording module and storage module, and the recording module is located one side of storage module.

Preferably, the output of recording module and the input electric connection of PLC module, 4G module and storage module respectively with PLC module electric connection, temperature sensor's output and the input electric connection of PLC module, the output of PLC module and electric telescopic handle's input electric connection, go up pressure sensor and lower pressure sensor respectively with PLC module electric connection.

Preferably, the upper end of pressing down the structure is provided with spacing limit, the lower extreme of pressing down the structure is provided with the compression dish, and just spacing limit is a body structure with the compression dish, the inside equidistance of compression dish is provided with three sets of counter-flow tanks, and every set of counter-flow tank comprises the counter-flow tank that the annular set up, the outside cover on spacing limit is equipped with the sealing strip.

Preferably, the outside of backward flow groove is provided with the electric telescopic handle connecting seat, the electric telescopic handle connecting seat is provided with four, and four electric telescopic handle connecting seats set up about the central ring of pressing the structure, electric telescopic handle passes through electric telescopic handle connecting seat fixed connection with pressing the structure, the intermediate position department of pressing the structure has seted up the check valve groove, the inside of check valve groove is provided with the check valve.

Preferably, the upper end of preventing weighing down the structure is provided with and draws the material limit, and draws the material limit to keeping away from the slope of oil tank direction, it has six threading grooves to set up at both ends symmetry equidistance around the structure to prevent weighing down, bunch structure is located the threading groove and is close to the top of preventing weighing down structure center one end.

Preferably, the inside of bunch structure is provided with the bunch groove, and the bunch groove link up with the threading groove mutually, the bunch structure is the circular arc post, one side dislocation that the bunch structure is close to the threading groove is provided with the stopper, prevent weighing down the outside of structure lower extreme and be provided with the limit of keeping off the rain, and the limit of keeping off the rain is the bellied arcuation board that makes progress, prevent weighing down four corners of structure lower extreme and be provided with and prevent weighing down the structure supporting legs.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, the electric telescopic rod is arranged to drive the pressing structure to slowly press downwards, oil below the pressing structure can be compressed, a small amount of oil can slowly flow into the upper part of the pressing structure, so that slow pressure relief is realized, the lower pressure sensor monitors the change of oil pressure and sends the change to the PLC module, the upper pressure sensor simultaneously monitors the pressure above the pressing structure and sends the pressure to the PLC module, the PLC module compares the change of pressure with the change of pressure when the pressure sensor is well sealed, when the pressure change is abnormal, the transformer leaks, and the PLC module can inform a worker through the 4G module, so that the oil leakage condition of the transformer is remotely checked, and the problem that the oil leakage condition of each transformer is difficult to check when the worker works, so that the oil leakage condition cannot be found timely is solved.

2. The recording module is arranged to record the sound emitted by the transformer, the sound of the normally running transformer is uniform, deep and continuous in quality, and if the transformer emits intermittent, sharp and high-decibel sound, the failure of an internal component of the transformer is indicated. The transformer load is too big, transformer inside or surperficial electric leakage, transformer sound anomaly can all be caused to iron core bolt and clamping piece looseness, if the transformer sends the sound that is similar to the water boiling, then can judge transformer winding short circuit fault, send sharp sound when the transformer, it has not hard up to explain transformer core bolt and clamping piece, transformer sound is mixed with continuous crackle and then is that transformer surface or internal insulator are impaired to cause, the sound wave transmission that the recording module will gather gives the PLC module, accessible 4G module infories the staff and give the staff with unusual sound when the PLC module detects out the sound wave anomaly, the staff of being convenient for carries out preliminary judgement to the fault type, convenient more pertinent carrying maintenance is established, the long-range monitoring and the judgement to transformer fault through sound of staff has been realized.

3. The anti-falling structure is arranged to receive falling objects, so that the transformer is protected from being damaged by smashing, the wire harness structure is arranged to be capable of bundling wires, winding and bending of wires are reduced, the problems that when workers overhaul and carelessly fall down objects and tools smash sleeves, flashover grounding is caused if the objects are light, and short circuit is caused if the tools are broken are solved, and meanwhile the problems that due to the fact that space problems and process crimping are not good, the transformer is directly wound by a lead, so that contact resistance on a low-voltage side is too large, heating and sparking are caused when a large load runs, and a conducting rod is burnt out are solved.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a schematic structural view of the present invention;

FIG. 3 is a perspective view of a pressing structure according to the present invention;

FIG. 4 is a schematic structural diagram of a PLC module box according to the present invention;

FIG. 5 is a schematic diagram of the principles of the present invention;

fig. 6 is a perspective view of the falling prevention structure and the harness structure of the present invention.

In the figure: 1. an oil tank; 2. a heat sink; 3. an oil conservator; 4. a high voltage bushing; 5. a PLC module box; 6. an electric telescopic rod box; 7. a low-pressure bushing; 8. an iron core; 9. a winding; 10. a pressing structure; 11. an electric telescopic rod; 12. a moisture absorption mechanism; 13. an upper pressure sensor; 14. a down force sensor; 15. a limiting edge; 16. a compact disc; 17. a reflux tank; 18. a one-way valve spool; 19. a sealing strip; 20. a PLC module; 21. a 4G module; 22. a recording module; 23. a storage module; 24. the electric telescopic rod connecting seat; 25. a temperature sensor; 26. an anti-fall structure; 27. a wire harness structure; 28. guiding the material; 29. a threading slot; 30. a rain shielding edge; 31. the anti-falling structure supports the feet; 32. a wiring trough; 33. and a limiting block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-6, an embodiment of the present invention is shown: the utility model provides a phase-shifting rectifier transformer, including oil tank 1, the fixed conservator 3 that is provided with in one side of 1 top of oil tank, one side of conservator 3 is provided with high-tension bushing 4 and low-voltage bushing 7 respectively, and high-tension bushing 4 is located one side of low-voltage bushing 7, conservator 3, high-tension bushing 4, PLC module box 5 and low-voltage bushing 7's top is provided with prevents weighing down structure 26, the top rectangle that prevents weighing down structure 26 is provided with bunch structure 27, four corners of 1 upper end of oil tank all are provided with electric telescopic handle box 6, electric telescopic handle box 6's inside is provided with electric telescopic handle 11, the inside upper end of oil tank 1 is provided with presses down structure 10, the front end of oil tank 1 is provided with temperature sensor 25, the left and right sides symmetry of oil tank 1 is provided with pressure sensor 13, bilateral symmetry is provided with down pressure sensor 14 around the oil tank 1.

Further, an iron core 8 is arranged inside the oil tank 1, a winding 9 is arranged outside the iron core 8, the pressing structure 10 is located above the iron core 8 and the winding 9, the heat radiators 2 are arranged on the periphery of the oil tank 1, and the moisture absorption mechanism 12 is arranged below the front end of the oil conservator 3.

Further, inside one side of PLC module box 5 is fixed respectively and is provided with PLC module 20 and 4G module 21, and PLC module 20 is located one side of 4G module 21, and one side of PLC module 20 and 4G module 21 is fixed respectively and is provided with recording module 22 and storage module 23, and recording module 22 is located one side of storage module 23.

Further, the output end of the recording module 22 is electrically connected with the input end of the PLC module 20, the 4G module 21 and the storage module 23 are electrically connected with the PLC module 20 respectively, the output end of the temperature sensor 25 is electrically connected with the input end of the PLC module 20, the output end of the PLC module 20 is electrically connected with the input end of the electric telescopic rod 11, and the upper pressure sensor 13 and the lower pressure sensor 14 are electrically connected with the PLC module 20 respectively.

Further, the upper end of pressing structure 10 is provided with spacing limit 15, and the lower extreme of pressing structure 10 is provided with compression dish 16, and just spacing limit 15 is a body structure with compression dish 16, and the inside equidistance of compression dish 16 is provided with three sets of return chutes 17, and every set of return chute 17 comprises the return chute 17 that the annular set up, and the outside cover of spacing limit 15 is equipped with sealing strip 19.

Further, the outside of backward flow groove 17 is provided with electric telescopic handle connecting seat 24, and electric telescopic handle connecting seat 24 is provided with four, and four electric telescopic handle connecting seats 24 set up about the central annular of pressing structure 10, and electric telescopic handle 11 passes through electric telescopic handle connecting seat 24 fixed connection with pressing structure 10, presses the intermediate position department of structure 10 and has seted up check valve groove 18, and the inside of check valve groove 18 is provided with the check valve.

Furthermore, the upper end of the anti-falling structure 26 is provided with a material guiding edge 28, the material guiding edge 28 inclines towards the direction far away from the oil tank 1, the front end and the rear end of the anti-falling structure 26 are symmetrically and equidistantly provided with six threading grooves 29, and the wire harness structure 27 is positioned above one end of each threading groove 29 close to the center of the anti-falling structure 26.

Further, the inside of the wire bunching structure 27 is provided with a wire bunching groove 32, the wire bunching groove 32 is communicated with the threading groove 29, the wire bunching structure 27 is an arc column, one side of the wire bunching structure 27 close to the threading groove 29 is provided with a limiting block 33 in a staggered manner, the outer side of the lower end of the anti-falling structure 26 is provided with a rain shielding edge 30, the rain shielding edge 30 is an upward convex arc plate, and four corners of the lower end of the anti-falling structure 26 are provided with anti-falling structure supporting legs 31.

The working principle is as follows: when the transformer is used, the temperature sensor 25 monitors the temperature of the transformer and sends the temperature to the PLC module 20, the PLC module 20 judges the temperature and informs a worker through the 4G module 21 when the temperature does not accord with the operating temperature, meanwhile, the recording module 22 collects the operating sound of the transformer and sends the operating sound to the PLC module 20, when the PLC module 20 detects the abnormal sound wave, the worker is informed through the 4G module 21 and sends the abnormal sound to the worker, the worker can preliminarily judge the fault type, the transformer can be conveniently carried and maintained more pertinently, the monitoring and judgment of the transformer fault through the sound remotely by the worker are realized, the worker can regularly detect the oil leakage condition, the PLC module 20 controls the electric telescopic rod 11 to extend to slowly press the oil below the pressing structure 10 downwards, and the oil can be compressed, a small amount of oil can pass through the backflow groove 17 and slowly flow into the position above the pressing structure 10, slow pressure relief is achieved, the change of oil pressure is monitored by the lower pressure sensor 14 and sent to the PLC module 10, the pressure above the pressing structure 10 is monitored by the upper pressure sensor 13 and sent to the PLC module 20, the change of pressure is compared with the change of pressure when the pressure sensor is well sealed, leakage of the transformer is indicated when the pressure change is abnormal, the PLC module can notify a worker through the 4G module, remote detection of the oil leakage condition of the transformer is achieved, falling objects can be contained through the anti-falling structure 26, the transformer is protected from being injured by smashing, a bunch can be bundled through the bunch structure 27, winding and bending of wires are reduced, overlarge electric shock resistance of the low-voltage side caused by the phenomenon of electric shock and heating during the operation of a large load, And (4) striking fire to burn out the conducting rod.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.