An anti-theft transformer with heat dissipation function

Abstract

The present invention relates to the technical field of transformers, and in particular to an anti-theft transformer with a heat dissipation function, comprising a transformer body, an anti-theft shell placed at the bottom of the transformer body, a driving motor installed on the inner bottom surface of the anti-theft shell by screws, a movable end fixing sleeve of the driving motor is provided with a driving gear arranged coaxially, and two first ball screws are arranged on one side of the gear. The present invention drives two first ball screws to rotate by a driving motor, and the two first ball screws drive four second ball screws to rotate by helical gears. When the two first ball screws and the four second ball screws are working, it is convenient to drive two first limit plates and two second limit plates to be clamped on the surfaces of two fixed brackets, thereby improving the stability of the anti-theft shell installed at the bottom of the transformer, and is used to protect the connecting end between the transformer and the fixed bracket, and is used to improve the anti-theft performance of the transformer.

Description

[0001] This application is a divisional application with application number 2022106953640, application date June 20, 2022, and invention name “A remote anti-theft transformer with air-cooling and heat dissipation function”. Technical Field

[0002] The invention relates to the technical field of transformers, and in particular to an anti-theft transformer with a heat dissipation function. Background Art

[0003] When installing outdoor transformers, bolts and nuts are usually used to install them on fixed brackets. Since the bolts and nuts are exposed to the outside world, thieves can easily remove the nuts from the bolts and steal and sell the transformers, which will affect the normal operation of the entire circuit and directly affect the living standards of people on the road.

[0004] Moreover, the existing outdoor transformer uses its own heat sink for heat dissipation, which reduces the heat dissipation efficiency, is not conducive to the rapid discharge of heat in the transformer, and reduces the heat dissipation efficiency. Summary of the invention

[0005] The purpose of the present invention is to solve the shortcomings of the prior art and to propose an anti-theft transformer with heat dissipation function.

[0006] To achieve the above purpose, the technical solution adopted by the present invention is: an anti-theft transformer with heat dissipation function, including a transformer body, an anti-theft shell is placed at the bottom of the transformer body, a driving motor is installed on the inner bottom surface of the anti-theft shell by screws, the movable end fixing sleeve of the driving motor is provided with a driving gear arranged coaxially, one side of the gear is provided with two first ball screws, the thread rotation directions of the two first ball screws are opposite, the surfaces of the two first ball screws are provided with a plurality of first bearings, one end of the two first ball screws are welded and fixed, the surface fixing sleeve of one of the first ball screws is provided with a driven gear, the driven gear is meshed with the driving gear, a locking mechanism is provided on one side of the driven gear, one side of the two first ball screws are provided with a support, the tops of the two supports are provided with symmetrically arranged second bearing seats by screws, and the two The inner ring of the second bearing seat is tightly fitted with a second ball screw, and the thread rotation directions of the two second ball screws are opposite, and one end of the two second ball screws is welded and fixed between them, and a second limit plate is provided above the two second ball screws, and one end of the second ball screw and one end of the first ball screw are installed with a coaxial helical gear through a screw, and the two helical gears are meshed, and a second connecting rod is provided above the movable end of the two second ball screws, and the two ends of the second connecting rod are respectively installed at the movable end of the two second ball screws and the bottom of the second limit plate through hinges, and a first limit plate is provided above the two second limit plates, and the two first limit plates and the two first ball screws are connected by a transmission mechanism, and a cooling fan is installed through the bottom of the anti-theft shell, and a remote control mechanism is provided on the bottom inner surface of the bottom of the anti-theft shell.

[0007] Preferably, the transmission mechanism includes a support plate, the top of the support plate is mounted on the bottom of the first limit plate by screws, the side of the support plate is mounted with a first connecting rod by screws, and one end of the first connecting rod is mounted on the movable end of the first ball screw by screws.

[0008] Preferably, a sliding groove is provided at the bottom of the support plate, and a long guide block is mounted on the inner bottom surface of the anti-theft housing by means of screws, and the long guide block is inserted into the sliding groove.

[0009] Preferably, the locking mechanism includes a fixed plate and a metal block, one end of the fixed plate is installed on the inner bottom surface of the anti-theft shell by screws, a movable rod is installed through the side of the fixed plate, one end of the movable rod is installed with a movable plate by screws, a plurality of tooth blocks are installed on the side of the movable plate by screws, and the plurality of tooth blocks are respectively inserted into a plurality of tooth grooves of the driven gear, an electromagnet is installed on one end of the movable rod by screws, the metal block is installed on the inner side of the anti-theft shell by screws, the metal block and the electromagnet correspond in position, a pressure spring is provided on the surface of the movable rod, and the two ends of the pressure spring are respectively installed on the sides of the movable plate and the fixed plate by screws.

[0010] Preferably, two symmetrical sides of the anti-theft housing are each provided with a plurality of installation openings, and the installation openings are rectangular.

[0011] Preferably, a plurality of heat dissipation holes are provided on the surface of the anti-theft housing, and the heat dissipation holes are in the shape of long strips.

[0012] Preferably, the remote control mechanism is a PLC controller, a wireless module is provided on a circuit board of the PLC controller, and the remote control mechanism is respectively connected to the electromagnet, the drive motor and the cooling fan through wires.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] The present invention drives two first ball screws to rotate through a driving motor, and the two first ball screws drive four second ball screws to rotate through bevel gears. When the two first ball screws and the four second ball screws are working, it is convenient to drive the two first limit plates and the two second limit plates to be clamped on the surfaces of the two fixed brackets, thereby improving the stability of the anti-theft housing installed at the bottom of the transformer, and protecting the connection end between the transformer and the fixed bracket, so as to improve the anti-theft performance of the transformer;

[0015] The present invention arranges a heat dissipation fan at the bottom of the anti-theft housing and exchanges gas inside and outside the anti-theft housing to quickly discharge the heat emitted by the transformer, thereby improving the heat dissipation efficiency of the transformer. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is an axonometric diagram of an anti-theft transformer with heat dissipation function of the present invention;

[0017] Figure 2 It is a schematic diagram of the connection structure of the anti-theft housing and the fixed bracket of an anti-theft transformer with heat dissipation function of the present invention;

[0018] Figure 3 It is a schematic diagram of the internal structure of an anti-theft housing of an anti-theft transformer with heat dissipation function according to the present invention;

[0019] Figure 4 It is a schematic diagram of the connection structure of a support, a first limiting plate and a second limiting plate of an anti-theft transformer with heat dissipation function according to the present invention;

[0020] Figure 5 It is a schematic diagram of the connection structure of a driving motor, a driving gear, a driven gear and a locking mechanism of an anti-theft transformer with heat dissipation function of the present invention;

[0021] Figure 6 The present invention is a schematic diagram of the connection structure between a first ball screw and a support plate of an anti-theft transformer with heat dissipation function.

[0022] In the figure: a transformer body (1), a heat dissipation hole (2), a mounting opening (3), an anti-theft housing (4), a connecting seat (5), a first limiting plate (6), a first connecting rod (7), a long guide block (8), a support plate (9), a cooling fan (10), a first ball screw (11), a drive motor (12), a driving gear (13), a metal block (14), a first bearing (15), a sliding groove (16), a second limiting plate (17), a bevel gear (18), a second bearing seat (19), a second connecting rod (20), a second ball screw (21), a movable plate (22), a pressure spring (23), an electromagnet (24), a fixed plate (25), a movable rod (26), a tooth block (27), a driven gear (28), a fixed bracket (29), and a support (30). DETAILED DESCRIPTION

[0023] The following description is used to disclose the present invention so that those skilled in the art can implement the present invention. The preferred embodiments described below are only examples, and those skilled in the art may think of other obvious variations.

[0024] like Figure 1-6The anti-theft transformer with heat dissipation function shown in the figure comprises a transformer body 1, an anti-theft housing 4 is placed at the bottom of the transformer body 1, a driving motor 12 is installed on the inner bottom surface of the anti-theft housing 4 by screws, a driving gear 13 arranged coaxially is fixedly sleeved on the movable end of the driving motor 12, two first ball screws 11 are arranged on one side of the gear 13, the threads of the two first ball screws 11 are rotated in opposite directions, a plurality of first bearings 15 are sleeved on the surfaces of the two first ball screws 11, one end of the two first ball screws 11 is welded and fixed, a driven gear 28 is fixedly sleeved on the surface of one of the first ball screws 11, and the driven gear 28 is fixedly sleeved on the surface of the driven gear 28. The gear 28 is meshed with the driving gear 13. A support 30 is provided on one side of the two first ball screws 11. The tops of the two supports 30 are both installed with symmetrically arranged second bearing seats 19 by screws. The inner rings of the two second bearing seats 19 are tightly fitted with second ball screws 21. The threads of the two second ball screws 21 are in opposite directions. One end of the two second ball screws 21 is welded and fixed. A second limit plate 17 is provided above the two second ball screws 21. One end of one of the second ball screws 21 and one end of the first ball screw 11 are both installed with a coaxially arranged helical gear 18 by screws. The two helical gears 18 are meshed. A second connecting rod 20 is provided above the movable ends of the two second ball screws 21, and both ends of the two second connecting rods 20 are respectively installed on the movable ends of the two second ball screws 21 and the bottom of the second limit plate 17 through hinges. A first limit plate 6 is provided above the two second limit plates 17. The two first limit plates 6 and the two first ball screws 11 are connected through a transmission mechanism. The transmission mechanism includes a support plate 9. The top of the support plate 9 is installed on the bottom of the first limit plate 6 by screws. The side of the support plate 9 is installed with a first connecting rod 7 by screws. One end of the first connecting rod 7 is installed on the movable end of the first ball screw 11 by screws The bottom of the support plate 9 is provided with a sliding groove 16, and the inner bottom surface of the anti-theft housing 4 is installed with a long guide block 8 by screws, and the long guide block 8 is inserted into the sliding groove 16. When the two first ball screws 11 rotate, the movable ends of the two first ball screws 11 drive the two first connecting rods 7 to move in the opposite direction, so that the two first connecting rods 7 are close to or separated from each other, and the two first connecting rods 7 drive the two support plates 9 to slide on the surfaces of the two long guide blocks 8, which is used to improve the stability of the two support plates 9 during the movement, and the two support plates 9 drive the two first limit plates 6 to move to the top of the fixed bracket 29;When the two first ball screws 11 rotate, the four second ball screws 21 are driven to rotate through the bevel gear 18. The two second ball screws 21 connected to each other move in opposite directions between their movable ends during rotation, so that the movable ends of the two second ball screws 21 drive the two first connecting rods 7 through two hinges to adjust the inclination angle of the first connecting rod 7. The adjustment of the inclination angle of the first connecting rod 7 is combined with the adjustment of the height of the second limiting plate 17, so as to facilitate the second limiting plate 17 to be pressed on the bottom of the fixed bracket 29; when the second limiting plate 17 and the first limiting plate 6 cooperate, the anti-theft housing 4 is used to protect the connection end between the transformer and the fixed bracket 29. ;

[0025] A locking mechanism is provided on one side of the driven gear 28, and the locking mechanism includes a fixed plate 25 and a metal block 14. One end of the fixed plate 25 is installed on the inner bottom surface of the anti-theft housing 4 by screws. A movable rod 26 is installed on the side of the fixed plate 25. A movable plate 22 is installed on one end of the movable rod 26 by screws. A plurality of tooth blocks 27 are installed on the side of the movable plate 22 by screws. The plurality of tooth blocks 27 are respectively inserted into a plurality of tooth grooves of the driven gear 28. An electromagnet 24 is installed on one end of the movable rod 26 by screws. The metal block 14 is installed on the inner side of the anti-theft housing 4 by screws. The metal block 14 and the electromagnet 24 correspond in position. A pressure spring 23 is provided on the surface of the movable rod 26. The two ends of the pressure spring 23 are respectively installed on the sides of the movable plate 22 and the fixed plate 25 by screws. When the second limiting plate 17 and the first limiting plate 6 are moved, the electromagnet 24 can be energized to work. The electromagnet 24 is energized After that, magnetic force is generated, and the electromagnet 24 attracts the metal block 14. Since the position of the metal block 14 is fixed, the electromagnet 24 moves toward the metal block 14, and the electromagnet 24 drives the movable rod 26 to slide in the inner wall of the fixed plate 25, which is used to facilitate the movable rod 26 to drive the movable plate 22 to move, and the length of the pressure spring 23 gradually shrinks. After the movable plate 22 takes the tooth block 27 out of the driven gear 28, the driving motor 12 can be conveniently operated; after the second limit plate 17 and the first limit plate 6 are moved, the electromagnet 24 is powered on and off, and the powerless effect between the electromagnet 24 and the metal block 14 causes the pressure spring 23 to reset by its own force, which is convenient for the pressure spring 23 to push the movable plate 22 to move. After the movable plate 22 drives the tooth block 27 to move into the tooth groove of the driven gear 28, it is used to fix the position of the driven gear 28, further improving the stability of the position of the second limit plate 17 and the first limit plate 6.

[0026] A cooling fan 10 is installed through the bottom of the anti-theft housing 4, and a remote control mechanism is provided on the bottom surface of the bottom of the anti-theft housing 4. The remote control mechanism is a PLC controller, and a wireless module is provided on the circuit board of the PLC controller. The remote control mechanism is connected to the electromagnet 24, the drive motor 12 and the cooling fan 10 through wires. The remote control mechanism is connected to the remote terminal through the wireless module, and the remote terminal is operated by the staff. When the anti-theft housing 4 is fixed, the staff also needs to operate it through the remote terminal to fix it on the bottom of the transformer, so as to facilitate the anti-theft housing 4 to protect the connection end between the transformer and the fixed bracket 29.

[0027] The two symmetrical sides of the anti-theft housing 4 are provided with a plurality of installation openings 3, which are rectangular. The installation openings 3 are provided so that the anti-theft housing 4 can be sleeved on the fixing bracket 29 and contact the transformer, which facilitates the placement of the anti-theft housing 4.

[0028] The surface of the anti-theft housing 4 is provided with a plurality of heat dissipation holes 2 , which are in the shape of long strips, so as to facilitate the exchange of gas inside and outside the anti-theft housing 4 and the discharge of heat.

[0029] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions only describe the principles of the present invention. The present invention may be subject to various changes and improvements without departing from the spirit and scope of the present invention. These changes and improvements fall within the scope of the present invention. The scope of protection claimed by the present invention is defined by the attached claims and their equivalents.

Claims

1. An anti-theft transformer with heat dissipation function, comprising a transformer body (1), characterized in that: An anti-theft housing (4) is placed at the bottom of the transformer body (1), and a driving motor (12) is installed on the inner bottom surface of the anti-theft housing (4) by means of screws. A driving gear (13) arranged coaxially is fixedly sleeved on the movable end of the driving motor (12), and two first ball screws (11) are arranged on one side of the gear (13). The threads of the two first ball screws (11) are in opposite directions. A plurality of first bearings (15) are sleeved on the surfaces of the two first ball screws (11). One end of the two first ball screws (11) are welded and fixed, and a driven gear (28) is fixedly sleeved on the surface of one of the first ball screws (11). The driven gear (28) is meshed with the driving gear (13), and a locking mechanism is arranged on one side of the driven gear (28), and the locking mechanism comprises a fixing plate (25) and a metal block (14). One end of the fixed plate (25) is mounted on the inner bottom surface of the anti-theft housing (4) by means of screws, a movable rod (26) is installed through the side surface of the fixed plate (25), one end of the movable rod (26) is mounted with a movable plate (22) by means of screws, a plurality of tooth blocks (27) are mounted on the side surface of the movable plate (22) by means of screws, the plurality of tooth blocks (27) are respectively inserted into a plurality of tooth grooves of a driven gear (28), one end of the movable rod (26) is mounted with an electromagnet (24) by means of screws, the metal block (14) is mounted on the inner side surface of the anti-theft housing (4) by means of screws, the metal block (14) and the electromagnet (24) are positioned correspondingly, a pressure spring (23) is provided on the surface of the movable rod (26), and the two ends of the pressure spring (23) are respectively mounted on the sides of the movable plate (22) and the fixed plate (25) by means of screws,A support (30) is provided on one side of the two first ball screws (11), and a symmetrically arranged second bearing seat (19) is installed on the top of the two supports (30) by screws. The inner rings of the two second bearing seats (19) are tightly fitted with a second ball screw (21). The threads of the two second ball screws (21) are in opposite directions. One end of the two second ball screws (21) is welded and fixed. A second limit plate (17) is provided above the two second ball screws (21), and one end of one of the second ball screws (21) and one end of the first ball screw (11) are installed with a coaxially arranged helical gear (17) by screws. 8), the two bevel gears (18) are meshed, a second connecting rod (20) is provided above the movable ends of the two second ball screws (21), both ends of the two second connecting rods (20) are respectively installed at the movable ends of the two second ball screws (21) and the bottom of the second limit plate (17) through hinges, a first limit plate (6) is provided above the two second limit plates (17), the two first limit plates (6) and the two first ball screws (11) are connected through a transmission mechanism, a cooling fan (10) is installed through the bottom of the anti-theft housing (4), and a remote control mechanism is provided on the bottom inner surface of the bottom of the anti-theft housing (4);, The surface of the anti-theft housing (4) is provided with a plurality of heat dissipation holes (2), and the heat dissipation holes (2) are in the shape of long strips; the remote control mechanism is a PLC controller, and a wireless module is provided on a circuit board of the PLC controller; the remote control mechanism is respectively connected to the electromagnet (24), the drive motor (12) and the heat dissipation fan (10) via wires.

2. The anti-theft transformer with heat dissipation function according to claim 1, characterized in that: The transmission mechanism comprises a support plate (9), the top of the support plate (9) being mounted on the bottom of the first limit plate (6) by means of screws, a first connecting rod (7) being mounted on the side of the support plate (9) by means of screws, and one end of the first connecting rod (7) being mounted on the movable end of the first ball screw (11) by means of screws.

3. The anti-theft transformer with heat dissipation function according to claim 2, characterized in that: A sliding groove (16) is provided at the bottom of the support plate (9), and a long guide block (8) is installed on the inner bottom surface of the anti-theft housing (4) by means of screws, and the long guide block (8) is inserted into the interior of the sliding groove (16).

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