CN214541884U - Transformer capable of automatically performing power-off protection - Google Patents

Abstract

The utility model discloses a can power-off protection's by oneself transformer relates to transformer technical field, relies on the heat dissipation to realize the self-protection for solving current transformer, leads to the not high enough problem of security. The utility model discloses a temperature measurement sensor, including quick-witted case, fixed subassembly, transformer main part, terminal box, control module, electromagnet, reset spring, connection piece, first contact, second contact, temperature measurement sensor are provided with the instrument, and the instrument are installed to the instrument.

Description

Transformer capable of automatically performing power-off protection

Technical Field

The utility model relates to a transformer technical field specifically is a can be by oneself power-off protection's transformer.

Background

A transformer is a device that changes an alternating voltage by using the principle of electromagnetic induction. Through the use of the transformer, the loss of electric energy can be effectively reduced, the transformer is more energy-saving and environment-friendly, the utilization rate of energy can be improved, the national conditions of sustainable development are met, and the transformer is widely applied to various industries.

However, the existing transformer realizes self-protection by heat dissipation, so that the safety is not high enough, and the transformer is easy to damage when the internal temperature is too high, so that the existing requirement is not met, and the transformer capable of realizing self-power-off protection is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can power-off protection's transformer by oneself to current transformer that proposes in solving above-mentioned background art relies on the heat dissipation to realize the self-protection, leads to the not high enough problem of security.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a transformer that can power-off protection by oneself, includes quick-witted case and case lid, the internally mounted of machine case has fixed subassembly, the vary voltage main part is installed to fixed subassembly's inboard, the terminal box is installed at the top of fixed subassembly, the internally mounted of terminal box has control module, the last electro-magnet of installing of control module, the internally mounted of electro-magnet has the iron bar, the bottom of iron bar is provided with reset spring, the upper end of iron bar is provided with the connection piece, the below that iron bar one end was kept away from to the connection piece is provided with first contact, the below of first contact is provided with the second contact, temperature sensor is installed to the inner wall of machine case.

Preferably, the outside of iron bar upper end is provided with the connecting rod, the bracing piece is installed to one side of electro-magnet, the one end suit of iron bar is kept away from to the connecting rod is in the outside of bracing piece to with connecting rod sliding connection.

Preferably, the fixing assembly comprises a fixing frame, a top cover, a bearing plate, a damping spring and a fixing plate.

Preferably, the top cap sets up in the outside of fixed frame upper end to pass through the screw connection with fixed frame, accept the board and set up in the inboard of fixed frame, damping spring sets up in the bottom of accepting the board, and damping spring is provided with a plurality of, damping spring's both ends respectively with accept board and fixed frame fixed connection, the fixed plate sets up in the both sides of fixed frame.

Preferably, the wire bundling grooves are formed in the two ends of the top cover, and the wire bundling grooves are formed in a plurality of numbers.

Preferably, both sides of the case are provided with grooves, the inside of each groove is provided with a plurality of radiating fins, the radiating fins are arranged in sequence, the top end of the case is provided with a connecting top plate, and the connecting top plate is connected with the case cover through bolts.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a terminal box internally mounted's electro-magnet, the iron bar, the connection piece, first contact, the second contact, the connecting rod, bracing piece and control module constitute outage mechanism, the temperature sensor real-time supervision quick-witted incasement portion temperature through quick-witted incasement wall installation, when the high temperature, control module makes the electro-magnet outage, magnetic force disappears, the iron bar is under reset spring's effect, to the outside removal of electro-magnet, and take first contact to keep away from the second contact, realize the disconnection of circuit, accomplish the outage protection by oneself, improve this transformer safety in utilization.

2. The utility model discloses an inboard setting of fixed frame is accepted the board, and the bottom of accepting the board is fixed with a plurality of damping spring, and on the vary voltage main part was fixed in and is accepted the board, through utilizing the good elasticity of damping spring and the ability of recovering to warp, can play good shock attenuation, buffering effect.

3. The utility model discloses a both ends of top cap all set up a plurality of bunch grooves, can arrange in order the connecting wire between vary voltage main part and the terminal box through bunch groove, can avoid the wiring mixed and disorderly from this, lead to the condition of the inconvenient maintenance in later stage.

Drawings

Fig. 1 is an exploded view of a transformer with self-powered-off protection according to the present invention;

fig. 2 is a schematic view of the internal structure of the junction box of the present invention;

FIG. 3 is a schematic structural view of an iron rod of the present invention;

fig. 4 is a schematic structural diagram of the fixing assembly of the present invention.

In the figure: 1. a chassis; 11. a groove; 12. a heat dissipating fin; 13. connecting the top plate; 2. a fixing assembly; 21. a fixing frame; 22. a top cover; 221. a wiring trough; 23. a bearing plate; 24. a damping spring; 25. a fixing plate; 3. transforming the main body; 4. a junction box; 41. a control module; 42. an electromagnet; 43. an iron rod; 431. a return spring; 44. connecting sheets; 45. a first contact; 46. a second contact; 47. a connecting rod; 48. a support bar; 5. a box cover; 6. and a temperature measuring sensor.

Detailed Description

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

Referring to fig. 1-4, the present invention provides an embodiment: a transformer capable of automatically performing power-off protection comprises a case 1 and a case cover 5, wherein a fixed component 2 is installed inside the case 1, a transformation main body 3 is installed on the inner side of the fixed component 2, a junction box 4 is installed at the top of the fixed component 2, a control module 41 is installed inside the junction box 4, an electromagnet 42 is installed on the control module 41, an iron rod 43 is installed inside the electromagnet 42, a reset spring 431 is arranged at the bottom of the iron rod 43, a connecting sheet 44 is arranged at the upper end of the iron rod 43, a first contact 45 is arranged below the connecting sheet 44 and the end, far away from the iron rod 43, of the connecting sheet 44, a second contact 46 is arranged below the first contact 45, a temperature measurement sensor 6 is installed on the inner wall of the case 1, the temperature measurement sensor 6, the electromagnet 42 and the second contact 46 are electrically connected with the control module 41, a connecting rod 47 is arranged outside the upper end of the iron rod 43, and a support rod 48 is installed on one side of the electromagnet 42, one end suit of iron bar 43 is kept away from to connecting rod 47 in the outside of bracing piece 48 to with connecting rod 47 sliding connection, through connecting rod 47 and 48's setting, when making things convenient for iron bar 43 to remove, guarantee the stability that iron bar 43 removed, avoid removing the head, connecting rod 47 and bracing piece 48 adopt insulating material, avoid electrically conducting, and bracing piece 48 passes through bolted connection with control module 41.

Further, the fixing assembly 2 includes a fixing frame 21, a top cover 22, a receiving plate 23, a damping spring 24 and a fixing plate 25, the top cover 22 is disposed outside the upper end of the fixing frame 21 and connected with the fixing frame 21 by screws, the assembly and disassembly are convenient, the maintenance is facilitated, the installation cost is low, the receiving plate 23 is disposed inside the fixing frame 21, the transformation main body 3 is connected with the receiving plate 23 by bolts, the junction box 4 is connected with the top cover 22 by screws, the damping spring 24 is disposed at the bottom of the receiving plate 23, the good damping and buffering effects can be achieved by utilizing the good elasticity and the recovery deformation capability of the damping spring 24, the damping spring 24 is provided with a plurality of damping springs to ensure the stability of the support, the two ends of the damping spring 24 are fixedly connected with the receiving plate 23 and the fixing frame 21 respectively, the fixing plate 25 is disposed at the two sides of the fixing frame 21, the two ends of the top cover 22 are both provided with wiring slots 221, and bunch groove 221 has seted up a plurality of, can arrange the connecting wire between vary voltage main part 3 and terminal box 4 in order through bunch groove 221, can avoid the wiring mixed and disorderly from this, lead to the inconvenient maintenance's in later stage the condition, the usable material of the reducible top cap 22 of on the other hand lightens weight, and the lower extreme of fixed plate 25 is provided with the fixed orifices, realizes fixing subassembly 2 and quick-witted case 1's fixed through the fixed orifices.

Further, both sides of the case 1 are provided with grooves 11, heat dissipation fins 12 are arranged inside the grooves 11, the heat dissipation fins 12 are connected with the case 1 in a welded mode, air tightness and water tightness of the welded connection are good, structural rigidity is also large, structural integrity is good, labor and time are saved, the sectional area of materials is not reduced, the materials are fully utilized, the heat dissipation fins 12 are provided with a plurality of heat dissipation fins 12, the heat dissipation fins 12 are sequentially arranged, the heat dissipation area is effectively increased through the heat dissipation fins 12, heat dissipation efficiency is effectively improved, a connection top plate 13 is arranged at the top end of the case 1, the connection top plate 13 is connected with the case cover 5 through bolts, the case cover 5 is attached to the connection top plate 13, the connection mode is simple, installation technology content is low, installation cost is low, and connection is reliable.

The working principle is as follows: when the electromagnetic switch is used, the electromagnet 42 is electrified to generate magnetic force, the adsorption iron rod 43 moves towards the inside of the electromagnet 42, the reset spring 431 is stressed and compressed, meanwhile, the iron rod 43 drives the connecting sheet 44 and the connecting rod 47 to move together, the other end of the connecting rod 47 slides outside the supporting rod 48, the other end of the connecting sheet 44 drives the first contact 45 to descend, the first contact 45 is attached to the second contact 46, a circuit is communicated, and the transformer works. The transformer during operation, inside can produce a large amount of heats, the inside temperature of temperature measurement sensor 6 real-time supervision machine case 1, and with monitoring information transmission to the control module 41 of terminal box 4, control module 41 is injectd the temperature, when monitoring high temperature, control module 41 makes electro-magnet 42 cut off the power supply, magnetic force disappears, iron bar 43 resumes the normal position under the ability effect that reset spring 431 resumes the deformation, remove to electro-magnet 42 outside, and take first contact 45 to keep away from second contact 46, realize the disconnection of circuit, accomplish the protection of cutting off the power supply by oneself. The damping springs 24 fixed at the bottom of the bearing plate 23 can play a good role in damping and buffering, and can improve the protection capability. The connecting wires between the transformation main body 3 and the junction box 4 can be arranged by the plurality of wiring slots 221 arranged at the two ends of the top cover 22, so that the situation that the wiring is disordered and the later-period inconvenient maintenance is caused can be avoided.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. 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.

Claims (6)

1. The utility model provides a transformer that can protect by oneself power-off, includes quick-witted case (1) and case lid (5), its characterized in that: the utility model discloses a transformer, including machine case (1), internal mounting of machine case (1) has fixed subassembly (2), vary voltage main part (3) are installed to the inboard of fixed subassembly (2), terminal box (4) are installed at the top of fixed subassembly (2), the internal mounting of terminal box (4) has control module (41), install electro-magnet (42) on control module (41), the internally mounted of electro-magnet (42) has iron bar (43), the bottom of iron bar (43) is provided with reset spring (431), the upper end of iron bar (43) is provided with connection piece (44), the below that iron bar (43) one end was kept away from in connection piece (44) is provided with first contact (45), the below of first contact (45) is provided with second contact (46), temperature measurement sensor (6) are installed to the inner wall of machine case (1).

2. The transformer capable of self-power-off protection according to claim 1, wherein: the iron bar fixing device is characterized in that a connecting rod (47) is arranged outside the upper end of the iron bar (43), a supporting rod (48) is installed on one side of the electromagnet (42), and one end, far away from the iron bar (43), of the connecting rod (47) is sleeved outside the supporting rod (48) and is in sliding connection with the connecting rod (47).

3. The transformer capable of self-power-off protection according to claim 1, wherein: the fixing component (2) comprises a fixing frame (21), a top cover (22), a bearing plate (23), a damping spring (24) and a fixing plate (25).

4. A self-powerdown-protected transformer according to claim 3, wherein: top cap (22) set up in the outside of fixed frame (21) upper end to pass through screw connection with fixed frame (21), accept board (23) and set up in the inboard of fixed frame (21), damping spring (24) set up in the bottom of accepting board (23), and damping spring (24) are provided with a plurality of, damping spring (24) both ends respectively with accept board (23) and fixed frame (21) fixed connection, fixed plate (25) set up in the both sides of fixed frame (21).

5. A self-powerdown-protected transformer according to claim 3, wherein: both ends of the top cover (22) are provided with wiring slots (221), and the wiring slots (221) are provided with a plurality of wiring slots.

6. The transformer capable of self-power-off protection according to claim 1, wherein: the novel cabinet is characterized in that grooves (11) are formed in the two sides of the cabinet (1), heat radiating fins (12) are arranged inside the grooves (11), the heat radiating fins (12) are arranged in sequence, a connecting top plate (13) is arranged on the top end of the cabinet (1), and the connecting top plate (13) is connected with the cabinet cover (5) through bolts.

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