CN209343926U - A kind of combined transformer with self-checking function - Google Patents

Abstract

The utility model discloses a kind of combined transformers with self-checking function, including transformer-cabinet and connecting terminal, the inner surface of the transformer-cabinet is provided with flame retardant coating, and the bottom end inside transformer-cabinet is equipped with blower, and the connecting terminal is set to the right side of connection contact.This kind of transformer can play the role of protection to whole device by the transformer-cabinet installed, the electric elements inside device can be checked by the observation window of setting, the installation of temperature sensor can measure the temperature inside device, come that avoiding device internal temperature is excessively high with this and the setting of problem blower of short circuit occurs can provide power for the heat dissipation of device, and the work of transformer can be controlled by the power on/off of electromagnetic coil, it can be avoided the problem of continuing working under the device condition of high temperature with this, it cooperates between connecting terminal and connection contact, the problem of so as to avoid the occurrence of electric leakage.

Description

A kind of combined transformer with self-checking function

Technical field

The utility model relates to device for transformer technical field, specially a kind of combined type variable-pressure with self-checking function Device.

Background technique

Combined transformer is developed by related electric corporation, the U.S. first.In the U.S. base type transformer, English name For Padmountedtransformer, also referred to as American Unit Substation at home.Fusible link, the multistation looped network load of this transformer Switch, no-excitation voltage regulating tap switch are all used as the component of transformer in oil tank of transformer, are easily exchanged outside fuel tank Fusible link or operational load switch and change the operating condition of transformer.

Traditional combined transformer has that heat dissipation effect is bad, and traditional combined transformer is without self-test Ability, so just can not in a large amount of accumulated heats of transformer, to transformer carry out power-off protection, for this purpose, it is proposed that a kind of reality With the higher combined transformer of property.

Utility model content

The purpose of this utility model is to provide a kind of combined transformers with self-checking function, to solve above-mentioned background The traditional combined transformer proposed in technology has that heat dissipation effect is bad, and traditional combined transformer without The ability of self-test, so just can not in a large amount of accumulated heats of transformer, to transformer carry out power-off protection the problem of.

To achieve the above object, the utility model provides the following technical solutions: a kind of combined variable with self-checking function Depressor, including transformer-cabinet and connecting terminal, the inner surface of the transformer-cabinet are provided with flame retardant coating, and transformer tank The bottom end in internal portion is equipped with blower, is provided with heat dissipation channel on the inside of the flame retardant coating, and the upper end of heat dissipation channel with from Dynamic control cabinet is connected, and the inside of the automatic control box is equipped with temperature sensor, and is provided on the inside of temperature sensor Controller is provided with thermovent on the outside of the automatic control box, and the middle position of automatic control box is equipped with electromagnetic coil, It is provided with armature on the inside of the electromagnetic coil, and is provided with connecting spring on the right side of electromagnetic coil, the right side of the connecting spring Side is connected with pull rod, and connection contact is provided on the right side of pull rod, and the connecting terminal is set to the right side of connection contact.

Preferably, the transformer-cabinet include mounting seat, fixed frame, ventilation hole, tank wall, hinge, protection door-plate and Observation window, and fixed frame is provided with above mounting seat, the inside of the fixed frame, which is run through, ventilation hole, the mounting seat The left and right sides of upper surface is fixedly welded with tank wall, and the outside of tank wall is hinged by hinge and protection door-plate, described anti- The middle position of shield door-plate is inlaid with observation window.

Preferably, the inner wall of the flame retardant coating and transformer-cabinet fits closely, and transformer-cabinet is logical by heat dissipation It is connected between road and automatic control box and communicates.

Preferably, the temperature sensor is to be electrically connected, and control by the connection type between conducting wire and controller Device is to be electrically connected by the connection between conducting wire and electromagnetic coil and blower.

Preferably, the electromagnetic coil is to be attracted connection, and pull rod passes through by the connection type between armature and pull rod Elastic construction is constituted between connecting spring and electromagnetic coil.

Preferably, card and structure, and connecting terminal and connection contact are constituted between the connecting terminal and connection contact Contour structures match.

Compared with prior art, the utility model has the beneficial effects that

There is this kind the combined transformer of self-checking function can be played to whole device by the transformer-cabinet installed The effect of protection, and perforative ventilation hole can be convenient for the integral heat sink of device inside fixed frame, while pass through setting Observation window can check the electric elements inside device；

The setting of flame retardant coating can play fire-resisting protection to device, avoid the occurrence of fire, the setting of heat dissipation channel can The problem of facilitating the heat generated inside device to shed, avoid the occurrence of accumulated heat；The installation of temperature sensor can be to device inside Temperature measure, with this come avoiding device internal temperature it is excessively high and occur short circuit problem；

The setting of blower can provide power for the heat dissipation of device, and can be to transformation by the power on/off of electromagnetic coil The work of device is controlled, and can be avoided the problem of continuing working under the device condition of high temperature with this, connecting terminal with connect contact Between cooperate, the problem of so as to avoid the occurrence of electric leakage, substantially increase the combined variable that this kind has self-checking function The practicability of depressor.

Detailed description of the invention

FIG. 1 is a schematic structural view of the utility model；

Fig. 2 is partial enlargement structural representation at A in the utility model Fig. 1；

Fig. 3 is utility model works flow diagram.

In figure: 1, transformer-cabinet；101, mounting seat；102, fixed frame；103, ventilation hole；104, tank wall；105, it cuts with scissors Chain；106, door-plate is protected；107, observation window；2, flame retardant coating；3, blower；4, heat dissipation channel；5, automatic control box；6, temperature passes Sensor；7, controller；8, thermovent；9, electromagnetic coil；10, armature；11, connecting spring；12, pull rod；13, connecting terminal；14, Connect contact.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-3 is please referred to, the utility model provides a kind of technical solution: a kind of combined type variable-pressure with self-checking function Device, including transformer-cabinet 1 and connecting terminal 13, the inner surface of transformer-cabinet 1 are provided with flame retardant coating 2, and transformer tank Bottom end inside body 1 is equipped with blower 3, and transformer-cabinet 1 includes mounting seat 101, fixed frame 102, ventilation hole 103, tank wall 104, hinge 105, protection door-plate 106 and observation window 107, and the top of mounting seat 101 is provided with fixed frame 102, fixed frame Through there is ventilation hole 103, the left and right sides of 101 upper surface of mounting seat is fixedly welded with tank wall 104, and case for 102 inside The outside of wall 104 is hinged by hinge 105 and protection door-plate 106, and the middle position of protection door-plate 106 is inlaid with observation window 107, protection can be played the role of to whole device by the transformer-cabinet 1 of installation, and run through inside fixed frame 102 Ventilation hole 103 can be convenient for device integral heat sink, while by setting observation window 107 can be to the electric appliance inside device Element is checked；

The inside of flame retardant coating 2 is provided with heat dissipation channel 4, and the upper end of heat dissipation channel 4 is connected with automatic control box 5, Flame retardant coating 2 and the inner wall of transformer-cabinet 1 fit closely, and transformer-cabinet 1 passes through heat dissipation channel 4 and automatic control box 5 Between communicate, the setting of flame retardant coating 2 can play fire-resisting protection to device, avoid the occurrence of fire, and heat dissipation channel 4 is set Set the problem of heat generated inside device can be facilitated to shed, avoid the occurrence of accumulated heat；The inside of automatic control box 5 is equipped with temperature Sensor 6 is spent, and the inside of temperature sensor 6 is provided with controller 7, the outside of automatic control box 5 is provided with thermovent 8, and The middle position of automatic control box 5 is equipped with electromagnetic coil 9, and temperature sensor 6 passes through the connection side between conducting wire and controller 7 Formula is to be electrically connected, and controller 7 is to be electrically connected by the connection between conducting wire and electromagnetic coil 9 and blower 3, blower 3 Setting power can be provided for the heat dissipation of device, the installation of temperature sensor 6 can measure the temperature inside device, Carry out the problem that avoiding device internal temperature is excessively high and generation is short-circuit with this；

The inside of electromagnetic coil 9 is provided with armature 10, and the right side of electromagnetic coil 9 is provided with connecting spring 11, connects bullet The right side of spring 11 is connected with pull rod 12, and the right side of pull rod 12 is provided with connection contact 14, and electromagnetic coil 9 is by armature 10 and draws Connection type between bar 12 is to be attracted connection, and pull rod 12 passes through composition elasticity knot between connecting spring 11 and electromagnetic coil 9 Structure can control the work of transformer by the power on/off of electromagnetic coil 9, can be avoided under the device condition of high temperature with this The problem of continuing working, connecting terminal 13 are set to the right side of connection contact 14, structure between connecting terminal 13 and connection contact 14 At card and structure, and the contour structures of connecting terminal 13 and connection contact 14 match, connecting terminal 13 with connect contact 14 it Between cooperate, the problem of so as to avoid the occurrence of electric leakage, substantially increase the combined type variable-pressure that this kind has self-checking function The practicability of device.

Working principle: for this kind of combined transformer, transformer can be contained by transformer-cabinet 1 first It puts, mounting seat 101 can be supported whole device, can be carried to transformer body by fixed frame 102, lead to Inside fixed frame 102, the heat so as to generate transformer sheds air holes 103 from ventilation hole 103, protects door-plate 106 can be closed transformer-cabinet 1 by hinge 105, while can be to zero of box house by observation window 107 Part is checked, is fitted closely between tank wall 104 and flame retardant coating 2, and fairly large burning occurs so as to avoiding device, The letter that the temperature inside device can be measured by the temperature sensor 6 of installation, while can be will test by conducting wire Breath passes to controller 7, inside device when the temperature is excessively high, is able to pass through the controller 7 pairs of actuators and issues instruction, actuator Including blower 3 and electromagnetic coil 9, start blower 3, the accumulated heat inside device can be blown by the work of blower 3 by heat dissipation channel 4 At automatic control box 5, in the thermovent 8 by being arranged on the outside of automatic control box 5, heat can be shed, while electromagnetic coil 9 It is powered, by electromagnetic induction principle armature 10 is magnetized, can so adsorb the movement of pull rod 12, while carrying out to connecting spring 11 Compression, the absorption movement of pull rod 12 can make to connect contact 14 from the separation of connecting terminal 13, the work of transformer can be disconnected with this, So that the practicability of entire combined transformer is improved well, using for entire combined transformer is completed like this Journey.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (6)

1. a kind of combined transformer with self-checking function, including transformer-cabinet (1) and connecting terminal (13), feature exists In: the inner surface of the transformer-cabinet (1) is provided with flame retardant coating (2), and the bottom end of transformer-cabinet (1) inside is equipped with Blower (3) is provided with heat dissipation channel (4) on the inside of the flame retardant coating (2), and the upper end of heat dissipation channel (4) and automatic control Case (5) is connected, and the inside of the automatic control box (5) is equipped with temperature sensor (6), and the inside of temperature sensor (6) It is provided with controller (7), is provided with thermovent (8) on the outside of the automatic control box (5), and the centre of automatic control box (5) Position is equipped with electromagnetic coil (9), is provided with armature (10) on the inside of the electromagnetic coil (9), and the right side of electromagnetic coil (9) It is provided with connecting spring (11), is connected with pull rod (12) on the right side of the connecting spring (11), and the right side setting of pull rod (12) Have connection contact (14), the connecting terminal (13) is set to the right side of connection contact (14).

2. a kind of combined transformer with self-checking function according to claim 1, it is characterised in that: the transformer Cabinet (1) includes mounting seat (101), fixed frame (102), ventilation hole (103), tank wall (104), hinge (105), protection door-plate (106) and observation window (107) fixed frame (102) are provided with, and above mounting seat (101), the fixed frame (102) it is interior Through having ventilation hole (103), the left and right sides of mounting seat (101) upper surface is fixedly welded with tank wall (104) in portion, and The outside of tank wall (104) is hinged by hinge (105) and protection door-plate (106), the middle position of protection door-plate (106) It is inlaid with observation window (107).

3. a kind of combined transformer with self-checking function according to claim 1, it is characterised in that: the fire-retardant painting Layer (2) and the inner wall of transformer-cabinet (1) fit closely, and transformer-cabinet (1) passes through heat dissipation channel (4) and automatic control box (5) it is communicated between.

4. a kind of combined transformer with self-checking function according to claim 1, it is characterised in that: the temperature passes Sensor (6) is to be electrically connected, and controller (7) passes through conducting wire and electromagnetism by the connection type between conducting wire and controller (7) Connection between coil (9) and blower (3) is to be electrically connected.

5. a kind of combined transformer with self-checking function according to claim 1, it is characterised in that: the electromagnetic wire Enclosing (9) is to be attracted connection, and pull rod (12) passes through connecting spring by the connection type between armature (10) and pull rod (12) (11) elastic construction is constituted between electromagnetic coil (9).

6. a kind of combined transformer with self-checking function according to claim 1, it is characterised in that: the connection touching Point (13) with connect between contact (14) constitute card and structure, and connecting terminal (13) and connection contact (14) contour structures phase It coincide.