CN214753340U - Protection device for miniature transformer - Google Patents
Protection device for miniature transformer Download PDFInfo
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- CN214753340U CN214753340U CN202120223360.3U CN202120223360U CN214753340U CN 214753340 U CN214753340 U CN 214753340U CN 202120223360 U CN202120223360 U CN 202120223360U CN 214753340 U CN214753340 U CN 214753340U
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- transformer
- protection device
- coil
- miniature transformer
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Abstract
The utility model relates to a miniature transformer technical field especially relates to a protection device for miniature transformer, including the box, box internally mounted has the transformer, and the winding has the coil on the transformer, and coil one end is connected with the input line, and the coil other end is connected with the output line, and the through-hole has been seted up to the box both sides, and the input line, output line pass through the through-hole and connect outside equipment, and smoke alarm is installed on box inner wall top, and box surface top is provided with the fire extinguisher, and the fire extinguisher bottom is provided with the shower nozzle, and the shower nozzle is located inside the box, and just to the transformer, the utility model provides a current miniature transformer security performance poor problem, this device simple structure possesses dual safety guarantee, and the security performance is high, and it is convenient to remove.
Description
Technical Field
The utility model relates to a miniature transformer technical field especially relates to a protection device for miniature transformer.
Background
The box-type transformer is used as a whole set of distribution equipment and is formed by organically combining a transformer, high-voltage control equipment and low-voltage control equipment. The basic principle of the transformer is that reasonable assembly is carried out according to a specified sequence through a pressure starting system, an armored wire, a transformer substation full-automatic system, a direct current point and corresponding technical equipment, and all components are installed in a specific waterproof, dustproof and rat-proof completely-sealed toughened box body structure, so that the specific transformer is formed. Box-type transformers have been widely used in power engineering construction. The portable small box type transformer is particularly used, but the safety performance of the existing small transformer is poor.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the shortcoming of the existing small-sized transformer safety performance difference existing in the prior art and providing a protection device for a small-sized transformer.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a protection device for miniature transformer, includes the box, box internally mounted has the transformer, the winding has the coil on the transformer, coil one end is connected with the input line, and the coil other end is connected with the output line, and the through-hole has been seted up to the box both sides, outside equipment is connected through the through-hole to input line, output line, and smoke alarm is installed on box inner wall top, and box surface top is provided with the fire extinguisher, the fire extinguisher bottom is provided with the shower nozzle, the shower nozzle is located inside the box, and just to the transformer.
Furthermore, the input line passes through an overcurrent relay, the overcurrent relay plays a role in protection, and when the input line works normally, the input line automatically cuts off a power supply by detecting the voltage, the current and the phase difference of a connected circuit in real time and analyzing and calculating the load property of the circuit, and when the power of a resistive load or the total power exceeds a set value, the power supply is automatically cut off, so that power utilization accidents are avoided.
Furthermore, the bottom of the box body is provided with a roller, and the roller is convenient to move by the device.
Furthermore, fans are installed on two sides inside the box body, and the fans are opposite to the coils.
Furthermore, the front surface of the box body is rotatably provided with a box door through a hinge.
Furthermore, a meter panel is installed on the surface of the box door, the meter panel displays a current value, and the working state of the transformer can be clearly displayed through the meter panel.
Further, the surface of the box door is provided with an observation window, and the observation window is internally provided with tempered glass.
Furthermore, the ventilation holes are formed in the two sides of the box body and are rhombic, and the ventilation holes play a role in heat dissipation.
The utility model has the advantages that: the overcurrent relay control that provides through this scheme passes through the electric current size, mutually supports between smoke alarm and the fire extinguisher, can in time automatic fire extinguishing when taking place the conflagration, has solved the poor problem of current miniature transformer security performance, and this device simple structure possesses dual safety guarantee, and the security performance is high, and it is convenient to remove.
Drawings
Fig. 1 is a schematic view of the overall structure of a protection device for a miniature transformer according to the present invention;
fig. 2 is a schematic front view of a box door of the protection device for the miniature transformer provided by the present invention;
fig. 3 is the utility model provides a protective device's for miniature transformer box looks sideways at the schematic structure.
In the figure: 1 box, 2 transformers, 3 coils, 4 overcurrent relays, 5 fans, 6 input wires, 7 output wires, 8 vent holes, 9 rollers, 10 fire extinguishers, 11 nozzles, 12 box doors, 13 instrument panels, 14 observation windows and 15 smoke alarms.
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.
In the embodiment, referring to fig. 1-3, a protection device for a miniature transformer comprises a box body 1, a transformer 2 is installed in the box body 1, a coil 3 is wound on the transformer 2, one end of the coil 3 is connected with an input line 6, the other end of the coil 3 is connected with an output line 7, through holes are formed in two sides of the box body 1, the input line 6 and the output line 7 are connected with external equipment through the through holes, the input line 6 passes through an overcurrent relay 4, the overcurrent relay 4 plays a protection role, during normal operation, the overcurrent relay 4 analyzes and calculates the load property of a line by detecting the voltage, current and phase difference of a connected circuit in real time, when the resistive load power or the total power exceeds the set value, the power is automatically cut off to avoid the occurrence of power accidents, a smoke alarm 15 is installed at the top end of the inner wall of the box body 1, and a fire extinguisher 10 is arranged at the top end of the surface of the box body 1, the bottom of the fire extinguisher 10 is provided with a spray nozzle 11, the fire extinguisher 10 is a dry powder fire extinguisher, fire extinguishing components in the dry powder fire extinguishing agent are inactive substances of combustion reaction, when the fire extinguishing agent enters flame in a combustion area, free radicals generated by decomposition react with free radicals such as H and OH generated in the flame combustion reaction, the free radicals generated by the combustion reaction are captured and stopped, and the rate of the combustion reaction is reduced. When the concentration of the dry powder in the flame is high enough, the contact area with the flame is large enough, and the termination rate of the free radicals is greater than the generation rate of the combustion reaction, the chain combustion reaction is terminated, and the flame is extinguished. The dry powder extinguishing agent is decomposed in combustion flame by heat absorption, and the decomposition reaction in each step is an endothermic reaction, so that the dry powder extinguishing agent has a better cooling effect. In addition, ammonium dihydrogen phosphate decomposes under the high temperature, generate a layer of glassy thin film residue covering on the solid matter surface and cover in the surface, the prevention burning goes on, and can prevent the after combustion, shower nozzle 11 is located inside box 1, and just to transformer 2, gyro wheel 9 is installed to the bottom of box 1, the convenient this device of design of gyro wheel 9 removes, fan 5 is installed to 1 inside both sides of box, and fan 5 is just to coil 3, box door 12 is installed through the hinge rotation in box 1 front, box door 12 surface mounting has panel board 13, panel board 13 shows has the current value, can be clear through panel board 13 demonstration transformer 2 operating condition, box door 12 surface is provided with observation window 14, 14 internally mounted has tempered glass in the observation window, ventilation hole 8 has been seted up to box 1 both sides, and ventilation hole 8 is the rhombus, ventilation hole 8 plays the radiating effect.
The working principle is as follows: the working state of the transformer 2 can be observed through the display of the instrument panel 13, the observation window 14 can be used for manual monitoring, when the transformer works normally, the overcurrent relay 4 analyzes and calculates the load property of a circuit by detecting the voltage, the current and the phase difference of a connected circuit in real time, when the resistance load power or the total power is detected to exceed the set value, the power supply is automatically cut off, the occurrence of power utilization accidents is avoided, and when the transformer 2 is overheated and catches fire, the smoke alarm 15 detects that smoke controls the fire extinguisher 10 to spray dry powder for extinguishing fire.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (8)
1. The utility model provides a protection device for miniature transformer, a serial communication port, includes box (1), box (1) internally mounted has transformer (2), the winding has coil (3) on transformer (2), coil (3) one end is connected with input line (6), and coil (3) other end is connected with output line (7), and the through-hole has been seted up to box (1) both sides, outside equipment is connected through the through-hole in input line (6), output line (7), and smoke alarm (15) are installed on box (1) inner wall top, and box (1) surface top is provided with fire extinguisher (10), fire extinguisher (10) bottom is provided with shower nozzle (11), shower nozzle (11) are located inside box (1), and just to transformer (2).
2. A protection device for a miniature transformer according to claim 1, characterized in that said input line (6) passes through an overcurrent relay (4), said overcurrent relay (4) acting as a protection.
3. A protection device for miniature transformers according to claim 1, characterized in that rollers (9) are mounted at the bottom of said tank (1).
4. The protection device for the miniature transformer according to claim 1, wherein fans (5) are installed on two sides inside the box body (1), and the fans (5) are opposite to the coil (3).
5. The protection device for the miniature transformer as claimed in claim 1, wherein said cabinet (1) is pivotally mounted at its front side with a door (12) by means of hinges.
6. The protection device for the miniature transformer as recited in claim 5, wherein said cabinet door (12) is surface-mounted with an instrument panel (13), said instrument panel (13) displaying a current value.
7. The protection device for the miniature transformer as recited in claim 5, wherein said door (12) is provided with a viewing window (14) on the surface, and said viewing window (14) is internally provided with tempered glass.
8. The protection device for the miniature transformer as claimed in claim 1, wherein the box body (1) is provided with vent holes (8) at both sides thereof, and the vent holes (8) are rhombic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120223360.3U CN214753340U (en) | 2021-01-27 | 2021-01-27 | Protection device for miniature transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120223360.3U CN214753340U (en) | 2021-01-27 | 2021-01-27 | Protection device for miniature transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214753340U true CN214753340U (en) | 2021-11-16 |
Family
ID=78641891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120223360.3U Active CN214753340U (en) | 2021-01-27 | 2021-01-27 | Protection device for miniature transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214753340U (en) |
-
2021
- 2021-01-27 CN CN202120223360.3U patent/CN214753340U/en active Active
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