CN214798503U - Humidity relay protector for transformer box - Google Patents

Abstract

The utility model belongs to the technical field of electric power facility, a humidity relay protector for transformer box is disclosed, including the transformer box body, transformer box body front end articulates there is the chamber door, transformer box body left and right ends fixedly connected with external heating panel, all set up the louvre of intercommunication each other on external heating panel and the transformer box body, transformer box body's back inner wall is equipped with a plurality of relay protection ware, transformer box body's back inner wall is equipped with humidity transducer, transformer box body's last inner wall is equipped with a pair of electric fan, a plurality of draught fans are installed to transformer box body's back inner wall, the downside is equipped with moisture absorption mechanism in the transformer box body, and this scheme can realize detecting and regulating and control transformer box inside humidity, reduces because of the possibility of humidity initiation electric power accident.

Description

Humidity relay protector for transformer box

Technical Field

The application relates to the technical field of electric power facilities, more specifically relates to a humidity relay protector for transformer box.

Background

The transformer box is a box body of a place for converting, concentrating and distributing voltage and current of electric energy in an electric power system. In order to ensure the quality of electric energy and the safety of equipment, voltage regulation, power flow (the flow direction and distribution of voltage, current and power in each node and branch in an electric power system) control and protection of transmission and distribution lines and main electric equipment are required to be carried out in a transformer box, and the transformer box is widely applied to medium-high voltage electric power facilities of 35 kilovolts and below.

The transformer case during operation, the inside work original paper generates heat, and consequently the heat dissipation window is seted up to the box, and at present, many transformer cases are all in outdoor use, because the influence of weather factor, the influence of external moisture to the transformer case is big, and the moisture gets into from the heat dissipation window easily, leads to transformer incasement portion to wet, and then takes place power failure, consequently need carry out the detection and the regulation and control of humidity to the transformer case.

In view of the above-mentioned related art, the inventor believes that there is a defect that the internal humidity is high when the power transformation box is in use, which may cause power accidents.

SUMMERY OF THE UTILITY MODEL

In order to detect and regulate and control the inside humidity of transformer case, reduce because of the possibility of humidity initiation electric power accident, this application provides a humidity relay protection ware for transformer case.

The application provides a humidity relay protector for transformer case adopts following technical scheme:

the utility model provides a humidity relay protector for transformer box, includes the transformer box body, transformer box body front end articulates there is the chamber door, transformer box body left and right sides both ends fixedly connected with external heating panel, all set up the louvre of mutual intercommunication on external heating panel and the transformer box body, transformer box body's back inner wall is equipped with a plurality of relay protector, transformer box body's back inner wall is equipped with humidity transducer, transformer box body's last inner wall is equipped with a pair of electric fan, a plurality of draught fans are installed to transformer box body's back inner wall, the downside is equipped with moisture absorption mechanism in the transformer box body, and this scheme can realize detecting and regulating and control the humidity of transformer box inside, reduces because of the possibility of humidity initiation electric power accident.

Further, the output of draught fan is equipped with out the tuber pipe, it flushes with the louvre axial to go out the tuber pipe, draws forth the higher gas of humidity in the transformer box through the louvre through going out the tuber pipe to reduce the humidity of transformer box, reduce the emergence of phenomenon of opening circuit, reduce the potential safety hazard.

Further, moisture absorption mechanism includes the bottom plate, the downside inner wall fixed connection of bottom plate and transformer box body, install the activated carbon board in the bottom plate, absorb the air current that draws to the downside along with electric fan work through the activated carbon board to adsorb the vapor in the air current, reduce air humidity, promote the safety in utilization.

Furthermore, a plurality of air outlets have been seted up on the bottom plate, air outlet inner wall fixedly connected with second moisture absorption filter plate, the air outlet makes and gets into the air current of bottom plate downside through the activated carbon board and can upwards circulate, forms the air current circulation to increase the humidity absorption efficiency to the air current.

Further, the observation window is installed to the front end of chamber door, the emergency switch with relay protection ware electric connection is installed to the front end of chamber door, and the technical staff of being convenient for observes the safety condition in the transformer box body through the observation window to make corresponding treatment, be convenient for the technical staff through emergency switch and follow the circuit breaker in the transformer box body outside, thereby reduce the potential safety hazard of operation.

Further, the warning light with humidity transducer electric connection is installed to the case door front end, humidity transducer and draught fan, electric fan and relay protection ware electric connection detect the whole humidity in the transformer box body through humidity transducer to control warning light instruction is reported to the police, controls electric fan and draught fan and mutually supports to the outer exhaust dehumidification of transformer box body according to the humidity condition simultaneously, and simultaneous control relay protection ware disconnection reduces the risk that the electric power calamity takes place.

To sum up, the application comprises the following beneficial technical effects:

(1) this scheme can realize detecting and regulating and control the inside humidity of transformer case, reduces because of the possibility of humidity initiation electric power accident.

(2) The air with higher humidity in the power transformation box body is led out through the air outlet pipe through the heat dissipation holes, so that the humidity of the power transformation box body is reduced, the occurrence of a circuit breaking phenomenon is reduced, and potential safety hazards are reduced;

(3) absorb the air current that draws to the downside along with electric fan work through the active carbon board to adsorb the vapor in the air current, reduce air humidity, promote the safety in utilization.

Drawings

Fig. 1 is a schematic structural diagram of a power transformation box body of the present application;

fig. 2 is a schematic diagram of an internal structure of a transformer substation enclosure according to the present application;

fig. 3 is a schematic structural diagram at a in fig. 2.

The reference numbers in the figures illustrate:

1 transformer box, 2 chamber doors, 3 external heating panels, 4 electric fans, 5 relay protectors, 6 induced draft fans, 7 bottom plates, 8 activated carbon plates, 9 air outlet holes, 10 heat dissipation holes, 11 observation windows, 12 warning lamps, 13 emergency switches, 14 air outlet pipes, 15 second moisture absorption filter plates and 16 humidity sensors.

Detailed Description

The technical solution in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application; it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all embodiments, and all other embodiments obtained by those of ordinary skill in the art without any inventive work based on the embodiments in the present application belong to the protection scope of the present application.

In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present application. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

Example (b):

the present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a humidity relay protector for transformer box, please refer to fig. 1, including transformer box 1, transformer box 1 front end is articulated to have chamber door 2, both ends fixedly connected with external heating panel 3 about transformer box 1, please refer to fig. 2-3, all set up mutual louvre 10 that communicates on external heating panel 3 and the transformer box 1, transformer box 1's back inner wall is equipped with a plurality of relay protector 5, transformer box 1's back inner wall is equipped with humidity transducer 16, humidity transducer 16's model is GWSD50 in this embodiment, relevant field technical staff can select suitable model by oneself according to actual conditions, transformer box 1's last inner wall is equipped with a pair of electric fan 4, a plurality of draught fans 6 are installed to transformer box 1's back inner wall, the downside is equipped with moisture absorption mechanism in the transformer box 1.

Referring to fig. 2, an output end of an induced draft fan 6 is provided with an air outlet pipe 14, the air outlet pipe 14 is axially flush with a heat dissipation hole 10, a gas with higher humidity in a power transformation box body 1 is led out through the air outlet pipe 14 through the heat dissipation hole 10, so as to reduce the humidity of the power transformation box body 1, reduce the occurrence of a circuit breaking phenomenon and reduce potential safety hazards, a moisture absorption mechanism comprises a bottom plate 7, the bottom plate 7 is fixedly connected with the inner wall of the lower side of the power transformation box body 1, an activated carbon plate 8 is installed in the bottom plate 7, airflow which is driven to the lower side along with the work of an electric fan 4 is absorbed through the activated carbon plate 8, so as to absorb water vapor in the airflow, reduce air humidity and improve the use safety, referring to fig. 3, the bottom plate 7 is provided with a plurality of air outlet holes 9, the inner wall of the air outlet holes 9 is fixedly connected with a second moisture absorption filter plate 15, in this embodiment, the second moisture absorption filter plate 15 is also made of an activated carbon material, and absorbs water vapor and impurities in the air, the air outlet holes 9 enable the air flow entering the lower side of the bottom plate 7 through the activated carbon plate 8 to circulate upward, forming air flow circulation, thereby increasing the humidity absorption efficiency of the air flow.

Referring to fig. 1, an observation window 11 is installed at the front end of a box door 2, an emergency switch 13 electrically connected with a relay protector 5 is installed at the front end of the box door 2, a technician can observe the safety condition in a transformer box body 1 through the observation window 11 conveniently, so as to take corresponding treatment measures, the technician can disconnect a circuit from the outer side of the transformer box body 1 through the emergency switch 13 conveniently, so as to reduce the potential safety hazard of operation, a warning lamp 12 electrically connected with a humidity sensor 16 is installed at the front end of the box door 2, the humidity sensor 16 is electrically connected with an induced draft fan 6, an electric fan 4 and the relay protector 5, the whole humidity in the transformer box body 1 is detected through the humidity sensor 16, so as to control the warning lamp 12 to indicate alarm, and simultaneously control the electric fan 4 and the induced draft fan 6 to cooperate with each other to exhaust air and dehumidify to the outside of the transformer box body 1 and control the relay protector 5 to be disconnected according to the humidity condition, the risk of electric power disaster occurrence is reduced.

The implementation principle of the humidity relay protector for the transformer box is as follows: referring to fig. 1-3, when the power transformation box 1 is in use, the humidity sensor 16 detects the overall humidity in the power transformation box 1, when the humidity in the power transformation box 1 reaches a specified value set by the humidity sensor 16, the humidity sensor 16 controls the operation of the electric fan 4 and the induced draft fan 6, the electric fan 4 drives the gas in the power transformation box 1 to flow, the induced draft fan 6 discharges the humid gas out of the power transformation box 1 through the heat dissipation holes 10, meanwhile, the humid gas flow driven by the electric fan 4 passes through the activated carbon plate 8 and is absorbed by the activated carbon plate 8 to further reduce the humidity, when the humidity reaches a warning value set by the humidity sensor 16, the humidity sensor 16 controls the relay protector 5 to open the circuit and the warning lamp 12 to flash and warn technicians to perform safety maintenance and reduce the possibility of power accidents, compared with the prior art, this scheme can realize detecting and regulating and control the inside humidity of transformer case, reduces because of the possibility of humidity initiation electric power accident.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (6)

1. The utility model provides a humidity relay protector for transformer case, includes transformer case body (1), its characterized in that: the utility model discloses a transformer box body, including transformer box body (1), transformer box body (1) front end hinge has chamber door (2), external heating panel (3) of both ends fixedly connected with are controlled to transformer box body (1), all set up louvre (10) of mutual intercommunication on external heating panel (3) and transformer box body (1), the back inner wall of transformer box body (1) is equipped with a plurality of relay protection ware (5), the back inner wall of transformer box body (1) is equipped with humidity transducer (16), the last inner wall of transformer box body (1) is equipped with a pair of electric fan (4), a plurality of draught fans (6) are installed to the back inner wall of transformer box body (1), the downside is equipped with moisture absorption mechanism in transformer box body (1).

2. The humidity relay protector for a power transformation box according to claim 1, wherein: the output of draught fan (6) is equipped with out tuber pipe (14), it flushes with louvre (10) axial to go out tuber pipe (14).

3. The humidity relay protector for a power transformation box according to claim 1, wherein: moisture absorption mechanism includes bottom plate (7), bottom plate (7) and the downside inner wall fixed connection of transformer case body (1), install activated carbon plate (8) in bottom plate (7).

4. A humidity relay protector for a transformer substation according to claim 3, characterized in that: a plurality of air outlet holes (9) are formed in the bottom plate (7), and a second moisture absorption filter plate (15) is fixedly connected to the inner wall of each air outlet hole (9).

5. The humidity relay protector for a power transformation box according to claim 1, wherein: observation window (11) are installed to the front end of chamber door (2), emergency switch (13) with relay protection ware (5) electric connection are installed to the front end of chamber door (2).

6. The humidity relay protector for a power transformation box according to claim 1, wherein: the alarm lamp (12) is installed with humidity transducer (16) electric connection at chamber door (2) front end, humidity transducer (16) and draught fan (6), electric fan (4) and relay protection ware (5) electric connection.

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