CN214312826U

CN214312826U - Electric automatization protection device

Info

Publication number: CN214312826U
Application number: CN202120432909.XU
Authority: CN
Inventors: 张晓伟; 辛柏尚; 孟浩; 蒋俊
Original assignee: Anhui Jinmei Zhongneng Chemical Co Ltd
Current assignee: Xinjiang Zhongneng Wanyuan Chemical Co ltd
Priority date: 2021-03-01
Filing date: 2021-03-01
Publication date: 2021-09-28
Anticipated expiration: 2031-03-01

Abstract

The utility model relates to the technical field of transformer protection, in particular to an electric automation protection device; the transformer comprises a shell and a transformer body, wherein the transformer body is arranged in the shell, a supporting cover is connected to the inner wall of the rear side of the shell, a plurality of radiating fans are arranged on the supporting cover, a humidity sensor and a PLC control module are also arranged on the supporting cover, and a supporting mesh enclosure is embedded in the rear side surface of the supporting cover and is connected with the supporting mesh enclosure in a sliding manner; the top end of the shell is connected with an exhaust hood, a rotating seat is rotatably connected in the exhaust hood, a plurality of exhaust ports are formed in the rotating seat, blades are arranged at the edges of the top ends of the exhaust ports, and the top ends of the rotating seat are fixedly connected with a waterproof cover; this device need not personnel to control and opens and stop, and degree of automation is high, can not influence the radiating effect of the inside transformer body of casing, and whether staff rotates through observing the buckler, can learn whether radiator fan in the casing is in normal operating, consequently need not to open the casing and inspects, has alleviateed the burden of daily inspection.

Description

Electric automatization protection device

Technical Field

The utility model relates to a transformer protection technical field specifically discloses an electric automatization protection device.

Background

The transformer is a device for changing alternating voltage by using the principle of electromagnetic induction, and the main components are a primary coil, a secondary coil and an iron core (magnetic core), and the transformer has the main functions of: voltage transformation, current transformation, impedance transformation, isolation, voltage stabilization (magnetic saturation transformer), and the like. At present, in order to reduce the influence of moisture, the existing transformer mostly adopts a mode of raising or adding a waterproof cover to achieve the moisture-proof effect, and the mode is difficult to reduce the moisture in the air around the transformer, and the dehumidification effect is not ideal.

The utility model discloses a dehydrating unit for transformer, which comprises a base, the left and right sides of base all movable mounting have the fixed mounting panel that is located the mounting hole, the inside fixed mounting of fixed mounting panel has the activated carbon board, the top fixed mounting air-out safety cover of base, the diapire fixed mounting of base inner chamber has the electric fan, the bottom of air-out safety cover has seted up the air vent, the top fixed mounting of base has the transformer that is located between two air-out safety covers, the top intercommunication of air-out safety cover has the intercommunication installation pipe of two, the inside of intercommunication installation pipe is pegged graft and is located the dehumidification pipe box of transformer front surface, the inside fixed mounting of dehumidification pipe box has the air heater strip, the roof fixed mounting of dehumidification pipe box inner chamber has the moisture absorption stick, the top movable mounting of base has the fixed cowling that is located the transformer outside, the top movable mounting of transformer has the support that runs through and extend to the fixed cowling outside; the utility model discloses a transformer dehydrating unit has better dehydrating effect through the left and right sides of the electric fan exhaust air, heating wire heating, moisture absorption rod and silica gel drying tube, but it can't detect the ambient humidity automatically, and needs to start and stop the dehydrating unit manually; in addition, the electric fan is arranged in the cover body, the running state of the electric fan is not easy to observe, the cover body needs to be opened to check the state of the electric fan, the burden of daily check of personnel is increased, the cover body of the dehumidifying device is good in sealing performance, and the heat dissipation effect of the transformer is affected in high-temperature weather. Therefore, aiming at the defects of the dehumidification device of the existing transformer, the design of the electric automatic protection device which can automatically start the dehumidification operation according to the environment humidity, has good heat dissipation effect and is easy to observe the running state of the internal cooling fan is a technical problem to be solved.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the problem that proposes among the above-mentioned background art, design one kind and can be according to environment humidity automatic start dehumidification work, the better and easily observe inside radiator fan running state's of radiating effect electrical automation protection device.

The utility model discloses a realize through following technical scheme:

an electric automation protection device comprises a shell and a transformer body, wherein the transformer body is arranged on the bottom wall of an inner cavity of the shell, a supporting cover is connected on the inner wall of the rear side of the shell, a plurality of radiating fans are fixedly arranged on the front side surface of the supporting cover, the radiating fans are arranged right opposite to the transformer body, a humidity sensor and a PLC control module are further arranged on the front side surface of the supporting cover, a ventilating opening corresponding to each radiating fan is formed in the supporting cover, a supporting net cover is embedded and connected on the rear side surface of the supporting cover corresponding to each radiating fan in a sliding mode, a dehumidifying agent is filled in the supporting net cover, a fixing block is connected to the top end of each supporting net cover, a plurality of vertically arranged stroke grooves are formed in the supporting cover, the fixing blocks extend out of the stroke grooves, and an electric push rod is arranged at the upper end of the front side surface of the supporting cover, a piston end of the electric push rod is fixedly connected with a transmission rod, the transmission rod is fixedly connected with a fixed block of each extending stroke groove, and the rear side surface of the shell positioned at the rear side of each ventilation opening is provided with a ventilation groove;

the top of casing evenly is connected with a plurality of exhaust hoods, every the top of exhaust hood all imbeds and rotates and be connected with and rotate the seat, every it has seted up a plurality of gas vents to be annular array on the seat to rotate, is located every all be provided with the blade on the rotation seat of gas vent top edge, every the equal fixedly connected with buckler in top of rotating the seat.

As a further arrangement of the above scheme, the number of the heat dissipation fans arranged on the front side surface of the support cover is two, the two heat dissipation fans are arranged in a left-right mirror symmetry manner, the number of the stroke slots arranged on the support cover is also two, and the two stroke slots are arranged at the left end and the right end of the support cover.

As a further arrangement of the scheme, a filter screen is fixedly connected in each ventilation groove.

As a further arrangement of the scheme, the edges of the supporting mesh enclosure are fixedly connected with sealing rubber sleeves.

As a further configuration of the above aspect, the plurality of blades on the rotating base are disposed to be inclined toward the exhaust port.

As a further arrangement of the scheme, the outer surface of each waterproof cover is provided with a reflective sticker.

As a further arrangement of the scheme, the humidity sensor, the cooling fan and the electric push rod are all electrically connected with the PLC control module

Compared with the prior art, the utility model, its beneficial effect is:

1) the utility model discloses an electric automatization protection device it monitors the air humidity around the transformer body in real time through humidity transducer, and PLC control module can control electric putter extension when the air humidity surpasses the critical value and pushes away the support screen panel that is filled with the desiccant to the gas vent, then restarts radiator fan and dehumidifies its inside; when the detected air humidity is lower than a critical value, the dehumidifying structure in the shell is automatically retracted, so that the heat dissipation effect of the device is prevented from being influenced; its whole device need not personnel and controls to open and stop, and degree of automation is high, can not influence the radiating effect of the inside transformer body of casing moreover, and the practicality is strong.

2) When the electric automation protection device disclosed by the invention starts the cooling fan to dehumidify the interior of the cooling fan, the wind body can be discharged from the exhaust port of the rotating seat, the blades enable the outwards discharged gas to drive the rotating seat to rotate through the blades, and a worker can easily know whether the cooling fan in the shell normally operates by observing whether the waterproof cover rotates, so that the shell does not need to be opened for inspection, and the burden of daily inspection is reduced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the inner side structure of the housing of the present invention;

FIG. 3 is a schematic structural view of the support cover of the present invention;

fig. 4 is a schematic structural view of the position a of the present invention;

fig. 5 is a top view of the rotating base of the present invention.

Wherein, 1-shell; 2-a transformer body; 3-supporting the cover; 4-a heat dissipation fan; 5-a humidity sensor; 6-stroke slot; 7-a ventilation groove; 8-a filter screen; 9-ventilating port; 10-supporting a mesh enclosure; 11-a desiccant; 12-fixing blocks; 13-a transmission rod; 14-an electric push rod; 15-exhaust hood; 16-a rotating seat; 17-an exhaust port; 18-a blade; 19-waterproof cover.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions 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, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the invention and its embodiments, and are not intended to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in the present invention can be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail with reference to the accompanying drawings 1-5, in conjunction with the embodiments.

Example 1

This embodiment 1 discloses an electric automatization protection device, including casing 1 and transformer body 2, install transformer body 2 on the diapire of casing 1 inner chamber, be connected with supporting cover 3 on casing 1's rear side inner wall, supporting cover 3's leading flank fixed mounting has a plurality of radiator fan 4, and with radiator fan 4 just facing transformer 2 body setting, its radiator fan 4 that supports cover 3's leading flank setting is two when specifically setting up, and two radiator fan 4 bilateral mirror symmetry sets up.

A humidity sensor 5 and a PLC control module (not shown) are further provided on the front side surface of the support cover 3, and a power supply (not shown) for supplying power to each electrical component is also provided in the housing 1. The supporting cover is provided with a ventilation opening 9 corresponding to each cooling fan 4, the rear side face of the supporting cover 3 corresponding to each cooling fan 4 is embedded with a supporting mesh enclosure 10 in a sliding connection mode, and a dehumidifying agent 11 is filled in the supporting mesh enclosure 10. The top end of each supporting mesh enclosure 10 is connected with a fixed block 12, the supporting mesh enclosure 3 is provided with a plurality of vertically arranged stroke grooves 6, the number of the stroke grooves 6 arranged on the supporting mesh enclosure 3 is two when the supporting mesh enclosure is specifically arranged, and the two stroke grooves 6 are arranged at the left end and the right end of the supporting mesh enclosure 3. The fixing blocks 12 are arranged to extend out of the corresponding stroke grooves 6, the upper end of the front side face of the support cover 3 is provided with an electric push rod 14, the piston end of the electric push rod 14 is fixedly connected with a transmission rod 13, and the transmission rod 13 is fixedly connected with each fixing block 12 extending out of the stroke grooves 6 through bolts.

The rear side surface of the shell 1 positioned at the rear side of each ventilation opening 9 is provided with a ventilation groove 7, and the top end of the shell 1 is uniformly connected with a plurality of exhaust hoods 15. In addition, in this embodiment, a filter screen 8 is fixedly connected to each ventilation slot 7, and the filter screen 8 can prevent a large amount of external dust from being sucked. Meanwhile, a sealing rubber sleeve (not shown in the figure) is fixedly connected to the edge of the supporting mesh enclosure 10, and the sealing rubber sleeve can fill the gap between the edge of the supporting mesh enclosure 10 and the supporting mesh enclosure 3, so that the problem of air leakage in the gap between the edge of the supporting mesh enclosure 10 and the supporting mesh enclosure 3 is avoided.

Finally, it should be noted that the humidity sensor 5, the cooling fan 4 and the electric push rod 14 in this embodiment are all electrically connected to the PLC control module.

Example 2

The embodiment 2 discloses an improved electrical automation protection device based on the embodiment 1, which is the same as the embodiment 1 and will not be described again, and the difference is as follows:

this embodiment 2 still all imbeds at the top of every exhaust hood 15 and rotates and be connected with and rotate seat 16, and it has seted up a plurality of gas vents 17 to be annular array on every rotates seat 16, all is provided with blade 18 on the rotation seat 16 that is located every gas vent 17 top edge to its rotates seat 16 and goes up a plurality of blades 18 towards the one side slope setting of gas vent 17 when setting. Finally, a waterproof cover 19 is fixedly connected to the top end of each rotating base 16, and a reflective sticker (not shown) is arranged on the outer surface of each waterproof cover 19, and emits light when moving, so that a worker can judge whether the waterproof cover 19 rotates more easily.

The working principle of the electric automation protection device disclosed in the embodiment 2 is as follows:

when using the electric automatization protection device that embodiment 2 discloses, after humidity transducer 5 detected that the humidity reaches the certain degree in casing 1, through PLC control module automatic start electric putter 14, electric putter 14 promotes each support screen panel 10 downstream through transfer line 13 along the stroke groove 6 on the support cover 3, until support screen panel 10 hides the ventilative groove 7 of casing 1, therefore radiator fan 4 inhales the air in casing 1 will be through the filtration of desiccant 11 and detach most moisture wherein, make the gas moisture content greatly reduced that gets into to blow to transformer body 2, be favorable to prolonging the life of transformer body 2.

When the air current in casing 1 was arranged to the external world through each exhaust hood 15, in this process, when the air in the exhaust hood 15 was discharged along each gas vent 17, because the top edge of gas vent 17 sets up the blade 18 of slope, consequently outside combustion gas can drive through blade 18 and rotate seat 16 and take place to rotate, thereby make buckler 19 driven rotatory, the staff is through observing whether buckler 19 rotates, can easily learn whether radiator fan 4 in casing 1 is in normal operating, need not to unpack the casing apart and examine the running state of the radiator fan who sets up in inside, it has alleviateed the burden of daily inspection.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides an electric automatization protection device, includes casing and transformer body, the transformer body is installed on the diapire of casing inner chamber, its characterized in that: the inner wall of the rear side of the shell is connected with a support cover, the front side of the support cover is fixedly provided with a plurality of cooling fans, the cooling fans are arranged to face the transformer body, the front side of the support cover is also provided with a humidity sensor and a PLC control module, the support cover is provided with a ventilation port corresponding to each cooling fan, the rear side of the support cover corresponding to each cooling fan is embedded with a support net cover in a sliding connection manner, the support net cover is filled with a dehumidifying agent, the top end of each support net cover is connected with a fixed block, the support cover is provided with a plurality of vertically arranged stroke grooves, the fixed blocks extend out of the stroke grooves, the upper end of the front side of the support cover is provided with an electric push rod, the piston end of the electric push rod is fixedly connected with a transmission rod, and the transmission rod is fixedly connected with each fixed block extending out of the stroke grooves, the rear side surface of the shell positioned at the rear side of each ventilation opening is provided with a ventilation groove;

2. The electrical automation protection device of claim 1, wherein the number of the heat dissipation fans arranged on the front side of the support cover is two, the two heat dissipation fans are arranged in a left-right mirror symmetry, the number of the stroke slots arranged on the support cover is also two, and the two stroke slots are arranged on the left end and the right end of the support cover.

3. The electrical automation protection device of claim 1 wherein a filter screen is fixedly attached to each of the air-permeable slots.

4. The electrical automation protection device of claim 1 wherein a sealant sleeve is fixedly attached to each edge of the support screen.

5. The electrical automation protection device of claim 1 wherein the plurality of vanes on the rotatable base are angled toward a side of the exhaust port.

6. The electrical automation protection device of claim 1 wherein an outer surface of each waterproof cover is provided with a reflective sticker.

7. The electrical automation protection device of claim 1, wherein the humidity sensor, the heat dissipation fan and the electric push rod are electrically connected to the PLC control module.