CN216413533U

CN216413533U - Intelligent humidity relay protector for transformer box

Info

Publication number: CN216413533U
Application number: CN202121752914.5U
Authority: CN
Inventors: 靳维成
Original assignee: Wuhan Chuangqingyuan Power Design Co ltd
Current assignee: Wuhan Chuangqingyuan Power Design Co ltd
Priority date: 2021-07-28
Filing date: 2021-07-28
Publication date: 2022-04-29
Anticipated expiration: 2031-07-28

Abstract

The utility model discloses an intelligent humidity relay protector for a transformer box, which comprises a main body, a dehumidifier, a control panel and a base, wherein the dehumidifier is installed on the inner wall of one side of the main body, the outer wall of one side of the dehumidifier extends to the outside of the main body, the embedded control panel is arranged on the outer wall of one side of the main body, the base is installed on the top wall of the main body, the dehumidifier comprises fan blades, a water outlet pipe, a wind dispersing opening and a first humidity sensor, the wind dispersing opening is formed in the outer wall of one side of the dehumidifier, the first humidity sensor is installed on the outer wall of the other side of the dehumidifier, the first humidity sensor is located inside the main body, the fan blades are installed inside the dehumidifier, the bottom of the dehumidifier is connected with the water outlet pipe, and the tail end of the water outlet pipe extends to the outside of the main body. According to the utility model, the dehumidifier is arranged in the relay protector, so that the influence of humidity on the dehumidifier is considered, and the problem that the relay protector breaks down due to the influence of moisture is avoided.

Description

Intelligent humidity relay protector for transformer box

Technical Field

The utility model relates to the technical field of relay protectors, in particular to an intelligent humidity relay protector for a power transformation box.

Background

As is well known, the transformer box is widely used in various places, but because the influence of environmental factors, especially when rainy weather, when meeting plum rain season, the moisture can be very heavy, thereby it has potential safety hazard to make the transformer box receive moisture very easily, and makes the circuit break down, and current transformer box is provided with relay protection ware, but does not involve in the aspect of humidity, when breaking down, not only is difficult to discover at the very first time, has serious potential safety hazard moreover.

The existing device has the defects that:

1. the utility model discloses a chinese utility model patent with publication number CN213278856U discloses an intelligent humidity relay protector for transformer box, which comprises a casing, the inside of the casing is fixedly connected with a protective sleeve, the inside of the protective sleeve is provided with a spring, the upper end of the spring is fixedly connected with a slide plate, the upper surface of the slide plate is fixedly connected with a slide bar, the slide bar runs through the protective sleeve, the bottom of the casing is fixedly connected with a motor rib plate, the upper end of the motor rib plate is fixedly connected with a motor box, one side of the motor box is extended and provided with a motor shaft, the outer side of the motor shaft is fixedly connected with a threaded sleeve, the upper side of the threaded sleeve is provided with a gear, the middle of the gear is rotatably connected with a fixed shaft, one end of the fixed shaft is fixedly connected with the casing, the upper end of the gear is provided with a threaded pipe, the other end of the threaded pipe runs through the protective sleeve and is arranged above the slide plate, and a guide plate is arranged at the upper end of the threaded pipe. The utility model has simple structure, convenient use and simple operation.

However, the intelligent humidity relay protector for the transformer box disclosed in the above publication only installs the humidity sensor outside the relay protector, and does not consider that the inside of the relay protector may be affected by moisture, so that the relay protector itself fails, thereby affecting the use and having a potential safety hazard to some extent.

In view of the above, it is necessary to consider the internal humidity of the relay protector itself so that the relay protector can operate for a longer time.

2. The existing humidity relay protector has a fault on a circuit or after the power of a transformer box is cut off, a worker in charge of maintenance cannot find and handle problems in time, and inconvenience is brought to places needing power.

3. After the conventional humidity relay protector performs power-off protection on the humidity relay protector, when the humidity index in a transformer box reaches a normal value, an opened switch cannot fall automatically, so that poor line contact is caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an intelligent humidity relay protector for a transformer box, which solves the problem that the relay protector is not considered to be wet in the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme: an intelligent humidity relay protector for a transformer box comprises a main body, a dehumidifier, a control panel and a base, wherein the dehumidifier is installed on the inner wall of one side of the main body, the outer wall of one side of the dehumidifier extends to the outside of the main body, the embedded control panel is arranged on the outer wall of one side of the main body, the dehumidifier is positioned in front of the control panel, and the base is installed on the top wall of the main body;

the dehumidifier is including flabellum, outlet pipe, scattered wind gap and humidity transducer, one side outer wall of dehumidifier is provided with the scattered wind gap, humidity transducer is installed to the opposite side outer wall symmetry of dehumidifier, and humidity transducer is located the inside of main part, the internally mounted of dehumidifier has the flabellum, the bottom of dehumidifier is connected with the outlet pipe, and the tail end of outlet pipe extends to the outside of main part.

The LED of three different colours of group is installed to one side outer wall of control panel, the display screen is installed to one side outer wall of control panel, and the display screen is located LED's below, signal processor is installed to control panel's opposite side outer wall, and signal processor is located the inside of main part.

The brush motor is installed to the bottom of base, the output that has the brush motor is connected with electric telescopic handle, and electric telescopic handle is located the one side that has the brush motor, embedded pressure sensor is installed to electric telescopic handle's bottom.

The utility model discloses a humidity sensor, including main part, storage box, magnet, connecting rod, iron spring, magnet ring, connecting rod, iron spring, the opposite side outer wall of main part is provided with two sets of symmetrical arrangement's No. two humidity sensor, No. two humidity sensor and electromagnetic coil electric connection.

The dehumidifier is characterized in that a water storage tank is detachably connected to the outer wall of one side of the main body and is located below the dehumidifier, a water inlet is formed in the top of the water storage tank, the tail end of the water outlet pipe extends into the water inlet, and a water outlet is formed in the bottom of the water storage tank.

The internally mounted of main part has the diaphragm, the top of diaphragm is installed a set of symmetrical arrangement's the seat that bears, bear the top of seat and install the bridge type contact, the ampere meter is installed on the top of diaphragm, and the ampere meter is located the one side that bears the seat, the top of diaphragm is provided with the notch, and the notch is located the centre that bears the seat, the size of notch is greater than the size of connecting rod.

The handle is installed on the front of main part, the back of main part is provided with the thermovent.

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

1. according to the utility model, the dehumidifier and the humidity sensor are arranged, when the humidity in the relay protector is too high, the humidity sensor sends a signal to the dehumidifier, the dehumidifier starts to work, the fan blades rotate, humid air is pumped out and blown out from the air dispersing opening, and a part of moisture can be condensed into small water drops and is discharged from the water outlet pipe, so that the air in the relay protector becomes dry, and the problem that the relay protector breaks down due to the influence of the moisture is avoided.

2. The utility model is provided with a humidity sensor, a current meter and a control panel, wherein the control panel comprises a light-emitting diode, a display screen and a signal processor, when the moisture index in the transformer box rises to a certain threshold value, power-off protection is carried out, no current passes through the ammeter at the moment, the ammeter is in open circuit, the yellow light-emitting diode is lightened, an alarm signal is sent to supervision equipment of supervision personnel through the signal processor, when the moisture index is normal, no current passes through the ammeter, and a short-circuit fault occurs in the circuit, the red light-emitting diode lights up, an alarm signal is sent by the signal processor, so that a maintainer can repair the circuit conveniently in the first time, when the moisture index is normal, there is the electric current in ampere meter department, and green emitting diode lights, shows normal operating, can make the staff the very first time know the state of transformer case, can arrive the scene fast and solve when the emergence problem.

3. According to the utility model, the base, the brush motor, the pressure sensor and the electric telescopic rod are arranged, when the moisture relay protector carries out power-off protection, the connecting rod can push the bridge type contact open, the pressure sensor on the electric telescopic rod senses pressure at the moment, when the moisture index in the transformer box reaches a normal value, the connecting rod retracts, the pressure sensor cannot sense the pressure, and under the change of the pressure, the brush motor is started to drive the electric telescopic rod to move downwards so as to push the bridge type contact to be closed, so that the circuit is recovered to be normal, the circuit is convenient and fast, the power-off recovery can be automatically realized, and the time and the labor are saved.

Drawings

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

FIG. 2 is a partial cross-sectional view of the present invention;

FIG. 3 is a schematic view of an assembly structure of a control panel, a water storage tank and a dehumidifier of the present invention;

FIG. 4 is a schematic view of an assembly structure of the base, the brush motor, the pressure sensor and the electric telescopic rod of the present invention;

FIG. 5 is a schematic view of an assembly structure of the storage box, the connecting rod, the electromagnetic coil, the iron spring and the magnet humidity sensor according to the present invention.

In the figure: 1. a main body; 101. a handle; 102. a heat dissipation port; 2. a dehumidifier; 201. a fan blade; 202. a water outlet pipe; 203. an air diffuser; 204. a first humidity sensor; 3. a storage box; 301. a connecting rod; 302. an electromagnetic coil; 303. an iron spring; 304. a magnet; 305. a second humidity sensor; 4. a transverse plate; 401. a bridge contact; 402. a bearing seat; 403. an ammeter; 404. a notch; 5. a water storage tank; 501. a water inlet; 502. a water outlet; 6. a control panel; 601. a light emitting diode; 602. a display screen; 603. a signal processor; 7. a base; 701. a brush motor; 702. a pressure sensor; 703. an electric telescopic rod.

Detailed Description

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

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 2, fig. 4 and fig. 5, an embodiment of the present invention: an intelligent humidity relay protector for a transformer substation comprises a storage box 3, a transverse plate 4 and a base 7, wherein the storage box 3 is installed on the inner wall of the other side of a main body 1, a magnet 304 is installed on the inner surface of the storage box 3, an electromagnetic ring 302 is installed inside the storage box 3, a connecting rod 301 is installed inside the electromagnetic ring 302 in a penetrating mode, two ends of the connecting rod 301 are located outside the electromagnetic ring 302, an iron spring 303 is sleeved on the bottom surface of the connecting rod 301, two sets of symmetrically arranged second humidity sensors 305 are arranged on the outer wall of the other side of the main body 1, the second humidity sensors 305 are electrically connected with the electromagnetic ring 302, when the second humidity sensors 305 sense that the humidity index in the transformer substation rises to a threshold value, the second humidity sensors 305 send electric signals to be connected with the electromagnetic ring 302, at the moment, the electromagnetic ring 302 is electrified, and magnetic force is generated between the second humidity sensors 304 on the inner wall of the storage box 3, at this time, the iron spring 303 is attracted, the connecting rod 301 is driven to move forwards, the connecting rod 301 extends into the notch 404 to push the bridge contact 401, the operation of disconnecting the circuit connection is realized, the transverse plate 4 is installed inside the main body 1, the top of the transverse plate 4 is provided with the group of symmetrically arranged bearing seats 402, the bridge contact 401 is installed at the top of the bearing seat 402, the ammeter 403 is installed at the top end of the transverse plate 4, the ammeter 403 is located on one side of the bearing seat 402, the notch 404 is arranged at the top of the transverse plate 4 and located in the middle of the bearing seat 402, the size of the notch 404 is larger than that of the connecting rod 301, the bearing seat 402 is installed on the transverse plate 4, the connecting rod 301 can not shake randomly when the power-off protection is carried out, the stability is maintained, the notch 404 is arranged so that the connecting rod 301 can pass through the notch 404 when the circuit is disconnected, the bridge contact 401 is pushed away, and the purpose of power-off protection is achieved, an ammeter 403 is connected in series in a circuit, so that the operating state of a circuit can be fed back conveniently, a base 7 is installed on the top wall of a main body 1, a brush motor 701 is installed at the bottom of the base 7, an electric telescopic rod 703 is connected to the output end of the brush motor 701, the electric telescopic rod 703 is located on one side of the brush motor 701, an embedded pressure sensor 702 is installed at the bottom of the electric telescopic rod 703, when a connecting rod 301 pushes the bridge contact 401 upwards, the bridge contact 401 can touch the electric telescopic rod 703, the pressure sensor 702 at the bottom of the electric telescopic rod 703 senses stable pressure, when the moisture value returns to normal, the second humidity sensor 305 is disconnected with the electromagnetic ring 302, the connecting rod 301 retracts under the driving of an iron spring 303, the pressure sensor 702 senses the pressure value to change, the changed pressure index is converted into an electric signal, and the brush motor 701 is started, the electric telescopic rod 703 is driven to push the bridge contact 401 downwards until the circuit is completely closed, and then the electric telescopic rod 703 is retracted to the initial position.

As shown in attached figures 1 and 3, the intelligent humidity relay protector for the transformer box comprises a dehumidifier 2, a water storage tank 5, a main body 1 and a control panel 6, wherein the dehumidifier 2 is installed on the inner wall of one side of the main body 1, the outer wall of one side of the dehumidifier 2 extends to the outside of the main body 1, the dehumidifier 2 comprises fan blades 201, a water outlet pipe 202, an air dispersing port 203 and a humidity sensor 204, the air dispersing port 203 is arranged on the outer wall of one side of the dehumidifier 2, the humidity sensor 204 is symmetrically installed on the outer wall of the other side of the dehumidifier 2, the humidity sensor 204 is positioned in the main body 1, the fan blades 201 are installed in the dehumidifier 2, the bottom of the dehumidifier 2 is connected with the water outlet pipe 202, the tail end of the water outlet pipe 202 extends to the outside of the main body 1, the outer wall of one side of the main body 1 is detachably connected with the water storage tank 5, the water storage tank 5 is positioned below the dehumidifier 2, and the top of the water storage tank 5 is provided with a water inlet 501, and the tail end of the outlet pipe 202 extends into the water inlet 501, the bottom of the water storage tank 5 is provided with a water outlet 502, when the humidity sensor 204 on the dehumidifier 2 senses that the humidity index in the humidity relay protector reaches a threshold value, the dehumidifier 2 starts to work, the humidity can be condensed into water and flows out through the outlet pipe 202, and because the outlet pipe 202 is connected to the water inlet 501, finally discharged water can be stored in the water storage tank 5 through the water inlet 501, when a worker needs to maintain the transformer substation, the water storage tank 5 can be detached, the water is discharged from the water outlet 502, and then the water storage tank 5 is installed in situ.

The outer wall of one side of the main body 1 is provided with an embedded control panel 6, the dehumidifier 2 is positioned in front of the control panel 6, the outer wall of one side of the control panel 6 is provided with three groups of light emitting diodes 601 with different colors, the outer wall of one side of the control panel 6 is provided with a display screen 602, the display screen 602 is positioned below the light emitting diodes 601, the outer wall of the other side of the control panel 6 is provided with a signal processor 603, the signal processor 603 is positioned in the main body 1, the second humidity sensor 305 can display the sensed humidity index on the display screen 602 so as to compare the change condition of the humidity index, when the humidity index in the transformer box rises to a certain threshold value, power-off protection is carried out, at the moment, no current passes through the ammeter 403, the ammeter is in circuit-off, the yellow light emitting diodes 601, and then an alarm signal is sent to the supervision equipment of a supervision personnel through the signal processor 603, when the moisture index is normal, the ammeter 403 has no current, the line has a short-circuit fault, the red light-emitting diode is turned on 601 at the moment, the signal processor 603 sends an alarm signal, and a maintainer can repair the red light-emitting diode conveniently in the first time.

Handle 101 is installed on the front of main part 1, and the back of main part 1 is provided with thermovent 102, pulls open handle 101, and the staff of being convenient for carries out the unpacking inspection to humidity relay protection ware, and thermovent 102 is for preventing the inside high temperature of humidity relay protection ware.

The working principle is as follows: when the humidity relay protector is used, the humidity relay protector is placed in a power transformation box, when the humidity sensor 204 senses that the moisture index in the humidity relay protector reaches a threshold value, the dehumidifier 2 starts to work, moisture can be condensed into water and flows out through the water outlet pipe 202, the water outlet pipe 202 is connected to the water inlet 501, finally discharged water can be stored in the water storage tank 5 through the water inlet 501, when a worker needs to maintain the power transformation box, the water storage tank 5 can be detached, water is discharged from the water outlet 502, and then the water storage tank 5 is installed in the original place;

the second humidity sensor 305 displays a humidity index on the display screen 602, when a moisture value inside the power transformation box reaches a threshold value, the second humidity sensor 305 sends an electric signal to be connected with the electromagnetic coil 302, at the moment, the electromagnetic coil 302 is electrified, magnetic force is generated between the electromagnetic coil 302 and the magnet 304 on the inner wall of the storage box 3, at the moment, the iron spring 303 is attracted, the connecting rod 301 is driven to move forwards and extends into the notch 404 to push the bridge contact 401, so that the circuit connection is disconnected, when the connecting rod 301 pushes the bridge contact 401 away, the bridge contact 401 can touch the electric telescopic rod 703 above the bridge contact 401, at the moment, the pressure sensor 702 at the bottom of the electric telescopic rod 703 feels pressure, after the circuit is disconnected, no current passes through the ammeter 403, at the moment, the yellow light-emitting diode 601 is turned on, and the circuit is disconnected;

when the moisture index in the transformer box returns to normal, the second humidity sensor 305 is disconnected from the electromagnetic coil 302, the iron spring 303 retracts to drive the connecting rod 301 to move backwards, the bridge contact 401 does not necessarily fall back to the bearing seat 402, the pressure sensed by the pressure sensor 702 changes, the pressure sensor 702 sends an electric signal, the brush motor 701 is started to drive the electric telescopic rod 703 to move downwards so as to push the bridge contact 401 to return to the initial position, the electric telescopic rod 703 does not receive the external pressure, the pressure sensed by the pressure sensor 702 is not changed all the time, the electric telescopic rod 703 retracts to the initial position, when the circuit is connected, the current passes through the ammeter 403, the green light emitting diode 601 lights to indicate normal operation, otherwise, if no current flows, the red light emitting diode 601 lights, the signal processor 603 sends an alarm signal to the general receiving place to remind maintenance personnel to check and maintain as soon as possible.

The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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

1. The utility model provides a transformer case is with intelligent humidity relay protector, includes main part (1), dehumidifier (2), control panel (6) and base (7), its characterized in that: the dehumidifier (2) is installed on the inner wall of one side of the main body (1), the outer wall of one side of the dehumidifier (2) extends to the outside of the main body (1), the embedded control panel (6) is arranged on the outer wall of one side of the main body (1), the dehumidifier (2) is positioned in front of the control panel (6), and the top wall of the main body (1) is provided with a base (7);

dehumidifier (2) are including flabellum (201), outlet pipe (202), scattered wind mouth (203) and humidity transducer (204), one side outer wall of dehumidifier (2) is provided with scattered wind mouth (203), humidity transducer (204) are installed to the opposite side outer wall symmetry of dehumidifier (2), and humidity transducer (204) are located the inside of main part (1), the internally mounted of dehumidifier (2) has flabellum (201), the bottom of dehumidifier (2) is connected with outlet pipe (202), and the tail end of outlet pipe (202) extends to the outside of main part (1).

2. The intelligent humidity relay protector for the transformer substation box according to claim 1, characterized in that: LED (601) of three different colours are installed to one side outer wall of control panel (6), display screen (602) are installed to one side outer wall of control panel (6), and display screen (602) are located the below of LED (601), signal processor (603) are installed to the opposite side outer wall of control panel (6), and signal processor (603) are located the inside of main part (1).

3. The intelligent humidity relay protector for the transformer substation box according to claim 1, characterized in that: the brush motor (701) is installed to the bottom of base (7), the output that has brush motor (701) is connected with electric telescopic handle (703), and electric telescopic handle (703) are located the one side that has brush motor (701), embedded pressure sensor (702) is installed to the bottom of electric telescopic handle (703).

4. The intelligent humidity relay protector for the transformer substation box according to claim 1, characterized in that: storage box (3) are installed to the opposite side inner wall of main part (1), the internal surface mounting of storage box (3) has magnet (304), the internally mounted of storage box (3) has electromagnetic ring (302), the inside of electromagnetic ring (302) is run through and is installed connecting rod (301), and the both ends of connecting rod (301) all are located the outside of electromagnetic ring (302), iron spring (303) have been cup jointed on the bottom surface of connecting rod (301), the opposite side outer wall of main part (1) is provided with No. two humidity transducer (305) of two sets of symmetrical arrangement, No. two humidity transducer (305) and electromagnetic ring (302) electric connection.

5. The intelligent humidity relay protector for the transformer substation box according to claim 1, characterized in that: the dehumidifier is characterized in that a water storage tank (5) is detachably connected to the outer wall of one side of the main body (1), the water storage tank (5) is located below the dehumidifier (2), a water inlet (501) is formed in the top of the water storage tank (5), the tail end of the water outlet pipe (202) extends into the water inlet (501), and a water outlet (502) is formed in the bottom of the water storage tank (5).

6. The intelligent humidity relay protector for the transformer substation box according to claim 1, characterized in that: the internally mounted of main part (1) has diaphragm (4), a set of symmetrical arrangement's the seat (402) that bears is installed at the top of diaphragm (4), bridge type contact (401) are installed to the top of bearing seat (402), ampere meter (403) are installed on the top of diaphragm (4), and ampere meter (403) are located the one side of bearing seat (402), the top of diaphragm (4) is provided with notch (404), and notch (404) are located the centre of bearing seat (402), the size of notch (404) is greater than the size of connecting rod (301).

7. The intelligent humidity relay protector for the transformer substation box according to claim 1, characterized in that: the handle (101) is installed on the front of main part (1), the back of main part (1) is provided with thermovent (102).