Transformer station electric power operation and maintenance safety monitoring alarm device

Abstract

The invention discloses a transformer substation electric power operation and maintenance safety monitoring alarm device which comprises a cabinet body, heat dissipation holes are formed in a cabinet door of the cabinet body, a guide rail is arranged in the cabinet body, a detachable layer plate is arranged on the guide rail, and a water accumulation assembly provided with a supporting frame and a water collection hopper is fixed to the bottom of the cabinet body through fixing lugs, inserting keys and grooves. Two probes are arranged on a water immersion sensor in the alarm device, the water immersion sensor is fixed in a water storage cavity of the shell through a hanging groove and a hanging plate which are arranged on the shell, and when water enters the power cabinet, accumulated water entering the power cabinet is concentrated through a water collecting hopper and flows into the water storage cavity of the shell, so that the water immersion sensor is prevented from being damaged. Accumulated water is detected through the water immersion sensor with the two probes arranged in the shell, and after the accumulated water overflows the two probes, the two probes are connected with the accumulated water as a conductor, so that water immersion alarm is given out, and the water immersion alarm is greatly reduced.

Description

Technical Field

[0001] The present invention relates to the technical field of power cabinet safety monitoring, and in particular to a substation power operation and maintenance safety monitoring and alarm device. Background Art

[0002] In the operation and maintenance of power substations, the application of safety monitoring and alarm devices is of great significance. First, it can timely discover and deal with potential safety hazards, avoid accidents, and ensure the safe and stable operation of the power system. Secondly, through real-time monitoring and data analysis, operation and maintenance personnel can more accurately understand the operating status of the equipment, formulate reasonable maintenance plans, and improve the reliability and service life of the equipment. Finally, the application of safety monitoring and alarm devices can also improve operation and maintenance efficiency, reduce operation and maintenance costs, and provide strong support for the sustainable development of power companies.

[0003] At present, the power operation and maintenance safety monitoring and alarm devices of substations are mostly composed of cameras, temperature and humidity detectors, water immersion detectors, smoke detectors and access control. The cameras are installed at designated locations in the substation, while the temperature and humidity detectors, water immersion detectors, smoke detectors and access control are installed in different locations according to their uses.

[0004] Among them, the water immersion sensor is as described in patent number CN108981844A, and the controller is electrically connected to the wireless transceiver, the display screen and the alarm light respectively, and the wireless transceiver is wirelessly connected to the mobile phone. A memory is installed in the cabinet, and the memory is electrically connected to the controller. The front end of the cabinet is hingedly connected to the cabinet door, and a water retaining cap is provided at the upper end of the cabinet. The water accumulation alarm device of this invention has a liquid level sensor and a humidity sensor in the cabinet. When there is water accumulation or the humidity is relatively high, the information will be sent to the staff's mobile phone through a wireless transceiver, so that the staff can perform maintenance and repairs in time to avoid serious damage to the cabinet. The GPS locator is convenient for the staff to identify the location of the alarm cabinet. Therefore, the staff does not need to patrol all the time, and can just deal with the alarm, which reduces the labor intensity; or as listed in patent number CN208688604U, a water accumulation detection alarm device based on the foundation of the power cabinet is opened, and the water accumulation detection alarm device includes: multiple first wire units, multiple second wire units, multiple alarm display devices, and a power supply; when the water level in the foundation of the power cabinet reaches a certain height, the two first wires of each of the first wire units immersed in the water are short-circuited, thereby forming a closed loop. At this time, the alarm display device corresponding to each of the first wire units is lit, and the patrol personnel can determine the depth of the water accumulation in the foundation of the power cabinet according to the lit alarm display device.

[0005] As mentioned above, most of the existing devices place the water immersion sensor at the bottom of the power cabinet and then place a sensor with a certain height difference. When the power cabinet is flooded and the two sensors are flooded, the circuit is connected or short-circuited and an alarm is issued to complete the water immersion alarm. However, this method requires a certain delay in the water ingress alarm of the power equipment, and the water immersion of the power cabinet is often caused by the superposition of multiple factors. It may be impossible to timely feedback the water ingress situation of the power cabinet. If there is no timely inspection, the electrical components may be damaged due to excessive humidity in the power cabinet or the best repair time may be missed, resulting in damage to the power system and endangering the safe and stable operation of the power network. Summary of the invention

[0006] The present invention provides a substation power operation and maintenance safety monitoring and alarm device. The main facilities are designed as a water accumulation component and an alarm component. The water accumulation component is installed at the bottom of the power cabinet. A water collecting bucket is used to collect water immersed in the power cabinet and store it in a water storage chamber. When the water in the water storage chamber floods the probe of the water immersion sensor fixed in the shell, the two probes are connected with the accumulated water as a conductor to send out a water immersion alarm, thereby realizing a rapid response to the water immersion alarm.

[0007] To achieve the above object, the present invention provides the following technical solutions:

[0008] A substation power operation and maintenance safety monitoring alarm device, the water accumulation component includes a support frame and a water collecting bucket detachably mounted on the bottom of the support frame, a threaded groove is provided at the bottom center of the water collecting bucket, and an alarm component for detecting water accumulation in a power cabinet is fixedly mounted in the threaded groove by threaded fitting;

[0009] The alarm component includes a shell threadedly installed in a threaded groove, a water storage chamber is opened in the shell, and a water immersion sensor is installed in the bottom center of the water storage chamber, locking components for locking the water immersion sensor are hung on both sides of the water storage chamber, and probes located in the corresponding locking components are arranged on both sides of the top of the water immersion sensor.

[0010] The present invention completes the setting of power equipment through the power cabinet. When water ingress occurs, the accumulated water entering the power cabinet is concentrated through the water collecting bucket to flow into the shell, so that the accumulated water is detected by a water immersion sensor with two probes in the shell. When the accumulated water overflows the two probes, the two probes are connected with the accumulated water as a conductor, thereby issuing a water immersion alarm, realizing the water ingress alarm for the power equipment. The water accumulation concentration structure is adopted, which effectively reduces the delay of the water ingress alarm, and can timely feedback the water ingress situation of the power cabinet in the substation.

[0011] Preferably, the locking assembly comprises a V-shaped locking frame arranged in the water storage cavity, and the V-shaped locking frame abuts against the top of the water immersion sensor.

[0012] Preferably, both ends of the V-shaped locking frame are jointly constructed with a hanging plate, and both sides of the water storage cavity are provided with hanging grooves, and the hanging plates are hung in the corresponding hanging grooves.

[0013] Preferably, one end of the water collecting bucket is equidistantly configured with a plurality of insertion keys, and the other end of the water collecting bucket is symmetrically configured with two fixing ears.

[0014] Preferably, one end of the support frame is equidistantly provided with a plurality of slots for corresponding insertion of the keys, and the other end of the support frame is symmetrically provided with two grooves for the fixing ears to snap into, and the fixing ears are provided with fixing bolts threadedly connected to the support frame.

[0015] Preferably, a cabinet door is hingedly installed on one side of the power cabinet, and two guide rails are symmetrically installed on both sides of the power cabinet, and a number of layer plates are equidistantly arranged between the four guide rails arranged opposite to each other.

[0016] Preferably, the intervals between the layers on the guide rails can be adjusted as needed to meet the space requirements for installing different devices.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] 1. The power cabinet uses a water collection bucket to collect the water immersed in the power cabinet through the design of water accumulation components. By enriching the immersed water, the alarm can react faster, effectively reducing the reaction time of the alarm when it is immersed in water;

[0019] 2. The power cabinet uses a water sensor with two probes in the shell to detect water accumulation. When the water overflows the two probes, the two probes are connected with the water as a conductor, so that the alarm can quickly issue a water immersion alarm, allowing maintenance personnel to quickly carry out maintenance, greatly improving the alarm speed of water immersion in the power cabinet;

[0020] 3. The power cabinet uses two locking components to position the water immersion sensor, and uses two V-shaped locking frames to protect the probe, to prevent heavy objects from falling and damaging the water immersion sensor and the two probes on the water immersion sensor, or debris from accidentally connecting the probe and causing the water immersion sensor to sound an alarm. The cabinet is connected by a mounting plate and a mounting slot, which is easy to disassemble during maintenance, simplifying the difficulty of maintenance and reducing the cost of routine maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0022] Figure 2 It is a schematic diagram of the internal structure of the present invention;

[0023] Figure 3 It is a structural schematic diagram of the water accumulation component in the present invention;

[0024] Figure 4 It is a schematic diagram of the structure of the water accumulation component in the present invention in a disassembled state;

[0025] Figure 5 It is a schematic diagram of the disassembly of the alarm component in the present invention. Description of the drawings:

[0027] 1. Power cabinet; 2. Water accumulation component; 3. Alarm component; 4. Cabinet door; 5. Guide rail; 6. Shelf; 7. Heat dissipation hole;

[0028] 201, support frame; 202, water collecting bucket; 203, key; 204, fixing ear; 205, slot; 206, groove;

[0029] 301, housing; 302, water storage chamber; 303, water immersion sensor; 304, probe; 305, V-shaped locking frame; 306, mounting plate; 307, mounting slot. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0031] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. The present invention is described in detail in conjunction with the schematic diagram. When describing the embodiments of the present invention in detail, for the sake of convenience, the cross-sectional view showing the device structure will not be partially enlarged according to the general proportion, and the schematic diagram is only an example, which should not limit the scope of protection of the present invention. In addition, in actual production, the three-dimensional spatial dimensions of length, width and depth should be included. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0032] like Figure 1 Figure 2As shown, the present invention relates to a substation power operation and maintenance safety monitoring and alarm device, including a power cabinet 1 and a water accumulation component 2 arranged at the bottom of the power cabinet 1, a cabinet door 4 is hingedly installed on one side of the power cabinet 1, and two guide rails 5 are symmetrically installed on both sides of the power cabinet 1, and a number of layer plates 6 are equidistantly arranged between the four guide rails 5 arranged opposite to each other, and the spacing between the layer plates 6 can be adjusted by the guide rails 5 to adapt to the space required for the installation of different electronic components, wherein the shell of the power cabinet 1 can protect the electronic components inside it, and the cabinet door of the power cabinet 1 is provided with heat dissipation holes 7, through the heat dissipation holes 7, the inside of the power cabinet 1 can exchange gas with the outside, and the moisture inside the power cabinet 1 can be removed to prevent the moisture from affecting the service life of the parts inside the power cabinet 1.

[0033] In addition, the water accumulation component 2 arranged at the bottom of the power cabinet 1 is fixed at the bottom of the power cabinet. When the electronic components in the power cabinet are in working state, they often release a certain amount of heat. The speed at which this heat diffuses to the outside of the power cabinet 1 through heat conduction is very slow, which often causes the temperature inside the power cabinet to be higher than the outside, resulting in small condensed water droplets outside the power cabinet 1. Therefore, the humidity near the power cabinet 1 is often high. In the complex power cabinet installation environment, the external environment temperature, air, etc. are different at different times of the day, which often causes external moisture to enter the power cabinet 1 through the gaps in the power cabinet. Condensed into small water droplets, the small water droplets gather at the bottom of the power cabinet 1 and cause the power cabinet to be soaked. If the bottom of the power cabinet is only welded, water vapor will enter the power cabinet 1 through the gap at the bottom of the power cabinet 1, causing the humidity in the power cabinet 1 to be too high, affecting the service life of the electronic components inside the power cabinet 1. Therefore, it is necessary to use non-coagulable silica gel mud and other materials to seal the gap at the bottom of the power cabinet 1 to prevent moisture from entering the bottom. At the same time, regularly check the sealing of the distribution box. If the sealing strip is damaged or loses its elasticity, replace it in time to avoid damage to electrical components due to sealing problems.

[0034] like Figure 2 , Figure 3 , Figure 4 and Figure 5As shown, in the implementation example of the power cabinet, in order to reduce the delay of the water inlet alarm, the water accumulation component 2 includes a support frame 201 and a water collecting bucket 202 detachably mounted on the bottom of the support frame 201. Through the support frame 201 and the detachable water collecting bucket 202, if the power cabinet 1 issues a water flooding alarm due to the water immersion sensor 303 being flooded, the water accumulated in the water collecting bucket 202 can be cleaned by disassembling the mounting plate 306 during maintenance, and the water immersion sensor 306 can be cleaned and reinstalled to make the alarm component work again. When there is no water accumulation in the water collecting bucket 202 but the water immersion sensor 303 fails, causing the water immersion sensor 303 to issue a water immersion alarm, the water immersion sensor 303 can be removed by disassembling the mounting plate 306 for maintenance. A threaded groove is provided at the center of the bottom end of the water collecting bucket 202, and an alarm component 3 for detecting water accumulation is installed in the threaded groove in cooperation with the thread. The alarm component 3 includes a shell 301 threadedly installed in the threaded groove, a water storage chamber 302 is provided in the shell 301, and a water immersion sensor 303 is provided at the center of the bottom end of the water storage chamber 302, locking components for locking the water immersion sensor 303 are mounted on both sides of the water storage chamber 302, and probes 304 located in the corresponding locking components are provided on both sides of the top of the water immersion sensor 303. The setting of the power equipment is completed through the power cabinet 1. When water ingress occurs, the accumulated water entering the power cabinet 1 is concentrated through the water collecting bucket 202 and flows into the shell 301, so that the accumulated water is detected by the water immersion sensor 303 with two probes 304 in the shell 301. When the accumulated water overflows the two probes 304, the two probes 304 are connected with the accumulated water as a conductor, thereby issuing a water immersion alarm, realizing the water ingress alarm for the power equipment, and adopting the water concentration structure, which effectively reduces the delay of the water ingress alarm, and can timely feedback the water ingress situation of the power cabinet in the substation.

[0035] like Figure 5 As shown, in the embodiment of the present invention, in order to facilitate disassembly during maintenance and ensure protection and convenience, the locking assembly includes a V-shaped locking frame 305 arranged in the water storage chamber 302, the V-shaped locking frame 305 abuts against the top of the immersion sensor 303, and the two ends of the V-shaped locking frame 305 are jointly constructed with a hanging plate 306, and both sides of the water storage chamber 302 are provided with hanging grooves 307, and the hanging plate 306 is hung in the corresponding hanging groove 307, and the positioning of the immersion sensor 303 is achieved through two locking assemblies, and the protection of the probe 304 is completed through the two V-shaped locking frames 305, so as to avoid the problem of heavy objects falling and damaging the immersion sensor 303 and the two probes 304 on the immersion sensor 303, and the hanging plate 306 is hung and connected with the hanging groove 307, which is convenient for disassembly during maintenance, and has high protection and convenience.

[0036] like Figure 3, Figure 4 As shown, in the embodiment of the present invention, in order to facilitate disassembly during subsequent maintenance, one end of the water collecting bucket 202 is equidistantly configured with a plurality of keys 203, and the other end of the water collecting bucket 202 is symmetrically configured with two fixing ears 204, one end of the support frame 201 is equidistantly configured with a plurality of slots 205 for corresponding insertion of the keys 203, and the other end of the support frame 201 is symmetrically configured with two grooves 206 for the fixing ears 204 to be inserted, and the fixing ears 204 are provided with fixing bolts threadedly connected to the support frame 201. By setting the plurality of keys 203 at one end of the water collecting bucket 202, the fixing ears 204 are symmetrically configured with two fixing ears 204 to be inserted. Insert the keys 203 into the multiple slots 205 on the support frame 201, then insert the two fixing ears 204 on the water collecting bucket 202 into the two grooves 206 on the support frame 201, and then tighten the fixing bolts to complete the fixing of the water collecting bucket 202 to the bottom of the support frame 201. The present invention adopts a split setting, and each component at the bottom of the power cabinet 1 can be disassembled to varying degrees, and the gaps between each component are filled with non-coagulating materials such as silicone mud to increase the air tightness of the device. While ensuring the air tightness of each device, it can make the device easier to disassemble, which is convenient for disassembly during subsequent maintenance.

[0037] Working principle: This embodiment provides a substation power operation and maintenance safety monitoring and alarm device. When in use, first install the layer plate 6 on the guide rail 5 fixed on the side wall of the power cabinet 1, fix the power equipment on the layer plate to ensure the normal operation of the power cabinet, and first use the mounting plate 306 to fix the water immersion sensor 303 in the shell 301, and then install it in the middle of the water collecting bucket 202 of the water accumulation component 2, and use non-coagulating silica gel and other materials to fill the gaps between the components to increase the air tightness of the device. The support frame 201 is fixed to the bottom of the power cabinet 1, so that the power equipment is installed on multiple layer plates 6 in the power cabinet 1, and the cabinet door 4 is closed to complete the protection of the power equipment. When the power cabinet 1 has a water ingress problem, the accumulated water entering the power cabinet 1 is passed through the water collecting channel 202 of the water collection component 2. The water is concentrated by the water collecting bucket 202, and the water enriched in the water collecting bucket 202 flows into the shell 301. The water flowing into the water storage chamber 302 in the shell 301 through the water collecting bucket 202 causes the water level in the water storage chamber to gradually rise, so that the accumulated water is detected by the water immersion sensor 303 with two probes 304 in the shell 301. When the accumulated water overflows the two probes 304, the two probes 304 are connected with the accumulated water as a conductor, thereby sending a water immersion alarm to the management system, realizing the water ingress alarm for the power equipment. After the alarm ends, the water enriched in the water collecting bucket 202 can be cleaned by disassembling the mounting plate 306, and the water immersion sensor 306 can be cleaned and reinstalled to make the alarm component 3 work again, thereby realizing the protection of the electrical components in the power cabinet.

[0038] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

Claims

1. A substation power operation and maintenance safety monitoring and alarm device, comprising a power cabinet (1), characterized in that: The power cabinet (1) comprises a water accumulation component (2), an alarm component (3), a cabinet door (4), a guide rail (5), a layer plate (6), and a heat dissipation hole (7). The power cabinet (1) is provided with a cabinet door (4), and the cabinet door (4) is provided with heat dissipation holes (7) at the top and bottom. A guide rail (5) is fixed to the inner wall of the power cabinet (1), and a plurality of layer plates (6) are provided on the guide rail (5). The bottom of the power cabinet is provided with a water accumulation component (2), and the alarm component (3) is installed in the middle of the water accumulation component (2); The water collection assembly (2) comprises a support frame (201), a water collection bucket (202), a key (203), a fixing ear (204), a slot (205) and a groove (206); The alarm component (3) comprises a housing (301), a water storage chamber (302), a water immersion sensor (303), a probe (304), a V-shaped locking frame (305), a mounting plate (306) and a mounting groove (307).

2. A substation power operation and maintenance safety monitoring and alarm device according to claim 1, characterized in that: The support frame (201) is fixed to the bottom of the power cabinet (1), and a water collecting bucket (202) is fixedly installed in the middle of the support frame (201).

3. A substation power operation and maintenance safety monitoring and alarm device according to claim 2, characterized in that: Two grooves (206) are arranged below one side of the support frame (201), and three slots (205) are arranged below the other side of the groove (206) on the support frame (201).

4. A substation power operation and maintenance safety monitoring and alarm device according to claim 3, characterized in that: Three insertion keys (203) are evenly distributed on one side of the water collecting bucket (202), and fixing ears (204) corresponding to the insertion keys (203) are arranged on the other side of the water collecting bucket (202).

5. A substation power operation and maintenance safety monitoring and alarm device according to claim 4, characterized in that: The water collecting bucket (202) is fixed on the supporting frame (201) by connecting the fixing ear (204) with the insertion slot (206).

6. A substation power operation and maintenance safety monitoring and alarm device according to claim 5, characterized in that: The housing (301) is fixedly installed in the middle of the water hopper (302); a water storage chamber (302) is provided in the middle of the housing (301); a water immersion sensor (303) is provided in the middle of the water storage chamber (302); and the water immersion sensor (303) is fixedly installed in the water storage chamber (302) via a mounting plate (306).

7. A substation power operation and maintenance safety monitoring and alarm device according to claim 6, characterized in that: The alarm component (3) has two opposite hanging grooves (307) formed inside the housing.

8. A substation power operation and maintenance safety monitoring and alarm device according to claim 7, characterized in that: Two opposing probes (304) are fixed on the water immersion sensor (303).

9. A substation power operation and maintenance safety monitoring and alarm device according to claim 8, characterized in that: The mounting plate (306) fixes the water sensor (303) in the water storage chamber (302) in the housing (301) via a V-shaped locking frame (305), and the two probes (304) on the water sensor (303) are respectively fixed under the two mounting plates (306).

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