CN211046195U - Multifunctional direct current screen - Google Patents
Multifunctional direct current screen Download PDFInfo
- Publication number
- CN211046195U CN211046195U CN201922390732.7U CN201922390732U CN211046195U CN 211046195 U CN211046195 U CN 211046195U CN 201922390732 U CN201922390732 U CN 201922390732U CN 211046195 U CN211046195 U CN 211046195U
- Authority
- CN
- China
- Prior art keywords
- direct current
- current screen
- electromagnetic relay
- main body
- screen main
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The utility model belongs to the technical field of the direct current screen, especially, multi-functional direct current screen, including the direct current screen main part, the front of direct current screen main part articulates there is the cabinet door, is provided with the power supply line in the direct current screen main part, and one end electric connection of power supply line has electromagnetic relay's output, and electromagnetic relay's input is connected with the power cord, and the other end of power cord is connected with the plug, and the side of direct current screen main part is installed electromagnetic relay control box, installs atmospheric pressure altitude sensor, temperature sensor and humidity transducer on the electromagnetic relay control box; if the height detected by the air pressure height sensor exceeds 2500 meters, the electromagnetic relay is disconnected; if the temperature detected by the temperature sensor is higher than 45 ℃ or lower than-15 ℃, the electromagnetic relay is disconnected; if the maximum relative humidity of the air detected by the humidity sensor exceeds 90%, the electromagnetic relay is disconnected; the utility model discloses rational in infrastructure, design benefit, the security is high, is fit for using widely.
Description
Technical Field
The utility model relates to a direct current screen technical field especially relates to a multi-functional direct current screen.
Background
The power operation power supply in power plants and substations is a direct current power supply nowadays, provides power for control load, power load, direct current accident lighting load and the like, and is the basis for control and protection of modern power systems. The direct current screen comprises mating electricity unit, the modular unit that charges, step-down silicon chain unit, direct current feed unit, distribution monitoring unit, monitoring module unit and insulating monitoring unit. The direct current protection switch is mainly applied to small and medium power plants, hydropower stations, various transformer substations and other users (such as petrifaction, mines, railways and the like) using direct current equipment in an electric power system, and is suitable for occasions such as instruments, relay protection, fault illumination and the like in switch opening and closing and secondary circuits.
The operating environment of the direct current screen is guaranteed to be below 2500 meters in altitude, the temperature is between-15 ℃ and 45 ℃, and the maximum relative humidity of air is not more than 90%, but in actual use, workers often ignore important environmental data, so that the direct current screen breaks down, and the service life of the direct current screen is greatly shortened;
in order to solve the problems, the application provides a multifunctional direct current screen.
SUMMERY OF THE UTILITY MODEL
Objects of the invention
For solving the technical problem who exists among the background art, the utility model provides a multi-functional direct current screen has the characteristics of safety protection direct current screen.
(II) technical scheme
In order to solve the problems, the utility model provides a multifunctional direct current screen, which comprises a direct current screen main body, wherein the front side of the direct current screen main body is hinged with a cabinet door, a power supply line is arranged on the direct current screen main body, one end of the power supply line is electrically connected with the output end of an electromagnetic relay, the input end of the electromagnetic relay is connected with a power line, the other end of the power line is connected with a plug, an electromagnetic relay control box is arranged on the side surface of the direct current screen main body, and an air pressure height sensor, a temperature sensor and a humidity sensor are arranged on the electromagnetic relay control box;
if the height detected by the air pressure height sensor exceeds 2500 meters, the electromagnetic relay is disconnected;
if the temperature detected by the temperature sensor is higher than 45 ℃ or lower than-15 ℃, the electromagnetic relay is disconnected;
and if the maximum relative humidity of the air detected by the humidity sensor exceeds 90%, the electromagnetic relay is disconnected.
Preferably, a heat dissipation mechanism is further arranged inside the direct current screen main body.
Preferably, the heat dissipation mechanism comprises a water tank fixed on the inner top wall of the direct-current screen main body, a micro water pump is arranged inside the water tank, the water outlet end of the micro water pump is connected with an S-shaped heat exchange tube, and the other end of the S-shaped heat exchange tube is connected to the water tank.
Preferably, a plurality of heat dissipation copper sheets are arranged at intervals on the top of the water tank, and the heat dissipation copper sheets extend to the outside of the direct current screen main body.
Preferably, a fan is installed on one side of the top of the direct current screen main body, and an air outlet end of the fan is arranged towards the plurality of heat dissipation copper sheets.
Preferably, a water injection pipe is arranged on the water tank, the upper end of the water injection pipe extends to the outside of the direct current screen main body, and a thermocouple is further arranged inside the direct current screen main body.
The above technical scheme of the utility model has following profitable technological effect:
when the use environment of the direct current screen main body does not meet the requirements, the electromagnetic relay is disconnected, and the direct current screen main body stops running at the moment, so that accidents are avoided; ensure the operation that the direct current screen main part can be safe, through heat dissipation mechanism, can ensure when the operation of direct current screen main part, to the inside stable heat dissipation of direct current screen main part, not directly blow with the fan moreover, avoid bringing in a large number of dusts, the utility model discloses rational in infrastructure, design benefit, the security is high, is fit for using widely.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a front view of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
As shown in fig. 1-2, the utility model provides a multifunctional dc screen, including dc screen main part 1, the front of dc screen main part 1 articulates there is cabinet door 15, is provided with power supply line 16 on the dc screen main part 1, and one end electric connection of power supply line 16 has electromagnetic relay 8's output, and electromagnetic relay 8's input is connected with power cord 9, and the other end of power cord 9 is connected with plug 10, and the side of dc screen main part 1 is installed electromagnetic relay control box 2, installs atmospheric pressure altitude sensor 5, temperature sensor 6 and humidity transducer 7 on the electromagnetic relay control box 2; the electromagnetic relay control box 2 is internally provided with a processor, the processor is for example but not limited to an MSP430 single chip microcomputer, the air pressure height sensor 5 is for example but not limited to an BMP085, the temperature sensor 6 is for example but not limited to a 4-20 mA type resistance temperature transmitter, the humidity sensor 7 is for example but not limited to an SHT11, and the electromagnetic relay control box 2, the electromagnetic relay 8, the air pressure height sensor 5, the temperature sensor 6 and the humidity sensor 7 are powered by an external power supply.
If the height detected by the barometric altitude sensor 5 exceeds 2500 meters, the electromagnetic relay 8 is disconnected;
if the temperature detected by the temperature sensor 6 is higher than 45 ℃ or lower than-15 ℃, the electromagnetic relay 8 is disconnected;
if the maximum relative humidity of the air detected by the humidity sensor 7 exceeds 90%, the electromagnetic relay 8 is disconnected.
In this embodiment, a heat dissipation mechanism is further provided inside the dc panel main body 1.
In this embodiment, it should be described that the heat dissipation mechanism includes a water tank 11 fixed to the inner top wall of the direct current screen main body 1, a micro water pump 3 is arranged inside the water tank 11, a water outlet end of the micro water pump 3 is connected with an S-shaped heat exchange tube 4, and the other end of the S-shaped heat exchange tube 4 is connected to the water tank 11.
In this embodiment, it should be noted that a plurality of heat dissipation copper sheets 13 are disposed at intervals on the top of the water tank 11, and the heat dissipation copper sheets 13 extend to the outside of the dc screen main body 1.
In this embodiment, it should be noted that a fan 14 is installed on one side of the top of the dc screen main body 1, and an air outlet end of the fan 14 is disposed toward the plurality of heat dissipation copper sheets 13.
In this embodiment, a water injection pipe 12 is disposed on the water tank 11, an upper end of the water injection pipe 12 extends to an outside of the dc shield main body 1, and a thermocouple 17 is further disposed inside the dc shield main body 1.
In the embodiment scheme of the utility model, if the height detected by the barometric altitude sensor 5 exceeds 2500 meters, the electromagnetic relay 8 is disconnected;
if the temperature detected by the temperature sensor 6 is higher than 45 ℃ or lower than-15 ℃, the electromagnetic relay 8 is disconnected;
if the maximum relative humidity of the air detected by the humidity sensor 7 exceeds 90%, the electromagnetic relay 8 is disconnected;
as long as one of the above conditions is met, the electromagnetic relay 8 is switched off, and at the moment, the direct current screen main body 1 stops running, so that accidents are avoided; ensure the operation that direct current screen main part 1 can be safe, through heat dissipation mechanism, can ensure when direct current screen main part 1 moves, to the stable heat dissipation of 1 inside in direct current screen main part, not directly blow with the fan moreover, avoid bringing in a large number of dusts, the utility model discloses rational in infrastructure, design benefit, the security is high, is fit for using widely.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. A multifunctional direct current screen comprises a direct current screen main body (1), wherein a cabinet door (15) is hinged to the front face of the direct current screen main body (1), a power supply line (16) is arranged on the direct current screen main body (1), the multifunctional direct current screen is characterized in that one end of the power supply line (16) is electrically connected with the output end of an electromagnetic relay (8), the input end of the electromagnetic relay (8) is connected with a power line (9), the other end of the power line (9) is connected with a plug (10), an electromagnetic relay control box (2) is installed on the side face of the direct current screen main body (1), and an air pressure height sensor (5), a temperature sensor (6) and a humidity sensor (7) are installed on the electromagnetic relay control box (2);
if the height detected by the air pressure height sensor (5) exceeds 2500 meters, the electromagnetic relay (8) is disconnected;
if the temperature detected by the temperature sensor (6) is higher than 45 ℃ or lower than-15 ℃, the electromagnetic relay (8) is disconnected;
if the maximum relative humidity of the air detected by the humidity sensor (7) exceeds 90%, the electromagnetic relay (8) is disconnected.
2. The multifunctional direct current screen is characterized in that a heat dissipation mechanism is further arranged inside the direct current screen main body (1).
3. The multifunctional direct current screen as claimed in claim 2, wherein the heat dissipation mechanism comprises a water tank (11) fixed on the inner top wall of the direct current screen main body (1), a micro water pump (3) is arranged inside the water tank (11), the water outlet end of the micro water pump (3) is connected with an S-shaped heat exchange tube (4), and the other end of the S-shaped heat exchange tube (4) is connected to the water tank (11).
4. The multifunctional direct current screen is characterized in that a plurality of heat dissipation copper sheets (13) are arranged at intervals on the top of the water tank (11), and the heat dissipation copper sheets (13) extend to the outside of the direct current screen main body (1).
5. The multifunctional direct current screen is characterized in that a fan (14) is installed on one side of the top of the direct current screen main body (1), and the air outlet end of the fan (14) is arranged towards the plurality of radiating copper sheets (13).
6. The multifunctional direct current screen of claim 5, characterized in that a water injection pipe (12) is arranged on the water tank (11), the upper end of the water injection pipe (12) extends to the outside of the direct current screen main body (1), and a thermocouple (17) is arranged inside the direct current screen main body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922390732.7U CN211046195U (en) | 2019-12-27 | 2019-12-27 | Multifunctional direct current screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922390732.7U CN211046195U (en) | 2019-12-27 | 2019-12-27 | Multifunctional direct current screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211046195U true CN211046195U (en) | 2020-07-17 |
Family
ID=71539579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922390732.7U Active CN211046195U (en) | 2019-12-27 | 2019-12-27 | Multifunctional direct current screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211046195U (en) |
-
2019
- 2019-12-27 CN CN201922390732.7U patent/CN211046195U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203660352U (en) | Fixation-type AC low-voltage power distribution cabinet | |
| CN101418695A (en) | Intelligent local ventilation system | |
| CN211046195U (en) | Multifunctional direct current screen | |
| CN203951060U (en) | A kind of comprehensive distribution box | |
| CN205452883U (en) | Intelligence heat dissipation cubical switchboard | |
| CN202353052U (en) | Vehicle-mounted intensive substation | |
| CN208548592U (en) | A kind of power distribution cabinet | |
| CN203205733U (en) | Wall hanging type DC power supply box | |
| CN203147886U (en) | Micro energy-saving and environment-friendly electric heating stove and heating system | |
| CN205646472U (en) | Fire prevention formula cubical switchboard | |
| CN106163005B (en) | A kind of overheat protector LED drive power | |
| CN109618525A (en) | A kind of pluggable module cabinet with scalability | |
| CN101692526A (en) | Heat-resistant power distribution device | |
| CN205845845U (en) | A kind of AUTOMOTIVE RELAY seat | |
| CN205385290U (en) | A non -contact power transfer system for elevator | |
| CN212514800U (en) | Power quality monitoring box for real-time state of power grid | |
| CN207819808U (en) | A kind of automobile motor controller | |
| CN203406545U (en) | A preinstalled transformer station | |
| CN202274644U (en) | Control box of heat pump water heater | |
| CN216215289U (en) | High temperature resistant outdoor high voltage distribution cabinet | |
| CN209949736U (en) | Direct current screen heat abstractor | |
| CN204068406U (en) | A kind of Waste Heat Power Station direct current system | |
| CN202352503U (en) | Voltage transformer with water-proof anti-condensation terminal box | |
| CN210430603U (en) | Three power intelligence auto-change over devices of block terminal | |
| CN203632590U (en) | Explosive-proof and intrinsically-safe dual-power source frequency conversion and speed regulation device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |