CN210577203U

CN210577203U - Wall-mounted direct current screen

Info

Publication number: CN210577203U
Application number: CN201921663885.8U
Authority: CN
Inventors: 任封娟; 陈鹏飞; 牛泽民; 贺廷
Original assignee: Henan Ruitong Electric Technology Co ltd
Current assignee: Henan Ruitong Electric Technology Co ltd
Priority date: 2019-09-29
Filing date: 2019-09-29
Publication date: 2020-05-19
Anticipated expiration: 2029-09-29

Abstract

The utility model discloses a wall-hanging direct current screen belongs to power equipment technical field, including the box, set up at the glass door of box front surface and set up the module case inside the box, still including setting up the support on the wall, box slidable mounting is on the support, the module case is connected with insulating flash relay and the air circuit breaker of setting in the box, be provided with the rectification-the control module of merge in the module case. The utility model provides a current wall-hanging DC screen's structure complicated, it is great to take up an area of, and the inconvenient problem is dismantled in the installation.

Description

Wall-mounted direct current screen

Technical Field

The utility model belongs to the technical field of power equipment, a wall-hanging direct current screen is related to.

Background

The direct current screen is a device which is used for power plants and transformer substations and provides a direct current power supply for switching-on and switching-off, relay protection, automatic control, emergency lighting and the like of a high-voltage switch in normal operation and accident states; the reliability of the direct current screen is irreplaceable for other power supply devices, and the direct current screen can meet the high reliability requirement of power supplies in occasions of transformer substations and power plants.

The wall-mounted direct current screen is suitable for small-sized switch stations, small-sized user transformer substations and small-sized 10KV transformer substation systems, adopts an integrated design idea, generally consists of a rectifier module, a monitoring module, a voltage reduction module, a power distribution module and a battery installation box, has the characteristics of small volume, simple structure, independent system formation and the like, the direct current system in the wall-mounted direct current screen is an independent power supply, is not influenced by the system operation mode of a generator and the transformer substations, ensures that important equipment of the direct current power supply is continuously provided by a backup power supply-storage battery under the condition of external alternating current interruption, and directly influences the reliability and safety of power supply of a power system.

Wall-hanging direct current screen among the prior art, the structure is complicated, it is great to take up an area of, the installation is dismantled inconveniently, at the during operation, inside electron device generates heat and can lead to inside temperature height, can give out various harmful elements behind the heat absorption in the shell, cause adverse effect to the people, can lead to electronic component's damage owing to the high temperature even, the radiating mode that present wall-hanging direct current screen adopted mainly is for utilizing the principle of natural convection, drill or crack on the box shell, but this kind of mode heat dissipation ventilation effect is relatively poor, lack the mode that intelligent monitoring and intelligence were opened.

Therefore, to the above problem, the utility model provides a wall-hanging direct current screen.

Disclosure of Invention

The utility model aims to provide a: the wall-mounted direct-current screen solves the problems that an existing wall-mounted direct-current screen is complex in structure, large in occupied area and inconvenient to mount and dismount.

The utility model adopts the technical scheme as follows:

the wall-mounted direct-current screen comprises a box body, a glass door arranged on the front surface of the box body, a module box arranged inside the box body and a support arranged on the wall surface, wherein the box body is slidably mounted on the support, the module box is connected with an insulating flash relay and an air circuit breaker which are arranged in the box body, and a combined rectifying-monitoring module is arranged in the module box.

Furthermore, the support is U type support, and the bottom surface is vertical pastes on the wall, and both sides face is paid to the external expenditure of wall, and both sides face all is provided with the sliding tray, the top and the bottom of box correspond the sliding tray and are provided with the sliding strip, sliding tray and sliding strip unsmooth connection are easy to assemble and take out.

Furthermore, a display screen, a key, a fault indicator lamp and a working indicator lamp are arranged on the front panel of the rectification-monitoring module, and the display screen is displayed by adopting 12864 LCD.

Furthermore, the rectifying-monitoring module is formed by connecting an IARM-FC10 feeder detector with a plug-in rectifying module, and the plug-in rectifying module can adopt PD1B02MK or PD1A04 MK.

Furthermore, the rectifying-monitoring module is formed by connecting a plug-in rectifying module with a PD1B02J monitoring module, and the plug-in rectifying module can adopt PD1B02MK or PD1A04 MK.

Further, a voltage reduction module and a power distribution module are further arranged in the module box, and the voltage reduction module adopts a PD1B02G voltage reduction module.

Furthermore, the top and the bottom of support are provided with the hangers respectively, the quantity of hangers is 3 to 6.

Furthermore, a storage battery is arranged in the box body and is used for connecting and supplying power to the module box, the insulating flash relay and the air circuit breaker.

Furthermore, two side faces of the box body are provided with a ventilating fan and a ventilating hole, and the ventilating fan is connected with the storage battery.

Furthermore, the ventilating fan comprises a central shaft arranged inside, a control box arranged below the central shaft, a heat dissipation aluminum sheet arranged below the control box, and heat dissipation fan blades connected to the central shaft in a rotating mode.

Further, the control box is including the temperature sensor, frequency conversion controller and the motor that connect gradually, after temperature sensor sensed the temperature, transmission signal gave frequency conversion controller, and frequency conversion controller control motor starts, drives the center pin rotation, realizes the intelligence heat dissipation of ventilation fan.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model provides a wall-hanging direct current screen, box slidable mounting on the support, simple structure, easy to assemble and dismantlement, the mode of hanging is installed on the wall, can not occupy too many places, and it can be better to ventilate on the wall, the module incasement is provided with the rectification-monitoring module that merges, merges independent rectification module and monitoring module originally into rectification-monitoring module, has saved the inner space of direct current screen, saves the cost, and conveniently monitors fast, also makes things convenient for the later stage to inspect and maintain the change.

2. The utility model discloses in be provided with the display screen on rectification-monitoring module's the front panel, the display screen adopts 12864LCD to show, and rectification-monitoring module after the combination, corresponding display screen have also increased, realize friendly human-computer interface, and operating parameter, fault state surveyability conveniently show and look over.

3. The utility model discloses in the both sides face of box is provided with ventilation fan and ventilation hole, adopts two kinds of ventilation modes, ventilates through the ventilation hole, and through the temperature of ventilation fan in according to the box, the automatic control heat dissipation, dual ventilation, the ventilation cooling effect is better.

4. The utility model discloses in the ventilation fan is including setting up the center pin in inside, setting up the control box in the center pin below, the control box is including the temperature sensor, frequency conversion controller and the motor that connect gradually, after temperature sensor sensed the temperature, variable frequency controller was given to transfer signal, and variable frequency controller control motor starts, and it is rotatory to drive the center pin, reaches the radiating effect of intelligence.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and that for those skilled in the art, other relevant drawings can be obtained according to the drawings without inventive effort, wherein:

fig. 1 is a schematic structural diagram of a wall-mounted direct current screen;

fig. 2 is a schematic side view of the present invention;

fig. 3 is a diagram of an electrical connection mode of the rectification-monitoring module according to the first embodiment of the present invention;

fig. 4 is a schematic block diagram of a rectification-monitoring module according to a second embodiment of the present invention;

fig. 5 is a schematic structural view of the ventilating fan of the present invention;

fig. 6 is a schematic connection diagram of a control box in the ventilating fan of the present invention;

the labels in the figure are: 1. the intelligent power supply comprises a box body, 2, a bracket, 3, a glass door, 4, a hanging lug, 5, a module box, 50, a rectification-monitoring module, 501, a display screen, 502, a key, 503, a fault indicator lamp, 504, a working indicator lamp, 51, a voltage reduction module, 52, a power distribution module, 6, an insulated flashing relay, 7, an air circuit breaker, 8, a ventilating fan, 801, a central shaft, 802, a control box, 803, a radiating aluminum sheet, 804, radiating fan blades, 805, a temperature sensor, 806, a frequency conversion controller 807, a motor and 9, and a ventilating hole.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention, i.e., the described embodiments are only some, but not all, embodiments of the invention. The components of embodiments of the present invention, as generally described herein and illustrated in the figures, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.

It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

A wall-mounted direct-current screen solves the problems that an existing wall-mounted direct-current screen is complex in structure, large in occupied area and inconvenient to mount and dismount.

The utility model provides a wall-hanging direct current screen, includes box 1, sets up glass door 3 and the module case 5 of setting in box 1 inside at box 1 front surface, still includes the support 2 of setting on the wall, box 1 slidable mounting is on support 2, module case 5 is connected with insulating flash relay 6 and the air circuit breaker 7 of setting in box 1, be provided with the rectification-the monitoring module 50 of merge in the module case 5.

The utility model discloses a box slidable mounting is on the support, simple structure, and easy to assemble and dismantlement, the mode of hanging is installed on the wall, can not occupy too many places, and can be better on the wall ventilate, the module incasement is provided with the rectification-monitoring module who merges, merges independent rectification module and monitoring module originally into rectification-monitoring module, has saved the inner space of direct current screen, saves the cost, and conveniently monitors fast, also makes things convenient for the later stage to inspect and maintain the change.

The features and properties of the present invention will be described in further detail with reference to the following examples.

Example one

The preferred embodiment of the utility model provides a wall-mounted direct current screen, as shown in fig. 1-2, comprising a box body 1, a glass door 3 arranged on the front surface of the box body 1, a module box 5 arranged inside the box body 1, and a bracket 2 arranged on the wall surface, wherein the wall-mounted mode is installed on the wall without occupying too many places, the ventilation on the wall surface is better, the box body 1 is arranged on the bracket 2 in a sliding way, the structure is simple, the installation and the disassembly are convenient, the module box 5 is connected with an insulated flash relay 6 and an air circuit breaker 7 which are arranged in the box body 1, the combined rectifying and monitoring module 50 is arranged in the module box 5, and the originally independent rectifying module and monitoring module are combined into the rectifying and monitoring module, so that the internal space of the direct current screen is saved, the cost is saved, the monitoring is conveniently and rapidly carried out, and the later-stage inspection, maintenance and replacement are also facilitated.

Specifically, support 2 is U type support, and the bottom surface is vertical pastes on the wall, and both sides are paid towards wall body 1 outward, and both sides face all is provided with the sliding tray, the top of box 1 and the corresponding sliding tray in bottom are provided with the sliding strip, sliding tray and sliding strip unsmooth connection are easy to assemble and take out.

Further, a display screen 501, a key 502, a fault indicator lamp 503 and a working indicator lamp 504 are arranged on a front panel of the rectification-monitoring module 50, the display screen 501 is displayed by adopting 12864LCD, specifically, LCD Chinese character menu display is adopted, the rectification-monitoring module after combination is enlarged in the corresponding display screen, a friendly human-computer interface is realized, working parameters and fault states are clear at a glance, and display and viewing are convenient.

Furthermore, the rectifying-monitoring module 50 is formed by connecting an IARM-FC10ZD feeder detector with a plug-in rectifying module, which can be PD1B02MK or PD1a04MK, as shown in fig. 3; the IARM-FC10 feeder detector is used for detecting the state of the feed-out switch and can monitor four types of switches: the switch trip signal, the switch on-off state, the insulation ground resistance and the output current are 64 branch detection points, the measured switch is taken as an object, the detected parameters can be flexibly configured, and the later-stage inspection, maintenance and replacement are convenient; the PD1B02MK or PD1A04MK rectifying modules are provided with parallel protection circuits, an advanced low-difference autonomous current-sharing technology is adopted, a plurality of modules have good current-sharing characteristics when working in parallel, the output currents of the modules tend to be consistent, and the modules automatically break away from a current-sharing bus when in failure, so that the normal current sharing of other modules is not influenced; the plug-in rectifier module makes the module very convenient to replace, and makes the system maintenance become safe, simple and efficient.

Further, a voltage reduction module 51 and a power distribution module 52 are further arranged in the module box 5, and the voltage reduction module 51 adopts a PD1B02G voltage reduction module to ensure stable output voltage.

Further, the top and the bottom of support 2 are provided with hangers 4 respectively, the quantity of hangers 4 is 3 to 6, hangers 4 can slide on support 2, and the convenience is installed the fixed point according to actual conditions adjustment.

Furthermore, a storage battery is arranged in the box body 1 and is used for connecting and supplying power to the module box 5, the insulating flash relay 6 and the air circuit breaker 7.

Furthermore, the both sides face of box 1 is provided with ventilation fan 8 and ventilation hole 9, ventilation fan 8 is connected with the battery, adopts two kinds of ventilation modes, ventilates through the ventilation hole, and through the ventilation fan according to the temperature in the box, the automatic control heat dissipation, dual ventilation, the ventilation radiating effect is better.

Further, the ventilating fan 8 is configured as shown in fig. 5, and includes a central shaft 801 disposed inside, a control box 802 disposed below the central shaft 801, a heat dissipating aluminum sheet 803 disposed below the control box 802, and heat dissipating fan blades 804 rotatably connected to the central shaft 801.

Further, the control box 802 includes a temperature sensor 805, a frequency conversion controller 806, and a motor 807, which are connected in sequence, as shown in fig. 6, after the temperature sensor 805 senses the temperature, a signal is transmitted to the frequency conversion controller 806, and the frequency conversion controller 806 controls the motor 807 to start, so as to drive the central shaft 801 to rotate, thereby achieving an intelligent heat dissipation effect.

Example two

On the basis of the first embodiment, the difference of this embodiment is that the rectifying-monitoring module 50 is formed by connecting a plug-in rectifying module with a PD1B02J monitoring module, and the plug-in rectifying module can be PD1B02MK or PD1a04 MK; the PD1B02J monitoring module can measure the battery voltage, the control bus voltage, the battery current, the control bus current, the module fault state, the alternating current fault and the insulation fault, can realize the automatic management of the battery, and can realize the automatic interface through RS232 and RS485 interfaces; the PD1B02J monitoring module is shown in a schematic block diagram in FIG. 4, and is controlled by a single chip microcomputer, working parameters of a system are collected through A/D sampling, voltage is output through a D/A output control module, and current limiting is output; working parameters, system faults and setting parameters are displayed through a display screen 501; the system working parameters, the calibration output voltage and the display voltage are set through the keys 502; the working parameters and the calibration parameters are not lost when power failure occurs; the PD1B02MK or PD1A04MK rectifying modules are provided with parallel protection circuits, an advanced low-difference autonomous current-sharing technology is adopted, a plurality of modules have good current-sharing characteristics when working in parallel, the output currents of the modules tend to be consistent, and the modules automatically break away from a current-sharing bus when in failure, so that the normal current sharing of other modules is not influenced; the plug-in rectifier module makes the module very convenient to replace, and makes the system maintenance become safe, simple and efficient.

It should be noted that, the utility model discloses an aspect of the electricity is wired according to actual need, and the skilled person in the art can carry out simple design according to prior art, and no longer the repeated description is given here. The utility model provides a "rectification-monitoring module 50, display screen 501, step-down module 51, distribution module 52, insulating flash relay 6, air circuit breaker 7, temperature sensor 805, variable frequency controller 806 and motor 807" are the parts that general standard component or the technical staff in the field know, and its structure and principle all can learn through the technical manual or learn through conventional experimental approach for this technical staff, and the function that variable frequency controller 806 can realize also is the general programming means of technical staff in the field, the utility model discloses a mutually combines of above-mentioned parts, and the structure of having solved current wall-hanging type direct current screen is complicated, and it is great to take up an area of, installs and dismantles inconvenient problem.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the scope of the present invention, and any modifications, equivalents and improvements made by those skilled in the art within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. The utility model provides a wall-hanging direct current screen, includes box (1), sets up glass door (3) and the module case (5) of setting in box (1) inside at box (1) front surface, its characterized in that: still including setting up support (2) on the wall, box (1) slidable mounting is on support (2), module case (5) are connected with insulating flash relay (6) and air circuit breaker (7) of setting in box (1), be provided with rectification-monitoring module (50) of merging in module case (5).

2. A wall-mounted dc screen according to claim 1, wherein: the front panel of the rectification-monitoring module (50) is provided with a display screen (501), a key (502), a fault indicator lamp (503) and a working indicator lamp (504), and the display screen (501) is displayed by adopting a 12864 LCD.

3. A wall-mounted dc screen according to claim 2, wherein: the rectifying-monitoring module (50) is formed by connecting an IARM-FC10 feeder detector with a plug-in rectifying module, and the plug-in rectifying module can adopt PD1B02MK or PD1A04 MK.

4. A wall-mounted dc screen according to claim 2, wherein: the rectifying-monitoring module (50) is formed by connecting a plug-in rectifying module with a PD1B02J monitoring module, and the plug-in rectifying module can adopt PD1B02MK or PD1A04 MK.

5. A wall-mounted dc screen according to claim 1, wherein: still be provided with step-down module (51) and distribution module (52) in module case (5), step-down module (51) adopts PD1B02G step-down module.

6. A wall-mounted dc screen according to claim 1, wherein: the top and the bottom of support (2) are provided with hangers (4) respectively, the quantity of hangers (4) is 3 to 6.

7. A wall-mounted dc screen according to claim 1, wherein: a storage battery is arranged in the box body (1) and is used for connecting and supplying power for the module box (5), the insulating flash relay (6) and the air circuit breaker (7).