CN221009631U

CN221009631U - Drawer panel of low-voltage complete switch equipment

Info

Publication number: CN221009631U
Application number: CN202322841239.9U
Authority: CN
Inventors: 陆永光
Original assignee: Anyige Electric Industrial System Shanghai Co ltd
Current assignee: Anyige Electric Industrial System Shanghai Co ltd
Priority date: 2023-10-23
Filing date: 2023-10-23
Publication date: 2024-05-24
Anticipated expiration: 2033-10-23

Abstract

The utility model provides a drawer panel of low-voltage complete switch equipment, which relates to the technical field of low-voltage complete switch equipment, wherein the low-voltage complete switch equipment is a cabinet body formed with a plurality of drawers, the drawer panel is used for being installed at an opening of the drawer, a connection structure which is convenient to pull out or push in is arranged between the drawer panel and the drawer, and the drawer panel comprises: the panel body adopts a liquid crystal display panel, and a touchable display area is formed on the surface of the panel body; the metal protection cover is integrally in a three-dimensional frame structure and is detachably and fixedly connected with the panel body to form an internal installation space; the interlocking mechanism for opening the door is used for locking and unlocking the drawer panel according to the on-off state of the circuit breaker in the drawer; and the host is assembled in the internal installation space and is used for being electrically connected with the panel body and components in the drawer. On the premise of keeping the whole cost unchanged, the grade of the existing low-voltage complete switch equipment is comprehensively improved, and the intelligent switch equipment is more in line with the hardware configuration and the corresponding appearance of the intelligent switch equipment.

Description

Drawer panel of low-voltage complete switch equipment

Technical Field

The utility model relates to the technical field of low-voltage complete switch equipment, in particular to a drawer panel of the low-voltage complete switch equipment.

Background

The low-voltage switchgear refers to an electric device used in an ac 1000V (or dc 1500V) or lower voltage class. In the design and manufacturing process, the cost performance of equipment is considered, the competitiveness of the product is improved, meanwhile, the development of an intelligent technology is complied, the intelligent level of the product is continuously improved, and the process is continuously advanced to a road integrating multi-element combinations such as low carbon, environmental protection, intelligence, communication, internet of things and the like.

The low-voltage complete switch equipment is widely applied to traditional industries such as power plants, power substations, petrochemical industry, metallurgical steel rolling, public transportation, papermaking printing and the like, is also used in emerging industries such as data centers, ships and offshore platforms, environmental protection treatment, electronics, silicon crystal manufacturing and the like, and can also be used in new energy power equipment such as wind power generation, photovoltaics, energy storage and the like. The complete switch equipment has wide application range and the like products compete strongly, so that the latest technology is fully utilized to innovate and develop the products on the premise of ensuring the cost of the products, the requirements of the new era on intelligent products are met, and the direction of developing the products is adopted.

Therefore, the utility model provides a brand new drawer panel of the intelligent low-voltage switchgear assembly, which can meet the improvement of the appearance grade of the product; the two pairs of products effectively integrate the multi-element split installation phenomenon, integrate a single panel to integrate a multifunctional instrument, a fire monitor, button operation and signal indication, and realize multi-element display of the temperature, faults, life cycle and the like of the circuit breaker. The characteristics of high cost and low cost of the existing power electronic technology level are fully utilized, and the low-voltage complete switch equipment is promoted to develop to the intelligent level of higher end.

Disclosure of utility model

Aiming at the defects existing in the prior art, the utility model aims to provide a drawer panel of low-voltage complete switch equipment, which comprises the following specific scheme:

The utility model provides a low pressure switchgear's drawer panel, low pressure switchgear is for being formed with the cabinet body of a plurality of drawers, and drawer panel is used for installing in the open department of drawer, is equipped with the connection structure of being convenient for pull out or push in with the drawer between, and drawer panel includes:

the panel body adopts a liquid crystal display panel, and a touchable display area is formed on the surface of the panel body;

The metal protection cover is integrally in a three-dimensional frame structure and is detachably and fixedly connected with the panel body to form an internal installation space;

The interlocking mechanism for opening the door is used for locking and unlocking the drawer panel according to the on-off state of the circuit breaker in the drawer;

And the host is assembled in the internal installation space and is used for being electrically connected with the panel body and components in the drawer.

Further, the host is provided with a plurality of rows of slot terminals, including terminals for accessing the input end, terminals for accessing the output end and terminals for accessing different communication protocols.

Further, the side surface of the metal protective cover, which is away from the panel body, is provided with a threading hole, and the threading hole is used for passing through the drawer and the wire harness required between the drawer panels.

Further, the connecting structure comprises a plurality of built-in hinges arranged on one side of the metal protection cover, and one side, far away from the metal protection cover, of the built-in hinges is connected with the drawer.

Furthermore, the built-in hinge is made of zinc-aluminum alloy, and is installed by self-tapping screws.

Further, the interlocking mechanism for opening the door comprises an electromagnet, a padlock device and a closing and opening button;

the electromagnet is used for locking or releasing the padlock device and is electrically connected with the circuit breaker in the drawer;

When the circuit breaker is in a closing state, the electromagnet is electrified and is attracted with the drawer, the padlock device is locked, and when the circuit breaker is in a separating state, the electromagnet is deenergized, and the padlock device is unlocked;

The switching-on and switching-off button is used for triggering a door opening request and is embedded on the surface of the panel body.

Further, the side wall of the metal protection cover, which faces the panel body, is provided with a plurality of reinforcing ribs, and wiring grooves are formed among the reinforcing ribs.

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

(1) According to the utility model, the drawer panel formed by the touch panel body is used for integrally upgrading and replacing a plurality of components related to the front low-voltage complete switch equipment, so that the drawer panel is an intelligent control panel integrating multiple functions such as a control function, an intelligent electric quantity acquisition monitoring function, an integrated communication function and the like;

(2) According to the utility model, on the premise that the overall cost is kept unchanged, the grade of the existing low-voltage complete set cabinet is comprehensively improved, and the intelligent switch cabinet is more in line with the hardware configuration and the corresponding appearance compartment of the intelligent switch cabinet;

(3) By the utility model, the latest technology of the existing power electronics is actively utilized, the wiring harness is arranged and the wiring channels are reasonably arranged, so that the shielding reliability of the communication cable is ensured, and the EMC anti-interference capability is strong.

Drawings

FIG. 1 is a schematic view of an external structure of a drawer panel according to an embodiment of the present utility model;

FIG. 2 is a schematic rear view of a drawer panel according to an embodiment of the present utility model;

Fig. 3 is a schematic structural diagram showing an internal host, a reinforcing rib and a wiring groove according to an embodiment of the present utility model.

Reference numerals: 1. a panel body; 2. a touchable display area; 3. an interlocking mechanism for opening a door; 4. a built-in hinge; 5. a metal protective cover; 6. a threading hole; 7. wiring grooves; 8. a host; 9. a socket terminal; 10. reinforcing ribs.

Detailed Description

The present utility model will be described in further detail with reference to examples and drawings, but embodiments of the present utility model are not limited thereto.

The low-voltage switchgear is widely applied to power distribution, electric transmission and automatic control equipment of a low-voltage system of a power plant, and in order to realize power distribution, electric transmission and automatic control, a plurality of components such as a breaker, a contactor, a heat relay, ma Bao, a current transformer and the like are required to be arranged in the low-voltage switchgear, a plurality of independent drawers can be integrated on a cabinet body of the low-voltage switchgear, different components can be arranged in different drawers, and in order to monitor the power parameters of the components, intelligent meters and other elements are generally required to be installed on a common drawer panel to realize the recording and display of the power parameters, or the control of the components is realized.

The utility model provides a novel drawer panel of intelligent low-voltage switchgear, which solves the problem that the state is integrated into an integrated power electronic element by intelligent instruments (network power instruments, intelligent power distribution monitoring/protection modules, network I/O) and other multi-element distribution such as fire monitors, change-over switches, indication signal lamps, buttons, and the like which are arranged on a common panel. The drawer panel integrates the display function, the control function, the monitoring function and the communication function, comprehensively improves the grade of the existing low-voltage complete switch equipment on the premise of keeping the overall cost unchanged, and more accords with the hardware configuration and the corresponding appearance of the intelligent switch equipment.

The drawer panel is connected with a computer system of a central control room through a network communication interface in the drawer panel, so that the voltage, current, active power, reactive power, power factor, frequency, electric measurement and other electric parameters of each power supply and distribution loop can be monitored, the switching state and fault information of the circuit breaker are monitored, the switching on and off of the circuit breaker are remotely controlled, and if the circuit breaker is matched with various perfect remote monitoring software, four remote control can be realized, namely remote measurement, remote signaling, remote control and remote regulation, so that the drawer panel has the characteristics of multifunction, digitalization, networking, intellectualization, compact structure, simplicity in installation, easiness in maintenance and the like.

The technical problems to be solved by the utility model are realized by adopting the following technical scheme:

(1) The components related to the existing configuration are integrated, components including intelligent instruments, fire monitors, buttons, signal lamps, change-over switches and the like required for monitoring the power parameters of the components, and the components are integrally upgraded and replaced through a drawer panel consisting of the liquid crystal display panels capable of being touched, so that the drawer panel has multiple functions.

(2) The interlocking mechanism 3 for opening the door, which is integrated with electronic and mechanical interlocking, is provided with an electromagnet and a padlock device, and when the circuit breaker in the drawer is electrified, the door cannot be opened, and only in the state that the circuit breaker is opened, the cabinet door can be opened.

(3) The host computer 8 is added and is in communication connection with the liquid crystal screen panel, so that the host computer 8 displays various power parameters through the liquid crystal screen panel and uploads the power parameters to the background monitoring through the communication terminal.

(4) The built-in hinge 4 is adopted, so that the drawer panel is connected with the cabinet body and is arranged at the drawer, and the hinge can have enough strength to ensure the opening and closing of the drawer panel.

(5) The drawer panel is additionally provided with the metal protective cover 5 for protection, so that the electric shock protection in the switch equipment and the arcing impact generated by circuit faults can be born.

In contrast, the drawer panel of the present utility model is used for being mounted at an opening of a drawer, and in terms of structure, the drawer panel specifically includes a panel body 1, a metal protection cover 5, an interlocking mechanism 3 for opening a door, and a main unit 8.

The panel body 1 adopts a liquid crystal screen panel, namely a whole liquid crystal screen, and a touchable display area 2 is formed on the surface of the panel body, as shown in fig. 1, namely a touch display area on the right side part of the liquid crystal screen, a touchable key can be arranged, or electric parameters configured by an intelligent instrument such as voltage, current, power, active and reactive power metering, harmonic analysis, communication function and the like can be displayed; the functions of a switching-on/off signal lamp, a switching-on/off button and a change-over switch can be set; the temperature of key points such as the pile head of the display breaker and the drawer plug-in can be set; the running time, the switching-on and switching-off times, the running fault record and the like of the circuit breaker can be set and displayed, the specific limitation is not needed, and the circuit breaker is selected according to actual conditions.

Secondly, as shown in fig. 2, the whole metal protection cover 5 is of a three-dimensional frame structure, and is made of steel plates, so that the metal protection cover can be matched with the panel body 1 to form a drawer panel of a cuboid structure, and four corners of the drawer panel are also covered by the steel plates. When the drawer panel is assembled on the switch equipment, the panel body 1 faces outwards, and the metal protection cover 5 faces inwards, so that the arcing impact generated by electric shock protection and circuit faults in the switch equipment can be borne. And in order to realize assembling the drawer panel on switchgear, be equipped with the connection structure of being convenient for pull out or push in between drawer panel and the drawer, connection structure is including installing in a plurality of built-in hinge 4 of one side of metal safety cover 5, and one side that the metal safety cover 5 was kept away from to built-in hinge 4 is connected with the drawer, and built-in hinge 4 wholly fuses integratively with the drawer panel, and the outward appearance is straight pleasing to the eye.

The built-in hinge 4 is made of zinc-aluminum alloy, the installation of the built-in hinge 4 with the metal protection cover 5 and the drawer is realized by adopting an M6 flat head tapping screw, the drawer panel is hinged with the drawer through the built-in hinge 4, and the maximum opening and closing angle of the drawer panel is more than 120 degrees, so that the pull-in and pull-out can be realized conveniently.

In addition, as shown in fig. 2, a threading hole 6 is formed in the side surface of the metal protection cover 5 facing away from the panel body 1, and the threading hole 6 is used for passing through a drawer and a wire harness required between the drawer panels.

The metal protection cover 5 may be detachably and fixedly connected to the panel body 1 by means of bonding or fitting, so that the drawer panel is formed with an internal installation space.

Next, the host computer 8 is mounted in the internal mounting space. Specifically, the metal protection cover 5 is provided with a plurality of reinforcing ribs 10 on the side wall facing the panel body 1, as shown in fig. 3, two reinforcing ribs 10 are transversely and parallelly arranged, one reinforcing rib 10 is vertically arranged, a compartment specially used for installing the host computer 8 is formed between the two reinforcing ribs 10, and a wiring groove 7 is formed between the transversely arranged reinforcing ribs 10. The wiring groove 7 is divided into an external secondary wiring groove and a communication wiring groove, the external secondary wiring groove is used for arranging secondary wiring, the communication wiring groove is used for arranging communication wires, and finally the wire harnesses of the two wiring grooves 7 pass through the threading holes 6 and are connected with corresponding components in the drawer.

The host computer 8 is used for electrically connecting with the panel body 1 and components in the drawer. Specifically, the host computer 8 is connected with components in the drawer through the line speed, including components such as a circuit breaker, a contactor, a thermal relay, ma Bao, a current transformer and the like, so that the host computer 8 displays various power parameters through the panel body 1 and uploads the power parameters to the background for monitoring through the communication terminal.

In order to realize the connection function of the host 8, the host 8 is provided with a plurality of rows of slot terminals 9, including a current terminal, a voltage terminal, a power supply and the like for accessing an input end, a communication crystal head socket for accessing an output end, a communication terminal meeting MODBUS, PROFIBUS communication protocols and the like.

When the panel body 1 is used as an output end, a 48-core socket is adopted as a communication crystal head socket, the panel body 1 is connected with the host computer 8 through the 48-core socket, and only the socket groove is required to be pulled out when the host computer 8 is maintained.

In this way, the host 8 is provided with the wiring harness and the wiring grooves 7 which are reasonably arranged, so that the shielding reliability of the wiring harness is ensured, and the EMC anti-interference capability is strong.

Finally, the door-opening interlocking mechanism 3 is used for locking and unlocking the drawer panel according to the on-off state of the circuit breaker in the drawer. The on-off state of the circuit breaker can be monitored by arranging a sensor, and the circuit breaker is matched with the interlocking mechanism 3 for opening the door according to the signal monitored by the sensor. The interlocking mechanism 3 for opening the door specifically comprises an electromagnet, a padlock device and a closing and opening button.

The electromagnet is used to lock or release a padlock device, which may be a mechanical lock, a clasp, or other practically suitable device. The electromagnet is electrically connected with the circuit breaker in the drawer, and the external electronic control unit can control the on-off state according to the on-off state of the circuit breaker in the drawer and is electrically connected with the circuit breaker in the drawer.

When the circuit breaker is in a closing state, the electromagnet is electrified and is attracted with the drawer, the padlock device is locked, and when the circuit breaker is in a separating state, the electromagnet is deenergized, and the padlock device is unlocked.

The switching-on and switching-off button is used for triggering a door opening request, is embedded on the surface of the panel body 1, is connected with an external electronic control unit, and can also unlock the padlock device by triggering the switching-on and switching-off button and controlling the breaker to switch off by the electronic control unit when the panel body 1 needs to be opened in emergency.

In summary, the utility model integrates intelligent instruments, fire monitors, buttons, signal lamps, change-over switches and the like, and is combined into an integrated element on the panel body 1, so that the operation is simpler, the function is stronger, and the drawer panel has intelligence.

The above description is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.

Claims

1. The utility model provides a low pressure switchgear's drawer panel, low pressure switchgear is the cabinet body that is formed with a plurality of drawers, its characterized in that, drawer panel is used for installing the uncovered department at the drawer, is equipped with the connection structure of being convenient for pull out or push in with the drawer between, and drawer panel includes:

a panel body (1) which adopts a liquid crystal display panel and is provided with a touchable display area (2) on the surface;

the metal protection cover (5) is of a three-dimensional frame structure as a whole and is detachably and fixedly connected with the panel body (1) to form an internal installation space;

the interlocking mechanism (3) for opening the door is used for locking and unlocking the drawer panel according to the on-off state of the circuit breaker in the drawer;

And the host machine (8) is assembled in the internal installation space and is used for being electrically connected with the panel body (1) and components in the drawer.

2. Drawer panel of a low-voltage switchgear assembly according to claim 1, characterized in that the host (8) is provided with rows of slot terminals (9) comprising terminals for access to the input, terminals for access to the output and terminals for access to different communication protocols.

3. Drawer panel of a low-voltage switchgear assembly according to claim 2, characterized in that the side of the metal protection cover (5) facing away from the panel body (1) is provided with a threading hole (6), the threading hole (6) being used for passing a wire harness required between the drawer and the drawer panel.

4. A drawer panel of a low-voltage switchgear assembly according to claim 3, characterized in that the connection structure comprises a number of built-in hinges (4) mounted on one side of the metal protection cover (5), the side of the built-in hinges (4) remote from the metal protection cover (5) being connected to the drawer.

5. Drawer panel of a low-voltage switchgear assembly according to claim 2, characterized in that the built-in hinge (4) is made of zinc-aluminium alloy and the mounting is achieved with self-tapping screws.

6. The drawer panel of the low-voltage switchgear assembly according to claim 5, characterized in that the door-opening interlocking mechanism (3) comprises an electromagnet, a padlock device and an on-off button;

The closing and opening button is used for triggering a door opening request and is embedded on the surface of the panel body (1).

7. Drawer panel of a low-voltage switchgear assembly according to claim 2, characterized in that the side wall of the metal protection cover (5) facing the panel body (1) is provided with a plurality of reinforcing ribs (10), and wiring grooves (7) are formed between the reinforcing ribs (10).