CN201584804U - Low-voltage emergency access device of generator car - Google Patents

Abstract

The utility model provides a low-voltage emergency access device of a generator car. The low-voltage emergency access device comprises an emergency distribution box, in which a connector is arranged; one end of the connector is provided with an interface; the interface is arranged on a panel of the emergency distribution box; a connecting part is arranged at the other end of the connector; the connecting part is connected with a low-voltage cabinet required for power supply, a socket is also arranged on the emergency distribution box; and one end of a cable is connected with the connector interface, and the other end of the cable is connected with the generator car. Due to adoption of the low-voltage emergency access device of the generator car provided by the utility model, the utility model overcomes the defect that the cable of the generator car adopts a copper lug to be connected with a low-voltage system, which is severely influenced by the form of the low-voltage cabinet, and requires connection points selected according to different cabinet types on site, so that for a compact switch cabinet, a totally-closed switch cabinet and a multi-layer bus switch cabinet, no connecting point available for the generator car on site to connect with the switch cabinet is likely to happen, and electricity can not be supplied. Additionally, the low-voltage emergency access device achieves in-time and reliable power supply effect.

Description

Low-voltage emergency access device for generator cars

technical field

The utility model relates to a low-voltage emergency access device for a generator car.

Background technique

The prime mover used in the generator set of the generator car is usually a gas turbine developed on the basis of aero-engine technology, which has the advantages of low emission, low noise, small vibration, no need for cooling water, high degree of automation, good power generation quality, small size and light weight. , rapid movement, high utilization rate, strong maneuverability and independent working ability, fast connection with the external environment, convenient operation and simple maintenance. Generator cars are widely used in the fields of modern communications, modern industry, commercial finance, medical services, municipal construction, mining, traffic management, military equipment, sports facilities, etc. It can also play an important role in disaster resistance, engineering construction and execution of temporary special tasks. At present, the cable terminals of the generator cars used in the Beijing market are usually copper cold-pressed terminals (copper noses). The types of low-voltage cabinets in low-voltage cabinets in the Beijing market mainly include the following types: PGL, BSL, JYD, BM6 (MD190 and 8PT), etc. Due to different models, the internal structure of low-voltage cabinets is also different. The development of low-voltage cabinet switchgear in the future The direction is closed, compact and the main conductor adopts the form of multi-layer busbar (for example: BM6, 8PT and MD190, etc.).

The inventor found that there are at least the following problems in the prior art: when the cable of the generator car is connected to the low-voltage system with a copper nose, it is seriously affected by the form of the low-voltage cabinet, and the connection point needs to be selected on site according to different cabinet types. Type switchgear, fully enclosed switchgear, multi-layer busbar switchgear, the generator car has no connection point to the site, and cannot supply power.

Utility model content

The utility model aims to provide a low-voltage emergency access device for a generator car, which can solve the problem that when the cable of the generator car is connected to the low-voltage system with a copper nose, it is seriously affected by the form of the low-voltage cabinet, and the connection point needs to be selected on site according to different cabinet types. This is likely to cause problems such as compact switchgear, fully enclosed switchgear, and multi-layer busbar switchgear, where the generator car has no connection point to the site and cannot supply power.

In an embodiment of the present invention, a low-voltage emergency access device for a generator car is provided, including: an emergency distribution box with a connector inside, and one end of the connector has an interface, and the interface is arranged on the panel of the emergency distribution box On the other end of the connector, there is a connecting piece, which is connected to the low-voltage cabinet that needs power supply, and there is also a socket on the emergency distribution box; one end of the cable is connected to the connector interface, and the other end is connected to the generator car.

Preferably, the emergency distribution box has a plurality of connectors.

Preferably, the emergency distribution box has multiple sockets.

Preferably, the connector interface is plugged or clamped or screwed or spring clamped connected to the cable end.

Preferably, a micro switch is provided on the connector, and preferably, the cable is formed by plugging multiple sections of cables end to end.

Preferably, the interface and the socket are respectively arranged on two opposite panels of the emergency distribution box.

Preferably, the interface panel and the socket panel are respectively provided with protective covers, and the protective covers are spring-loaded covers.

Preferably, color markings are painted on the connector interface.

Preferably, the socket panel of the emergency distribution box is provided with a touch protection device.

Due to the adoption of the low-voltage emergency access device of the generator car according to the utility model, it is overcome that when the cable of the generator car is connected to the low-voltage system with a copper nose, it is seriously affected by the form of the low-voltage cabinet, and the connection point needs to be selected on site according to different cabinet types. In this way, for compact switchgear, fully enclosed switchgear, and multi-layer busbar switchgear, there is no connection point between the generator car and the site, and the problem of power supply cannot be achieved, thereby achieving the effect of timely and reliable power supply.

Description of drawings

The drawings described here are used to provide a further understanding of the utility model and constitute a part of the application. The schematic embodiments of the utility model and their descriptions are used to explain the utility model and do not constitute improper limitations to the utility model. In the attached picture:

Fig. 1 schematically shows the structure of an interface panel according to an embodiment of the present invention;

Fig. 2 schematically shows the structure of a socket panel according to an embodiment of the present invention;

Fig. 3 schematically shows a connection structure of cables according to an embodiment of the present invention.

Detailed ways

The utility model will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.

Fig. 1 schematically shows the structure of an interface panel according to an embodiment of the present invention. Referring to Fig. 2 and Fig. 3 together, as shown in the figure, in the embodiment of the present utility model, an emergency distribution box 1 is provided, which is provided with a connector, and one end of the connector has an interface 11, and the interface 11 is located on On the panel of the emergency distribution box 1, the other end of the connector is provided with a connector 18, the connector 18 is connected to the low-voltage cabinet that needs power supply, and the emergency distribution box 1 is also provided with a socket 13, and the socket 13 can be used for In some special cases, the user can directly use electricity through the socket 13, which is convenient and fast; one end of the cable 2 is connected to the connector interface 11, and the other end is connected to the power generation vehicle. In order to minimize or even not move the on-site low-voltage cabinet, a suitable location can be found on the client side, and the emergency distribution box 1 and the low-voltage cabinet can be connected through the cable 2. Considering the actual remaining space of the low-voltage cabinet and the installation location, the emergency distribution box 1 can be wall-mounted or floor-mounted. The analysis of different types of low-voltage cabinets such as MNS, JYD, and BM6 found that there is a space in the lower part of the low-voltage cabinet for installing low-voltage emergency power distribution access devices.

Therefore, the low-voltage emergency access device of the generator car of the present invention is equipped with a corresponding number of emergency distribution boxes 1 according to the size of the emergency load, which effectively saves space and cost and is convenient for installation and replacement. The structure of the emergency distribution box 1 is shown in Fig. 1 and Fig. 2. If necessary, multiple emergency distribution boxes 1 can be combined to meet different load demands. When the utility model is applied to a new building, a space for installing the low-voltage emergency access device of the generator car can be reserved at the outer wall of the building at the beginning of the design, which can reduce the dragging of the staff after the generator car arrives at the scene. The workload of pulling the cable is greatly reduced and the usage of the cable is greatly reduced. This solution designs different low-voltage emergency access devices for generator cars for different power distribution rooms, so it can ensure that the generator cars can be connected to the low-voltage system quickly, safely and reliably after arriving at the site. Some residential quarters are not equipped with dual-circuit power supply or diesel generator set, so the generator car will play a great role in backup power supply. For some occasions that require political power protection, the generator car will also play its role as a backup power source.

As shown in Figure 1 and Figure 2, preferably, the emergency distribution box 1 has multiple connectors. In this way, there are multiple connector joints 11 and connecting pieces 18, which is convenient to use. Preferably, the emergency distribution box 1 has multiple sockets 13 . There is a complete coding system between each pair of socket 13 and the plug, so the possibility of misplugging can be reduced to zero, and the protection level of the interface and socket can reach IP65, which can be used in outdoor rainy weather, and the socket and interface It meets the requirements of double insulation or reinforced insulation.

Preferably, the connector interface 11 is plugged or clamped or screwed or spring clamped connected to the end of the cable 2 . Since the connection mode of the cable connection device is a plug-in or clamping type, and the connection mode of the cable is a plug connection or a clamp connection or a screw connection or a spring clamp connection, the length of the cable 2 can be adjusted, and the length of the cable 2 can be adjusted. can be controlled. In order to prevent artificial disconnection of the connection between the connector interface 11 and the end of the cable 2, a locking ring (not shown in the figure) is installed at the connection between the two, making the connection safer and more reliable.

Preferably, a micro switch is provided on the connector. This micro switch is a completely changed switch. It has 3 flat connecting strips, the size is 2.8mm×0.5mm, and the switching capacity is 6A, 250VAC. Once the equipment is installed, the micro switch immediately changes state, indicating that the plug The connection has been made and the microswitch acts as a locking system and monitors the mating condition.

As shown in FIG. 3 , preferably, the cable 2 is formed by plugging multiple sections of cables 21 and 22 end to end. The body of the generator car is generally large. When the low-voltage power distribution room is in a narrow street, it is difficult for the generator car to get close to the user end. At this time, it is necessary to have a cable 2 of sufficient length, and the length of the cable equipped on each generator car is limited. , by using the new type of cable 2, which is formed by multi-section cables 21 and 22 plugged end to end, it will avoid the phenomenon that the generator car cannot work even if it is driven to the scene due to insufficient cable length, thereby solving the problem of Problems posed by limited cable lengths. The cables 21 , 22 with two sizes of cable glands can effectively relieve the cable stress and protect the effective contact of the cable 2 .

As shown in Figures 1 and 2, preferably, the interface 11 and the socket 13 are respectively arranged on two opposite panels 112, 131 of the emergency distribution box 1. In this way, the operation is convenient and the appearance is beautiful.

As shown in FIG. 1 and FIG. 2 , preferably, the interface panel 112 and the socket panel 131 are respectively provided with protective covers 3 , and the protective covers 3 are spring-loaded covers. The protective cover 3 is a hinged spring-loaded cover for the receptacle panel 131 . The protective cover 3 covers the opened socket 13 to prevent dust and splashed water from entering the socket 13 . In order to prevent man-made destruction and theft etc., protective cover 3 can also be locked with padlock. The protective cover 3 is arranged on the interface panel 112 and the socket panel 131 to prevent dust and water vapor from entering when the cable 2 is pulled out. And in order to prevent loss, a rope can be tied on the protective cover 3, and the other end is tied on the fixing device.

Preferably, color marks are painted on the connector interface 11 . In this way, it is safe, reliable and easy to operate. The insulating layers of the cable socket 13 and the interface 11 are coated with clearly visible color marks, so that the plugging and unplugging of each phase can be clearly distinguished during installation.

Preferably, a touch protection device is provided on the panel of the socket 13 of the emergency distribution box 1 . In this way, the socket panel 131 on the emergency distribution box 1 is designed with a touch protection function in the unmated state, which can effectively prevent the occurrence of electric shock and is safe and reliable.

From the above description, it can be seen that the above-mentioned embodiments of the utility model have achieved the following technical effects:

Due to the adoption of the low-voltage emergency access device of the generator car according to the utility model, it is overcome that when the cable of the generator car is connected to the low-voltage system with a copper nose, it is seriously affected by the form of the low-voltage cabinet, and the connection point needs to be selected on site according to different cabinet types. In this way, for compact switchgear, fully enclosed switchgear, and multi-layer busbar switchgear, there is no connection point between the generator car and the site, and the problem of power supply cannot be achieved, thereby achieving the effect of timely and reliable power supply. This solution designs different low-voltage emergency access devices for generator cars for different power distribution rooms, so it can ensure that the generator cars can be connected to the low-voltage system quickly, safely and reliably after arriving at the site. Some residential quarters are not equipped with dual-circuit power supply or diesel generator sets, so the generator car will play a great role as a backup power source. For some occasions that require political power protection, the generator car will also play an important role as a backup power source. sex.

The above descriptions are only preferred embodiments of the utility model, and are not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.

Claims (10)

1. A low-voltage emergency access device for a generator car, characterized in that it comprises: An emergency distribution box (1), which is provided with a connector, and one end of the connector has an interface (11), and the interface (11) is arranged on the panel of the emergency distribution box (1), and the connection The other end of the device is provided with a connector (18), and the connector (18) is connected to the low-voltage cabinet that needs power supply, and the emergency distribution box (1) is also provided with a socket (13); One end of the cable (2) is connected to the interface (11) of the emergency distribution box (1), and the other end is connected to the generator car. 2. The low-voltage emergency access device for a power generation vehicle according to claim 1, characterized in that the emergency distribution box (1) has a plurality of connectors. 3. The low-voltage emergency access device for generating vehicles according to claim 1, characterized in that the emergency distribution box (1) has a plurality of sockets (13). 4. The low-voltage emergency access device of a power generation vehicle according to claim 1, characterized in that, the connector interface (11) is plugged or clamped or screwed or spring connected to the end of the cable (2) Snap connection. 5. The low-voltage emergency access device for a generator vehicle according to claim 1, wherein a micro switch is provided on the connector. 6. The low-voltage emergency access device for a power generation vehicle according to claim 1, characterized in that the cable (2) is formed by plugging end to end of multiple sections of cables (21, 22). 7. The low-voltage emergency access device of a power generation vehicle according to claim 1, characterized in that, the interface (11) and the socket (13) are respectively arranged on the interface panel (112) of the emergency distribution box (1) and on the socket panel (131). 8. The low-voltage emergency access device for power generation vehicles according to claim 7, characterized in that, the interface panel (112) and the socket panel (131) are respectively provided with protective covers (3), and the protective covers (3) is a spring-loaded cover. 9. The low-voltage emergency access device for a power generation vehicle according to claim 1, characterized in that, the connector interface (11) is painted with color marks. 10. The low-voltage emergency access device for a power generation vehicle according to claim 1, characterized in that a touch protection device is provided on the socket panel (131) of the emergency distribution box (1).

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