CN214045167U - Mobile emergency direct-current power supply system of transformer substation - Google Patents
Mobile emergency direct-current power supply system of transformer substation Download PDFInfo
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- CN214045167U CN214045167U CN202022726726.7U CN202022726726U CN214045167U CN 214045167 U CN214045167 U CN 214045167U CN 202022726726 U CN202022726726 U CN 202022726726U CN 214045167 U CN214045167 U CN 214045167U
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Abstract
The utility model discloses a transformer substation mobile emergency direct current power supply system, which comprises a mobile high-frequency charging device and a mobile battery box device; the mobile high-frequency charging device comprises a charging cabinet body, wherein at least one 220V high-frequency charging module and one 110V high-frequency charging module are arranged in the charging cabinet body and are used for charging a 100Ah/220V battery pack and a 100Ah/110V battery pack respectively; the movable battery box device comprises a battery box cabinet body, wherein a 100Ah/220V battery pack or a 100Ah/110V battery pack is arranged in the battery box cabinet body; the pulleys are installed at four corners of the bottom of the charging cabinet body and the four corners of the bottom of the battery box cabinet body, and the mobile high-frequency charging device and the mobile battery box device are connected through quick connectors. The utility model discloses safe and reliable more and save time, laborsaving during the operation, practice thrift direct current system transformation, the time that the battery maintained the change, so have fine economy and social.
Description
Technical Field
The utility model relates to an electric power engineering technique, concretely relates to portable emergent direct current power supply system of transformer substation.
Background
The direct-current power supply system of the transformer substation mainly comprises a direct-current charging screen and a storage battery pack, the direct-current power supply is mainly used for important loads such as signal equipment, protection, automatic devices and switching-on and switching-off operations in the transformer substation and serves as an independent power supply, and under the condition of alternating current power loss, a backup power supply can still be used, namely, a storage battery is used for supplying power, so that the direct-current power supply system is reliable, stable and uninterrupted. However, one substation is conventionally provided with a set of direct current power supply system, when the direct current system is transformed, old equipment is removed, and new equipment is not installed and put into operation, and when the whole storage battery pack is replaced and maintained, if the direct current power supply is lost at the moment, the total station loses the direct current power supply, relay protection is rejected, and if the power grid fails, the power grid accident is further expanded, and the safe operation of the power grid is seriously influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a portable emergent DC power supply system of transformer substation is provided, the problem of overhauing or maintaining DC power supply system under the solution uninterrupted power source condition.
In order to solve the technical problem, the utility model adopts the following technical scheme: a transformer substation mobile emergency direct-current power supply system comprises a mobile high-frequency charging device and a mobile battery box device;
the mobile high-frequency charging device comprises a charging cabinet body, wherein a plurality of high-frequency charging modules which run in parallel are arranged in the charging cabinet body, at least one 220V high-frequency charging module and one 110V high-frequency charging module are arranged in the plurality of high-frequency charging modules, and the high-frequency charging modules are used for charging a 100Ah/220V battery pack and a 100Ah/110V battery pack respectively;
the movable battery box device comprises a battery box cabinet body, wherein a 100Ah/220V battery pack or a 100Ah/110V battery pack is arranged in the battery box cabinet body;
the pulleys are installed at four corners of the bottom of the charging cabinet body and four corners of the bottom of the battery box cabinet body, the mobile high-frequency charging device and the mobile battery box device are connected through quick joints, and the top of the charging cabinet body and the top of the battery box cabinet body are provided with lifting rings.
Preferably, at least two layers of battery trays are arranged inside the battery box cabinet body, and the 100Ah/220V battery pack or the 100Ah/110V battery pack is installed on the battery trays in a layered mode.
Preferably, the battery tray is provided with a separating strip for separating two adjacent batteries.
Preferably, a limiting strip is arranged at the middle position of the front side of the battery box cabinet body, corresponding to the height of each layer of battery pack.
Preferably, the back of the battery box cabinet body is provided with a ventilation and heat dissipation hole.
Preferably, the lateral wall outside is equipped with the heat dissipation chamber about the battery box cabinet body, the top in heat dissipation chamber is equipped with the air intake, the bottom is equipped with the air outlet, the lateral wall is equipped with the heat dissipation muscle about the battery box cabinet body, radiator fan is installed at the top of the battery box cabinet body, radiator fan blows to the heat dissipation intracavity through the air intake.
Preferably, the top of the battery box cabinet body is provided with a V-shaped surface which inclines from the middle to the left side and the right side, the cooling fan is installed above the middle top of the V-shaped surface, a spray pipe which extends forwards and backwards is arranged above the middle top of the V-shaped surface, the spray pipe is provided with two rows of water outlet holes which correspondingly discharge water to the inclined surfaces on the two sides of the V-shaped surface, a water receiving groove is arranged below the air outlet, a water supply pipe is connected between the water receiving groove and the water outlet pipe, and the water supply pipe is connected with a water pump.
Preferably, the heat dissipation muscle sets up and every layer of heat dissipation muscle is equipped with inclination along the direction of height layering to guide air and rivers from last down flow.
Preferably, the inside of the charging cabinet body is equipped with three at least rows of installation longerons along the left and right sides direction, the slide rail that extends around the installation longeron is equipped with, the front side and the rear side of slide rail are equipped with the constant head tank, the front portion of high frequency charging module and the rear portion left and right sides all are equipped with the location of L shape and detain, the location is detained and to be followed the slide rail and slide to after the high frequency charging module slides in the charging cabinet body completely, with the constant head tank lock.
The utility model discloses a technical scheme, following beneficial effect has:
the battery box cabinet body is internally provided with a 100Ah/220V battery pack or a 100Ah/110V battery pack, the mobile high-frequency direct-current charging device can output two voltages of DC220V and DC110V, the battery packs with two voltage grades can be charged, and the battery box cabinet has good use flexibility.
The pulleys are installed at four corners of the bottom of the charging cabinet body and four corners of the bottom of the battery box cabinet body, and the lifting rings are installed at the tops of the charging cabinet body and the battery box cabinet body, so that the charging cabinet is convenient to transport and move on site, and is arranged at corresponding positions in a transformer substation.
The mobile high-frequency charging device and the mobile battery box device are connected through the quick connectors, and the mobile high-frequency charging device and the mobile battery box device can be quickly connected.
The operation is safer and more reliable, time-saving and labor-saving, and the time for the transformation of a direct current system and the maintenance and replacement of the storage battery is saved, so that the method has good economic and social benefits.
Therefore, when the direct-current system of the transformer substation is transformed, the storage battery is maintained, the storage battery is replaced or the direct-current system fails, the original direct-current power supply system can be quickly replaced, so that the relay protection device and other secondary equipment of the transformer substation can still stably operate when the alternating current is lost, the fault probability of a power grid is reduced, and the problem of overhauling or maintaining the direct-current power supply system under the condition of uninterrupted power supply is solved.
The specific technical solution and the advantages of the present invention will be described in detail in the following detailed description with reference to the accompanying drawings.
Drawings
The invention will be further described with reference to the accompanying drawings and specific embodiments:
fig. 1 is a schematic front structural view of the mobile battery box device of the present invention;
fig. 2 is a schematic view of the back structure of the mobile battery box device of the present invention;
fig. 3 is a schematic side view of the portable battery box apparatus of the present invention;
fig. 4 is a schematic front structural view of the mobile high-frequency charging device of the present invention;
fig. 5 is a schematic back structural view of the mobile high-frequency charging device of the present invention;
FIG. 6 is a schematic diagram of the mobile high-frequency charging device of the present invention charging a 100Ah/220V battery pack and a 100Ah/110V battery pack;
fig. 7 is a schematic view of a module mounting structure of the high-frequency charging module;
in the figure: 1-movable battery box device, 10-battery box body, 101-pulley, 102-lifting ring, 103-ventilation heat dissipation hole, 104-handrail, 105-V-shaped surface, 106-water receiving groove, 11-battery, 111-battery tray, 112-separating strip, 113-limiting strip, 12-heat dissipation cavity, 121-heat dissipation rib, 13-battery box heat dissipation fan, 14-water spraying pipe, 15-water supply pipe, 16-water pump, 2-movable high-frequency charging device, 20-charging box body, 201-installation longitudinal beam, 202-sliding rail, 203-positioning groove, 21-220V high-frequency charging module, 211-positioning buckle, 22-110V high-frequency charging module and 23-charging heat dissipation fan.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. Such terms as "upper", "lower", and the like, indicating an orientation or positional relationship, are based only on the orientation or positional relationship shown in the drawings and are merely for convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device/element referred to must have a particular orientation or be constructed and operated in a particular orientation and therefore should not be construed as limiting the invention.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
It will be appreciated by those skilled in the art that features from the examples and embodiments described below may be combined with each other without conflict.
As shown in fig. 1 to 7, a mobile emergency dc power supply system of a transformer substation includes a mobile high-frequency charging device 2 and a mobile battery box device 1; wherein:
the mobile battery box device 1 comprises a battery box body 10, and a 100Ah/220V battery pack or a 100Ah/110V battery pack formed by combining a plurality of batteries 11 is arranged in the battery box body.
The mobile high-frequency charging device 2 comprises a charging cabinet body 20, wherein a plurality of high-frequency charging modules which run in parallel are arranged in the charging cabinet body, at least one 220V high-frequency charging module 21 and one 110V high-frequency charging module 22 are arranged in the plurality of high-frequency charging modules, and the high-frequency charging modules are used for charging a 100Ah/220V battery pack and a 100Ah/110V battery pack respectively.
Because the battery box cabinet body is internally provided with the 100Ah/220V battery pack or the 100Ah/110V battery pack, the mobile high-frequency direct current charging device can output two voltages of DC220V and DC110V, can charge the storage battery packs with two voltage levels, has good use flexibility, saves equipment purchasing funds due to multiple purposes of one machine, and has good economic and social benefits.
Further, the mobile high-frequency charging device 2 and the mobile battery box device 1 are connected by a connecting wire with a quick connector, and the quick connector is commercially available. The quick connection of the mobile high-frequency charging device and the mobile battery box device can be realized.
In order to move conveniently, pulleys 101 are installed at four corners of the bottom of the charging cabinet body and the bottom of the battery box cabinet body, and lifting rings 102 are installed at the top of the charging cabinet body and the top of the battery box cabinet body. The charging cabinet body and the battery box cabinet body are further provided with handrails 104. Therefore, the transformer substation is convenient to transport and move on site and is arranged at a corresponding position in the transformer substation.
When the electric quantity of the standby storage battery pack is insufficient due to transformation of a direct current system of a transformer substation, maintenance of the storage battery, replacement of the storage battery or fault input of the direct current system. The mobile high-frequency charging device is moved to the vicinity of the standby battery pack to be charged, and the quick connector is connected to the battery pack. And turning on a device switch to wait for the device to start charging by pressing a start button after detection is finished, and sending out a voice prompt by the device after charging is finished. The standby battery pack can be charged quickly, and the standby battery pack can supply power for the direct-current power supply system uninterruptedly. And the device can set up quick charge mode, can be full of the group battery in the short time, can improve charge efficiency and reduce equipment purchase expense simultaneously.
As shown in fig. 1, at least two layers of battery trays 111 are arranged inside the battery box body 10, and the 100Ah/220V battery pack or the 100Ah/110V battery pack is mounted on the battery trays in a layered manner. Moreover, the battery tray is provided with a separating strip 112 for separating two adjacent batteries, and a gap is also arranged between the upper layer of batteries and the lower layer of batteries to ensure the heat dissipation of the batteries. In this embodiment, the distance between two adjacent batteries in the transverse direction is ensured to be 15mm, and the distance between an upper battery layer and a lower battery layer is ensured to be 150 mm.
Due to the fact that the battery box is required to be transported and moved, in order to stabilize the position of the battery, a limiting strip 113 is arranged at the middle position, corresponding to the height of each layer of battery pack, of the front side and the rear side of the battery box body, and the limiting strip is arranged after the battery packs are installed.
In order to realize the heat dissipation of the battery box body, the back of the battery box body 10 is provided with a ventilation and heat dissipation hole 103. The prior art also can set up the ventilation louvre about the battery box cabinet body, but because group battery is more, calorific capacity is great, and the heat dissipation demand is difficult to satisfy in conventional setting. Therefore, in this embodiment, a reinforced heat dissipation structure is provided, specifically, as shown in fig. 3, a heat dissipation chamber 12 is provided on the outer side wall of the left and right sides of the battery box cabinet body, an air inlet is provided at the top of the heat dissipation chamber, an air outlet is provided at the bottom of the heat dissipation chamber, heat dissipation ribs 121 are provided on the outer side wall of the left and right sides of the battery box cabinet body, a battery box heat dissipation fan 13 is installed at the top of the battery box cabinet body, and the battery box heat dissipation fan 13 blows air into the heat dissipation chamber 12 through the air inlet.
Furthermore, a V-shaped surface 105 which inclines from the middle to the left side and the right side is arranged at the top of the battery box cabinet body, the battery box cooling fan 13 is installed above the middle top of the V-shaped surface, a water spray pipe 14 which extends front and back is arranged above the middle top of the V-shaped surface, the water spray pipe 14 is provided with two rows of water outlet holes which correspondingly discharge water to the inclined surfaces at the two sides of the V-shaped surface, a water receiving groove 106 is arranged below the air outlet, a water supply pipe 15 is connected between the water receiving groove and the water outlet pipe, and the water supply pipe is connected with a water pump 16. Thus, the combination of air-cooled heat dissipation and water-cooled heat dissipation is realized.
Further, the heat dissipation ribs 121 are arranged in layers along the height direction, and each layer of heat dissipation ribs is provided with an inclination angle, so that air and water flow are guided to flow from top to bottom.
The back of the charging cabinet body is provided with an alternating current power supply input interface for connecting an alternating current power supply, and is provided with a 220V direct current output interface and a 110V direct current output interface which are correspondingly connected with a 220V high-frequency charging module and a 110V high-frequency charging module.
In order to ensure heat dissipation, a charging heat dissipation fan 23 is installed on the back surface of the charging cabinet body. As shown in fig. 1, in this embodiment, an upper space and a lower space are provided in the charging cabinet, wherein at least two 220V high-frequency charging modules 21 are arranged in the upper space side by side, at least two 110V high-frequency charging modules 22 are arranged in the lower space side by side, and a charging cooling fan 23 is respectively provided corresponding to the upper space and the lower space.
In order to facilitate the assembly of the plurality of high-frequency charging modules in the charging cabinet body, as shown in fig. 7, at least three rows of mounting longitudinal beams 201 are arranged inside the charging cabinet body 20 along the left-right direction, the front end and the rear end of each mounting longitudinal beam are fixed on a mounting cross beam, each mounting longitudinal beam is provided with a slide rail 202 extending front and rear, the front side and the rear side of each slide rail are provided with positioning grooves 203, the left side and the right side of the front portion and the rear portion of each high-frequency charging module are provided with L-shaped positioning buckles 211, and the positioning buckles can slide along the slide rails and are buckled with the positioning grooves after the high-frequency charging modules completely slide into the charging cabinet body.
The using method comprises the following steps:
(1) the storage battery pack charging and discharging test is that the transformer substation direct-current power supply device is utilized to operate the movable battery box device and the transformer substation storage battery pack in parallel, then the transformer substation storage battery pack is withdrawn, the original 50% rated voltage is used for the checking charging and discharging test of the storage battery pack of the transformer substation, and the 100% rated voltage is used for the checking charging and discharging test, so that the storage battery pack is thoroughly discharged, the service life is prolonged, the reconstruction period is prolonged, and the capital investment is reduced.
(2) The storage battery pack is replaced, the transformer substation direct-current power supply device is utilized, the movable battery box device and the transformer substation storage battery pack are operated in parallel, then the transformer substation storage battery pack is withdrawn, a new storage battery is arranged on a transformer substation storage battery cabinet, only 1 battery is needed to be rotated, time and labor are saved, and battery pack replacement efficiency is improved.
Therefore, when the direct-current system of the transformer substation is transformed, the storage battery is maintained, the storage battery is replaced or the direct-current system fails, the original direct-current power supply system can be quickly replaced, so that the relay protection device and other secondary equipment of the transformer substation can still stably operate when the alternating current is lost, the fault probability of a power grid is reduced, and the problem of overhauling or maintaining the direct-current power supply system under the condition of uninterrupted power supply is solved.
In addition to the above preferred embodiments, the present invention has other embodiments, and those skilled in the art can make various changes and modifications according to the present invention without departing from the spirit of the present invention, which should fall within the scope defined by the appended claims.
Claims (9)
1. The utility model provides a portable emergent direct current power supply system of transformer substation which characterized in that: comprises a mobile high-frequency charging device and a mobile battery box device;
the mobile high-frequency charging device comprises a charging cabinet body, wherein a plurality of high-frequency charging modules which run in parallel are arranged in the charging cabinet body, at least one 220V high-frequency charging module and one 110V high-frequency charging module are arranged in the plurality of high-frequency charging modules, and the high-frequency charging modules are used for charging a 100Ah/220V battery pack and a 100Ah/110V battery pack respectively; the movable battery box device comprises a battery box cabinet body, wherein a 100Ah/220V battery pack or a 100Ah/110V battery pack is arranged in the battery box cabinet body;
pulleys are mounted at four corners of the bottom of the charging cabinet body and the four corners of the bottom of the battery box cabinet body, and the movable high-frequency charging device and the movable battery box device are connected through quick connectors; rings are installed at the tops of the charging cabinet body and the battery box cabinet body.
2. The substation mobile emergency direct-current power supply system according to claim 1, wherein: at least two layers of battery trays are arranged in the battery box cabinet body, and 100Ah/220V battery packs or 100Ah/110V battery packs are installed on the battery trays in a layered mode.
3. The substation mobile emergency direct-current power supply system according to claim 2, wherein: and the battery tray is provided with a separation strip for separating two adjacent batteries.
4. The substation mobile emergency direct-current power supply system according to claim 2, wherein: and a limiting strip is arranged at the middle position of the front side of the battery box cabinet body, which corresponds to the height of each layer of battery pack.
5. A substation mobile emergency DC power supply system according to any one of claims 1 to 4, characterized in that: and the back surface of the battery box cabinet body is provided with a ventilation and heat dissipation hole.
6. The substation mobile emergency direct-current power supply system according to claim 1, wherein: the battery box cabinet comprises a battery box cabinet body and is characterized in that a heat dissipation cavity is arranged on the outer side wall of the left side and the outer side wall of the right side of the battery box cabinet body, an air inlet is formed in the top of the heat dissipation cavity, an air outlet is formed in the bottom of the heat dissipation cavity, heat dissipation ribs are arranged on the outer side wall of the left side and the outer side wall of the right side of the battery box cabinet body, a heat dissipation fan is installed at the top of the battery box cabinet body, and the heat dissipation fan blows air into the heat dissipation cavity through the air inlet.
7. The substation mobile emergency direct-current power supply system according to claim 6, wherein: the battery box is characterized in that a V-shaped surface which inclines from the middle to the left side and the right side is arranged at the top of the battery box body, the cooling fan is installed above the middle top of the V-shaped surface, a water spray pipe which extends forwards and backwards is arranged above the middle top of the V-shaped surface, the water spray pipe is provided with two rows of water outlet holes which correspondingly discharge water to the inclined surfaces of the two sides of the V-shaped surface, a water receiving groove is arranged below the air outlet, a water supply pipe is connected between the water receiving groove and the water outlet pipe, and the water supply pipe is connected with a water pump.
8. The substation mobile emergency direct current power supply system according to claim 7, wherein: the heat dissipation muscle sets up and every layer of heat dissipation muscle is equipped with inclination along direction of height layering to guide air and rivers from last down flow.
9. The substation mobile emergency direct-current power supply system according to claim 1, wherein: the inside of the charging cabinet body is equipped with three at least rows of installation longerons along the left and right directions, the slide rail that extends around the installation longeron is equipped with, the front side and the rear side of slide rail are equipped with the constant head tank, the anterior and the rear portion left and right sides of high frequency charging module all are equipped with the location of L shape and detain, the location is detained and to be followed the slide rail and slide to after the high frequency charging module slides into the charging cabinet body completely, with the constant head tank lock.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022726726.7U CN214045167U (en) | 2020-11-23 | 2020-11-23 | Mobile emergency direct-current power supply system of transformer substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022726726.7U CN214045167U (en) | 2020-11-23 | 2020-11-23 | Mobile emergency direct-current power supply system of transformer substation |
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| Publication Number | Publication Date |
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| CN214045167U true CN214045167U (en) | 2021-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022726726.7U Active CN214045167U (en) | 2020-11-23 | 2020-11-23 | Mobile emergency direct-current power supply system of transformer substation |
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- 2020-11-23 CN CN202022726726.7U patent/CN214045167U/en active Active
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