CN213521388U - Intelligent emergency safety power supply device - Google Patents
Intelligent emergency safety power supply device Download PDFInfo
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- CN213521388U CN213521388U CN202021701808.XU CN202021701808U CN213521388U CN 213521388 U CN213521388 U CN 213521388U CN 202021701808 U CN202021701808 U CN 202021701808U CN 213521388 U CN213521388 U CN 213521388U
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Abstract
The utility model relates to an intelligent emergency security power supply device, which comprises at least one power module, a bypass system and an output power distribution unit, wherein the power module comprises a rectifier module, an inverter module, an energy storage module, an intelligent monitoring and control module, a direct current bus system module, a static switch module and a driving and protecting unit; the output power distribution unit comprises an intelligent alternating current output power distribution unit and an intelligent direct current output power distribution unit; the rectification module is connected with the main power supply through the filtering module; then, the input direct current converter module and the direct current bus system module are sequentially connected, and the direct current bus system module is respectively connected with the inversion module, the energy storage module and the intelligent direct current output power distribution unit; the direct current bus system module is connected with the energy storage module and the output direct current converter; the inversion module is connected with the static switch module; the static switch module is connected with the intelligent alternating current output power distribution unit. The utility model has the advantages of can provide interchange and DC power supply guarantee, improve system security nature.
Description
Technical Field
The utility model relates to an emergent or stand-by power supply's circuit arrangement field, especially an emergent emergency security power supply device of intelligence.
Background
At present, a direct-current system of a 110KV transformer substation is composed of a charging module and a storage battery, an alternating-current power supply is generally provided by a station transformer, and the direct-current system loses the alternating-current power supply due to the fault of the station transformer or the system fault, the voltage loss of the station transformer, the self fault of the direct-current system and the like, the direct-current output of a charger is interrupted, or the charger is locked due to the fact that the power supply voltage fluctuation exceeds the power supply voltage range of the charger module, the direct-current output is interrupted, and risks and hidden dangers are brought to the safe operation of the whole transformer substation.
The transformer substation direct current system storage battery pack is generally formed by connecting 104 storage batteries of 2V in series, wherein one storage battery is abnormal, so that the whole group of storage batteries is abnormal, and if one storage battery is in open circuit fault, the capacity of the whole group of storage batteries is reduced to zero. When the phenomenon occurs, the transformer substation loses the direct-current power supply, the direct-current power supply cannot be provided for the protection device and the automatic device of the transformer substation, the switch of the transformer substation cannot be switched on and off, partial or even total station voltage loss may be caused by faults of the transformer substation, equipment is seriously damaged or a large-area power failure accident may be caused, and risks and hidden dangers are brought to safe operation of the whole transformer substation.
Therefore, in order to improve the safety and reliability of the electric equipment, the structure of the emergency power supply device is also continuously improved, and the invention of the chinese patent is: an intelligent energy storage type emergency power supply system (application publication number: CN103825351A) discloses an emergency power supply system, wherein the input end of a charger is connected with a main power supply input end of 380VAC through a rectifier switch, the output end of the charger is connected with one end of a battery switch and the input end of an inverter, and the other end of the battery switch is connected with a backup lithium ion power supply; the output end of the inverter is connected with the inverting input end of the static transfer switch, the bypass input end of the static transfer switch is connected with the main power supply input end of 380VAC through the commercial power bypass switch, the output end of the static transfer switch is connected with the input end of the output switch, and the output end of the output switch is connected with the load; one end of the maintenance bypass switch is connected with a main power input end of 380VAC, and the other end of the maintenance bypass switch is directly connected with a load; the emergency power supply device can solve the problem caused by the fault of a main power supply of 380VAC, but if the storage battery pack also has the fault, the direct-current power supply cannot be output, and the safe operation of a transformer substation is difficult to ensure when the transformer substation is used.
Still there is an emergency power supply device's structure like chinese utility model patent: an elevator emergency uninterrupted power supply device (authorization notice number: CN209267267U) comprises a machine body, a commercial power input end, a filter, a rectifier, a charger, a storage battery pack, an inverter and a static switch, the device comprises a bypass and a mains supply output end, wherein the mains supply input end, a filter, a rectifier, an inverter, a static switch and the mains supply output end are sequentially connected, the rectifier, a charger, a storage battery pack and the inverter are sequentially connected, a double-control switch is arranged between the storage battery pack and the inverter and comprises a first switch and a second switch connected with the first switch, the second switch comprises an external port and a long wire connected with the external port, the first switch and the second switch are both single-pole double-throw switches, the filter is connected with the static switch through the bypass, the mains supply input end is connected with a mains supply, the mains supply output end is provided with an alternating current load connected with the mains supply output end, and the functions of field control and; the emergency power supply device with the structure carries out remote control on the switch of the emergency power supply device through the long lead, improves the control convenience, but has the overall structure similar to that of the conventional emergency power supply device and can only play a role in guaranteeing when the commercial power fails.
Therefore, further research on emergency safety power supply devices for dc systems is required.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an emergent emergency security power supply unit of intelligence can provide the power for direct current system when input alternating current breaks down and the battery breaks down, ensures the safety of consumer.
In order to achieve the purpose of the utility model, an intelligent emergency security power supply device is provided, which comprises at least one power supply module, a bypass system and an output power distribution unit, wherein the power supply module comprises a rectifier module, an inverter module, an energy storage module, an intelligent monitoring and control module, a direct current bus system module, a static switch module and a driving and protecting unit; the bypass system comprises a first automatic bypass system and a second manual bypass system; the output power distribution unit comprises an intelligent alternating current output power distribution unit and an intelligent direct current output power distribution unit;
the rectification module is connected with a main power input end of external 380VAC through a filtering module; the rectification module is connected with an input direct current converter module, the input direct current converter module is connected with a direct current bus system module, and the direct current bus system module is respectively connected with an inversion module, an energy storage module and an intelligent direct current output power distribution unit; the direct current bus system module is connected with the super capacitor charging and discharging control module through a direct current switch and then connected with the energy storage module; the direct current bus system module is connected with the output direct current converter module through the direct current switch and then connected with the intelligent direct current output power distribution unit;
the intelligent monitoring and control module comprises a DSP control logic unit, an interface unit and a wireless monitoring module; the intelligent monitoring and control module is respectively connected with the rectifying module, the inverting module, the direct current bus system module, the static switch module and the input direct current converter module; the driving and protecting unit is respectively connected with the rectifying module and the inverting module;
the DSP control logic unit and the interface unit are bidirectionally connected with the driving and protecting unit, the DSP control logic unit and the interface unit are bidirectionally connected with the wireless monitoring module, and the DSP control logic unit and the interface unit are connected with the field monitoring unit;
the inversion module is connected with the static switch module; one end of the first automatic bypass system is connected with a main power supply input end of external 380VAC, and the other end of the first automatic bypass system is connected with the static switch module; one end of the second manual bypass system is connected with a main power supply input end of external 380VAC, and the other end of the second manual bypass system is connected with the intelligent alternating current output power distribution unit; the static switch module is connected with the intelligent alternating current output power distribution unit; and the intelligent alternating current output power distribution unit and the intelligent direct current output power distribution unit are connected with an external load.
Furthermore, two power supply modules are arranged, and each power supply module is provided with a corresponding first automatic bypass system; the two power supply modules are connected in parallel.
Furthermore, the energy storage module stores energy by adopting a super capacitor.
Further, the on-site monitoring unit is a touch screen display.
Furthermore, the wireless monitoring module adopts a 4G wireless monitoring module, and the wireless monitoring module is connected with the intelligent terminal through a 4G network.
Furthermore, the intelligent terminal is provided with corresponding APP control software, and can remotely control the DSP control logic unit and the interface unit through the wireless monitoring module.
Compared with the prior art, the utility model has the following advantages:
(1) by adopting a novel super-capacitor energy storage technology, the reliability is high, the service life is ultra-long, the cycle service life is long, the cycle times of deep charge and discharge can reach 100 ten thousand, and the charge and discharge speed is high; the high-current discharge capacity and the impact and vibration resistance are high, and the overall safety and reliability of the device are improved;
(2) the problem of locking of a charger caused by the fault of an alternating current power supply can be solved by outputting the alternating current;
(3) when the storage battery in the direct-current power supply system of the transformer substation fails and does not output, or when the charger fails, emergency direct-current power supply guarantee can be provided;
(4) the dual-power module parallel technology further ensures safety and high reliability;
(5) the super capacitor has the characteristic of no pollution and is a green and environment-friendly power supply;
(6) the super capacitor has excellent ultralow temperature characteristic, can work at higher environmental temperature, has the use environmental temperature range of-40 to +65 ℃, and can resist extreme weather temperature environment;
(7) the IGBT module design is optimized, the operation junction temperature of the IGBT module is optimized, and high safety redundancy is guaranteed.
Drawings
Fig. 1 is a working schematic diagram of an intelligent emergency safety power supply device of the utility model;
FIG. 2 is a partial connection structure diagram of an intelligent monitoring and control module of the intelligent emergency safety power supply device of the present invention;
fig. 3 is the utility model relates to an emergent emergency security power supply unit of intelligence adopts dual supply module to connect the structure chart.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, the utility model relates to an intelligent emergency security power supply device, which comprises at least one power module 1, a bypass system 2 and an output power distribution unit 3, wherein the power module 1 comprises a rectifier module 11, an inverter module 12, an energy storage module 13, an intelligent monitoring and control module 14, a dc bus system module 15, a static switch module 16 and a driving and protecting unit 17; the bypass system 2 comprises a first automatic bypass system 21, a second manual bypass system 22; the output power distribution unit 3 comprises an intelligent alternating current output power distribution unit 31 and an intelligent direct current output power distribution unit 32;
the rectification module 11 is connected with a main power input end of 380VAC through a filtering module 112; the rectifying module 11 is connected with the input direct current converter module 111, the input direct current converter module 111 is connected with the direct current bus system module 15, and the direct current bus system module 15 is respectively connected with the inversion module 12, the energy storage module 13 and the intelligent direct current output power distribution unit 32; the direct current bus system module 15 is connected with the super capacitor charging and discharging control module 131 through a direct current switch and then connected with the energy storage module 13, the energy storage module 13 can store energy by adopting a super capacitor or a storage battery, more super capacitors are used for storing energy, and the super capacitors can ensure that the energy storage module 13 has strong impact resistance and strong environment adaptability; the dc bus system module 15 is connected to the output dc converter module 321 through a dc switch, and then connected to the intelligent dc output power distribution unit 32;
as shown in fig. 2, the intelligent monitoring and control module 14 includes a DSP control logic unit and interface unit 141, and a wireless monitoring module 142; the intelligent monitoring and control module 14 is respectively connected with the rectification module 11, the inversion module 12, the direct current bus system module 15, the static switch module 16 and the input direct current converter module 111 for monitoring and controlling; DSP, namely Digital Signal Processing, Digital Signal Processing;
the driving and protecting unit 17 is respectively connected with the rectifying module 11 and the inverting module 12, the design of the IGBT module is optimized, the operation junction temperature of the IGBT module in the inverting module 12 is optimally designed and controlled, and high safety redundancy is ensured;
the DSP control logic unit and interface unit 141 are bidirectionally connected to the driving and protecting unit 17, the DSP control logic unit and interface unit 141 are bidirectionally connected to the wireless monitoring module 142, and the DSP control logic unit and interface unit 141 may also be connected to a field monitoring unit, such as a touch screen display, etc., which may implement control on site; generally, the wireless monitoring module 142 is a 4G wireless monitoring module, the wireless monitoring module 142 is connected to an intelligent terminal through a 4G network, and the intelligent terminal, such as a mobile phone, a tablet, and the like, is installed with corresponding APP control software, and can remotely control the DSP control logic unit and the interface unit 141 through the wireless monitoring module 142;
the inversion module 12 is connected with the static switch module 16; one end of the first automatic bypass system 21 is connected with a main power input end of 380VAC, and the other end is connected with the static switch module 16; one end of the second manual bypass system 22 is connected with a main power input end of 380VAC, and the other end is connected with the intelligent alternating current output power distribution unit 31; the static switch module 16 is connected with the intelligent alternating current output power distribution unit 31; the intelligent alternating current output power distribution unit 31 and the intelligent direct current output power distribution unit 32 are both connected with a load, and the load is a 110KV transformer substation direct current power supply system.
The Power supply module 1 may also be referred to as an ESPS module, namely, an insurance Power System.
As shown in fig. 3, in order to further ensure the safety of the emergency security power supply device, two power supply modules 1 are provided, and each power supply module 1 is provided with a corresponding first automatic bypass system 21; the two power modules 1 are connected in parallel, so that in case of failure of one power module 1, the other power module 1 can still work normally, the safety and the reliability of the emergency security power supply device are further improved, and the direct-current power supply system of the 110KV transformer substation can be effectively guaranteed.
When the intelligent emergency security power supply device is used, under the normal state of an alternating current power supply, a 380VAC main power supply is divided into two paths after passing through an AC/DC rectifier module, one path works through an inverter module 12 and is output to a load normal power supply state, and the other path charges an energy storage module 13 through a bidirectional DC/DC super capacitor charging and discharging control module 131; if the inverter module 122 has a fault (i.e. the IGBT module operates abnormally), automatically switching to the first automatic bypass system 21 to supply power to the load; the second manual bypass system 22 is used for maintenance, and the load is directly supplied with power through the second manual bypass system 22, so that the interior of the intelligent emergency security power supply device can be completely powered off, and the safety of maintenance is ensured;
when the alternating current power supply fails, the energy storage module 13 supplies power to a charger of a direct current power supply system of the 110KV transformer substation from the super capacitor charging and discharging control module 131, the inversion module 12 and the output breaker to the intelligent alternating current output distribution unit 31, so that the emergency security power supply operation mode of the charger is realized;
when the storage battery in the direct-current power supply system of the transformer substation fails and does not output, and the alternating-current power supply for the transformer substation is in voltage loss and the charger fails, an emergency direct-current power supply is provided, the energy storage module 13 supplies power to the output direct-current bus of the storage battery through the super capacitor charging and discharging control module 131, the direct-current bus system module 15 and the output direct-current converter module 321 to the intelligent direct-current output power distribution unit 32, and the storage battery output direct-current bus emergency security power supply operation mode of the direct-current power supply system of the 110KV transformer substation is achieved.
In the description of the present specification, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of describing the technical solutions of the present patent and for simplification of the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be interpreted as limiting the present patent application.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of this patent application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In this specification, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integral to one another; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present specification can be understood by those of ordinary skill in the art as appropriate.
In this specification, unless explicitly stated or limited otherwise, a first feature may be "on" or "under" a second feature such that the first and second features are in direct contact, or the first and second features are in indirect contact via an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (6)
1. An intelligent emergency security power supply device comprises at least one power supply module, a bypass system and an output power distribution unit, wherein the power supply module comprises a rectification module, an inversion module, an energy storage module, an intelligent monitoring and control module, a direct current bus system module, a static switch module and a driving and protecting unit; the bypass system comprises a first automatic bypass system and a second manual bypass system; the intelligent power distribution system is characterized in that the output power distribution unit comprises an intelligent alternating current output power distribution unit and an intelligent direct current output power distribution unit;
the rectification module is connected with a main power input end of external 380VAC through a filtering module; the rectification module is connected with an input direct current converter module, the input direct current converter module is connected with a direct current bus system module, and the direct current bus system module is respectively connected with an inversion module, an energy storage module and an intelligent direct current output power distribution unit; the direct current bus system module is connected with the super capacitor charging and discharging control module through a direct current switch and then connected with the energy storage module; the direct current bus system module is connected with the output direct current converter module through the direct current switch and then connected with the intelligent direct current output power distribution unit;
the intelligent monitoring and control module comprises a DSP control logic unit, an interface unit and a wireless monitoring module; the intelligent monitoring and control module is respectively connected with the rectifying module, the inverting module, the direct current bus system module, the static switch module and the input direct current converter module; the driving and protecting unit is respectively connected with the rectifying module and the inverting module;
the DSP control logic unit and the interface unit are bidirectionally connected with the driving and protecting unit, the DSP control logic unit and the interface unit are bidirectionally connected with the wireless monitoring module, and the DSP control logic unit and the interface unit are connected with the field monitoring unit;
the inversion module is connected with the static switch module; one end of the first automatic bypass system is connected with a main power supply input end of external 380VAC, and the other end of the first automatic bypass system is connected with the static switch module; one end of the second manual bypass system is connected with a main power supply input end of external 380VAC, and the other end of the second manual bypass system is connected with the intelligent alternating current output power distribution unit; the static switch module is connected with the intelligent alternating current output power distribution unit; and the intelligent alternating current output power distribution unit and the intelligent direct current output power distribution unit are connected with an external load.
2. The intelligent emergency security power supply device of claim 1, wherein there are two power supply modules, each power supply module being provided with a corresponding first automatic bypass system; the two power supply modules are connected in parallel.
3. The intelligent emergency security power supply device of claim 1, wherein the energy storage module stores energy by using a super capacitor.
4. The intelligent emergency security power supply unit of claim 1, wherein the site monitoring unit is a touch screen display.
5. The intelligent emergency security power supply device of claim 1, wherein the wireless monitoring module is a 4G wireless monitoring module, and the wireless monitoring module is connected to the intelligent terminal through a 4G network.
6. The intelligent emergency security power supply device of claim 5, wherein the intelligent terminal is installed with corresponding APP control software, and can remotely control the DSP control logic unit and the interface unit through the wireless monitoring module.
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| CN202021701808.XU CN213521388U (en) | 2020-08-09 | 2020-08-09 | Intelligent emergency safety power supply device |
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| CN202021701808.XU CN213521388U (en) | 2020-08-09 | 2020-08-09 | Intelligent emergency safety power supply device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113991833A (en) * | 2021-11-24 | 2022-01-28 | 河南省水利勘测设计研究有限公司 | Operation method of low-voltage user power supply system with emergency security electric interface |
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- 2020-08-09 CN CN202021701808.XU patent/CN213521388U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113991833A (en) * | 2021-11-24 | 2022-01-28 | 河南省水利勘测设计研究有限公司 | Operation method of low-voltage user power supply system with emergency security electric interface |
| CN113991833B (en) * | 2021-11-24 | 2024-03-19 | 河南省水利勘测设计研究有限公司 | Operation method of low-voltage user power supply system with emergency security power interface |
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