CN218352186U

CN218352186U - Power distribution system of power grid

Info

Publication number: CN218352186U
Application number: CN202220890667.3U
Authority: CN
Inventors: 张炳华; 李明江
Original assignee: Beijing Zhonghuan Yutong Architectural Design Co ltd
Current assignee: Beijing Zhonghuan Yutong Architectural Design Co ltd
Priority date: 2022-04-18
Filing date: 2022-04-18
Publication date: 2023-01-20
Anticipated expiration: 2032-04-18

Abstract

The utility model discloses a power grid distribution system, which comprises a distribution bus, at least two groups of generating sets and at least two separation chambers, wherein each group of generating sets is respectively arranged in each separation chamber; the distribution bus penetrates through each blocking chamber, and each group of generator sets is respectively connected with the distribution bus through a line so as to supply power to the distribution bus; a control switch is arranged on a circuit connecting the generator set and the distribution bus; and a refrigerating device is arranged in each blocking cavity and used for refrigerating the inside of the blocking cavity. The utility model discloses can effectively cool down the generator that uses, and can change other generators immediately after the generator has a problem and supply power to the distribution generating line.

Description

Power distribution system of power grid

Technical Field

The utility model relates to a distribution technical field especially relates to a power grid distribution system.

Background

In the distribution equipment of the data center, a diesel generator set and a distribution bus are indispensable, and certain electric quantity can be provided by using the arrangement of the diesel generator and the distribution bus so as to be normally used by the distribution equipment of the data center.

However, when the diesel generator set is used to generate power, due to the characteristics of the diesel generator, when the diesel generator is operated for a long time, there are some problems, for example, the diesel generator may be overheated relatively, which affects the operating performance of the diesel generator, and in addition, when the diesel generator is operated for a relatively long time, which causes the generator to be overheated relatively, the power generation efficiency of the diesel generator may be affected, and a certain fault may occur in the generator.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem of the prior art, the embodiment of the utility model provides a power grid distribution system. The technical scheme is as follows:

in a first aspect, a power grid power distribution system is provided, which comprises a power distribution bus, at least two groups of generator sets and at least two barrier chambers, wherein each group of generator sets is respectively arranged in each barrier chamber;

the distribution bus penetrates through each blocking chamber, and each group of generator sets is respectively connected with the distribution bus through a line so as to supply power to the distribution bus;

a control switch is arranged on a circuit for connecting the generator set and the distribution bus;

and a refrigerating device is arranged in each blocking cavity and is used for refrigerating the inside of the blocking cavity.

In one embodiment, the grid power distribution system further comprises a temperature sensor and a controller, wherein the temperature sensor is arranged in the barrier compartment to detect the temperature in the barrier compartment;

the controller is electrically connected with the temperature sensor to receive temperature information from the temperature sensor and control the temperature sensor to be opened and closed;

the controller is electrically connected with each group of the generator sets and is electrically connected with the control switch.

In one embodiment, the controller is electrically connected to the refrigeration device to control operation of the refrigeration device.

In one embodiment, when the temperature information received by the controller is greater than a preset temperature threshold, the controller controls the generator set in the compartment corresponding to the temperature sensor to stop operating, and switches off a control switch corresponding to the generator set;

the refrigerating device continuously operates, and after the temperature information received by the controller is lower than a preset threshold value, the controller controls the refrigerating device to be closed and closes the temperature sensor.

In one embodiment, the refrigeration device comprises a cold water source and a water cooled conduit;

the water-cooling pipeline is arranged in the separation resisting chamber, and the inlet end and the outlet end of the water-cooling pipeline are both connected to a cold water source;

and a water pump is arranged at the inlet end of the water-cooling pipeline.

In one embodiment, the refrigeration device further comprises a plurality of heat exchange fins, and the plurality of heat exchange fins are arranged on the water cooling pipeline;

one end of part of the heat exchange fins is abutted to the generator set.

In one embodiment, a ventilation duct is arranged on the side wall of the blocking chamber, and a fan is arranged on the ventilation duct;

the controller is electrically connected with the fan to control the opening and closing of the fan.

In one embodiment, after the controller controls the refrigeration device in the compartment to be turned off and the temperature sensor to be turned off, the controller controls the fan to be turned off.

The embodiment of the utility model provides a beneficial effect that technical scheme brought is:

the embodiment of the utility model provides an in, through the setting of at least two sets of generating set to make every generating set and distribution bus interconnect, thereby usable one of them generating set supplies power to the distribution bus, uses certain time back at this engine group, supplies power to the distribution bus at the generating set that utilizes other generating sets, and closes original generating set, thereby avoids generating set to use for a long time and influence its generating efficiency. In addition, when one of the generator sets fails and cannot be used in time, other generator sets can be used for supplying power, and the condition that power cannot be supplied to a power distribution bus is avoided. And through the setting of separation cavity, can form a protection to generating set to make generating set normal use, and further through refrigerating plant's setting, can make in real time refrigerate in the separation cavity, and reduce generating set self temperature relatively, thereby further avoid generating set self high temperature and influence its generating efficiency.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained without creative efforts.

Fig. 1 is a schematic overall structure diagram of a power distribution system of a power grid according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a single blocking chamber of a power grid distribution system provided by an embodiment of the present invention;

fig. 3 is a schematic flow chart illustrating the operation of a temperature control generator set based on the detection of a temperature sensor in the power grid distribution system according to an embodiment of the present invention;

fig. 4 is a schematic flow chart of controlling the operation of the generator set based on the information timed by the timer in the power grid distribution system according to the embodiment of the present invention;

fig. 5 is a schematic structural diagram of an installation refrigeration device of a power grid distribution system provided by an embodiment of the present invention;

fig. 6 is a schematic flow chart illustrating the operation of the refrigeration device and the fan in the power grid distribution system according to the embodiment of the present invention.

Description of reference numerals:

1. a power distribution bus; 2. a barrier chamber; 21. a ventilation duct; 22. a fan; 3. a generator set; 31. a line; 32. a control switch; 4. a temperature sensor; 41. a controller; 5. a timer; 6. a refrigeration device; 61. a source of cold water; 62. a water-cooled pipeline; 63. a water pump; 64. a heat exchanger fin.

Detailed Description

To make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings. Terms such as "upper," "above," "lower," "below," "first end," "second end," "one end," "another end," and the like, used herein to denote relative spatial positions, are used for ease of description to describe one element or feature's relationship to another element or feature as illustrated in the figures. The spatially relative positional terms may be intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "below" can encompass both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

Furthermore, the terms "mounted", "disposed", "provided", "connected", "slidably connected", "fixed" and "sleeved" are to be understood in a broad sense. For example, "connected" may be a fixed connection, a detachable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

The embodiment of the utility model provides a power grid power distribution system, as shown in fig. 1 and fig. 2, this power grid power distribution system, including distribution bus 1, still include at least two sets of generating set 3 and two at least separation cavities 2, the quantity of this separation cavity 2 is the same with the quantity of legal unit, and every generating set 3 of group sets up respectively in every separation cavity 2, and above-mentioned distribution bus 1 runs through every separation cavity 2, and generating set 3 in every separation cavity 2 passes through circuit 31 interconnect with distribution bus 1 respectively to when generating set 3 moves, with to distribution bus 1 supplies power. In addition, a control switch 32 is provided on a line 31 interconnecting each power generating unit 3 and the distribution busbar 1.

Through the setting of this kind of structure, when utilizing the generating set 3 operation in the separation cavity 2, can supply power to distribution bus 1 to supply power to the branch road of connecting on distribution bus 1. And then when supplying power to the power supply bus, can utilize generating set 3 in one of them separation cavity 2 to supply power to distribution bus 1 earlier, after this engine unit used certain time, supply power to distribution bus 1 at utilizing generating set 3 in other separation cavity 2 to avoid generating set 3 to use for a long time and influence its generating efficiency. In addition, when one of the generator sets 3 fails and cannot be used in time, the generator sets 3 in other separation chambers 2 can be used for supplying power in time. When the power supply of the generator set 3 in one of the blocking chambers 2 is not required, the control switch 32 on the line 31 between the generator set 3 and the distribution bus 1 can be relatively opened, and the control switch 32 on the corresponding line 31 of the generator set 3 to be operated can be correspondingly closed.

In one embodiment, as shown in fig. 1 and 3, the grid power distribution system further comprises a temperature sensor 4 and a controller 41, wherein the temperature sensor 4 is fixedly installed in each of the barrier chambers 2 for detecting the temperature in the barrier chambers 2. The controller 41 is electrically connected to the temperature sensor 4 to receive the temperature information from the temperature sensor 4 and control the opening and closing of the temperature sensor 4, and the controller 41 is also electrically connected to each group of generator sets 3 and to the control switch 32.

When utilizing generating set 3 to generate electricity, because its self can give out certain heat, when generating set 3 self heat was too high, can influence its generating efficiency, from this, through set up temperature sensor 4 in separation cavity 2, temperature in the separation cavity 2 of real-time supervision to judge whether too high of service temperature of generating set 3, shut down this generating set 3 with utilizing controller 41, and control other generating set 3's operation.

Specifically, a preset temperature threshold is preset in the controller 41, when the temperature information detected by the temperature sensor 4 received by the controller 41 is greater than the preset temperature threshold, it indicates that the temperature in the blocking chamber 2 is too high, and the generator set 3 is relatively overheated, at this time, the controller 41 can control the generator set 3 in the blocking chamber 2 corresponding to the temperature sensor 4 to stop operating, disconnect the control switch 32 on the line 31 corresponding to the generator set 3, control the generator set 3 in any other blocking chamber 2 to operate, and close the control switch 32 on the line 31 corresponding to the generator set 3.

Therefore, after the temperature of the generator set 3 is relatively overhigh, the temperature sensor 4 can monitor the condition in real time, so that the controller 41 is used for automatically controlling the generator set 3 to be closed, other generator sets 3 are started to supply power, and the phenomenon that the generating efficiency of the generator set 3 is influenced due to the fact that the generator set 3 runs under the condition of overheating is avoided.

In one embodiment, as shown in fig. 4, the grid power distribution system further includes a timer 5, where the timer 5 is electrically connected to the controller 41, and is configured to calculate time information of operation of each generator set 3, and transmit the time information to the controller 41, so that after the generator set 3 operates for a certain time and transmits the information to the controller 41, the controller 41 may be used to shut down the generator set 3 and control other generator sets 3 to generate power, so as to further avoid that the power generation efficiency of the generator set 3 is affected due to too long operation time.

Specifically, a preset time threshold is set in the controller 41, when one of the generator sets 3 starts to operate, the timer 5 starts to time, and transmits the time information obtained by the time counting to the controller 41, and when the time information received by the controller 41 is greater than the preset time threshold, it indicates that the operating generator set 3 has operated for a sufficient time, and at this time, the controller 41 may control the operating generator set 3 to stop operating, disconnect the control switch 32 corresponding to the generator set 3, control the other set of the generator sets 3 to operate, and close the control switch 32 on the connection line 31 of the generator set 3. Accordingly, when controlling the operation of other generator sets 3, the timer 5 is used to calculate the operation time of the generator set 3, and the operation time information of the generator set 3 is sent to the controller 41 in real time.

By using the mode, the running time information of the generator set 3 can be automatically monitored, and the running time of the generator set 3 is detected according to the information, so that the influence of the long-time running of the generator set 3 on the power generation efficiency is avoided, and the phenomenon that the generator set 3 runs for a long time to cause a certain fault of the generator set 3 is also avoided, so that after the generator set 3 runs for a certain time, the temperature information detected by the instant temperature sensor 4 is lower than a preset temperature threshold value, at the moment, the controller 41 also controls the generator set 3 to be closed, and the influence of the long working time on the power generation efficiency is avoided. Therefore, the running of the generator set 3 can be automatically controlled, the manual real-time monitoring is avoided, and certain manpower can be saved.

In one embodiment, as shown in fig. 2, a ventilation duct 21 is provided on a side wall of the blocking chamber 2, and a fan 22 is fixedly mounted on the ventilation duct 21. Through the setting of ventilation pore 21 and fan 22, when making generating set 3 operation, can make fan 22 operation to can accelerate the air flow in separation cavity 2, further play certain refrigeration effect to generating set 3's operation, guarantee the ventilation in the separation cavity 2 simultaneously, ensure the operation of generator.

Further, a dust screen (not shown) may be fixedly connected to the ventilation duct 21 of the blocking chamber 2, so that the dust screen can block external dust from entering the blocking chamber 2.

In one embodiment, as shown in fig. 5, the grid power distribution system further includes a plurality of refrigeration devices 6, and the plurality of refrigeration devices 6 are respectively disposed in each of the blocking chambers 2, so as to refrigerate the blocking chambers 2 and correspondingly reduce the temperature of the generator sets 3 in the blocking chambers 2. Thereby avoiding excessive temperatures during operation of the generator set 3.

As shown in fig. 6, the controller 41 is electrically connected to the refrigerating device 6 to control the operation of the refrigerating device 6, and when the generator set 3 in the blocking chamber 2 operates, the controller 41 may control the operation of the refrigerating device 6 to reduce the temperature in the blocking chamber 2 in real time and relatively reduce the temperature of the generator set 3 itself.

When the controller 41 receives that the temperature information detected by the temperature sensor 4 is greater than the preset temperature threshold, the controller 41 controls the generator set 3 in the blocking chamber 2 corresponding to the temperature sensor 4 to stop operating, and turns off the control switch 32 corresponding to the generator set 3. At this time, the refrigerating device 6 is continuously operated, the temperature sensor 4 continues to detect the temperature in the obstructing chamber 2 and transmits the temperature information to the controller 41, and the controller 41 controls the refrigerating device 6 to be turned off and turns off the temperature sensor 4 only when the temperature information received by the controller 41 is lower than a preset threshold.

In this way, when the controller 41 controls the other generator sets 3 to operate, the original blocking chamber 2 with too high temperature can continue to be refrigerated by the refrigeration device 6, so as to quickly reduce the temperature in the blocking chamber 2, and after the temperature is reduced, the refrigeration device 6 and the temperature sensor 4 in the blocking chamber 2 can be closed again.

It should be noted that, in the case that the operation of the generator set 3 in the blocking chamber 2 is not controlled, the temperature sensor 4 in the blocking chamber 2 is turned off, and only when the operation of the generator set 3 is controlled, the controller 41 is used to control the operation of the temperature sensor 4 in the blocking chamber 2, so as to save certain energy.

In one embodiment, as shown in fig. 6, the controller 41 is electrically connected to the fan 22 to control the opening and closing of the fan 22, and after the controller 41 controls the refrigeration device 6 in the blocking chamber 2 to be closed and the temperature sensor 4 in the blocking chamber 2 to be closed, the controller 41 controls the fan 22 in the blocking chamber 2 to be closed. This avoids wasting resources by keeping the fan 22 on all the time.

In one embodiment, as shown in fig. 5, the refrigerating device 6 comprises a cold water source 61 and a water cooling pipe 62, wherein the water cooling pipe 62 is fixedly arranged in the blocking chamber 2, an inlet end and an outlet end of the water cooling pipe 62 are both connected to the cold water source 61, and a water pump 63 is arranged at an inlet end of the water cooling pipe 62.

In this way, during refrigeration, the hot water in the cold water source 61 can be pumped out of the cold water in the cold water source 61 by the water pump 63, and after the hot water passes through the separation chamber 2, heat exchange can be generated in the separation chamber 2, so that the separation chamber 2 can be refrigerated.

The cold water source 61 may be a cold water tank filled with cold water, or may be a cold water tank filled with a certain amount of cold water. In addition, the water-cooling pipes 62 are partially distributed in a zigzag manner in the baffle chamber 2, so that heat exchange can be more sufficiently performed in the baffle chamber 2. The controller 41 is electrically connected to the water pump 63, and controls the operation of the water pump 63 so that the cold water flows along the water cooling pipe 62 when it is necessary to control the operation of the cooling device 6.

In a further embodiment, as shown in fig. 5, the above-mentioned refrigeration device 6 further includes a plurality of heat exchanging fins 64, the plurality of heat exchanging fins 64 are fixedly connected to the water cooling pipe 62, wherein one end of a part of the heat exchanging fins 64 can be abutted to the generator set 3.

Utilize the setting of fin 64, cold water in the messenger water-cooling pipeline 62 that can be better takes place heat exchange with separation cavity 2, and because on partial fin 64 butt to generating set 3, can be more direct refrigerate generating set 3 to reach better refrigeration effect.

The utility model discloses an at least two sets of generating set 3's setting to make every generating set 3 and distribution bus 1 interconnect, thereby usable one of them generating set 3 supplies power to distribution bus 1, uses certain time back at this engine group, supplies power to distribution bus 1 at utilizing other generating set 3, and closes original generating set 3, thereby avoids generating set 3 to use for a long time and influences its generating efficiency. In addition, when one of the generator sets 3 breaks down and cannot be used in time, other generator sets 3 can be used for supplying power, and the situation that power cannot be supplied to the distribution bus 1 is avoided. And through the setting of separation cavity 2, can form a protection to generating set 3 to make generating set 3 normal use, and further through refrigerating plant 6's setting, can make and refrigerate in real time to separation cavity 2, and reduce generating set 3 self temperature relatively, thereby further avoid generating set 3 self high temperature and influence its generating efficiency.

The above description is only for the preferred embodiment of the present invention, and should not be construed as limiting the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. A power distribution system of a power grid comprises a power distribution bus and is characterized by further comprising at least two groups of generator sets and at least two blocking chambers, wherein each group of generator sets is arranged in each blocking chamber;

2. The electrical grid power distribution system of claim 1, further comprising a temperature sensor and a controller, the temperature sensor being disposed within the resistive compartment to detect a temperature within the resistive compartment;

the controller is electrically connected with the temperature sensor to receive temperature information from the temperature sensor and control the on-off of the temperature sensor;

3. The grid power distribution system of claim 2, wherein the controller is electrically connected to the refrigeration device to control operation of the refrigeration device.

4. The grid power distribution system according to claim 3, wherein when the temperature information received by the controller is greater than a preset temperature threshold, the controller controls the generator set in the compartment corresponding to the temperature sensor to stop operating, and switches off a control switch corresponding to the generator set;

the refrigeration device continuously operates, and after the temperature information received by the controller is lower than a preset threshold value, the controller controls the refrigeration device to be closed and closes the temperature sensor.

5. The grid power distribution system of claim 4, wherein the refrigeration device comprises a cold water source and a water cooled conduit;

and a water pump is arranged at the inlet end of the water-cooling pipeline.

6. The grid power distribution system of claim 5, wherein the refrigeration device further comprises a plurality of heat exchanger fins disposed in the water cooled conduit;

one end of part of the heat exchange fins is abutted to the generator set.

7. The grid power distribution system according to claim 4, wherein the side walls of the containment chamber are provided with ventilation ducts, and wherein the ventilation ducts are provided with fans;

8. The electrical grid power distribution system of claim 7, wherein the controller controls the fan to turn off after the controller controls the refrigeration device in the compartment to turn off and the temperature sensor to turn off.