CN209823269U - Separated high-voltage switch cabinet - Google Patents
Separated high-voltage switch cabinet Download PDFInfo
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- CN209823269U CN209823269U CN201921090253.7U CN201921090253U CN209823269U CN 209823269 U CN209823269 U CN 209823269U CN 201921090253 U CN201921090253 U CN 201921090253U CN 209823269 U CN209823269 U CN 209823269U
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Abstract
The utility model relates to the technical field of power equipment, in particular to a separated high-voltage switch cabinet, which comprises a main cabinet, an auxiliary cabinet and a connecting cable electrically connected with the main cabinet and the auxiliary cabinet; a main bus, a first main connecting terminal, a second main connecting terminal and a circuit breaker handcart are arranged in the main cabinet; the auxiliary cabinet and the main cabinet are arranged at intervals, and a standby bus, a first auxiliary connecting terminal, a double-terminal connector, a standby isolation vehicle, a fourth auxiliary connecting terminal, a main isolation vehicle, a current transformer and an outlet cable are arranged in the auxiliary cabinet. The utility model provides a disconnect-type high tension switchgear has the good advantage of heat dispersion, is favorable to improving power supply stability.
Description
Technical Field
The utility model relates to a power equipment technical field especially relates to a disconnect-type high tension switchgear.
Background
The switch cabinet is an electric device, the external line of the switch cabinet firstly enters a main control switch in the cabinet and then enters a branch control switch, and each branch circuit is arranged according to the requirement. Such as meters, automatic controls, magnetic switches of motors, various alternating current contactors, and the like, some of which are also provided with high-voltage chambers and low-voltage chamber switch cabinets, and high-voltage buses, such as power plants, and some of which are also provided with low-frequency load shedding for keeping main equipment.
The cubical switchboard can generate heat at the working process, and the high temperature can lead to the cubical switchboard to damage, influences the stability of power supply, and the condition of generating heat of high tension switchgear is especially serious. Therefore, how to effectively cool and dissipate heat for the high-voltage switch cabinet is a technical problem to be solved urgently.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a disconnect-type high tension switchgear, have the good advantage of heat dispersion, be favorable to improving power supply stability.
For reaching above purpose, the utility model provides a disconnect-type high tension switchgear, include:
the inside of main cabinet is equipped with:
the main bus is provided with first through holes at positions corresponding to the main bus on two sides of the main cabinet;
a first main connection terminal to which the main bus bar is connected;
a second main connection terminal which is connected to the first main connection terminal,
the circuit breaker handcart is used for conducting the first main connecting terminal and the second main connecting terminal;
the vice cabinet, vice cabinet with main cabinet interval sets up, and its inside is equipped with:
the positions of the two sides of the auxiliary cabinet corresponding to the standby bus are provided with second through holes;
a first sub connection terminal to which the spare bus is connected;
a two-terminal connector including a second sub-connection terminal and a third sub-connection terminal electrically connected to each other;
the standby isolation vehicle is used for conducting the first auxiliary connecting terminal and the double-terminal connector;
a fourth sub-connection terminal;
the main isolation vehicle is provided with one end aligned with the fourth auxiliary connecting terminal and the other end aligned with the third auxiliary connecting terminal and is used for conducting the fourth auxiliary connecting terminal and the double-terminal connector;
one end of the current transformer is electrically connected with the two-terminal connector, and the other end of the current transformer is used for being connected with an outgoing cable;
and one end of the connection cable is connected with the second main connecting terminal, and the other end of the connection cable is connected with the fourth auxiliary connecting terminal.
Preferably, the main cabinet comprises a first main electric cabinet, a second main electric cabinet and a third main electric cabinet which are fixedly connected, the first main electric cabinet and the second main electric cabinet are arranged side by side, and the third main electric cabinet is positioned above the first main electric cabinet and the second main electric cabinet.
Preferably, the main bus bar is located in the third main electric cabinet, and the first through holes are located at two sides of the third main electric cabinet; the circuit breaker handcart is positioned in the second main electric cabinet; the first main connecting terminal and the second main connecting terminal are located in the first main electric cabinet.
Preferably, the auxiliary cabinet sequentially comprises a first auxiliary electric cabinet, a second auxiliary electric cabinet and a third auxiliary electric cabinet which are fixedly arranged from top to bottom.
Preferably, the spare bus bar is located in the first auxiliary electric cabinet, and the second through holes are located on two sides of the first auxiliary electric cabinet; the double-terminal connector, the standby isolation vehicle and the main isolation vehicle are all positioned in the second auxiliary electric cabinet; the current transformer is positioned in the third auxiliary electric cabinet.
Preferably, an earthing switch is further arranged in the third auxiliary electric cabinet, and the earthing switch is electrically connected with the current transformer.
Preferably, the main cabinet is provided with a main infrared temperature measurement observation window, and the auxiliary cabinet is provided with an auxiliary infrared temperature measurement observation window.
Preferably, explosion-proof glass plates are arranged on the main infrared temperature measurement observation window and the auxiliary infrared temperature measurement observation window.
Preferably, the separated high-voltage switch cabinet further comprises a ventilation device, and an air outlet of the ventilation device is aligned with the first through hole on one side and the second through hole on one side.
Specifically, the working principle of the split high-voltage switch cabinet is as follows:
firstly, in a normal state, a main bus is needed to be used for supplying power, a breaker handcart is pushed to enable a first main connecting terminal and a second main connecting terminal to be conducted, then a main isolation vehicle is pushed to enable a third auxiliary connecting terminal and a fourth auxiliary connecting terminal to be conducted, and it is confirmed that a standby isolation vehicle is not pushed, namely the first auxiliary connecting terminal and the second auxiliary connecting terminal are not conducted; then the current flow path at this time is: a main bus, a breaker handcart, a communication cable, a main isolation vehicle, a current transformer and an outlet cable;
when the power supply line of the main bus needs to be overhauled, the standby isolation vehicle is pushed to enable the first auxiliary connecting terminal and the second auxiliary connecting terminal to be conducted; at the moment, the current of the outgoing cable comes from two paths, one path is a main bus-a circuit breaker handcart-a communication cable-a main isolation vehicle-a current transformer-the outgoing cable, and the other path is a standby bus-a standby isolation vehicle-the current transformer-the outgoing cable;
pulling out the circuit breaker handcart to disconnect the first main connecting terminal and the second main connecting terminal; pulling out the main isolation vehicle to disconnect the third auxiliary connecting terminal and the fourth auxiliary connecting terminal; the outgoing cable only has current from the path of the standby bus, so that the equipotential uninterrupted switching power supply line can be completed.
It can be understood that the main cabinet and the auxiliary cabinet are arranged at intervals, and an overhaul channel between the main cabinet and the auxiliary cabinet can provide a space for overhaul, can also increase the distance between the main cabinet and the auxiliary cabinet, improves the heat dissipation efficiency and avoids heat accumulation. Of course, cold air can be blown in from the first through hole on one side, and the cold air can be blown out from the first through hole on the other side, so that the main bus bar is cooled. Similarly, cold air can be blown in from the second through hole on one side, and the cold air is blown out from the second through hole on the other side, so that the standby bus is cooled.
The beneficial effects of the utility model reside in that: the separated high-voltage switch cabinet has the advantage of good heat dissipation performance, and is favorable for improving the power supply stability.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.
Fig. 1 is a schematic internal structural diagram of a split high-voltage switch cabinet provided by an embodiment;
FIG. 2 is a schematic side view of a main cabinet according to an embodiment;
fig. 3 is a schematic side view of a sub-cabinet provided in the embodiment.
In the figure:
1. a main cabinet; 101. a main bus; 102. a first main connection terminal; 103. a second main connection terminal; 104. a circuit breaker handcart; 105. a first main electric cabinet; 106. a second main electric cabinet; 107. a third main electric cabinet; 1071. a first through hole; 1072. a main infrared temperature measurement observation window; 108. an electric control cabinet;
2. a sub-cabinet; 201. a spare bus; 202. a first sub-connection terminal; 203. a two-terminal connector; 204. a standby isolation vehicle; 205. a fourth sub-connection terminal; 206. a main isolation vehicle; 207. a current transformer; 208. an outgoing cable; 209. a first sub-electric cabinet; 2091. a second through hole; 2092. a secondary infrared temperature measurement observation window; 210. a second sub-electric cabinet; 211. a third sub-electric cabinet; 212. a grounding switch;
3. a communication cable.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the embodiments of the present invention are clearly and completely described with reference to the drawings in the embodiments of the present invention, and obviously, the embodiments described below are only some embodiments of the present invention, not all embodiments. 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 technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
Referring to fig. 1 to 3, the present embodiment provides a separated high voltage switch cabinet, which includes a main cabinet 1, an auxiliary cabinet 2 and a communication cable 3.
The main cabinet 1 is internally provided with a main bus 101, a first main connecting terminal 102, a second main connecting terminal 103 and a circuit breaker handcart 104. The two sides of the main cabinet 1 are provided with first through holes 1071 at positions corresponding to the main bus 101. The main bus 101 is connected to the first main connection terminal 102. One end of the circuit breaker handcart 104 is aligned with the first main connecting terminal 102, the other end of the circuit breaker handcart 104 is aligned with the second main connecting terminal 103, and the circuit breaker handcart 104 is used for conducting the first main connecting terminal 102 and the second main connecting terminal 103.
The auxiliary cabinet 2 and the main cabinet 1 are arranged at intervals, and a standby bus 201, a first auxiliary connecting terminal 202, a double-terminal connector 203, a standby isolation vehicle 204, a fourth auxiliary connecting terminal 205, a main isolation vehicle 206, a current transformer 207 and an outgoing cable 208 are arranged in the auxiliary cabinet. Second through holes 2091 are formed in positions on both sides of the sub-cabinet 2 corresponding to the spare bus 201. The spare bus bar 201 is connected to the first sub-connection terminal 202. The two-terminal connector 203 includes a second sub-connection terminal and a third sub-connection terminal electrically connected to each other. One end of the spare isolation vehicle 204 is aligned with the first sub-connection terminal 202, and the other end is aligned with the second sub-connection terminal, and the spare isolation vehicle 204 is used for conducting the first sub-connection terminal 202 and the two-terminal connector 203. The main isolation vehicle 206 has one end aligned with the fourth sub-connection terminal 205 and the other end aligned with the third sub-connection terminal, and the main isolation vehicle 206 is configured to conduct the fourth sub-connection terminal 205 and the two-terminal connector 203. One end of the current transformer 207 is electrically connected to the two-terminal connector 203, and the other end is used for connecting to an outgoing cable 208.
One end of the communication cable 3 is connected to the second main connection terminal 103, and the other end is connected to the fourth sub-connection terminal 205.
Preferably, the main cabinet 1 includes a first main electric cabinet 105, a second main electric cabinet 106 and a third main electric cabinet 107, which are fixedly connected, the first main electric cabinet 105 and the second main electric cabinet 106 are arranged side by side, and the third main electric cabinet 107 is located above the first main electric cabinet 105 and the second main electric cabinet 106.
Preferably, the main bus bar 101 is located in the third main electric cabinet 107, and the first through holes 1071 are located on both sides of the third main electric cabinet 107; the circuit breaker trolley 104 is located in the second main electrical cabinet 106; the first main connection terminal 102 and the second main connection terminal 103 are located in the first main electrical cabinet 105.
Preferably, the auxiliary cabinet 2 sequentially comprises a first auxiliary electric cabinet 209, a second auxiliary electric cabinet 210 and a third auxiliary electric cabinet 211 which are fixedly arranged with each other from top to bottom.
Preferably, the spare bus 201 is located in the first sub-electric cabinet 209, and the second through-hole 2091 is located at both sides of the first sub-electric cabinet 209; the two-terminal connector 203, the spare isolation vehicle 204 and the main isolation vehicle 206 are all located in the second sub-electric cabinet 210; the current transformer 207 is located in the third sub-cabinet 211.
Preferably, an earthing switch 212 is further disposed in the third sub-electric cabinet 211, and the earthing switch 212 is electrically connected to the current transformer 207.
Preferably, the main cabinet 1 is provided with a main infrared temperature measurement observation window 1072, and the auxiliary cabinet 2 is provided with an auxiliary infrared temperature measurement observation window 2092.
Preferably, the main infrared temperature measurement observation window 1072 and the auxiliary infrared temperature measurement observation window 2092 are both provided with explosion-proof glass plates.
Preferably, the separable high-voltage switch cabinet further includes a ventilation device, and an air outlet of the ventilation device is aligned with the first through hole 1071 on one side and the second through hole 2091 on one side.
Preferably, the split high-voltage switch cabinet further comprises an electric control cabinet 108, and the electric control cabinet 108 is located above the second main electric cabinet 106.
Specifically, the working principle of the split high-voltage switch cabinet is as follows:
firstly, in a normal state, a main bus 101 is needed to be used for supplying power, a breaker handcart 104 is pushed to enable a first main connecting terminal 102 and a second main connecting terminal 103 to be conducted, then a main isolation vehicle 206 is pushed to enable a third auxiliary connecting terminal and a fourth auxiliary connecting terminal 205 to be conducted, and it is confirmed that a standby isolation vehicle 204 is not pushed, namely a first auxiliary connecting terminal 202 and a second auxiliary connecting terminal are not conducted; then the current flow path at this time is: the main bus 101, the circuit breaker handcart 104, the interconnection cable 3, the main isolation vehicle 206, the current transformer 207 and the outlet cable 208;
secondly, when the power supply line of the main bus 101 needs to be overhauled, the standby isolation vehicle 204 is pushed, and the first auxiliary connecting terminal 202 is conducted with the second auxiliary connecting terminal; at the moment, the current of the outgoing cable 208 comes from two paths, one path is the main bus 101, the breaker handcart 104, the interconnection cable 3, the main isolation vehicle 206, the current transformer 207 and the outgoing cable 208, and the other path is the standby bus 201, the standby isolation vehicle 204, the current transformer 207 and the outgoing cable 208;
thirdly, the circuit breaker handcart 104 is pulled out, so that the first main connecting terminal 102 and the second main connecting terminal 103 are disconnected; the main isolation vehicle 206 is pulled out, and the third sub connecting terminal and the fourth sub connecting terminal 205 are disconnected; the outgoing cable 208 only has the current from the path of the spare bus 201, so that the equipotential uninterrupted switching power supply line can be completed.
It can be understood that, the interval sets up between main cabinet 1 and the vice cabinet 2, and the maintenance passageway between the two both can provide the space for overhauing, also can increase the distance between main cabinet 1 and the vice cabinet 2, improves the radiating efficiency, avoids the heat to gather. Of course, the main bus bar 101 may be cooled by blowing cold air from the first through hole 1071 on one side and blowing cold air from the first through hole 1071 on the other side. Similarly, cold air can be blown from the second through hole 2091 on one side, and the cold air can be blown from the second through hole 2091 on the other side, so as to cool the standby bus 201.
This embodiment provides a disconnect-type high tension switchgear, has the good advantage of heat dispersion, is favorable to improving power supply stability.
The foregoing description of the embodiments has been presented for the purposes of illustration and description. It is not intended to be exhaustive or to limit the disclosure. Individual elements or features of a particular embodiment are generally not limited to that particular embodiment, but, where applicable, are interchangeable and can be used in a selected embodiment, even if not specifically shown or described. The same elements or features may also vary in many respects. Such variations are not to be regarded as a departure from the disclosure, and all such modifications are intended to be included within the scope of the disclosure.
Example embodiments are provided so that this disclosure will be thorough and will fully convey the scope to those skilled in the art. Numerous details are set forth, such as examples of specific parts, devices, and methods, in order to provide a thorough understanding of embodiments of the present disclosure. It will be apparent to those skilled in the art that specific details need not be employed, that example embodiments may be embodied in many different forms and that neither should be construed to limit the scope of the disclosure. In certain example embodiments, well-known processes, well-known device structures, and well-known technologies are not described in detail.
The terminology used herein is for the purpose of describing particular example embodiments only and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," "including," and "having" are intended to be inclusive and therefore specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. The method steps, processes, and operations described herein are not to be construed as necessarily requiring their performance in the particular order discussed and illustrated, unless explicitly indicated as an order of performance. It should also be understood that additional or alternative steps may be employed.
When an element or layer is referred to as being "on" … … "," engaged with "… …", "connected to" or "coupled to" another element or layer, it can be directly on, engaged with, connected to or coupled to the other element or layer, or intervening elements or layers may also be present. In contrast, when an element or layer is referred to as being "directly on … …," "directly engaged with … …," "directly connected to" or "directly coupled to" another element or layer, there may be no intervening elements or layers present. Other words used to describe the relationship of elements should be interpreted in a similar manner (e.g., "between … …" and "directly between … …", "adjacent" and "directly adjacent", etc.). As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items. Although the terms first, second, third, etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms may be only used to distinguish one element, component, region or section from another element, component, region or section. Unless clearly indicated by the context, use of terms such as the terms "first," "second," and other numerical values herein does not imply a sequence or order. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the example embodiments.
Spatially relative terms, such as "inner," "outer," "below," "under," "lower," "above," "upper," and the like, may be used herein for ease of description to describe a relationship between one element or feature and one or more other elements or features as illustrated in the figures. Spatially relative terms may be intended to encompass different orientations of the device 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 example term "below … …" can encompass both an orientation of facing upward and downward. The device may be otherwise oriented, such as by rotation through 90 degrees or other orientations, and is explained with the spatially relative descriptors herein.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (9)
1. A disconnect-type high tension switchgear characterized in that includes:
main cabinet (1), the inside of main cabinet (1) is equipped with:
the main bus (101), the two sides of the main cabinet (1) are provided with first through holes (1071) at positions corresponding to the main bus (101);
a first main connection terminal (102), the main bus (101) being connected to the first main connection terminal (102);
a second main connection terminal (103),
a circuit breaker handcart (104), one end of the circuit breaker handcart (104) is aligned with the first main connecting terminal (102), the other end of the circuit breaker handcart is aligned with the second main connecting terminal (103), and the circuit breaker handcart (104) is used for conducting the first main connecting terminal (102) and the second main connecting terminal (103);
vice cabinet (2), vice cabinet (2) with main cabinet (1) interval sets up, and its inside is equipped with:
the auxiliary cabinet (2) is provided with a spare bus (201), and second through holes (2091) are formed in positions, corresponding to the spare bus (201), of two sides of the auxiliary cabinet (2);
a first auxiliary connection terminal (202), the spare bus bar (201) being connected to the first auxiliary connection terminal (202);
a two-terminal connector (203), the two-terminal connector (203) comprising a second and a third sub-connection terminal electrically connected to each other;
a backup isolation trolley (204), one end of the backup isolation trolley (204) is aligned with the first secondary connection terminal (202), and the other end is aligned with the second secondary connection terminal, the backup isolation trolley (204) is used for conducting the first secondary connection terminal (202) and the two-terminal connector (203);
a fourth sub-connection terminal (205);
a main isolation vehicle (206), one end of the main isolation vehicle (206) is aligned with the fourth secondary connecting terminal (205), and the other end of the main isolation vehicle is aligned with the third secondary connecting terminal, and the main isolation vehicle (206) is used for conducting the fourth secondary connecting terminal (205) and the two-terminal connector (203);
one end of the current transformer (207) is electrically connected with the two-terminal connector (203), and the other end of the current transformer (207) is used for being connected with an outgoing cable (208);
and a connection cable (3), wherein one end of the connection cable (3) is connected with the second main connecting terminal (103), and the other end of the connection cable is connected with the fourth auxiliary connecting terminal (205).
2. The split high-voltage switchgear cabinet according to claim 1, characterized in that the main cabinet (1) comprises a first main electric cabinet (105), a second main electric cabinet (106) and a third main electric cabinet (107) which are fixedly connected, the first main electric cabinet (105) and the second main electric cabinet (106) being arranged side by side, the third main electric cabinet (107) being located above both the first main electric cabinet (105) and the second main electric cabinet (106).
3. The split high-voltage switchgear according to claim 2, wherein said main bus bar (101) is located in said third main electrical cabinet (107), said first through going hole (1071) being located on both sides of said third main electrical cabinet (107); the circuit breaker trolley (104) is located in the second main electrical cabinet (106); the first main connection terminal (102) and the second main connection terminal (103) are located in the first main electrical cabinet (105).
4. The separable high-voltage switch cabinet according to claim 1, wherein the auxiliary cabinet (2) comprises, from top to bottom, a first auxiliary electric cabinet (209), a second auxiliary electric cabinet (210) and a third auxiliary electric cabinet (211) which are fixedly arranged with each other.
5. The separable high-voltage switchgear according to claim 4, wherein the backup bus bar (201) is located in the first sub-electrical cabinet (209), and the second through-hole (2091) is located on both sides of the first sub-electrical cabinet (209); the two-terminal connector (203), the standby isolation vehicle (204) and the main isolation vehicle (206) are all positioned in the second auxiliary electric cabinet (210); the current transformer (207) is located in the third sub-cabinet (211).
6. The split high-voltage switchgear cabinet according to claim 5, wherein an earthing switch (212) is further provided in the third sub-cabinet (211), and the earthing switch (212) is electrically connected with the current transformer (207).
7. The separable high-voltage switchgear cabinet according to claim 1, wherein the main cabinet (1) is provided with a main infrared thermometry observation window (1072), and the auxiliary cabinet (2) is provided with an auxiliary infrared thermometry observation window (2092).
8. The separable high-voltage switch cabinet according to claim 7, wherein explosion-proof glass plates are mounted on the main infrared temperature measurement observation window (1072) and the auxiliary infrared temperature measurement observation window (2092).
9. The separable high-voltage switchgear cabinet according to claim 1, further comprising a ventilation device, wherein the air outlet of the ventilation device is aligned with the first through hole (1071) on one side and the second through hole (2091) on one side.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921090253.7U CN209823269U (en) | 2019-07-11 | 2019-07-11 | Separated high-voltage switch cabinet |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921090253.7U CN209823269U (en) | 2019-07-11 | 2019-07-11 | Separated high-voltage switch cabinet |
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| CN209823269U true CN209823269U (en) | 2019-12-20 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110212443A (en) * | 2019-07-11 | 2019-09-06 | 广东电网有限责任公司 | Separate type high-tension switch cabinet |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110212443A (en) * | 2019-07-11 | 2019-09-06 | 广东电网有限责任公司 | Separate type high-tension switch cabinet |
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