High-low voltage prefabricated substation

Abstract

The utility model discloses a high-low voltage prefabricated substation, which relates to the technical field of substations, and comprises a high-low voltage prefabricated substation body, and the right side of the high-low voltage prefabricated substation body is provided with a heating and cooling mechanism used for heating and cooling the interior of the high-low voltage prefabricated substation body. The device can adapt to high-temperature and low-temperature extreme environments. The heating and cooling mechanism comprises a mounting assembly; a cooling assembly; through the arrangement of the cooling assembly and the heating assembly, in the high-temperature environment, hot air in the high-low voltage prefabricated substation body is sucked into the cooling cylinder and enters the heat exchange pipe, cooling liquid enters the position between the two pipe plates through the liquid inlet pipe, and heat absorption and cooling are conducted on the hot air in the heat exchange pipe; and the tube plate operates to heat air entering the heating box through the air inlet notch, so that the interior of the high-low voltage prefabricated substation body is heated, and the device can adapt to a high-temperature and low-temperature environment.

Description

Technical Field

[0001] The utility model relates to the technical field of transformer substations, in particular to a high and low voltage prefabricated transformer substation. Background Art

[0002] At present, box-type substation, also called prefabricated substation or prefabricated substation, is a kind of factory-prefabricated indoor and outdoor compact distribution equipment that is composed of high-voltage switchgear, distribution transformer and low-voltage distribution device arranged in a certain wiring scheme.

[0003] According to the patent name: A high and low voltage prefabricated substation (patent publication number: CN220139090U, patent publication date: 2023-12-05), it includes a box body and a box door rotatably arranged on the box body; a mounting seat is arranged on the inner wall of the box body, a accommodating cavity is arranged in the mounting seat, a rain shield rack is slidably arranged in the accommodating cavity, and the rain shield rack can be moved out of the accommodating cavity, and a fixing mechanism for fixing the rain shield rack is arranged on the mounting seat. The application has the effect of forming a rain shield barrier at the box door of the box body through the rain shield rack, so that rainwater is not easily entered into the box body from the box door in an open state.

[0004] Based on the above-mentioned prior art, the existing high and low voltage prefabricated substations still have the following problems: the design and manufacture of prefabricated substations are currently mainly optimized based on specific environmental conditions. Although this highly targeted design can demonstrate good performance and stability in most cases, under some extreme environmental conditions, such as high or low temperature environments, the adaptability of the prefabricated substation may be subject to certain limitations. For this reason, the utility model provides a high and low voltage prefabricated substation. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a high and low voltage prefabricated substation, which solves the following problems existing in the existing high and low voltage prefabricated substations. At present, the design and manufacture of prefabricated substations are mainly optimized based on specific environmental conditions. Although this highly targeted design can demonstrate good performance and stability in most cases, under some extreme environmental conditions, such as high or low temperature environments, the adaptability of the prefabricated substation may be subject to certain limitations.

[0006] To achieve the above purpose, the utility model is implemented through the following technical solutions: a high and low voltage prefabricated substation, including a high and low voltage prefabricated substation body, a heating and cooling mechanism is arranged on the right side of the high and low voltage prefabricated substation body for heating and cooling the interior of the high and low voltage prefabricated substation body, so that the device can adapt to extreme environments of high and low temperatures, and the heating and cooling mechanism includes:

[0007] The installation assembly is arranged on the right side of the high and low voltage prefabricated substation body, and includes a mounting plate installed on the right side of the high and low voltage prefabricated substation body;

[0008] The cooling component is arranged on the right side of the mounting plate and is used to cool the interior of the high and low voltage prefabricated substation body;

[0009] The heating component is arranged on the right side of the mounting plate, including a heating box fixedly installed on the right side of the mounting plate, and the right side plate of the heating box is provided with a plurality of air inlet slots, a heating tube is inserted into and installed on the bottom plate of the heating box, a second pump is fixedly installed on the top of the heating box, and an air duct is fixedly installed on the top of the second pump.

[0010] Preferably, the mounting assembly also includes a temperature sensor fixedly mounted on the top of the mounting plate, and the detection end of the temperature sensor is movably inserted into the interior of the high and low voltage prefabricated substation body, and the mounting plate is installed on the right side of the high and low voltage prefabricated substation body by means of screws threadedly inserted into the four corners of the mounting plate.

[0011] Preferably, the cooling assembly includes two fixing rings bolted to the right side of the mounting plate, a cooling cylinder is sleeved inside the fixing ring, two tube sheets are fixedly installed inside the cooling cylinder, and a number of heat exchange tubes are fixedly installed through the inside of the tube sheets, an upper arc head is fixedly installed on the top of the cooling cylinder, and an air guide pipe is fixedly installed on the top of the upper arc head, a lower arc head is fixedly installed on the bottom of the cooling cylinder, and a first pump is fixedly installed on the bottom of the lower arc head through the air inlet pipe, a liquid inlet pipe is fixedly installed on the right side of the cooling cylinder, and a liquid outlet pipe is fixedly installed on the right side of the cooling cylinder.

[0012] Preferably, one end of the air duct away from the second pump is movably inserted into the interior of the high and low voltage prefabricated substation body.

[0013] Preferably, one end of the air guide pipe away from the upper arc head is movably inserted into the interior of the high and low voltage prefabricated substation body.

[0014] Preferably, one end of the air inlet pipe away from the first pump is movably inserted into the interior of the high and low voltage prefabricated substation body.

[0015] The utility model provides a high and low voltage prefabricated substation. Compared with the prior art, it has the following advantages:

[0016] Beneficial effects:

[0017] (1) The high and low voltage prefabricated substation is provided with a cooling component. In a high temperature environment, the first pump operates to suck the hot air inside the high and low voltage prefabricated substation body into the cooling cylinder through the air inlet pipe and into the heat exchange tube. At the same time, the liquid inlet pipe enters the cooling liquid between the two tube sheets to absorb heat and cool the hot air inside the heat exchange tube. The cooled air enters the high and low voltage prefabricated substation body through the air guide pipe, thereby cooling the inside of the high and low voltage prefabricated substation body and enabling the device to adapt to a low temperature environment.

[0018] (2) The high and low voltage prefabricated substation is provided with a heating component. In a low temperature environment, the tube sheet operates to heat the air entering the heating box through the air inlet slot, and then the second pump operates to introduce the heated air into the interior of the high and low voltage prefabricated substation body through the air duct, thereby heating the interior of the high and low voltage prefabricated substation body and enabling the device to adapt to the low temperature environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a right-side perspective structural diagram of the entire device of the utility model;

[0020] Figure 2 It is a three-dimensional structural diagram of the heating and cooling mechanism of the utility model;

[0021] Figure 3 This is a three-dimensional structural diagram of the cooling component of the utility model;

[0022] Figure 4 It is a three-dimensional structural diagram of the heating component of the utility model.

[0023] In the figure: 1-high and low voltage prefabricated substation body, 2-heating and cooling mechanism, 21-installation assembly, 211-installation plate, 212-screw, 213-temperature sensor, 22-cooling assembly, 221-fixing ring, 222-cooling cylinder, 223-tube sheet, 224-heat exchange tube, 225-upper arc head, 226-air guide pipe, 227-lower arc head, 228-intake pipe, 229-first pump, 2210-liquid inlet pipe, 2211-liquid outlet pipe, 23-heating assembly, 231-heating box, 232-intake slot, 233-heating pipe, 234-second pump, 235-air duct. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figure 1-4 , the utility model provides a technical solution:

[0026] A high and low voltage prefabricated substation includes a high and low voltage prefabricated substation body 1. A heating and cooling mechanism 2 is provided on the right side of the high and low voltage prefabricated substation body 1 for heating and cooling the interior of the high and low voltage prefabricated substation body 1, so that the device can adapt to extreme environments of high and low temperatures. The heating and cooling mechanism 2 includes:

[0027] The installation assembly 21 is arranged on the right side of the high and low voltage prefabricated substation body 1, and includes a mounting plate 211 installed on the right side of the high and low voltage prefabricated substation body 1;

[0028] The cooling component 22 is arranged on the right side of the mounting plate 211 and is used to cool the interior of the high and low voltage prefabricated substation body 1;

[0029] The heating component 23 is arranged on the right side of the mounting plate 211, and includes a heating box 231 fixedly mounted on the right side of the mounting plate 211, and a plurality of air inlet slots 232 are provided on the right side plate of the heating box 231, a heating pipe 233 is inserted into the bottom plate of the heating box 231, and a second pump 234 is fixedly mounted on the top of the heating box 231, and the model of the second pump 234 is 42113-25A, which is electrically connected to an external power supply and can be turned on and off by a person operating a control panel, and the top of the second pump 234 is fixed An air duct 235 is installed, and one end of the air duct 235 away from the second pump 234 is movably inserted into the interior of the high and low voltage prefabricated substation body 1. In a low temperature environment, the tube sheet 223 operates to heat the air entering the heating box 231 through the air inlet slot 232, and then the second pump 234 operates to introduce the heated air into the interior of the high and low voltage prefabricated substation body 1 through the air duct 235, thereby heating the interior of the high and low voltage prefabricated substation body 1 and enabling the device to adapt to a low temperature environment.

[0030] In this embodiment, the installation component 21 also includes a temperature sensor 213 fixedly installed on the top of the installation plate 211. The model of the temperature sensor 213 is DS18B20. The temperature sensor 213 is inserted into the interior of the high and low voltage prefabricated substation body 1 to detect the temperature inside the high and low voltage prefabricated substation body 1. When the internal temperature reaches the low temperature critical point or the high temperature critical point, the cooling component 22 or the heating component 23 is started to heat or cool the interior of the high and low voltage prefabricated substation body 1, and the detection end of the temperature sensor 213 is movably inserted into the interior of the high and low voltage prefabricated substation body 1. The installation plate 211 is installed on the right side of the high and low voltage prefabricated substation body 1 by threading the screws 212 inserted into the four corners of the installation plate 211, so that the heating and cooling mechanism 2 can be disassembled and assembled as a whole, so that the heating and cooling mechanism 2 is more convenient during transportation and storage, and the heating and cooling mechanism 2 can be packaged and transported as a whole, reducing the risk of damage during transportation.

[0031] In this embodiment, the cooling component 22 includes two fixing rings 221 bolted to the right side of the mounting plate 211, a cooling cylinder 222 is sleeved inside the fixing ring 221, two tube sheets 223 are fixedly installed inside the cooling cylinder 222, and a plurality of heat exchange tubes 224 are fixedly installed through the inside of the tube sheet 223, and the plurality of heat exchange tubes 224 are installed through the inside of the tube sheet 223 in a circular array, an upper arc head 225 is fixedly installed on the top of the cooling cylinder 222, and an air guide pipe 226 is fixedly installed on the top of the upper arc head 225, a lower arc head 227 is fixedly installed on the bottom of the cooling cylinder 222, and a first pump 229 is fixedly installed on the bottom of the lower arc head 227 through an air inlet pipe 228, the model of the first pump 229 is 42113-25A, which is electrically connected to an external power supply and is opened and closed by a person operating the control panel, and a cooling element 227 is fixedly installed on the right side of the cooling cylinder 222. There is a liquid inlet pipe 2210, and a liquid outlet pipe 2211 is fixedly installed on the right side of the cooling cylinder 222. The end of the air guide pipe 226 away from the upper arc head 225 is movably inserted into the interior of the high and low voltage prefabricated substation body 1. The end of the air inlet pipe 228 away from the first pump 229 is movably inserted into the interior of the high and low voltage prefabricated substation body 1. Under high temperature environment, the first pump 229 operates through the air inlet pipe 228 to suck the hot air inside the high and low voltage prefabricated substation body 1 into the interior of the cooling cylinder 222 and into the interior of the heat exchange tube 224. At the same time, the liquid inlet pipe 2210 enters the cooling liquid between the two tube sheets 223, absorbs heat and cools the hot air inside the heat exchange tube 224, and the cooled air enters the interior of the high and low voltage prefabricated substation body 1 through the air guide pipe 226, thereby realizing the cooling of the interior of the high and low voltage prefabricated substation body 1, so that the device can adapt to low temperature environment.

[0032] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0033] During operation, in a high temperature environment, the first pump 229 operates to suck the hot air inside the high and low pressure prefabricated substation body 1 into the cooling cylinder 222 through the air inlet pipe 228, and enters the heat exchange tube 224. At the same time, the liquid inlet pipe 2210 enters the coolant between the two tube sheets 223 to absorb heat and cool the hot air inside the heat exchange tube 224. The coolant then flows out from the liquid outlet pipe 2211 to form a cycle. The cooled air enters the high and low pressure prefabricated substation body 1 through the air guide pipe 226, thereby cooling the high and low pressure prefabricated substation body 1. In a low temperature environment, the tube sheet 223 operates to heat the air entering the heating box 231 through the air inlet slot 232, and then the second pump 234 operates to introduce the heated air into the high and low pressure prefabricated substation body 1 through the air duct 235, thereby heating the high and low pressure prefabricated substation body 1, so that the device can adapt to high and low temperature environments.

[0034] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A high and low voltage prefabricated substation, comprising a high and low voltage prefabricated substation body (1), characterized in that: A heating and cooling mechanism (2) is arranged on the right side of the high and low voltage prefabricated substation body (1) for heating and cooling the interior of the high and low voltage prefabricated substation body (1) so that the device can adapt to extreme environments of high and low temperatures. The heating and cooling mechanism (2) includes: The installation assembly (21) is arranged on the right side of the high and low voltage prefabricated substation body (1), and comprises a mounting plate (211) installed on the right side of the high and low voltage prefabricated substation body (1); A cooling component (22) is arranged on the right side of the mounting plate (211) and is used to cool the interior of the high and low voltage prefabricated substation body (1); The heating component (23) is arranged on the right side of the mounting plate (211), and comprises a heating box (231) fixedly mounted on the right side of the mounting plate (211), and a plurality of air inlet slots (232) are provided on the right side plate of the heating box (231), a heating pipe (233) is inserted into the bottom plate of the heating box (231), a second pump (234) is fixedly mounted on the top of the heating box (231), and an air duct (235) is fixedly mounted on the top of the second pump (234).

2. A high and low voltage prefabricated substation according to claim 1, characterized in that: The mounting assembly (21) further comprises a temperature sensor (213) fixedly mounted on the top of the mounting plate (211), and a detection end of the temperature sensor (213) is movably inserted into the interior of the high and low voltage prefabricated substation body (1), and the mounting plate (211) is mounted on the right side of the high and low voltage prefabricated substation body (1) via screws (212) threadedly inserted into the four corners of the mounting plate (211).

3. A high and low voltage prefabricated substation according to claim 1, characterized in that: The cooling component (22) comprises two fixing rings (221) bolted to the right side of the mounting plate (211); a cooling tube (222) is sleeved inside the fixing ring (221); two tube sheets (223) are fixedly installed inside the cooling tube (222); and a plurality of heat exchange tubes (224) are fixedly installed through the inside of the tube sheet (223); an upper arc head (225) is fixedly installed on the top of the cooling tube (222); and an air guide pipe (226) is fixedly installed on the top of the upper arc head (225); a lower arc head (227) is fixedly installed on the bottom of the cooling tube (222); and a first pump (229) is fixedly installed on the bottom of the lower arc head (227) through an air intake pipe (228); a liquid inlet pipe (2210) is fixedly installed on the right side of the cooling tube (222); and a liquid outlet pipe (2211) is fixedly installed on the right side of the cooling tube (222).

4. A high and low voltage prefabricated substation according to claim 1, characterized in that: One end of the air duct (235) away from the second pump (234) is movably inserted into the interior of the high and low voltage prefabricated substation body (1).

5. A high and low voltage prefabricated substation according to claim 3, characterized in that: One end of the air guide pipe (226) away from the upper arc head (225) is movably inserted into the interior of the high and low voltage prefabricated substation body (1).

6. A high and low voltage prefabricated substation according to claim 3, characterized in that: One end of the air inlet pipe (228) away from the first pump (229) is movably inserted into the interior of the high and low voltage prefabricated substation body (1).

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