An integrated environmental control unit and an integrated environmental control system for environmental control of transformer and distribution rooms

Abstract

The utility model belongs to the technical field of heat dissipation and cooling of transformer (distribution) room, and provides an integrated environmental control unit and an integrated environmental control system for environmental control of transformer and distribution room, wherein the integrated environmental control unit includes an indoor unit and an outdoor unit connected by a pipeline, a compressor, a cooler and an external circulation fan are arranged on the outdoor unit, and the indoor unit includes an air outlet cavity, a middle cavity and a return air cavity arranged in sequence from top to bottom, a return air port connected to the return air cavity is arranged at the lower end of the indoor unit, a first air valve filter and an evaporator are arranged at the return air port, a fan is arranged in the middle cavity, a fresh air inlet connected to the air outlet cavity is arranged on the upper end surface of the indoor unit, and a jet air guide tube connected to the air outlet cavity and located on the same side as the return air port is arranged on the side of the indoor unit. The utility model combines the advantages of traditional natural ventilation heat dissipation and air-cooled air conditioning heat dissipation, and compared with the traditional air conditioning operation, the utility model has 30-70% energy saving space.

Description

Technical Field

[0001] The utility model belongs to the technical field of heat dissipation and cooling of transformer (distribution) rooms, and specifically relates to an integrated environmental control unit and an integrated environmental control system for environmental control of transformer and distribution rooms. Background Art

[0002] At present, the heat dissipation of electrical equipment such as indoor transformers, distribution cabinets, and compensation cabinets generally adopts natural ventilation and air-cooled air conditioning. The heat dissipation method is extensive. Natural ventilation basically consumes no energy, but the heat dissipation effect is poor. The heat dissipation effect of air-cooled air conditioning is good, but the energy consumption is high. In addition, the traditional heat dissipation method has the problem of uneven air supply.

[0003] On the other hand, with the use of more power electronic devices and intelligent control equipment, the environmental requirements for equipment operation, such as temperature and humidity, are becoming increasingly higher, and traditional cooling methods can no longer meet the environmental control needs of the equipment. Utility Model Content

[0004] The purpose of the utility model is to provide an integrated environmental control unit for controlling the environment of a transformer and a distribution room, so as to solve the technical problems existing in the prior art.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is as follows:

[0006] An integrated environmental control unit for environmental control of a transformer and distribution room comprises an indoor unit and an outdoor unit connected by a pipeline, the outdoor unit is provided with a compressor, a cooler and an external circulation fan, the indoor unit comprises an air outlet chamber, a middle chamber and a return air chamber arranged in sequence from top to bottom, a return air port connected to the return air chamber is arranged at the lower end of the indoor unit, a first air valve filter and an evaporator are arranged at the return air port, a fan is arranged in the middle chamber, a fresh air inlet connected to the air outlet chamber is arranged on the upper end surface of the indoor unit, and a jet air guide tube connected to the air outlet chamber and located on the same side as the return air port is arranged on the side of the indoor unit.

[0007] Furthermore, a fresh air duct is provided at the fresh air inlet.

[0008] Furthermore, the fresh air duct is connected to the fresh air inlet through a second air valve filter.

[0009] Furthermore, the air outlet cavity and the middle cavity are separated by a partition, the air inlet end of the fan is located in the middle cavity, and the air outlet end is located in the air outlet cavity.

[0010] In order to achieve the above-mentioned objectives, the utility model also provides an integrated environmental control system for environmental control of transformer and distribution rooms, including the integrated environmental control unit for environmental control of transformer and distribution rooms as described above, the indoor unit is installed indoors, the outdoor unit is installed outdoors, the fresh air inlet is connected to the outdoors through a fresh air duct, an outdoor temperature and humidity detection module and a dust detection module are also arranged outdoors and near the outdoor unit, and an indoor temperature and humidity detection module and a smoke sensor are arranged indoors.

[0011] Furthermore, an audio and video monitoring module is also provided in the room.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] (1) The utility model is provided with a fresh air inlet and a fresh air duct. When the outdoor air quality meets the set requirements, only the indoor unit is started, the second air valve filter is opened, and fresh air enters the room to dissipate heat and cool the room; when the outdoor air quality does not meet the set requirements, the second air valve filter is closed, the outdoor unit is started, the compressor works, and the indoor heat is dissipated and cooled; the utility model combines the advantages of traditional natural ventilation heat dissipation and air-cooled air conditioning heat dissipation. Compared with the operation of traditional air conditioners, the utility model has 30-70% energy saving space;

[0014] (2) The indoor unit of the utility model is provided with a jet air guide, which can freely adjust different wind direction angles and deliver air over a long distance, so that the indoor air can circulate effectively, the cooling capacity is more uniform, and the cooling effect is better, which effectively solves the problems of small air volume and uneven local heating and cooling of ordinary air conditioners;

[0015] (3) The utility model forms a slight positive pressure in the room by exchanging fresh air, thereby preventing dust from entering the room through the gaps in the doors and windows of the transformer and distribution rooms.

[0016] (4) The utility model is provided with a first air valve filter at the return air outlet and a second air valve filter at the fresh air inlet to filter the external circulating air and the internal circulating indoor air to maintain indoor cleanliness.

[0017] (5) The utility model provides an integrated environmental control system for transformer and distribution room environment control, which is equipped with an outdoor temperature and humidity detection module and a dust detection module outdoors, and an indoor temperature and humidity detection module, a smoke sensor, and an audio and video monitoring module indoors, so as to realize the monitoring of indoor and outdoor temperature, humidity, dust, smoke and other environments. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a front schematic diagram of the outdoor unit in Example 1 of the present utility model.

[0019] Figure 2 This is a schematic diagram of the back side of the outdoor unit in Example 1 of the present utility model.

[0020] Figure 3 This is a top view of the outdoor unit in Example 1 of the present utility model.

[0021] Figure 4 It is a side schematic diagram of the indoor unit in Example 1 of the present utility model.

[0022] Figure 5 This is a front schematic diagram of the indoor unit in Example 1 of the present utility model.

[0023] Figure 6 This is a top view of the indoor unit in Example 1 of the present utility model.

[0024] Figure 7 This is a schematic diagram of the application status structure of Example 2 of the present utility model.

[0025] Among them, the names corresponding to the figure numbers are as follows: 1-indoor unit; 2-outdoor unit; 3-external circulation fan; 4-air outlet chamber; 5-middle chamber; 6-return air chamber; 7-return air outlet; 8-first air valve filter; 9-evaporator; 10-fan; 11-fresh air inlet; 12-jet air guide tube; 13-fresh air duct; 14-second air valve filter; 15-outdoor temperature and humidity detection module; 16-dust detection module; 17-indoor temperature and humidity detection module; 18-smoke sensor; 19-audio and video monitoring module; 20-indoor; 21-outdoor; 22-electrical cabinet; 23-indoor lighting control interlock; 24-access control system; 25-touch screen. DETAILED DESCRIPTION

[0026] In order to enable those skilled in the art to have a clearer understanding and knowledge of the present invention, the present invention is further described in detail in conjunction with the following embodiments. It should be noted that the specific embodiments described below are only used to explain the present invention and facilitate understanding. The technical solutions provided by the present invention are not limited to the technical solutions provided by the following embodiments, and the technical solutions provided by the embodiments should not limit the protection scope of the present invention.

[0027] Unless otherwise defined, the technical terms or scientific terms used in the disclosure of this application shall have the usual meanings understood by persons with ordinary skills in the field to which the disclosure belongs. The words "include" or "comprise" and the like used in this application mean that the elements or objects appearing before the word include the elements or objects listed after the word and their equivalents, without excluding other elements or objects. The positional relationship words "upper", "lower", "left", "right", "front", "back", etc. are determined according to the layout direction of the drawings in the specification, and are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0028] Example 1

[0029] like Figures 1 to 6 As shown, this embodiment provides an integrated environmental control unit for environmental control of a transformer and distribution room, which includes an indoor unit and an outdoor unit, which are connected by a pipeline, wherein the indoor unit is installed indoors in the transformer (distribution) room, and the outdoor unit is installed outdoors in the transformer (distribution) room, and the outdoor unit adopts an existing mature outdoor unit structure, including a compressor, a cooler and an external circulation fan.

[0030] In this embodiment, the indoor unit includes an air outlet cavity, a middle cavity and a return air cavity arranged in sequence from top to bottom, wherein a fan is arranged in the middle cavity, the air outlet cavity and the middle cavity are separated by a partition, the air inlet end of the fan is located in the middle cavity, and the air outlet end is located in the air outlet cavity; the return air cavity is used to receive indoor hot air and cool the hot air, a return air port connected to the return air cavity is arranged at the lower end of the indoor unit, a first air valve filter and an evaporator are arranged at the return air port, wherein the first air valve filter is used to filter the indoor hot air entering the return air cavity, and the evaporator cools the indoor hot air, a fresh air inlet connected to the air outlet cavity is arranged on the upper end face of the indoor unit, a jet air guide tube connected to the air outlet cavity and located on the same side as the return air port is arranged on the side of the indoor unit, and the jet air guide tube can freely adjust different wind direction angles, and the air supply distance is long, so that the indoor air circulates effectively, the cooling capacity is more uniform, and the cooling effect is better. A touch screen can be arranged on the front of the indoor unit to display relevant temperature and humidity information and local control.

[0031] Based on the setting of the fresh air inlet, a fresh air duct is provided at the fresh air inlet in this embodiment. In a further preferred embodiment, the fresh air duct is connected to the fresh air inlet through a second air valve filter.

[0032] There are two working modes of the utility model:

[0033] The first is the cooling and heat dissipation mode. The outdoor unit and the indoor unit are started, the compressor works, and the indoor hot air enters the indoor unit through the return air port. After cooling, it is transported to the air outlet cavity by the fan and discharged into the room by the jet air guide tube, thus realizing the cooling cycle of the indoor air.

[0034] The second is the fresh air cooling mode, which starts the indoor unit and opens the second air valve filter. The outdoor fresh air enters the air outlet cavity through the fresh air duct and is discharged into the room by the jet air guide tube.

[0035] The above two working modes can be adjusted according to the monitoring of the outdoor environment, thereby combining the advantages of traditional natural ventilation heat dissipation and air-cooled air conditioning heat dissipation, and have better energy-saving effects.

[0036] Example 2

[0037] like Figure 7As shown, this embodiment provides an integrated environmental control system for environmental control of transformer and distribution rooms. The system is based on the design of the integrated environmental control unit for environmental control of transformer and distribution rooms provided in Example 1. The indoor unit of the environmental control of transformer and distribution rooms is installed indoors, and the outdoor unit is installed outdoors. The fresh air inlet is connected to the outdoors through a fresh air duct, and an electrical cabinet is installed indoors.

[0038] On the basis of the above structure, this embodiment is further provided with several monitoring modules for monitoring indoor and outdoor environments, as follows:

[0039] Outdoor temperature and humidity detection modules and dust detection modules are also installed near the outdoor unit, and indoor temperature and humidity detection modules and smoke sensors are installed indoors; audio and video monitoring modules are also installed indoors. Among them, the outdoor temperature and humidity detection modules and indoor temperature and humidity detection modules can use temperature and humidity detection sensors, the dust detection module can use dust detection sensors, and the audio and video monitoring module uses wireless cameras.

[0040] The above-mentioned monitoring modules can all communicate with the back-end control system. At the same time, the control of the indoor and outdoor units can also communicate with the back-end control system through a wireless network, thereby realizing the intelligent control of the entire system. In further expansion functions, the indoor lighting control interlock and access control system can communicate with the back-end control system to achieve integrated control.

[0041] On the basis of the above settings, in a further preferred solution, the following extended functions can also be realized:

[0042] (1) It has the function of monitoring and controlling temperature and humidity, and can automatically set the ambient temperature of the electrical room to 20-35°C for automatic operation. When the indoor humidity is greater than the set value, the compressor dehumidification mode is started until the temperature and humidity curve of the electrical equipment room is within the 3K3 range, so that the indoor humidity meets the 3K3 standard for electrical room operation (3K3 standard: indoor temperature <40°C, indoor humidity <85%);

[0043] (2) Expand RS485 interface, upload communication and IoT cloud control functions;

[0044] (3) Control the whole equipment or multiple units on site into a centralized networking and control system, which can run automatically without human supervision;

[0045] (4) Control system design to achieve automatic and manual adjustment of temperature and various other operating parameters;

[0046] (5) The device system uses various protection components to achieve various operation protection, automatic start and stop and power-off memory functions in the system design. It has an automatic fault detection function and is also equipped with overload, overcurrent, undervoltage, high and low voltage protection. The unit performance is safe, stable and reliable;

[0047] (6) The device has the functions of parameter query, fault alarm, and historical record database query, and the query interface is represented by a curve graph.

[0048] The above is the preferred embodiment of the present invention. It should be noted that those skilled in the art can make several improvements without departing from the design principle and technical solution of the present invention, and these improvements should also be regarded as the protection scope of the present invention.

Claims

1. An integrated environmental control unit for environmental control of a transformer and distribution room, comprising an indoor unit (1) and an outdoor unit (2) connected by a pipeline, wherein the outdoor unit (2) is provided with a compressor, a cooler and an external circulation fan (3), and is characterized in that: The indoor unit (1) comprises an air outlet chamber (4), a middle chamber (5) and a return air chamber (6) which are arranged in sequence from top to bottom; a return air port (7) which is connected to the return air chamber (6) is arranged at the lower end of the indoor unit (1); a first air valve filter (8) and an evaporator (9) are arranged at the return air port (7); a fan (10) is arranged in the middle chamber (5); a fresh air inlet (11) which is connected to the air outlet chamber (4) is arranged on the upper end surface of the indoor unit (1); and a jet air guide (12) which is connected to the air outlet chamber (4) and is located on the same side as the return air port (7) is arranged on the side of the indoor unit (1).

2. The environmental control integrated unit for transformer and distribution room environment control according to claim 1 is characterized in that: A fresh air duct (13) is provided at the fresh air inlet (11).

3. The environmental control integrated unit for transformer and distribution room environment control according to claim 2 is characterized in that: The fresh air duct (13) is connected to the fresh air inlet (11) via a second air valve filter (14).

4. The environmental control integrated unit for transformer and distribution room environment control according to claim 3 is characterized in that: The air outlet cavity (4) and the middle cavity (5) are separated by a partition plate; the air inlet end of the fan (10) is located in the middle cavity (5), and the air outlet end is located in the air outlet cavity (4).

5. An integrated environmental control system for transformer and distribution room environment control, characterized by: The invention comprises an integrated environmental control unit for environmental control of a transformer and distribution room as claimed in any one of claims 1 to 4, wherein the indoor unit (1) is installed indoors (20), the outdoor unit (2) is installed outdoors (21), the fresh air inlet (11) is connected to the outdoors (21) through a fresh air duct (13), an outdoor temperature and humidity detection module (15) and a dust detection module (16) are also arranged outdoors and near the outdoor unit (2), and an indoor temperature and humidity detection module (17) and a smoke sensor (18) are arranged indoors (20).

6. The integrated environmental control system for transformer and distribution room environment control according to claim 5 is characterized in that: An audio and video monitoring module (19) is also provided in the room (20).

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