Intelligent new energy box-type substation

Abstract

The invention relates to the field of box-type substation equipment, in particular to an intelligent new energy box-type substation, which comprises a box body, a liftable top cover is arranged on the box body, the intelligent new energy box-type substation further comprises an air circulation mechanism, the air circulation mechanism comprises an air inlet assembly and an air outlet assembly, the air inlet assembly is used for inputting air outside the box body into the box body, and the air outlet assembly is used for outputting air outside the box body; the air outlet assembly is used for discharging air in the box body out of the box body; and the dehumidification assembly is used for dehumidifying air at the input end of the air inlet assembly and reducing moisture in the air. The temperature and humidity in the box body can be sensed through the detection mechanism, corresponding electric signals and control instructions are formed, the electric signals are connected with a background control system in real time, and in addition, the control instructions can control operation of the air circulation mechanism, the dehumidification assembly and the cooling mechanism; therefore, the temperature and the humidity in the box body are controlled, and the influence of the temperature and the humidity on the power equipment in the box body is reduced.

Description

Technical Field

[0001] The present invention relates to a box-type substation, in particular to an intelligent new energy box-type substation, belonging to the field of box-type substation equipment. Background Art

[0002] The new energy box-type substation is a kind of power equipment that integrates transformers, distribution devices and intelligent monitoring systems. It combines the functions of traditional substations with modern intelligent technologies to provide more efficient and reliable power solutions. The box-type substation can be better and independently set up where needed. The box-type substation mainly includes electrical equipment and a box set outside the electrical equipment for protecting the electrical equipment. The box is equipped with several power structures connected to the electrical equipment to ensure the normal operation of the electrical equipment. The operation mode and corresponding structure of the new energy box-type substation are in line with the current green development concept. Its integrated and multifunctional design can meet the use needs while saving waste of resources.

[0003] Box-type substations are widely used, especially in some remote areas. In order to ensure stable power supply in remote areas, new energy box-type substations are generally installed at appropriate locations. New energy box-type substations can be used as independent power supply units to provide stable power supply to meet the electricity needs of local residents and industries. Secondly, in order to convert the abundant wind and solar energy in remote areas into electrical energy, effectively utilize local resources, and reduce dependence on fossil fuels, corresponding new energy box-type substations are generally set up in the surrounding areas. However, setting up new energy box-type substations in remote areas increases the workload of maintenance personnel and is affected by the harsh outdoor environment. When water ingress, moisture, overheating, etc. occur in the new energy box-type substation, the new energy box-type substation itself lacks the means to deal with the corresponding problems, and the maintenance personnel cannot perform maintenance and inspection in the first time, which will cause damage to the new energy box-type substation, which will have a certain impact on the power supply.

[0004] Therefore, it is urgent to improve the new energy box-type substation to solve the above-mentioned problems. Summary of the invention

[0005] The purpose of the present invention is to provide an intelligent new energy box-type substation, which can sense the temperature and humidity inside the box through a detection mechanism and form corresponding electrical signals and control instructions, and the electrical signals will be connected to the background control system in real time. In addition, the control instructions will control the operation of the air circulation mechanism, dehumidification components and cooling mechanism, thereby controlling the temperature and humidity inside the box, reducing the impact of temperature and humidity on the power equipment inside the box, and in the absence of inspection by maintenance personnel, being able to handle corresponding problems intelligently and operate them remotely, thereby reducing damage to the new energy box-type substation due to the influence of temperature or humidity, and ensuring that the power supply is not affected by such situations.

[0006] In order to achieve the above-mentioned objectives, the main technical solutions adopted by the present invention include: an intelligent new energy box-type substation, including a box body, which is provided with a liftable top cover, and also includes: an air circulation mechanism arranged on the side wall of the box body, the air circulation mechanism includes an air intake component and an air outlet component, the air intake component is used to input the air outside the box body into the box body, and the air outlet component is used to discharge the air inside the box body to the outside of the box body; a dehumidification component, the dehumidification component is arranged on the air intake component, the dehumidification component dehumidifies the air at the input end of the air intake component and reduces the moisture in the air; a cooling mechanism arranged on the top cover, the cooling mechanism is used to cool the box body; a detection mechanism, the detection mechanism is used to detect the internal environmental data of the box body and transmit it wirelessly.

[0007] Preferably, the air intake assembly includes a plurality of air intake channels one connected to the side walls on both sides of the box body and a fan one connected to the inside of the air intake channel one, the air intake channel one connects the inside of the box body with the outside of the box body, the output end of the fan one faces the inside of the box body, and the input end of the fan one faces the outside of the box body.

[0008] Preferably, a filter is provided at the input end of the fan 1, and the filter is connected to the air inlet channel 1. The filter is composed of a plurality of filter screens, and the filter reduces the entry of impurities into the box.

[0009] Preferably, the air outlet component includes two air inlet channels arranged on the side walls on both sides of the box body and two fans connected to the inside of the two air inlet channels. The two air inlet channels connect the inside of the box body with the outside of the box body. The output end of the two fans faces the inside of the box body, and the input end of the two fans faces the outside of the box body. A ventilation mesh is provided on one end of the two air inlet channels located outside the box body.

[0010] Preferably, the dehumidification component includes a condensation plate, a serpentine pipe fitting, an input pipe fitting, an output pipe fitting and a compressor body, the condensation plates are several and connected to the air inlet channel 1, and the several condensation plates are arranged at a position between the fan 1 and the filter element, the box body is connected to a device box, and the compressor body is arranged inside the device box.

[0011] Preferably, the serpentine pipe fitting passes through and is connected to several of the condensing plates, the input pipe fitting and the output pipe fitting are respectively provided with several input ends and several output ends, the output end of the compressor body is connected to the input end of the output pipe fitting, the output end of the output pipe fitting is connected to the input end of the serpentine pipe fitting, the input end of the input pipe fitting is connected to the output end of the serpentine pipe fitting, and the output end of the input pipe fitting is connected to the input end of the compressor body.

[0012] Preferably, the cooling mechanism includes a water collecting tank, an annular pipe, a water pipe and a water pump, the top cover is provided with a plurality of water passing grooves, the water collecting tank is connected to the top cover, and the input end of the water collecting tank corresponds to the plurality of water passing grooves, the input end of the water pipe is connected to the interior of the water collecting tank, the output end of the water pipe is connected to the input end of the annular pipe, the annular pipe is connected to the top cover, the water pump is connected to the water pipe, the water pump is used to guide the water flow inside the water collecting tank into the interior of the annular pipe, the annular pipe is provided with a plurality of output ends, and the output ends of the annular pipe are all connected to water nozzles, and the output ends of the water nozzles correspond to the outer wall of the box body.

[0013] Preferably, the detection mechanism includes a temperature sensor, a humidity sensor, a camera, a signal transmission antenna and a controller arranged inside the box, the temperature sensor is used to sense the temperature inside the box and form a corresponding temperature electrical signal, the humidity sensor is used to sense the humidity inside the box and form a corresponding humidity electrical signal, the camera is used to observe the internal environment of the box and form a corresponding image electrical signal, the controller is provided with several input ends and output ends, and the several input ends of the controller are respectively connected to the output ends of the temperature sensor, the humidity sensor, and the camera, the controller input end receives the corresponding temperature electrical signal, humidity electrical signal and image electrical signal and then outputs a control signal, the signal transmission antenna is connected to the top cover, and the signal transmission antenna is connected to one of the output ends of the controller.

[0014] Preferably, a telescopic rod is fixedly connected to the inner wall of the box body, an output end of the telescopic rod is connected to the top cover, one output end of the controller is connected to the telescopic rod, and a control signal output by the controller controls the operation of the telescopic rod.

[0015] Preferably, the control signals output by the controller respectively control the operation of the fan 1, the fan 2, the water pump and the compressor body.

[0016] The present invention has at least the following beneficial effects: The detection mechanism will sense the temperature and humidity inside the box and form corresponding electrical signals and control instructions, and the electrical signals will be connected to the background control system in real time. In addition, the control instructions will control the operation of the air circulation mechanism, dehumidification components and cooling mechanism, thereby controlling the temperature and humidity inside the box, reducing the impact of temperature and humidity on the power equipment inside the box, and can handle corresponding problems intelligently in the absence of maintenance personnel inspection, and can operate it remotely, thereby reducing the damage of new energy box-type substations due to temperature or humidity, and ensuring that the power supply is not affected by such situations. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings: Figure 1 The three-dimensional structure provided by the present invention is shown in FIG. Figure 1 ; Figure 2 The three-dimensional structure provided by the present invention is shown in FIG. Figure 1 ; Figure 3 The cross-sectional structure provided by the present invention is schematically shown Figure 1 ; Figure 4 The cross-sectional structure provided by the present invention is schematically shown Figure 2 ; Figure 5 Partial structural diagram provided by the present invention Figure 1 ; Figure 6 The present invention provides Figure 5 Schematic diagram of the structure of the middle part; Figure 7 The cross-sectional structure provided by the present invention is schematically shown Figure 2 ; Figure 8 The present invention provides Figure 7 Schematic diagram of the explosion of the central part of the structure.

[0018] In the figure, 1. box body; 2. top cover; 3. cooling mechanism; 4. air inlet channel 1; 5. fan 1; 6. filter; 7. air inlet channel 2; 8. fan 2; 9. ventilation mesh; 10. condensation plate; 11. serpentine pipe fitting; 12. input pipe fitting; 13. output pipe fitting; 14. compressor body; 15. device box; 16. water collecting box; 17. annular pipe fitting; 18. water guide pipe; 19. water pump; 20. water trough; 21. water nozzle; 22. temperature sensor; 23. humidity sensor; 24. camera; 25. signal transmission antenna; 26. controller; 27. telescopic rod; 28. frame plate; 29. ​​ventilation slot. DETAILED DESCRIPTION

[0019] The following will describe the implementation methods of the present application in detail with the help of accompanying drawings and examples, so that the implementation process of how the present application uses technical means to solve technical problems and achieve technical effects can be fully understood and implemented accordingly.

[0020] like Figure 1-Figure 8 As shown, the intelligent new energy box-type substation provided in this embodiment includes a box body 1, on which a liftable top cover 2 is provided, and also includes: an air circulation mechanism arranged on the side wall of the box body 1, the air circulation mechanism includes an air intake component and an air outlet component, the air intake component is used to input the air outside the box body 1 into the box body 1, and the air outlet component is used to discharge the air inside the box body 1 to the outside of the box body 1; a dehumidification component, the dehumidification component is arranged on the air intake component, and the dehumidification component dehumidifies the air at the input end of the air intake component and reduces the moisture in the air; a cooling mechanism 3 arranged on the top cover 2, and the cooling mechanism 3 is used to cool the box body 1; a detection mechanism, a detection mechanism, The mechanism detection is used to detect the internal environmental data of the box 1 and transmit it wirelessly. When in use, the detection mechanism will sense the temperature and humidity inside the box 1 and form corresponding electrical signals and control instructions, and the control instructions will control the operation of the air circulation mechanism, dehumidification components and cooling mechanism 3, thereby controlling the temperature and humidity inside the box 1, reducing the impact of temperature and humidity on the electrical equipment inside the box 1, ensuring the normal operation of the electrical equipment, and also improving the ability of the box 1 to handle itself when the temperature and humidity are too high, reducing the number of maintenance times by workers, and improving the ability of remote control.

[0021] Among them, Figure 3As shown, the detection mechanism includes a temperature sensor 22, a humidity sensor 23, a camera 24, a signal transmission antenna 25 and a controller 26 arranged inside the box 1. The temperature sensor is used to sense the temperature inside the box 1 and form a corresponding temperature electrical signal. The humidity sensor is used to sense the humidity inside the box 1 and form a corresponding humidity electrical signal. The camera 24 is used to observe the internal environment of the box 1 and form a corresponding image electrical signal. The controller 26 has a plurality of input ends and output ends, and the plurality of input ends of the controller 26 are respectively connected to the output ends of the temperature sensor 22, the humidity sensor 23, and the camera 24. The controller 26 input end receives the corresponding temperature electrical signal, humidity electrical signal and image electrical signal and then outputs a control signal. The signal transmission antenna 25 is connected to the top cover 2, and the signal transmission antenna 25 is connected to one of the output ends of the controller 26. The output end of the signal transmission antenna 25 is connected to a background control system (not shown in the figure). The system is a prior art, and is mainly used for background remote operation through the system. The temperature sensor 22, the humidity sensor 23, and the camera 24 mentioned above can be selected according to the corresponding model according to the use needs.

[0022] Further, such as Figure 1 as well as Figure 8 As shown, the air intake assembly includes a plurality of air intake channels 4 connected to the side walls on both sides of the box body 1 and a fan 5 connected to the inside of the air intake channel 4. The air intake channel 4 connects the inside of the box body 1 with the outside of the box body 1. The output end of the fan 5 faces the inside of the box body 1, and the input end of the fan 5 faces the outside of the box body 1. The input end of the fan 5 is provided with a filter element, and the filter element is connected to the air intake channel 4. The filter element is composed of a plurality of filter screens 6. The filter screen 6 reduces the entry of impurities into the box body 1. When in use, the fan 5 is driven to input air into the box body 1, and then the air causes the hot air inside the box body 1 to flow and perform heat exchange.

[0023] Furthermore, if Figure 7 as well as Figure 8 As shown, the dehumidification component includes a condensation plate 10, a serpentine pipe 11, an input pipe 12, an output pipe 13 and a compressor body 14. There are several condensation plates 10 and they are connected to the air intake channel 4, and several condensation plates 10 are arranged at a position between the fan 5 and the filter element. A device box 15 is connected to the box body 1, and the compressor body 14 is arranged inside the device box 15.

[0024] The serpentine pipe fitting 11 passes through and is connected to a number of condensation plates 10. The input pipe fitting 12 and the output pipe fitting 13 are respectively provided with a number of input ends and a number of output ends. The output end of the compressor body 14 is connected to the input end of the output pipe fitting 13, the output end of the output pipe fitting 13 is connected to the input end of the serpentine pipe fitting 11, the input end of the input pipe fitting 12 is connected to the output end of the serpentine pipe fitting 11, and the output end of the input pipe fitting 12 is connected to the input end of the compressor body 14. When in use, the compressor body 14 will operate the coolant flowing inside the input pipe fitting 12 and the output pipe fitting 13. This operation method is a feature of the prior art and will not be elaborated. Then the temperature of the several condensation plates 10 will be reduced. When the air passes through the condensation plates 10, the moisture in the air will be liquefied due to the low temperature and adhere to the condensation plates 10.

[0025] Furthermore, Figure 4 As shown, the air outlet component includes an air inlet channel 27 arranged on the side walls of both sides of the box body 1 and a fan 28 connected to the inside of the air inlet channel 27. The air inlet channel 27 connects the inside of the box body 1 with the outside of the box body 1. The output end of the fan 28 faces the inside of the box body 1, and the input end of the fan 28 faces the outside of the box body 1. A ventilation mesh 9 is provided on one end of the air inlet channel 27 located outside the box body 1. The ventilation mesh 9 forms a protection for one end of the air inlet channel 27 to prevent the entry of debris. Then the gas after heat exchange will flow out along the air inlet channel 27.

[0026] Further, if Figure 2 As shown in FIG. 6 , the cooling mechanism 3 includes a water collecting tank 16, an annular pipe 17, a water guide pipe 18 and a water pump 19. The top cover 2 is provided with a plurality of water-passing slots 20. The water collecting tank 16 is connected to the top cover 2, and the input end of the water collecting tank 16 corresponds to the plurality of water-passing slots 20. The input end of the water guide pipe 18 is connected to the inside of the water collecting tank 16, and the output end of the water guide pipe 18 is connected to the input end of the annular pipe 17. The annular pipe 17 is connected to the top cover 2, and the water pump 19 is connected to the water guide pipe 18. The water pump 19 is used to guide the water flow inside the water collecting tank 16 into the annular pipe fitting 17. The annular pipe fitting 17 is provided with a plurality of output ends, and the output ends of the annular pipe fitting 17 are all connected with water spray nozzles 21. The output ends of the water spray nozzles 21 correspond to the outer wall of the box body 1. The water collecting tank 16 collects rainwater through the water trough 20. When necessary, the controller 26 controls the operation of the water pump 19, so that the water will flow out from the water spray nozzles 21 and sprinkle on the outer wall of the box body 1, and then the box body 1 itself is cooled.

[0027] The control signals output by the controller 26 respectively control the operation of the fan 1 5, the fan 2 8, the water pump 19 and the compressor body 14, wherein the fan 1 5, the fan 2 8, the water pump 19 and the compressor body 14 are all prior art equipment, and the appropriate model is selected according to the use requirements in the invention, and no detailed description is given in this specification. When in use, the controller 26 will analyze the sensing data transmitted by the corresponding temperature sensor 22 and the humidity sensor 23, and control the operation of the fan 1 5, the fan 2 8, the water pump 19 and the compressor body 14 according to the corresponding threshold value, and the operation of the fan 1 5, the fan 2 8, the water pump 19 and the compressor body 14 will perform heat dissipation, cooling and dehumidification treatment on the inside of the box 1 and itself, thereby forming automatic intelligent sensing and self-processing operations, and improving the intelligence level of the device.

[0028] Furthermore, if Figure 4 As shown, a telescopic rod 27 is fixedly connected to the inner wall of the box body 1, and the output end of the telescopic rod 27 is connected to the top cover 2. One of the output ends of the controller 26 is connected to the telescopic rod 27. The control signal output by the controller 26 controls the operation of the telescopic rod 27. A frame plate 28 with ventilation slots 29 is provided on the top cover 2. When the top cover 2 is lifted by the telescopic rod 27, the frame plate 28 and the ventilation slots 29 on the frame plate 28 will contact the outside world, and then the outside air will form convection with the air inside the box body 1 through the ventilation slots 29, thereby accelerating the heat dissipation of the air inside the box body 1.

[0029] For example, certain words are used in the specification and claims to refer to specific components. Those skilled in the art should understand that hardware manufacturers may use different terms to refer to the same component. This specification and claims do not use differences in names as a way to distinguish components, but use differences in the functions of components as the criteria for distinction. For example, "including" mentioned throughout the specification and claims is an open term, so it should be interpreted as "including but not limited to". "Approximately" means that within an acceptable error range, those skilled in the art can solve technical problems within a certain error range and basically achieve technical effects.

[0030] It should be noted that the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a product or system including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such product or system. In the absence of more restrictions, the elements defined by the sentence "comprises a ..." do not exclude the existence of other identical elements in the product or system including the elements.

[0031] The above description shows and describes several preferred embodiments of the present invention, but as mentioned above, it should be understood that the present invention is not limited to the form disclosed herein, and should not be regarded as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be modified within the scope of the invention concept described herein through the above teachings or the technology or knowledge of the relevant field. Changes and variations made by those skilled in the art do not depart from the spirit and scope of the present invention, and should be within the scope of protection of the claims attached to the present invention.

Claims

1. An intelligent new energy box-type substation, comprising a box body (1), wherein the box body (1) is provided with a liftable top cover (2), characterized in that: Also includes: an air circulation mechanism disposed on a side wall of the box (1), the air circulation mechanism comprising an air inlet assembly and an air outlet assembly, the air inlet assembly being used to input air outside the box (1) into the box (1), and the air outlet assembly being used to discharge air inside the box (1) to the outside of the box (1); A dehumidification component, the dehumidification component is arranged on the air intake component, and the dehumidification component dehumidifies the air at the input end of the air intake component and reduces the moisture in the air; A cooling mechanism (3) disposed on the top cover (2), the cooling mechanism (3) being used to cool the main body of the box (1); A detection mechanism, the detection mechanism is used to detect the internal environmental data of the box (1) and transmit it wirelessly.

2. According to claim 1, the intelligent new energy box-type substation is characterized by: The air intake assembly comprises a plurality of air intake channels (4) connected to the side walls of both sides of the box (1) and a fan (5) connected to the inside of the air intake channel (4); the air intake channel (4) connects the inside of the box (1) with the outside of the box (1); the output end of the fan (5) faces the inside of the box (1), and the input end of the fan (5) faces the outside of the box (1).

3. According to claim 2, an intelligent new energy box-type substation is characterized in that: The input end of the fan 1 (5) is provided with a filter element, and the filter element is connected to the air inlet channel 1 (4). The filter element is composed of a plurality of filter screens (6), and the filter element reduces the entry of impurities into the box body (1).

4. According to claim 2, the intelligent new energy box-type substation is characterized by: The air outlet assembly comprises an air inlet channel 2 (7) arranged on the side walls of both sides of the box body (1) and a fan 2 (8) connected to the inside of the air inlet channel 2 (7); the air inlet channel 2 (7) connects the inside of the box body (1) with the outside of the box body (1); the output end of the fan 2 (8) faces the inside of the box body (1); the input end of the fan 2 (8) faces the outside of the box body (1); and a ventilation mesh (9) is provided on one end of the air inlet channel 2 (7) located outside the box body (1).

5. According to claim 4, the intelligent new energy box-type substation is characterized in that: The dehumidification component comprises a condensation plate (10), a serpentine pipe (11), an input pipe (12), an output pipe (13) and a compressor body (14); the condensation plates (10) are multiple and connected to the air inlet channel 1 (4); and the multiple condensation plates (10) are arranged at a position between the fan 1 (5) and the filter element; the box body (1) is connected to a device box (15); and the compressor body (14) is arranged inside the device box (15).

6. According to claim 5, the intelligent new energy box-type substation is characterized in that: The serpentine pipe fitting (11) penetrates and is connected to a plurality of the condensing plates (10); the input pipe fitting (12) and the output pipe fitting (13) are respectively provided with a plurality of input ends and a plurality of output ends; the output end of the compressor body (14) is connected to the input end of the output pipe fitting (13); the output end of the output pipe fitting (13) is connected to the input end of the serpentine pipe fitting (11); the input end of the input pipe fitting (12) is connected to the output end of the serpentine pipe fitting (11); and the output end of the input pipe fitting (12) is connected to the input end of the compressor body (14).

7. According to claim 5, the intelligent new energy box-type substation is characterized by: The cooling mechanism (3) comprises a water collecting box (16), an annular pipe (17), a water guide pipe (18) and a water pump (19); a plurality of water passage slots (20) are provided on the top cover (2); the water collecting box (16) is connected to the top cover (2); an input end of the water collecting box (16) corresponds to the plurality of water passage slots (20); an input end of the water guide pipe (18) is connected to the interior of the water collecting box (16); and an output end of the water guide pipe (18) is connected to the annular pipe ( The annular pipe (17) is connected to the input end of the water collecting tank (16), the annular pipe (17) is connected to the top cover (2), the water pump (19) is connected to the water guide pipe (18), the water pump (19) is used to guide the water flow inside the water collecting tank (16) into the annular pipe (17), the annular pipe (17) is provided with a plurality of output ends, and the output ends of the annular pipe (17) are all connected to water spray nozzles (21), and the output ends of the water spray nozzles (21) correspond to the outer side wall of the box body (1).

8. The intelligent new energy box-type substation according to claim 7 is characterized by: The detection mechanism comprises a temperature sensor (22), a humidity sensor (23), a camera (24), a signal transmission antenna (25) and a controller (26) arranged inside the box (1). The temperature sensor is used to sense the temperature inside the box (1) and form a corresponding temperature electrical signal. The humidity sensor is used to sense the humidity inside the box (1) and form a corresponding humidity electrical signal. The camera (24) is used to observe the internal environment of the box (1) and form a corresponding image electrical signal. The controller (26) is provided with a plurality of input ends and output ends, and the plurality of input ends of the controller (26) are respectively connected to the output ends of the temperature sensor (22), the humidity sensor (23) and the camera (24). The input end of the controller (26) receives the corresponding temperature electrical signal, humidity electrical signal and image electrical signal and then outputs a control signal. The signal transmission antenna (25) is connected to the top cover (2). The signal transmission antenna (25) is connected to one of the output ends of the controller (26).

9. The intelligent new energy box-type substation according to claim 8 is characterized in that: A telescopic rod (27) is fixedly connected to the inner wall of the box body (1); an output end of the telescopic rod (27) is connected to the top cover (2); one output end of the controller (26) is connected to the telescopic rod (27); and a control signal output by the controller (26) controls the operation of the telescopic rod (27).

10. The intelligent new energy box-type substation according to claim 8 is characterized in that: The control signals output by the controller (26) respectively control the operation of the fan 1 (5), the fan 2 (8), the water pump (19) and the compressor body (14).

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