A reactive power compensation system for wind power onshore metering stations with integrated cooling and fire protection functions

Abstract

The present invention discloses a reactive power compensation system for an onshore wind power metering station with integrated cooling and fire fighting functions, comprising a reactive power compensation device and a cooling and fire fighting integrated device arranged outside the reactive power compensation device, the cooling and fire fighting integrated device comprising an adjustable base and an expandable cooling and fire fighting template, the expandable cooling and fire fighting template comprising a main template and an expansion template, the expansion template being detachably connected to both sides of the main template through a switching interface, a cooling flow channel being arranged in the main template and the expandable template, a plurality of fire fighting nozzles being arranged in the main template and the expandable template, and the fire fighting nozzles being connected to the cooling flow channel through a mechanical temperature response valve. The present invention can adjust the size of the base and the size of the fire fighting template according to the size of the reactive power compensation device, and the expandable cooling and fire fighting template integrates a fire fighting function, has a reliable structure and a fast fire fighting reaction speed.

Description

Technical Field

[0001] The invention relates to a reactive power compensation system, in particular to a reactive power compensation system for a wind power onshore metering station with integrated cooling and fire protection functions, belonging to the technical field of wind power distribution. Background Art

[0002] Wind power onshore metering station is an important part of wind power project. The electric energy generated by wind power is aggregated and metered through wind power onshore metering station and then connected to the power grid to supply power to the power grid. Since the electric energy generated by wind power needs to be aggregated and metered, the corresponding distribution system needs to be installed in the wind power onshore metering station to perform power adjustment, compensation and other operations on the wind power electric energy. Some equipment and devices in the distribution system, such as large capacitors of reactive power compensation system and battery packs of energy storage system, need to be maintained in a low-temperature working environment, and they also have the risk of spontaneous combustion and explosion at high temperature. Therefore, when constructing wind power onshore metering station, it is necessary to consider the cooling and fire protection of equipment such as reactive power compensation system and energy storage system. In the prior art, the cooling and fire protection facilities of related equipment are usually installed and designed separately. Fire protection mainly relies on the indoor top fire sprinkler system in conjunction with the indoor fixed position fire extinguishing station. The fire sprinkler has poor fire extinguishing performance for capacitor and battery explosion, and the fire extinguishing station needs to be operated manually to extinguish the fire, which has poor timeliness. Summary of the invention

[0003] The technical problem to be solved by the present invention is to provide a reactive power compensation system for a wind power onshore metering station with integrated cooling and fire protection functions, so as to realize the integration of cooling and fire protection of power distribution systems such as reactive power compensation systems, and improve the timeliness of fire protection.

[0004] In order to solve the above technical problems, the technical solution adopted by the present invention is:

[0005] A reactive power compensation system for an onshore wind power metering station with integrated cooling and fire protection functions comprises a reactive power compensation device and a cooling and fire protection integrated device arranged outside the reactive power compensation device, the cooling and fire protection integrated device comprises an adjustable base and an expandable cooling and fire protection template, the adjustable base is sleeved on the outside of the reactive power compensation device and arranged at the bottom of the reactive power compensation device, the expandable cooling and fire protection template is fixed on the upper side of the adjustable base and located on the four sides of the reactive power compensation device, the expandable cooling and fire protection template comprises a main template and an extension template, the main template is fixed on the upper end of the adjustable base, the extension template is detachably connected to both sides of the main template through a switching interface, cooling channels are arranged in the main template and the expandable template, a plurality of fire protection nozzles are arranged in the main template and the expandable template, and each fire protection nozzle is connected to the cooling channel through a mechanical temperature response valve.

[0006] Furthermore, the adjustable base includes a front base, a rear base, a left base and a right base, and the two ends of the front base, the rear base, the left base and the right base are connected in pairs to form a rectangular base frame matching the reactive compensation device and is sleeved on the bottom of the outer side of the reactive compensation device.

[0007] Furthermore, the front base, rear base, left base and right base respectively include a middle main body base and telescopic base rods on both sides, and telescopic holes matching the telescopic base rods on both sides are provided at both ends of the middle main body base, one end of the telescopic base rod is slidably arranged in the telescopic hole at one end of the middle main body base and can slide back and forth along the length direction of the middle main body base, and two parallel bolt slots are opened on the side surfaces of both ends of the middle main body base, and screw holes are provided on the telescopic base rods on both sides corresponding to the positions of the two bolt slots, and the two bolts are respectively passed through the two bolt slots and locked and fixed in the screw holes of the telescopic base rod.

[0008] Furthermore, a sleeve is respectively provided at both ends of the front base and the rear base, and both ends of the left base and the right base are respectively inserted into the sleeves at both ends of the front base and the rear base and are locked and fixed by a locking mechanism.

[0009] Furthermore, the locking mechanism includes a wedge-shaped lock tongue, a return spring and a spring support rod, a cavity structure matching the return spring is arranged on the inner walls of the upper side surfaces at both ends of the left base and the right base, a limiting convex ring matching the cross-section of the cavity structure is arranged at the lower end of the wedge-shaped lock tongue, the wedge-shaped lock tongue is slidably arranged in the cavity structure through the limiting convex ring and can slide freely in the vertical direction, the spring support rod is vertically arranged and the upper end of the spring support rod is fixedly connected to the lower side of the wedge-shaped lock tongue, the return spring is sleeved on the outer side of the spring support rod and is located between the lower side surface of the wedge-shaped lock tongue and the bottom surface of the inner cavity of the cavity structure, a first lock hole matching the wedge-shaped lock tongue is opened on the upper side surfaces of the left base and the right base, and a second lock hole matching the wedge-shaped lock tongue is opened on the upper side of the sleeve of the front base and the rear base corresponding to the first lock hole position.

[0010] Furthermore, the cooling channels in the main template and the expandable template are coiled in an S shape, liquid carbon dioxide is used as a refrigerant in the cooling channel, and the liquid inlet and outlet of the main template are arranged together.

[0011] Furthermore, the switching structure includes a main template liquid outlet pipe, a main template liquid inlet pipe, an expandable template liquid inlet pipe, an expandable template liquid outlet pipe, an intermediate connecting pipe and a threaded cap, the cooling channel in the main template is located on the side surfaces of the main template, and the cooling channel is disconnected from the middle to form a first fracture and a second fracture, the first fracture is connected to one end of the main template liquid outlet pipe, and the other end of the main template liquid outlet pipe is fixed to the side surface of the main template, the second fracture is connected to one end of the main template liquid inlet pipe, and the other end of the main template liquid inlet pipe is fixed to the side surface of the main template, the cooling channel in the expandable template is located on one side of the expandable template. The cooling channel is disconnected from the middle to form a third fracture and a fourth fracture, the third fracture is connected to one end of the expandable template liquid inlet pipe, and the other end of the expandable template liquid inlet pipe is fixed to the side surface of the expandable template, the fourth fracture is connected to one end of the expandable template liquid outlet pipe, and the other end of the expandable template liquid outlet pipe is fixed to On the side of the expandable template, the other end of the expandable template liquid inlet pipe and the expandable template liquid outlet pipe has an extension pipe extending out of the outside of the expandable template, the outer diameter of the extension pipe matches the inner diameter of the main template liquid outlet pipe and the main template liquid inlet pipe, the main template liquid outlet pipe and the main template liquid inlet pipe are provided with an inner limiting ring, the expandable template liquid inlet pipe and the extension pipe of the expandable template liquid outlet pipe are provided with an outer limiting ring on the outside of the extension pipe on the side of the outer limiting ring away from the main template, the other end of the threaded cap is sleeved on the outside of the main template liquid outlet pipe and the other end of the main template liquid inlet pipe and is threadedly connected to the outside of the main template liquid outlet pipe and the other end of the main template liquid inlet pipe, one end of the intermediate connecting pipe is connected to the main template liquid outlet pipe, and the other end of the intermediate connecting pipe is connected to the main template liquid inlet pipe, and the extension pipes of the expandable template liquid inlet pipe and the expandable template liquid outlet pipe close the two ends of the intermediate connecting pipe when installed.

[0012] Furthermore, the multiple fire nozzles are dispersed in the main template and the expandable template, the fire nozzles adopt Venturi nozzles, and the inner sides of the main template and the expandable template are provided with conical recesses corresponding to each fire nozzle, and the fire nozzles are installed in the middle position of the conical recesses.

[0013] Furthermore, the mechanical temperature response valve includes a valve housing, a valve plate, a valve stem, a pressure spring, a piston, a cover and thermal expansion material particles. A main channel is arranged in the valve housing, a liquid inlet interface is arranged on the valve housing at one end of the main channel, a liquid outlet interface is arranged on the valve housing at the other end of the main channel, a valve cavity is arranged in the middle of the main channel, the valve plate is slidably arranged in the valve cavity and can slide in a direction perpendicular to the axial direction of the main channel, a through hole matching the main channel is opened in the middle of the valve plate, the lower end of the valve stem is fixedly connected to the upper end of the valve plate, the upper end of the valve stem is fixedly connected to the lower side of the piston, the lower end of the cover is sleeved on the upper end of the valve housing and sealed and fixed to the valve housing, the piston is slidably arranged on the inner wall of the cover and can slide up and down in the cover in a vertical direction, the pressure spring is sleeved on the outside of the valve stem and is located between the lower side of the piston and the upper end of the valve housing, and the thermal expansion material particles are arranged in the inner cavity of the cover on the upper side of the piston.

[0014] Furthermore, the thermal expansion material particles are expandable microspheres.

[0015] Compared with the prior art, the present invention has the following advantages and effects: the present invention provides a reactive power compensation system for an onshore wind power metering station with integrated cooling and fire-fighting functions, wherein a cooling and fire-fighting integrated device consisting of an adjustable base and an expandable cooling and fire-fighting template is integrated on the outside of the reactive power compensation device; the size of the base can be adjusted according to the size of the reactive power compensation device through the adjustable base, and the adjustable base is easy to install, and can be quickly installed and disassembled without the aid of tools; the expandable cooling and fire-fighting template can be spliced ​​and expanded according to the size of the reactive power compensation device, and the switching interface can quickly realize the switching of the cooling flow channel; and the expandable cooling and fire-fighting template integrates the fire-fighting function; through the mechanical temperature response valve, when the temperature of the reactive power compensation device is too high, the mechanic temperature response valve automatically opens to perform fire-fighting spraying on the corresponding high-temperature position of the reactive power compensation device; the structure is reliable and the fire-fighting response speed is fast. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of a reactive power compensation system for a wind power onshore metering station with integrated cooling and fire-fighting functions according to the present invention.

[0017] Figure 2 It is a side view of a reactive power compensation system for a wind power onshore metering station with integrated cooling and fire-fighting functions according to the present invention.

[0018] Figure 3 Schematic diagram of the locking mechanism of the present invention.

[0019] Figure 4 Schematic diagram of the switching structure of the present invention.

[0020] Figure 5 Schematic diagram of the mechanical temperature response valve of the present invention. DETAILED DESCRIPTION

[0021] In order to elaborate on the technical scheme adopted by the present invention to achieve the predetermined technical purpose, the technical scheme in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only partial embodiments of the present invention, rather than all embodiments, and the technical means or technical features in the embodiments of the present invention can be replaced without paying creative work. The present invention will be described in detail below with reference to the drawings and in conjunction with the embodiments.

[0022] like Figure 1 and Figure 2 As shown, a reactive power compensation system of an onshore wind power metering station with integrated cooling and fire protection functions of the present invention comprises a reactive power compensation device 1 and a cooling and fire protection integrated device arranged on the outside of the reactive power compensation device 1, the cooling and fire protection integrated device comprises an adjustable base 2 and an expandable cooling and fire protection template 3, the adjustable base 2 is sleeved on the outside of the reactive power compensation device 1 and is arranged at the bottom end of the reactive power compensation device 1, the expandable cooling and fire protection template 3 is fixed on the upper side of the adjustable base 2 and is located on the four sides of the reactive power compensation device 1, the expandable cooling and fire protection template 3 comprises a main template 4 and an expansion template 5, the main template 4 is fixed on the upper end of the adjustable base 2, the expansion template 5 is detachably connected to both sides of the main template 4 through a switching interface, a cooling flow channel 6 is arranged in the main template 4 and the expandable template 5, a plurality of fire protection nozzles 7 are arranged in the main template 4 and the expandable template 5, and each fire protection nozzle 7 is connected to the cooling flow channel 6 through a mechanical temperature response valve 8.

[0023] The adjustable base 2 includes a front base, a rear base, a left base and a right base. The two ends of the front base, the rear base, the left base and the right base are connected in pairs to form a rectangular base frame matching the reactive compensation device 1 and are sleeved on the bottom of the outer side of the reactive compensation device 1.

[0024] The front base, rear base, left base and right base respectively include a middle main body base 9 and telescopic base rods 10 on both sides. Telescopic holes matching the telescopic base rods 10 on both sides are provided at both ends of the middle main body base 9. One end of the telescopic base rod 10 is slidably arranged in the telescopic hole at one end of the middle main body base 9 and can slide back and forth along the length direction of the middle main body base 9. Two parallel bolt slots 11 are provided on the sides of both ends of the middle main body base 9. Screw holes are provided at the positions of the two bolt slots 11 corresponding to the telescopic base rods 10 on both sides. Two bolts 12 are respectively passed through the two bolt slots 11 and then locked and fixed in the screw holes of the telescopic base rods 10. When it is necessary to adjust the length of the front base, rear base, left base and right base, the two bolts 12 are loosened, and then the telescopic base rods 10 on both sides are telescopically adjusted along the telescopic holes at both ends of the middle main body base 9. When the required length is adjusted, the two bolts 12 are tightened again to complete the adjustment of the length of the front base, rear base, left base and right base.

[0025] A sleeve 13 is respectively disposed at both ends of the front base and the rear base, and both ends of the left base and the right base are respectively inserted into the sleeves 13 at both ends of the front base and the rear base and are locked and fixed by a locking mechanism 14.

[0026] like Figure 3 As shown, the locking mechanism 14 includes a wedge-shaped lock tongue 15, a return spring 16 and a spring support rod 17. A cavity structure 18 matching the return spring 16 is arranged on the inner walls of the upper side surfaces at both ends of the left base and the right base. A limiting convex ring 19 matching the cross-section of the cavity structure 18 is arranged at the lower end of the wedge-shaped lock tongue 15. The wedge-shaped lock tongue 15 is slidably arranged in the cavity structure 18 through the limiting convex ring 19 and can slide freely in the vertical direction. The spring support rod 17 is vertically arranged and the upper end of the spring support rod 17 is fixedly connected to the lower side of the wedge-shaped lock tongue 15. The return spring 16 is sleeved on the outer side of the spring support rod 17 and is located between the lower side surface of the wedge-shaped lock tongue 15 and the bottom surface of the inner cavity of the cavity structure 18. A first lock hole matching the wedge-shaped lock tongue 15 is opened on the upper side surfaces of the left base and the right base, and a second lock hole matching the wedge-shaped lock tongue 15 is opened on the upper side of the sleeve of the front base and the rear base corresponding to the first lock hole position. Under normal circumstances, the return spring 16 provides an upward elastic force for the wedge-shaped lock tongue 15 so that the upper end portion of the wedge-shaped lock tongue 15 can protrude from the first lock hole, and the limiting protrusion ring 19 can limit the wedge-shaped lock tongue 15 in the cavity structure 18. During installation, when the ends of the left base and the right base are inserted into the sleeves at the high ends of the front base and the rear base, when the wedge-shaped lock tongue 15 contacts the inner wall of the sleeve, the wedge-shaped lock tongue 15 is pressed down by the inner wall of the sleeve into the first lock hole. At this time, the return spring 16 is compressed. When the left base and the right base are installed in place in the sleeve, the positions of the first lock hole and the second lock hole coincide. At this time, the upper end of the wedge-shaped lock tongue 15 pops up and is stuck in the second lock hole under the action of the return spring 16 to complete the position locking and positioning.

[0027] The cooling channel 6 in the main template 4 and the expandable template 5 is S-shaped and uses liquid carbon dioxide as a refrigerant, which has a good cooling effect and will not cause environmental pollution even if it leaks. In addition, carbon dioxide can be used as a firefighting material when needed. The liquid inlet and outlet of the main template 4 are arranged together, which is convenient for installation with the adjustable base 2.

[0028] like Figure 4As shown, the switching structure includes a main template liquid outlet pipe 20, a main template liquid inlet pipe 21, an expandable template liquid inlet pipe 22, an expandable template liquid outlet pipe 23, an intermediate connecting pipe 24 and a threaded screw cap 25. The cooling channel 6 in the main template 4 is located on the sides of the main template 4. The cooling channel 6 is broken from the middle to form a first fracture and a second fracture. The first fracture is connected to one end of the main template liquid outlet pipe 20, and the other end of the main template liquid outlet pipe 20 is fixed to the side of the main template 4. The second fracture is connected to one end of the main template liquid inlet pipe 21, and the other end of the main template liquid inlet pipe 21 is fixed to the side of the main template 4. The cooling channel 6 in the expandable template 5 is located on one side of the expandable template 5. The cooling channel 6 is broken from the middle to form a third fracture and a fourth fracture. The third fracture is connected to one end of the expandable template liquid inlet pipe 22, and the other end of the expandable template liquid inlet pipe 22 is fixed to the side of the expandable template 5. The fourth fracture is connected to one end of the expandable template liquid outlet pipe 23, and the other end of the expandable template liquid outlet pipe 23 is fixed to the side of the expandable template 5. The other ends of the template liquid inlet pipe 22 and the expandable template liquid outlet pipe 23 have an extension pipe 26 extending out of the outside of the expandable template 5, and the outer diameter of the extension pipe 26 matches the inner diameter of the main template liquid outlet pipe 20 and the main template liquid inlet pipe 21. The main template liquid outlet pipe 20 and the main template liquid inlet pipe 21 are provided with an inner limit ring 27, and the outer side of the extension pipe 26 of the expandable template liquid inlet pipe 22 and the expandable template liquid outlet pipe 23 is provided with an outer limit ring 28. One end of the threaded cap 25 is sleeved on the outer limit ring 28 away from the main template 4. The other end of the threaded cap 25 is sleeved on the outside of the other end of the main template liquid outlet pipe 20 and the main template liquid inlet pipe 21 and is threadedly connected to the outside of the other end of the main template liquid outlet pipe 20 and the main template liquid inlet pipe 21, one end of the intermediate connecting pipe 24 is connected to the main template liquid outlet pipe 20, and the other end of the intermediate connecting pipe 24 is connected to the main template liquid inlet pipe 21, and the extension pipe 26 of the expandable template liquid inlet pipe 22 and the expandable template liquid outlet pipe 23 closes the two ends of the intermediate connecting pipe 24 in the installed state. When the reactive power compensation device is small, only the main template 4 is needed. At this time, the other ends of the main template liquid outlet pipe 20 and the main template liquid inlet pipe 21 on both sides of the main template 4 are sealed by threaded covers. When the reactive power compensation device is large, it is selected to add a single-sided expandable template 5 or a double-sided expandable template 5 according to actual needs. When installing, first drain the cooling medium in the main template 4, then remove the threaded covers at the other ends of the main template liquid outlet pipe 20 and the main template liquid inlet pipe 21, and insert the extension pipe 26 of the expandable template liquid inlet pipe 22 and the expandable template liquid outlet pipe 23 of the expandable template 5 into the other ends of the main template liquid outlet pipe 20 and the main template liquid inlet pipe 21, respectively, and then rotate the threaded cover 25 to complete the sealing and fixing. At this time, the extension pipe 26 closes the intermediate connecting pipe 24 originally circulating in the main template 4, and the cooling medium returns to the cooling channel of the main template 4 after passing through the cooling channel in the expandable template 5, forming a large cooling cycle.

[0029] Multiple fire nozzles 7 are dispersed in the main template 4 and the expandable template 5. The fire nozzle 7 adopts a Venturi nozzle to increase the spray flow rate and thus improve the fire fighting effect. The inner side of the main template 4 and the expandable template 5 is provided with a conical recess corresponding to each fire nozzle 7. The fire nozzle 7 is installed in the middle position of the conical recess. The actual spraying range of the fire nozzle 7 is ensured by the setting of the conical recess.

[0030] like Figure 5 As shown, the mechanical temperature response valve 8 comprises a valve housing 29, a valve plate 30, a valve stem 31, a pressure spring 32, a piston 33, a cover 34 and thermal expansion material particles 35. A main flow channel is arranged in the valve housing 29. A liquid inlet interface is arranged on the valve housing 29 at one end of the main flow channel, and a liquid outlet interface is arranged on the valve housing 29 at the other end of the main flow channel. A valve cavity is arranged in the middle of the main flow channel. The valve plate 30 is slidably arranged in the valve cavity and can slide in a direction perpendicular to the axial direction of the main flow channel. The valve plate 30 is opened in the middle to be connected to the main flow channel. The through hole matches the flow channel, the lower end of the valve stem 31 is fixedly connected to the upper end of the valve plate 30, the upper end of the valve stem 31 is fixedly connected to the lower side of the piston 33, the lower end of the cover 34 is sleeved on the upper end of the valve housing 29 and sealed and fixed to the valve housing 29, the piston 33 is slidably arranged on the inner wall of the cover 34 and can slide up and down in the cover 34 along the vertical direction, the pressure spring 32 is sleeved on the outer side of the valve stem 31 and is located between the lower side of the piston 33 and the upper end of the valve housing 29, and the thermal expansion material particles 35 are arranged in the inner cavity of the cover 34 on the upper side of the piston 33. The thermal expansion material particles 35 are expandable microspheres. Under normal conditions, the pressure spring 32 provides an upward elastic force for the piston 33 so that the piston 33 presses the thermal expansion material particles 35 in the housing 34. When the temperature of the reactive power compensation system is too high, the thermal expansion material particles 35 in the mechanical temperature response valve 8 at the corresponding position are heated and expanded. The temperature rise will cause the thermal expansion material particles 35 to continue to expand, thereby pushing the piston 33 to slide downward continuously, that is, driving the valve plate 30 to slide downward continuously along the valve cavity. When the temperature reaches the preset threshold, the valve plate 30 slides down to overlap the through hole with the main flow channel. At this time, the valve is turned on, and the liquid carbon dioxide cooling medium in the cooling flow channel 6 will be sprayed from the fire nozzle 7 to spray the reactive power compensation device at the corresponding position, so that it can quickly cool down and extinguish the fire, that is, it can prevent the natural risk of explosion of the device in the reactive power compensation system, and can also respond quickly to firefighting after the danger occurs. In addition, the mechanical power of particle expansion has a lower failure rate and is more reliable than electronic control such as temperature sensors, and does not require complex electrical control design, so the cost is lower.

[0031] The present invention provides a reactive power compensation system for an onshore wind power metering station with integrated cooling and fire-fighting functions. A cooling and fire-fighting integrated device consisting of an adjustable base and an expandable cooling and fire-fighting template is integrated on the outside of the reactive power compensation device. The size of the base can be adjusted according to the size of the reactive power compensation device through the adjustable base, and the adjustable base is easy to install, and can be quickly installed and disassembled without the aid of tools. The expandable cooling and fire-fighting template can be spliced ​​and expanded according to the size of the reactive power compensation device, and the switching interface can quickly realize the switching of cooling channels. In addition, the expandable cooling and fire-fighting template integrates the fire-fighting function. Through the mechanical temperature response valve, when the temperature of the reactive power compensation device is too high, the mechanical temperature response valve automatically opens to perform fire-fighting spraying on the corresponding high-temperature position of the reactive power compensation device. The structure is reliable and the fire-fighting response speed is fast.

[0032] The above is only a preferred embodiment of the present invention and does not limit the present invention in any form. Although the present invention has been disclosed as a preferred embodiment as above, it is not used to limit the present invention. Any technician familiar with this profession can make some changes or modify the technical contents disclosed above into equivalent embodiments without departing from the scope of the technical solution of the present invention. However, any simple modification, equivalent replacement and improvement made to the above embodiments without departing from the content of the technical solution of the present invention, based on the technical essence of the present invention, within the spirit and principles of the present invention, still fall within the protection scope of the technical solution of the present invention.

Claims

1. A reactive power compensation system for an onshore wind power metering station with integrated cooling and fire protection functions, characterized in that: It comprises a reactive power compensation device and a cooling fire fighting integrated device arranged outside the reactive power compensation device, the cooling fire fighting integrated device comprises an adjustable base and an expandable cooling fire fighting template, the adjustable base is sleeved outside the reactive power compensation device and arranged at the bottom of the reactive power compensation device, the expandable cooling fire fighting template is fixed on the upper side of the adjustable base and is located on the four sides of the reactive power compensation device, the expandable cooling fire fighting template comprises a main template and an expansion template, the main template is fixed at the upper end of the adjustable base, the expansion template is detachably connected to both sides of the main template through a switching interface, a cooling flow channel is arranged in the main template and the expandable template, a plurality of fire fighting nozzles are arranged in the main template and the expandable template, and each fire fighting nozzle is connected to the cooling flow channel through a mechanical temperature response valve; The adjustable base comprises a front base, a rear base, a left base and a right base, and the two ends of the front base, the rear base, the left base and the right base are connected in pairs to form a rectangular base frame matching the reactive compensation device and are sleeved on the bottom of the outer side of the reactive compensation device; the front base, the rear base, the left base and the right base respectively comprise a middle main body base and telescopic base rods on both sides, and telescopic holes matching the telescopic base rods on both sides are provided at both ends of the middle main body base, one end of the telescopic base rod is slidably arranged in the telescopic hole at one end of the middle main body base and can slide back and forth along the length direction of the middle main body base, and two parallel bolt slots are opened on the side surfaces of the two ends of the middle main body base, and screw holes are provided on the telescopic base rods on both sides corresponding to the positions of the two bolt slots, and the two bolts are respectively passed through the two bolt slots and locked and fixed in the screw holes of the telescopic base rod.

2. According to claim 1, a reactive power compensation system for a wind power onshore metering station with integrated cooling and fire protection functions is characterized in that: The two ends of the front base and the rear base are respectively provided with a sleeve, and the two ends of the left base and the right base are respectively inserted into the sleeves at the two ends of the front base and the rear base and are locked and fixed by a locking mechanism.

3. The reactive power compensation system for onshore wind power metering stations with integrated cooling and fire protection functions according to claim 2 is characterized in that: The locking mechanism comprises a wedge-shaped lock tongue, a return spring and a spring support rod, a cavity structure matching the return spring is arranged on the inner wall of the upper side surfaces at both ends of the left base and the right base, a limiting convex ring matching the cross-section of the cavity structure is arranged at the lower end of the wedge-shaped lock tongue, the wedge-shaped lock tongue is slidably arranged in the cavity structure through the limiting convex ring and can slide freely in the vertical direction, the spring support rod is vertically arranged and the upper end of the spring support rod is fixedly connected to the lower side of the wedge-shaped lock tongue, the return spring is sleeved on the outer side of the spring support rod and is located between the lower side surface of the wedge-shaped lock tongue and the bottom surface of the inner cavity of the cavity structure, a first lock hole matching the wedge-shaped lock tongue is opened on the upper side surfaces of the left base and the right base, and a second lock hole matching the wedge-shaped lock tongue is opened on the upper side of the sleeve of the front base and the rear base corresponding to the first lock hole position.

4. The reactive power compensation system for onshore wind power metering stations with integrated cooling and fire protection functions according to claim 1 is characterized in that: The cooling channels in the main template and the expandable template are coiled in an S shape, liquid carbon dioxide is used as a refrigerant in the cooling channel, and the liquid inlet and outlet of the main template are arranged together.

5. The reactive power compensation system for onshore wind power metering stations with integrated cooling and fire protection functions according to claim 4 is characterized in that: The switching interface comprises a main template liquid outlet pipe, a main template liquid inlet pipe, an expandable template liquid inlet pipe, an expandable template liquid outlet pipe, an intermediate connecting pipe and a threaded cap; the cooling channel in the main template is located on the sides of the main template and is disconnected from the middle to form a first fracture and a second fracture; the first fracture is connected to one end of the main template liquid outlet pipe, and the other end of the main template liquid outlet pipe is fixed to the side of the main template; the second fracture is connected to one end of the main template liquid inlet pipe, and the other end of the main template liquid inlet pipe is fixed to the side of the main template; the cooling channel in the expandable template is located on one side of the expandable template and is disconnected from the middle to form a third fracture and a fourth fracture; the third fracture is connected to one end of the expandable template liquid inlet pipe, and the other end of the expandable template liquid inlet pipe is fixed to the side of the expandable template; the fourth fracture is connected to one end of the expandable template liquid outlet pipe, and the other end of the expandable template liquid outlet pipe is fixed to the expandable On the side of the expansion template, the other end of the expandable template liquid inlet pipe and the expandable template liquid outlet pipe has an extension pipe extending out of the outside of the expandable template, the outer diameter of the extension pipe matches the inner diameter of the main template liquid outlet pipe and the main template liquid inlet pipe, the main template liquid outlet pipe and the main template liquid inlet pipe are provided with an inner limiting ring, the expandable template liquid inlet pipe and the extension pipe of the expandable template liquid outlet pipe are provided with an outer limiting ring on the outside of the extension pipe on the side of the outer limiting ring away from the main template, the other end of the threaded cap is sleeved on the outside of the main template liquid outlet pipe and the other end of the main template liquid inlet pipe and is threadedly connected to the outside of the main template liquid outlet pipe and the other end of the main template liquid inlet pipe, one end of the intermediate connecting pipe is connected to the main template liquid outlet pipe, and the other end of the intermediate connecting pipe is connected to the main template liquid inlet pipe, and the extension pipes of the expandable template liquid inlet pipe and the expandable template liquid outlet pipe close the two ends of the intermediate connecting pipe when installed.

6. The reactive power compensation system for onshore wind power metering stations with integrated cooling and fire protection functions according to claim 1 is characterized in that: The multiple fire-fighting nozzles are dispersed in the main template and the expandable template. The fire-fighting nozzles are Venturi nozzles. Conical recesses are arranged on the inner sides of the main template and the expandable template corresponding to each fire-fighting nozzle. The fire-fighting nozzles are installed in the middle position of the conical recesses.

7. The reactive power compensation system for onshore wind power metering stations with integrated cooling and fire protection functions according to claim 1 is characterized in that: The mechanical temperature response valve comprises a valve housing, a valve plate, a valve stem, a pressure spring, a piston, a cover and thermal expansion material particles. A main flow channel is arranged in the valve housing, a liquid inlet interface is arranged on the valve housing at one end of the main flow channel, a liquid outlet interface is arranged on the valve housing at the other end of the main flow channel, a valve cavity is arranged in the middle of the main flow channel, the valve plate is slidingly arranged in the valve cavity and can slide in a direction perpendicular to the axial direction of the main flow channel, a through hole matching the main flow channel is opened in the middle of the valve plate, the lower end of the valve stem is fixedly connected to the upper end of the valve plate, the upper end of the valve stem is fixedly connected to the lower side of the piston, the lower end of the cover is sleeved on the upper end of the valve housing and sealed and fixed to the valve housing, the piston is slidingly arranged on the inner wall of the cover and can slide up and down in the cover in a vertical direction, the pressure spring is sleeved on the outside of the valve stem and is located between the lower side of the piston and the upper end of the valve housing, and the thermal expansion material particles are arranged in the inner cavity of the cover on the upper side of the piston.

8. The reactive power compensation system for onshore wind power metering stations with integrated cooling and fire protection functions according to claim 7 is characterized in that: The thermal expansion material particles are expandable microspheres.

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