Integrated hydrogen production rectification power supply

Abstract

The utility model discloses an integrated hydrogen production rectification power supply, which relates to the technical field of rectification power supplies and comprises a base, a rectification cabinet, a rectification transformer, an oil-water cooler and a cooling tower. An oil tank is arranged in the rectifier transformer, a first oil inlet and a first oil outlet which are communicated with the oil tank are formed in the rectifier transformer, an oil way channel and a water way channel which can exchange heat are arranged in the oil-water cooler, and the oil tank is communicated with the oil way channel to form a circulating oil way, so that cooling oil is cooled through cooling water; and a first heat dissipation channel is arranged in the cooling tower, and the first heat dissipation channel communicates with the water channel to form a first circulating water channel, so that cooling water is cooled through the cooling tower. And the cooling tower dissipates heat of the rectifier transformer through the oil-water cooler and can also perform water-cooling heat dissipation on the rectifier cabinet, so that the heat dissipation effect is good. The rectifier cabinet and the rectifier transformer are of a direct connection structure, the structure is compact, on-site overall rapid deployment is facilitated, energy loss is low, and therefore the system efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to rectifier power supply technical field especially relates to an integrated hydrogen production rectifier power supply. BACKGROUND

[0002] The existing integrated hydrogen production rectifier power supply usually adopts the air cooling heat dissipation mode to dissipate heat. Mainly through installing the heat dissipation fan in the integrated hydrogen production rectifier power supply, the heat generated during the operation of the equipment is blown to the air to achieve the purpose of reducing the temperature of the equipment. However, the efficiency of air cooling heat dissipation is greatly affected by the environmental temperature and the air flow speed. In high temperature environment, the heat dissipation effect will decrease significantly, and it is difficult to meet the heat dissipation demand of the integrated hydrogen production rectifier power supply in high load operation. In addition, the heat dissipation fan will produce a large noise when running at high speed, which affects the comfort of the working environment. SUMMARY

[0003] The main purpose of the utility model is to provide an integrated hydrogen production rectifier power supply, which aims to solve the technical problems of the existing technology that the heat dissipation effect of air cooling heat dissipation is greatly affected by the environment and the noise is large.

[0004] To achieve the above-mentioned purpose, the utility model provides an integrated hydrogen production rectifier power supply, which comprises a base, a rectifier cabinet, a rectifier transformer, an oil-water cooler and a cooling tower which are arranged on the base in a spaced manner. An oil tank for containing heat dissipation oil is arranged in the rectifier transformer. The rectifier transformer is provided with a first oil inlet and a first oil outlet which are communicated with the oil tank. The oil-water cooler is provided with an oil passage and a water passage which are independent of each other and can exchange heat. The oil-water cooler is provided with a second oil inlet and a second oil outlet which are communicated with the oil passage, and a first water inlet and a first water outlet which are communicated with the water passage. The second oil inlet is communicated with the first oil outlet, and the second oil outlet is communicated with the first oil inlet, so as to form a circulating oil passage by connecting the oil tank and the oil passage. The cooling tower is provided with a first heat dissipation passage. The cooling tower is provided with a second water inlet and a second water outlet which are communicated with the first heat dissipation passage. The second water inlet is communicated with the first water outlet, and the second water outlet is communicated with the first water inlet, so as to form a first circulating water passage by connecting the first heat dissipation passage and the water passage.

[0005] In an embodiment, the oil-water cooler is a tube bank oil-water cooler, which comprises a heat exchange tube. The water passage is formed in the heat exchange tube, and the oil passage is formed outside the heat exchange tube. The second oil inlet and the second oil outlet are arranged at the top and the bottom of the tube bank oil-water cooler, respectively. The first water inlet and the first water outlet are arranged at the bottom and the top of the tube bank oil-water cooler, respectively.

[0006] In an embodiment, the cooling tower is a counter-flow closed cooling tower, which comprises a water tank and an air duct enclosed in the water tank, the top and bottom of the water tank form the air outlet and air inlet of the air duct respectively, and the second water inlet and the second water outlet are respectively arranged on the top and bottom of the side wall of the water tank.

[0007] In an embodiment, the air inlet is provided with louvers, and the air outlet is provided with an exhaust fan.

[0008] In an embodiment, the rectifier transformer is located between the rectifier cabinet and the oil-water cooler, and the high-voltage bushing and the low-voltage bushing are arranged on the two sides of the rectifier transformer respectively, and the low-voltage bushing is connected to the busbar in the rectifier cabinet through a bus.

[0009] In an embodiment, the busbar is a water-cooled busbar, which is provided with a cooling water channel, and is provided with a third water inlet and a third water outlet which are both connected to the cooling water channel; the cooling tower is further provided with a second heat dissipation channel which is arranged separately from the first heat dissipation channel, and the cooling tower is provided with a fourth water inlet and a fourth water outlet which are both connected to the second heat dissipation channel, the fourth water inlet is connected to the third water outlet, and the fourth water outlet is connected to the third water inlet, so as to connect the cooling water channel and the second heat dissipation channel to form a second circulating water circuit.

[0010] In an embodiment, the low-voltage bushing comprises a plurality of positive low-voltage bushings and a plurality of negative low-voltage bushings, and the water-cooled busbar comprises a plurality of positive water-cooled busbars and a plurality of negative water-cooled busbars, each of the positive water-cooled busbars is arranged correspondingly to at least one of the positive low-voltage bushings, each of the positive low-voltage bushings is connected to the corresponding positive water-cooled busbar through one of the busbars, each of the negative water-cooled busbars is arranged correspondingly to at least one of the negative low-voltage bushings, and each of the negative low-voltage bushings is connected to the corresponding negative water-cooled busbar through another one of the busbars; a plurality of the positive water-cooled busbars are connected to a positive busbar, and a plurality of the negative water-cooled busbars are connected to a negative busbar.

[0011] In an embodiment, each of the busbars is provided with a thyristor.

[0012] In an embodiment, the high-voltage bushing and the low-voltage bushing are respectively covered with a high-voltage protective cover and a low-voltage protective cover.

[0013] In an embodiment, the oil passage is provided with an oil pump, an oil temperature gauge and an oil flow meter, and the water passage is provided with a water pump, a cooling water temperature gauge and a cooling water flow meter.

[0014] The integrated hydrogen production rectifier power supply provided by the utility model is characterized in that the rectifier cabinet, the rectifier transformer, the oil-water cooler and the cooling tower are arranged at intervals on the base, the oil passage of the oil-water cooler and the oil tank of the rectifier transformer are in communication with each other, the heat dissipation oil in the oil tank flows into the oil passage, and the heat dissipation oil and the cooling water in the water passage in the oil-water cooler exchange heat, so that the cooling water is used to cool the heat dissipation oil. The water passage of the oil-water cooler and the water passage of the cooling tower are in communication with each other, so that the cooling water is used to cool the heat dissipation oil indirectly through the cooling tower. The heat dissipation oil circulates in the circulating oil passage, and the cooling water circulates in the circulating water passage, so that the heat exchange process in the oil-water cooler is ensured to continue, the cooling effect of the cooling water is used efficiently, the cooling effect is good, and the heat dissipation demand of the rectifier transformer is effectively ensured. By adjusting the flow speed of the cooling water and the cooling speed of the cooling tower, the heat exchange efficiency between the cooling water and the heat dissipation oil can be adjusted, the influence of the environmental temperature is small, different heat dissipation demands are adapted to, and the integrated hydrogen production rectifier power supply is ensured to always operate stably at a suitable temperature in different environments. In addition, the operation noise of the oil-water cooler and the cooling tower is small, the operation of the integrated hydrogen production rectifier power supply is more quiet, and the comfort of the working environment is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to the structure shown in these drawings without creative labor.

[0016] Figure 1 It is a side view structural schematic diagram of an embodiment of the integrated hydrogen production rectifier power supply provided by the utility model.

[0017] Figure 2 It is a top view structural schematic diagram of an embodiment of the integrated hydrogen production rectifier power supply provided by the utility model.

[0018] EXPLANATION OF DRAWINGS:

[0019] 10, base; 20, rectifier cabinet; 21, busbar; 22, third water inlet; 23, third water outlet; 24, busbar; 25, thyristor; 30, rectifier transformer; 31, oil tank; 32, first oil inlet; 33, first oil outlet; 34, high-voltage bushing; 35, low-voltage bushing; 36, high-voltage protective cover; 37, low-voltage protective cover; 40, oil-water cooler; 41, second oil inlet; 42, second oil outlet; 43, first water inlet; 44, first water outlet; 50, cooling tower; 51, second water inlet; 52, second water outlet; 53, fourth water inlet; 54, fourth water outlet; 55, louver; 56, exhaust fan.

[0020] The realization, functional features and advantages of the utility model will be further described in combination with embodiments with reference to the drawings. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0022] It should be noted that if the embodiments of the utility model involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative position relationship, movement condition, etc. between the components in a certain posture, and if the certain posture changes, the directional indications also change accordingly.

[0023] In addition, if the embodiments of the utility model involve descriptions of "first", "second", etc., the descriptions of "first", "second", etc. are only for description purposes, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include at least one of the features. In addition, "and / or" or "and / or" appearing throughout the text means that the three parallel schemes are included, taking "A and / or B" as an example, including A scheme, or B scheme, or A and B scheme. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of the ordinary skill in the art, and when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the protection scope required by the utility model.

[0024] The existing integrated hydrogen production rectifier power supply usually adopts a wind cooling heat dissipation mode for heat dissipation. Mainly by installing a cooling fan inside the integrated hydrogen production rectifier power supply, the heat generated during the operation of the equipment is blown into the air to reduce the temperature of the equipment. However, the efficiency of the air cooling heat dissipation is greatly affected by the ambient temperature and the air flow speed. In a high-temperature environment, the heat dissipation effect will decrease significantly, and it is difficult to meet the heat dissipation requirements of the integrated hydrogen production rectifier power supply under high load operation. In addition, the high-speed operation of the cooling fan will generate a lot of noise, affecting the comfort of the working environment.

[0025] The utility model provides a kind of integrated hydrogen production rectifier power supply, including base 10 and the rectifier cabinet 20 being spaced apartly arranged on base 10, rectifier transformer 30, oil-water cooler 40 and cooling tower 50;Rectifier transformer 30 is provided with oil tank 31 for containing heat dissipation oil, rectifier transformer 30 is provided with the first oil inlet 32 and the first oil outlet 33 for communicating oil tank 31 respectively, oil-water cooler 40 is provided with oil passage and water passage that are independent and can exchange heat, oil-water cooler 40 is provided with the second oil inlet 41 and the second oil outlet 42 that are all communicated in oil passage, and oil-water cooler 40 is also provided with the first water inlet 43 and the first water outlet 44 that are all communicated in water passage, second oil inlet 41 is communicated in the first oil outlet 33, second oil outlet 42 is communicated in the first oil inlet 32, to form circulating oil passage with oil tank 31 and oil passage;Cooling tower 50 is provided with the first heat dissipation passage, cooling tower 50 is provided with the second water inlet 51 and the second water outlet 52 that are all communicated in the first heat dissipation passage, second water inlet 51 is communicated in the first water outlet 44, and second water outlet 52 is communicated in the first water inlet 43, to form first circulating water passage with the first heat dissipation passage and water passage.

[0026] Please refer to Figure 1 And Figure 2, the rectifier cabinet 20, the rectifier transformer 30, the oil-water cooler 40 and the cooling tower 50 are sequentially and spacedly arranged, the oil passage of the oil-water cooler 40 and the oil tank 31 of the rectifier transformer 30 are communicated through two pipes, and the water passage of the cooling tower 50 and the water passage of the oil-water cooler 40 are also communicated through two pipes. When the rectifier transformer 30 works, the temperature of the heat dissipation oil in the oil tank 31 rises, the heat dissipation oil flows out of the oil tank 31 from the first oil outlet 33 and flows into the oil passage through the second oil inlet 41, the heat dissipation oil in the oil passage exchanges heat with the cooling water in the water passage, so that the heat dissipation oil in the oil passage is cooled by the cooling water in the water passage, and the temperature of the heat dissipation oil is reduced and then the heat dissipation oil flows out of the oil passage through the second oil outlet 42 and flows into the oil tank 31 through the first oil inlet 32. The heat dissipation oil circulates between the oil tank 31 and the oil passage, forming a circulating oil passage. After the temperature of the cooling water in the water passage rises, the cooling water flows out of the water passage through the first water outlet 44 and flows into the first heat dissipation passage through the second water inlet 51, and the cooling tower 50 can cool the cooling water in the first heat dissipation passage, and the cooling water flows out of the first heat dissipation passage through the second water outlet 52 and flows into the water passage through the first water inlet 43. The cooling water circulates between the water passage and the first heat dissipation passage, forming a circulating water passage.

[0027] The integrated hydrogen production rectifier power supply is characterized in that the rectifier cabinet 20, the rectifier transformer 30, the oil-water cooler 40 and the cooling tower 50 are sequentially and spacedly arranged on the base 10, the oil passage of the oil-water cooler 40 and the oil tank 31 of the rectifier transformer 30 are communicated, the heat dissipation oil in the oil tank 31 flows into the oil passage and exchanges heat with the cooling water in the water passage in the oil-water cooler 40, so that the heat dissipation oil is cooled by the cooling water. The water passage of the oil-water cooler 40 and the water passage of the cooling tower 50 are communicated, so that the cooling tower 50 cools the cooling water, thereby indirectly cooling the heat dissipation oil. The heat dissipation oil circulates in the circulating oil passage, and the cooling water circulates in the circulating water passage, so that the heat exchange process in the oil-water cooler 40 is continuously carried out, the cooling effect of the cooling water is efficiently utilized, the cooling effect is good, and the cooling demand of the rectifier transformer 30 is effectively guaranteed. By adjusting the flow speed of the cooling water and the cooling speed of the cooling tower 50, the heat exchange efficiency between the cooling water and the heat dissipation oil can be adjusted, the influence of the environmental temperature is small, different cooling demands can be adapted to, and the integrated hydrogen production rectifier power supply can always be stably operated at a suitable temperature in different environments. In addition, the operation noise of the oil-water cooler 40 and the cooling tower 50 is small, the operation of the integrated hydrogen production rectifier power supply is more quiet, and the comfort of the working environment is improved.

[0028] In an embodiment, the oil-water cooler 40 is a shell-and-tube oil-water cooler 40, which comprises heat exchange tubes, water channels are formed inside the heat exchange tubes, oil channels are formed outside the heat exchange tubes, the second oil inlet 41 and the second oil outlet 42 are respectively arranged at the top and the bottom of the shell-and-tube oil-water cooler 40, and the first water inlet 43 and the first water outlet 44 are respectively arranged at the bottom and the top of the shell-and-tube oil-water cooler 40.

[0029] It can be explained that the heat exchange tubes of the shell-and-tube oil-water cooler 40 form water channels inside and oil channels outside, the heat dissipation oil flows in the oil channels, the cooling water flows in the water channels, and the heat dissipation oil and the cooling water exchange heat through the heat exchange tubes. The second oil inlet 41 is arranged at the top of the shell-and-tube oil-water cooler 40, the heat dissipation oil flows into the oil channels from the second oil inlet 41, flows downward to the bottom of the shell-and-tube oil-water cooler 40, and then flows out from the second oil outlet 42; the cooling water flows into the water channels from the first water inlet 43, flows upward to the top of the shell-and-tube oil-water cooler 40, and then flows out from the first water outlet 44, so that the flow paths of the heat dissipation oil and the cooling water in the shell-and-tube oil-water cooler 40 are long, the heat exchange area and time are increased, and the heat exchange efficiency is improved. At the same time, the heat dissipation oil enters from the top and is discharged from the bottom, and the cooling water enters from the bottom and is discharged from the top, so that the flow directions of the heat dissipation oil and the cooling water in the shell-and-tube oil-water cooler 40 are opposite, and the heat exchange effect is further improved. The shell-and-tube oil-water cooler 40 adopts the shell-and-tube oil-water cooler 40 in the prior art, which has simple structure, low manufacturing cost, easy maintenance and repair, and good economy and practicability.

[0030] In an embodiment, the cooling tower 50 is a counter-flow closed cooling tower 50, which comprises a water tank and an air duct arranged in the water tank, the top and the bottom of the water tank form the air outlet and the air inlet of the air duct respectively, and the second water inlet 51 and the second water outlet 52 are respectively arranged at the top and the bottom of the side wall of the water tank.

[0031] It can be explained that the water tank of the counter-flow closed cooling tower 50 is used to contain cooling water, and the air duct is arranged in the water tank, and air flows in the air duct. The cooling water enters the water tank from the second water inlet 51, undergoes a cooling process in the water tank, and then flows out from the second water outlet 52. The air enters from the air inlet of the air duct, undergoes a heat exchange process in the air duct, and then is discharged from the air outlet of the air duct, so that the cooling water and the air flow in the counter-flow closed cooling tower 50 in opposite directions, and the heat exchange efficiency is improved. At the same time, the arrangement of the water tank and the air duct makes the flow path of the cooling water in the counter-flow closed cooling tower 50 more reasonable, improves the cooling effect, and thus improves the heat dissipation effect of the whole system. The counter-flow closed cooling tower 50 adopts the counter-flow closed cooling tower 50 in the prior art, which has simple structure, low manufacturing cost, easy maintenance and repair, and good economy and practicability.

[0032] In an embodiment, the air inlet is provided with louvers 55, and the air outlet is provided with an exhaust fan 56.

[0033] Further, referring to Figure 2 , the air inlet of the cooling tower 50 is provided with louvers 55, which can effectively filter impurities in the air and prevent impurities from entering the inside of the cooling tower 50, thereby avoiding damage to or affecting the normal operation of the components inside the cooling tower 50. In addition, the louvers 55 can also play a certain flow guiding role, making the air entering the cooling tower 50 more evenly distributed, improving the cooling efficiency. The air outlet of the cooling tower 50 is provided with an exhaust fan 56, which can enhance the air flow inside the cooling tower 50 and quickly exhaust the hot air inside the cooling tower 50, thereby improving the cooling effect.

[0034] In an embodiment, the rectifier transformer 30 is located between the rectifier cabinet 20 and the oil-water cooler 40, and the rectifier transformer 30 is provided with a high-voltage bushing 34 and a low-voltage bushing 35 on both sides, and the low-voltage bushing 35 is connected to the busbar 21 in the rectifier cabinet 20 through the busbar 24.

[0035] It should be noted that the rectifier transformer 30 is located between the rectifier cabinet 20 and the oil-water cooler 40, and the rectifier cabinet 20 and the rectifier transformer 30 adopt a direct connection structure to reduce the use of conductors, making the connection between the rectifier transformer 30 and the rectifier cabinet 20 and the oil-water cooler 40 more compact, reducing the length of the line and reducing energy loss. The rectifier transformer 30 is provided with a high-voltage bushing 34 and a low-voltage bushing 35 on both sides, the high-voltage bushing 34 is used to connect the high-voltage power supply, and the low-voltage bushing 35 is used to connect the low-voltage load. The low-voltage bushing 35 is connected to the busbar 21 in the rectifier cabinet 20 through the busbar 24, and the busbar 24 serves as a conductor connecting the low-voltage bushing 35 and the busbar 21, which can effectively transmit electric energy and ensure the stability and reliability of the electric energy transmission between the rectifier transformer 30 and the rectifier cabinet 20.

[0036] In an embodiment, the busbar 21 is a water-cooled busbar 21, which is provided with a cooling water channel, and the water-cooled busbar 21 is provided with a third water inlet 22 and a third water outlet 23 which are both connected to the cooling water channel; the cooling tower 50 is further provided with a second heat dissipation channel which is spaced apart from the first heat dissipation channel, and the cooling tower 50 is provided with a fourth water inlet 53 and a fourth water outlet 54 which are both connected to the second heat dissipation channel, the fourth water inlet 53 is connected to the third water outlet 23, and the fourth water outlet 54 is connected to the third water inlet 22, so as to connect the cooling water channel and the second heat dissipation channel to form a second circulating water circuit.

[0037] Further, the busbar 21 is a water-cooled busbar 21 in the prior art, a cooling water channel arranged in the water-cooled busbar 21 is used to accommodate cooling water, and the cooling water flows in the cooling water channel to cool the water-cooled busbar 21. The third water inlet 22 and the third water outlet 23 opened on the water-cooled busbar 21 are both in communication with the cooling water channel, the cooling water enters the cooling water channel from the third water inlet 22, flows in the cooling water channel, and then flows out from the third water outlet 23. The second heat dissipation channel in the cooling tower 50 is arranged in a spaced-apart manner with the first heat dissipation channel, and is used to dissipate heat of the cooling water. The fourth water inlet 53 and the fourth water outlet 54 opened on the cooling tower 50 are both in communication with the second heat dissipation channel, the fourth water inlet 53 is in communication with the third water outlet 23, so that the cooling water flowing out from the third water outlet 23 can enter the second heat dissipation channel; the cooling water is cooled in the second heat dissipation channel, flows out from the fourth water outlet 54, and then enters the cooling water channel of the water-cooled busbar 21 again through the communication with the third water inlet 22, so as to form a second circulating water path. The cooling tower 50 can simultaneously dissipate heat of the cooling water in the first circulating water path and the second circulating water path, thereby indirectly dissipating heat of the rectifier cabinet 20 and the rectifier transformer 30, improving the utilization efficiency of the cooling tower 50, and improving the heat dissipation effect of the integrated hydrogen production rectification power supply.

[0038] In an embodiment, the low-voltage bushings 35 include a plurality of positive low-voltage bushings 35 and a plurality of negative low-voltage bushings 35, and the water-cooled busbars 21 include a plurality of positive water-cooled busbars 21 and a plurality of negative water-cooled busbars 21. Each positive water-cooled busbar 21 is arranged in correspondence with at least one positive low-voltage bushing 35, and each positive low-voltage bushing 35 is connected to the corresponding positive water-cooled busbar 21 through a busbar 24. Each negative water-cooled busbar 21 is arranged in correspondence with at least one negative low-voltage bushing 35, and each negative low-voltage bushing 35 is connected to the corresponding negative water-cooled busbar 21 through another busbar 24. The plurality of positive water-cooled busbars 21 are connected to a positive busbar 24, and the plurality of negative water-cooled busbars 21 are connected to a negative busbar 24.

[0039] It should be noted that the low-voltage sleeve 35 includes a plurality of positive low-voltage sleeves 35 and a plurality of negative low-voltage sleeves 35 for transmitting positive and negative low-voltage power, respectively. The water-cooled busbar 21 includes a plurality of positive water-cooled busbars 21 and a plurality of negative water-cooled busbars 21, each positive water-cooled busbar 21 being correspondingly arranged with at least one positive low-voltage sleeve 35 to ensure effective transmission and cooling of positive power; each positive low-voltage sleeve 35 is connected to the corresponding positive water-cooled busbar 21 through a busbar 24 to realize stable transmission of positive power. Similarly, each negative water-cooled busbar 21 is correspondingly arranged with at least one negative low-voltage sleeve 35 to ensure effective transmission and cooling of negative power; each negative low-voltage sleeve 35 is connected to the corresponding negative water-cooled busbar 21 through another busbar 24 to realize stable transmission of negative power. The plurality of positive water-cooled busbars 21 are connected to a positive busbar 24, and the positive busbar 24 is output to the positive output end, facilitating centralized management and distribution of positive power; the plurality of negative water-cooled busbars 21 are connected to a negative busbar 24, and the negative busbar 24 is output to the negative output end, facilitating centralized management and distribution of negative power. This arrangement makes the transmission of positive and negative power more orderly and efficient, and at the same time, through the cooling effect of the water-cooled busbar 21, the stability and safety of the power transmission process are ensured.

[0040] In an embodiment, the valve side lead conductor of the rectifier transformer 30 is located at the short axis side, and 1 group, 2 groups, 3 groups, 4 groups or more leads are led out from the short axis side top cover and side wall of the rectifier transformer 30, each group having 3 phases to realize 6-pulse, 12-pulse, 18-pulse, 24-pulse or more pulse rectifier structure. The rectifier cabinet 20 is designed to match the rectifier transformer 30, and adopts 2 rows and 2 columns of half-bridge arms or multi-row and multi-column half-bridge arm rectification to match the valve side lead of the rectifier transformer 30, so as to realize 6-pulse, 12-pulse, 18-pulse, 24-pulse or more pulse rectifier topology structure.

[0041] In an embodiment, each busbar 24 is provided with a thyristor 25.

[0042] It can be explained that the thyristor 25 arranged on each busbar 24 is used to control the current flowing on the busbar 24, realizing the switching and regulation of power. The controllability of the thyristor 25 makes the current on the busbar 24 accurately controlled according to actual needs, thereby realizing the stability and reliability improvement of the whole power system. By arranging the thyristor 25 on the busbar 24, the current size and flow direction on the busbar 24 can be effectively controlled, ensuring the normal operation of the power system. In addition, the fast response characteristic of the thyristor 25 makes the current on the busbar 24 quickly switched in a short time, further improving the dynamic performance and response speed of the power system

[0043] In an embodiment, the high-voltage sleeve 34 and the low-voltage sleeve 35 are respectively covered with a high-voltage protective cover 36 and a low-voltage protective cover 37.

[0044] Understandably, by setting high pressure shield 36 and low pressure shield 37 outside high pressure sleeve 34 and low pressure sleeve 35 respectively, the safety and reliability of the equipment can be effectively improved. The shield can prevent the sleeve from being disturbed and damaged by external factors, and ensure the normal operation of the sleeve. At the same time, the shield can also prevent dust, moisture and other things from entering the inside of the sleeve, further improving the stability and service life of the equipment. The setting of high pressure sleeve 34 and low pressure sleeve 35 enables the integrated hydrogen production rectifier power supply proposed by the utility model to realize armored design, and the whole set of equipment has no exposed live conductor, ensuring safety and reliability. In the field, only power supply, load and cooling water need to be connected, reducing construction workload and realizing rapid deployment of the equipment.

[0045] In an embodiment, an oil pump, an oil temperature gauge and an oil flow meter are arranged in the oil passage, and a water pump, cooling water temperature gauge and cooling water flow meter are arranged in the water passage.

[0046] It can be explained that the oil pump arranged in the oil passage is used to drive the circulating flow of the heat dissipation oil in the oil passage, ensuring that the heat dissipation oil can uniformly exchange heat with the heat exchange pipe. The oil temperature gauge is used to monitor the temperature of the heat dissipation oil in the oil passage in real time, so as to timely understand the heat dissipation effect of the heat dissipation oil. The oil flow meter is used to measure the flow of the heat dissipation oil in the oil passage, ensuring that the circulating flow of the heat dissipation oil meets the design requirements. The water pump arranged in the water passage is used to drive the circulating flow of the cooling water in the water passage, ensuring that the cooling water can uniformly exchange heat with the heat exchange pipe. The cooling water temperature gauge is used to monitor the temperature of the cooling water in the water passage in real time, so as to timely understand the heat dissipation effect of the cooling water. The cooling water flow meter is used to measure the flow of the cooling water in the water passage, ensuring that the circulating flow of the cooling water meets the design requirements. The arrangement of these devices can effectively improve the heat exchange efficiency of the oil-water cooler 40 and the stability of the system.

[0047] It can be explained that the oil pump and the water pump are both liquid pumps in the prior art, the oil temperature gauge and the cooling water temperature gauge are both liquid temperature gauges in the prior art, and the oil flow meter and the cooling water flow meter are both liquid flow meters in the prior art.

[0048] The above is only an exemplary embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structural transformation made by using the utility model specification and drawings, or direct / indirect application in other related technical fields is included in the patent protection range of the utility model.

Claims

1. An integrated hydrogen generating rectifier power supply, characterized by, The rectifier cabinet, the rectifier transformer, the oil-water cooler and the cooling tower are arranged on the base in a spaced manner; The oil tank is arranged in the rectifier transformer for containing heat dissipation oil, the rectifier transformer is respectively provided with a first oil inlet and a first oil outlet which are communicated with the oil tank, the oil-water cooler is provided with an oil passage and a water passage which are independent and can exchange heat, the oil-water cooler is provided with a second oil inlet and a second oil outlet which are communicated with the oil passage, and the oil-water cooler is provided with a first water inlet and a first water outlet which are communicated with the water passage, the second oil inlet is communicated with the first oil outlet, the second oil outlet is communicated with the first oil inlet, and the oil tank and the oil passage are communicated to form a circulating oil passage. The cooling tower is provided with a first heat dissipation passage, the cooling tower is provided with a second water inlet and a second water outlet which are communicated with the first heat dissipation passage, the second water inlet is communicated with the first water outlet, the second water outlet is communicated with the first water inlet, and the first heat dissipation passage and the water passage are communicated to form a first circulating water passage.

2. The integrated hydrogen generating and rectifier power supply of claim 1, wherein, The oil-water cooler is a column tube type oil-water cooler, the column tube type oil-water cooler comprises heat exchange tubes, the water passage is formed in the heat exchange tubes, the oil passage is formed outside the heat exchange tubes, the second oil inlet and the second oil outlet are arranged at the top and the bottom of the column tube type oil-water cooler respectively, and the first water inlet and the first water outlet are arranged at the bottom and the top of the column tube type oil-water cooler respectively.

3. The integrated hydrogen generating and rectifier power supply of claim 1, wherein, The cooling tower is a counterflow closed cooling tower, the counterflow closed cooling tower comprises a water tank and an air duct which is arranged in the water tank, the top and the bottom of the water tank form an air outlet and an air inlet of the air duct respectively, and the second water inlet and the second water outlet are arranged at the top and the bottom of the side wall of the water tank respectively.

4. The integrated hydrogen generating and rectifier power supply of claim 3, wherein, The air inlet is provided with a louver, and the air outlet is provided with an exhaust fan.

5. The integrated hydrogen generating and rectifier power supply of any one of claims 1 to 4, wherein, The rectifier transformer is located between the rectifier cabinet and the oil-water cooler, high-voltage bushings and low-voltage bushings are arranged on the two sides of the rectifier transformer respectively, and the low-voltage bushings are connected to a busbar in the rectifier cabinet through a bus.

6. The integrated hydrogen generating and rectifier power supply of claim 5, wherein, The busbar is a water-cooled busbar, the water-cooled busbar is provided with a cooling water channel, and the water-cooled busbar is provided with a third water inlet and a third water outlet which are communicated with the cooling water channel; The cooling tower is further provided with a second heat dissipation passage, the second heat dissipation passage is arranged in a spaced manner with the first heat dissipation passage, the cooling tower is provided with a fourth water inlet and a fourth water outlet which are communicated with the second heat dissipation passage, the fourth water inlet is communicated with the third water outlet, the fourth water outlet is communicated with the third water inlet, and the cooling water channel and the second heat dissipation passage are communicated to form a second circulating water passage.

7. The integrated hydrogen generating and rectifier power supply of claim 6, wherein, The low-voltage bushings include a plurality of positive low-voltage bushings and a plurality of negative low-voltage bushings, and the water-cooled busbars include a plurality of positive water-cooled busbars and a plurality of negative water-cooled busbars, each of the positive water-cooled busbars is arranged in correspondence with at least one of the positive low-voltage bushings, each of the positive low-voltage bushings is connected to the corresponding positive water-cooled busbar through one of the busbars, each of the negative water-cooled busbars is arranged in correspondence with at least one of the negative low-voltage bushings, and each of the negative low-voltage bushings is connected to the corresponding negative water-cooled busbar through another one of the busbars; The plurality of positive water-cooled busbars are connected to a positive busbar, and the plurality of negative water-cooled busbars are connected to a negative busbar.

8. The integrated hydrogen generating and rectifier power supply of claim 7, wherein, Each of the busbars is provided with a thyristor.

9. The integrated hydrogen generating and rectifier power supply of claim 5, wherein, The high-voltage bushings and the low-voltage bushings are respectively covered with high-voltage protective covers and low-voltage protective covers.

10. The integrated hydrogen generating and rectifier power supply of any one of claims 1 to 4, wherein, The oil passage is provided with an oil pump, an oil temperature meter and an oil flow meter, and the water passage is provided with a water pump, a cooling water temperature meter and a cooling water flow meter.

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