CN215956282U

CN215956282U - Box type rectification power supply device for electrolytic hydrogen production

Info

Publication number: CN215956282U
Application number: CN202122360843.0U
Authority: CN
Inventors: 魏蔓; 崔敬东; 吴加坤; 安东; 刘基涛; 邱建
Original assignee: Dongfang Electric Automatic Control Engineering Co ltd
Current assignee: Dongfang Electric Automatic Control Engineering Co ltd
Priority date: 2021-09-28
Filing date: 2021-09-28
Publication date: 2022-03-04
Anticipated expiration: 2031-09-28

Abstract

The utility model relates to the technical field of rectifier power supplies, in particular to a box type rectifier power supply device for hydrogen production by electrolysis, which comprises a container, wherein a transformer and a rectifier mechanism are distributed in the container; the rectification mechanism comprises at least one rectification unit, and the rectification unit comprises cabinet type rectification equipment, cabinet type switch equipment and cabinet type adjusting equipment; an air outlet I and an air inlet I are formed in the cabinet type rectifying equipment, and an air window is embedded in the air inlet I; a heat radiation fan is arranged in the cabinet type rectifying equipment; an air inlet II and an air outlet II are formed in the container, a dust filter screen is arranged at the position of the air inlet II, a dustproof and rainproof cover is arranged on the outer side of the air outlet II, an air guide cover is arranged on the inner side of the air outlet II, and the air outlet II is communicated with the air outlet I in a sealing mode through the air guide cover. The technical scheme can easily transfer the hydrogen production station as required, and realizes the maximum utilization of the hydrogen production device; in addition, the power supply device has a reliable structure and high protection level, and is suitable for various indoor and outdoor installation conditions.

Description

Box type rectification power supply device for electrolytic hydrogen production

Technical Field

The utility model relates to the technical field of rectifier power supplies, in particular to a box type rectifier power supply device for hydrogen production through electrolysis.

Background

With the rapid development of economy, the demand for energy is increasingly vigorous, and the problems of energy shortage and environmental pollution caused by fossil energy are increasingly acute. The new energy resource has great potential and can be continuously utilized, plays an important role in meeting energy requirements, improving energy structures, reducing environmental pollution, promoting economic development and the like, and has attracted wide attention of the international society under the double pressure of energy safety and environmental protection, such as solar energy, wind energy, hydrogen energy, nuclear energy, chemical power sources, biomass energy, geothermal energy, ocean energy new energy and the like.

The problems of exhaustion of fossil energy, deterioration of ecological environment, frequent extreme climate and the like promote the renewable energy to be highly valued and vigorously developed, and the characteristics of intermittence, volatility, difficult storage and the like of the renewable energy cause a great amount of water, wind and light abandonment. The effective method for solving the problem is to combine the electric power of renewable energy sources with the water electrolysis technology to prepare high-purity hydrogen and oxygen, and the generated gas is directly used or converted into electric power, so that the utilization rate and the occupation ratio of the renewable energy sources are improved.

Most renewable energy sources are located in remote areas, and the influence of weather and seasons on water resources, illumination and air volume is large, so that workers can move the electrolytic hydrogen production station according to the change of the environment, and due to the fact that the size of electrolytic hydrogen production equipment is large, particularly the circuit structure of a power supply device is complex, the workload of dismounting and moving is large; in addition, the protection level of the existing power supply device is not enough to meet the requirements of using in the environment with much rainwater and large wind and sand.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a box type rectification power supply device for electrolytic hydrogen production, which can easily transfer a hydrogen production station as required and realize the maximum utilization of a hydrogen production device; in addition, the power supply device has a reliable structure and high protection level, and is suitable for various indoor and outdoor installation conditions.

The utility model is realized by the following technical scheme:

a box type rectification power supply device for electrolytic hydrogen production comprises a container, a transformer and a rectification mechanism, wherein the rectification mechanism and the transformer are detachably arranged in the container; the rectifying mechanism comprises at least one rectifying unit, and each rectifying unit comprises a cabinet type rectifying device, a cabinet type switching device and a cabinet type adjusting device; the input end of the cabinet type rectifying equipment is electrically connected with the output end of the transformer through cabinet type switch equipment; the cabinet type adjusting equipment is electrically connected with the cabinet type rectifying equipment, is electrically connected with the transformer through the cabinet type switch equipment, and is used for protecting the circuit and setting and adjusting the output current and voltage of the cabinet type rectifying equipment; an air outlet I is formed in the top of the cabinet type rectifying equipment, an air inlet I is formed in a cabinet door of the cabinet type rectifying equipment, and an air window is embedded in the air inlet I; a heat dissipation fan is arranged in the cabinet type rectifying equipment and is positioned in an air channel connected from an air inlet I to an air outlet I; an air inlet II is formed in the bottom of the container, and a dust filter screen is arranged at the air inlet II; an air outlet II is formed in the side face of the container, a dustproof and rainproof cover is arranged on the outer side of the air outlet II, an air guide cover is arranged on the inner side of the air outlet II, and the air outlet II on the container is communicated with an air outlet I on the cabinet type rectifying equipment in a sealing mode through the air guide cover; at least one of the two ends of the container is provided with an access door structure.

Preferably, the top of the dustproof and rainproof cover is of a cambered surface structure, the bottom of the dustproof and rainproof cover is an air outlet, and a dustproof net is arranged at the air outlet.

Preferably, the top of the wind scooper is of an arc surface structure.

Preferably, the transformer is an epoxy resin cast three-phase dry-type rectifier transformer, and the secondary side of the transformer is of a double-winding structure; the rectifying mechanism comprises two rectifying units, and the two rectifying units are respectively in one-to-one correspondence with the two windings on the secondary side of the transformer and are electrically connected with the two windings.

Preferably, the transformer further comprises a steel frame base with rollers, and the transformer is detachably mounted on the steel frame base.

Preferably, an insulating partition plate is arranged inside the container, and cable avoidance holes are formed in the insulating partition plate; the insulating partition board is matched with the container, a rectification chamber for distributing a rectification mechanism and a transformation chamber for installing a transformer are formed in the container, and the rectification chamber and the transformation chamber are arranged side by side along the length direction of the container.

Preferably, the two ends of the container are respectively provided with an access door structure.

The utility model has the following beneficial effects:

this technical scheme utilizes the container to pack power supply circuit to for power supply circuit provides good laying and operational environment, power supply circuit's integration degree has been improved simultaneously, the dismouting is convenient, the transportation is convenient, numerous circuit connection and dismantlement work have been saved, and the existence based on the container, make this technical scheme have reliable protecting effect, it is applicable in the rainwater many, the big adverse circumstances of sand blown by the wind, thereby reduce the cost of purchasing equipment, improve equipment utilization, reduce user's investment cost.

Drawings

FIG. 1 is a schematic axial view of the present invention;

FIG. 2 is a side cross-sectional structural schematic view of the present embodiment;

FIG. 3 is a schematic view of the installation structure of the dust and rain shield;

in the figure:

1. a container; 2. a transformer; 3. a cabinet type rectification device; 4. a cabinet switchgear; 5. a cabinet type adjusting device; 6. an air outlet I; 7. a cabinet door; 8. an air inlet I; 9. a wind window; 10. an air inlet II; 11. a dust filter screen; 12. an air outlet II; 13. a dustproof rain-proof cover; 13.1, a plane side plate; 13.2, cambered surface top plate; 14. a wind scooper; 15. an access door structure; 16. an air outlet; 17. a dust screen; 18. a roller; 19. a steel frame base; 20. an insulating spacer; 21. a cable relief hole; 22. a rectification chamber; 23. and a variable pressure chamber.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. The components of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.

In order to make the technical means, the creation features, the achievement objects and the effects of the utility model easy to understand, the structure and the working principle of the utility model are further explained in the following with the accompanying drawings and the detailed implementation mode, but the protection scope of the utility model is not limited thereto.

Example 1

The embodiment discloses a box type rectifying power supply device for hydrogen production by electrolysis, which is a basic embodiment of the utility model and comprises a container 1, a transformer 2 and a rectifying mechanism, wherein the rectifying mechanism and the transformer 2 are detachably arranged in the container 1, and the container 1 is a hollow cuboid structure with six sealed surfaces. The input end of the transformer 2 is used for being connected with commercial power or new energy to obtain electricity, the accessed alternating current is input into the rectifying mechanism after being subjected to voltage reduction through the transformer 2, and the direct current meeting the requirements of electrolytic hydrogen production is output after being processed by the rectifying mechanism. Specifically, include at least one rectification unit in the rectification mechanism, every rectification unit includes a cabinet formula rectifying equipment 3, a cabinet formula switchgear 4 and a cabinet formula adjusting device 5, and wherein, the cubical switchboard is used for installing a plurality of interchange side isolator, and interchange side isolator plays isolation disconnection effect when the unit overhauls, protection personnel and equipment safety. The input end of the cabinet type rectifying device 3 is electrically connected with the output end of the transformer 2 through the cabinet type switch device 4, specifically, a rectifying circuit is arranged in the rectifying cabinet, and the input end of the rectifying circuit is electrically connected with the secondary coil of the transformer 2 through a corresponding alternating current side isolating switch. The cabinet type adjusting equipment 5 is provided with a controller, the controller is a master command device which changes the wiring of a main circuit or a control circuit according to a preset sequence and changes the resistance value in the circuit to control the starting, speed regulation, braking and reversing of the motor, and the controller consists of a program counter, a command register, a command decoder, a time sequence generator and an operation controller, and is a decision mechanism for issuing commands, namely, the controller completes coordination and commands the operation of the whole computer system. Based on this, the cabinet type adjusting device 5 is electrically connected with the cabinet type rectifying device 3, and the adjusting cabinet type rectifying device 3 (power supply device) can be controlled by the cabinet type adjusting device 5 to output direct current with set current and voltage. The cabinet type adjusting equipment 5 is electrically connected with the transformer 2 through the cabinet type switch equipment 4, and the cabinet type adjusting equipment 5 is also provided with a direct current breaker and various electrical elements, so that the circuit protection functions of the whole power supply device can be realized, including overcurrent and overvoltage protection, leakage protection and the like. Further, based on the existence of the controller, an external control cable is connected to the cabinet-type adjusting device 5, so that the working parameters of the power supply device can be remotely received and the working state of the power supply device can be remotely controlled (including setting the current and voltage of the output direct current).

In the working process of the power supply device, because a thyristor power element exists in the rectifying circuit, heat can be generated inside the cabinet type rectifying equipment 3, and in order to provide a good working environment for the rectifying circuit, the following heat dissipation structure is arranged: an air outlet I6 is formed in the top of the cabinet type rectifying equipment 3, an air inlet I8 is formed in a cabinet door 7 of the cabinet type rectifying equipment 3, an air window 9 is embedded in the air inlet I8, a filter screen is arranged on the air window 9, and in order to enable air to flow through the whole rectifying circuit in the cabinet type rectifying equipment 3 as far as possible and achieve a good radiating effect, the air inlet I8 is arranged close to one end of the bottom of the cabinet type rectifying equipment 3 as far as possible; a heat dissipation fan is arranged inside the cabinet type rectifying equipment 3 and is positioned in an air channel connected from an air inlet I8 to an air outlet I6; an air inlet II 10 is formed in the bottom of the container 1, a dust filter screen 11 is arranged at the air inlet II 10, and preferably, the dust filter screen 11 is detachably mounted so as to be convenient to clean and replace; an air outlet II 12 is arranged on the side surface of the container 1, a dustproof and rainproof cover 13 is arranged on the outer side of the air outlet II 12, an air guide cover 14 is arranged on the inner side of the air outlet II 12, and the air outlet II 12 on the container 1 is communicated with an air outlet I6 on the cabinet type rectifying equipment 3 in a sealing mode through the air guide cover 14; at least one of the two ends of the container 1 is provided with an access door structure 15. In the actual use process, the bottom of the container 1 is provided with a supporting structure, so that water accumulation in the container 1 can be prevented, and smooth circulation of air can be ensured. When the cabinet type rectifying equipment 3 needs to dissipate heat, the heat dissipation fan rotates, air in the container 1 is sucked into the cabinet type rectifying equipment 3 through the air window 9 and is changed into hot air through the rectifying circuit, the hot air is exhausted to the outside of the container 1 after sequentially passing through the air outlet I6, the air guide cover 14, the air outlet II 12 and the dustproof and rainproof cover 13, in the process, negative pressure is generated in the container 1, and cold air at the bottom of the container 1 flows into the container 1 through the air inlet II 10. To sum up, under the action of the heat dissipation fan, the air inside the container 1 and inside the cabinet type rectification device 3 circulates and is replaced in real time, so that a good heat dissipation effect can be achieved.

The technical scheme utilizes the container 1 to pack the power supply circuit, provides good arrangement and working environment for the power supply circuit, simultaneously improves the integration degree of the power supply circuit, is convenient to disassemble and assemble and convenient to transport, namely, when the hydrogen production station needs to be moved, an externally-accessed cable can be disconnected, the container 1 provided with the rectifying mechanism and the transformer 2 is directly transported to a next hydrogen production station in a whole moving way, the power supply device is disassembled at the current hydrogen production station, only the container 1 needs to be disassembled from a corresponding supporting structure, when the power supply device is installed at the next hydrogen production station, the corresponding supporting structure is only required to be re-arranged, then the power supply device is integrally installed on the supporting structure, the connection and disassembly work of a plurality of circuits are saved, thereby realizing the rapid installation and disassembly of the power supply device, and based on the existence of the container 1, make this technical scheme have reliable protecting effect, applicable in the adverse circumstances that the rainwater is many, sand blown by the wind is big.

Example 2

The embodiment discloses a box type rectification power supply device for hydrogen production by electrolysis, which is a preferable embodiment of the utility model, namely in embodiment 1, the top of a dustproof and rainproof cover 13 is of an arc-shaped structure, the bottom of the dustproof and rainproof cover 13 is provided with an air outlet 16, a dustproof net 17 is arranged at the air outlet 16, and the dustproof net 17 is preferably detachably mounted so as to be convenient to clean and replace. Specifically, the dustproof and rainproof cover 13 comprises a dustproof cover, a cambered top plate 13.2 and two plane side plates 13.1 which are parallel to each other and have the same structure; the arc-surface top plate 13.2 is provided with two parallel straight edges I with equal length and two parallel arc-shaped edges I with equal length, and each straight edge I is perpendicular to and intersected with the two arc-shaped edges I respectively; the plane side plate 13.1 is provided with a linear edge II, a linear edge III and an arc edge II, the linear edge II is perpendicular to and intersected with the linear edge III, and two ends of the arc edge II are respectively intersected with the linear edge II and the linear edge III. The plane side plate 13.1 is mutually perpendicular to the arc-shaped top plate 13.2, the two plane side plates 13.1 are respectively positioned at the two arc-shaped edges I of the arc-shaped top plate 13.2, and the arc-shaped edges II of the plane side plates 13.1 are in sealing welding with the arc-shaped edges I of the arc-shaped top plate 13.2. When the air outlet is installed and used, the linear edges II of the two plane side plates 13.1 are respectively connected with the positions, on the container 1, of the left side and the right side of the air outlet II 12 in a sealing mode; one straight line edge I of the arc-shaped top plate 13.2 is connected with the container 1 in a sealing mode at a position above the air outlet II 12, at the moment, the other straight line edge I of the arc-shaped top plate 13.2, the straight line edges III of the two plane side plates 13.1 are matched with the container 1, and an air outlet 16 is formed at a position below the air outlet II 12.

This technical scheme can set up the dust screen 17 and the dust screen 11 of corresponding density according to actual need, realizes that the protection exceeds 1 mm's object invasion, through setting up dustproof rain shade 13, can reach the protection and be 600 mesh of the water droplet of whereabouts with the vertical direction, from this one, this technical scheme's protection grade is not less than IP43, can not be restricted to indoor and outdoor installation and use, convenience of customers carries out the electrolysis hydrogen manufacturing in the place of difference according to the demand.

Example 3

The embodiment discloses a box-type rectification power supply device for hydrogen production by electrolysis, which is a preferred embodiment of the utility model, that is, in example 1, because the directions of an air outlet I6 and the air outlet are vertical, in order to enable air to smoothly flow from the air outlet I6 to an air outlet II 12, the top of an air guide cover 14 is designed to be a structure for assisting air to change the flow direction, for example, at least one inclined plate is spliced at the joint of the direction of the air outlet and the direction of the air outlet II 12, or the air guide cover 14 is set to be an arc-surface structure, preferably, the air guide cover 14 is set to be an arc-surface structure.

Example 4

The embodiment discloses a box-type rectification power supply device for hydrogen production by electrolysis, which is a preferable embodiment of the utility model, namely in the embodiment 1, a transformer 2 is an epoxy resin cast three-phase dry-type rectification transformer 2, the secondary side of the transformer is of a double-winding structure, and the group is Y/Y-12/D-11, the transformer 2 can reduce harmonic waves, and avoid causing large interference to the side of a power grid; furthermore, the rectifying mechanism comprises two rectifying units, and the two rectifying units are respectively in one-to-one correspondence with the two windings on the secondary side of the transformer 2 and are electrically connected. The two rectifying units are respectively arranged at the left side and the right side inside the container 1, and the two rectifying units are arranged in a mirror symmetry mode, so that management is convenient. When the direct-current rectifying unit is used, the direct-current output ends of the two rectifying units are connected in parallel and then connected to the anode and the cathode of the electrolytic cell of the hydrogen production device, so that the operation is simple and the use is convenient.

Further, because transformer 2 that this technical scheme used has characteristics bulky and weight is big, consequently, for the ease of the equipment, this technical scheme still includes steel frame base 19 that has gyro wheel 18, and transformer 2 detachable installs on steel frame base 19 to in container 1 with transformer 2 light and quick packing into.

Example 4

The embodiment discloses a box type rectification power supply device for hydrogen production by electrolysis, which is a preferable embodiment of the utility model, namely in the embodiment 1, an insulating partition plate 20 is arranged in a container 1, the thickness of the insulating plate is not less than 4mm, and a cable avoiding hole 21 is formed in the insulating partition plate 20 and used for a connecting cable between a rectification mechanism and a transformer 2 to pass through; the insulating partition board 20 is matched with the container 1, a rectification chamber 22 for arranging a rectification mechanism and a voltage transformation chamber 23 for installing the transformer 2 are formed inside the container 1, the rectification chamber 22 and the voltage transformation chamber 23 are arranged side by side along the length direction of the container 1, and correspondingly, the two ends of the container 1 are respectively provided with an access door structure 15, so that the internal structure of the container 1 can be maintained in real time. This technical scheme transformer 2 side and rectification mechanism side part, carry out physics with insulating barrier 20 and completely cut off, can separate the danger source when the accident outside taking place, and play the effect of transformer 2 heat dissipation and rectification mechanism heat dissipation separation, each other does not influence.

Claims

1. A box rectification power supply device for hydrogen production by electrolysis is characterized in that: the container comprises a container (1), a transformer (2) and a rectifying mechanism, wherein the rectifying mechanism and the transformer (2) are detachably arranged in the container (1);

the rectifying mechanism comprises at least one rectifying unit, and each rectifying unit comprises a cabinet type rectifying device (3), a cabinet type switching device (4) and a cabinet type adjusting device (5); the input end of the cabinet type rectifying equipment (3) is electrically connected with the output end of the transformer (2) through cabinet type switch equipment (4); the cabinet type adjusting equipment (5) is electrically connected with the cabinet type rectifying equipment (3), is electrically connected with the transformer (2) through the cabinet type switch equipment (4), and is used for protecting the circuit and setting and adjusting the output current and voltage of the cabinet type rectifying equipment (3); an air outlet I (6) is formed in the top of the cabinet type rectifying equipment (3), an air inlet I (8) is formed in a cabinet door (7) of the cabinet type rectifying equipment (3), and an air window (9) is embedded in the air inlet I (8); a heat dissipation fan is arranged in the cabinet type rectifying equipment (3), and the heat dissipation fan is arranged in an air channel connected from an air inlet I (8) to an air outlet I (6);

an air inlet II (10) is formed in the bottom of the container (1), and a dust filtering net (11) is arranged at the air inlet II (10); an air outlet II (12) is arranged on the side face of the container (1), a dustproof and rainproof cover (13) is arranged on the outer side of the air outlet II (12), an air guide cover (14) is arranged on the inner side of the air outlet II (12), and the air outlet II (12) on the container (1) is communicated with an air outlet I (6) on the cabinet type rectifying equipment (3) in a sealing mode through the air guide cover (14); at least one of the two ends of the container (1) is provided with an access door structure (15).

2. The box-type rectifying power supply device for hydrogen production by electrolysis according to claim 1, characterized in that: the top of the dustproof rain-proof cover (13) is of a cambered surface structure, the bottom of the dustproof rain-proof cover (13) is provided with an air outlet (16), and a dustproof net (17) is arranged at the air outlet (16).

3. The box-type rectifying power supply device for hydrogen production by electrolysis according to claim 1, characterized in that: the top of the wind scooper (14) is of an arc surface structure.

4. The box-type rectifying power supply device for hydrogen production by electrolysis according to claim 1, characterized in that: the transformer (2) is an epoxy resin cast three-phase dry-type rectifier transformer (2), and the secondary side of the transformer is of a double-winding structure; the rectifying mechanism comprises two rectifying units, and the two rectifying units are respectively in one-to-one correspondence with the two windings on the secondary side of the transformer (2) and are electrically connected with the two windings.

5. The box-type rectifying power supply device for hydrogen production by electrolysis according to claim 1, characterized in that: the transformer is characterized by further comprising a steel frame base (19) with rollers (18), and the transformer (2) is detachably mounted on the steel frame base (19).

6. The box-type rectifying power supply device for hydrogen production by electrolysis according to claim 1, characterized in that: an insulating partition plate (20) is arranged inside the container (1), and a cable avoidance hole (21) is formed in the insulating partition plate (20); the insulation partition plate (20) is matched with the container (1), a rectification chamber (22) for arranging rectification mechanisms and a transformation chamber (23) for installing the transformer (2) are formed in the container (1), and the rectification chamber (22) and the transformation chamber (23) are arranged side by side along the length direction of the container (1).

7. The box-type rectifying power supply device for hydrogen production by electrolysis according to claim 6, wherein: and the two ends of the container (1) are respectively provided with an access door structure (15).