CN214281326U

CN214281326U - High-safety single-phase photovoltaic inverter

Info

Publication number: CN214281326U
Application number: CN202120219205.4U
Authority: CN
Inventors: 蔡振中; 王祥光
Original assignee: Zhejiang Tengsheng Energy Storage Technology Co ltd
Current assignee: Zhejiang Tengsheng Energy Storage Technology Co ltd
Priority date: 2021-01-27
Filing date: 2021-01-27
Publication date: 2021-09-24
Anticipated expiration: 2031-01-27

Abstract

The utility model discloses a high-safety single-phase photovoltaic inverter, which belongs to the technical field of photovoltaic inverters and comprises a box body and an inverter, wherein the inverter is arranged inside the box body, one end of the box body is matched and connected with a box door, one side inside the box door is provided with a lock cylinder, one side of the surface of the inverter is provided with a control switch, the control switch is electrically connected with the current output end of the inverter, the control end of the control switch is fixedly connected with a connecting rod which extends to the outside of the box door, after the box body is closed, the baffle is moved upwards, the control end of the control switch is driven by the connecting rod to move upwards to complete closing, the inverter is normally used, the baffle is just clamped outside the lock cylinder at the moment, the box door can not be opened or closed, when maintenance is needed, the baffle must be pulled downwards, the baffle drives the control switch to disconnect a circuit by the connecting rod, at the lock cylinder is exposed, and can be opened by a key, the maintenance safety of the inverter is improved.

Description

High-safety single-phase photovoltaic inverter

Technical Field

The utility model relates to a photovoltaic inverter technical field especially relates to a single-phase photovoltaic inverter of high security.

Background

The photovoltaic inverter can convert variable direct-current voltage generated by the photovoltaic solar panel into alternating-current inverter with commercial power frequency, can feed back the alternating-current inverter to a commercial power transmission system or is used for an off-grid power grid, and is one of important components in the photovoltaic system.

Patent number is CN 209994284U's publication a photovoltaic inverter with security performance, the bottom plate of fin is installed in the mounting groove, can make things convenient for the fin to dismantle from the inverter body of lying down to make things convenient for the washing of fin.

The photovoltaic inverter has the following defects that 1, the photovoltaic inverter is poor in safety when in use, before the photovoltaic inverter is overhauled, the circuit connection of the photovoltaic inverter needs to be disconnected, power failure is easy to forget due to negligence and the like during actual use, and certain potential safety hazards exist in the overhauling process; 2. the photovoltaic inverter can only dissipate heat through the radiating fins, the temperature of the radiating fins rises after the photovoltaic inverter is used for a long time, the heat dissipation effect is affected, and the photovoltaic inverter is cleaned after being disassembled and is very inconvenient to clean.

Disclosure of Invention

The utility model provides a single-phase photovoltaic inverter of high security aims at guaranteeing to break inverter circuit before overhauing, improves the security, can promote the radiating effect to the dc-to-ac converter simultaneously, convenient clean fin.

The utility model provides a specific technical scheme as follows:

the utility model provides a pair of single-phase photovoltaic inverter of high security, including box and dc-to-ac converter, the dc-to-ac converter is installed inside the box, box one end cooperation is connected with the chamber door, the lock core is installed to the inside one side of chamber door, control switch is installed to dc-to-ac converter surface one side, control switch is connected with dc-to-ac converter current output end electricity, control switch control end fixedly connected with extends to the outside connecting rod of chamber door, control switch one side fixedly connected with baffle is kept away from to the connecting rod, dc-to-ac converter surface mounting has fin and fin to be a plurality of, dc-to-ac converter bottom fixedly connected with deflector and deflector are located the fin bottom, the water tank is installed at the box top, water tank bottom fixedly connected with extends to the drain pipe at fin top.

Optionally, a drain hole is formed in one side of the bottom of the box body, and the drain hole is located at the bottom of the guide plate.

Optionally, a through hole is formed in one side of the surface of the box door, and the connecting rod penetrates through the through hole.

Optionally, one side of the surface of the box body is provided with a plurality of heat dissipation holes, and the heat dissipation holes are located on one side of the surface of the box body close to the heat dissipation fins.

Optionally, a valve is arranged inside the drain pipe, and the valve is located on one side of the drain pipe close to the water tank.

The utility model has the advantages as follows:

1. the inside at the box is installed to the dc-to-ac converter, the wiring of dc-to-ac converter and external circuit is worn out from the top of box, the chamber door is installed to one side of box, chamber door internally mounted has the lock core, twist the opening and close of control lock core and then the opening and close of control chamber door through the key, the control switch that control circuit connects is installed to surface one side of dc-to-ac converter, control switch's control button department is fixed with the baffle through the connecting rod, after the box is closed, the baffle shifts up, it accomplishes the combined floodgate to move up through connecting rod drive control switch control end, the normal use of dc-to-ac converter, the baffle just in time blocks in the outside of lock core, can't carry out opening and close of chamber door this moment, when needing to overhaul, must pull down the baffle, the baffle passes through the connecting rod and drives control switch disconnection circuit connection, the lock core exposes this moment, can open through the key, the maintenance security of dc-to-ac converter has been improved.

2. The surface one side of dc-to-ac converter is installed the fin and is dispelled the heat, the fin specification differs, arrange in proper order surface one side at the dc-to-ac converter according to by little to big order, the water tank is installed at the top of box, the fin carries out the heat dissipation treatment to the dc-to-ac converter in the use, fin temperature is also very high after using for a long time, can pour into the cooling water into to the water tank is inside when needing, the cooling water slowly discharges to the top of fin along the drain pipe, and flow downwards in proper order, utilize the coolant liquid to cool down the fin, the coolant liquid discharge under the effect of deflector at last, the radiating effect to the dc-to-ac converter has further been improved, can additionally annotate the coolant liquid cooling before overhauing, avoid by the condition of scalding, the water tank can be open structure.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic diagram of an overall structure of a high-safety single-phase photovoltaic inverter according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a box door of a high-safety single-phase photovoltaic inverter according to an embodiment of the present invention;

fig. 3 is a schematic diagram of a structure on one side of the inverter heat dissipation of the single-phase photovoltaic inverter with high safety according to an embodiment of the present invention.

In the figure: 1. a box body; 101. a drain hole; 102. heat dissipation holes; 2. an inverter; 3. a box door; 301. a through hole; 302. a lock cylinder; 4. a control switch; 401. a connecting rod; 402. a baffle plate; 5. a heat sink; 501. a guide plate; 6. a water tank; 601. a drain pipe; 602. and (4) a valve.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

A high-safety single-phase photovoltaic inverter according to an embodiment of the present invention will be described in detail with reference to fig. 1 to 3.

Referring to fig. 1, 2 and 3, a high-safety single-phase photovoltaic inverter provided by an embodiment of the present invention includes a case 1 and an inverter 2, the inverter 2 is arranged in the box body 1, one end of the box body 1 is connected with a box door 3 in a matching way, a lock core 302 is arranged at one side inside the box door 3, a control switch 4 is arranged at one side of the surface of the inverter 2, the control switch 4 is electrically connected with the current output end of the inverter 2, the control end of the control switch 4 is fixedly connected with a connecting rod 401 extending to the outside of the box door 3, a baffle plate 402 is fixedly connected to one side of the connecting rod 401 far away from the control switch 4, a plurality of radiating fins 5 are arranged on the surface of the inverter 2, a guide plate 501 is fixedly connected to the bottom of the inverter 2, and the guide plate 501 is positioned at the bottom of the heat sink 5, a water tank 6 is installed at the top of the box body 1, and a drain pipe 601 extending to the top of the radiating fin 5 is fixedly connected to the bottom of the water tank 6.

Illustratively, after the box body 1 is closed, the baffle 402 is moved upwards, the control end of the control switch 4 is driven by the connecting rod 401 to move upwards to complete closing, the inverter 2 is normally used, the baffle 402 is just clamped outside the lock cylinder 302 at the moment, the opening and closing of the box door 3 cannot be performed, when maintenance is required, the baffle 402 must be pulled downwards, the baffle 402 drives the control switch 4 to be disconnected with a circuit by the connecting rod 401, the lock cylinder 302 is exposed at the moment, the box door 3 can be opened by a key, the maintenance safety of the inverter 2 is improved, cooling water is injected into the water tank 6, the cooling water is slowly discharged to the top of the cooling fin 5 along the water discharge pipe 601 and flows downwards in sequence, the cooling fin 5 is cooled by the cooling liquid, and finally the cooling liquid is discharged under the action of the guide plate 501, and the heat dissipation effect on the inverter 2 is further improved.

Referring to fig. 1, a drainage hole 101 is formed at one side of the bottom of the housing 1, and the drainage hole 101 is located at the bottom of the guide plate 501.

For example, the water discharged through the guide plate 501 may be discharged to the inside of the case 1 through the water discharge hole 101 formed in the bottom of the case 1.

Referring to fig. 1 and 2, a through hole 301 is formed on one side of the surface of the door 3, and the link 401 penetrates through the through hole 301.

Illustratively, the link 401 may pass through the door 3 through a through hole 301 formed in a surface of the door 3.

Referring to fig. 1, a plurality of heat dissipation holes 102 are formed on one side of the surface of the case 1, and the heat dissipation holes 102 are located on one side of the surface of the case 1 close to the heat dissipation fins 5.

Illustratively, the inside and the outside of the box body 1 are communicated through the heat dissipation holes 102 formed in the surface of the box body, so that air circulation is facilitated.

Referring to fig. 1, a valve 602 is installed inside the drain pipe 601, and the valve 602 is located on a side of the drain pipe 601 close to the water tank 6.

Illustratively, the discharge rate of the drain pipe 601 can be adjusted by a valve 602 installed inside the drain pipe 601.

When the device is used, the inverter 2 is arranged in the box body 1, the wiring of the inverter 2 and an external circuit penetrates out of the top of the box body 1, a box door 3 is arranged on one side of the box body 1, a lock cylinder 302 is arranged in the box door 3, the opening and closing of the lock cylinder 302 are controlled by screwing a key so as to control the opening and closing of the box door 3, a control switch 4 connected with a control circuit is arranged on one side of the surface of the inverter 2, a baffle 402 is fixed at a control button of the control switch 4 through a connecting rod 401, after the box body 1 is closed, the baffle 402 is moved upwards, the control end of the control switch 4 is driven by the connecting rod 401 to move upwards to complete the closing, the inverter 2 is normally used, the baffle 402 is just clamped outside the lock cylinder 302 at the moment, the box door 3 cannot be opened or closed, when the maintenance is needed, the baffle 402 must be pulled downwards, the control switch 4 is driven by the connecting rod 401 to disconnect the circuit, the lock cylinder 302 is exposed at the moment, the box door 3 can be opened by the key, the overhaul safety of the inverter is improved, the connecting rod 401 can penetrate through the box door 3 through the through hole 301 formed in the surface of the box door 3, the radiating fins 5 are arranged on one side of the surface of the inverter 2 for radiating heat, the radiating fins 5 are different in specification and are sequentially arranged on one side of the surface of the inverter 2 from small to large, the water tank 6 is arranged at the top of the box body 1, the radiating fins 5 perform radiating treatment on the inverter 2 in the using process, the temperature of the radiating fins 5 is high after long-time use, cooling water can be injected into the water tank 6 when needed, the cooling water is slowly discharged to the tops of the radiating fins 5 along the drain pipe 601 and flows downwards in sequence, the radiating fins 5 are cooled by using the cooling liquid, and finally the cooling liquid is discharged under the action of the guide plate 501, so that the radiating effect on the inverter 2 is further improved, the cooling liquid can be additionally injected before overhaul, and the scalding situation is avoided, simultaneously water tank 6 can be for uncovered structure, can collect the rainwater when rainwater weather, and the water economy resource through the wash port 101 of box 1 bottom, can be to the inside of the drainage box 1 of the drainage through deflector 501, through the louvre 102 of seting up on the box 1 surface, can be so that inside and outside intercommunication makes things convenient for the circulation of air, through the valve 602 of drain pipe 601 internally mounted, can adjust the exhaust speed of drain pipe 601.

It should be noted that, the utility model relates to a single-phase photovoltaic inverter of high security, including box 1, wash port 101, louvre 102, dc-to-ac converter 2, chamber door 3, through-hole 301, lock core 302, control switch 4, connecting rod 401, baffle 402, fin 5, deflector 501, water tank 6, drain pipe 601, valve 602, the part is general standard component or the part that technical personnel in the field know, and its structure and principle all are that this technical personnel all can learn through the technical manual or learn through conventional experimental approach and learn to learn

It is apparent that those skilled in the art can make various changes and modifications to the embodiments of the present invention without departing from the spirit and scope of the embodiments of the present invention. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The high-safety single-phase photovoltaic inverter comprises a box body (1) and an inverter (2), and is characterized in that the inverter (2) is installed inside the box body (1), one end of the box body (1) is connected with a box door (3) in a matching manner, one side inside the box door (3) is provided with a lock cylinder (302), one side of the surface of the inverter (2) is provided with a control switch (4), the control switch (4) is electrically connected with the current output end of the inverter (2), the control end of the control switch (4) is fixedly connected with a connecting rod (401) extending to the outside of the box door (3), one side of the connecting rod (401) far away from the control switch (4) is fixedly connected with a baffle (402), the surface of the inverter (2) is provided with a plurality of radiating fins (5), the bottom of the inverter (2) is fixedly connected with a guide plate (501) and the guide plate (501) is positioned at the bottom of the radiating fins (5), a water tank (6) is installed at the top of the box body (1), and a drain pipe (601) extending to the top of the radiating fin (5) is fixedly connected to the bottom of the water tank (6).

2. The high-safety single-phase photovoltaic inverter according to claim 1, wherein a drain hole (101) is formed in one side of the bottom of the box body (1), and the drain hole (101) is located at the bottom of the guide plate (501).

3. The high-safety single-phase photovoltaic inverter according to claim 1, wherein a through hole (301) is formed in one side of the surface of the box door (3), and the connecting rod (401) penetrates through the through hole (301).

4. The high-safety single-phase photovoltaic inverter according to claim 1, wherein a plurality of heat dissipation holes (102) are formed in one side of the surface of the box body (1), and the heat dissipation holes (102) are located in one side of the surface of the box body (1) close to the heat dissipation fins (5).

5. The high-safety single-phase photovoltaic inverter according to claim 1, wherein a valve (602) is installed inside the drain pipe (601), and the valve (602) is located on one side of the drain pipe (601) close to the water tank (6).