An explosion-proof power direct current screen

Abstract

The utility model relates to power supply direct current screen technical field, specifically is an explosion -proof power supply direct current screen, include: explosion -proof shell, including the shell, the inside rear side of shell is established and has the outgoing line room, the inside front side of shell is established and has direct current screen storage room, the interval board includes the board body, and the board body fixed mounting is in the outgoing line room, direct current screen storage room interval department, the door body structure includes the door, and the door sliding joint is in direct current screen storage room front side opening department, the screen body structure includes direct current screen main part and power cabinet, and direct current screen main part, power cabinet sliding accomodation in direct current screen storage room, the utility model discloses, push direct current screen main part and power cabinet into direct current screen storage room, and the line on direct current screen main part, power cabinet passes through the door and is connected with external line in the outgoing line room, separates the place of direct current screen main part, power cabinet with the outgoing line room and connects, separates the line connection point this security risk with equipment main body, improves the security, reduces the probability that the explosion is caused by the connection point electric leakage.

Description

Technical Field

[0001] This utility model relates to the field of power supply DC power supply technology, specifically an explosion-proof power supply DC power supply. Background Technology

[0002] A DC power supply panel is short for a DC power operating system. It consists of an AC power distribution unit, a charging module unit, a step-down silicon chain unit, a DC power supply unit, a power distribution monitoring unit, a monitoring module unit, and an insulation monitoring unit. The components of the DC power supply panel are usually located inside the distribution cabinet and are often used in flammable and explosive environments.

[0003] The current wiring method for DC power supply directly connects the connection wires on the equipment to the external wiring harness, leaving the connection points relatively exposed. In flammable and explosive environments, if the exposed wiring connections leak electricity, it can easily cause an explosion, posing a high risk. Utility Model Content

[0004] The purpose of this invention is to provide an explosion-proof DC power supply panel to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] An explosion-proof DC power supply panel includes:

[0007] An explosion-proof enclosure includes a housing, wherein a cable outlet chamber is provided on the rear side of the housing, and a DC power supply storage chamber is provided on the front side of the housing.

[0008] A partition plate, including a plate body, is fixedly installed in the partition between the outgoing line chamber and the DC power supply storage chamber;

[0009] The door structure includes a sealing door, which is slidably engaged with the front opening of the DC power supply storage room;

[0010] The screen structure includes a DC power supply main body and a power cabinet, wherein the DC power supply main body and the power cabinet are slidably stored in the DC power supply storage chamber.

[0011] Furthermore, the bottom of the DC power supply storage chamber is provided with a wheel slide rail, and the two sides of the opening of the DC power supply storage chamber are provided with limit slide rails, and the upper and lower ends of the limit slide rails are provided with locking slots.

[0012] Furthermore, cable outlets are interspersed on both sides of the cable outlet chamber, and a screw-on sleeve is screwed onto each cable outlet. A cable protection sleeve is fixedly installed inside both the cable outlet and the screw-on sleeve.

[0013] Furthermore, the following features are provided: limit plates are fixedly installed on both sides and the middle of the front surface of the plate; wire windows are interspersed in the front and rear directions of the plate; bottom abutment strips are fixedly installed at the bottom of the wire windows; sliding pressure strips are slidably engaged at the top of the wire windows; limit sliders are fixedly installed at both ends of the sliding pressure strips; a return spring is fixedly connected to the upper side of the sliding pressure strips; and rubber strips are fixedly installed on the adjacent surfaces of the bottom abutment strips and the sliding pressure strips.

[0014] Furthermore, the sealing door is fixedly equipped with limiting slide bars that slide and engage with the limiting slide rail on both sides, a lifting handle is fixedly installed on the lower front edge of the sealing door, spring latches are embedded at both ends of the bottom of the sealing door, and a bottom latch is fixedly installed at the bottom of the sealing door.

[0015] Furthermore, the DC power supply unit and the power cabinet are equipped with pull-out handles embedded in the center of the front edges on both sides, and the DC power supply unit and the power cabinet are fixedly installed with casters at the four corners of the bottom.

[0016] Compared with the prior art, the beneficial effects of this utility model are:

[0017] 1. Push the DC power supply unit and power cabinet into the DC power supply storage room, and connect the wiring on the DC power supply unit and power cabinet through the sealed door to the external wiring in the outgoing wiring room. Isolate the connection point from the DC power supply unit and power cabinet, thus isolating the safety hazard of the wiring connection point from the main equipment, improving safety, and reducing the probability of explosion caused by leakage at the connection point. At the same time, the opening of the DC power supply storage room is sealed by the plate, which is relatively isolated from the outside world. The protective structure composed of the shell and plate prevents the outside world from affecting the internal equipment, and also avoids damage to the surrounding environment in the event of spontaneous combustion of the batteries stored in the power cabinet.

[0018] 2. The main body of the DC power supply cabinet has its wiring extending to the outside through the wiring window and outlet. A screw-on sleeve is fitted onto the surface of the external wiring harness. After connecting all the wiring in the outside, pull the wires back and pull the connection point into the outlet chamber. Then, screw the screw-on sleeve onto the outlet. The wiring harness at the outlet is wrapped by two layers of protective sleeves. The sliding pressure strip abuts against the bottom abutment strip under the push of the return spring. Two rubber strips that press against each other wrap the wiring at the wiring window to improve the isolation effect. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0020] Figure 2 This is a schematic diagram of the explosion-proof shell in this utility model;

[0021] Figure 3 This is a schematic diagram of the middle partition of this utility model;

[0022] Figure 4 This is a schematic diagram of the door structure in this utility model;

[0023] Figure 5 This is a schematic diagram of the screen structure in this utility model.

[0024] In the diagram: 1. Explosion-proof housing; 101. Housing; 102. Outlet chamber; 103. DC power supply storage chamber; 104. Wheel track; 105. Limiting track; 106. Locking slot; 107. Outlet; 108. Swivel sleeve; 109. Cable protection sleeve; 2. Partition plate; 201. Plate body; 202. Limiting top plate; 203. Wire window; 204. Bottom abutment strip; 205. Sliding strip; 206. Limiting slider; 207. Return spring; 208. Rubber strip; 3. Door structure; 301. Door seal; 302. Limiting track; 303. Pull handle; 304. Spring latch; 305. Bottom retaining edge; 4. Power supply structure; 401. DC power supply main body; 402. Power cabinet; 403. Pull handle; 404. Wheels. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] Please see Figure 1-5 In this embodiment of the present invention, an explosion-proof DC power supply panel includes: an explosion-proof shell 1, including a shell 101, with a cable outlet chamber 102 opened on the rear side inside the shell 101 and a DC power supply panel storage chamber 103 opened on the front side inside the shell 101; a partition plate 2, including a plate body 201, which is fixedly installed at the interval between the cable outlet chamber 102 and the DC power supply panel storage chamber 103; a door structure 3, including a sealing door 301, which is slidably engaged with the front opening of the DC power supply panel storage chamber 103; and a panel structure 4, including a DC power supply panel body 401 and a power supply cabinet 402, which are slidably stored in the DC power supply panel storage chamber 103.

[0027] Specifically, the DC power supply unit 401 and power cabinet 402 are pushed into the DC power supply storage chamber 103, and the lines on the DC power supply unit 401 and power cabinet 402 are connected to the external lines in the outgoing line chamber 102 through the sealing door 301. This isolates the connection point from the location of the DC power supply unit 401 and power cabinet 402, thus isolating the safety hazard of the connection point from the main body of the equipment, improving safety, and reducing the probability of explosion caused by leakage at the connection point. At the same time, the opening of the DC power supply storage chamber 103 is sealed by the plate 201, which relatively isolates it from the outside world. The protective structure composed of the shell 101 and the plate 201 prevents the outside world from affecting the internal equipment, and also avoids damage to the surrounding environment if the batteries stored in the power cabinet 402 spontaneously combust.

[0028] Example 1

[0029] like Figure 1 , 2 As shown in Figure 5, in this embodiment, a wheel rail 104 is provided at the bottom of the DC power supply storage chamber 103, and a limiting rail 105 is provided on both sides of the opening of the DC power supply storage chamber 103. A locking slot 106 is provided at both the upper and lower ends of the limiting rail 105. Pull-out handles 403 are embedded in the middle of the front edges on both sides of the DC power supply body 401 and the power cabinet 402. Movable wheels 404 are fixedly installed at the four corners of the bottom of the DC power supply body 401 and the power cabinet 402.

[0030] In this embodiment, the DC power supply unit 401 and the power cabinet 402 are moved by pulling the handle 403, so that each moving wheel 404 slides into the corresponding wheel rail 104. Under the auxiliary guidance and limitation of the wheel rail 104, the DC power supply unit 401 and the power cabinet 402 are sent into the DC power supply storage room 103.

[0031] like Figure 1 , 2 As shown in Figure 4, in this embodiment, the sealing door 301 is fixedly installed with limiting slide strips 302 that slide and engage with the limiting slide rail 105 on both sides, the sealing door 301 is fixedly installed with a lifting handle 303 on the lower front edge, the sealing door 301 is embedded with spring latches 304 at both ends of the bottom, and the sealing door 301 is fixedly installed with a bottom latch 305.

[0032] In practice, when inspecting and maintaining the DC power supply unit 401 and the power cabinet 402, the door 301 is pulled up and down by the pull handle 403 to open or close the opening of the DC power supply storage room 103. When the door 301 is opened or closed, it is locked in the locking slot 106 by the spring latch 304.

[0033] Example 2

[0034] Based on Embodiment 1, in order to supplement the specific method of placing the DC power supply main body 401, power cabinet 402 and external line connection point in the outgoing room 102, which was not mentioned in Embodiment 1.

[0035] like Figure 1-3 As shown, in this embodiment, cable outlets 107 are interspersed on both sides of the cable outlet chamber 102, and screw-on sleeves 108 are screwed onto the cable outlets 107. Cable protection sleeves 109 are fixedly installed inside both the cable outlets 107 and the screw-on sleeves 108. Limiting top plates 202 are fixedly installed on both sides and the middle of the front surface of the plate 201. Cable windows 203 are interspersed in the front and rear directions of the plate 201. Bottom abutment strips 204 are fixedly installed at the bottom of the cable windows 203. Sliding pressure strips 205 are slidably engaged at the top of the cable windows 203. Limiting sliders 206 are fixedly installed at both ends of the sliding pressure strips 205. A return spring 207 is fixedly connected to the upper side of the sliding pressure strips 205. Rubber strips 208 are fixedly installed on the adjacent surfaces of the bottom abutment strips 204 and the sliding pressure strips 205.

[0036] In practice, the lines on the back of the DC power supply unit 401 and power cabinet 402 extend to the outside through the wire window 203 and the outlet 107. The external wire harness side surface is fitted with a screw-on sleeve 108. After connecting all the lines in the outside, the wires are pulled back to pull the connection point into the outlet chamber 102. Then, the screw-on sleeve 108 and the outlet 107 are screwed together. The wire harness at the outlet 107 is wrapped by two layers of protective sleeves 109. The sliding pressure strip 205 abuts against the bottom abutment strip 204 under the push of the return spring 207. The lines at the wire window 203 are wrapped by two mutually pressed rubber strips 208 to improve the isolation effect.

[0037] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0038] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. An explosion-proof DC power supply panel, characterized in that, include: The explosion-proof enclosure (1) includes a housing (101), with a cable outlet chamber (102) opened on the rear side inside the housing (101) and a DC power supply storage chamber (103) opened on the front side inside the housing (101). The partition plate (2) includes a plate body (201), which is fixedly installed at the interval between the outgoing line chamber (102) and the DC power supply storage chamber (103); The door structure (3) includes a sealing door (301), which is slidably engaged with the front opening of the DC power supply storage chamber (103); The screen structure (4) includes a DC screen body (401) and a power cabinet (402), wherein the DC screen body (401) and the power cabinet (402) are slidably stored in the DC screen storage room (103).

2. The explosion-proof DC power supply panel according to claim 1, characterized in that, The bottom of the DC screen storage chamber (103) is provided with a wheel slide rail (104), and the two sides of the opening of the DC screen storage chamber (103) are provided with a limit slide rail (105). The upper and lower ends of the limit slide rail (105) are provided with locking slots (106).

3. The explosion-proof DC power supply panel according to claim 2, characterized in that, The cable outlet chamber (102) has cable outlets (107) installed on both sides. A screw-on sleeve (108) is screwed onto the cable outlet (107). A cable protection sleeve (109) is fixedly installed inside both the cable outlet (107) and the screw-on sleeve (108).

4. The explosion-proof DC power supply panel according to claim 3, characterized in that, Limiting top plates (202) are fixedly installed on both sides and the middle of the front surface of the plate (201). A wire window (203) is interlaced in the front and back direction of the plate (201). A bottom abutment strip (204) is fixedly installed at the bottom of the wire window (203). A sliding pressure strip (205) is slidably engaged at the top of the wire window (203). Limiting sliders (206) are fixedly installed at both ends of the sliding pressure strip (205). A reset spring (207) is fixedly connected to the upper side of the sliding pressure strip (205). Rubber strips (208) are fixedly installed on the adjacent surfaces of the bottom abutment strip (204) and the sliding pressure strip (205).

5. The explosion-proof DC power supply panel according to claim 4, characterized in that, The sealing door (301) is fixedly installed on both sides with limiting slide bars (302) that slide and engage with the limiting slide rail (105). The sealing door (301) is fixedly installed with a lifting handle (303) on the lower front edge. The sealing door (301) is embedded with spring latches (304) at both ends of the bottom. The sealing door (301) is fixedly installed with a bottom latch (305) at the bottom.

6. The explosion-proof DC power supply panel according to claim 5, characterized in that, Pull-out handles (403) are embedded in the middle of the front edges on both sides of the DC power supply body (401) and the power cabinet (402). Movable wheels (404) are fixedly installed at the four corners of the bottom of the DC power supply body (401) and the power cabinet (402).

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