CN217823875U - Explosion-proof stainless steel block terminal - Google Patents
Explosion-proof stainless steel block terminal Download PDFInfo
- Publication number
- CN217823875U CN217823875U CN202221891178.6U CN202221891178U CN217823875U CN 217823875 U CN217823875 U CN 217823875U CN 202221891178 U CN202221891178 U CN 202221891178U CN 217823875 U CN217823875 U CN 217823875U
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- stainless steel
- distribution box
- steel distribution
- box body
- explosion
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- 229910001220 stainless steel Inorganic materials 0.000 title claims abstract description 63
- 239000010935 stainless steel Substances 0.000 title claims abstract description 63
- 238000009826 distribution Methods 0.000 claims abstract description 48
- 230000007246 mechanism Effects 0.000 claims abstract description 48
- 230000003139 buffering effect Effects 0.000 claims abstract description 12
- 230000000087 stabilizing effect Effects 0.000 claims description 13
- 230000001681 protective effect Effects 0.000 claims description 8
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 238000003860 storage Methods 0.000 claims description 4
- 238000005728 strengthening Methods 0.000 claims description 2
- 238000004880 explosion Methods 0.000 claims 1
- 230000002349 favourable effect Effects 0.000 description 6
- 238000009434 installation Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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Abstract
The application relates to the technical field of stainless steel distribution boxes and provides an explosion-proof stainless steel distribution box, including stainless steel distribution box body, through hinge movable mounting in the positive chamber door of stainless steel distribution box body and fixed mounting in being used for of stainless steel distribution box body lower surface carry out the mount pad of fixing a position to the stainless steel distribution box body, the mid-mounting of stainless steel distribution box body upper surface has buffering protection mechanism. This application is through the buffer protection mechanism who sets up, protection roof and first guiding gutter isotructure, when there is object whereabouts contact protection roof in the eminence, the impact force that protection roof made it receive through the link transmits for the connecting rod, trapezoidal slider produces the relative slip with lower trapezoidal slider on making, thereby make the spring produce deformation, and then can the impact force carry out effectual buffering, the problem of causing the damage to stainless steel block terminal body easily because of the direct whereabouts of object among the prior art has been solved.
Description
Technical Field
The utility model relates to a stainless steel block terminal field particularly, relates to an explosion-proof stainless steel block terminal.
Background
With the rapid development of various industries, the explosion-proof distribution box is more and more widely used in production, storage and rescue, and has more and more varieties, and the explosion-proof distribution box is suitable for explosive dangerous environments such as petroleum and petrochemical industry, chemical industry, wine brewing, medicine, paint, textile, printing and dyeing, military industry facilities and the like.
The existing explosion-proof distribution box mostly has an antirust function when having an explosion-proof function, but the existing explosion-proof distribution box is found in the outdoor installation and practical use process, and sundries falling from a high place are easy to cause collision damage to the top of the distribution box due to certain impact force, so that the explosion-proof stainless steel distribution box is not favorable for the protection of the internal structure of the distribution box, and the explosion-proof stainless steel distribution box is provided for the reason.
Disclosure of Invention
The utility model aims to provide a: the problem of the traditional block terminal that exists at present because of mostly not having safeguard function, and easy damage in outdoor use is solved.
In order to achieve the purpose of the invention, the utility model provides the following technical scheme:
an explosion-proof stainless steel electric distribution box is disclosed, which can improve the above-mentioned problem.
The present application is specifically such that:
the box door is movably arranged on the front surface of the stainless steel distribution box body through a hinge, and the mounting seat is fixedly arranged on the lower surface of the stainless steel distribution box body and used for positioning the stainless steel distribution box body;
buffer protection mechanism includes the casing of fixed mounting in stainless steel block terminal body upper surface, the equal fixedly connected with spring in both sides of casing inside, trapezoidal slider under the one end fixedly connected with of spring, the surface slip of trapezoidal slider is equipped with trapezoidal slider down, the last fixed surface of going up trapezoidal slider is connected with the connecting rod, the one end fixedly connected with link of connecting rod, there is the protection roof on the surface of link through bolt fixed mounting, the surface of link is equipped with connects strengthening mechanism, the positive fixedly connected with of protection roof is used for carrying out spacing adjustment mechanism to the mechanism that keeps off the rain.
As the preferred technical scheme of this application, buffering protection mechanism is still including offering the first guiding gutter on protection roof surface, the groove of accomodating that is used for accomodating rain mechanism is offered to the inside of protection roof.
As the preferable technical scheme of the application, the connection reinforcing mechanism comprises positioning seats fixedly connected to the opposite sides of the two connecting frames, and connecting straight rods are fixedly connected to the opposite sides of the two positioning seats through bolts.
As the preferred technical scheme of this application, stabilizing mean includes through the mounting panel of bolt fixed mounting in stainless steel block terminal body upper surface both sides, the equal slip grafting in both sides on mounting panel surface has the mainboard, the surperficial threaded connection of mounting panel has and is used for carrying on spacing bolt to the mainboard, the upper surface slip grafting of mainboard has the subplate, the one end fixed connection that the mainboard was kept away from to the subplate is in the lower surface of protection roof.
As the preferred technical scheme of this application, rain blocking mechanism includes that horizontal sliding installs in the weather shield of accomodating inslot portion, the second guiding gutter has been seted up on the surface of weather shield, the equal fixedly connected with handle in the positive both sides of weather shield.
As the preferred technical scheme of this application, adjustment mechanism includes the cover body of fixed connection in protection roof surface, the interior roof of the cover body rotates and is connected with the rotation post.
As the preferred technical scheme of this application, the inside threaded connection of rotation post has positioning screw, positioning screw's fixed surface is connected with the steady piece, the outside sliding connection of steady piece is in the inner wall of the cover body.
As the preferred technical scheme of this application, lower trapezoidal slider horizontal sliding installs in the inside of casing, go up trapezoidal slider and casing level sliding connection from top to bottom, the surface movable mounting who goes up trapezoidal slider has the direction ball.
Compared with the prior art, the beneficial effects of the utility model are that:
in the scheme of the application:
1. through the arrangement of the buffer protection mechanism, the protection top plate, the first diversion trench and other structures, when an object falls to contact the protection top plate at a high position, the protection top plate transmits the impact force applied to the protection top plate to the connecting rod through the connecting frame, so that the upper trapezoidal sliding block and the lower trapezoidal sliding block slide relatively, the spring is deformed, the impact force can be effectively buffered, and the problem that the stainless steel distribution box body is easily damaged due to the fact that the object directly falls in the prior art is solved;
2. through the rain-proof mechanism who sets up, when maintaining the stainless steel block terminal body when raining, can outwards take out the weather shield, can realize hiding the rain effect to the staff, and through the setting of first guiding gutter and second guiding gutter, can make the rainwater water conservancy diversion in the rear of stainless steel block terminal body to be favorable to staff's maintenance operation, solved among the prior art the problem that the staff of being not convenient for was maintained to it in raining.
Drawings
Fig. 1 is a schematic structural view of an explosion-proof stainless steel electrical box provided herein;
fig. 2 is a schematic structural view of a second form of the explosion-proof stainless steel electrical box provided herein;
FIG. 3 is a schematic illustration of a disassembled structure of an explosion-proof stainless steel electrical box provided herein;
FIG. 4 is a schematic structural view of a stabilizing mechanism of the explosion-proof stainless steel electrical box provided herein;
FIG. 5 is a partially disassembled schematic view of the shock absorbing protection mechanism of the explosion-proof stainless steel electrical box provided herein;
fig. 6 is a schematic view, partially in section, of an explosion-proof stainless steel electrical box provided herein.
The following are marked in the figure:
1. a stainless steel distribution box body; 2. a box door; 3. a mounting seat; 4. a housing; 5. a spring; 6. a lower trapezoidal slide block; 7. an upper trapezoidal sliding block; 8. a connecting rod; 9. a connecting frame; 10. a protective roof; 11. a first diversion trench; 12. a receiving groove; 13. a connection reinforcement mechanism; 1301. positioning seats; 1302. a connecting straight rod; 14. A stabilizing mechanism; 1401. mounting a plate; 1402. a main board; 1403. a limit bolt; 1404. a sub-board; 15. A rain shielding mechanism; 1501. a rain shield; 1502. a second guiding gutter; 16. an adjustment mechanism; 1601. a cover body; 1602. rotating the column; 1603. positioning a screw rod; 1604. and (6) stabilizing the block.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings. It is to be understood that the embodiments described are some, not all embodiments of the invention.
Thus, the following detailed description of the embodiments of the invention is not intended to limit the scope of the invention as claimed, but is merely representative of some embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
It should be noted that, in the present invention, the embodiments and the features and technical solutions in the embodiments may be combined with each other without conflict.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "upper" and "lower" indicate the orientation or position relationship based on the orientation or position relationship shown in the drawings, or the orientation or position relationship that the product of the present invention is usually placed when in use, or the orientation or position relationship that a person skilled in the art would conventionally understand, and such terms are only used for convenience of description and simplification of the description, but do not indicate or imply that the device or element that is referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
Example 1:
as shown in fig. 1 and 2, the embodiment provides an explosion-proof stainless steel distribution box, which includes a stainless steel distribution box body 1, a box door 2 movably mounted on the front surface of the stainless steel distribution box body 1 through a hinge, and a mounting base 3 fixedly mounted on the lower surface of the stainless steel distribution box body 1 and used for positioning the stainless steel distribution box body 1, wherein a buffer protection mechanism is mounted in the middle of the upper surface of the stainless steel distribution box body 1, a rain shielding mechanism 15 is arranged inside the buffer protection mechanism, and stabilizing mechanisms 14 are fixedly mounted on two sides of the upper surface of the stainless steel distribution box body 1 through bolts;
the box door 2 is arranged, so that the maintenance and installation of electrical elements inside the stainless steel distribution box body 1 are facilitated, and meanwhile, the fixed installation of the stainless steel distribution box body 1 can be realized through the matching use of the installation seat 3;
the buffering protection mechanism comprises a shell 4 fixedly installed on the upper surface of a stainless steel distribution box body 1, springs 5 are fixedly connected to two sides of the interior of the shell 4, one end of each spring 5 is fixedly connected with a lower trapezoidal sliding block 6, an upper trapezoidal sliding block 7 is arranged on the surface of each lower trapezoidal sliding block 6 in a sliding mode, the upper surface of each upper trapezoidal sliding block 7 is fixedly connected with a connecting rod 8, one end of each connecting rod 8 is fixedly connected with a connecting frame 9, a protection top plate 10 is fixedly installed on the surface of each connecting frame 9 through bolts, a connection reinforcing mechanism 13 is arranged on the surface of each connecting frame 9, an adjusting mechanism 16 used for limiting a rain shielding mechanism 15 is fixedly connected to the front side of each protection top plate 10, the buffering protection mechanism further comprises a first flow guide groove 11 arranged on the surface of each protection top plate 10, and a storage groove 12 used for storing the rain shielding mechanisms 15 is formed in each protection top plate 10;
the first diversion trench 11 can divert rainwater to make the rainwater flow out from the back of the stainless steel distribution box body 1;
the lower trapezoidal sliding block 6 is horizontally and slidably mounted inside the shell 4, the upper trapezoidal sliding block 7 is horizontally and vertically slidably connected with the shell 4, guide balls are movably mounted on the surface of the upper trapezoidal sliding block 7, relative sliding between the upper trapezoidal sliding block 7 and the lower trapezoidal sliding block 6 is facilitated through arrangement of the guide balls, and therefore protection buffering of the protection top plate 10 is facilitated;
after will installing mount pad fixed mounting in suitable position through outside bolt assembly, accomplish this stainless steel block terminal body 1's installation, it has object whereabouts contact protection roof 10 in the eminence in the use, protection roof 10 makes the impact force that it received transmit for connecting rod 8 through link 9, trapezoidal slider 7 and lower trapezoidal slider 8 produce the relative slip on making, through the relative slip of two trapezoidal sliders 8 down, make spring 5 produce deformation, and then can the impact force carry out effectual buffering.
Example 2:
the scheme of example 1 is further described below in conjunction with specific working modes, which are described in detail below:
as shown in fig. 5, as a preferred embodiment, on the basis of the above manner, further, the connection reinforcing mechanism 13 includes positioning seats 1301 fixedly connected to opposite sides of the two connecting frames 9, and opposite sides of the two positioning seats 1301 are fixedly connected with connecting straight rods 1302 together through bolts;
through the setting of connecting straight-bar 1302, can realize the joint support to between two link 9 through the positioning seat 1301 at its both ends to when can improving the buffering of buffering protection mechanism, the relatively stable between two link 9.
As shown in fig. 2 and 4, in addition to the above-mentioned embodiments, the stabilizing mechanism further includes a mounting plate 1401 fixedly mounted on both sides of the upper surface of the stainless steel distribution box body 1 by bolts, a main plate 1402 is slidably inserted into both sides of the surface of the mounting plate 1401, a limit bolt 1403 for limiting the main plate 1402 is connected to the surface of the mounting plate 1401 by a screw thread, a sub-plate 1404 is slidably inserted into the upper surface of the main plate 1402, and one end of the sub-plate 1404 away from the main plate 1402 is fixedly connected to the lower surface of the protection top plate 10;
the limiting bolt 1403 is rotated to enable one end of the limiting bolt to abut against the surface of the main plate 1402, so that the height of the main plate 1402 can be fixed, and the mounting height of the protective top plate 10 can be adjusted according to different conditions;
when protection roof 10 moves down and cushions the impulsive force, subplate 1404 slides in step with mainboard 1402 to overall stability when being favorable to improving protection roof 10 activity from top to bottom makes last trapezoidal slider 7 on the connecting rod 8 can produce better relative slip with lower trapezoidal slider 6, is favorable to guaranteeing the holistic buffering effect of the device.
As shown in fig. 1, 2, 3, 4, 5, and 6, as a preferred embodiment, in addition to the above-mentioned embodiment, the rain shielding mechanism 15 further includes a rain shielding plate 1501 horizontally slidably installed inside the storage tank 12, a second guiding groove 1502 is formed on the surface of the rain shielding plate 1501, and both sides of the front surface of the rain shielding plate 1501 are fixedly connected with a handle;
through the setting of handle, made things convenient for taking out and the reseing after using of weather shield 1501 outward, second guiding gutter 1502 can carry out the water conservancy diversion to the rainwater, makes its input accomodate the inslot 12 and flow through the rear portion of stainless steel block terminal body 1, realizes the water conservancy diversion to the rainwater, and weather shield 1501 can carry out the separation to the rainwater to be favorable to the staff to maintain the operation to 1 inside stainless steel block terminal body when opening chamber door 2.
As shown in fig. 1 and fig. 6, as a preferred embodiment, in addition to the above-mentioned mode, the adjusting mechanism 16 further includes a cover 1601 fixedly connected to the surface of the protective roof 10, a rotating column 1602 is rotatably connected to the inner top wall of the cover 1601, a positioning screw 1603 is threadedly connected inside the rotating column 1602, a stabilizing block 1604 is fixedly connected to the surface of the positioning screw 1603, the outer side of the stabilizing block 1604 is slidably connected to the inner wall of the cover 1601, and only the positioning screw 1603 and the inside of the cover 1601 can horizontally slide up and down by the arrangement of the stabilizing block 1604;
the rotation column 1602 is rotated to form a thread fit with the positioning screw 1603, so that one end of the positioning screw 1603 can abut against the surface of the rain shield 1501, the position of the rain shield 1501 can be limited, and the rain shield is not easy to slide when being pulled out or reset.
Example 3:
the schemes of example 1 and example 2 are further described below in conjunction with specific working examples, which are described in detail below:
specifically, this explosion-proof stainless steel block terminal is when using:
1. when an object at a high position falls and contacts the protective top plate 10, the protective top plate 10 transmits the impact force applied to the protective top plate to the connecting rod 8 through the connecting frame 9, so that the upper trapezoidal sliding block 7 and the lower trapezoidal sliding block 6 slide relatively, the spring 5 deforms, the impact force can be effectively buffered, and when the protective top plate 10 blocks rainwater in rainy days, the first diversion trench 11 can conduct diversion and drainage on the rainwater;
2. when raining and needing to maintain stainless steel distribution box body 1, take out weather shield 1501 outward, rotate rotation post 1602, make positioning screw 1603's one end contradict in weather shield 1501's surface to can protect the staff before chamber door 2, and cooperate the setting of second guiding gutter 1502, make it carry out the separation water conservancy diversion to the rainwater, and then be favorable to staff's maintenance operation.
The above embodiments are only used to illustrate the present invention and not to limit the technical solutions described in the present invention, and although the present invention has been described in detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and therefore, any modification or equivalent replacement may be made to the present invention; all such modifications and variations are intended to be included herein within the scope of this disclosure and the present invention and protected by the following claims.
Claims (8)
1. An explosion-proof stainless steel distribution box comprises a stainless steel distribution box body (1), a box door (2) movably mounted on the front side of the stainless steel distribution box body (1) through a hinge, and a mounting seat (3) fixedly mounted on the lower surface of the stainless steel distribution box body (1) and used for positioning the stainless steel distribution box body (1), and is characterized in that a buffering protection mechanism is mounted in the middle of the upper surface of the stainless steel distribution box body (1), a rain shielding mechanism (15) is arranged inside the buffering protection mechanism, and stabilizing mechanisms (14) are fixedly mounted on two sides of the upper surface of the stainless steel distribution box body (1) through bolts;
buffer protection mechanism includes casing (4) of fixed mounting in stainless steel block terminal body (1) upper surface, the equal fixedly connected with spring (5) in both sides of casing (4) inside, trapezoidal slider (6) under the one end fixedly connected with of spring (5), the surface slip of trapezoidal slider (6) is equipped with trapezoidal slider (7) down, go up last fixed surface of trapezoidal slider (7) and be connected with connecting rod (8), the one end fixedly connected with link (9) of connecting rod (8), there is protection roof (10) on the surface of link (9) through bolt fixed mounting, the surface of link (9) is equipped with connects strengthening mechanism (13), the positive fixedly connected with of protection roof (10) is used for carrying out spacing adjustment mechanism (16) to rain-sheltering mechanism (15).
2. The explosion-proof stainless steel distribution box of claim 1, wherein the buffer protection mechanism further comprises a first diversion trench (11) formed in the surface of the protection top plate (10), and a storage trench (12) for storing the rain shielding mechanism (15) is formed in the protection top plate (10).
3. An explosion-proof stainless steel electric distribution box according to claim 2, characterized in that said connection reinforcing mechanism (13) comprises positioning seats (1301) fixedly connected to opposite sides of two connecting frames (9), and opposite sides of two positioning seats (1301) are fixedly connected with connecting straight rods (1302) through bolts.
4. The explosion-proof stainless steel distribution box of claim 1, wherein the stabilizing mechanism comprises mounting plates (1401) fixedly mounted on two sides of the upper surface of the stainless steel distribution box body (1) through bolts, main plates (1402) are slidably inserted into two sides of the surface of each mounting plate (1401), limit bolts (1403) used for limiting the main plates (1402) are connected to the surfaces of the mounting plates (1401) in a threaded mode, auxiliary plates (1404) are slidably inserted into the upper surfaces of the main plates (1402), and one ends, far away from the main plates (1402), of the auxiliary plates (1404) are fixedly connected to the lower surface of the protective top plate (10).
5. The explosion-proof stainless steel distribution box of claim 2, wherein the rain shielding mechanism (15) comprises a rain shielding plate (1501) horizontally and slidably installed inside the accommodating groove (12), a second diversion groove (1502) is formed in the surface of the rain shielding plate (1501), and handles are fixedly connected to both sides of the front surface of the rain shielding plate (1501).
6. An explosion proof stainless steel electrical box according to claim 1, characterized in that the adjusting mechanism (16) comprises a housing (1601) fixedly connected to the surface of the top shielding plate (10), and the inner top wall of the housing (1601) is rotatably connected with a rotating column (1602).
7. An explosion-proof stainless steel distribution box according to claim 6, characterized in that the inner thread of the rotating column (1602) is connected with a positioning screw rod (1603), the surface of the positioning screw rod (1603) is fixedly connected with a stabilizing block (1604), and the outer side of the stabilizing block (1604) is slidably connected with the inner wall of the cover body (1601).
8. An explosion-proof stainless steel distribution box according to claim 1, characterized in that the lower trapezoidal slider (6) is horizontally slidably mounted inside the housing (4), the upper trapezoidal slider (7) is horizontally slidably connected with the housing (4) up and down, and a guide ball is movably mounted on the surface of the upper trapezoidal slider (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221891178.6U CN217823875U (en) | 2022-07-21 | 2022-07-21 | Explosion-proof stainless steel block terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221891178.6U CN217823875U (en) | 2022-07-21 | 2022-07-21 | Explosion-proof stainless steel block terminal |
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| Publication Number | Publication Date |
|---|---|
| CN217823875U true CN217823875U (en) | 2022-11-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221891178.6U Active CN217823875U (en) | 2022-07-21 | 2022-07-21 | Explosion-proof stainless steel block terminal |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117096754A (en) * | 2023-10-19 | 2023-11-21 | 国网河南省电力公司延津县供电公司 | Energy storage power supply device with protector |
-
2022
- 2022-07-21 CN CN202221891178.6U patent/CN217823875U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117096754A (en) * | 2023-10-19 | 2023-11-21 | 国网河南省电力公司延津县供电公司 | Energy storage power supply device with protector |
| CN117096754B (en) * | 2023-10-19 | 2024-01-09 | 国网河南省电力公司延津县供电公司 | Energy storage power supply device with protector |
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