CN210722851U - Layer floodgate case of protection against electric shock - Google Patents

Layer floodgate case of protection against electric shock Download PDF

Info

Publication number
CN210722851U
CN210722851U CN201921505003.5U CN201921505003U CN210722851U CN 210722851 U CN210722851 U CN 210722851U CN 201921505003 U CN201921505003 U CN 201921505003U CN 210722851 U CN210722851 U CN 210722851U
Authority
CN
China
Prior art keywords
plate
electric shock
protective
brake box
front surface
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201921505003.5U
Other languages
Chinese (zh)
Inventor
解光传
卢洋洋
卢立红
马天旭
滕双
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tianjin Chuanghui Jinkong Technology Development Co ltd
Original Assignee
Tianjin Chuanghui Jinkong Technology Development Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tianjin Chuanghui Jinkong Technology Development Co ltd filed Critical Tianjin Chuanghui Jinkong Technology Development Co ltd
Priority to CN201921505003.5U priority Critical patent/CN210722851U/en
Application granted granted Critical
Publication of CN210722851U publication Critical patent/CN210722851U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Patch Boards (AREA)

Abstract

The utility model provides a layer floodgate case of protection against electric shock, including floodgate case, guard gate, protection strip, protection against electric shock outage alarm structure, buffering support protection seat structure, grafting protection outage maintenance pole structure, protection piece, observation piece, handle, tool maintenance case, upper junction plate, branch, lower connecting plate, upper mounting hole and lower mounting hole, guard gate hinge connect on the right side of floodgate case; the protective strip is glued in the middle of the inside of the protective door; the electric shock and power failure prevention alarm structure is arranged at the upper part of the brake box; the buffer support protection seat structure is arranged at the lower part of the brake box. The installation plate, the ear plate, the fixing hole, the protective shell, the alternating current contactor, the alarm, the connecting sheet and the marking plate are arranged, so that the function of electric shock prevention and power off alarm of the layer brake box is favorably added; the bottom plate, the slide bar, the slider, the fixed plate, buffering spring and base are favorable to increasing the function that layer floodgate case supported the installation.

Description

Layer floodgate case of protection against electric shock
Technical Field
The utility model belongs to the technical field of the layer floodgate case, especially, relate to a layer floodgate case of protection against electric shock.
Background
The electric switch refers to a relatively large power switch, an electric leakage protection switch and a switch blade. The switch device is mainly used for isolating a power supply and switching over, communicating and cutting off a small current circuit and has no arc extinguishing function. When the electric brake is in the separating position, the insulation distance and the obvious disconnection mark which meet the specified requirements are arranged between the contacts; in the closed position, the switch device can carry current under normal loop conditions and current under abnormal conditions (such as short circuit) within a specified time, and the switch needs to be matched with a switch box for use.
But current layer floodgate case still has not possess the function of protection against electric shock outage warning, supports the single problem that protective effect is poor when the mounting means is single and the maintenance.
Therefore, it is necessary to invent a layer brake box for preventing electric shock.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a layer floodgate case of protection against electric shock to solve current layer floodgate case and do not possess the function that the outage of protection against electric shock was reported to the police, support the problem that the protecting effect is poor when the mounting means is single and the maintenance. An electric shock prevention layer brake box comprises a brake box body, a protective door, a protective strip, an electric shock prevention power-off alarm structure, a buffering and supporting protective seat structure, an inserting protective power-off maintenance rod structure, a protective sheet, an observation sheet, a handle, a tool maintenance box, an upper connecting plate, a supporting rod, a lower connecting plate, an upper mounting hole and a lower mounting hole, wherein the protective door is hinged to the right side of the brake box body; the protective strip is glued in the middle of the inside of the protective door; the electric shock and power failure prevention alarm structure is arranged at the upper part of the brake box; the buffer support protection seat structure is arranged at the lower part of the brake box; the plug-in protection power-off maintenance rod structure is arranged on the left side of the brake box; the protective sheet is embedded in the middle of the upper part of the front surface of the protective door; the observation sheet is embedded in the middle of the front surface of the protection sheet; the handle screw is connected to the middle position on the right side of the front surface of the protective door; the tool maintenance box is placed in the middle of the lower part of the inner side of the brake box; the upper connecting plate is sequentially connected to the middle position in the brake box through bolts from top to bottom; the supporting rods are respectively connected to the left side and the right side of the bottom of the upper connecting plate through bolts; the lower connecting plate is connected to the lower part of the supporting rod through a bolt; the upper mounting holes are respectively formed in the left side and the right side of the front surface of the upper connecting plate; the lower mounting holes are respectively formed in the left side and the right side of the front surface of the lower connecting plate; the electric shock prevention power-off alarm structure comprises a mounting plate, ear plates, fixing holes, a protective shell, an alternating current contactor, an alarm, connecting sheets and a marking plate, wherein the ear plates are respectively bolted on the left side and the right side of the upper surface of the mounting plate; the fixing hole is formed in the middle of the front surface of the ear plate; the protective shell is connected to the left side of the front surface of the mounting plate through a bolt; the alternating current contactor is connected to the middle position of the lower part of the inner side of the protective shell through a bolt; the alarm is connected to the middle position of the right side of the front surface of the protective shell through a bolt; the connecting piece is connected to the right side of the front surface of the mounting plate through a bolt; the mark plate is glued at the middle position of the front surface of the connecting sheet.
Preferably, the protective door is a stainless steel door; the protection strip specifically adopts a rubber sealing strip.
Preferably, the thickness of the observation piece is set to be six millimeters to eight millimeters; the observation sheet body adopts an acrylic plastic sheet.
Preferably, a rubber layer is glued and connected to the inner wall of the fixing hole.
Preferably, the marking card is a rubber card.
Preferably, the buffer support protection seat structure comprises a bottom plate, slide rods, a slide block, a fixed plate, a buffer spring and a base, wherein the slide rods are respectively connected to the left side and the right side of the bottom plate through bolts; the sliding block is sleeved in the middle of the outer surface of the sliding rod; the fixed plate is connected with the joint of the sliding block and the sliding block through a bolt; one end of the buffer spring is welded at the lower part of the bottom plate, and the other end of the buffer spring is welded at the upper part of the fixing plate; the base is respectively bolted at the four corners of the bottom of the fixed plate.
Preferably, the buffer spring is a stainless steel spring; the fake bride of the buffer spring is sleeved with a PVC soft plastic layer.
Preferably, the bottom of the base is glued with a rubber pad; the bottom of the rubber pad is provided with a straight-line-shaped anti-skid line.
Preferably, the plug-in protection power-off maintenance rod structure comprises a fastening plate, a locking sheet, a holding rod, a protection sleeve, a power transmission hook and a power-off hook, wherein the locking sheet is connected to the lower part of the front surface of the fastening plate through a screw; the holding rod is longitudinally inserted into the upper part of the inner side of the locking sheet; the protective sleeve is sleeved in the middle of the outer surface of the holding rod; the power transmission hook is connected to the upper part of the left side of the holding rod through a bolt; the power-off hook is connected to the left side of the upper surface of the power-on hook through a bolt.
Preferably, the protective sleeve is a silica gel sleeve; the outer surface of the protective sleeve is provided with a straight-line-shaped anti-skid line.
Preferably, the power transmission hook and the power failure hook are stainless steel hooks respectively.
Preferably, the mounting plate is connected with the brake box through bolts; the bottom plate is connected with the brake box through bolts; the fastening plate is connected with the brake box through bolts.
Preferably, the alternating current contactor is electrically connected with the alarm.
Preferably, the alternating current contactor is an alternating current contactor with a model number CJX 2; the alarm is specifically an alarm with the model number ss-168.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses in, mounting panel, otic placode, fixed orifices, protecting crust, ac contactor, the alarm, the setting of connection piece and mark tablet is favorable to increasing the function that layer floodgate case protection against electric shock outage was reported to the police.
2. The utility model discloses in, bottom plate, slide bar, slider, fixed plate, buffering spring and base, be favorable to increasing the function that layer floodgate case supported the installation.
3. The utility model discloses in, mounting plate, stay, the lag, the setting of power transmission hook and outage hook is favorable to increasing the effect that layer floodgate case maintenance protected.
4. In the utility model, the protective door is a stainless steel door; the protection strip specifically adopt rubber sealing strip, be favorable to preventing that the guard gate from rustting and damaging, the compactness between multiplicable floodgate case and the guard gate simultaneously.
5. In the utility model, the thickness of the observation sheet is set to be six to eight millimeters; the observation piece body adopt the ya keli plastic sheet, be favorable to observing the inside of floodgate case.
6. The utility model discloses in, the inner wall rubberizing of fixed orifices connect the rubber layer, be favorable to how tightness between a layer of floodgate case wall.
7. In the utility model, the buffer spring is a stainless steel spring; the PVC soft plastic layer is sleeved on the fake bride of the buffer spring, so that the buffer spring is prevented from rusting and breaking.
8. In the utility model, the bottom of the base is glued with a rubber pad; the bottom of rubber pad be provided with the antiskid line of a straight line, be favorable to preventing that layer floodgate case from skidding.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the electric shock prevention power-off alarm structure of the present invention.
Fig. 3 is a schematic structural view of the buffering supporting protection seat structure of the present invention.
Fig. 4 is a schematic structural view of the insertion protection power-off maintenance rod structure of the present invention.
In the figure:
1. a brake box; 2. a protective door; 3. a protective strip; 4. an electric shock prevention power-off alarm structure; 41. Mounting a plate; 42. an ear plate; 43. a fixing hole; 44. a protective shell; 45. an AC contactor; 46. An alarm; 47. connecting sheets; 48. a marking plate; 5. a buffer support protection seat structure; 51. A base plate; 52. a slide bar; 53. a slider; 54. a fixing plate; 55. a buffer spring; 56. a base; 6. inserting a protective power-off maintenance rod structure; 61. a fastening plate; 62. a locking piece; 63. a holding rod; 64. a protective sleeve; 65. a power transmission hook; 66. a power-off hook; 7. a protective sheet; 8. an observation sheet; 9. a handle; 10. a tool maintenance kit; 11. an upper connecting plate; 12. a strut; 13. a lower connecting plate; 14. an upper mounting hole; 15. and a lower mounting hole.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
example (b):
as shown in figures 1 to 4
The utility model provides an electric shock prevention layer brake box, which comprises a brake box 1, a protective door 2, a protective strip 3, an electric shock prevention power-off alarm structure 4, a buffering supporting protective seat structure 5, an inserting protective power-off maintenance rod structure 6, a protective sheet 7, an observation sheet 8, a handle 9, a tool maintenance box 10, an upper connecting plate 11, a supporting rod 12, a lower connecting plate 13, an upper mounting hole 14 and a lower mounting hole 15, wherein the protective door 2 is hinged on the right side of the brake box 1; the protective strip 3 is glued in the middle of the inner part of the protective door 2; the electric shock prevention and power off alarm structure 4 is arranged at the upper part of the brake box 1; the buffer support protection seat structure 5 is arranged at the lower part of the brake box 1; the plug-in protection power-off maintenance rod structure 6 is arranged on the left side of the brake box 1; the protective sheet 7 is embedded in the middle of the upper part of the front surface of the protective door 2; the observation sheet 8 is embedded in the middle of the front surface of the protection sheet 7; the handle 9 is connected to the middle position on the right side of the front surface of the protective door 2 through a screw; the tool maintenance box 10 is placed in the middle of the lower part of the inner side of the brake box 1; the upper connecting plate 11 is sequentially connected to the middle position in the brake box 1 through bolts from top to bottom; the supporting rods 12 are respectively connected with the left side and the right side of the bottom of the upper connecting plate 11 through bolts; the lower connecting plate 13 is connected to the lower part of the supporting rod 12 through bolts; the upper mounting holes 14 are respectively formed in the left side and the right side of the front surface of the upper connecting plate 11; the lower mounting holes 15 are respectively formed in the left side and the right side of the front surface of the lower connecting plate 13; the electric shock prevention power-off alarm structure 4 comprises a mounting plate 41, ear plates 42, fixing holes 43, a protective shell 44, an alternating current contactor 45, an alarm 46, a connecting sheet 47 and a marking plate 48, wherein the ear plates 42 are respectively bolted on the left side and the right side of the upper surface of the mounting plate 41; the fixing hole 43 is arranged in the middle of the front surface of the ear plate 42; the protective shell 44 is bolted on the left side of the front surface of the mounting plate 41; the alternating current contactor 45 is connected to the middle position of the lower part of the inner side of the protective shell 44 through a bolt; the alarm 46 is bolted in the middle of the right side of the front surface of the protective shell 44; the connecting piece 47 is connected to the right side of the front surface of the mounting plate 41 through bolts; the label 48 is glued to the middle of the front surface of the connecting piece 47.
In the above embodiment, specifically, the protective door 2 is a stainless steel door; the protection strip 3 specifically adopts a rubber sealing strip.
In the above embodiment, specifically, the thickness of the observation sheet 8 is set to six to eight millimeters; the observation sheet 8 specifically adopts an acrylic plastic sheet.
In the above embodiment, specifically, a rubber layer is glued to the inner wall of the fixing hole 43.
In the above embodiment, the marking plate 48 is specifically made of rubber plates.
In the above embodiment, specifically, the buffering support protection seat structure 5 includes a bottom plate 51, a sliding rod 52, a sliding block 53, a fixing plate 54, a buffering spring 55 and a base 56, where the sliding rod 52 is respectively bolted to the left and right sides of the bottom plate 51; the sliding block 53 is sleeved at the middle position of the outer surface of the sliding rod 52; the fixed plate 54 is connected with the connecting position of the sliding block 53 and the sliding block 53 through bolts; one end of the buffer spring 55 is welded on the lower part of the bottom plate 51, and the other end is welded on the upper part of the fixing plate 54; the base 56 is respectively bolted at four corners of the bottom of the fixing plate 54.
In the above embodiment, specifically, the buffer spring 55 is a stainless steel spring; the outer surface of the buffer spring 55 is sleeved with a PVC soft plastic layer.
In the above embodiment, specifically, the bottom of the base 56 is glued with a rubber pad; the bottom of the rubber pad is provided with a straight-line-shaped anti-skid line.
In the above embodiment, specifically, the plug-in protection power-off maintenance rod structure 6 includes a fastening plate 61, a locking piece 62, a holding rod 63, a protecting sleeve 64, a power feeding hook 65 and a power-off hook 66, where the locking piece 62 is screwed to the lower portion of the front surface of the fastening plate 61; the holding rod 63 is longitudinally inserted into the upper part of the inner side of the locking sheet 62; the protecting sleeve 64 is sleeved in the middle of the outer surface of the holding rod 63; the power transmission hook 65 is connected to the upper part of the left side of the holding rod 63 through a bolt; the power-off hook 66 is bolted to the left side of the upper surface of the power-feeding hook 65.
In the above embodiment, specifically, the protective sleeve 64 specifically adopts a silica gel sleeve; the outer surface of the protective sleeve 64 is provided with a straight-line-shaped anti-slip pattern.
In the above embodiment, specifically, the power feeding hook 65 and the power cutoff hook 66 are stainless steel hooks, respectively.
In the above embodiment, specifically, the mounting plate 41 is connected to the brake box 1 by bolts; the bottom plate 51 is connected with the brake box 1 through bolts; the fastening plate 61 is connected with the brake box 1 through bolts.
In the above embodiment, specifically, the ac contactor 45 is electrically connected to the alarm 46.
In the above embodiment, specifically, the ac contactor 45 specifically adopts an ac contactor with model number CJX 2; the alarm 46 is specifically an alarm with the model number ss-168.
Principle of operation
When the utility model is used, firstly, the layer brake box is moved to the position where the protective electric brake needs to be installed, then one end of the electric brake is connected to the AC contactor 45, then the other end of the electric brake is connected to the external AC to be used, in the process of using the layer brake box, when the electric brake in the brake box 1 leaks electricity or is powered off, the alarm 46 can be started by the backup power supply on the AC contactor 45 to give an alarm, so that the worker can disconnect the external power supply to maintain, in the process of using the layer brake box, the layer brake box can be hung, installed and fixed by the ear plate 42 matched with the fixing hole 43, meanwhile, the layer brake box can be supported and fixed on the ground by the fixing plate 54 matched with the buffer spring 55 and the base 56, in the process of using the left layer brake box on the ground, the buffer spring 55 can play a role of buffer protection on the brake box 1, after the electric brake in the layer brake box is maintained, the grip 63 is taken down, the switch in the layer gate box is switched off by the power-off hook 66, then the external alternating current is switched on, and then the grip 63 is held by hand again, and the power supply of the switch in the gate box 1 can be switched on by the power-supply hook 65.
Utilize technical scheme, or technical personnel in the field are in the utility model discloses under technical scheme's the inspiration, design similar technical scheme, and reach above-mentioned technological effect, all fall into the utility model discloses a protection scope.

Claims (10)

1. The electric shock prevention layer brake box is characterized by comprising a brake box (1), a protective door (2), a protective strip (3), an electric shock prevention power-off alarm structure (4), a buffering supporting protective seat structure (5), an inserting protective power-off maintenance rod structure (6), a protective sheet (7), an observation sheet (8), a handle (9), a tool maintenance box (10), an upper connecting plate (11), a supporting rod (12), a lower connecting plate (13), an upper mounting hole (14) and a lower mounting hole (15), wherein the protective door (2) is hinged to the right side of the brake box (1); the protective strip (3) is glued in the middle of the inner part of the protective door (2); the electric shock prevention and power off alarm structure (4) is arranged at the upper part of the brake box (1); the buffer support protection seat structure (5) is arranged at the lower part of the brake box (1); the plug-in protection power-off maintenance rod structure (6) is arranged on the left side of the brake box (1); the protective sheet (7) is embedded in the middle of the upper part of the front surface of the protective door (2); the observation sheet (8) is embedded in the middle of the front surface of the protection sheet (7); the handle (9) is connected to the middle position of the right side of the front surface of the protective door (2) through a screw; the tool maintenance box (10) is placed in the middle of the lower part of the inner side of the brake box (1); the upper connecting plate (11) is sequentially connected to the middle position in the brake box (1) through bolts from top to bottom; the supporting rods (12) are respectively connected to the left side and the right side of the bottom of the upper connecting plate (11) through bolts; the lower connecting plate (13) is connected to the lower part of the support rod (12) through bolts; the upper mounting holes (14) are respectively formed in the left side and the right side of the front surface of the upper connecting plate (11); the lower mounting holes (15) are respectively formed in the left side and the right side of the front surface of the lower connecting plate (13); the electric shock prevention power-off alarm structure (4) comprises a mounting plate (41), ear plates (42), fixing holes (43), a protective shell (44), an alternating current contactor (45), an alarm (46), a connecting sheet (47) and a mark plate (48), wherein the ear plates (42) are respectively connected to the left side and the right side of the upper surface of the mounting plate (41) through bolts; the fixing hole (43) is formed in the middle of the front surface of the ear plate (42); the protective shell (44) is connected to the left side of the front surface of the mounting plate (41) through bolts; the alternating current contactor (45) is connected to the middle position of the lower part of the inner side of the protective shell (44) through a bolt; the alarm (46) is connected to the middle position of the right side of the front surface of the protective shell (44) through a bolt; the connecting piece (47) is connected to the right side of the front surface of the mounting plate (41) through bolts; the marking plate (48) is glued at the middle position of the front surface of the connecting piece (47).
2. The electric shock protection layer brake box according to claim 1, characterized in that the protection door (2) is a stainless steel door; the protective strip (3) is a rubber sealing strip.
3. The electric shock resistant laminar brake chamber according to claim 1, characterized in that the thickness of the said observation sheet (8) is set to six to eight mm; the observation sheet (8) is specifically made of an acrylic plastic sheet.
4. The electric shock resistant laminar brake chamber according to claim 1, characterized in that a rubber layer is glued to the inner wall of the fixing hole (43).
5. The electric shock resistant laminar brake chamber according to claim 1, characterized in that the marking plate (48) is a rubber plate.
6. The anti-electric shock layer brake box according to claim 1, characterized in that the buffer support protection seat structure (5) comprises a bottom plate (51), a sliding rod (52), a sliding block (53), a fixed plate (54), a buffer spring (55) and a base (56), wherein the sliding rod (52) is respectively bolted on the left side and the right side of the bottom plate (51); the sliding block (53) is sleeved at the middle position of the outer surface of the sliding rod (52); the fixed plate (54) is connected with the connecting part of the sliding block (53) and the sliding block (53) through bolts; one end of the buffer spring (55) is welded at the lower part of the bottom plate (51), and the other end is welded at the upper part of the fixing plate (54); the base (56) is respectively bolted at the four corners of the bottom of the fixed plate (54).
7. The electric shock resistant laminar brake chamber according to claim 6, characterized in that the damping spring (55) is a stainless steel spring; the outer surface of the buffer spring (55) is sleeved with a PVC soft plastic layer.
8. The electric shock resistant laminar brake chamber according to claim 6, characterized in that a rubber pad is glued to the bottom of the base (56); the bottom of the rubber pad is provided with a straight-line-shaped anti-skid line.
9. The electric shock protection layer brake box according to claim 1, wherein the plug-in protection power-off maintenance rod structure (6) comprises a fastening plate (61), a locking piece (62), a holding rod (63), a protecting sleeve (64), a power transmission hook (65) and a power-off hook (66), wherein the locking piece (62) is connected to the lower part of the front surface of the fastening plate (61) in a screw mode; the holding rod (63) is longitudinally inserted into the upper part of the inner side of the locking sheet (62); the protective sleeve (64) is sleeved in the middle of the outer surface of the holding rod (63); the power transmission hook (65) is connected to the upper part of the left side of the holding rod (63) through a bolt; the power-off hook (66) is connected to the left side of the upper surface of the power transmission hook (65) through a bolt.
10. The electric shock protection layer brake box according to claim 9, wherein the protective sleeve (64) is a silicone sleeve; the outer surface of the protective sleeve (64) is provided with a linear anti-skid grain.
CN201921505003.5U 2019-09-11 2019-09-11 Layer floodgate case of protection against electric shock Active CN210722851U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921505003.5U CN210722851U (en) 2019-09-11 2019-09-11 Layer floodgate case of protection against electric shock

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921505003.5U CN210722851U (en) 2019-09-11 2019-09-11 Layer floodgate case of protection against electric shock

Publications (1)

Publication Number Publication Date
CN210722851U true CN210722851U (en) 2020-06-09

Family

ID=70933654

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921505003.5U Active CN210722851U (en) 2019-09-11 2019-09-11 Layer floodgate case of protection against electric shock

Country Status (1)

Country Link
CN (1) CN210722851U (en)

Similar Documents

Publication Publication Date Title
CN205016710U (en) Take earth connection of nearly electric alarm ware
CN210722851U (en) Layer floodgate case of protection against electric shock
CN109980551A (en) Power equipment temperature controlling alarm
CN108321065A (en) A kind of fuse switch on-Line Monitor Device
CN217181584U (en) Stacker-reclaimer entrance guard calling device for coal wharf
CN214542945U (en) Intelligent high-low voltage power distribution cabinet with remote power monitoring function
CN204102759U (en) A kind of press button protecting device
CN210273594U (en) UPS power cabinet
CN210608106U (en) Pump station switch board
CN111627765A (en) External circuit breaker of electric energy meter
CN205453077U (en) Small dimension valve electric actuator's power protection devices
CN215551466U (en) Flexible thermal protection material
CN204855605U (en) Ammeter case of baffle can be dismantled in area
CN210039866U (en) Transformer breather capable of keeping oil seal in oil collecting cup constant temperature
CN204923208U (en) Dirt cleaning device for heat supply pipeline
CN214153566U (en) Power distribution device based on intelligent system
CN214411890U (en) Wall-hanging building forceful electric power block terminal convenient to installation
CN210111387U (en) Wall-hanging block terminal convenient to installation
CN210405850U (en) Security protection equipment assembly box
CN214539946U (en) Battery management and detection device for electric automobile
CN217740464U (en) Fuse combined structure with vacuum load switch
CN216900759U (en) Alternating current voltage loss alarm device for direct current screen of transformer substation
CN218471862U (en) Circuit breaker convenient to installation
CN213636787U (en) Power transformation operation and maintenance safety alarm device
CN218215176U (en) Constant current power supply safety protection circuit breaker

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant