CN115459081A - Protection device of electric power metering equipment - Google Patents

Protection device of electric power metering equipment Download PDF

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Publication number
CN115459081A
CN115459081A CN202211243454.2A CN202211243454A CN115459081A CN 115459081 A CN115459081 A CN 115459081A CN 202211243454 A CN202211243454 A CN 202211243454A CN 115459081 A CN115459081 A CN 115459081A
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CN
China
Prior art keywords
fixedly connected
spring
protective housing
electric power
power metering
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.)
Pending
Application number
CN202211243454.2A
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Chinese (zh)
Inventor
刘晓君
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.)
Individual
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN202211243454.2A priority Critical patent/CN115459081A/en
Publication of CN115459081A publication Critical patent/CN115459081A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/26Casings; Parts thereof or accessories therefor
    • H02B1/28Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62CFIRE-FIGHTING
    • A62C3/00Fire prevention, containment or extinguishing specially adapted for particular objects or places
    • A62C3/16Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62CFIRE-FIGHTING
    • A62C31/00Delivery of fire-extinguishing material
    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62CFIRE-FIGHTING
    • A62C31/00Delivery of fire-extinguishing material
    • A62C31/28Accessories for delivery devices, e.g. supports
    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62CFIRE-FIGHTING
    • A62C37/00Control of fire-fighting equipment
    • A62C37/08Control of fire-fighting equipment comprising an outlet device containing a sensor, or itself being the sensor, i.e. self-contained sprinklers
    • A62C37/10Releasing means, e.g. electrically released
    • A62C37/11Releasing means, e.g. electrically released heat-sensitive
    • A62C37/14Releasing means, e.g. electrically released heat-sensitive with frangible vessels
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05CBOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
    • E05C19/00Other devices specially designed for securing wings, e.g. with suction cups
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/26Casings; Parts thereof or accessories therefor
    • H02B1/46Boxes; Parts thereof or accessories therefor
    • H02B1/48Mounting of devices therein
    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62CFIRE-FIGHTING
    • A62C99/00Subject matter not provided for in other groups of this subclass
    • A62C99/0009Methods of extinguishing or preventing the spread of fire by cooling down or suffocating the flames
    • A62C99/0018Methods of extinguishing or preventing the spread of fire by cooling down or suffocating the flames using gases or vapours that do not support combustion, e.g. steam, carbon dioxide
    • A62C99/0027Carbon dioxide extinguishers

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  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Casings For Electric Apparatus (AREA)

Abstract

The invention discloses a protection device of electric power metering equipment, which comprises a protection box, a box cover, a glass plate, a mounting seat, a heat conducting seat, an ammeter, an automatic fire extinguishing mechanism, an air inlet automatic closing mechanism, a quick door opening mechanism, a partition plate, a heat dissipation fan, a carbon dioxide gas cylinder, a gas conveying pipe and an air filling cover. The invention relates to a protective device of electric power metering equipment, which has the characteristics of automatic fire extinguishing and convenient opening of a box cover.

Description

Protection device of electric power metering equipment
Technical Field
The invention belongs to the technical field of electric power equipment protection devices, and particularly relates to a protection device of electric power metering equipment.
Background
The invention discloses a protection device of electric power metering equipment, which comprises a base, wherein the top of the base is fixedly connected with a protection cover, the bottom of the inner side of the protection cover is provided with two mounting assemblies, a fixing plate is fixedly connected between the tops of the two mounting assemblies, and the top of the fixing plate is fixedly provided with an electric power metering equipment body; the inner walls of two sides of the protective cover are fixedly connected with connecting components, one side, opposite to the two connecting components, of each connecting component is provided with a sticking pad, the top of the inner side of the protective cover is fixedly connected with a movable frame, a screw rod mechanism is connected in the movable frame, an air outlet nozzle is fixed on the screw rod mechanism, the top of the outer side of the protective cover is fixedly connected with a blower, and an air outlet of the blower penetrates into the protective cover through an air outlet pipe to be communicated with the inside of the air outlet nozzle; this patent still improves accuse temperature efficiency when providing the shell protection, has better high temperature of preventing and prevents the low temperature function, has prolonged electric power metering equipment's life. However, the protection device of the current electric power metering equipment has some problems: 1. the fire is easy to be ignited when the internal circuit of the protection device is short-circuited, the automatic fire extinguishing cannot be carried out inside the protection device, and a large amount of economic loss is easy to cause; 2. when debugging the ammeter, the chamber door is not convenient for open, influences the debugging. Therefore, improvements are needed.
Disclosure of Invention
The invention aims to solve the problems that automatic fire extinguishing is not available and a box door is inconvenient to open in the prior art, and provides a protection device of electric power metering equipment.
The invention provides a technical scheme of a protective device of electric power metering equipment, which comprises the following steps:
the utility model provides an electric power metering equipment's protector, including the protective housing, the case lid, the glass board, the mount pad, the heat conduction seat, the ammeter, the automatic fire extinguishing mechanism, the self-sealing mechanism admits air, quick door opening mechanism, the baffle, the heat dissipation fan, the carbon dioxide gas cylinder, the gas-supply pipe, the air entrainment lid, it has the case lid to articulate on the protective housing, fixedly connected with glass board on the case lid, the inside fixedly connected with mount pad of protective housing, the inside fixedly connected with heat conduction seat of mount pad, be provided with the ammeter on the heat conduction seat, the inside of mount pad is provided with the automatic fire extinguishing mechanism, the inside of protective housing is provided with the self-sealing mechanism that admits air, be provided with quick door opening mechanism on the protective housing, fixedly connected with baffle on the mount pad.
As preferred, fixedly connected with heat dissipation fan on the protective housing, the inside fixedly connected with carbon dioxide gas cylinder of protective housing, fixedly connected with gas-supply pipe on the carbon dioxide gas cylinder are provided with the gas cap on the carbon dioxide gas cylinder, and the gas-supply pipe can provide carbon dioxide gas to the inside of mount pad with the equal fixed connection of protective housing and mount pad.
Preferably, the automatic fire extinguishing mechanism comprises a heat conduction frame, a temperature-sensing glass tube, a sealing frame, a guide rod and a spring I, the heat conduction frame is fixedly connected to a heat conduction seat, the temperature-sensing glass tube is placed on the heat conduction frame, the sealing frame is connected to the inside of an installation seat in a sliding mode, the guide rod is fixedly connected to the inside of the installation seat, the spring I is arranged on the outer side of the guide rod, the sealing frame is connected with the guide rod in a sliding mode, the temperature-sensing glass tube is in contact with the installation seat and the sealing frame, the sealing frame is in contact with the heat conduction seat, the temperature of flame is transmitted to the temperature-sensing glass tube through the heat conduction frame, when the temperature reaches the critical value of the temperature-sensing glass tube, the temperature-sensing glass tube is broken, the limit of the sealing frame is removed after the temperature-sensing glass tube is broken, the spring I which is originally compressed is reset, the spring I drives the sealing frame to be separated from a notch, carbon dioxide gas in the carbon dioxide gas cylinder is sprayed on the surface of the ammeter through an outlet in the installation seat, oxygen can be separated while the temperature of the ammeter, and accordingly flame combustion can be avoided from causing a large amount of economic loss.
Preferably, one end of the first spring is fixedly connected with the sealing frame, the other end of the first spring is fixedly connected with the mounting seat, and the first spring can drive the sealing frame to automatically reset through elasticity.
As preferred, the self-sealing mechanism admits air includes the leading truck, the closing plate, the filter screen, the extension spring, the electro-magnet, the inlet port, the inside fixedly connected with leading truck of protective housing, the inside sliding connection of leading truck has the closing plate, fixedly connected with filter screen on the closing plate, the inside of protective housing is provided with the extension spring, the inside fixedly connected with electro-magnet of protective housing, the inlet port has been seted up on the protective housing, filter screen and closing plate all with protective housing sliding connection, the output and the closing plate contact of electro-magnet, the magnetic force of electro-magnet disappears, the extension spring resets, the extension spring can drive the closing plate lapse through elasticity, and block up the inlet port, can avoid the carbon dioxide gas outflow of erupting, increase the inside carbon dioxide gas concentration of protective housing, thereby can continuation avoid burning.
Preferably, one end of the tension spring is fixedly connected with the sealing plate, the other end of the tension spring is fixedly connected with the protective box, and the tension spring can drive the sealing plate to automatically reset through elasticity.
As preferred, quick door-opening mechanism includes the connecting rod, the button, spring two, the joint frame, the inside sliding connection of protective housing has the connecting rod, the one end fixedly connected with button of connecting rod, the outside of connecting rod is provided with spring two, the other end fixedly connected with joint frame of connecting rod, the joint frame all contacts with protective housing and case lid, button and protective housing sliding connection, promote the button to the inside of protective housing, the button drives the joint frame through the connecting rod and removes, and compress spring two, when the joint frame breaks away from the case lid, alright remove the spacing to the case lid, thereby can be convenient open the case lid.
Preferably, one end of the second spring is fixedly connected with the button, the other end of the second spring is fixedly connected with the protective box, and the second spring can drive the clamping frame to automatically reset through elasticity.
The invention has the beneficial effects that: the invention relates to a protective device of electric power metering equipment, which has the characteristics of automatic fire extinguishing and convenient opening of a box cover, and has the following two beneficial effects compared with the conventional protective device of the electric power metering equipment in specific use:
at first, through adding in the inside of protective housing and establishing carbon dioxide gas cylinder, temperature sensing glass pipe and gas-supply pipe isotructure, when the ammeter fracture after firing reaches the temperature rating of temperature sensing glass pipe, temperature sensing glass pipe glass, alright carry out the separation with the inside gas injection of carbon dioxide gas cylinder at the periphery of ammeter to oxygen, can avoid stretching of intensity of a fire to can be isolated through isolating the protective housing, thereby the burning of avoiding flame that can last.
Secondly, through establishing joint frame, button and connecting rod isotructure on the protective housing additional, can drive the joint frame through the elasticity of spring two and carry on spacingly to the case lid, when needs are opened, only need break away from the chamber door with the joint frame and can remove spacingly to the case lid to can be so that the case lid is convenient for open more.
Drawings
For ease of illustration, the invention is described in detail by the following detailed description and the accompanying drawings.
FIG. 1 is a perspective view of the overall construction of the present invention;
FIG. 2 is a top view of FIG. 1 of the present invention;
FIG. 3 is a front cross-sectional view of FIG. 1 of the present invention;
FIG. 4 is an enlarged cross-sectional view of the mount of FIG. 3 of the present invention;
FIG. 5 is an enlarged view of the portion A of FIG. 3 according to the present invention;
FIG. 6 is an enlarged view of the portion B of FIG. 4 according to the present invention;
fig. 7 is an enlarged view of the structure of the portion C of fig. 2 according to the present invention.
In the figure: 1. a protective box; 2. a box cover; 3. a glass plate; 4. a mounting seat; 5. a heat conducting base; 6. an electricity meter; 7. an automatic fire extinguishing mechanism; 8. an intake air automatic closing mechanism; 9. a quick door opening mechanism; 10. a partition plate; 11. a heat dissipation fan; 12. a carbon dioxide cylinder; 13. a gas delivery pipe; 14. an air-adding cover; 71. a heat conducting frame; 72. a temperature-sensitive glass tube; 73. a seal holder; 74. a guide bar; 75. a first spring; 81. a guide frame; 82. a sealing plate; 83. a filter screen; 84. a tension spring; 85. an electromagnet; 86. an air inlet; 91. a connecting rod; 92. a button; 93. a second spring; 94. a clamping frame.
Detailed Description
As shown in fig. 1 to 7, the following technical solutions are adopted in the present embodiment:
example (b):
the utility model provides a protection device of electric power metering equipment, including protective housing 1, the case lid 2, glass board 3, mount pad 4, heat conduction seat 5, the ammeter 6, automatic fire extinguishing mechanism 7, admit air self-sealing mechanism 8, quick opening door mechanism 9, baffle 10, heat dissipation fan 11, carbon dioxide gas cylinder 12, gas-supply pipe 13, the lid 14 of aerifing, it has case lid 2 to articulate on the protective housing 1, fixedly connected with glass board 3 on the case lid 2, protective housing 1's inside fixedly connected with mount pad 4, mount pad 4's inside fixedly connected with heat conduction seat 5, be provided with ammeter 6 on the heat conduction seat 5, mount pad 4's inside is provided with automatic fire extinguishing mechanism 7, protective housing 1's inside is provided with admit air self-sealing mechanism 8, be provided with quick opening door mechanism 9 on protective housing 1, fixedly connected with baffle 10 on the mount pad 4.
Wherein, fixedly connected with heat dissipation fan 11 on the protective housing 1, the inside fixedly connected with carbon dioxide gas cylinder 12 of protective housing 1, fixedly connected with gas-supply pipe 13 on the carbon dioxide gas cylinder 12 is provided with air entrainment lid 14 on the carbon dioxide gas cylinder 12, and gas-supply pipe 13 and protective housing 1 and the equal fixed connection of mount pad 4, gas-supply pipe 13 can provide carbon dioxide gas to the inside of mount pad 4.
The automatic fire extinguishing mechanism 7 comprises a heat conduction frame 71, a temperature sensing glass tube 72, a sealing frame 73, a guide rod 74 and a first spring 75, the heat conduction frame 71 is fixedly connected to a heat conduction seat 5, the temperature sensing glass tube 72 is placed on the heat conduction frame 71, the sealing frame 73 is slidably connected to the inside of an installation seat 4, the guide rod 74 is fixedly connected to the inside of the installation seat 4, the first spring 75 is arranged on the outer side of the guide rod 74, the sealing frame 73 is slidably connected with the guide rod 74, the temperature sensing glass tube 72 is in contact with the installation seat 4 and the sealing frame 73, the sealing frame 73 is in contact with the heat conduction seat 5, the temperature of flames is transmitted to the temperature sensing glass tube 72 through the heat conduction frame 71, when the temperature reaches the critical value of the temperature sensing glass tube 72, the temperature sensing glass tube 72 is broken, the limit of the sealing frame 73 is relieved after the temperature sensing glass tube 72 is broken, the original compressed first spring 75 is reset, the sealing frame 73 is driven to be separated from a gap, carbon dioxide gas in the air bottle 12 is sprayed on the surface of the ammeter 6 through an outlet in the installation seat 4, the oxygen can be separated and cooled, thereby avoiding economic combustion, the economic loss, the loss of the black 8978, and the black glass tube is a large amount of the black 8978.
One end of the first spring 75 is fixedly connected with the sealing frame 73, the other end of the first spring 75 is fixedly connected with the mounting seat 4, and the first spring 75 can drive the sealing frame 73 to automatically reset through elasticity.
Wherein, the self-sealing mechanism 8 that admits air includes leading truck 81, the closing plate 82, the filter screen 83, extension spring 84, electro-magnet 85, inlet port 86, the inside fixedly connected with leading truck 81 of protective housing 1, the inside sliding connection of leading truck 81 has closing plate 82, fixedly connected with filter screen 83 on the closing plate 82, the inside of protective housing 1 is provided with extension spring 84, the inside fixedly connected with electro-magnet 85 of protective housing 1, inlet port 86 has been seted up on the protective housing 1, filter screen 83 and closing plate 82 all with protective housing 1 sliding connection, electro-magnet 85's output and closing plate 82 contact, electro-magnet 85's magnetic force disappears, extension spring 84 resets, extension spring 84 can drive closing plate 82 lapse through elasticity, and block up inlet port 86, can avoid the carbon dioxide gas that erupts to flow out, increase the inside carbon dioxide gas concentration of protective housing 1, thereby can continuation avoid the burning.
One end of the tension spring 84 is fixedly connected with the sealing plate 82, the other end of the tension spring 84 is fixedly connected with the protective box 1, and the tension spring 84 can drive the sealing plate 82 to automatically reset through elasticity.
Wherein, quick mechanism 9 of opening door includes connecting rod 91, button 92, spring two 93, joint frame 94, the inside sliding connection of protective housing 1 has connecting rod 91, the one end fixedly connected with of connecting rod 91 presses the button 92, the outside of connecting rod 91 is provided with spring two 93, the other end fixedly connected with joint frame 94 of connecting rod 91, joint frame 94 and protective housing 1 and case lid 2 all contact, button 92 and 1 sliding connection of protective housing, promote button 92 to the inside of protective housing 1, button 92 drives joint frame 94 through connecting rod 91 and removes, and compress spring two 93, when joint frame 94 breaks away from case lid 2, alright remove spacing to case lid 2, thereby can be convenient open case lid 2.
One end of the second spring 93 is fixedly connected with the button 92, the other end of the second spring 93 is fixedly connected with the protection box 1, and the second spring 93 can drive the clamping frame 94 to automatically reset through elasticity.
The using state of the invention is as follows: after the electric meter 6 is short-circuited and ignited, the temperature of flame transfers heat to the temperature-sensitive glass tube 72 through the heat conduction frame 71, when the temperature reaches the critical value of the temperature-sensitive glass tube 72, the temperature-sensitive glass tube 72 is broken, the limit of the sealing frame 73 is released after the temperature-sensitive glass tube 72 is broken, the originally compressed spring I75 is reset, the spring I75 drives the sealing frame 73 to be separated from a gap, carbon dioxide gas in the carbon dioxide gas bottle 12 is sprayed on the surface of the electric meter 6 through an outlet in the mounting seat 4, and oxygen can be blocked while the carbon dioxide gas is cooled, so that flame combustion can be avoided, and a large amount of economic loss is avoided;
when a fire breaks, the electric wire inside the electric meter 6 is broken, the magnetic force of the electromagnet 85 disappears, the tension spring 84 is reset, the tension spring 84 can drive the sealing plate 82 to slide downwards through elasticity, the air inlet hole 86 is blocked, the ejected carbon dioxide gas can be prevented from flowing out, the concentration of the carbon dioxide gas inside the protective box 1 is increased, and therefore combustion can be continuously avoided;
when case lid 2 is opened to needs, to the inside promotion button 92 of protective housing 1, button 92 drives joint frame 94 through connecting rod 91 and removes to compress two springs 93, when joint frame 94 breaks away from case lid 2, alright remove spacing to case lid 2, thereby can be convenient open case lid 2.

Claims (8)

1. The utility model provides a protection device of electric power metering equipment, includes protecting box (1), case lid (2), glass board (3), mount pad (4), heat conduction seat (5), ammeter (6), automatic fire extinguishing mechanism (7), admit air self-sealing mechanism (8), quick opening door mechanism (9), baffle (10), heat dissipation fan (11), carbon dioxide gas cylinder (12), gas-supply pipe (13), air entrainment lid (14), its characterized in that: the automatic fire extinguishing protective box is characterized in that a box cover (2) is hinged to the protective box (1), a glass plate (3) is fixedly connected to the box cover (2), a mounting seat (4) is fixedly connected to the inside of the protective box (1), a heat conducting seat (5) is fixedly connected to the inside of the mounting seat (4), an electric meter (6) is arranged on the heat conducting seat (5), an automatic fire extinguishing mechanism (7) is arranged inside the mounting seat (4), an air inlet automatic closing mechanism (8) is arranged inside the protective box (1), a quick door opening mechanism (9) is arranged on the protective box (1), and a partition plate (10) is fixedly connected to the mounting seat (4).
2. The protection device of the electric power metering device according to claim 1, characterized in that: fixedly connected with heat dissipation fan (11) on protective housing (1), the inside fixedly connected with carbon dioxide gas cylinder (12) of protective housing (1), fixedly connected with gas-supply pipe (13) on carbon dioxide gas cylinder (12), be provided with air entrainment lid (14) on carbon dioxide gas cylinder (12), gas-supply pipe (13) and protective housing (1) and the equal fixed connection of mount pad (4).
3. The protection device of the electric power metering equipment as claimed in claim 1, wherein: automatic fire extinguishing mechanism (7) are including heat conduction frame (71), temperature sensing glass pipe (72), sealing frame (73), guide arm (74), spring (75), fixedly connected with heat conduction frame (71) on heat conduction seat (5), temperature sensing glass pipe (72) have been placed on heat conduction frame (71), the inside sliding connection of mount pad (4) has sealing frame (73), the inside fixedly connected with guide arm (74) of mount pad (4), the outside of guide arm (74) is provided with spring (75), sealing frame (73) and guide arm (74) sliding connection, temperature sensing glass pipe (72) all contact with mount pad (4) and sealing frame (73), sealing frame (73) and heat conduction seat (5) contact.
4. A protector for an electric power metering apparatus according to claim 3, characterized in that: one end of the first spring (75) is fixedly connected with the sealing frame (73), and the other end of the first spring (75) is fixedly connected with the mounting seat (4).
5. The protection device of the electric power metering equipment as claimed in claim 1, wherein: air inlet automatic closing mechanism (8) includes leading truck (81), closing plate (82), filter screen (83), extension spring (84), electro-magnet (85), inlet port (86), inside fixedly connected with leading truck (81) of protective housing (1), the inside sliding connection of leading truck (81) has closing plate (82), fixedly connected with filter screen (83) is gone up in closing plate (82), the inside of protective housing (1) is provided with extension spring (84), inside fixedly connected with electro-magnet (85) of protective housing (1), inlet port (86) have been seted up on protective housing (1), filter screen (83) and closing plate (82) all with protective housing (1) sliding connection, the output and closing plate (82) the contact of electro-magnet (85).
6. The protection device of the electric power metering device according to claim 5, characterized in that: one end of the tension spring (84) is fixedly connected with the sealing plate (82), and the other end of the tension spring (84) is fixedly connected with the protective box (1).
7. The protection device of the electric power metering device according to claim 1, characterized in that: quick door opening mechanism (9) are including connecting rod (91), button (92), spring two (93), joint frame (94), the inside sliding connection of protective housing (1) has connecting rod (91), the one end fixedly connected with of connecting rod (91) button (92), the outside of connecting rod (91) is provided with spring two (93), the other end fixedly connected with joint frame (94) of connecting rod (91), joint frame (94) all contacts with protective housing (1) and case lid (2), button (92) and protective housing (1) sliding connection.
8. The protection device of the electric power metering equipment as claimed in claim 7, wherein: one end of the second spring (93) is fixedly connected with the button (92), and the other end of the second spring (93) is fixedly connected with the protective box (1).
CN202211243454.2A 2022-10-12 2022-10-12 Protection device of electric power metering equipment Pending CN115459081A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211243454.2A CN115459081A (en) 2022-10-12 2022-10-12 Protection device of electric power metering equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211243454.2A CN115459081A (en) 2022-10-12 2022-10-12 Protection device of electric power metering equipment

Publications (1)

Publication Number Publication Date
CN115459081A true CN115459081A (en) 2022-12-09

Family

ID=84309253

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202211243454.2A Pending CN115459081A (en) 2022-10-12 2022-10-12 Protection device of electric power metering equipment

Country Status (1)

Country Link
CN (1) CN115459081A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117134208A (en) * 2023-08-29 2023-11-28 广州盛美电气设备有限公司 Fireproof power distribution system and method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117134208A (en) * 2023-08-29 2023-11-28 广州盛美电气设备有限公司 Fireproof power distribution system and method

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Application publication date: 20221209

WD01 Invention patent application deemed withdrawn after publication