Outer fireproof protection structure of electric energy meter

Abstract

The utility model relates to the technical field of electric energy meters, in particular to an outer fireproof protection structure of an electric energy meter, which comprises an installation base internally provided with electrical parts, and further comprises an outer protection part comprising a protection assembly installed outside the installation base and two heat conduction assemblies symmetrically arranged on the upper side and the lower side of the protection assembly; the heat conduction assembly comprises a clamping cover and a heat conduction unit which is installed in the clamping cover and used for absorbing heat in the installation base. The protection assembly comprises an outer protection cover provided with a transparent window and a fireproof unit detachably installed on the inner side of the outer protection cover. According to the external fireproof protection structure of the electric energy meter, the heat conduction performance can be improved through the arranged heat conduction assembly, fire disasters induced by high-heat faults are reduced, the protection assembly arranged in cooperation with the external fireproof protection structure can restrain fire spreading and release flame-retardant gas, the fireproof performance of the electric energy meter is improved on the whole, and the external fireproof protection structure is simple and reliable in structure and has practicability.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of electric energy meter, specifically relates to electric energy meter outer fireproof protection structure. BACKGROUND

[0002] In the power system, electric energy meter as the key equipment of electric power measurement is widely used in various buildings and places, with the increasingly complex and diversified electric power use scene, the safety problem of electric energy meter is paid more and more attention.

[0003] Electric energy meter in the long-term operation process, due to internal electrical components aging, short circuit fault or overload, etc. Sometimes, these faults can cause electrical fire;Once the fire occurs, not only can the electric energy meter itself be damaged, cannot normally measure electric power data, influence the accuracy and continuity of electric power supply management, also can rapidly spread to the surrounding environment, to the electrical system of building, other equipment and personnel life and property safety constitute serious threat;In addition, the heat dissipation of electric energy meter has important influence on preventing fire, if the internal temperature is too high, will induce the fault and cause fire.

[0004] The traditional electric energy meter often lacks special and effective fire protection measures, and only relies on the general protection of its own shell, which cannot meet the increasingly severe fire protection needs;Therefore, an urgent need exists for a structure that can achieve heat dissipation and prevent the spread of fire to the outside to improve the fire safety of electric energy meter in various application environments;In view of this, we propose electric energy meter outer fireproof protection structure. UTILITY MODEL CONTENT

[0005] The utility model aims at solving the deficiency mentioned in the above background art, and provides electric energy meter outer fireproof protection structure.

[0006] In order to solve the above technical problems, the utility model adopts the following technical scheme:

[0007] Electric energy meter outer fireproof protection structure, including the installation base that installs electrical components inside, still include:

[0008] The outer protection part includes the protection assembly installed outside the installation base, and two symmetrical heat conduction assemblies arranged on the upper and lower sides of the protection assembly;

[0009] The heat conduction assembly includes a clamping cover, and a heat conduction unit installed in the clamping cover for absorbing the heat inside the installation base;

[0010] The protection assembly includes an outer protection cover provided with a transparent window, and a fireproof unit detachably installed on the inner side of the outer protection cover.

[0011] Preferably, the heat-conducting unit is inserted into the inner cavity of the card cover, and the heat-conducting unit comprises a partition heat-conducting plate fixedly connected with a metal heat-conducting rod on one side.

[0012] The metal heat-conducting rod is arranged close to the mounting base side.

[0013] Preferably, a heat-conducting cavity is arranged between the partition heat-conducting plate and the cover body of the card cover, and the card cover is provided with a heat dissipation hole in communication with the heat-conducting cavity.

[0014] The heat-conducting cavity is filled with heat-conducting filler.

[0015] Preferably, a limiting column is arranged at the inner side cover cavity of the outer protective cover.

[0016] The fireproof unit comprises an embedded cover provided with a limiting sleeve block, and the embedded cover is respectively provided with a clamping plate and a sealing plate from inside to outside.

[0017] The embedded cover is detachably mounted in the outer protective cover through the limiting sleeve block inserted in the limiting column.

[0018] Preferably, a ring cavity corresponding to the transparent window is arranged on the embedded cover, and a transparent block is arranged in the ring cavity.

[0019] A supporting block for mounting the clamping plate is arranged on the embedded cover.

[0020] Preferably, a first through hole is arranged on the clamping plate, and a first fireproof clamping cavity is arranged between the clamping plate and the cover body of the embedded cover.

[0021] The first fireproof clamping cavity is filled with polycarbonate particles.

[0022] Preferably, a second through hole is arranged on the sealing plate, and a second fireproof clamping cavity is arranged between the clamping plate and the sealing plate.

[0023] The second fireproof clamping cavity is filled with acrylonitrile-butadiene-styrene copolymer particles.

[0024] Compared with the prior art, the electric energy meter outer fireproof protection structure has the following beneficial effects:

[0025] The electric energy meter outer fireproof protection structure can improve the heat conduction performance through the heat-conducting assembly, reduce the high-heat failure induced fire, and inhibit the spread of fire and release the fire-retardant gas through the cooperation of the protection assembly, thereby improving the fireproof performance of the electric energy meter as a whole, and the structure is simple and reliable and has practicality. BRIEF DESCRIPTION OF DRAWINGS

[0026] The drawings accompanying the specification of this application serve to provide further understanding of the present application, the illustrative embodiments of the present application and the description thereof serve to explain the present application, and do not constitute an improper limitation on the present application. In the drawings:

[0027] Figure 1 It is an overall structure schematic view of the present application;

[0028] Figure 2 It is an overall structure front view of the present application;

[0029] Figure 3 It is an overall structure exploded view of the present application;

[0030] Figure 4 It is a schematic view of the heat conduction assembly of the present application;

[0031] Figure 5 It is a sectional view of the heat conduction assembly of the present application;

[0032] Figure 6 It is a sectional view of the protection assembly of the present application;

[0033] Figure 7 It is an exploded view of the protection assembly of the present application.

[0034] The meanings of various reference numerals in the drawings are as follows:

[0035] 1, mounting base; 101, clamping groove; 2, heat conduction assembly; 21, clamping cover; 211, first protrusion; 212, heat dissipation hole; 22, heat conduction unit; 221, metal heat conduction rod; 222, partition heat conduction plate; 201, heat conduction cavity;

[0036] 3, protection assembly; 301, transparent window; 31, outer protection cover; 3101, second protrusion; 311, limiting column; 32, embedded cover; 321, ring cavity; 322, supporting block; 323, limiting sleeve block; 33, clamping plate; 331, first through hole; 34, sealing plate; 341, second through hole. DETAILED DESCRIPTION

[0037] The technical solutions in the embodiments of the present application will be described clearly and completely below in conjunction with the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. The embodiments in the present application and the features in the embodiments can be combined with each other without conflict. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0038] Please refer to Figures 1-7 The above technical solutions are described in detail by the following embodiments.

[0039] The outer fireproof structure of the electric energy meter, such as Figure 3 The structure comprises a mounting base 1 in which electrical components are installed, and further comprises:

[0040] An outer protection part, such as Figures 1-3 An installation relationship, which comprises a protection assembly 3 installed outside the mounting base 1, and two symmetrical heat-conducting assemblies 2 arranged on the upper and lower sides of the protection assembly 3. It should be noted that when the electric energy meter is in a high-heat failure state, the fire source will splash outwardly, and the main position corresponding to the fire burning path is located in the outer protection part. The mounting base 1 of the present embodiment is provided with a clamping groove 101, and the heat-conducting assembly 2 and the protection assembly 3 are respectively provided with a first protrusion 211 and a second protrusion 3101 for clamping in the clamping groove 101. This installation structure belongs to the prior art, and is convenient for quick installation.

[0041] Specifically, as shown in the structure, Figures 3-5 The heat-conducting assembly 2 of the present embodiment comprises a clamping cover 21 and a heat-conducting unit 22 installed in the clamping cover 21 for absorbing the heat inside the mounting base 1. The heat-conducting unit 22 is inserted into the inner cavity of the clamping cover 21, and the heat-conducting unit 22 comprises a partitioning heat-conducting plate 222 fixedly connected with a metal heat-conducting rod 221 on one side. The metal heat-conducting rod 221 is arranged close to the mounting base 1, and as shown in the installation relationship, Figure 5 A heat-conducting cavity 201 is arranged between the partitioning heat-conducting plate 222 and the cover body of the clamping cover 21, and the heat-conducting cavity 201 is filled with heat-conducting filler. The heat-conducting filler can be selected from aluminum and copper particles. The present embodiment uses copper particles, and the clamping cover 21 is provided with a heat dissipation hole 212 in communication with the heat-conducting cavity 201 and smaller than the particle size of the copper particles. The main purpose is to absorb the internal temperature through the heat-conducting unit 22 during normal use of the electric energy meter, and to maintain sealing, considering the problems of aging and combustion caused by the entry of oxygen. Therefore, the partitioning heat-conducting plate 222 is arranged to conduct heat to the copper particles, and the heat is dissipated through the heat dissipation hole 212, mainly to relieve the internal temperature of the electric meter and reduce the possibility of fire caused by overheating.

[0042] The protection assembly 3 of the present embodiment comprises an outer protection cover 31 provided with a transparent window 301, and a fireproof unit detachably installed on the inner side of the outer protection cover 31. Specifically, as shown in the structure, Figure 5 and Figure 6As shown in the structure, the fireproof unit comprises an embedded cover 32 provided with a limiting sleeve block 323, and the embedded cover 32 is respectively provided with a clamping plate 33 and a sealing plate 34 from inside to outside; in order to facilitate installation of the fireproof unit and not affect the use of the transparent window 301, the transparent window 301 is arranged to read internal electric energy meter data, therefore, a limiting column 311 is arranged at the cover cavity of the inner side of the outer protective cover 31, and the embedded cover 32 is detachably installed in the outer protective cover 31 in a mode that the embedded cover 32 is inserted into the limiting column 311, so that the embedded cover 32 can be quickly installed and aligned, and the ring cavity 321 arranged on the embedded cover 32 corresponds to the position of the transparent window 301, and the acrylic transparent block is installed in the ring cavity 321.

[0043] It should be noted that, in order to obtain good fireproof effect, as shown in the structure, Figure 6 and Figure 7 a supporting block 322 for installing the clamping plate 33 is arranged on the embedded cover 32, the clamping plate 33 is provided with a first through hole 331, and the sealing plate 34 is provided with a second through hole 341; as shown in the installation relationship, Figure 6 a first fireproof clamping cavity is arranged between the clamping plate 33 and the cover body of the embedded cover 32, and a second fireproof clamping cavity is arranged between the clamping plate 33 and the sealing plate 34; in the embodiment, polycarbonate particles are filled in the first fireproof clamping cavity, and acrylonitrile-butadiene-styrene copolymer particles are filled in the second fireproof clamping cavity; it should be explained that, in other embodiments, the positions of the polycarbonate particles and the acrylonitrile-butadiene-styrene copolymer particles can be exchanged, and the purpose is to release carbon dioxide and other non-combustible gases by thermal decomposition of the polycarbonate particles, so as to dilute the oxygen concentration and prevent combustion; and the acrylonitrile-butadiene-styrene copolymer particles can form a carbonized layer when encountering a flame, and the carbonized layer can play a blocking role and slow down the combustion speed, so as to gain time to prevent fire spreading.

[0044] It should be noted that, if the embodiments of the utility model involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative position relationship, movement condition and the like between the components in a certain specific posture, and if the specific posture changes, the directional indications also change accordingly.

[0045] In addition, if the description of "first", "second" and the like is involved in the embodiments of the present application, the description of "first", "second" and the like is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include at least one of the features. In addition, the meaning of "and / or" appearing throughout the text includes three parallel schemes. Taking "A and / or B" as an example, it includes A scheme, or B scheme, or A and B scheme. In addition, "multiple" means more than two. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of ordinary skilled in the art, when the combination of technical solutions appears contradictory or cannot be realized, it should be considered that the combination of technical solutions does not exist, nor in the protection scope required by the present application.

[0046] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and the present application can be realized in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the present application is defined by the appended claims rather than the above description, therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application.

Claims

1. An external fireproof protection structure of an electric energy meter, comprising a mounting base (1) in which electrical components are mounted, characterized in that: Also include: The outer protection part includes a protection assembly (3) installed outside the mounting base (1), and two symmetrical heat conduction assemblies (2) arranged on the upper and lower sides of the protection assembly (3); The heat conduction assembly (2) includes a clamping cover (21), and a heat conduction unit (22) installed in the clamping cover (21) for absorbing heat inside the mounting base (1); The protection assembly (3) includes an outer protective cover (31) provided with a transparent window (301), and a fireproof unit detachably installed inside the outer protective cover (31).

2. The electric energy meter external fireproof protection structure according to claim 1, characterized in that: The heat conduction unit (22) is inserted into the inner cavity of the clamping cover (21), and the heat conduction unit (22) includes a partition heat conduction plate (222) fixedly connected with a metal heat conduction rod (221) on one side; The metal heat conduction rod (221) is arranged close to the mounting base (1).

3. The external fireproof protection structure of the electric energy meter according to claim 2, characterized in that: The partition heat conduction plate (222) and the cover body of the clamping cover (21) are provided with a heat conduction cavity (201), and the clamping cover (21) is provided with a heat dissipation hole (212) in communication with the heat conduction cavity (201); The heat conduction cavity (201) is filled with heat conduction filler.

4. The electric energy meter external fireproof protection structure according to claim 1, characterized in that: The inner cavity of the outer protective cover (31) is provided with a limiting column (311); The fireproof unit includes an embedded cover (32) provided with a limiting sleeve block (323), and the embedded cover (32) is provided with a clamping plate (33) and a sealing plate (34) from inside to outside; The embedded cover (32) is detachably installed in the outer protective cover (31) by inserting the limiting sleeve block (323) into the limiting column (311).

5. The external fireproof protection structure of the electric energy meter according to claim 4, characterized in that: The embedded cover (32) is provided with a ring cavity (321) corresponding to the transparent window (301), and the ring cavity (321) is provided with a transparent block; The embedded cover (32) is provided with a supporting block (322) for installing the clamping plate (33).

6. The external fireproof protection structure of the electric energy meter according to claim 5, characterized in that: The clamping plate (33) is provided with a first through hole (331), and the clamping plate (33) and the cover body of the embedded cover (32) are provided with a first fireproof clamping cavity; The first fireproof clamping cavity is filled with polycarbonate particles.

7. The external fireproof protection structure of the electric energy meter according to claim 6, characterized in that: The sealing plate (34) is provided with a second through hole (341), and the clamping plate (33) and the sealing plate (34) are provided with a second fireproof clamping cavity; The second fireproof clamping cavity is filled with acrylonitrile-butadiene-styrene copolymer particles.

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