CN-114384290-B - Electric energy meter

Abstract

The invention discloses an electric energy meter, which comprises a shell, an electric energy detection assembly and a heat dissipation assembly, wherein a containing cavity is arranged in the shell, the containing cavity is provided with an air inlet and an air outlet which are communicated with the outside, the electric energy detection assembly comprises an electric energy detection part and a wiring terminal which are electrically connected with each other, the electric energy detection part and the wiring terminal are both arranged in the containing cavity, the heat dissipation assembly comprises a power module, an air inlet fan and an air outlet fan which are both arranged on the shell, the air inlet fan and the air outlet fan are both electrically connected with the power module, the power module is electrically connected with the wiring terminal and is used for feeding the air inlet fan and the air outlet fan, the air inlet fan is correspondingly arranged with the air inlet, and the air outlet fan is correspondingly arranged with the air outlet. According to the electric energy meter, the air outlet fan and the air inlet fan are used for rapidly discharging hot air from the accommodating cavity and rapidly sucking cold air into the accommodating cavity, so that heat in the accommodating cavity is rapidly dissipated without accumulation, and the generated temperature is low without burning the electric energy meter.

Inventors

• ZHOU SHUSHAN
• SUN RUI
• ZHAO YANTAO
• WANG JIANZHONG
• ZHENG XIAOPING

Assignees

• 威胜集团有限公司

Dates

Publication Date

20260512

Application Date

20220127

Claims (7)

1. 1. An electric energy meter, characterized in that it comprises: the shell is internally provided with a containing cavity, and the containing cavity is provided with an air inlet hole and an air outlet hole which are communicated with the outside; the electric energy detection assembly comprises an electric energy detection piece and a wiring terminal which are electrically connected with each other, and the electric energy detection piece and the wiring terminal are both arranged in the accommodating cavity; The heat dissipation assembly comprises a power supply module, an air inlet fan and an air outlet fan which are all arranged on the shell, wherein the air inlet fan and the air outlet fan are electrically connected with the power supply module, the power supply module is electrically connected with the wiring terminal and is used for feeding electricity to the air inlet fan and the air outlet fan, the air inlet fan is correspondingly arranged with the air inlet hole, and the air outlet fan is correspondingly arranged with the air outlet hole; the heat dissipation assembly is arranged in the accommodating cavity, the air inlet end of the air inlet fan is arranged corresponding to the air inlet hole, the air outlet end of the air outlet fan is arranged corresponding to the air outlet hole, and the air outlet end of the air inlet fan and the air inlet end of the air outlet fan are arranged corresponding to the wiring terminal; the shell comprises a shell seat and a shell cover which are connected with each other, the shell seat and the shell cover enclose a containing cavity, the power module, the air inlet fan and the air outlet fan are all arranged on the shell cover, and the wiring terminal is arranged on the shell seat; The casing cover comprises a first sub casing cover and a second sub casing cover, the first sub casing cover and the second sub casing cover divide the accommodating cavity into a first cavity and a second cavity, the electric energy detection part is installed in the first cavity, the wiring terminal and the heat dissipation component are all arranged in the second cavity, and the power module, the air inlet fan and the air outlet fan are all installed on the second sub casing cover.
2. 2. The electric energy meter of claim 1, wherein the second sub-housing cover comprises a top wall and side walls arranged around the top wall, the side walls and the housing seat enclose the second chamber, the air inlet and the air outlet are all arranged on the top wall, and the power module, the air inlet fan and the air outlet fan are all arranged on the top wall.
3. 3. The meter of claim 2, wherein there are gaps between the air inlet fan and the terminal and between the air outlet fan and the terminal.
4. 4. The electric energy meter of claim 2, wherein two electricity taking probes are arranged on the power supply module at intervals, two power supply holes are arranged on the wiring terminal at intervals, the two power supply holes are respectively arranged in one-to-one correspondence with the two electricity taking probes, the electricity taking probes are inserted into the corresponding power supply holes, and the outer side walls of the electricity taking probes are abutted with the hole walls of the power supply holes.
5. 5. The electric energy meter of claim 4, wherein the electricity taking probe comprises a connecting column and an electricity taking column which are connected with each other, the section size of the connecting column is larger than that of the electricity taking column, the electricity taking column is inserted into the corresponding power supply hole, and the outer side wall of the electricity taking column is abutted with the wall of the power supply hole.
6. 6. The electrical energy meter of any of claims 1 to 5, wherein the air inlet fan and the air outlet fan are both detachably connected to the housing; and/or, the air inlet fan and the air outlet fan are electrically connected with the power module through wires, a fixing buckle is arranged on the shell, and the fixing buckle is used for fixing the wires.
7. 7. The electric energy meter according to any one of claims 1 to 5, wherein a plurality of protection bars are arranged on the air inlet and the air outlet at intervals; and/or the shell is provided with a first mark and a second mark, the first mark is close to the air inlet, and the second mark is close to the air outlet.

Description

Electric energy meter Technical Field The invention relates to the technical field of electric power electricians, in particular to an electric energy meter. Background With the development of economy, the electric energy demand of various industries is increasing, and as an instrument for measuring electric energy, an electric energy meter is widely used. The binding post of electric energy meter is connected with external cable and load, when the user used the heavy load, can produce heavy current, and heavy current can produce a large amount of heat through the binding post department of electric energy meter for binding post's temperature continuously rises, until burn out the electric energy meter. In view of the above-mentioned drawbacks, it is necessary to provide a new electric energy meter. Disclosure of Invention The invention mainly aims to provide an electric energy meter, which aims to solve the problem that the existing electric energy meter is easy to burn out due to heating when being connected with a load. In order to achieve the above purpose, the electric energy meter provided by the invention comprises a shell, an electric energy detection component and a heat dissipation component, wherein a containing cavity is arranged in the shell, the containing cavity is provided with an air inlet and an air outlet which are communicated with the outside, the electric energy detection component comprises an electric energy detection part and a wiring terminal which are electrically connected with each other, the electric energy detection part and the wiring terminal are all installed in the containing cavity, the heat dissipation component comprises a power module, an air inlet fan and an air outlet fan which are all installed on the shell, the air inlet fan and the air outlet fan are all electrically connected with the power module, the power module is electrically connected with the wiring terminal and is used for feeding the air inlet fan and the air outlet fan, the air inlet fan and the air inlet are correspondingly arranged, and the air outlet fan are correspondingly arranged. Preferably, the heat dissipation assembly is arranged in the accommodating cavity, the air inlet end of the air inlet fan is correspondingly arranged with the air inlet hole, the air outlet end of the air outlet fan is correspondingly arranged with the air outlet hole, and the air outlet end of the air inlet fan and the air inlet end of the air outlet fan are correspondingly arranged with the wiring terminal. Preferably, the shell comprises a shell seat and a shell cover which are connected with each other, the shell seat and the shell cover enclose a containing cavity between them, the power module, the air inlet fan and the air outlet fan are all installed on the shell cover, and the wiring terminal is installed on the shell seat. Preferably, the casing cover comprises a first sub casing cover and a second sub casing cover, the first sub casing cover and the second sub casing cover divide the accommodating cavity into a first cavity and a second cavity, the electric energy detection part is installed in the first cavity, the wiring terminal and the heat dissipation component are all arranged in the second cavity, and the power module, the air inlet fan and the air outlet fan are all installed on the second sub casing cover. Preferably, the second sub-shell cover comprises a top wall and side walls arranged around the top wall, the side walls and the shell seat enclose a second cavity, the air inlet and the air outlet are all arranged on the top wall, and the power module, the air inlet fan and the air outlet fan are all arranged on the top wall. Preferably, gaps are formed between the air inlet fan and the wiring terminal and between the air outlet fan and the wiring terminal. Preferably, two electricity taking probes are arranged on the power supply module at intervals, two power supply holes are arranged on the wiring terminal at intervals, the two power supply holes are respectively arranged in one-to-one correspondence with the two electricity taking probes, the electricity taking probes are inserted into the corresponding power supply holes, and the outer side walls of the electricity taking probes are in butt joint with the hole walls of the power supply holes. Preferably, the electricity taking probe comprises a connecting column and an electricity taking column which are connected with each other, the section size of the connecting column is larger than that of the electricity taking column, the electricity taking column is inserted into the corresponding power supply hole, and the outer side wall of the electricity taking column is abutted to the hole wall of the power supply hole. Preferably, the air inlet fan and the air outlet fan are detachably connected with the shell; and/or, the air inlet fan and the air outlet fan are electrically connected with the power module through wires, a fixing buckle is arrang