CN212301656U

CN212301656U - Single-phase electronic type guide rail electric energy meter

Info

Publication number: CN212301656U
Application number: CN202020844046.2U
Authority: CN
Inventors: 薛大腾
Original assignee: Yueqing Qicheng Electrical Co ltd
Current assignee: Yueqing Qicheng Electrical Co ltd
Priority date: 2020-05-19
Filing date: 2020-05-19
Publication date: 2021-01-05
Anticipated expiration: 2030-05-19

Abstract

The utility model relates to a single-phase electronic type guide rail electric energy meter, including base, lid, the terminal block seat of setting on the base, the relay switch who is connected with the terminal block seat electricity, two copper feet of terminal block seat and relay switch between be provided with one respectively and draw forth the conducting strip, the one end of drawing forth the conducting strip be provided with the connecting hole, the copper foot of relay switch on have connecting portion, be provided with the fixed orifices on this connecting portion, the connecting hole of drawing forth the conducting strip in be provided with the fastener, the fastener pass connecting hole, fixed orifices in proper order and connect on the base, and constitute the electricity of drawing forth conducting strip and relay switch and be connected, the other end of drawing forth the conducting strip alternate in the terminal block in the connection terminal, and constitute the electricity of drawing forth conducting strip and connection terminal. The utility model has the advantages of simple structure, stable performance, reliability, convenient assembly and low cost.

Description

Single-phase electronic type guide rail electric energy meter

Technical Field

The utility model relates to an instrument and meter technical field, concretely relates to single-phase electronic type guide rail electric energy meter.

Background

The guide rail type electric energy meter can be conveniently used together with a miniature circuit breaker due to the miniaturized structure of the guide rail type electric energy meter, and is arranged in a terminal lighting box. An effective solution is provided for the electric energy metering of the low-voltage lighting terminal. Can be widely applied to buildings, markets, exhibition centers, schools, airports, ports, factories and the like. The guide tracked electric energy meter that has now includes the base, the upper cover, inlet wire binding post, binding post of being qualified for the next round of competitions, relay switch, the circuit board, when the assembly, need with two copper feet of relay switch respectively with inlet wire binding post, binding post of being qualified for the next round of competitions is connected, however, two unable lug connection of copper feet of relay switch of producer's supply are on inlet wire binding post, binding post of being qualified for the next round of competitions, thereby relay switch and inlet wire binding post, it is very inconvenient to be qualified for the next round of competitions binding post assembly, consequently, it is very necessary to design a lead out conductive structure.

Disclosure of Invention

An object of the utility model is to overcome prior art's defect, provide a simple structure, stable performance are reliable, the assembly is convenient, with low costs single-phase electronic type guide rail electric energy meter.

In order to achieve the purpose, the utility model adopts a single-phase electronic type guide rail electric energy meter, which comprises a base, a cover body arranged on the base, a wiring terminal seat, a relay switch electrically connected with the wiring terminal seat and a circuit board, a lead-out conducting strip is respectively arranged between the wiring terminal seat and the two copper pins of the relay switch, one end of the leading-out conducting strip is provided with a connecting hole, a copper pin of the relay switch is provided with a connecting part, the connecting part is provided with a fixing hole, a fastening piece is arranged in the connecting hole for leading out the conducting strip, the fastening piece sequentially passes through the connecting hole and the fixing hole and is connected on the base, and the other end of the leading-out conducting strip is inserted into the wiring frame in the wiring terminal seat to form the electric connection of the leading-out conducting strip and the wiring frame.

The beneficial effect of above-mentioned structure is: the lead-out conducting strip is arranged between the relay switch and the wiring terminal base, the lead-out conducting strip can play a role in lead-out and conduction, and the problem that a copper pin of the relay switch cannot be directly connected with the wiring terminal base can be effectively solved, so that the relay switch is more convenient to connect with the wiring terminal base, and the lead-out conducting strip is simple in structural design, and the production cost of the guide rail electric energy meter is favorably reduced. Therefore, the guide rail electric energy meter has the advantages of simple structure, stable and reliable performance, convenience in assembly and low cost.

Particularly, two copper pins corresponding to the relay switch in the base are respectively provided with a supporting column, the connecting parts of the two copper pins respectively abut against the corresponding supporting columns, and each supporting column is respectively provided with a threaded hole connected with a fastening piece. The support column can play the supporting role to relay switch's copper foot to can guarantee that relay switch's copper foot and the connection of drawing the conducting strip are compacter, be favorable to improving this guide tracked electric energy meter reliability of work.

Particularly, a copper insert is arranged in the supporting column, and the fastening piece sequentially penetrates through the connecting hole for leading out the conducting strip and the fixing hole of the copper pin and is connected to the copper insert. The copper insert connected with the fastener is arranged in the support column, so that the fastener can be connected with the base more compactly and firmly, the conducting strip is led out to be connected with the copper pin more reliably, and the working reliability of the guide rail electric energy meter is improved.

Particularly, a plurality of reinforcing ribs are respectively arranged on the peripheral walls of the supporting columns. Be provided with the strengthening rib on the support column, be favorable to improving the bulk strength of support column, be favorable to prolonging the life of this guide tracked electric energy meter.

Particularly, a plurality of pressing grooves arranged at intervals are respectively arranged on the lower end face of the leading-out conducting strip, the lower end face of one end of the leading-out conducting strip is abutted against the connecting part of the relay switch, and a pressing line cavity connected with an external lead is formed between the lower end face of the other end of the leading-out conducting strip and the wiring frame. Be provided with the indent that contacts with relay switch's copper foot on drawing the conducting strip, be favorable to improving the contact reliability who draws conducting strip and relay switch, electric conductive property is better, and the indent can compress tightly external conductor in the wire connection frame, and external conductor is difficult for the pine with the wire connection frame to this guide rail electric energy meter's wiring is more firm.

Particularly, the distance between the center points of the connecting holes of the two leading-out conducting strips is 15-22 mm. Two lead-out conducting strips are arranged between the relay switch and the wiring terminal base, so that the relay switch and the wiring terminal base can be assembled conveniently, and the assembly efficiency of the guide rail electric energy meter can be improved.

Drawings

Fig. 1 is an internal structure diagram of the embodiment of the present invention.

Fig. 2 is a perspective view of the base according to the embodiment of the present invention.

Fig. 3 is a perspective view of a relay switch according to an embodiment of the present invention.

Fig. 4 is a rear view of the embodiment of the present invention showing the conductive sheet.

Detailed Description

As shown in fig. 1 to 4, an embodiment of the present invention is a single-phase electronic type guide rail electric energy meter, including a base 10, a cover disposed on the base 10, a connection terminal base 11, a relay switch 12 electrically connected to the connection terminal base 11, and a circuit board, wherein a leading-out conductive sheet 13 is disposed between the connection terminal base 11 and two copper pins 121 of the relay switch 12, respectively, a connection hole 131 is disposed at one end of the leading-out conductive sheet 13, a connection portion 122 is disposed on the copper pin 121 of the relay switch 12, a fixing hole 123 is disposed on the connection portion 122, a fastening member 14 is disposed in the connection hole 131 of the leading-out conductive sheet 13, the fastening member 14 sequentially passes through the connection hole 131 and the fixing hole 123 and is connected to the base 10, the fastening member 14 is a screw and constitutes an electrical connection between the leading-out conductive sheet 13 and the relay switch 12, the other end of the leading-out conductive sheet 13 is inserted into a connection, and constitutes an electrical connection of the lead-out conductive sheet 13 with the terminal frame 111. The lead-out conducting strips which play a role in lead-out conduction are arranged on the two copper pins of the relay switch, and the two ends of the lead-out conducting strips are respectively connected to the copper pins of the relay switch and the wiring frame of the wiring terminal, so that the defect that the copper pins of the relay switch cannot be directly connected with the wiring frame is effectively overcome, and the relay switch and the wiring frame can be conveniently assembled.

As shown in fig. 2, two supporting columns 101 are respectively disposed in the base 10 corresponding to two copper pins 121 of the relay switch 12, connecting portions 122 of the two copper pins 121 respectively abut against the corresponding supporting columns 101, and each supporting column 101 is respectively provided with a threaded hole 102 connected to the fastening member 14. The support column can play the supporting role to relay switch's copper foot to can guarantee that relay switch's copper foot and the connection of drawing the conducting strip are compacter, be favorable to improving this guide tracked electric energy meter reliability of work. A copper insert is arranged in the supporting column 101, and the fastening piece 14 sequentially penetrates through the connecting hole 131 of the leading-out conducting strip 13 and the fixing hole 123 of the copper pin 121 and is connected to the copper insert. The copper insert connected with the fastener is arranged in the support column, so that the fastener can be connected with the base more compactly and firmly, the conducting strip is led out to be connected with the copper pin more reliably, and the working reliability of the guide rail electric energy meter is improved. The outer peripheral wall of the support column 101 is provided with a plurality of reinforcing ribs 103. Be provided with the strengthening rib on the support column, be favorable to improving the bulk strength of support column, be favorable to prolonging the life of this guide tracked electric energy meter.

As shown in fig. 1 and 4, a plurality of pressing grooves 132 are respectively disposed on the lower end surface of the leading-out conductive sheet 13, the lower end surface of one end of the leading-out conductive sheet 13 abuts against the connecting portion 131 of the relay switch 12, and a pressing line cavity connected with an external wire is formed between the lower end surface of the other end of the leading-out conductive sheet 13 and the wire frame 111. Be provided with the indent that contacts with relay switch's copper foot on drawing the conducting strip, be favorable to improving the contact reliability who draws conducting strip and relay switch, electric conductive property is better, and the indent can compress tightly external conductor in the wire connection frame, and external conductor is difficult for the pine with the wire connection frame to this guide rail electric energy meter's wiring is more firm. The distance between the central points of the connecting holes for leading out the conducting strips is 15-22 mm. Two lead-out conducting strips are arranged between the relay switch and the wiring terminal base, so that the relay switch and the wiring terminal base can be assembled conveniently, and the assembly efficiency of the guide rail electric energy meter can be improved.

The lead-out conducting strip is arranged between the relay switch and the wiring terminal base, the lead-out conducting strip can play a role in lead-out and conduction, and the problem that a copper pin of the relay switch cannot be directly connected with the wiring terminal base can be effectively solved, so that the relay switch is more convenient to connect with the wiring terminal base, and the lead-out conducting strip is simple in structural design, and the production cost of the guide rail electric energy meter is favorably reduced. Therefore, the guide rail electric energy meter has the advantages of simple structure, stable and reliable performance, convenience in assembly and low cost.

Claims

1. The utility model provides a single-phase electronic type guide rail electric energy meter, includes the base, sets up lid, the terminal block on the base, the relay switch, the circuit board of being connected with the terminal block electricity, its characterized in that: the wiring terminal seat and the two copper pins of the relay switch are respectively provided with a leading-out conducting strip, one end of the leading-out conducting strip is provided with a connecting hole, the copper pin of the relay switch is provided with a connecting part, the connecting part is provided with a fixing hole, a fastener is arranged in the connecting hole of the leading-out conducting strip, the fastener sequentially penetrates through the connecting hole and the fixing hole and is connected to the base, the electric connection of the leading-out conducting strip and the relay switch is formed, the other end of the leading-out conducting strip is inserted into the wiring frame in the wiring terminal seat, and the electric connection of the leading-out conducting strip and the wiring frame is formed.

2. The single-phase electronic rail electric energy meter according to claim 1, characterized in that: the base in two copper foot punishments that correspond relay switch be provided with a support column respectively, the connecting portion of two copper feet contradict respectively on corresponding support column, and each support column respectively with fastener threaded connection.

3. The single-phase electronic rail electric energy meter of claim 2, wherein: the supporting column is internally provided with a copper insert, and the fastener sequentially penetrates through the connecting hole for leading out the conducting strip and the fixing hole of the copper pin and is connected to the copper insert.

4. The single-phase electronic rail electric energy meter according to claim 2 or 3, characterized in that: the periphery wall of the support column is provided with a plurality of reinforcing ribs respectively.

5. The single-phase electronic rail electric energy meter according to claim 1 or 2, characterized in that: the lower end face of the lead-out conducting strip is respectively provided with a plurality of pressing grooves which are arranged at intervals, the lower end face of one end of the lead-out conducting strip is abutted against the connecting part of the relay switch, and a pressing line cavity connected with an external wire is formed between the lower end face of the other end of the lead-out conducting strip and the wiring frame.

6. The single-phase electronic rail electric energy meter according to claim 1 or 2, characterized in that: the distance between the central points of the connecting holes for leading out the conducting strips is 15-22 mm.