CN108490231A - One kind dividing rod-type electric energy metering combined wiring box - Google Patents

One kind dividing rod-type electric energy metering combined wiring box Download PDF

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Publication number
CN108490231A
CN108490231A CN201810286956.0A CN201810286956A CN108490231A CN 108490231 A CN108490231 A CN 108490231A CN 201810286956 A CN201810286956 A CN 201810286956A CN 108490231 A CN108490231 A CN 108490231A
Authority
CN
China
Prior art keywords
point
box body
firing point
rod
electric energy
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
CN201810286956.0A
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Chinese (zh)
Inventor
黄世龙
刘建锋
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.)
Shanghai University of Electric Power
University of Shanghai for Science and Technology
Original Assignee
Shanghai University of Electric Power
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 Shanghai University of Electric Power filed Critical Shanghai University of Electric Power
Priority to CN201810286956.0A priority Critical patent/CN108490231A/en
Publication of CN108490231A publication Critical patent/CN108490231A/en
Pending legal-status Critical Current

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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R11/00Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
    • G01R11/02Constructional details
    • G01R11/04Housings; Supporting racks; Arrangements of terminals

Abstract

The present invention relates to one kind dividing rod-type electric energy metering combined wiring box, it is connected with the A being set in box body connection module including box body, B is connected connection module, the connected connection modules of C and the neutral connection module that is connected, A is connected connection module, B is connected connection module, the connected connection modules of C are identical with the constituted mode of the neutral connection module that is connected, the connected connection modules of the A include connecting rod, metal connecting sheet and conducting point module, the connecting rod is through tray interior, it is separately connected two end faces that box body is equipped with terminals, the switching of electric energy metering combined wiring box working condition is realized by being moved forward and backward relative to described two end faces, the metal connecting sheet is fixed in connecting rod, it is connected or separated with conducting point module with the movement of connecting rod, the conducting point module is connect with the terminals on box body.Compared with prior art, the present invention has many advantages, such as to be less likely to occur wiring errors, easily operated and maintenance and highly practical.

Description

One kind dividing rod-type electric energy metering combined wiring box
Technical field
The present invention relates to electric energy metering device fields, dividing rod-type electric energy metering combined wiring box more particularly, to one kind.
Background technology
Signified testing terminal, electrical energy measurement in electric energy metering combined wiring box i.e. electric energy metering device inspection procedure Combined connection box can reduce the quantity of TA (current transformer), TV (voltage transformer), convenient for electrification verification measuring instrumentss, and Normal work of the connect instrument without influencing other instrument can be exchanged in electrification.Combined connection box is in electrical measurement metering line In played hinge, moreover it is possible to be effectively prevented wiring mistake, improve the accuracy of measurement, have multiple functions and obtain It is widely applied.
With the universal use of electric energy metering combined wiring box, terminal box also exposes more next during installation and use More problems.Paper《Sketch the proper use of of electric energy metering combined wiring box》In, illustrate existing electrical energy measurement joint Terminal box is mainly by switching on and off different connecting terminals, to realize the switching of terminal box work and off-state, this The electric energy metering combined wiring box of sample, the case where being extremely easy to happen misunderstanding in connection, be easy to happen misunderstanding, and also it is such Junction box is equipped with excessive contact, and not only multi-process handling, but also mounting process quality is difficult to control, and practicability is poor.
In addition to this, current electric energy metering combined wiring box is typically all and is manufactured using black non transparent material, The electric energy metering combined wiring box being achieved is easy to influence breakdown judge, and the detection of power stealing and electric leakage.
Invention content
The purpose of the present invention is provide one kind regarding to the issue above to divide rod-type electric energy metering combined wiring box.
The purpose of the present invention can be achieved through the following technical solutions:
One kind divides rod-type electric energy metering combined wiring box, including box body is connected connection module, B phases with the A being set in box body Link block, C are connected connection module and the neutral connection module that is connected, the box body equipped with multiple and different terminals, respectively with electricity Source side voltage, mains side electric current, voltage transformer and current transformer connection, the A are connected the connected connection module of connection module, B, C The connection module that is connected is identical with the constituted mode of the neutral connection module that is connected, and the connected connection modules of the A include connecting rod, metal connecting sheet With conducting point module, the connecting rod is separately connected two end faces that box body is equipped with terminals, passes through through tray interior The switching for realizing electric energy metering combined wiring box working condition, the metal connecting sheet are moved forward and backward relative to described two end faces It is fixed in connecting rod, is connected or separated with the movement and conducting point module of connecting rod, on the conducting point module and box body Terminals connection.
Preferably, the connecting rod includes head rod and the second connecting rod, and the head rod is for constituting A phases Circuit between mains side voltage and A phase voltage mutual inductors, second connecting rod is for constituting A phase mains side electric currents and A phases Circuit or A phase mains side electric current short circuits between current transformer are shut off circuit.
Preferably, the quantity of the metal connecting sheet and the quantity of connecting rod match.
Preferably, the conducting point module includes the first firing point component, the second firing point component and third firing point group Part, the first firing point component are realized by being contacted with metal connecting sheet between A phase mains side voltages and A phase voltage mutual inductors Circuit conducting, second feed-through assembly realizes A phase mains side electric currents and A phase current mutual inductances by contact with metal connecting sheet Circuit conducting between device, the third feed-through assembly realize that A phase mains side electric current short circuits are cut by being contacted with metal connecting sheet Flow back to the conducting on road.
Preferably, the first firing point component includes mutual disconnected first firing point and the second firing point, The terminals of the A phase voltage mutual inductors of first firing point and box body connect, the A phase power supplys of second firing point and box body The terminals of side voltage connect.
Preferably, the second firing point component includes mutual disconnected third firing point and the 4th firing point, The terminals of first A phase current mutual inductors of the third firing point and box body connect, and the of the 4th firing point and box body The terminals of one A phase mains side electric currents connect.
Preferably, the third firing point component includes mutual disconnected 5th firing point and the 6th firing point, The terminals of 5th firing point and the 2nd A phase mains side electric currents of box body connect, and the of the 6th firing point and box body The terminals of one A phase mains side electric currents connect.
Preferably, the conducting point module includes multiple metal screws for being fixed on tray interior.
Preferably, the metal connecting sheet is equipped with notch, for being mutually clamped with conducting point module.
Preferably, the box body includes transparent cartridge.
Compared with prior art, the invention has the advantages that:
(1) present invention is moved by the way that connecting rod, metal connecting sheet and conducting point module are arranged in box body using connecting rod It connects or separates to drive metal connecting sheet and point module is connected, to realize the working condition of electric energy metering combined wiring box Switching, compared in existing method by replacing switching of the connecting terminal to carry out working condition, this switching mode is very simple Just, the case where and terminals mis-wired being less likely to occur, while this method can greatly simplify the number of terminals on box body The quantity of firing point in amount and box body improves the quality of mounting process to simplify process, and practicability greatly enhances, suitable batch Amount production and use.
(2) conducting of voltage transformer and the conducting of current transformer are realized respectively by two connecting rods, it is convenient to realize And hardware cost is low, further enhances the practicability of electric energy metering combined wiring box.
(3) quantity of metal connecting sheet and the quantity of connecting rod match, therefore each connecting rod need to only be equipped with one Metal connecting sheet, you can realize the switching of terminal box working condition, it is simple for process, it is easy for installation, it is both suitable for mass production or fit Close a wide range of use.
(4) conducting point module realizes the conducting of voltage transformer respectively by three groups of firing point components, current transformer The short circuit of mains side electric current under conducting and current transformer not on-state, easy switching and setting simply, therefore are not susceptible to Connecting fault, it is easy to accomplish and be easy to overhaul.
(5) two firing points in each component are not connected to directly, are just to occur in the state of metal connecting sheet contact Connection, the switching of this state are simply cut safe, are not susceptible to failure.
(6) conducting point module realizes that at low cost and turn-on effect is good by being fixed on the metal screws of tray interior, to The cost performance of entire electric energy metering combined wiring box can be promoted.
(7) metal connecting sheet is equipped with the notch engaged with firing point, can ensure metal connecting sheet and firing point in this way The stabilization of connection, both avoid effectively connecting so as to cause electric energy metering combined wiring box failure.
(8) box body improves the practicability of device using transparent cartridge convenient for observing failure and being easy to repair and maintenance.
Description of the drawings
Fig. 1 is point stereoscopic schematic diagram of rod-type electric energy metering combined wiring box in the on-state;
Fig. 2 is point floor map of rod-type electric energy metering combined wiring box in the on-state;
Fig. 3 is point stereoscopic schematic diagram of rod-type electric energy metering combined wiring box in the off state;
Fig. 4 is point floor map of rod-type electric energy metering combined wiring box in the off state;
Wherein, 1 is the first firing point, and 2 be the second firing point, and 3 be third firing point, and 4 be the 4th firing point, and 5 be the 5th Firing point, 6 be the 6th firing point, and 7 be connecting rod, and 8 be metal connecting sheet.
Specific implementation mode
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.The present embodiment is with technical solution of the present invention Premised on implemented, give detailed embodiment and specific operating process, but protection scope of the present invention is not limited to Following embodiments.
One kind is provided in the present embodiment and divides rod-type electric energy metering combined wiring box, including box body and is set in box body A be connected connection module, the C of connection module, B that be connected is connected connection module and the neutral connection module that is connected, and box body is equipped with multiple and different wiring End, connect with mains side voltage, mains side electric current, voltage transformer and current transformer respectively, and be connected connection module, B of A is connected Module, C are connected, and connection module is identical with the constituted mode of the neutral connection module that is connected, and the connected connection modules of A include connecting rod 7, metal company Contact pin 8 and conducting point module, connecting rod 7 are separately connected two end faces that box body is equipped with terminals through tray interior, lead to Cross the switching for being moved forward and backward relative to described two end faces and realizing electric energy metering combined wiring box working condition, metal connecting sheet 8 It is fixed in connecting rod 7, is connected or separated with the movement and conducting point module of connecting rod 7, on conducting point module and box body Terminals connect.
Wherein, connecting rod 7 includes head rod and the second connecting rod, and head rod is for constituting A phases mains side electricity Press the circuit between A phase voltage mutual inductors, the second connecting rod for constitute A phase mains side electric currents and A phase current mutual inductors it Between circuit or A phase mains side electric current short circuits shut off circuit.The quantity of metal connecting sheet 8 and the quantity of connecting rod 7 match.It leads Logical point module includes the first firing point component, the second firing point component and third firing point component, and the first firing point component passes through It is contacted with metal connecting sheet 8 and realizes that A phase mains side voltages are connected with the circuit between A phase voltage mutual inductors, the second feed-through assembly Realize that A phase mains side electric currents are connected with the circuit between A phase current mutual inductors by being contacted with metal connecting sheet 8, third conducting Component realizes that A phase mains side electric current short circuits shut off the conducting in circuit by being contacted with metal connecting sheet 8.First firing point component packet Include 1 and second firing point 2 of mutual disconnected first firing point, the first firing point 1 and the A phase voltage mutual inductors of box body Terminals connect, and the second firing point 2 is connect with the terminals of the A phase mains side voltages of box body.Second firing point component includes phase 3 and the 4th firing point 4 of disconnected third firing point between mutually, third firing point 3 and the first A phase current mutual inductors of box body Terminals connect, and the 4th firing point 4 is connect with the terminals of the first A phase mains side electric currents of box body.Third firing point component packet Include mutual disconnected 5th firing point 5 and the 6th firing point 6, the 2nd A phases mains side electricity of the 5th firing point 5 and box body The terminals of stream connect, and the 6th firing point 6 is connect with the terminals of the first A phase mains side electric currents of box body.Point module packet is connected Include multiple metal screws for being fixed on tray interior.Metal connecting sheet 8 is equipped with notch, for mutually blocking with conducting point module It closes.Box body includes transparent cartridge.
As shown in figures 1-4 according to the electric energy metering combined wiring box of above structure realization, it can be seen from the figure that the connection Splice grafting wire box is divided into four parts, is connected respectively with A phase, B phase, C phase and neutrality, and each part includes connecting rod, In the present embodiment, connecting rod be long 75mm, the transparent insulation cylinder of radius 2.5mm, totally 7.This 7 connecting rods are respectively with 7 A metal connecting sheet is connected, and is located at the top layer of whole device, crosses box body front and back end, wherein two connecting rods are connected with A phases, Two connecting rods are connected with B phases, and two connecting rods are connected with C phases, and a connecting rod is connected with neutrality.
By taking A phases as an example (B, C phase are similar):Two connecting rods are connected with respective metal connecting sheet level respectively, 1,2, 3,4,5,6 be respectively A phase metal screws, be to be not attached to state between screw 1 and 2,3 and 4, screw 5 and 6 respectively under box body The metal column of side is connected, and neutral phase then only has a connecting rod and metal connecting sheet, shown in Fig. 1.
The mode of connection of the terminal box is as follows:U1, V1, W1, N1 are separately connected mains side voltage three-phase and the neutral conductor, U2, V2, W2, N2 are separately connected voltage transformer side;I1, I2, I5, I6, I9, I10 are separately connected mains side current three-phase, I3, I4, I7, I8, I11, I12 are separately connected current transformer side.
The specific working mode of the terminal box is as follows:
By taking A phases as an example, at work, it is connected by metal connecting sheet between screw 1 and 2, mains side voltage U1 and voltage Mutual inductor U2 connections;Screw 3,4 is connected to I2, I4, and current loop is " mains side electric current I2 → 4 → metal connecting sheet of screw → electricity Current transformer I4 → current transformer I3 → mains side electric current I1 ", it is specific such as Fig. 1 and Fig. 2 to constitute complete current loop It is shown.Similarly, mains side V1, V2, W1, W2 are connected to neutral line side N1, N2, and I5~I8 constitutes B phase current mutual inductors and measures Circuit, I9~I12 constitute C phase current mutual inductor measuring loops, voltage transformer and current transformer thus may be implemented Connection.
When not working, connecting rod is inwardly pushed, according to actual conditions in the present embodiment, inwardly push connecting rod 6mm, this When connecting rod drive seven sheet metals move inward.Then 1,2 and A of screw phase voltage sheet metals disconnect, and voltage transformer, which disconnects, to be lost Pressure;Screw 3,4 and A phase current sheet metals disconnect, and mains side electric current I2 and current transformer side I4 is disconnected, and screw 5,6 passes through electricity Sheet metal connection is flowed, mains side electric current is by " ends I1 → 5 → current metal of screw piece → ends 6 → I2 of screw ", to constitute electricity Source electric current short circuit current floe condition.Similarly, mains side B phase voltages V1, V2, C phase voltages W1, W2 and neutral line side N1, N2 are disconnected Open decompression, B phase mains side electric currents I5, I6 are in short circuit current floe condition, and C phase mains side electric currents I9, I10 are also at short circuit and shut off shape State, off-state are as shown in Figure 3 and Figure 4.

Claims (10)

1. one kind divides rod-type electric energy metering combined wiring box, including be connected with the A being set in box body connection module, B of box body is connected Connection module, C are connected connection module and the neutral connection module that is connected, the box body equipped with multiple and different terminals, respectively with power supply Side voltage, mains side electric current, voltage transformer and current transformer connection, the A are connected the connected connection module of connection module, B, C phases Link block be connected with neutrality connection module constituted mode it is identical, which is characterized in that the connected connection modules of the A include connecting rod, Metal connecting sheet and conducting point module, the connecting rod are separately connected box body is equipped with terminals two through tray interior A end face realizes the switching of electric energy metering combined wiring box working condition, institute by being moved forward and backward relative to described two end faces It states metal connecting sheet to be fixed in connecting rod, be connected or separated with movement and the conducting point module of connecting rod, the firing point Module is connect with the terminals on box body.
2. according to claim 1 point of rod-type electric energy metering combined wiring box, which is characterized in that the connecting rod includes the One connecting rod and the second connecting rod, the head rod is for constituting between A phase mains side voltages and A phase voltage mutual inductors Circuit, second connecting rod are used to constitute circuit or the A phase mains sides between A phase mains side electric currents and A phase current mutual inductors Electric current short circuit shuts off circuit.
3. according to claim 1 point of rod-type electric energy metering combined wiring box, which is characterized in that the metal connecting sheet The quantity of quantity and connecting rod matches.
4. according to claim 1 point of rod-type electric energy metering combined wiring box, which is characterized in that the conducting point module packet Include the first firing point component, the second firing point component and third firing point component, the first firing point component by with metal Connection sheet contact realizes that A phase mains side voltages are connected with the circuit between A phase voltage mutual inductors, and second feed-through assembly passes through It is contacted with metal connecting sheet and realizes that A phase mains side electric currents are connected with the circuit between A phase current mutual inductors, the third conducting group Part realizes that A phase mains side electric current short circuits shut off the conducting in circuit by being contacted with metal connecting sheet.
5. according to claim 4 point of rod-type electric energy metering combined wiring box, which is characterized in that the first firing point group Part includes mutual disconnected first firing point and the second firing point, and the A phase voltages of first firing point and box body are mutual The terminals of sensor connect, and the terminals of second firing point and the A phase mains side voltages of box body connect.
6. according to claim 4 point of rod-type electric energy metering combined wiring box, which is characterized in that the second firing point group Part includes mutual disconnected third firing point and the 4th firing point, the first A phase electricity of the third firing point and box body The terminals of current transformer connect, and the terminals of the 4th firing point and the first A phase mains side electric currents of box body connect.
7. according to claim 4 point of rod-type electric energy metering combined wiring box, which is characterized in that the third firing point group Part includes mutual disconnected 5th firing point and the 6th firing point, the 2nd A phase electricity of the 5th firing point and box body The terminals of source electric current connect, and the terminals of the 6th firing point and the first A phase mains side electric currents of box body connect.
8. according to claim 1 point of rod-type electric energy metering combined wiring box, which is characterized in that the conducting point module packet Include multiple metal screws for being fixed on tray interior.
9. according to claim 1 point of rod-type electric energy metering combined wiring box, which is characterized in that on the metal connecting sheet Equipped with notch, for being mutually clamped with conducting point module.
10. according to claim 1 point of rod-type electric energy metering combined wiring box, which is characterized in that the box body includes saturating Bright box body.
CN201810286956.0A 2018-03-30 2018-03-30 One kind dividing rod-type electric energy metering combined wiring box Pending CN108490231A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810286956.0A CN108490231A (en) 2018-03-30 2018-03-30 One kind dividing rod-type electric energy metering combined wiring box

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Application Number Priority Date Filing Date Title
CN201810286956.0A CN108490231A (en) 2018-03-30 2018-03-30 One kind dividing rod-type electric energy metering combined wiring box

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CN108490231A true CN108490231A (en) 2018-09-04

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109696573A (en) * 2018-12-10 2019-04-30 云南电网有限责任公司临沧供电局 A kind of Combined Trials terminal box

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4616177A (en) * 1984-05-17 1986-10-07 Esco Manufacturing Company Safety measurement device junction box
CN2321007Y (en) * 1998-03-20 1999-05-26 高密市供电局 Junction box for electric energy measuring device
CN201060217Y (en) * 2007-06-01 2008-05-14 姜琦 Electrical energy meter multifunctional wiring box
CN201145702Y (en) * 2008-01-16 2008-11-05 朱伟 Electric energy metering combined wiring box
CN203811656U (en) * 2014-03-04 2014-09-03 国家电网公司 Electric energy metering combined junction box

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4616177A (en) * 1984-05-17 1986-10-07 Esco Manufacturing Company Safety measurement device junction box
CN2321007Y (en) * 1998-03-20 1999-05-26 高密市供电局 Junction box for electric energy measuring device
CN201060217Y (en) * 2007-06-01 2008-05-14 姜琦 Electrical energy meter multifunctional wiring box
CN201145702Y (en) * 2008-01-16 2008-11-05 朱伟 Electric energy metering combined wiring box
CN203811656U (en) * 2014-03-04 2014-09-03 国家电网公司 Electric energy metering combined junction box

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109696573A (en) * 2018-12-10 2019-04-30 云南电网有限责任公司临沧供电局 A kind of Combined Trials terminal box

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Application publication date: 20180904

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