CN213660648U - Auxiliary wiring device for electric energy meter calibration - Google Patents

Abstract

The utility model discloses an electric energy meter calibration auxiliary connection device, including a plurality of wiring axles, main part, be equipped with a plurality of through-holes in the main part, the wiring axle cup joints with the through-hole, and through-hole one end is equipped with spacing draw-in groove, the wiring axle is including being surveyed section, joint section and detection section, the one end of joint section is equipped with the section of being surveyed, the other end of joint section is equipped with the detection section, the joint section is close to being surveyed section one end and is equipped with protruding edge, joint section surface still is equipped with anti-skidding line, be equipped with the jump ring in the detection section, the jump ring cup joints with the detection section, the jump ring pastes with the joint section and leans on, and the wiring axle inserts the main part and installs the back well, the joint section is in the through-hole, the through. The traditional wiring clamp is replaced by the wiring shaft, so that the operation safety coefficient and the signal connection stability are improved; the main body is provided with a plurality of groups of through holes, and the through holes can be freely matched with the spools according to the test environment; the wire connecting shaft is sleeved with the through hole, so that the wire connecting shaft is convenient to disassemble, assemble and store.

Description

Auxiliary wiring device for electric energy meter calibration

Technical Field

The utility model relates to an instrument test and calibration field especially relate to a termination is assisted in electric energy meter calibration.

Background

In the prior art, the electric energy meter needs to be manually clamped and connected, the clamp is easy to fall off, the danger of short circuit caused by wire collision exists, the labor intensity is high, and the working efficiency is low. For example, a "bus integrated type fast connection plug for calibration of electric energy meter" disclosed in chinese patent document, publication No. CN207516537U includes: the bus integrated type quick wiring plug is used for connecting the meter calibration table and the electric energy meter in batch detection work of the electric energy meter, so that the manual meter calibration wiring time is greatly reduced, the working efficiency is improved, and the occurrence of events such as clamp falling, mistaken touch, misconnection and the like can be solved. The termination mentioned in the above patent adopts the wiring plug to replace traditional crocodile to press from both sides, but still exists and can only use when single electric energy meter detects, then can't use to the electric energy meter of the difference of terminal quantity and structure.

SUMMERY OF THE UTILITY MODEL

The utility model discloses mainly be in order to solve prior art and need the manual clamp wiring when detecting the electric energy meter, have the clip easily to drop and bump the line short circuit problem, and current termination only is applicable to the problem that there is general not adaptation in the single type signal that detects single electric energy meter, provide one kind be used for when the electric energy meter check-up quick wiring and can be according to the electric energy meter port adjust the electric energy meter inspection auxiliary device who connects the spool.

In order to solve the above-mentioned purpose, the utility model adopts the following solutions:

the utility model provides an auxiliary wiring device for electric energy meter calibration, includes a plurality of wiring axles, characterized by still includes the main part, is equipped with a plurality of through-holes in the main part, the wiring axle cup joints with the main part. The quantity of wiring axle can be according to the port free collocation of the electric energy meter of being surveyed, and the main part adopts the electrical insulation material like the bakelite, adopts the digit control machine tool to process it to take damping measure such as control feed rate when the cutting, in order to improve work piece quality, the bakelite has good mechanical strength, prevents static, has good insulating nature, and heat-resisting, corrosion-resistant especially adapted do the main part material of ammeter check-up wiring stake.

Preferably, a limiting clamping groove is formed in the through hole. The through-hole internal diameter is the same with the spool external diameter, reaches the effect of tight fit when spool and through-hole joint, and the multiplicable several rings of anti-skidding lines improve the terminal and be connected with the main part in the through-hole and stabilize, and spool pushes in the through-hole from one end until blocking, and the draw-in groove guarantees that every spool is arranged neatly both ends and is exposed the length of main part unanimously, and the interval is even, and it is good with test end and surveyed end contact.

Preferably, the junction shaft includes by survey section, joint section and detection section, the one end of joint section is equipped with by the survey section, the other end of joint section is equipped with the detection section, the joint section is close to by survey section one end and is equipped with protruding edge. The whole cylindric that is of terminal shaft, terminal shaft joint section external diameter and main part through-hole internal diameter phase-match, be terminal shaft and main part tight fit, the external diameter and the length of surveyed the section are according to the size settlement of surveyed electricity meter port, the external diameter and the length of detection section are confirmed according to actual measuring environment and detection board interface condition, it is equipped with protruding edge to be close to surveyed section department in the joint section, protruding height and the sunken high phase-match of through-hole draw-in groove along protruding, when the terminal shaft inserts, protruding edge blocks with the recess, play limiting displacement, terminal detection section is different with surveyed section external diameter, the internal diameter at through-hole both ends is different, play the slow-witted effect of preventing, guarantee to detect the section and detect board interface ability stable contact, guarantee that signal transmission is accurate.

Preferably, the detection section is provided with a clamp spring, the clamp spring is sleeved with the detection section, and the clamp spring is attached to the clamping section. The inside diameter of the clamp spring is matched with the outside diameter of the detection section, the detection port of the detector is sleeved on the wire connecting shaft for the coil, and the clamp spring can play a role in blocking the connector of the detector and sliding along the axial direction.

Preferably, the main body is provided with a plurality of through hole groups, each through hole group is internally provided with a plurality of through holes, and the distance between the two through holes in the through hole groups is equal. The distance between every two through holes in each through hole group is matched with the distance between every two ports of the port to be tested, the sleeving through holes of the wire connecting shafts can be selected according to the port distance and the number of the tested electric meters, the sleeving through holes of the wire connecting shafts can also be selected according to the number of signals to be tested, the structure is flexibly changed, and the electric energy meter socket testing device is applicable to various testing environments and testing machines.

Preferably, after the wire connecting shaft is inserted, the clamping section is arranged in the through hole, and the section to be detected and the detection section respectively penetrate out of the through hole and are arranged outside the two ends. The wire connecting shaft is sleeved with the through hole, the tested section and the detection end are higher than the surface of the main body, the tested section is guaranteed to be in good contact with the port of the tested electric energy meter, the detection section is in good contact with the test wire of the detector, and signals are mutually insulated and do not interfere.

Preferably, the surface of the clamping section of the wire connecting shaft is also provided with anti-skid lines. The anti-slip rings are arranged on the clamping section of the wire connecting shaft, so that the friction coefficient between the wire connecting shaft and the through hole is increased, and the stability of the sleeving between the wire connecting shaft and the main body is ensured.

Preferably, the main body is made of an insulating material. The main body is in a long strip shape and comprises two end faces and four side faces, and the through holes are formed in the two opposite side faces of the main body and penetrate through the main body; the test wire of connecting the detector on the terminal shaft detection section is fixed during the detection, then will connect the spool to be surveyed the section and insert the test port of the electric energy meter that awaits measuring, and electric energy meter lower part draw-in groove is gone into to the main part card, and the terminal shaft plays the effect of transmission signal, so the main part need have good insulating nature and mechanical strength, guarantees that the terminal shaft connects stably, makes things convenient for manual handling operation.

Preferably, the wire connecting shaft is made of a benign conductive metal material. The wire connecting shaft plays a role in transmitting signals such as clocks and errors of the electric energy meter to the detector, and the required materials need to have good conductivity and certain mechanical strength, such as copper.

Preferably, the through holes are arranged side by side. A plurality of through-hole groups are arranged side by side on the side face of the main body, a plurality of through-holes are arranged in the through-hole groups, the through-holes in the through-hole groups are arranged side by side, and the positions and the number of the through-holes for installing the wiring shaft can be selected according to the wiring environment.

Therefore, the utility model has the advantages of (1), the spool replaces traditional binding clip, improves operating safety factor, signal connection's stability. (2) The main body is provided with a plurality of groups of through holes, and the through holes can be freely matched with the thread spool according to the test environment. (3) The wire connecting shaft is sleeved with the through hole, so that the wire connecting shaft is convenient to disassemble, assemble and store.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a schematic structural view of a connection shaft according to an embodiment of the present invention.

Fig. 3 is a schematic view of a main structure of an embodiment of the present invention.

In the figure: 1. main part 2, wiring shaft 3, through-hole 5, by section 6, joint section 7, detection section 8, jump ring of being surveyed.

Detailed Description

The technical solution of the present invention will be further described with reference to the accompanying drawings and specific embodiments.

Example (b):

as shown in fig. 1~3 a quick termination of electric energy meter primary and secondary school, including main part 1, 3 wiring axle 2 cup joints with main part 1, main part 1 is the cuboid, including both ends face and four sides, be equipped with two sets of through-hole groups on the main part 1 side by side, it is equipped with 5 through-holes 3 in the through-hole side by side to rent, be equipped with 4 through-holes 3 in another group of through-hole side by side, the interval is the same between the volume through-hole 3 in the through-hole group, through-hole 3 runs through two opposite side of main part, can come the free choice to take to connect the spool according to the port interval and the quantity of being surveyed the electric energy meter, flexible transformation structure, it is.

The main body 1 is made of insulating bakelite which has high mechanical strength, good insulativity, heat resistance and corrosion resistance. When termination cup jointed with the electric energy meter, 1 both ends of main part can be taken on the support of electric energy meter port lower part, and operating personnel can wear insulating gloves handheld main part both ends, with the measured section 5 alignment electric energy meter of spool 2 survey the port, insert when the installation with main part both ends card go into the support of electric energy meter lower part on the same trend, connect stably, easy operation is quick.

Connect spool 2 to divide into by survey section 5, joint section 6 and detection section 7, be equipped with protruding fixture block on the joint section 6, 5 tops in survey section are located to joint section 6, 6 tops in joint section are located to detection section 7. The whole cylindric that is of junction shaft, 6 external diameters of junction shaft joint section and the internal diameter phase-match of 1 through-hole 33 of main part are 2 and 1 tight suits of main part of junction shaft, are equipped with jump ring 8 on the junction shaft detection section 7, jump ring 8 cup joints with the detection section, jump ring 8 pastes with joint section 6 and leans on. The inside diameter of the clamp spring 8 is matched with the outside diameter of the detection section 7, the detection port of the detector is sleeved on the wire connecting shaft for the coil, and the clamp spring 8 can play a role in blocking the connector of the detector and sliding along the axial direction. Be close to on the joint section and be equipped with protruding edge by 5 departments of survey section, protruding height and the height phase-match of 3 draw-in grooves subsides of through-hole along bellied, when spool 2 inserts, protruding edge blocks with the recess, play limiting displacement, the detection section 6 of spool 2 is different with 5 external diameters of survey section, the internal diameter at 3 both ends of through-hole is different, play the effect that the direction was judged to the auxiliary plate, guarantee that detection section 7 can the stable contact with the detection board interface, guarantee that signal transmission is accurate.

The outer diameter and the length of the section to be detected 5 are set according to the size of the port of the energy meter to be detected, the outer diameter and the length of the detection section 7 are determined according to the actual detection environment and the condition of the detection machine interface, the detection section 7 and the detection machine interface can be stably contacted, and the accuracy of signal transmission is ensured.

The surface of the clamping section 6 of the wire connecting shaft 2 is also provided with anti-skid lines. Be equipped with three rings of antiskid circle on the section 6 of connecing 2 joints of spool, increase the coefficient of friction between spool 2 and the through-hole 3, guarantee that spool 2 cup joints stably with main part 1.

The wiring shaft 2 is made of stainless steel, the wiring shaft 2 plays a role in transmitting signals such as clocks of electric energy meters and errors to the detector, and required materials need to have good conductivity and certain mechanical strength, such as copper and the like, so that the chemical property is stable, and the wiring shaft is not easy to oxidize in the air.

Before the detection operation, according to the port model and the quantity of the electric energy meter to be detected, the corresponding wiring shaft 2 is selected to be inserted into the corresponding through hole 33 until the wiring shaft is clamped, because the openings on the two sides of the through hole are different in size, an operator only needs to push the detection section 7 opposite to the clamping groove side of the through hole 3 to clamp the through hole, the wiring shaft 2 is ensured to be stably sleeved, the instrument test wire and the wiring shaft 2 are sleeved and fixed, the test wire and the main body 1 can be fixed by a binding belt, the tester well takes the anti-static gloves, the two sides of the main body 1 are held, the tested section 5 of the wiring shaft 2 is aligned with the port of the electric energy meter to be detected, then the main body 1 is pushed into a support at the lower part of the electric energy meter to be.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.

Although terms such as body, wire axis, etc. are used more herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.

Claims (10)

1. The utility model provides an auxiliary wiring device for electric energy meter calibration, includes a plurality of wiring axles (2), characterized by still includes main part (1), be equipped with a plurality of through-holes (3) on main part (1), wiring axle (2) cup joint with through-hole (3).

2. The auxiliary wiring device for the verification of the electric energy meter as claimed in claim 1, wherein one end of the through hole (3) is provided with a limiting clamping groove.

3. The electric energy meter calibration auxiliary wiring device as claimed in claim 2, wherein the wiring shaft (2) comprises a tested section (5), a clamping section (6) and a detection section (7), the tested section (5) is arranged at one end of the clamping section, the detection section (7) is arranged at the other end of the clamping section (6), and a convex edge is arranged at one end, close to the tested section (5), of the clamping section (6).

4. The electric energy meter calibration auxiliary wiring device as claimed in claim 3, wherein a clamp spring (8) is arranged on the detection section (7), the clamp spring (8) is sleeved with the detection section (7), and the clamp spring (8) is attached to the clamping section (6).

5. The electric energy meter calibration auxiliary wiring device according to claim 1 or 2, wherein a plurality of through hole groups are arranged on the main body, a plurality of through holes (3) are arranged in each through hole group, and the distances between the two through holes (3) in the through hole groups are equal.

6. The auxiliary wiring device for the electric energy meter calibration as claimed in claim 4, wherein after the wiring shaft is inserted into the main body (1) and installed, the clamping section (6) is arranged in the through hole (3), and the section to be tested (5) and the detection section (7) respectively penetrate out of the through hole (3) and are arranged outside the two ends.

7. The electric energy meter calibration auxiliary wiring device as claimed in claim 3 or 4, wherein the surface of the clamping section (6) of the wiring shaft (2) is further provided with anti-skid lines.

8. The electric energy meter calibration auxiliary wiring device as claimed in claim 2, wherein the main body (1) is made of an insulating material.

9. An electric energy meter verification auxiliary wiring device according to claim 1 or 4, characterized in that the wiring shaft (2) is made of benign conductive metal.

10. An electric energy meter inspection auxiliary terminal according to claim 1 or 8, characterized in that the through holes (3) are arranged side by side.

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