CN106353710B - Switching clamp for testing performance of ANSI standard round electric energy meter - Google Patents
Switching clamp for testing performance of ANSI standard round electric energy meter Download PDFInfo
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- CN106353710B CN106353710B CN201610719002.5A CN201610719002A CN106353710B CN 106353710 B CN106353710 B CN 106353710B CN 201610719002 A CN201610719002 A CN 201610719002A CN 106353710 B CN106353710 B CN 106353710B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass
- G01R35/04—Testing or calibrating of apparatus covered by the other groups of this subclass of instruments for measuring time integral of power or current
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Abstract
The invention discloses a transfer clamp for testing the performance of an ANSI standard round electric energy meter, which comprises a fixed bottom plate assembly, a movable upper plate, a pressing mechanism, a voltage probe connecting circuit board and a phenotype selecting circuit board, wherein the fixed bottom plate assembly comprises a fixed bottom plate, a plug-in assembly and a voltage testing probe which are connected to the fixed bottom plate assembly, the movable upper plate is elastically assembled above the fixed bottom plate, the plug-in assembly and the testing probe freely pass through the movable upper plate, the pressing mechanism is positioned on the upper side of the movable upper plate, the voltage probe connecting circuit board is assembled on the lower side of the fixed bottom plate, and the voltage testing probe on the voltage probe connecting circuit board sequentially passes through the fixed bottom plate and the movable upper plate. The fixed bottom plate and the phenotype selection circuit board are respectively connected with a bottom box and a wiring terminal box of the national grid three-phase electric energy meter. The terminal of the circular electric energy meter is inserted into the plug-in assembly, the plug-in assembly is pressed and loosened by the pressing assembly through the movable upper plate, performance test of the circular electric energy meter is achieved during pressing, and the circular electric energy meter after test is pulled out during loosening.
Description
Technical Field
The invention relates to an ANSI standard circular electric energy meter, in particular to a transfer clamp for testing the performance of the ANSI standard circular electric energy meter.
Background
The electric energy meter of ANSI standard is an electric energy meter of standard issued by American national standards institute. The electric energy meter shell of ANSI standard is circular, its connection of voltage, electric current is the structure of inserting the slice, and there is very big difference in structure with the standard issued by national electric wire netting and southern electric wire netting of our country, so the platform body for detecting the national netlist and the south netlist can't be compatible to test this circular electric energy meter. Circular electric energy meters are subdivided into ten different phenotypes of 1s, 2s, 3s, 4s, 5s, 8s, 9s, 12s, 15s and 16s, and the voltage and current terminal positions and the number of each phenotype are different.
Therefore, for the detection of circular power meters, since the dedicated test devices for each phenotype are not compatible with other phenotypes of the ANSI standard, the corresponding dedicated test device is typically purchased for each phenotype.
For electric energy meter manufacturing enterprises, because the inspection devices of different phenotypes are different, if the production of different phenotypes is required, the inspection device corresponding to each phenotype must be purchased, so that the investment cost is high and the occupied space is large. Because the phenotype required by the order is likely to change at any time, the idling rate of some inspection devices is high. In addition, the inspection device is maintenance-requiring, which increases maintenance costs.
Disclosure of Invention
The invention aims to provide a universal switching clamp which enables various types of ANSI standard electric energy meters to be inspected on a national network electric energy meter performance inspection device or tool, and reduces the production cost of the ANSI standard round electric energy meter.
The invention provides a transfer clamp for testing the performance of an ANSI standard round electric energy meter, which is used in combination with a bottom box and a direct access type wiring terminal box of a national grid three-phase electric energy meter, and comprises a fixed bottom plate assembly, a movable upper plate, a pressing mechanism, a voltage probe connecting circuit board and a phenotype selecting circuit board, wherein the fixed bottom plate assembly comprises a fixed bottom plate, a plug-in assembly, a voltage testing probe, a guide column with a spring and a fixed supporting member which are arranged on the fixed bottom plate assembly; the fixed bottom plate is fastened in the bottom box; the movable upper plate is positioned above the fixed bottom plate, the voltage probe connecting circuit board is arranged on the lower side of the fixed bottom plate, and the voltage test probes thereon sequentially penetrate through the fixed bottom plate and the movable upper plate; the plug-in assembly, the voltage test probe, the guide post and the fixed supporting member on the fixed bottom plate vertically penetrate through the movable upper plate, and the spring is positioned between the fixed bottom plate and the movable upper plate; the plug-in assembly comprises a stator and a rotor, the terminals of the circular electric energy meter are plugged between the stator and the rotor, and the bottoms of the stator and the rotor are connected into the wiring terminal box through copper wires; the phenotype selection circuit board is arranged on the wiring terminal box, and the voltage vision probe is connected with the phenotype selection circuit board through copper wires respectively; the upper part of the movable plate is provided with an inclined groove along the up-down direction, the corresponding movable plate is provided with a fixed bracket, the fixed bracket is connected with the upper part of the movable plate into a whole through an upper cylindrical pin which can slide along the inclined groove, and the upper cylindrical pin moves up and down along the inclined groove so as to enable the upper part of the movable plate to horizontally move, so that the gap between the upper part of the movable plate and the fixed plate is changed; the elastic clamping hook assembly is fixed on the movable upper plate, the handle assembly is perpendicular to the elastic clamping hook assembly through the fixed supporting component and is connected to the upper portion of the movable upper plate, the handle assembly presses the movable upper plate downwards to enable the movable upper plate to move downwards together with the fixed support and the upper cylindrical pin with the clamping spring, the movable plate and the fixed plate compress the terminals of the circular electric energy meter to conduct performance inspection, after the inspection is completed, the handle assembly loosens the movable upper plate, the spring on the guide post enables the movable upper plate to move upwards to return with the fixed support and the upper cylindrical pin, the movable plate loosens the terminals of the circular electric energy meter, and the circular electric energy meter is detached.
The fixed bottom plate is a rectangular composite plate of a steel plate and an injection molding wrapping plate, one side of a pair of side edges of the fixed bottom plate is provided with a U-shaped groove, the fixed supporting member is a rectangular plate with an arc upper end, two fixed supporting members are symmetrically connected to the other pair of side edges of the fixed bottom plate, four guide posts are uniformly distributed at four corners of the fixed bottom plate, and the plug assembly is provided with six groups and is arranged in an area between the four guide posts.
The stator is an integral piece of an upper U-shaped plate and a lower wiring board, two sides of the U-shaped plate are connected with the fixed bottom plate through clamping grooves, the moving plate is an integral piece of an upper chip head and the lower wiring board, the lower wiring boards of the stator and the moving plate penetrate through the fixed bottom plate, wiring holes are respectively formed in the bottoms of the two lower wiring boards, and the wiring terminal box is connected through copper wires; the inclined groove is positioned on the upper slice head of the moving slice and is obliquely arranged along the up-down direction of the upper slice head, and the bottom of the upper slice head is provided with a connecting hole along the left-right direction; the bottom of the U-shaped plate of the stator is connected with a shaft pin seat, the upper part of the shaft pin seat is positioned in a notch of the U-shaped plate, the lower part of the shaft pin seat is spliced with the fixed bottom plate into a whole, and the shaft pin seat and a connecting hole at the bottom of the upper chip head of the rotor are connected with each other into a whole through a lower cylindrical pin with a clamp spring; the upper cylindrical pin enables the upper sheet head to rotate around the lower cylindrical pin.
The six groups of plug-in components are uniformly distributed in two rows, each row is provided with two groups of stator plates which are arranged adjacently in the same direction, the stator plates of the third group are reversely arranged at intervals, and three voltage test needles are arranged between the third stator plate and the second stator plate.
The voltage probe connecting circuit board is connected with a row of seven voltage test probes, and corresponding seven voltage test pin mounting holes are arranged between two rows of sheets on the fixed bottom plate.
The movable upper plate is a rectangular plate corresponding to the fixed bottom plate, each connecting piece on the fixed bottom plate and the movable telescopic hole of the voltage test probe are formed in the movable upper plate, and a strip-shaped reinforced steel plate is connected to the side edge of the movable upper plate, corresponding to the penetrating side edge of the fixed supporting member.
The handle assembly comprises a handle head, handle arms, handle rods and clamping handle posts, wherein the handle head is two, the front end of the handle head is of a cam type structure, grooves for clamping the fixed support members are formed in the cam type structure, the cam type structure is hinged to the upper ends of the fixed support members through a rotation center hole of the cam type structure and cylindrical pins with clamp springs, the handle arms are two and are respectively connected to the rear ends of the handle head along the rear inclined direction, the handle rods are connected to the upper ends of the two handle arms, and the clamping handle posts are two and are respectively connected to the rear ends of the handle head and the lower sides of the handle arms along the horizontal direction in parallel.
The elastic clamping hook assemblies are two groups, each group of elastic clamping hook assemblies comprises clamping hooks, connecting rods, compression springs, arc handles and a cuboid box body, the connecting rods penetrate through the cuboid box body, the clamping hooks and the hand arc handles are connected to two ends of the connecting rods respectively, the compression springs are sleeved between the clamping hooks on the connecting rods and the cuboid box body, the two groups of elastic clamping hook assemblies are symmetrically arranged on the movable upper plate in an adjacent mode through the arc handles, the two groups of elastic clamping hook assemblies are perpendicular to one side edge of the reinforced steel plate, and the clamping hooks are stretched through the pulling handles.
When the handle component is pressed down, the outer end of the clamping handle column is clamped at the clamping hook.
Ten groups of double rows of pins are welded on the phenotype selection circuit board and used for being inserted into the jumper connection sheet.
This changeover anchor clamps only need borrow the end box and the binding post box of direct access of national net three-phase table, can realize the circular electric energy meter performance inspection of the ANSI standard of various models, and specifically as follows: the method comprises the steps of fastening a fixed bottom plate of a switching fixture on a bottom box, installing a phenotype selection circuit board on a wiring terminal box, fixing a voltage probe connection circuit board on the lower side of the fixed bottom plate, enabling a voltage test probe on the voltage probe connection circuit board to penetrate through the fixed bottom plate and be connected with the phenotype selection circuit board through a wire, forming elastic assembly between a fixed bottom plate assembly and a movable upper plate, enabling a fixed support on the movable upper plate to be connected with a movable plate of a plug assembly on the fixed bottom plate assembly through an upper cylindrical pin into a whole, respectively connecting the movable plate and a fixed plate of the plug assembly through the wire with the wiring terminal box, and realizing horizontal movement of the movable plate through compression and relaxation of a handle assembly, so that the change of a gap between the movable plate and the fixed plate of the plug assembly is realized, performance inspection and extraction after inspection of a round electric energy meter terminal are realized, positioning when the movable upper plate is compressed through an elastic clamping hook assembly, and realizing the performance inspection of round electric energy meters of different phenotypes through plug jumper connection pieces at different positions on the phenotype selection circuit board, that is universal.
Drawings
Fig. 1 is a schematic structural view of an embodiment of the present invention.
Fig. 2 is an enlarged schematic view of the fixed base plate assembly (the current mover is not shown).
Fig. 3 is an enlarged assembly schematic view of the movable upper plate, the fixed bracket, the reinforced steel plate and the elastic hook component.
Fig. 4 is an enlarged assembly schematic view of the plug assembly and the fixing bracket.
Fig. 5 is an enlarged schematic view of the compression handle assembly.
Fig. 6 is a schematic diagram of a voltage probe connection circuit board with a voltage test probe connected thereto.
Detailed Description
The transfer clamp for testing the performance of the ANSI standard circular electric energy meter is matched with the bottom box DH of the national grid three-phase electric energy meter and the direct access type wiring terminal box DZH, and the test device of the national grid three-phase electric energy meter is used for testing the performance of the ANSI standard circular electric energy meter, so that the production cost of the circular electric energy meter is reduced.
As can be seen from fig. 1, the switching fixture comprises a fixed bottom plate 1, a movable upper plate 2, a plug-in assembly 3, a handle assembly 4, an elastic clamping hook assembly 5, a phenotype selection circuit board 6, a voltage test probe 7, a fixed bracket 8, a fixed supporting member 9, a guide post 10 and a reinforced steel plate 12.
As can be seen by combining fig. 1, 2 and 4, the fixed bottom plate 1 is a rectangular plate, four guide posts 10 are distributed at four corners of the rectangular plate, springs 11 are sleeved on each guide post 10, two plate fixing and supporting members 9 with arc upper ends are symmetrically connected to one side, two rows of six groups of plug-in components 3 and three voltage test probes 7 are installed in the middle area, and a row of telescopic movable holes 1A of seven voltage test probes 7 are reserved between the two rows of plug-in components 3. Each set of plug assemblies 3 includes a stator 31, a rotor 32 and a pin boss 33. The stator 31 is an integral piece of the upper U-shaped plate and the lower wiring board, and two sides of the U-shaped plate are connected with the fixed bottom plate 1 through clamping grooves. The moving plate 32 is an integral piece of an upper plate head and a lower wiring board, the upper plate head is provided with an inclined groove along the up-down direction, and the bottom is provided with a connecting hole along the left-right direction. The axle pin holder 33 is attached to the bottom of the stator U-shaped plate, the upper part of the fixing plate is positioned in the notch of the U-shaped plate, and the lower part of the fixing plate is spliced with the fixing bottom plate 1 into a whole. The shaft pin seat 33 and the connecting hole at the bottom of the upper sheet head of the movable sheet are connected into a whole through the lower cylindrical pin with the clamp spring, and the upper sheet head can rotate around the lower cylindrical pin.
The lower wiring boards of the stator 31 and the rotor 32 pass through the fixed bottom plate 1, and wiring holes are respectively formed in the bottoms of the lower wiring boards.
In order to ensure the electrical property insulation and the structural strength of the clamp, the fixed bottom plate 1 is processed by adopting a process of injection molding and wrapping a steel plate, namely, the fixed bottom plate 1 is composed of a steel plate with various holes processed on the inner layer and an injection molding and wrapping plate on the outer layer. Four injection molding positioning holes 1B and four mounting holes 1C connected with the bottom box are also processed on the fixed bottom plate 1.
As can be seen from fig. 1, 3 and 4, the movable upper plate 2 is a rectangular plate corresponding to the fixed bottom plate 1, and is provided with a guide post mounting hole 2A, a movable telescopic hole 2B of ten voltage vision probe 7 and a telescopic movable hole 2C of the plug-in component. The side edge of the reinforcing steel plate corresponding to the fixed supporting member 9 is connected with a strip-shaped reinforcing steel plate 12, and the reinforcing steel plate 12 is provided with corresponding mounting holes 121 of the fixed supporting member 9. The movable telescopic holes of the plug-in assembly 3 can also meet the plug-in of various circular electric energy meters. The fixed support 8 is fastened at the movable plate 2 corresponding to the movable plate 32 of the plug-in assembly 3, and is connected with the movable plate into a whole through an upper cylindrical pin with a clamp spring penetrating through an upper inclined groove of the movable plate, the outer diameter of the upper cylindrical pin is smaller than the size of the inclined groove, and the upper cylindrical pin can slide up and down along the inclined groove. The horizontal movement of the upper sheet head is realized through the up-and-down movement of the upper cylindrical pin, so that the gap between the movable sheet and the fixed sheet is changed.
As can be seen in connection with fig. 1 and 5, the handle assembly 4 includes a handle head 41, a handle arm 42, a handle lever 43 and a gripping stem 44. The two handle heads 41 are provided with a cam-shaped structure at the front end and a groove for clamping the fixed supporting member 9, and the cam-shaped structure is hinged at the upper end of the fixed supporting member 9 through a rotation center hole and a cylindrical pin 45 with a clamp spring, so that the lower end of the cam-shaped structure is contacted with the upper surface of the reinforced steel plate 12 on the movable upper plate 2 to convert the rotation motion of the cam-shaped structure into the up-and-down motion of the movable upper plate 2. The two handle arms 42 are connected to the rear end of the handle head 41 in the backward tilting direction, and the handle lever 43 is connected to the upper ends of the two handle arms 42. Two clamping handles 44 are respectively connected in parallel to the rear end of the handle head 41 and below the handle arm 42 in the horizontal direction.
As can be seen in fig. 1 and 3, the elastic hook assemblies 5 have two groups, each group of elastic hook assemblies 5 includes a hook 51, a connecting rod 52, a compression spring 53, an arc handle 54 and a cuboid box 55, the connecting rod 52 passes through the cuboid box 55, the hook 51 and the arc handle 54 are respectively connected to two ends of the rectangular box 55, and the compression spring 53 is sleeved between the hook 51 and the cuboid box 55 on the connecting rod 52. The two groups of elastic clamping hook assemblies 5 are adjacently and symmetrically arranged on one side edge of the movable upper plate 5, which is perpendicular to the reinforced steel plate 12, through the handle ends, and the clamping hooks 51 are stretched by pulling the arc-shaped handles 54. A limiting cylinder 13 is arranged between the two groups of elastic clamping hook components.
The outer side of the clamping hook 51 is an inclined plane, the inner side is an arc concave surface, when the handle assembly 4 is pressed downwards, the clamping handle post 44 can horizontally retract the clamping hook 51 under a certain force, and after the clamping handle post 44 passes through the outer side inclined plane of the clamping hook 51, the clamping hook 51 is enabled to spring back to hook the clamping handle post 44 pressed in place by the compression spring 52, so that a locking function is realized. Tightening the arcuate handles 54 pulls the catch 51 to release the gripping stem 44.
The fixture has two circuit boards, one is a voltage probe connection circuit board 14, and the other is a phenotype selection circuit board 6. As shown in fig. 6, seven voltage test probes 7 with crown-shaped heads are welded on the voltage probe connection circuit board 14, and as shown in fig. 1, the voltage probe connection circuit board 14 is mounted at the bottom of the fixed bottom plate 1, and the seven voltage test probes thereon sequentially pass through the fixed bottom plate 1 and the movable upper plate 2. Ten groups of double rows of pins are welded on the phenotype selection circuit board 6 and are used for being inserted with jumper wire connecting sheets and processed according to the conventional technology.
The method comprises the steps that firstly, a fixed bottom plate 1 of the switching clamp is fastened on a bottom box DH of a national grid three-phase electric energy meter through mounting holes and fastening screws on the fixed bottom plate, and a U-shaped groove is formed in one side, corresponding to the national grid three-phase electric energy meter wiring terminal box DZH, of the fixed bottom plate 1; and then assembling all parts of the switching clamp, wherein the specific assembly process is as follows: the assembly process of the switching clamp is as follows: firstly, assembling a fixed supporting member, a plug-in assembly, a guide column, three voltage test probes, a voltage probe connecting circuit board and a voltage test probe assembly connected with the voltage test probes and a fixed bottom plate to form a fixed bottom plate assembly; assembling the fixed bracket, the reinforced steel plate and the elastic clamping hook component on the movable upper plate to form a movable upper plate component; then the movable upper plate component and the fixed bottom plate component are assembled, so that after the fixed supporting component, the splicing component, the guide post and the three voltage test probes pass through corresponding movable telescopic holes on the movable upper plate, the fixed support and the movable plate are connected into a whole through an upper cylindrical pin with a clamp spring, which passes through an inclined slot of the upper plate head of the movable plate; then the handle head of the handle component and the fixed supporting component are hinged into a whole through a cylindrical pin with a clamp spring, and when the handle component is pressed down, the outer end of the clamping handle column is hooked by a clamping hook of the elastic clamping hook component.
After the switching fixture is assembled, the phenotype selection circuit board 6 is connected to the direct-access type wiring terminal box 7 of the national grid three-phase electric energy meter, three voltage test probes connected to the fixed bottom plate are connected with the direct-access type wiring terminal box DZH of the national grid three-phase electric energy meter through copper wires, seven voltage test probes connected to the voltage probe connection circuit board are connected with the phenotype selection circuit board through copper wires respectively, and the lower wiring boards of the fixed plates and the movable plates of the plug-in assembly are connected with the phenotype selection circuit board 8 through copper wires respectively.
The current terminal of the circular electric energy meter is inserted between the stator and the rotor, the voltage testing probe is contacted with the voltage terminal of the circular electric energy meter, and the jumper connection point on the phenotype circuit board is selected according to the specific circular electric energy meter phenotype, and the jumper connection piece is inserted to perform the performance test of the circular electric energy meter. The compatibility test of the circular electric energy meters can be realized through the phenotype selection circuit board.
The specific test working principle is as follows: before the circular ammeter inserts the changeover anchor clamps, open the handle subassembly, make to have certain clearance between grafting subassembly's stator and the moving plate, after the circular ammeter inserts, when pushing down the handle subassembly, the rotary motion of the cam type structure of its handle head converts the downward motion of movable upper plate into, and when the movable upper plate had fixed bolster and last cylindric lock downward motion, thereby the last cylindric lock compresses tightly the last head of moving plate so that go up head and stator compress tightly the grafting terminal realization of circular ammeter and switch on and can carry out the performance inspection of circular ammeter. After the test is finished, the arc handles of the two elastic clamping hook assemblies are pinched, so that the clamping hooks loosen the clamping handle column of the handle assembly, then the handle assembly is opened, and the spring on the guide column enables the movable upper plate to be elastically connected with the fixed bottom plate, so that after the handle assembly is opened, the movable upper plate returns upwards under the action of the spring, and simultaneously, the fixed support and the upper cylindrical pin are carried to move upwards, so that the upper piece head of the moving piece of the inserting assembly is loosened, the inserting terminal of the circular electric energy meter is enabled to be taken down from the clamp, and the next circular electric energy meter is checked.
Claims (10)
1. The utility model provides a switching anchor clamps of circular electric energy meter performance inspection of ANSI standard, cooperation national grid three-phase electric energy meter's end box and direct access formula binding post box use, its characterized in that: the device comprises a fixed bottom plate assembly, a movable upper plate, a pressing mechanism, a voltage probe connecting circuit board and a phenotype selecting circuit board, wherein the fixed bottom plate assembly comprises a fixed bottom plate, a plug-in assembly, a voltage test probe, a guide column with a spring and a fixed supporting member which are arranged on the fixed bottom plate assembly; the phenotype selection circuit board is connected with a jumper connection sheet;
the fixed bottom plate is fastened in the bottom box; the movable upper plate is positioned above the fixed bottom plate, the voltage probe connecting circuit board is arranged on the lower side of the fixed bottom plate, and the voltage test probes thereon sequentially penetrate through the fixed bottom plate and the movable upper plate; the plug-in assembly, the voltage test probe, the guide post and the fixed supporting member on the fixed bottom plate vertically penetrate through the movable upper plate, and the spring is positioned between the fixed bottom plate and the movable upper plate; the plug-in assembly comprises a stator and a rotor, the terminals of the circular electric energy meter are plugged between the stator and the rotor, and the bottoms of the stator and the rotor are connected into the wiring terminal box through copper wires; the phenotype selection circuit board is arranged on the wiring terminal box, and the voltage test probes are respectively connected with the phenotype selection circuit board through copper wires;
the upper part of the movable plate is provided with an inclined groove along the up-down direction, the corresponding movable plate is provided with a fixed bracket, the fixed bracket is connected with the upper part of the movable plate into a whole through an upper cylindrical pin which can slide along the inclined groove, and the upper cylindrical pin moves up and down along the inclined groove so as to enable the upper part of the movable plate to horizontally move, so that the gap between the upper part of the movable plate and the fixed plate is changed;
the elastic clamping hook assembly is fixed on the movable upper plate, the handle assembly is perpendicular to the elastic clamping hook assembly through the fixed supporting component and is connected to the upper portion of the movable upper plate, the handle assembly presses the movable upper plate downwards to enable the movable upper plate to move downwards together with the fixed support and the upper cylindrical pin with the clamping spring, the movable plate and the fixed plate compress the terminals of the circular electric energy meter to conduct performance inspection, after the inspection is completed, the handle assembly loosens the movable upper plate, the spring on the guide post enables the movable upper plate to move upwards to return with the fixed support and the upper cylindrical pin, the movable plate loosens the terminals of the circular electric energy meter, and the circular electric energy meter is detached.
2. The adapter fixture for ANSI standard circular ammeter performance test of claim 1 wherein: the fixed bottom plate is a rectangular composite plate of a steel plate and an injection molding wrapping plate, one side of a pair of side edges of the fixed bottom plate is provided with a U-shaped groove, the fixed supporting member is a rectangular plate with an arc upper end, two fixed supporting members are symmetrically connected to the other pair of side edges of the fixed bottom plate, four guide posts are uniformly distributed at four corners of the fixed bottom plate, and the plug assembly is provided with six groups and is arranged in an area between the four guide posts.
3. The adapter fixture for ANSI standard circular ammeter performance test of claim 2 wherein: the stator is an integral piece of an upper U-shaped plate and a lower wiring board, two sides of the U-shaped plate are connected with the fixed bottom plate through clamping grooves, the moving plate is an integral piece of an upper chip head and the lower wiring board, the lower wiring boards of the stator and the moving plate penetrate through the fixed bottom plate, wiring holes are respectively formed in the bottoms of the two lower wiring boards, and the wiring terminal box is connected through copper wires; the inclined groove is positioned on the upper slice head of the moving slice and is obliquely arranged along the up-down direction of the upper slice head, and the bottom of the upper slice head is provided with a connecting hole along the left-right direction; the bottom of the U-shaped plate of the stator is connected with a shaft pin seat, the upper part of the shaft pin seat is positioned in a notch of the U-shaped plate, the lower part of the shaft pin seat is spliced with the fixed bottom plate into a whole, and the shaft pin seat and a connecting hole at the bottom of the upper chip head of the rotor are connected with each other into a whole through a lower cylindrical pin with a clamp spring; the upper cylindrical pin enables the upper sheet head to rotate around the lower cylindrical pin.
4. The ANSI standard circular ammeter performance test transition fixture of claim 3 wherein: the six groups of plug-in components are uniformly distributed in two rows, each row is provided with two groups of stator plates which are arranged adjacently in the same direction, the stator plates of the third group are reversely arranged at intervals, and three voltage test probes are arranged between the third stator plate and the second stator plate.
5. The ANSI standard circular ammeter performance test transition fixture of claim 4 wherein: the voltage probe connecting circuit board is connected with a row of seven voltage test probes, and corresponding seven voltage test pin mounting holes are arranged between two rows of sheets on the fixed bottom plate.
6. The ANSI standard circular ammeter performance test transition fixture of claim 5 wherein: the movable upper plate is a rectangular plate corresponding to the fixed bottom plate, each connecting piece on the fixed bottom plate and the movable telescopic hole of the voltage test probe are formed in the movable upper plate, and a strip-shaped reinforced steel plate is connected to the side edge of the movable upper plate, corresponding to the penetrating side edge of the fixed supporting member.
7. The ANSI standard circular ammeter performance test transition fixture of claim 6 wherein: the handle assembly comprises a handle head, handle arms, handle rods and clamping handle posts, wherein the handle head is two, the front end of the handle head is of a cam type structure, grooves for clamping the fixed support members are formed in the cam type structure, the cam type structure is hinged to the upper ends of the fixed support members through a rotation center hole of the cam type structure and cylindrical pins with clamp springs, the handle arms are two and are respectively connected to the rear ends of the handle head along the rear inclined direction, the handle rods are connected to the upper ends of the two handle arms, and the clamping handle posts are two and are respectively connected to the rear ends of the handle head and the lower sides of the handle arms along the horizontal direction in parallel.
8. The adapter fixture for ANSI standard circular ammeter performance test as defined in claim 7 wherein: the elastic clamping hook assemblies are two groups, each group of elastic clamping hook assemblies comprises clamping hooks, connecting rods, compression springs, arc handles and a cuboid box body, the connecting rods penetrate through the cuboid box body, the clamping hooks and the arc handles are respectively connected to the two ends of the connecting rods, the compression springs are sleeved between the clamping hooks on the connecting rods and the cuboid box body, the two groups of elastic clamping hook assemblies are symmetrically arranged on the movable upper plate in an adjacent mode through the arc handles, the two groups of elastic clamping hook assemblies are perpendicular to one side edge of the reinforced steel plate, and the clamping hooks are stretched through the pulling handles.
9. The adapter fixture for ANSI standard circular ammeter performance test of claim 8 wherein: when the handle component is pressed down, the outer end of the clamping handle column is clamped at the clamping hook.
10. The adapter fixture for ANSI standard circular ammeter performance test of claim 1 wherein: ten groups of double rows of pins are welded on the phenotype selection circuit board and used for being inserted into the jumper connection sheet.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610719002.5A CN106353710B (en) | 2016-08-25 | 2016-08-25 | Switching clamp for testing performance of ANSI standard round electric energy meter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610719002.5A CN106353710B (en) | 2016-08-25 | 2016-08-25 | Switching clamp for testing performance of ANSI standard round electric energy meter |
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| CN106353710A CN106353710A (en) | 2017-01-25 |
| CN106353710B true CN106353710B (en) | 2023-06-20 |
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| CN201610719002.5A Active CN106353710B (en) | 2016-08-25 | 2016-08-25 | Switching clamp for testing performance of ANSI standard round electric energy meter |
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| CN107167761A (en) * | 2017-07-21 | 2017-09-15 | 威胜集团有限公司 | A kind of special fixture tested for embedded electric energy meter |
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| US8717007B2 (en) * | 2008-10-10 | 2014-05-06 | Electro Industries/Gauge Tech | Intelligent electronic device having a terminal assembly for coupling to a meter mounting socket |
-
2016
- 2016-08-25 CN CN201610719002.5A patent/CN106353710B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US6059605A (en) * | 1997-10-30 | 2000-05-09 | Ekstrom Industries, Inc. | Watthour meter socket adapter |
| WO2013148336A1 (en) * | 2012-03-28 | 2013-10-03 | Radian Research, Inc. | Universal watthour meter socket/adapter for field testing |
| CN104765014A (en) * | 2015-02-06 | 2015-07-08 | 海盐盛迪电子科技有限公司 | Detection tool for ANSI standard electric energy meter |
| CN205210299U (en) * | 2015-12-04 | 2016-05-04 | 浙江盛迪科技股份有限公司 | Electronic detection device of electric energy meter |
| CN206002683U (en) * | 2016-08-25 | 2017-03-08 | 威胜集团有限公司 | The switching fixture of the circular electric energy meter service check of ansi standard |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106353710A (en) | 2017-01-25 |
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