CN218917617U - Ammeter aging testing device - Google Patents

Abstract

The utility model discloses an ammeter aging testing device which comprises a support frame and a voltage and current loader, wherein one or more transverse placing pallets are arranged at the position higher than a reference plane of the support frame, an ammeter can be borne on the upper surface of each placing pallet, a standard meter and one or more testing ammeters can be arranged on each placing pallet in an arraying mode, voltage lines are respectively arranged on the standard meter and the testing ammeters and are connected with the voltage output end of the voltage and current loader, and the standard meter and the testing ammeters are connected in series through a single current line and are connected to the current output end and the current input end of the voltage and current loader. When the voltage test is performed, the voltage lines of each ammeter are independently arranged, so that the influence of the power consumption of the ammeter on the test value can be effectively avoided, the error of the test ammeter can be effectively obtained through the value of the standard meter with higher comparison precision, and further, the more accurate test value is obtained.

Description

Ammeter aging testing device

Technical Field

The utility model relates to the technical field of power element testing equipment, in particular to an ammeter aging testing device.

Background

In order to screen out the ammeter of rejecting failure or variable value, can carry out ageing test before the ammeter leaves the factory, under the general condition, the ammeter is required to be electrified and aged for 72 hours, and the numerical value of test ammeter is compared with the standard table, when the error of test ammeter and standard table does not exceed a certain ratio, then the demonstration ammeter can normally be used, accords with the standard of leaving the factory, otherwise, then the demonstration ammeter has the problem, need carry out additional processing to its problem, and, when carrying out voltage test to the ammeter conventionally, can connect a plurality of test ammeter through parallelly connected mode, lead to the consumption too big, influence test data.

Disclosure of Invention

The utility model provides an ammeter aging test device for solving the problem that ammeter aging test data are inaccurate.

The technical scheme of the utility model is as follows:

the utility model provides an ammeter aging test device, includes support frame and voltage current loader, the support frame is provided with one or more horizontal saddle of placing in the position department that is higher than reference plane, place the upper surface of saddle can bear the weight of the ammeter, and is single place saddle can arrange and set up a standard table and one or more test ammeter, standard table and test ammeter all independently set up voltage line connection voltage output of voltage current loader, standard table and test ammeter are established ties by single current line to be connected to voltage current loader's current output and current input. The voltage and current loader is independently connected through the voltage lines which are independently arranged, so that the influence of the power consumption of the ammeter is reduced, and more accurate test data can be obtained. The current lines are connected with a plurality of electric meters in series, so that the electric meters can be accurately tested and compared to obtain error values.

Preferably, the output voltage of the voltage-current loader is 0-450V, and the output current is 0-100A. The conventional output voltage is 220V and the output current is 15A or 60A.

In order to obtain a more accurate comparison value, the standard meter has a higher precision level than the test meter. And the standard meter rating is typically 0.02 and the test meter is 0.1.

In order to realize the connection among a plurality of ammeter, place to be provided with a plurality of circuit coupling assembling that correspond the ammeter and set up on the saddle, circuit coupling assembling is used for connecting a plurality of ammeter.

The circuit connection assembly comprises a spring clamp for connecting an ammeter, an electric wire and a fixing clamp for clamping the electric wire.

On the basis of the structure, further, the spring clamp is used for connecting an ammeter during voltage testing, and the electric wire is used for connecting the ammeter during current testing.

The fixing clamp comprises a fixing portion, wherein two elastic clamping pieces are symmetrically arranged on the fixing portion, and the distance between the two elastic clamping pieces is smaller than the diameter of the electric wire. The required wire can be clamped.

Preferably, the adjacent sides of the two elastic clamping pieces are oppositely provided with concave wire grooves.

Preferably, the placement pallet is made of an insulating material.

The utility model has the beneficial effects that: the utility model relates to an ammeter aging test device, wherein voltage lines of each ammeter are independently arranged during voltage test, so that the influence of the power consumption of the ammeter on test values can be effectively avoided, and during voltage test, all the ammeter can be quickly connected in series through the electric wires, so that the test is convenient, the electric wires are directly arranged at the position of a fixed wire clamp, the taking and placing are convenient, and finally, the error of the test ammeter can be effectively obtained through the value of a standard meter with higher comparison precision, so that more accurate test values are obtained.

Drawings

The aspects and advantages of the present application will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the utility model.

In the drawings:

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic side view of the support frame and related components of the present utility model;

FIG. 3 is a schematic view of a fixing clamp according to the present utility model;

the components represented by the reference numerals in the figures are:

1. a support frame; 2. placing a supporting table; 21. a supporting plate; 22. a wire hole; 3. a spring clip; 4. a fixing clamp; 41. a fixing part; 42. an elastic clamping piece; 43. a wire slot; 5. a wire connector; 6. a cross plate; 7. voltage current loader.

Detailed Description

The utility model provides an ammeter aging testing device as shown in fig. 1, 2, includes support frame 1 and voltage current loader 7, support frame 1 is provided with one or more horizontal support platform 2 of placing in the position department that is higher than the reference plane, place the upper surface of support platform 2 and can bear the weight of the ammeter, place support platform 2 and adopt insulating material preparation, can avoid appearing the event emergence of electric leakage electric shock, and for convenient reading, place support platform 2 slope setting, place support platform 2 upper surface and reference plane's contained angle scope is 120 ~ 150, simultaneously, in order to prevent the ammeter from placing support platform 2 landing, place support platform 2's upper surface still is provided with layer board 21, layer board 21 perpendicular to place support platform 2's upper surface setting, and in order to obtain bigger space of placing, layer board 21 sets up the below end at support platform 2.

In the above-mentioned structure, in order to reduce and occupy more space, place the vertical range setting of saddle 2 on support frame 1, and place saddle 2 high as far as possible and keep in the position of being convenient for manual operation, thereby avoid when wiring or observing the numerical value, need ascend a height and lead to inconvenient.

After the above structure is provided, further, a single placing pallet 2 can arrange and set a standard meter and one or more test electric meters, and the precision grade of the standard meter is higher than that of the test electric meters, and conventionally, the standard meter grade is generally 0.02, and the test electric meters are 0.1.

The test of ammeter includes voltage test and electric current test two kinds, consequently, need to test through different modes, and the specific process is:

1. voltage testing: the standard meter and the test ammeter are respectively and independently provided with voltage line connection with the voltage output end of the voltage current loader 7, the output voltage of the voltage current loader 7 is 0-450V, when the application environment of the ammeter is domestic power supply standard, the conventional output voltage is 220V, the voltage current loader 7 is independently connected through the voltage line which is independently arranged, the influence of the power consumption of the ammeter can be reduced, and error judgment can be carried out by omitting the power consumption of the ammeter, in order to realize connection among the plurality of the ammeter, the placing bracket 2 is provided with a plurality of line connection components which are correspondingly arranged with the ammeter, the line connection components comprise spring clamps 3, the spring clamps 3 are used for connecting the voltage connection ends of the standard meter and the test ammeter, and the operation of pressing and clamping is relatively convenient and extremely easy to operate, and as a preferred mode, the placing bracket 2 is further provided with a wire hole 22, the wire connector 5 is arranged at the wire hole 22, the voltage test end of the voltage current loader 7 can pass through the wire hole 22 and be fixed through the wire connector 5, and can be connected with the ammeter through the wire hole 22, and the wire can be connected with the wire through the wire connector 5, and the wire connector can be compared with the wire connector by the wire connector, and the value of the wire connector can be compared with the voltage meter, and the value of the test meter can be compared with the value of the electric meter and the test meter.

2. And (3) current testing: the standard meter and the test meter are connected in series by a single current line and are connected to the current output and the current input of the voltage current loader 7. The output current of the voltage current loader 7 is in the range of 0-100A, while the output current actually tested is 15A or 60A, constituting a completed current loop. The mode of test current is different from the mode of voltage, needs directly connect through the electric wire to the connected mode also has the standard, needs to ensure that the line constitution of ammeter accomplishes the return circuit, moreover, the electric wire is used for directly connecting the ammeter through conventional bolt fastening's mode when the electric current test, tests, after the circular telegram 72 hours, through the numerical value of comparison standard table with test ammeter can, the error value of comparison current that obtains can judge whether test ammeter accords with the requirement.

As a preferred way, in order to facilitate the clamping of the electric wire, prevent the phenomenon that the electric wire is scattered and is not easy to find, a fixing clamp 4 as shown in fig. 3 is further required, and the specific structure of the fixing frame 4 is as follows:

the fixing device comprises a fixing part 41, wherein the fixing part 41 is directly fixed with a placing saddle 2 through bolts or adhesion and the like, two elastic clamping pieces 42 are symmetrically arranged on the fixing part 41, and the distance between the two elastic clamping pieces 42 is smaller than the diameter of an electric wire. The required electric wire can be clamped, the wire grooves 43 which are concave are formed in the adjacent sides of the two elastic clamping pieces 42 oppositely, the electric wire can be contained, the wire arrangement of the electric wire can be completed in an auxiliary mode through the structure, and in order to distinguish different electric wire functions, the electric wire can be arranged to be of various colors.

Claims (9)

1. The utility model provides an ammeter aging test device, its characterized in that, includes support frame (1) and voltage current loader (7), support frame (1) are provided with one or more horizontal saddle (2) of placing in the position department that is higher than the reference plane, place the upper surface of saddle (2) can bear the electric meter, and is single place saddle (2) can arrange and set up a standard table and one or more test ammeter, standard table and test ammeter all set up independently the voltage line and connect the voltage output of voltage current loader (7), standard table and test ammeter are established ties by single current line to be connected to the current output and the current input of voltage current loader (7).

2. An ammeter burn-in apparatus according to claim 1, wherein the output voltage of the voltage-current loader (7) is 0-450V and the output current is 0-100A.

3. An electricity meter burn-in apparatus as claimed in claim 1 wherein said standard meter is of a higher accuracy level than said test meter.

4. The ammeter aging testing device according to claim 1, wherein a plurality of circuit connecting components corresponding to the ammeter are arranged on the placing support (2), and the circuit connecting components are used for connecting the plurality of ammeter.

5. An electricity meter burn-in apparatus according to claim 4, wherein the line connection assembly comprises a spring clip (3) for connecting an electricity meter, an electrical line and a fixing clamp (4) for clamping the electrical line.

6. An ammeter burn-in device according to claim 5, wherein the spring clip (3) is adapted to connect an ammeter during voltage testing and the wire is adapted to connect an ammeter during current testing.

7. The ammeter aging testing device according to claim 5, wherein the fixing clamp (4) comprises a fixing portion (41), two elastic clamping pieces (42) are symmetrically arranged on the fixing portion (41), and the distance between the two elastic clamping pieces (42) is smaller than the diameter of the electric wire.

8. An ammeter burn-in testing device according to claim 7, wherein adjacent sides of the two resilient clips (42) are oppositely provided with recessed wire grooves (43).

9. An ammeter burn-in apparatus according to claim 1, wherein the placement pallet (2) is made of an insulating material.

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