CN203535472U - Lamp controller circuit test device - Google Patents
Lamp controller circuit test device Download PDFInfo
- Publication number
- CN203535472U CN203535472U CN201320661633.8U CN201320661633U CN203535472U CN 203535472 U CN203535472 U CN 203535472U CN 201320661633 U CN201320661633 U CN 201320661633U CN 203535472 U CN203535472 U CN 203535472U
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- Prior art keywords
- resistance
- lamp controller
- test device
- controller circuit
- circuit test
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- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
The utility model discloses a lamp controller circuit test device. The lamp controller circuit test device comprises slide rheostats, a pure resistor, an ampere meter, a power supply switch and a short-circuit switch. The lamp controller circuit test device further comprises a current transformer. The slide rheostats, the pure resistor, the primary side of the current transformer, the power supply switch and the short-circuit switch are connected in series at two ends of a power supply, and the ampere meter is connected in series at two ends of the secondary side of the current transformer. The current transformer cooperates with the ampere meter to monitor current in a circuit, influences of an internal resistor of the ampere meter on a resistor of complete equipment are prevented, accuracy of a test and stability of the current are improved, the ampere meter is prevented from being burnt out while large current flows at the same time, and reliability, safety and the service life of the complete equipment are improved.
Description
Technical field
The utility model relates to a kind of proving installation, relates in particular to a kind of lamp controller circuit test device.
Background technology
In IEC IEC61347-2-13, regulation lamp controller must be done fault test, during the electric current of this test request lamp controller by 160A+10%, is unlikely to burn out.Prior art is all to adopt slide rheostat, 0.01 Ω resistance, reometer and isolating switch to be connected in series in both ends of power mostly, lamp controller to be measured is connected in parallel on the two ends of isolating switch, realize test, but this simple circuit can only be realized roughly the electric current of short time and reach 160A, and reometer itself also has internal resistance, makes to test very out of true, and owing to passing through the large electric current of 160A, power is very large, makes slide rheostat and 0.01 Ω be easy to burn out, and the electric current providing in test is also very unstable.
Utility model content
For solving existing problem in above-mentioned prior art, the utility model provides a kind of lamp controller circuit test device.
The utility model adopts following technical scheme to realize: a kind of lamp controller circuit test device, comprise slide rheostat, pure resistance, reometer, power switch and short circuiting switch, also comprise current transformer, the primary side of described slide rheostat, pure resistance, current transformer, power switch and short circuiting switch are connected in series in the two ends of power supply, and described reometer is connected in series in the two ends of the secondary side of described current transformer.
Wherein, described slide rheostat is two.
Preferably, described slide rheostat is comprised of a fixed resistance and an adjustable resistance, the slide bar of described adjustable resistance is thread spindle, the slide plate of described adjustable resistance is provided with the internal thread coordinating with described thread spindle, one end of described slide bar is also provided with gear, and described gear is engaged on the gear shaft of motor.
Further, described adjustable resistance two ends are provided with the limit switch of the described motor of restriction, and described motor and described limit switch are electrically connected.
Further, the resistance of described fixed resistance is 0.2 Ω, and the Standard resistance range of described electronic adjustable resistance is 0～0.8 Ω.
Further, the resistance of described pure resistance is 0.01 Ω.
The utlity model has following beneficial effect: adopt current transformer to coordinate electric current in reometer supervisory circuit, avoid the impact of amperemeter inner resistance on package unit resistance, improve the accuracy of test and the stability of electric current, avoid reometer to lead to large electric current simultaneously and be burned; Adopt two slide rheostats, improved the stability of test, and slide rheostat adopts motorized adjustment, handled easily.Integral body has improved reliability, security and the life-span of package unit.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of prior art easy device;
Fig. 2 is circuit diagram of the present utility model;
Fig. 3 is the circuit theory diagrams of slide rheostat in the utility model.
Embodiment
Below in conjunction with specific embodiment, a kind of lamp controller circuit test device of the utility model is described in further detail.
As shown in Figure 2, the utility model proposes a kind of lamp controller circuit test device 100, comprise the pure resistance 3 of a power switch 1, two slide rheostats 2,0.01 Ω, short circuiting switch 4, current transformer 5 and a reometer 6, described power switch 1, slide rheostat 2, pure resistance 3, short circuiting switch 4, the primary side of current transformer 5 and the two ends that another slide rheostat 2 is connected in series in power supply successively, described reometer 6 is connected in series in the two ends of the secondary side of described current transformer 5; Described slide rheostat 2 is comprised of at the adjustable resistance 22 of 0～0.8 Ω fixed resistance 21 and a Standard resistance range of 0.2 Ω, the slide bar of described adjustable resistance 22 is thread spindle, the slide plate of described adjustable resistance 22 is provided with the internal thread that coordinates described thread spindle, one end of described thread spindle is also provided with gear, described gear is engaged on the gear shaft of motor, by electric machine rotation, drive thread spindle to rotate, thereby drive described vane motion to regulate the resistance of described adjustable resistance 22; Described adjustable resistance 22 two ends are respectively provided with a limit switch 24, and described limit switch 24 is electrically connected with described motor 23, to limit the rotation of described motor 23/stop, thereby limit the sliding scale of described slide plate.
During test, testing sample is connected in parallel on to the two ends of short circuiting switch 4, two slide rheostats 2 are all transferred to maximum value, access power supply, the short circuiting switch 4 that first closes, then power turn-on switch 1, synchronous two slide rheostats 2 to the indicating value of reometer 6 that slowly regulates slowly rises to 160A, disconnect again short circuiting switch 4, can complete test.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses, the variation that can expect easily or replacement, all should be encompassed in protection domain of the present utility model in.Therefore, protection domain of the present utility model should be as the criterion with the protection domain that claim was defined.
Claims (6)
1. a lamp controller circuit test device, comprise slide rheostat, pure resistance, reometer, power switch and short circuiting switch, it is characterized in that: also comprise current transformer, the primary side of described slide rheostat, pure resistance, current transformer, power switch and short circuiting switch are connected in series in the two ends of power supply, and described reometer is connected in series in the two ends of the secondary side of described current transformer.
2. lamp controller circuit test device according to claim 1, is characterized in that: described slide rheostat is two.
3. lamp controller circuit test device according to claim 2, it is characterized in that: described slide rheostat is comprised of a fixed resistance and an adjustable resistance, the slide bar of described adjustable resistance is thread spindle, the slide plate of described adjustable resistance is provided with the internal thread coordinating with described thread spindle, one end of described slide bar is also provided with gear, and described gear is engaged on the gear shaft of motor.
4. lamp controller circuit test device according to claim 3, is characterized in that: described adjustable resistance two ends are provided with the limit switch of the described motor of restriction, and described motor and described limit switch are electrically connected.
5. lamp controller circuit test device according to claim 3, is characterized in that: the resistance of described fixed resistance is 0.2 Ω, and the Standard resistance range of described electronic adjustable resistance is 0～0.8 Ω.
6. lamp controller circuit test device according to claim 3, is characterized in that: the resistance of described pure resistance is 0.01 Ω.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320661633.8U CN203535472U (en) | 2013-10-25 | 2013-10-25 | Lamp controller circuit test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320661633.8U CN203535472U (en) | 2013-10-25 | 2013-10-25 | Lamp controller circuit test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203535472U true CN203535472U (en) | 2014-04-09 |
Family
ID=50421663
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320661633.8U Expired - Lifetime CN203535472U (en) | 2013-10-25 | 2013-10-25 | Lamp controller circuit test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203535472U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20180080970A1 (en) * | 2016-09-21 | 2018-03-22 | Landis+Gyr, Inc. | Method and System for Hot Socket Detection in a Utility Meter |
-
2013
- 2013-10-25 CN CN201320661633.8U patent/CN203535472U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20180080970A1 (en) * | 2016-09-21 | 2018-03-22 | Landis+Gyr, Inc. | Method and System for Hot Socket Detection in a Utility Meter |
| US10161983B2 (en) * | 2016-09-21 | 2018-12-25 | Landis+Gyr Llc | Method and system for hot socket detection in a utility meter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140409 |