Handheld arc light protection tester

Abstract

The utility model discloses a hand-held arc light protection tester, which is internally provided with a main control module, a light source driving module, a semiconductor light source device, a DC power supply conversion and charging circuit, an OLED liquid crystal display, keys and the like, and is characterized in that the light source driving module is internally provided with a level conversion circuit, a constant-voltage constant-current circuit, a light source monitoring circuit and an output control circuit; the light source driving module receives a control signal of the master control module through the level conversion circuit, then drives the constant-voltage constant-current circuit to supply power to the semiconductor light source device and drives the output control circuit to enable the semiconductor light source device to emit light with the set light intensity, and the light source monitoring circuit detects the light intensity emitted by the semiconductor light source device. The level conversion circuit feeds back to the main control module for maintaining the stability of the light source intensity; light of the semiconductor light source device is output from the light source outlet. The device is convenient to carry, can be carried to a site to inspect the arc light protection device, and has the advantages of strong practicability, simple operation and wide application field.

Description

TECHNICAL FIELD

[0001] The utility model relates to a hand -held arc protection tester. BACKGROUND

[0002] The arc protection system tester in the market has single and double criterion detection function, and is inconvenient to carry because of large size. Moreover, it needs 220 AC power supply to work, which has certain limitation. The market needs a hand -held arc protection tester which can be conveniently carried, is powered by battery, can detect the performance of arc light sensor of arc protection device and single criterion working condition of arc protection device. SUMMARY

[0003] The utility model discloses a hand -held arc protection tester which solves the problems of the prior art.

[0004] The utility model discloses the technical scheme that adopts has:

[0005] A hand -held arc protection tester, including

[0006] Semiconductor light source device;

[0007] Main control module;

[0008] Light source drive module is equipped with level conversion circuit, constant voltage constant current circuit, light source monitoring circuit and output control circuit in the light source drive module,

[0009] The light source drive module receives the control signal of main control module through level conversion circuit, then drives constant voltage constant current circuit to power supply semiconductor light source device, drives output control circuit to make semiconductor light source device emit the light intensity of setting, and light source monitoring circuit detects the light intensity of semiconductor light source device, and the light intensity is fed back to main control module through level conversion circuit, is used for completing maintaining the stability of light intensity;

[0010] Light source export, and the light source of semiconductor light source device exports from the light source export.

[0011] Further, the main control module is also connected with the inlet interface, the outlet interface, the OLED liquid crystal display and the button.

[0012] Further, the main control module is also connected with the inlet interface, the outlet interface, the OLED liquid crystal display and the button.

[0013] Further, the tester also includes the shell and the rubber ring, the rubber ring is fixed on the shell, and the semiconductor light source device is arranged coaxially with the rubber ring, and the inner ring of the rubber ring forms the light source export.

[0014] Further, the shell is further provided with a mounting seat, and the semiconductor light source device, the main control module, the light source driving module and the rubber ring are fixed on the mounting seat.

[0015] Further, the mounting seat comprises an upper mounting plate, a lower mounting plate, a plurality of columns and a heat dissipation seat, the upper mounting plate and the lower mounting plate are arranged in parallel, the plurality of columns are fixed between the upper mounting plate and the lower mounting plate, the shell is a rectangular shell with an open upper end, the lower mounting plate is fixed with the shell and closes the open upper end of the shell, the heat dissipation seat is fixed on the lower mounting plate and is arranged in the shell, the semiconductor light source device, the main control module and the light source driving module are fixed on the heat dissipation seat, and the rubber ring is fixed on the upper mounting plate and the lower mounting plate.

[0016] Further, the shell is further provided with a plurality of insertion holes and a plurality of heat dissipation holes.

[0017] Functions of various components in the utility model are as follows:

[0018] The main control module controls the light source output intensity, measures the intensity of the emitted light source, receives the on-off signal and calculates the action time, controls the working mode, controls the display screen to display, receives the key and the like.

[0019] The light source driving module receives the light source control signal of the main control module through the level conversion circuit, then drives the constant voltage and constant current circuit to supply power to the semiconductor light source device, drives the output control circuit to make the semiconductor light source device emit the set light intensity. The light source monitoring circuit detects the light intensity of the semiconductor light source device and feeds back to the main control module, so as to maintain the stability of the light source intensity.

[0020] The DC power conversion and charging circuit charges the lithium battery and converts the power into the working power required by each module.

[0021] The input interface receives the output signal of the detected arc protection device and transmits the signal to the main control module to calculate the action time of the detected arc protection device.

[0022] The output interface outputs the on-off signal, which is convenient for cooperating with the relay protection tester to synchronously output the current source and realizes the arc light and current double criterion calibration test.

[0023] The handheld arc light protection tester can output the quantitative light source intensity according to the requirement and test whether the action time of the arc protection device meets the standard. The utility model is convenient to carry, can be carried to the scene to test the arc protection device, has high practicality, simple operation and wide application field. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 The utility model is a circuit principle diagram.

[0025] Figure 2The utility model discloses a shell diagram.

[0026] Figure 3 It is the assembly diagram of rubber ring on the mounting seat. Specific implementation

[0027] The utility model will be further explained in connection with the drawings.

[0028] As Figure 1 The utility model discloses a handheld arc protection test appearance, including semiconductor light source device, main control module, light source drive module and light source export.

[0029] Main control module adopts low -power consumption control chip, and respectively control light source, display screen, button and so on function.

[0030] Light source drive module is equipped with level conversion circuit, constant voltage constant current circuit, light source monitoring circuit and output control circuit in, and light source drive module passes through level conversion circuit and receives the control signal of main control module, then drives constant voltage constant current circuit and gives semiconductor light source device power supply, drives output control circuit and makes semiconductor light source device send the light intensity of setting, and light source monitoring circuit detects the light intensity of semiconductor light source device, and is fed back to main control module through level conversion circuit, is used for completing the stability of maintaining light source intensity.Semiconductor light source device's light source exports from light source export.

[0031] Main control module still is connected with the interface of opening in, the interface of opening out, OLED liquid crystal display and button, and still is equipped with DC power conversion and charging circuit in.

[0032] As Figure 2 And Figure 3 The appearance still includes shell 1 and rubber ring 2, and the rubber ring 2 is fixed on the shell 1, the semiconductor light source device is arranged coaxially with the rubber ring 2, and the inner ring of the rubber ring 2 forms the light source export.

[0033] For the convenience of installing each component, the mounting seat 3 is further arranged on the shell 1, and the semiconductor light source device, the main control module, the light source drive module and the rubber ring 2 are all fixed on the mounting seat 3.

[0034] The mounting seat 3 includes an upper mounting plate 31, a lower mounting plate 32, four vertical columns 33 and a heat dissipation seat 34, the upper mounting plate 31 and the lower mounting plate 32 are arranged in parallel, the four vertical columns 33 are fixed between the upper mounting plate 31 and the lower mounting plate 32, the shell 1 is a rectangular shell with an open upper end, the lower mounting plate 32 is fixed to the shell 1 by screws and closes the open upper end of the shell, the heat dissipation seat 34 is fixed to the lower mounting plate 32 and placed in the shell 1, the semiconductor light source device, the main control module and the light source drive module are fixed to the heat dissipation seat 34, and good heat dissipation effect is ensured, and further heat dissipation is ensured by arranging the heat dissipation holes on the shell 1.

[0035] Rubber ring 2 is fixed on the upper mounting plate 31 and lower mounting plate 32, in use, the sensor of detection arc light protection device is inserted into the rubber ring.

[0036] A plurality of jacks are arranged on the bottom surface of the shell 1 for the insertion of corresponding plugs.

[0037] The test steps of the utility model are:

[0038] 1) the sensor of the detected arc light protection device is inserted into the rubber ring, that is, the arc light sensor is placed at the light source outlet of the light source generator. Both the input signal and the synchronization signal are connected to the on-off quantity interface (the on-off quantity interface includes an input signal clamp and an output synchronization signal clamp) of the handheld tester through the same special lead, and the input clamp is connected to the alarm output terminal of the arc light protection device.

[0039] 2) set the light source intensity and working mode: input the set light source intensity and working mode (step or pulse output mode) through the key input and the liquid crystal display screen display.

[0040] 3) press the start key to start the test, the main control module sends the light source output intensity and working mode to the light source driving module, the light source driving module receives the light source control signal of the main control module through the level conversion circuit, then drives the constant voltage and constant current circuit to power the semiconductor light source device, and drives the output control circuit to make the semiconductor light source device emit the set light intensity. The light intensity emitted by the semiconductor light source device is detected by the light source monitoring circuit, and is fed back to the main control module through the level conversion circuit, for completing the stability of maintaining the light intensity. The tester outputs the light source from the light source outlet, and the arc light protection device receives the output signal (alarm) of the light source through the sensor.

[0041] 4) the handheld tester receives the output signal (alarm) of the detected arc light protection device through the input interface, stops outputting the light source, and calculates and displays the protection action time of the arc light protection device. Thus, whether the arc light protection device is qualified is detected.

[0042] Interface and terminal description:

[0043] The sensor of the arc light protection device is placed at the light source outlet of the light source generator through the clamp. Both the input signal and the synchronization signal are connected to the on-off quantity interface (that is, the input interface and the output interface) of the handheld tester through the same special lead, and are connected to the special test lead. The black and red clamps are on-off quantity inputs, and the black and green clamps are synchronization signal outputs (reserved).

[0044] The main control module adopts a low-power 430 control chip to control the light source, the display screen, the key and other functions.

[0045] Arc light source: has the functions of real arc light generation and detection, and the light source wavelength can be selected according to the requirements.

[0046] The arc protection tester is provided by a DC 4.2V lithium battery, and a large-capacity mobile power supply can be used to supplement the electric quantity at any time.

[0047] The above only is the preferred embodiment of the present application, it should be pointed out that, for the ordinary skilled in the art, without departing from the principles of the present application under the premise of can also be made several improvements, these improvements should also be considered as the protection scope of the present application.

Claims

1. A hand-held arc protection tester characterized by: The application relates to a semiconductor light source device. A master module; A light source driving module, which is internally provided with a level conversion circuit, a constant-voltage constant-current circuit, a light source monitoring circuit and an output control circuit, The light source driving module receives the control signal of the master module through the level conversion circuit, then drives the constant-voltage constant-current circuit to supply power to the semiconductor light source device, drives the output control circuit to make the semiconductor light source device emit a set light intensity, the light source monitoring circuit detects the light intensity emitted by the semiconductor light source device, and feeds back to the master module through the level conversion circuit, so as to complete the maintenance of the stability of the light intensity; A light source outlet, through which the light source of the semiconductor light source device is output. The master module is further connected with an incoming interface, an outgoing interface, an OLED liquid crystal display and a key.

2. The hand-held arc protection tester of claim 1, wherein: The master module is further provided with a DC power conversion and charging circuit.

3. The hand-held arc protection tester of claim 1, wherein: The tester further comprises a shell (1) and a rubber ring (2), the rubber ring (2) is fixed on the shell (1), the semiconductor light source device is coaxially arranged with the rubber ring (2), and the inner ring of the rubber ring (2) forms the light source outlet.

4. The hand-held arc protection tester of claim 1, wherein: The shell (1) is further provided with a mounting seat (3), and the semiconductor light source device, the master module, the light source driving module and the rubber ring (2) are all fixed on the mounting seat (3).

5. The hand-held arc protection tester of claim 4, wherein: The mounting seat (3) comprises an upper mounting plate (31), a lower mounting plate (32), a column (33) and a heat dissipation seat (34), the upper mounting plate (31) and the lower mounting plate (32) are arranged in parallel, a plurality of columns (33) are fixed between the upper mounting plate (31) and the lower mounting plate (32), the shell (1) is a rectangular shell with an open upper end, the lower mounting plate (32) is fixed with the shell (1) and closes the open upper end of the shell, the heat dissipation seat (34) is fixed on the lower mounting plate (32) and is arranged in the shell (1), the semiconductor light source device, the master module and the light source driving module are fixed on the heat dissipation seat (34), and the rubber ring (2) is fixed on the upper mounting plate (31) and the lower mounting plate (32).

6. The hand-held arc protection tester of claim 5, wherein: The shell (1) is provided with heat dissipation holes and a plurality of jacks.

7. The hand-held arc protection tester of claim 4, wherein: ​

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