CN109507614B - Testing device for emergency lighting lamp - Google Patents

Abstract

The invention belongs to the technical field of emergency lighting, and relates to a testing device of an emergency lighting lamp, which comprises a base, wherein the front side of the base is provided with an input wiring terminal, an output wiring terminal, a testing switch K2, a testing switch K3 and a testing switch K4 which are used for connecting two ends of a tested lighting lamp, and the base is provided with a safety switch K1, an LED driving power supply positioned in a limiting groove and a probe which can be in electric contact with the LED driving power supply; the safety switch K1 is electrically connected with the input connecting terminal, and the output connecting terminal can be electrically connected with the LED driving power supply through a probe; the back of the base is provided with a load wiring terminal for connecting a load LED, the load wiring terminal is electrically connected with the positive electrode and the negative electrode of the LED driving power supply through a test switch K3 and a test switch K4 respectively, and two ends of a test switch K2 are electrically connected with the positive electrode and the negative electrode of the LED driving power supply through probes; the testing device has simple wiring, does not need repeated wiring for many times when detecting different functions of the lighting lamp, and can quickly test the performance condition of the emergency lighting lamp.

Description

Testing device for emergency lighting lamp

Technical Field

The invention relates to a testing device, in particular to a testing device for an emergency lighting lamp, and belongs to the technical field of emergency lighting.

Background

Emergency lighting is an indispensable light fixture in public areas. With the development of modern lighting technology, emergency lighting can be designed into an emergency lighting lamp which simultaneously has the function of conventional common lighting, namely, the emergency lighting lamp is normally on and plays a role of common lighting, and is switched to an emergency lighting state during fire fighting emergency; meanwhile, the lamp also has the functions of self-checking and alarming.

When producing such a lamp, a number of tests need to be done: normally bright, open circuit, short circuit, self-checking, etc. The previous test was performed in a segmented fashion: the normal bright condition is tested firstly, and then the open circuit and short circuit alarm conditions output by the LED driving power supply are tested. The wiring is made back and forth in several processes, time is consumed, wrong lines can be connected, test failure is caused, and once the emergency lighting lamp is damaged and has abnormal functions, if the test fails, fire accidents cannot be given an alarm in time.

Disclosure of Invention

The invention aims to overcome the defects in the prior art and provide the test device for the emergency lighting lamp, the test device is simple in wiring, different functions of the lighting lamp are detected without repeated wiring, and the performance condition of the emergency lighting lamp can be rapidly tested.

In order to achieve the technical purpose, the technical scheme of the invention is as follows: the testing device for the emergency lighting lamp comprises a base and is characterized in that an input wiring terminal, an output wiring terminal, a testing switch K2, a testing switch K3 and a testing switch K4 which are used for connecting two ends of a tested lighting lamp are arranged on the front surface of the base, and a safety switch K1, an LED driving power supply positioned in a limiting groove and a probe capable of being in electric contact with the LED driving power supply are arranged on the base; the safety switch K1 is electrically connected with an input wiring terminal, and the output wiring terminal can be electrically connected with an LED driving power supply through a probe; the LED lamp base is characterized in that a load wiring terminal for connecting a load LED is arranged on the back face of the base, the load wiring terminal is electrically connected with the positive electrode and the negative electrode of the LED driving power supply through a test switch K3 and a test switch K4 respectively, and the two ends of a test switch K2 are electrically connected with the positive electrode and the negative electrode of the LED driving power supply through probes.

Furthermore, a support is fixed on the base, a downward pressing type handle is arranged on the support, the downward pressing type handle penetrates through a lantern ring fixed on the support through a connecting rod and is fixedly connected with a downward pressing plate below the downward pressing type handle, and eight short upright posts and a long upright post capable of being in contact with a safety switch K1 are arranged below the downward pressing plate.

Further, still be equipped with the probe mounting panel in the spacing inslot, four two liang sets up respectively at probe mounting panel both ends the below of probe mounting panel has LED drive power supply through spring coupling, eight stands of holding down plate below can contact with the probe mounting panel.

Furthermore, among the four probes, two probes are connected with the input end of the LED driving power supply, and the other two probes are connected with the output end of the LED driving power supply.

Furthermore, the detected lighting lamp is connected with an indicator light for alarm prompt.

Furthermore, a power switch for starting the testing device is further arranged on the front face of the base, and the power switch is electrically connected with the input wiring terminal through a safety switch K1.

The testing device of the emergency lighting lamp has the following advantages:

1) the testing device is simple in wiring, different functions of the emergency lighting lamp are detected without repeated wiring, and the performance condition of the emergency lighting lamp can be rapidly tested;

2) the test process is simple and quick, the quality condition of the emergency lighting lamp can be efficiently checked, the structure is simple, safety and reliability are realized, and the production efficiency is greatly improved.

Drawings

FIG. 1 is a schematic front view of a testing device according to the present invention.

FIG. 2 is a schematic structural diagram of the back side of the testing device of the present invention.

FIG. 3 is an electrical schematic of the test apparatus of the present invention.

Fig. 4 is a schematic circuit diagram of an LED driving power supply according to an embodiment of the present invention.

Description of reference numerals: 1-input connecting terminal, 2-output connecting terminal, 3-limiting groove, 4-LED driving power supply, 5-probe, 6-measured lighting lamp, 7-downward pressing handle, 8-connecting rod, 9-lantern ring, 10-downward pressing plate, 11-short upright post, 12-probe mounting plate, 13-indicator light, 14-long upright post, 15-load connecting terminal, 16-power switch, 17-support and 18-base.

Detailed Description

The invention is further illustrated by the following specific figures and examples.

As shown in fig. 1 and fig. 2, the testing device for the emergency lighting lamp comprises abase 18, wherein aninput terminal 1, anoutput terminal 2, a testing switch K2, a testing switch K3, a testing switch K4 and apower switch 16 are arranged on the front surface of thebase 18 and used for connecting two ends of a testedlighting lamp 6, thepower switch 16 is electrically connected with theinput terminal 1 through a safety switch K1, and the testedlighting lamp 6 is connected with anindicator lamp 13 for alarm prompt; a safety switch K1, an LEDdriving power supply 4 positioned in thelimiting groove 3 and aprobe 5 capable of being electrically contacted with the LEDdriving power supply 4 are arranged on thebase 18; the safety switch K1 is electrically connected with theinput wiring terminal 1, and theoutput wiring terminal 2 can be electrically connected with the LEDdriving power supply 4 through aprobe 5; the back of the base is provided with aload wiring terminal 15 for connecting a load LED, theload wiring terminal 15 is electrically connected with the positive electrode and the negative electrode of the LEDdriving power supply 4 through a test switch K3 and a test switch K4 respectively, and two ends of a test switch K2 are electrically connected with the positive electrode and the negative electrode of the LEDdriving power supply 4 throughprobes 5;

asupport 17 is fixed on thebase 18, a downward pressingtype handle 7 is arranged on thesupport 17, the downward pressingtype handle 7 penetrates through a lantern ring 9 fixed on thesupport 17 through a connectingrod 8 and is fixedly connected with a downwardpressing plate 10 below the downward pressing type handle, and eight shortupright posts 11 and a longupright post 14 capable of being in contact with a safety switch K1 are arranged below the downwardpressing plate 10;

thelimiting groove 3 is also internally provided with aprobe mounting plate 12, fourprobes 5 are arranged at two ends of theprobe mounting plate 12 in pairs respectively, an LEDdriving power supply 4 is connected below theprobe mounting plate 12 through a spring, eight shortupright posts 11 below the lowerpressing plate 10 can be contacted with theprobe mounting plate 12, theprobe mounting plate 12 is pressed down, and the spring is compressed, so that theprobes 5 on theprobe mounting plate 12 are contacted with the input end and the output end of the LEDdriving power supply 4; among the fourprobes 5, twoprobes 5 are connected with the input end of the LEDdriving power supply 4, and the other twoprobes 5 are connected with the output end of the LEDdriving power supply 4;

the circuit principle of the LEDdriving power supply 4 in the embodiment of the present invention is shown in fig. 3, the input end of the LEDdriving power supply 4 is an ACL end and an ACN end, both of which are connected to theoutput connection terminal 2 through theprobe 5, and the output end is an LED +, and the LED + is connected to the load connection terminal through theprobe 5, and is configured to supply power to the load LED.

The test process of the invention is as follows: firstly, aninput connecting terminal 1 and anoutput connecting terminal 2 are respectively connected into a testedlighting lamp 6 through leads, the testedlighting lamp 6 is connected with anindicator lamp 13 through the leads, and aload connecting terminal 15 is connected with a load LED through the leads;

under the normal state, the safety switch K1 and the test switch K2 are in an open state, and the test switch K3 and the test switch K4 are in a closed state; after thepower switch 16 is pressed, the press-downtype handle 7 is pressed, the press-down plate 10 moves downwards, the longupright posts 14 firstly contact and press the safety switch K1, so that the safety switch K1 is closed, at the moment, the whole testing device is in a power-on state, the press-downtype handle 7 is continuously pressed, the eight shortupright posts 11 contact theprobe mounting plate 12, theprobe mounting plate 12 moves downwards, the springs are compressed, so that theprobes 5 are respectively in electrical contact with the input end and the output end of the LEDdriving power supply 4 below, the LEDdriving power supply 4 is powered on to supply power to the load LED, and at the moment, the testing device is in a normal lighting state;

when the test switch K2 button is pressed, the test switch K2 is closed, the output of the LEDdriving power supply 4 is short-circuited, the abnormal output current of the LEDdriving power supply 4 is collected by the testedlighting lamp 6, the red light on theindicator light 13 is turned on and is in an alarm state, the test switch K2 button is bounced, the alarm disappears, and the function of detecting the short-circuit fault is normal; when the test switch K3 button is pressed, the test switch K3 is disconnected, the anode output of the LEDdriving power supply 4 is disconnected, the abnormal output current of the LEDdriving power supply 4 is collected by the testedlighting lamp 6, the red light on theindicator light 13 is turned on and is in an alarm state, the test switch K3 button is bounced, the alarm disappears, and the function of detecting the disconnection fault is normal; when the test switch K4 button is pressed, the test switch K4 is disconnected, the output of the cathode of the LEDdriving power supply 4 is disconnected, the abnormal output current of the LEDdriving power supply 4 is collected by the testedlighting lamp 6, the red light on theindicator light 13 is lightened and is in an alarm state, the test switch K4 button is bounced, the alarm disappears, and the function of detecting the disconnection fault is normal.

The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the embodiments shown in the drawings are only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (1)

1. The testing device of the emergency lighting lamp comprises a base (18), and is characterized in that an input wiring terminal (1), an output wiring terminal (2), a testing switch K2, a testing switch K3 and a testing switch K4 which are used for connecting two ends of a tested lighting lamp (6) are arranged on the front surface of the base (18), and a safety switch K1, an LED driving power supply (4) positioned in a limiting groove (3) and a probe (5) capable of being in electric contact with the LED driving power supply (4) are arranged on the base (18); the safety switch K1 is electrically connected with the input wiring terminal (1), and the output wiring terminal (2) can be electrically connected with the LED driving power supply (4) through a probe (5); a load wiring terminal (15) used for connecting a load LED is arranged on the back of the base (18), the load wiring terminal (15) is electrically connected with the positive electrode and the negative electrode of the LED driving power supply (4) through a test switch K3 and a test switch K4 respectively, and two ends of a test switch K2 are electrically connected with the positive electrode and the negative electrode of the LED driving power supply (4) through probes (5);

a support (17) is fixed on the base (18), a downward-pressing handle (7) is arranged on the support (17), the downward-pressing handle (7) penetrates through a lantern ring (9) fixed on the support (17) through a connecting rod (8) to be fixedly connected with a lower pressing plate (10) below the downward-pressing handle, and eight short upright columns (11) and a long upright column (14) capable of being in contact with a safety switch K1 are arranged below the lower pressing plate (10);

the probe mounting plate (12) is further arranged in the limiting groove (3), every two of the four probes (5) are respectively arranged at two ends of the probe mounting plate (12), an LED driving power supply (4) is connected below the probe mounting plate (12) through a spring, and eight short stand columns (11) below the lower pressing plate (10) can be in contact with the probe mounting plate (12);

among the four probes (5), two probes (5) are connected with the input end of the LED driving power supply (4), and the other two probes (5) are connected with the output end of the LED driving power supply (4);

the tested lighting lamp (6) is connected with an indicator lamp (13) for alarm prompt;

the front surface of the base (18) is also provided with a power switch (16) for starting the testing device, and the power switch (16) is electrically connected with the input wiring terminal (1) through a safety switch K1.

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