JP3188819B2 - Elevator blackout light inspection device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an elevator power outage light inspection device for checking a power outage light which is provided in an elevator car and is turned on only at the time of a power outage.

[0002]

2. Description of the Related Art FIGS.
FIG. 4 is a schematic diagram of a conventional power failure light inspection device disclosed in Japanese Patent Application Publication No. 4 (JP-A) No. 4 (Kokai) No. 4-44, FIG. 4 is a block diagram of a conventional power failure light inspection device, and FIG. The lighting circuit diagram of the lamp, and FIG. 7 is an explanatory diagram showing a use state of the power failure light inspection device. 4 and 5, 1 is an overall view of the inspection device, 2 is an illuminance measuring device for a power failure lamp, 3 is a switch of the inspection device main body, and 4 is a buzzer built in the inspection device. Reference numeral 5 denotes an electromagnetic contactor, and reference numeral 6 denotes a contact of the electromagnetic contactor 5, which is built in the inspection device 1.

[0003] As shown in FIG. 7, the inspection device 1 is mounted in proximity to an intercom 10 in a car 13, and in the car 13, an operation panel 12 having the intercom 10 built therein and a car 13. Light 11 to illuminate
, And a power failure light 9 installed in the vicinity thereof. Further, as shown in FIG. 6, the power outage lamp 9 is supplied with power from a power outage power source 8 via a contact 7, and the power outage power source 8 is a power source (not shown) for the illumination lamp 11.
It is made to be charged by. The contact 7 is closed when the power switch (not shown, installed in the machine room) of the lighting lamp 11 is shut off, that is, the lighting lamp 1 is closed.
1 is closed when the light is turned off.

Next, the operation according to the above configuration will be described. Entering the machine room and the car 1 installed in the machine room
By turning off the power switch of the illuminating lamp 11 in 3, the illuminating lamp 11 is turned off, the contact 7 is closed at the same time, and the power failure lamp power supply 8 turns on the power failure lamp 9 in the car 13. When the power failure light 9 is turned on, the buzzer 4 of the power failure light inspection device 1 sounds. The sound of the buzzer reaches the receiver in the machine room via the interphone 10 in the car 13, and the inspector can confirm that the power failure light 9 is lit by the receiver.

[0005]

As described above, the conventional power failure light inspection device for an elevator performs the power failure light illuminance meter 2 to check whether the power failure light 9 is turned on or off, as shown in FIG. In addition, there is a problem that the power outage light 9 cannot be inspected unless the power supply of the illumination light 11 is shut off. Also,
At the time of checking whether the power outage light 9 is turned on or off, if the light outage in the car 13 is checked, the power outage light 9 in the car 13 is checked.
However, there is a problem that it is impossible to determine whether the light is turned off due to the ball being removed due to a broken or mischief, or the light is turned off due to a failure of the power supply 8 in the car.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems of the prior art, and it is possible to easily and always check the quality of a power failure light in a car, and to determine whether a power supply for a power failure light is good. An object of the present invention is to provide an elevator power outage light inspection device that can easily be inspected at all times.

[0007]

According to the present invention, there is provided an elevator power outage light inspection device comprising: a power outage light provided in a car of an elevator; a contact which is closed when an illumination light provided in the car is turned off; In a power failure light inspection device for an elevator that performs an inspection by turning on or off the power failure light for a lighting circuit of the power failure light that is connected in series with a power failure light power supply that supplies power to the power failure light, between the both ends of the contact. A resistor whose resistance value is set so that the voltage between both ends of the power failure lamp and the power supply voltage of the power failure lamp power supply are substantially equal to each other when the power failure light bulb is cut off; A first reference voltage value having a higher voltage value than the voltage between both ends of the power failure lamp is set at a normal time, and the voltage is increased when the voltage between both ends of the power failure light becomes higher than the first reference voltage value. Outage bulb detection signal First comparator and, on delivering
When both the power outage light and the power outage power are normal,
A second reference voltage value lower than the end-to-end voltage is set.
And the voltage between both ends of the power failure lamp is the second reference voltage.
When the value becomes lower than the above value, the deterioration of the power
An inspection card having a second comparator for transmitting a signal is provided.

[0008]

[0009] Further, there is provided a notifying means for notifying that the detection signal has been transmitted from the inspection card.

[0010]

In the elevator power outage lamp inspection device according to the present invention, the power supply is connected between both ends of a contact contact which is closed when the illumination light provided in the car is turned off, and is connected between both ends of the power outage lamp when the bulb of the power outage light is cut out. A resistor whose resistance value is set so that the voltage and the power supply voltage of the power failure lamp power supply are substantially equal to each other; and a first voltage value higher than the voltage between both ends of the power failure light when the power failure light and the power failure light power supply are normal. A first comparator for setting a reference voltage value, and transmitting a cut-out detection signal of the power failure lamp when the voltage between both ends of the power failure light becomes higher than the first reference voltage value ; Blackout lights and the above blackout lights
When the power source is normal, the voltage value is lower than the voltage between both ends of the power failure lamp
A second reference voltage value is set, and both ends of the light
When the inter-voltage becomes lower than the second reference voltage value
A second controller for transmitting the above-mentioned power failure lamp power supply deterioration detection signal.
By providing an inspection card with a parator, it is possible to perform an inspection based on a comparison between the voltage when the power failure light is normal and the voltage when the power failure light is out, so that inspection can be performed without turning on the power failure light. Can be easily checked at all times, and checks based on the voltage in the check circuit
Power outage along with inspection of power failure
The quality of the lamp power supply can be easily checked at all times.

[0011]

Further, by providing a notifying means for notifying that the detection signal has been sent from the inspection card,
An abnormality of the power failure light or the power failure power supply can be notified.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a schematic configuration diagram showing an elevator blackout light inspection device according to one embodiment of the present invention. In FIG. 1, an alarm means 14 according to the present embodiment as an alarm means for issuing an alarm based on an input of a power failure lamp burnout detection signal or a power failure light power supply deterioration detection signal from an inspection card described later. , 15 are inspection cards connected to the lighting circuit of the power failure lamp shown in FIG.

Here, the inspection card 15 has a circuit configuration shown in FIG. That is, the inspection card 15 is a contact that closes when a power switch (not shown) of an illuminator for charging the power supply 8 of the illuminator of the illuminator shown in FIG. It has a connection terminal which can be inserted and removed between both ends of the contact 7 which is closed when the light is turned off and both ends of the power failure lamp 9 and has a card-like shape.
a, resistors 15b to 15 connected in series between the connection point between the power failure lamp power supply 8 and the power failure light 9 and the internal power supply 15a.
e, a Zener diode 15f provided between both ends of the series connection of the resistors 15c to 15e to keep the voltage between both ends constant, and a resistor 15g connected between both ends of the contact 7
When, the zener Zener voltage due to diode 15f the voltage at the resistor 15c and the resistor 15d and 15e connecting point P ₃ of dividing by the series of first reference voltage V
first comparator to the input voltage at the connection point P ₁ of the power failure lamp 19 and the contacts 7, i.e. the voltage across the power failure lamp 9 (the voltage between the connection point P ₁ and P ₂₎ as the non-comparison voltage Va with the _ref1 blackout lamp 9 and the contact 7 with a 15h, the voltage at the connection point P ₄ which divided by the series body and and the resistor 15e of the zener voltage by the zener diode 15f resistors 15c and 15d and the second reference voltage V _ref2 to It includes voltage, i.e. a second comparator 15i for inputting voltage across blackout lamp 9 (the voltage between the connection point P ₁ and P ₂₎ as the non-comparison voltage Va at the connection point P ₁ with. When V _ref1 <Va, a high-level output is sent from the first comparator 15h, and Va <V _ref2
At this time, a high-level output is sent from the second comparator 15i.

Next, the operation according to the above configuration will be described. Now, in FIG. 2, the voltage of the power supply 8 for a power failure lamp is Vb,
The resistance value R _L of the power failure lamp 9, the resistance value of the resistor 15g connected in series to a power failure lamp 9 When R _1, the first and second
Comparators 15h and the voltage across (the voltage between the connecting point P ₁ and P ₂₎ of a power failure lamp 9 inputted as a non-comparative voltage 15i Va is, Va = a _{(R L · Vb) / (} R 1 + R L) Become.

Here, when the power failure lamp 9 and the power supply 8 for the power failure lamp are normal, Va <V _ref1 and Va> V _ref2 are satisfied.
The voltage value of the internal power supply 15a and the resistance values of the resistors 15b to 15e are set, and when the power failure lamp 9 burns out (removal of the power failure lamp 9), the resistance 15g is set so that Va ≒ Vb.
When the power failure lamp 9 burns out (removal of the power failure lamp 9), V _ref1 <Va, and a high-level output is sent from the first comparator 15h. The output is output to the alarm means 14 as a detection signal of the burnout of the power failure light 9 (removal of the power failure light 9), and an alarm of the burnout of the power failure light 9 (removal of the power failure light 9) can be issued.

Similarly, when the power supply of the power failure lamp power supply 8 deteriorates, Va < _Vref2 , so that a high-level output is sent from the second comparator 15i, and this high-level output is a power failure. It is output to the alarm means 14 as a power supply deterioration detection signal of the lamp power supply 8, and an alarm of the power supply deterioration of the power failure lamp power supply 8 can be issued.

FIG. 3 shows a power failure light 9 from the inspection card 15.
FIG. 3 is a schematic configuration diagram of an alarm unit 14 showing a configuration for issuing an alarm based on an input of a burnout (removal of a power failure lamp 9) detection signal and a power degradation detection signal of a power failure lamp power supply 8, respectively.
As shown in FIG.
4a and the inspection card 15 when the switch 14a is turned on.
Display LED for displaying the state of power outage lamp 9 being cut off (removal of power outage light 9) based on input of each detection signal from
14b and a display LED 14c for displaying and lighting a power deterioration state of the power failure power supply 8, and an alarm buzzer 14 sounding in each state.
d, and is notified to the surroundings.

Therefore, according to the above embodiment, since the inspection based on the comparison between the voltage when the power failure lamp is normal and the voltage when the power failure lamp is cut out is performed, the inspection can be performed without turning on the power failure light. The power of the power supply of the power failure light can be easily checked at the same time as the power supply of the power failure light because the power supply can be easily and constantly checked at all times and the power failure is checked based on the voltage in the inspection circuit. Inspection can be performed, and abnormalities of the power failure light and the power failure power supply can be notified to the surroundings.

[0020]

As described above, according to the present invention, when the lighting lamp provided in the car is turned off, it is connected between both ends of the contact point which is closed when the lighting lamp is turned off, and between the two ends of the power cutting lamp when the bulb of the power failure lamp runs out. A resistor whose resistance value is set so that the voltage and the power supply voltage of the power failure lamp power supply are substantially equal to each other; and a first voltage value higher than the voltage between both ends of the power failure light when the power failure light and the power failure light power supply are normal. A first comparator for setting a reference voltage value, and transmitting a cut-out detection signal of the power failure lamp when the voltage between both ends of the power failure light becomes higher than the first reference voltage value ; Up when the power failure light and the power failure power supply are normal
A second reference voltage having a voltage value lower than the voltage between both ends of the power interruption lamp
Value has been set and the voltage across the power
2 when the value is lower than the reference voltage
By providing an inspection card having a second comparator for transmitting a deterioration detection signal of the power source , the power failure lamp is turned on in order to perform an inspection based on a comparison between the voltage when the power failure light is normal and the voltage when the power failure lamp is cut out based on the comparison. Inspection can be performed without any trouble .
A check is performed based on the voltage in the check circuit for the power failure light.
The power supply for the power
The effect is that it is easy to always check
You.

[0021]

Further, by providing a notifying means for notifying that the detection signal has been transmitted from the inspection card,
There is an effect that the abnormality of the power failure lamp or the power failure power supply can be notified.

[Brief description of the drawings]

FIG. 1 is a schematic configuration diagram illustrating an elevator power outage light inspection device according to an embodiment of the present invention.

FIG. 2 is a circuit configuration diagram in the inspection card of FIG. 1;

FIG. 3 is a schematic configuration diagram of an alarm unit in FIG. 1;

FIG. 4 is a schematic configuration diagram of a conventional power outage light inspection device.

FIG. 5 is a block diagram of a conventional power outage light checker.

FIG. 6 is a circuit diagram showing a lighting circuit of a power failure lamp.

FIG. 7 is an explanatory diagram of a configuration inside a car showing a use state of a conventional power failure light inspector.

[Explanation of symbols]

7 contacts, 8 power outage power supply, 9 power outage light, 13 car, 14 alarm means, 15 check card, 15g resistance, 15h first comparator, 15i second comparator.

Claims (2)

(57) [Claims] 1. A power failure light provided in a car of an elevator, a contact which is closed when an illumination light provided in the car is turned off, and a power failure power supply for supplying power to the power failure light are connected in series. In a power failure light inspection device for an elevator which performs an inspection by turning on or off the power failure light with respect to a lighting circuit of the power failure light, the device is connected between both ends of the contact and connected between both ends of the power failure light when the bulb of the power failure light runs out. A resistor having a resistance value set such that a voltage is substantially equal to a power supply voltage of the power failure lamp power supply; and a first voltage having a voltage value higher than a voltage between both ends of the power failure light when the power failure light and the power failure power supply are normal. A first comparator for sending a signal indicating that the power failure lamp has run out when the voltage between both ends of the power failure light becomes higher than the first reference voltage value , Above lights
And the voltage between both ends of the power failure lamp when the power failure power supply is normal
A second reference voltage value having a lower voltage value is set,
The voltage between both ends of the power failure lamp is lower than the second reference voltage value
The power failure deterioration detection signal
An inspection device for an outage light of an elevator, comprising: an inspection card having a second comparator that outputs the inspection card. 2. A detection signal is sent from the inspection card.
A notification means for notifying that
Power failure light inspection apparatus of Motomeko 1 Symbol placement of the elevator.