KR930007348B1 - Auto-broadcasting circuit for escalator - Google Patents

Abstract

The broadcasting circuit for guidance announcement of passengers is automatically operated only when passengers are on the escalator. The drive control circuit of the escalator has safety device (6) for cutting off power supply on emergency; control panel (7) for controlling driving of escalator; drive circuit (8) for controlling driving motor (9). The circuit comprises photoelectric device controller (110) for supplying power to upper photo passing section (120A) and photo receiving section (130A) when contact (RY25) of descending relay (RY2) is switched on by broadcast switch (SW4); lower photoelectric control section (140) for supplying power to lower photo passing section (120B) and photo receiving section (130B); timer (150) for supplying power to broadcasting device (160) when contact (RY35) of operating relay (RY3) is switched on.

Description

Automatic broadcasting circuit of escalator

(A) is a top view of an escalator, (b) is a side view of an escalator.

2 is a cross-sectional view taken along line AA ′ of FIG.

3 is a driving circuit diagram of a typical escalator.

(A), (b) of FIG. 4 is a top view and a side view of an escalator for showing the site | part in which the photoelectric device of this invention was installed.

5 is a AA 'view of FIG.

6 is a drive control circuit diagram of the escalator of the present invention.

* Explanation of symbols for main parts of the drawings

1: handrail 2: inner plate

3: inner deck 4: outer deck

5: footrest 6: safety device

7: operation panel 8: operation circuit

9: motor 10: trust

110: upper photoelectric control unit 120A: upper floodlight

120B: lower emitter 130A: upper receiver

130B: lower light receiver 140: lower photoelectric device control unit

150: timer 160: broadcasting device

170: speaker RY ₁ : lift operation relay

RY ₂ : relay for driving down RY ₃ : relay for driving

The present invention relates to automatic broadcasting of an escalator, and more particularly, to an automatic broadcasting circuit of an escalator which operates a broadcasting circuit only when there is a person who uses the escalator while the escalator is in operation.

(A) of FIG. 1 is a plan view of an escalator, (b) is a side view of an escalator, and FIG. 2 is a cross-sectional view of AA 'of FIG. 1, as shown here, the outer side of the upper part of the trust 10 which supports the whole escalator as shown here. The deck 4 and the inner deck 3 have an outer shape, and between the inner deck 3, the footrest 5 for transporting passengers and the handrail 1 and the inner plate so that the moving passengers can hold it by hand. (2) was installed.

On the other hand, Figure 3 is a conventional escalator drive circuit diagram, as shown therein, a safety device (6) for checking the safety state to cut off the power supply in case of abnormality, the stop switch (SW ₁ ), the lifting switch (SW ₂₎ ), and controls the usable switch (SW ₃₎ is composed of a control panel (7), a relay (RY ₃₎ by driving the relay contacts (RY -RY ₁₁ for ₁₄ for driving to be used by operators for driving), and seunggan The driving relay (RY ₁ ) is used to control the lifting operation relay contacts (RY ₁₁ -RY ₁₄ ), and the lower driving relay (RY ₂ ) is used to control the down driving relay contacts (RY ₂₁ -RY ₂₄ ). It is composed of a driving circuit 8 for controlling the motor (9) will be described as follows.

When the safety device 6 is in a normal state, power is supplied to the driving circuit 8 through the stop switch SW ₁ of the operation panel, whereby the b contact RY ₁₁ of the lifting operation relay RY ₁ and the lowering operation. for the relay (RY ₂₎ is an operation relay (RY ₃₎ for women through the contact b (RY ₂₁₎ that drive the relay (RY ₃₎ for a contact point (RY ₃₁ RY ₃₄₎ is in the oN state, the operation The relay RY ₃ is magnetically held through the magnetic contact RY ₃₂ .

At this time, when the lifting switch SW _{2 of} the operation panel 7 is turned on, the lifting operation relay RY ₁ of the driving circuit 8 is excited and the contact a of the lifting operation relay RY ₁ RY _12. -RY ₁₄ is turned on and b contact RY ₁₁ is turned off, so that power is applied to the motor 9, which is a driving unit, and the motor 9 is started in the upward direction. Accordingly, the handrail 1 and the footrest ( 5) moves in the upward direction.

In addition, the control panel (7) falling switch in (SW ₃₎ for lowering operation relay for the Let it on driving circuit (8) (RY ₂₎ a point of contact is a woman that lowering operation relay (RY ₂₎ for the (RY ₂₂ -RY ₂₄ is turned on and b contact RY ₂₁ is turned off, so that power is applied to the motor 9 which is a driving unit, and the motor 9 is started in the downward direction, whereby the handrail 1 and the footrest (5) is driven in the downward direction.

On the other hand, when the stop switch SW ₁ of the control panel 7 is turned on to stop the escalator that continues to operate, the driving relay RY ₃ and the lifting driving relay RY ₁ or the falling driving relay RY _{2 are turned on.} Operation of the escalator is stopped as the energized state of) is released and the power applied to the motor 9 is cut off.

However, in the conventional escalator, a notice is attached to the entrance and exit of the escalator, and the person who wants to check it and the person who wants to get off and get off causes congestion at the entrance and exit, resulting in discomfort, and there is a fear of a safety accident. There was a flaw that the passengers should feel bored, even for a short time, while moving between floors using the escalator.

The present invention has been made to detect the presence of a passenger using the escalator when the escalator is running in order to solve such a conventional defect to provide a guide broadcast and music broadcast as described in detail with reference to the accompanying drawings as follows. .

(A) and (b) of FIG. 4 are a plan view and a side view of an escalator for showing the installed portion of the passenger detection device and the broadcasting speaker of the present invention, and FIG. 5 is a cross-sectional view taken along line A-A 'of FIG. As shown, the upper and lower light emitters 120A and 120B and the light receivers 130A and 130B are respectively installed between the upper and lower handrails 1 and the scaffold 5 of the escalator, respectively. Speakers 170 were installed on the upper and lower portions, respectively.

6 is an automatic broadcasting circuit diagram of the present invention escalator, as shown therein, a safety device (6) for checking the safety state and shuts down the driving power in case of abnormality, a stop switch (SW ₁ ), the lifting switch (SW ₂ ) , Control panel 7 which is configured as a lowering switch (SW ₃ ) to be used as an operator according to the driving of the escalator, a lifting driving relay (RY ₁ ), a falling driving relay (RY ₂ ), and a driving relay (RY _3). ) And their contact circuits (RY _11- RY ₁₄ ), (RY _21- RY ₂₄ ), (RY _31- RY ₃₄ ), and a driving circuit (8) for controlling the driving of the motor (9), which is the driving part of the escalator. In the drive control circuit of the escalator, when the contact relay RY ₂₅ of the falling relay RY ₂ is turned on while the guidance broadcasting switch SW ₄ is turned on, the upper transmitter 120A and the upper receiver 130A are turned on. The upper photoelectric device controller 110 for supplying power and the switch SW ₄ for the announcement broadcast are turned on. When the contact point RY ₁₅ of the lifting relay RY ₁ is turned on, the lower photoelectric device controller 140 for supplying power to the lower light emitter 120B and the lower light receiver 130A, and the driving When the contact point RY ₃₅ of the relay RY ₃ is turned on, the timer 150 is configured to supply driving power to the broadcasting device 160 at a predetermined time. same.

When the escalator is operating normally, when the passenger who wants to use the escalator takes the handrail 1 and gets on the footrest 5, the number of lower floodlights 120B installed by the passengers on both sides of the inner deck 3, The beam between the madness 130B is cut off, and power is supplied to the broadcast apparatus 160, thereby outputting a guide broadcast or a music broadcast, which will be described in detail with reference to FIG.

When the safety device 6 is in a normal state, power is supplied to the driving circuit 8 through the stationary switch SW ₁ of the control panel 7 to lower the contact b with the contact RY ₁₁ of the lifting operation relay RY ₁ . operation relay via the b-contact of the operation relay (RY ₂₎ for the (RY ₂₁₎ (RY ₃₎ is of the woman driving a relay (RY ₃₎ for a contact point (RY ₃₁ -RY ₃₅₎ is in the oN state as well as soon as It is self-maintained through the magnetic contact RY ₃₂ .

At this time, when the lifting switch SW _{2 of} the operation panel 7 is turned on, the a contact RY _{12 to} RY ₁₅ of the lifting operation relay RY ₁ of the driving circuit 8 is turned on, and the b contact ( As RY ₁₁ is turned off, power is supplied to the motor 9, which is the driving unit, and the motor 9 is started in the upward direction, and the escalator is driven in the upward direction.

In this state, when the broadcasting switch SW ₄ is turned on, the lower photoelectric device control unit 140 turns on the a contact RY ₁₅ of the lifting operation relay RY ₁ in the driving circuit 8 to supply power. The a contact point RY ₂₅ of the falling operation relay RY ₂ is turned off in the upper photoelectric device control unit 110, and is not used at all during the lifting operation.

In this case, when the beam BEAM projected to the lower light receiver 130B is blocked from the lower light emitter 120B installed at both sides of the lower inner deck 3 by the passenger who wants to use the escalator, the lower photoelectric device controller 140 The built-in relay is operated, and thus power is supplied to the timer 150 to the broadcast device 160 through the contact T ₁ of the off delay timer 150 for a time set in the off delay timer 150. Power is supplied to guide or music broadcasts through the speaker 170, wherein the time that the power is supplied to the broadcast device 160 is a passenger using an escalator by the characteristics of the off delay timer 150 Blocks the beams of the bottom, receiver 120B, 130B and counts for the time set in the timer 150 at the time when the power is supplied to the timer 150, and then the set time is completed. After being installed in the lower part of the escalator by another passenger, if the beams of the light receivers 120B and 130B are blocked, the count of the off delay timer 150 starts again from the beginning.

That is, the power is continuously supplied to the broadcasting device 160 from the time when the passenger who used the escalator last blocked the beams of the bottom to light receivers 120B and 130B until the time set in the off delay timer 150. The broadcast goes out at 170.

When the stop switch SW ₁ of the control panel 7 is pressed in order to stop the escalator that has been lifted and lifted in this way, the excited state of the driving relay RY ₃ and the lifting driving relay RY ₁ is released and the motor 9 Operation of the escalator is stopped as the power applied to the power is cut off, and at this time, the power supplied to the lower photoelectric device controller 140 is also blocked by turning off the contact a (RY ₁₅ ) of the lift driving relay RY ₁ . At the same time, the broadcast is stopped.

On the other hand, when the lowering switch SW ₃ of the operation panel 7 is turned on to lower the escalator, the lowering relay RY ₂ of the driving circuit 8 is excited to lower the lowering relay RY ₂ . As contact a of RY _{22 to} RY ₂₅ is turned on and b contact RY ₂₁ is turned off, power is supplied to the motor 9 as a driving unit, and the motor 9 starts in the downward direction, and the escalator moves downward. Is driven.

In this state, when the broadcasting switch SW ₄ is turned on, the a contact point RY ₂₅ of the falling operation relay RY ₂ is turned on in the driving circuit 8 in the upper photoelectric device controller 110, and power is supplied. In the lower photoelectric device control unit 140, the a contact point RY ₁₅ of the lifting operation relay RY ₁ is turned off and is not used at all during the falling operation.

At this time, the beams of the top-to-receiver, the light receivers 120A, and 130A installed on both sides of the inner deck of the upper escalator are blocked by the passenger who wants to use the escalator, and the relay built in the upper photoelectric device controller 100 is operated to turn off. Power is supplied to the delay timer 150, and power is supplied to the broadcasting device 160 through its contact point T ₁ for the set time of the off delay timer 150, thereby causing the announcement or music broadcast to be sputtered. Broadcasting through 170, and then stopping the broadcast and the escalator is the same as the rise described above.

As described in detail above, the present invention has an advantage of avoiding congestion and eliminating boredom while using the escalator by allowing the passenger to automatically perform announcement or music broadcast.

Claims (2)

Safety circuit (6) for checking the safety state and cutting off the driving power in case of abnormality, an operating panel (7) used as an operator according to the driving of the escalator, and a driving circuit for controlling the driving of the motor (9) of the driving part of the escalator ( in the drive controller of the escalator of 8), the guide broadcast switch (SW ₄₎ is the contact point of the down relay (RY ₂₎ for the (RY ₂₅₎ is turned on when the upper emitter (120A) and an image receiving portion receiver in ondoen state When the upper photoelectric device controller 110 for supplying power to 130A and the contact RY ₁₅ of the lifting relay RY ₁ are turned on while the guide broadcasting switch SW ₄ is turned on, the lower light emitter ( 120B) and the lower photoelectric device controller 140 for supplying power to the lower light receiver 130B and the broadcasting device 160 for a predetermined time from the time when the contact point RY ₃₅ of the driving relay RY ₃ is turned on. Characterized in that composed of a timer 150 for supplying a driving power Automatic broadcast circuit of escalator. The escalator according to claim 1, wherein the upper and lower light emitters 120A and 120B and the light receivers 130A and 130B are respectively provided between the upper and lower handrails 1 and the scaffold 5 of the escalator. Of automatic broadcasting circuit.