CN217417838U

CN217417838U - Vertical elevator car lighting and ventilation energy-saving control device

Info

Publication number: CN217417838U
Application number: CN202221673230.0U
Authority: CN
Inventors: 罗锟; 杜亚军
Original assignee: Chengdu Longhu Property Service Co ltd
Current assignee: Chengdu Longhu Property Service Co ltd
Priority date: 2022-07-01
Filing date: 2022-07-01
Publication date: 2022-09-13
Anticipated expiration: 2032-07-01

Abstract

The utility model relates to a vertical elevator car illumination and ventilation energy-saving control device, which comprises a relay, a working circuit and a control circuit, wherein the working circuit and the control circuit are connected with the relay; the normally closed infrared inductive switch is used for detecting whether a person exists in the elevator car; the limit switch is used for detecting whether the elevator car door is closed or not; when no person is in the elevator car and the elevator car door is closed. Has the advantages that: the utility model discloses a perpendicular elevator car illumination and energy-conserving controlling means that ventilates can close at elevator car door, and make illumination and ventilation close when unmanned in the car, also do not take, the empty load reciprocates and connects on the way, when overhauing, closes the door and treat ladder when waiting people illumination and ventilation and close to realize energy-conservingly, in case the car door is opened or someone in the car, illumination and ventilation all normally open, do not close, do not influence the use.

Description

Vertical elevator car lighting and ventilation energy-saving control device

Technical Field

The utility model relates to an elevator technical field, concretely relates to perpendicular elevator car illumination and ventilation energy-saving control device.

Background

In the prior art, when a vertical elevator is taken by no person, moves up and down in no-load way to receive passengers, is in maintenance operation, and is closed to wait for the elevator and the like, illumination and ventilation are usually in an open state, which obviously belongs to energy waste.

Therefore, it is necessary to improve it to achieve energy saving.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a perpendicular elevator car illumination and ventilation energy-saving control device to illumination and ventilation are still in the state of opening when solving the empty load of the elevator that mentions in the above-mentioned background art, waste the problem of electric energy.

In order to solve the above problem, the utility model provides a following technical scheme:

the vertical elevator car illumination and ventilation energy-saving control device comprises a relay, and a working circuit and a control circuit which are connected with the relay, wherein the working circuit is connected with an illumination device and a ventilation device in series, and the control circuit is connected with a normally-closed infrared induction switch and a limit switch in series;

the normally closed infrared inductive switch is used for detecting whether a person exists in the elevator car;

the limit switch is used for detecting whether the elevator car door is closed or not;

when no person is in the elevator car and the elevator car door is closed, the normally closed infrared inductive switch and the limit switch are closed to enable the relay to act and break the working circuit.

As a preferred solution of the present application, the lighting device is used for providing illumination for an elevator car.

As a preferred solution according to the present application, the ventilation device is used for ventilating an elevator car.

As the preferable technical scheme of this application, when someone in the elevator car, normally closed infrared inductive switch disconnection.

As a preferable technical scheme of the application, when the elevator car door is not closed, the limit switch is not closed.

As the preferred technical scheme of this application, the relay includes electro-magnet, armature, spring, the electro-magnet inserts control circuit, works as when normally closed infrared inductive switch and limit switch close, the electro-magnet circular telegram attracts armature to remove and makes operating circuit switch on.

According to the technical scheme, the armature is provided with the guide post in a sliding mode, one end of the guide post is fixedly connected with the electromagnet, the electromagnet is electrified to attract the armature to slide along the guide post, the guide post is sleeved with the insulating buffer spring in a sliding mode, and two ends of the insulating buffer spring are connected with the electromagnet and the armature respectively;

the relay also comprises a fixed contact and a movable contact which is fixedly arranged on the armature, the fixed contact and the movable contact are connected with a working circuit, a conductive buffer spring which extends and approaches to the movable contact is fixedly arranged on the fixed contact, and after the electromagnet is powered off, the armature moves to enable the movable contact to be in contact with the conductive buffer spring and extrude the conductive buffer spring;

the conductive buffer spring and the insulating buffer spring are formed by connecting at least two spring sections with different stiffness coefficients.

As the preferred technical scheme of this application, the infrared inductive switch of normal close formula locates elevator car roof surface central authorities.

As the preferable technical scheme of the application, the limit switch is arranged on the edge of the elevator car door.

As the preferred technical scheme of this application, still be equipped with the parallelly connected circuit breaker with normally closed infrared inductive switch, limit switch on the control circuit, circuit breaker signal connection face identification machine.

As the preferable technical scheme of the application, the face recognition machine comprises a camera, a processor and a memory.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a perpendicular elevator car illumination and energy-conserving controlling means that ventilates can close at elevator car door, and make illumination and ventilation close when unmanned in the car, also do not take, the empty load reciprocates and connects on the way, when overhauing, closes the door and treat ladder when waiting people illumination and ventilation and close to realize energy-conservingly, in case the car door is opened or someone in the car, illumination and ventilation all normally open, do not close, do not influence the use.

Description of the drawings:

fig. 1 is a schematic structural view of the vertical elevator car lighting and ventilation energy-saving control device of the invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

fig. 3 is an enlarged view of a portion B in fig. 1.

The following are marked in the figure: 1. an electromagnet; 2. an armature; 3. a spring; 4. a movable contact; 5. a working circuit; 6. an illumination device; 7. a ventilation device; 8. a control circuit; 9. a normally closed infrared inductive switch; 10. a limit switch; 11. a circuit breaker; 12. a face recognition machine; 13. fixing a contact point; 14. a conductive buffer spring; 15. a guide post; 16. an insulating buffer spring; 17. a first spring section; 18. and a second spring section.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings. It is to be understood that the embodiments described are some, not all embodiments of the invention.

Thus, the following detailed description of the embodiments of the present invention is not intended to limit the scope of the invention as claimed, but is merely representative of some embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that, in the case of no conflict, the embodiments of the present invention and the features and technical solutions in the embodiments may be combined with each other.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "upper" and "lower" indicate the orientation or position relationship based on the orientation or position relationship shown in the drawings, or the orientation or position relationship that the utility model is usually placed when using, or the orientation or position relationship that the skilled person usually understands, and such terms are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element that is referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be interpreted as limiting the present invention. Furthermore, the terms "first," "second," and the like are used solely to distinguish one from another, and are not to be construed as indicating or implying relative importance.

The utility model provides a perpendicular elevator car illumination and ventilation energy-saving control device, this perpendicular elevator car illumination and ventilation energy-saving control device can control lighting device 6 and ventilation unit 7 in the perpendicular elevator car and close at the elevator car door, and disconnection is out of work when unmanned in the car, also take at elevator unmanned, on the way that the unloaded pick-up that reciprocates, when overhauing, closing the door is waited when ladder waiting people lighting device 6 and ventilation unit 7 and close, in order to realize energy-conservation, reduce perpendicular elevator power consumption, in case the car door does not close in place or someone in the car simultaneously, lighting device 6 and ventilation unit 7 all normally open, do not close, consequently, do not influence the use.

Specifically, in an embodiment of the utility model, as shown in fig. 1, the vertical elevator car lighting and ventilation energy-saving control device includes a relay, and a working circuit 5 and a control circuit 8 connected to the relay, the control circuit 8 is used for controlling the relay to operate so as to switch on or off the working circuit 5, a lighting device 6 and a ventilation device 7 are connected in series on the working circuit 5, the lighting device 6 is used for providing lighting for the elevator car, the ventilation device 7 is used for ventilating the elevator car, and is common, the lighting device 6 is a lighting lamp arranged in the elevator car, the ventilation device 7 is a fan arranged at the top of the elevator car, and a normally closed infrared induction switch 9 and a limit switch 10 are connected in series on the control circuit 8; the normally closed infrared inductive switch 9 is used for detecting whether a person exists in the elevator car; when someone is in elevator car, the disconnection of normally closed formula infrared inductive switch 9, otherwise, when nobody in elevator car, normally closed formula infrared inductive switch 9 is closed, limit switch 10 is used for detecting whether elevator car door closes, when elevator car door does not close, limit switch 10 is not closed, otherwise, closes the back that targets in place when elevator car door closes, limit switch 10 is closed, nobody and elevator car door close in elevator car, normally closed formula infrared inductive switch 9 and limit switch 10 are all closed and make control circuit 8 switch on, and then control relay action disconnection operating circuit 5 makes lighting device 6 and ventilation unit 7 outage inoperative.

In the embodiment, as shown in fig. 1, the relay includes an electromagnet 1, an armature 2, a spring 3, a movable contact 4 and a fixed contact 13, the movable contact 4 is fixedly mounted on the armature 2, the movable contact 4 is insulated from the armature 2, the movable contact 4 and the fixed contact 13 are connected into an operating circuit 5, when the electromagnet 1 is powered off, the armature 2 moves to make the movable contact 4 and the fixed contact 13 contact to make the operating circuit 5, and conversely, when the electromagnet 1 is powered on, the armature 2 is attracted to move to make the movable contact 4 and the fixed contact 13 separate to break the operating circuit 5.

In this embodiment, as shown in fig. 1, the electromagnet 1 is connected to the control circuit 8, when the normally closed infrared inductive switch 9 and the limit switch 10 are closed, the electromagnet 1 is powered on to attract the armature 2 to move so as to disconnect the working circuit 5, at this time, the lighting device 6 and the ventilation device 7 are powered off and do not operate, otherwise, when any one or all of the normally closed infrared inductive switch 9 and the limit switch 10 are disconnected, the electromagnet 1 is not powered on, at this time, the armature 2 does not move, the working circuit 5 is kept on, and the lighting device 6 and the ventilation device 7 operate normally.

In the embodiment, as shown in fig. 1, a guide post 15 is slidably mounted on the armature 2, one end of the guide post 15 is fixedly connected with the electromagnet 1, the electromagnet 1 is powered on to attract the armature 2 to slide along the guide post 15, then after the electromagnet 1 is powered off, the armature 2 slides along the guide post 15 to reset, and the design of the guide post 15 helps to improve the moving smoothness of the armature 2.

Further, in the present embodiment, as shown in fig. 1, an insulating buffer spring 16 is slidably sleeved on the guide post 15, the insulating buffer spring 16 is made of stainless steel material and is not attracted by magnetic force, an insulating material is wrapped around the outer portion of the insulating buffer spring 16 to prevent electric conduction, two ends of the insulating buffer spring 16 are respectively connected with the electromagnet 1 and the armature 2, rigid collision between the armature 2 and the electromagnet 1 is prevented by the insulating buffer spring 16, and the service life of the electromagnet 1 and the armature 2 is shortened, because people always ride in the elevator in a whole day working process, a relay can frequently act, the armature 2 and the electromagnet 1 can frequently contact and separate, and the service life of the armature 2 and the electromagnet 1 can be reduced in the past, so the insulating buffer spring 16 is arranged between the armature 2 and the electromagnet 1, when the armature 2 and the electromagnet 1 approach each other, the insulating buffer spring 16 can be pressed, the moving speed of the armature 2 is gradually reduced until the armature 2 stops, but the magnetic force of the electromagnet 1 still exists, so that the armature 2 does not return to the reset state after stopping moving, the extrusion state of the insulating buffer spring 16 is kept until the electromagnet 1 is powered off, the armature 2 is blocked by the insulating buffer spring 16 to collide with the electromagnet 1 rigidly, and the purpose of prolonging the service life of the armature 2 and the electromagnet 1 is achieved.

Furthermore, the insulating buffer spring 16 is formed by connecting at least two spring 3 sections with different stiffness coefficients, as shown in fig. 2, which shows that the insulating buffer spring 16 is formed by two spring 3 sections with different stiffness coefficients, i.e. one spring 3 section and two spring 3 sections, so that the advantage of the design is that on one hand, when the electromagnet 1 is powered on, the armature 2 can drive the movable contact 4 to rapidly separate from the fixed contact 13 to complete the disconnection of the working circuit 5, and then the resistance to the armature 2 is gradually increased to rapidly reduce the moving speed to 0, on the other hand, the movement of the armature 2 keeps good smoothness, which is helpful for prolonging the service life of the relay.

In this embodiment, as shown in fig. 1 and 3, a conductive buffer spring 14 extending close to the moving contact 4 is fixedly arranged on the fixed contact 13, the moving contact 4 and the fixed contact 13 can be electrically connected elastically through the conductive buffer spring 14, so as to avoid the moving contact 4 and the fixed contact 13 from having a rigid collision and shorten the service life, because in the whole day of operation of the elevator, people always sit at times, which makes the relay frequently operate, i.e. the moving contact 4 and the fixed contact 13 frequently contact and separate, and in the past, the service lives of the moving contact 4 and the fixed contact 13 will tend to decrease, and after the conductive buffer spring 14 is arranged, the moving contact 4 and the fixed contact 13 can be electrically connected elastically through the conductive buffer spring 14, so as to avoid the moving contact 4 and the fixed contact 13 from having a rigid collision and shorten the service life, for example, after the electromagnet 1 is energized, the armature 2 is attracted to move the moving contact 4 and the conductive buffer spring 14, at this time, the conductive buffer spring 14 is in a natural state, then the electromagnet 1 is powered off, the armature 2 moves to enable the movable contact 4 to be in contact with the conductive buffer spring 14 and press the conductive buffer spring 14, after the movable contact 4 is in contact with the conductive buffer spring 14, the working circuit 5 is conducted, and after the conductive buffer spring 14 is pressed, the moving speed of the movable contact 4 can be reduced, so that the movable contact does not rigidly collide with the fixed contact 13 and contract.

Further, in this embodiment, the conductive buffer spring 14 is composed of at least two spring 3 segments with different stiffness coefficients, which are connected with each other, like the insulating buffer spring 16, and the conductive buffer spring 14 shown in fig. 3 is composed of two spring 3 segments with different stiffness coefficients, i.e., a first spring 3 segment and a second spring 3 segment, which are designed to have the advantage of keeping the armature 2 moving smoothly, and thus, the service life of the relay can be prolonged.

Preferably, the normally closed infrared inductive switch 9 is arranged in the center of the inner top surface of the elevator car, whether people exist in the car or not is conveniently and accurately detected, the limit switch 10 is arranged on the edge of the door of the elevator car, and whether the door of the elevator car is closed or not is conveniently detected.

Further, in this embodiment, as shown in fig. 1, a circuit breaker 11 connected in parallel with a normally closed infrared inductive switch 9 and a limit switch 10 is further disposed on the control circuit 8, the circuit breaker 11 is in a normally open state, and the circuit breaker 11 is also used for controlling on/off of the control circuit 8, for example, when the circuit breaker 11 is closed, even if the normally closed infrared inductive switch 9 and the limit switch 10 are both off, the control circuit 8 is still on, and the electromagnet 1 still attracts the armature 2 to move so as to disconnect the working circuit 5, so that the lighting device 6 and the ventilation device 7 are not operated when being powered off.

In this embodiment, as shown in fig. 1, the breaker 11 is in signal connection with a face recognition machine 12, the face recognition machine 12 is installed in the elevator car, and is used for picking up face information of a passenger entering the elevator car and comparing the picked face information with the information stored in the elevator car, if it is found that the passenger belongs to a resident or a tenant in the building, the face recognition machine 12 does not send any instruction, the breaker 11 is kept open, otherwise, if it is found that the passenger does not belong to a resident or a tenant in the building, the face recognition machine 12 sends a close instruction to the breaker 11, the breaker 11 is closed, and then the relay is operated to open the working circuit 5, so that the lighting device 6 and the ventilation device 7 are powered off and do not work, meanwhile, the face recognition machine 12 also sends early warning information to the elevator control system, the elevator door is controlled to open by the elevator control system according to the early warning information sent by the face recognition machine 12, and the voice prompts passengers to leave the elevator, so that the safety of residents or tenants in the building is protected, outsiders are prevented from entering and exiting each floor in the building at will, and the building safety is effectively improved.

Generally, the face recognition machine 12 includes a camera, a processor and a memory, the camera is used for shooting the face information of the passenger, in order to avoid the problem that the face information of the passenger cannot be shot, a plurality of cameras can be arranged in the elevator car, the face information shot by the cameras is transmitted to the processor, the memory is used for storing the face information of the resident or the tenant in the building, the information needs to be input in advance, the processor receives the face information shot by the cameras and then compares and analyzes the face information stored in the memory to obtain the conclusion whether the passenger belongs to the resident or the tenant in the building, if the passenger belongs to the foreign person, the processor sends a closing instruction to the circuit breaker 11 to cut off the power of the lighting device 6 and the ventilation device 7 to be out of work, and simultaneously the processor sends early warning information to the elevator control system to open the elevator door, and the language prompts passengers to please leave the elevator, so as to ensure the personal safety of building residents and tenants, and the structure and the working principle of the elevator control system and the face recognition machine 12 belong to the common knowledge, so detailed description is omitted.

The above embodiments are only used to illustrate the present invention and not to limit the technical solutions described in the present invention, and although the present invention has been described in detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and therefore, any modification or equivalent replacement may be made to the present invention; all the technical solutions and modifications without departing from the spirit and scope of the present invention are covered by the claims of the present invention.

Claims

1. The vertical elevator car illumination and ventilation energy-saving control device is characterized by comprising a relay, and a working circuit and a control circuit which are connected with the relay, wherein the working circuit is connected with an illumination device and a ventilation device in series, and the control circuit is connected with a normally-closed infrared induction switch and a limit switch in series;

the normally closed infrared inductive switch is used for detecting whether a person is in the elevator car;

2. The vertical elevator car lighting and ventilation energy saving control device of claim 1, wherein the lighting device is used to provide lighting for an elevator car.

3. The vertical elevator car lighting and ventilation energy saving control device of claim 1, wherein the ventilation device is used to ventilate an elevator car.

4. The vertical elevator car lighting and ventilation energy saving control device of claim 1, wherein the normally closed infrared sensing switch is off when a person is in the elevator car.

5. The vertical elevator car lighting and ventilation energy saving control device of claim 1, wherein the limit switch is not closed when the elevator car door is not closed.

6. The vertical elevator car lighting and ventilation energy-saving control device of claim 1, wherein the relay comprises an electromagnet, an armature and a spring, the electromagnet is connected to the control circuit, and when the normally closed infrared inductive switch and the limit switch are closed, the electromagnet is electrified to attract the armature to move so as to enable the working circuit to be conducted.

7. The vertical elevator car lighting and ventilation energy-saving control device according to claim 6, wherein a guide post is slidably mounted on the armature, one end of the guide post is fixedly connected with the electromagnet, the electromagnet is electrified to attract the armature to slide along the guide post, an insulating buffer spring is slidably sleeved on the guide post, and two ends of the insulating buffer spring are respectively connected with the electromagnet and the armature;

8. The vertical elevator car lighting and ventilation energy-saving control device of claim 1, wherein the normally closed infrared sensor switch is disposed in the center of the inner top surface of the elevator car.

9. The vertical elevator car lighting and ventilation energy saving control device of claim 1, wherein the limit switch is provided at an edge of an elevator car door.

10. The vertical elevator car lighting and ventilation energy-saving control device of claim 1, wherein the control circuit is further provided with a circuit breaker connected in parallel with the normally closed infrared inductive switch and the limit switch, the circuit breaker is in signal connection with a face recognition machine, and the face recognition machine comprises a camera, a processor and a memory.