CN211630287U - Multifunctional floor character superimposer - Google Patents

Abstract

The utility model discloses a multi-functional floor character superimposer, including system processing unit, and the gravity inductor, equipment state indicating module, BNC coaxial cable module be connected with system processing unit respectively to and external power source interface, data collection station interface, network interface. The gravity sensor is used for collecting the acceleration of the superimposer along with the running of the elevator; the BNC coaxial cable module is used for converting the superimposer communication signal into a BNC signal and transmitting the BNC signal through a coaxial cable; the data acquisition unit interface is used for being connected with the infrared photoelectric acquisition unit or the magnetic induction acquisition unit. The utility model adopts two modes of network interface and BNC coaxial cable module to transmit signals to the monitoring room, providing more data support for safety guarantee; the function of obtaining the running state of the elevator after data acquisition and processing in a gravity sensing mode is revolutionary in field construction and installation of floor character superimposers, and convenience and cost of installation are greatly reduced.

Description

Multifunctional floor character superimposer

Technical Field

The utility model belongs to the technical field of electronic equipment, particularly, for a multi-functional floor character superimposer.

Background

With the development of science and technology and the progress of society, people can face every day in urban life by taking the elevator, and in order to guarantee the taking safety of people, elevator monitoring becomes an indispensable safety guarantee link.

The conventional safety monitoring scheme is that a network camera is directly installed in an elevator car, and a video picture of the network camera is transmitted to a monitoring room, and only a picture shot by the camera can be obtained in the mode, so that the current operation state and the floor of the elevator cannot be known.

The elevator floor character superimposer can superimpose information such as elevator name, floor, direction of operation and state on the elevator control picture to when the elevator card layer, can confirm the accurate position that the elevator was located the very first time. The traditional floor character superimposer only supports an infrared photoelectric collector or a magnetic induction collector, and the two modes are very time-consuming and labor-consuming in installation and construction and have higher cost.

In view of this, the present invention is especially provided.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the problem that solves mainly lies in two aspects: firstly, dynamically overlaying the running state and floor information of the elevator to a video picture of a camera, and providing more data support for safety guarantee; and secondly, a scheme of using a gravity sensor to collect elevator state and floor information is provided, so that the installation and maintenance costs of the floor display are greatly reduced.

In order to solve the above problems, the utility model adopts the following basic concept:

a multifunctional floor character superposition device comprises a system processing unit, a gravity sensor, a device state indication module, a BNC coaxial cable module, an external power supply interface, a data acquisition device interface and a network interface, wherein the gravity sensor, the device state indication module and the BNC coaxial cable module are respectively connected with the system processing unit; the gravity sensor is used for collecting the acceleration of the superimposer along with the running of the elevator; the BNC coaxial cable module is used for converting the superimposer communication signal into a BNC signal and transmitting the BNC signal through a coaxial cable; and the data acquisition device interface is used for being connected with the infrared photoelectric acquisition device or the magnetic induction acquisition device and receiving signals of the infrared photoelectric acquisition device or the magnetic induction acquisition device. And the BNC coaxial cable module and the network interface are used for transmitting the video signal superposed with the floor information to the monitoring room.

The system processing unit processes the collected photoelectric signal data and/or magnetic induction signal data and gravity sensing data to obtain information of the current running state (running or stopping), running direction (up or down), current floor and the like of the elevator, and transmits the information to the camera in real time and then overlaps video pictures of the camera, so that the information obtained by the monitoring room is a dynamic video picture after the elevator state is overlapped, and the system processing unit is favorable for safety monitoring and real-time control of the state information of the elevator. The system processing unit includes a main processing chip (i.e., host processor), preferably employing an MT7688 chip module.

The utility model provides an use the function of gravity-feed tank state and floor for installation and use cost greatly reduced. In addition, a data acquisition device interface is reserved, the data acquisition device can be connected with an infrared photoelectric acquisition device or a magnetic induction acquisition device, various acquisition functions are integrated, and the data acquisition device is suitable for different installation scene requirements.

Preferably, in the multifunctional floor character superimposer, the external power interface is a 12V dc input power interface.

Preferably, in the multifunctional floor character superimposer, the external collector interface is a standard GPIO interface.

Preferably, in the multifunctional floor character superimposer, the data collector interface is a standard GPIO interface.

Preferably, in the multifunctional floor character superimposer, the gravity sensor is an accelerometer, and the acceleration of the equipment moving along with the elevator is acquired.

Preferably, in the multifunctional floor character superimposer, the network input and output interfaces are a pair, and support 10M/100M adaptive network communication.

Preferably, in the multifunctional floor character superimposer, the equipment state indicating module comprises 6 LCD indicator lamps, which are respectively used for displaying the power switch state, the system running state, the gravity sensing signal state, the data collector running state, the network interface running state and the BNC communication state.

After the technical scheme is adopted, compared with the prior art, the utility model following beneficial effect has:

the utility model discloses floor character superimposer adds the state of elevator operation and floor information developments to camera video picture in, adopts BNC coaxial cable module to convert superimposer communication signal into BNC signal, and the video signal who has superimposed floor information is transmitted to the monitor through coaxial cable to and network interface, and the video signal who has superimposed floor information is transmitted to the monitor through the net twine of being connected with network interface, and the dual transmission mode is selected, provides more data support for the safety guarantee; collect multiple modes such as infrared photoelectric collector, magnetic induction collector and gravity inductor in an organic whole, except providing traditional infrared and magnetic induction collection function, still can select this kind of scheme that does not have external collector of gravity induction collection, make installation, debugging and the maintenance cost greatly reduced of equipment.

In addition, the utility model supports the common brand camera on the market, and can support more camera brands and models as required through firmware upgrading.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the corresponding technical solutions, the drawings that are needed to be used in the embodiments or the prior art descriptions will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

Fig. 1 is a block diagram of a specific example of the multifunctional floor character superimposer of the present invention.

FIG. 2 is a pin diagram of a main processing chip module;

FIG. 3 is a pin schematic diagram of a BNC coaxial cable module;

FIG. 4 is a schematic diagram of a lead of a gravity sensor;

FIG. 5 is a schematic diagram of the system processing unit in connection with a BNC coax module;

FIG. 6 is a schematic diagram of a system processing unit interfacing with a network;

FIG. 7 is a schematic diagram of a system processing unit coupled to a device status indication module;

fig. 8 is a schematic diagram of an external power interface circuit.

Detailed Description

The invention will be further described with reference to the accompanying drawings and specific embodiments to assist understanding of the invention.

As shown in fig. 1, a multifunctional floor character superimposer includes an external power interface, preferably a 12V dc input power interface, for connecting an external power supply to get electricity, and a system processing unit in circuit connection with the external power interface, the system processing unit being respectively in circuit connection with a data collector interface, a gravity sensor, a BNC coaxial cable module, a pair of network interfaces, and an equipment status indication module; each module, interface and the like are contained on the carrier plate, and the data collector interface is a standard GPIO interface and can be connected with an external infrared photoelectric collector or a magnetic induction collector.

The system processing unit arranged on the carrier plate is additionally provided with a cover plate, so that external interference can be shielded, and the heat dissipation effect is improved; the peripheral frame of support plate is thickened, increases the stability of structure, and the protection internal component is difficult for receiving the injury.

In one embodiment of the present invention, the system processing unit comprises a main processing chip (i.e. a main processor), preferably an MT7688 chip module, and the pins and the connection marks thereof are shown in fig. 2.

In this embodiment, the principle of the BNC coaxial cable module is shown in fig. 3, and is connected to the corresponding pin of the main processing chip (i.e. the system processing unit) according to fig. 5, which is a standard BNC module, and can be purchased directly in the market, and details are not repeated.

In this embodiment, the data collector interface is used to connect an infrared photoelectric collector or a magnetic induction collector, the carrier plate can provide a 3.3V direct power supply for the collector, and the collector transmits a data signal to the system processing unit through a standard GPIO port, which is a mature technology in the field and is not described again. The data of the collector is transmitted to two GPIO ports P4-TP and P4-TN of a system processing unit.

In this embodiment, the gravity sensor is a gravity acceleration collector fixed on the carrier plate, and the gravity sensor is connected to the system processing unit through the SPI interface. When the floor character superimposer moves along with the elevator car, the acceleration of the elevator operation can be measured, and data are transmitted to the system processing unit through the SPI interface. The pin definition of the gravity sensor is shown in fig. 4, and the pin identifier according to the figure is connected to the SPI pin of the system processing unit.

In this embodiment, both network interfaces can perform input and output functions, and the network interface is a 10M/100M adaptive network interface, and is connected to the relevant pins of the system processing unit as shown in fig. 6.

In this embodiment, the device status indication module includes 6 LED indicator lamps, and is connected to the system processing unit as shown in fig. 7 (only two LED lamp circuits are shown in the figure). The 6 LED indicating lamps respectively indicate the power switch state, the system running state, the gravity sensing signal state, the data acquisition device running state, the network interface running state and the BNC communication state.

In this embodiment, the external power source is a 12V/1A direct power module, and is connected to the system processing unit as shown in fig. 8.

In this embodiment, the system processing unit is further connected to a reset key through a circuit, so that the system can be conveniently restarted by one key when the system fails to operate.

When the system works, the 12V/1A external power supply module is kept powered on, the equipment is started, and the system processing unit starts to self-start after detecting a power supply signal. And sequentially detecting the peripheral equipment units in the self-starting process, confirming normal operation, finishing starting from the normal operation, and displaying the starting state through the equipment state indicating module. And then, the system processing unit controls all the peripheral equipment units, receives data signals of the peripheral equipment units, processes the data signals, sends the processed data signals to the BNC coaxial cable module and outputs the processed data signals to the monitoring room, and meanwhile updates the state indication of the equipment state display module. All the peripheral equipment units are independently connected with the system processing unit to carry out transmission communication of data or instruction information, and various works are completed.

In this embodiment, the system processing unit may be equipped with a submerged Linux system, which provides a wider platform and good compatibility for software development. The utility model discloses multi-functional floor character superimposer aims at providing terminal equipment's hardware basis to system processing unit carries on operating system, adjusts extension software according to the demand, so that floor character superimposer can expand web camera or the third party system that supports the update.

The utility model integrates multiple functions, and supports a novel gravity sensing data acquisition mode besides supporting the traditional infrared photoelectric acquisition device and magnetic induction acquisition device; in addition to supporting common 10M/100M adaptive network communication, the communication aspect also supports coaxial cable transmission of data signals.

In addition, in the description of the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected. The term "circuit connection" or "electrical connection" refers to a connection between two elements through an unnecessary limited circuit trace according to the definition of a pin, which is a conventional circuit in the art, and unless the present invention provides another embodiment of a connection circuit, the term "circuit connection" or "electrical connection" should be regarded as any suitable circuit that can be selected by one of ordinary skill in the art.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (6)

1. The multifunctional floor character superimposer is characterized by comprising a system processing unit, a gravity sensor, an equipment state indicating module, a BNC coaxial cable module, an external power supply interface, a data acquisition device interface and a network interface, wherein the gravity sensor, the equipment state indicating module and the BNC coaxial cable module are respectively connected with the system processing unit;

the gravity sensor is used for collecting the acceleration of the superimposer along with the running of the elevator;

the BNC coaxial cable module is used for converting the superimposer communication signal into a BNC signal and transmitting the BNC signal through a coaxial cable;

and the data acquisition device interface is used for being connected with the infrared photoelectric acquisition device and/or the magnetic induction acquisition device and receiving the infrared photoelectric acquisition device signal and/or the magnetic induction acquisition device signal.

2. The multi-function floor character superimposer of claim 1, wherein: the external power supply interface is a 12V direct current input power supply interface.

3. The multi-function floor character superimposer of claim 1, wherein: the data collector interface is a standard GPIO interface.

4. The multi-function floor character superimposer of claim 1, wherein: the gravity sensor is an accelerometer and is used for acquiring the acceleration of the equipment moving along with the elevator.

5. The multi-function floor character superimposer of claim 1, wherein: the network interfaces are a pair and support 10M/100M self-adaptive network communication.

6. The multi-function floor character superimposer of claim 1, wherein: the equipment state indicating module comprises 6 LED indicating lamps which are respectively used for displaying the power switch state, the system running state, the gravity sensing signal state, the data acquisition unit running state, the network interface running state and the BNC communication state.

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