CN215118269U

CN215118269U - LED display driving device and medical equipment

Info

Publication number: CN215118269U
Application number: CN202120892724.7U
Authority: CN
Inventors: 余永红; 杨华; 钟国晨; 马易志
Original assignee: Siemens Shanghai Medical Equipment Ltd
Current assignee: Siemens Shanghai Medical Equipment Ltd
Priority date: 2021-04-27
Filing date: 2021-04-27
Publication date: 2021-12-10
Anticipated expiration: 2031-04-27

Abstract

The present disclosure provides an LED display driving device and a medical apparatus, the LED display driving device including: a controller providing a plurality of channels, each of the channels being connected to at least one LED array, respectively; and a master station configured to be connected to the controller through a bus and to generate a plurality of display sequences, wherein the controller is further configured to receive the display sequences from the master station through the bus to control the display of the LED arrays correspondingly connected to the respective channels, respectively, and wherein the bus communicates based on a CANopen protocol. The LED display driving device provided by the disclosure has rich color rendering effect, has good universality and is easy to integrate by adopting an interface protocol.

Description

LED display driving device and medical equipment

Technical Field

The present disclosure relates to a control technique for LED arrays, and more particularly, to a lighting rendering technique based on three primary color LED arrays.

Background

At present, the traditional single-color LED lamp is mainly used in the field of medical appliances, and the visual effect of the lamp is flat. The three primary colors led (rgb led) is formed by mixing red, green and blue light, and can provide light color rendering, and is widely used in various industries. Therefore, it is considered to provide an LED array control technique with rich light color rendering effect in the medical device, so as to project pictures, text and information combinations, etc. for the medical device through the LED illumination rendering technique.

SUMMERY OF THE UTILITY MODEL

A first aspect of embodiments of the present disclosure provides an LED display driving apparatus with improved color driving, the LED display driving apparatus including: the controller is provided with a plurality of channels, and each channel is respectively connected with a plurality of LED arrays consisting of at least one LED component; and a master station configured to be connected to the controller through a bus and to generate a plurality of display sequences, wherein the controller is further configured to receive the display sequences from the master station through the bus to control the display of the LED arrays connected corresponding to the respective channels, respectively, and wherein the bus communicates based on a CANopen protocol.

Another aspect of the present disclosure provides a medical apparatus comprising the LED display driving device as described above.

One advantage of the LED display driving apparatus provided by the present disclosure is that the LED arrays, particularly the LED arrays including three primary color LED devices, can be controlled separately through a plurality of channels by using one controller, thereby improving the color rendering effect and having more color combinations and color dynamics.

Another advantage is that the bus based on CANopen protocol allows the display sequence generated by the master station to be transmitted to the controller and control the display of the LED arrays through the channels, with wider versatility and easy integration.

Drawings

The above and other features and advantages of the present disclosure will become more apparent to those of ordinary skill in the art by describing in detail embodiments thereof with reference to the attached drawings, in which:

fig. 1 is a schematic structural diagram of an LED display driving apparatus according to an exemplary embodiment of the present disclosure.

Wherein the reference numbers are as follows:

10LED display driving device

11 Master station

13 controller

15 bus

17 channel

21LED array

Detailed Description

For a more clear understanding of the technical features, objects, and effects of the present disclosure, embodiments of the present disclosure will now be described with reference to the accompanying drawings, in which like reference numerals refer to like parts throughout.

"exemplary" means "serving as an example, instance, or illustration" herein, and any illustration, embodiment, or steps described as "exemplary" herein should not be construed as a preferred or advantageous alternative.

For the sake of simplicity, only the parts relevant to the present disclosure are schematically shown in the drawings, and they do not represent the actual structure as a product. In addition, in order to make the drawings concise and understandable, components having the same structure or function in some of the drawings are only schematically illustrated or only labeled.

In this document, "one" means not only "only one" but also a case of "more than one". In this document, "first", "second", and the like are used only for distinguishing one from another, and do not indicate the degree of importance and order thereof, and the premise that each other exists, and the like.

In order to provide the LED display driving device with rich color rendering, the LED display driving device can perform display control on a plurality of LED arrays based on a bus interface and a bus of a CANopen protocol, and the bus interface and the bus of the CANopen protocol are widely applied to medical equipment, so that the LED display driving device has good universality and is easy to integrate. The present disclosure is described in detail below with reference to specific examples.

As shown in fig. 1, the LED display driving device 10 includes: the controller 13 is used for providing a plurality of channels 17, and each channel 17 is respectively connected with at least one LED array 21 consisting of a plurality of LED components; and a master station 11 configured to be connected to the controller 13 via a bus 15 and to generate a plurality of display sequences, wherein the controller 13 is further configured to receive the display sequences from the master station 11 via the bus 15 to control the display of the LED arrays 21 respectively connected to the channels 17, and wherein the bus 15 is based on the CANopen protocol. The master station may comprise a bus interface of the CANopen protocol, so that the bus 15 can transmit the display sequence to the controller 13 via this bus interface. In addition, the master station 11 may be embodied as one or more microprocessors, microcomputers, microcontrollers, central processing units, logic circuits, and/or any devices that manipulate signals based on operational instructions. In addition, each LED array 21 can present different contents, such as color combinations or text contents, according to the receiving different display sequences.

According to the LED display driving apparatus 10 of some illustrated embodiments, the bus 15 may be extended based on one of a CAN protocol or an ethernet protocol. According to some illustrated embodiments, the LED array 21 includes three primary color LED (rgb LED) components.

According to some illustrated embodiments of the LED display driver 10, each channel 17 connected to a corresponding LED array 21 includes at least an I/O control to control the driving of the LED array 21.

According to some illustrated embodiments, the LED arrays 21 respectively connected to the channels 17 are configured as light strips, matrix or blocks, etc., the LED arrays 21 are configured in relative positions, that is, the LED array 21 of each channel can be configured as light strips, matrix or display blocks, etc., the controller 13 can control the hour effect of the corresponding LED array 21 by receiving the display sequence of the master station 11, that is, the light strips can be arranged at the edge positions of a medical device for displaying according to the display effect of different areas, and the LED arrays 21 in the form of display blocks or matrix are arranged at the center position of the device for displaying patterns or displaying characters.

Another aspect of the present disclosure provides a medical apparatus comprising the LED display driver device 10 as described above. According to some illustrated embodiments, for example, a CT device, a plurality of LED arrays 21 may be configured to be arranged in a light strip along a Gantry (Gantry) of the CT device, the plurality of LED arrays 21 are respectively connected to the controller 13 through the channels 17, the controller 13 drives the LED arrays 21 to perform color rendering by receiving a display sequence from the master station 11, the master station 11 transmits the display sequence to the controller 13 by using a bus interface and a bus 15 of a CANopen protocol commonly found in medical devices such as CT devices, and when the LED arrays 21 include three primary color LED devices, richer and dynamic color rendering may be provided for alleviating a sense of claustrophobia of a patient in a Gantry position of the CT device than in an enclosed area.

The above description is only exemplary of the present disclosure and should not be taken as limiting the disclosure, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present disclosure should be included in the scope of protection of the present disclosure.

Claims

1. An LED display driver, comprising: the LED lamp comprises a controller (13), wherein the controller (13) provides a plurality of channels (17), and each channel (17) is connected with at least one LED array (21) consisting of a plurality of LED components; and

a master station (11) configured to be connected to the controller (13) via a bus (15) and to generate a plurality of display sequences, wherein the controller (13) is further configured to receive the display sequences from the master station (11) via the bus (15) to control the display of the LED arrays (21) connected corresponding to the respective channels (17), respectively, and wherein the bus (15) communicates based on a CANopen protocol.

2. The LED display driver arrangement according to claim 1, wherein the bus (15) is extended to be based on one of a CAN protocol or an ethernet protocol.

3. The LED display driver arrangement according to claim 1, wherein said LED array (21) comprises three primary color LED components.

4. The LED display driver arrangement according to claim 1, wherein each of said channels (17) comprises at least an I/O control.

5. The LED display driving device according to claim 1, wherein the LED arrays (21) respectively connected to the channels (17) are configured in a form of a light strip, a matrix or a block, and the LED arrays (21) are configured in a relative position.

6. A medical apparatus, characterized by comprising the LED display driving device (10) according to any one of claims 1 to 5.