CN210931471U

CN210931471U - After-sale auxiliary diagnosis device for medical imaging equipment

Info

Publication number: CN210931471U
Application number: CN201921364050.2U
Authority: CN
Inventors: 田启源; 吴志敏; 吴胜勇; 李仁攀; 骆世先
Original assignee: Chengdu Kaitu Medical System Technology Co ltd
Current assignee: Chengdu Kaitu Medical System Technology Co ltd
Priority date: 2019-08-21
Filing date: 2019-08-21
Publication date: 2020-07-07
Anticipated expiration: 2029-08-21

Abstract

The utility model discloses an after-sale auxiliary diagnosis device for medical imaging equipment, which comprises a display module and a plurality of subsystems, wherein the subsystems are connected with the display module through a CAN bus; each subsystem comprises a driving board, two limit switches and two sensors, wherein the two limit switches are K1 and K2 respectively, and the driving board is used for collecting signals of the limit switches and the sensors and transmitting the collected signals to the display module through the CAN bus; the drive board includes treater U1~ U3 and singlechip U4, and the output of singlechip U4 passes through CAN bus connection to display module. The utility model discloses a display module assembly and line connection's mode can realize equipment control element's accurate diagnosis, improves staff's diagnostic efficiency and convenience.

Description

After-sale auxiliary diagnosis device for medical imaging equipment

Technical Field

The utility model relates to a medical imaging equipment diagnosis technical field especially relates to an auxiliary diagnosis device after sale for medical imaging equipment.

Background

At present, most of the position control of medical imaging equipment adopts a photoelectric encoder, an electromagnetic encoder, a potentiometer, a hall sensor or other modes to cooperate with a microswitch or an optocoupler switch for motion position feedback and detection. In the actual use process, the electric element is a consumable material, which often needs to be checked, and the large-scale medical imaging equipment is complex to install, and the installation position of the electric element is scattered and hidden, and most of the electric element is installed in the equipment. When the component is diagnosed, all components need to be checked in sequence, the shell and other components of the equipment often need to be detached in the troubleshooting process, the wiring path of the equipment device is very long and complex, and particularly after the middle of the equipment device is switched for a plurality of times, the whole detection process is very complicated and is very easy to make mistakes, and the diagnosis accuracy is low. And the detection process aiming at the large workload often needs a plurality of workers to complete the operation, thereby reducing the detection efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to overcome the defects, the after-sales auxiliary diagnosis device for the medical imaging equipment is provided, so that the detection efficiency and convenience of a control element in the medical imaging equipment can be improved.

In order to achieve the above purpose, the technical scheme of the utility model is that: an after-sale auxiliary diagnosis device for medical imaging equipment comprises a display module and a plurality of subsystems, wherein the subsystems are connected with the display module through a CAN bus; every subsystem includes drive plate, limit switch and sensor, and limit switch is two, is K1, K2 respectively, and the drive plate is arranged in gathering limit switch and sensor's signal to transmit to the display module assembly in through the CAN bus with gathering the signal.

Further, the drive plate includes treater U1~ U3 and singlechip U4, and the output of singlechip U4 passes through CAN bus connection to display module, treater U1's input is connected with limit switch, and treater U1's output is connected with singlechip U4 to in passing through singlechip U4 with limit switch's signal and exporting to display module, treater U2's input is connected with the output of sensor, and its output is connected with treater U3's input, and treater U3's output is connected to singlechip U4, in order to export the signal of sensor to display module through singlechip U4.

Further, a CAN driving chip is connected between the single chip microcomputer U4 and the CAN bus.

Further, the driving board further comprises a power supply U5, a resistor R1 and a capacitor C1, wherein an output end of the power supply U5 is connected with the single chip microcomputer and one end of the resistor R1 to supply power to the single chip microcomputer and the resistor R1, the other end of the resistor R1 is connected with one end of the capacitor C1, and the other end of the capacitor C1 is grounded.

Since the proposal is adopted, the beneficial effects of the utility model reside in that: the utility model provides a not enough of prior art, the utility model provides an after sales auxiliary diagnosis device for medical imaging equipment, its benefit is:

(1) the utility model discloses a display module assembly and line connection's mode can realize equipment control element's accurate diagnosis, avoids the staff when diagnosing control element, still need carry out certain demolising to its installation environment, detects control element's operating condition again, has improved staff's diagnostic efficiency and convenience.

(2) The utility model discloses the circuit structure of subsystem is simple, and detecting element such as limit switch, sensor is through the circuit of difference with signal transmission to singlechip U4 in, mutual noninterference between the circuit has improved diagnostic accuracy.

Drawings

Fig. 1 is a schematic circuit diagram of the subsystem connected to the display module according to the present invention.

Fig. 2 is a schematic circuit diagram of a subsystem according to the present invention.

Reference numerals: 1-driving board, 2-subsystem, 21-CAN bus, 22-display module.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Examples

As shown in fig. 1, an after-sales auxiliary diagnosis device for medical imaging equipment comprises a display module 22 and a plurality of subsystems 2, wherein each subsystem 2 comprises a driving board 1, a limit switch and a sensor. The limit switches and the sensors are control elements which are inevitably arranged on the medical imaging equipment in the prior art, and in the prior art, two limit switches of one medical imaging equipment are defined as K1 and K2 which are respectively arranged at the upper limit end and the lower limit end of the movement range of the medical imaging equipment, and when the equipment moves to the limit position, the working state of the limit switches can be diagnosed. However, since the limit switch is disposed inside the medical imaging device, it is very inconvenient to detect the working state of the medical imaging device, and the housing needs to be removed for inspection. In the prior art, the limit switch can be a micro switch, an optical coupler, and other elements according to different image devices; the sensor can be used for feeding back the current movement position of the medical imaging equipment, the working state of the sensor can be diagnosed by moving the medical imaging equipment and checking whether the position fed back by the sensor is continuous, and the sensor is also arranged in the shell like the limit switch, and the shell can be detached when the working state of the sensor is checked.

Therefore, in order to solve the above problem, the utility model discloses a new circuit that is used for detecting its operating condition has additionally been connected for limit switch and sensor for need not unpack apart the casing inspection as in the prior art, specifically as follows:

drive plate 1 is arranged in gathering limit switch and sensor's signal to in will gathering signal transmission to display module assembly 22 through CAN bus 21, so CAN react each control element's operating condition through display module assembly 22, avoid the staff when diagnosing control element, still need carry out certain demolising its installation environment, detect control element's operating condition again, this application CAN realize equipment control element's accurate diagnosis through display module assembly 22 and line connection's mode, improve staff's diagnostic efficiency and convenience. The display module 22 is connected with an external display screen by an ARM CPU, the type of the CPU is AM3351, and in order to facilitate the staff to check the working state of each control element in the medical imaging equipment through the display module 22, the display module 22 can be matched with a corresponding software program to use.

Specifically, the driving board 1 comprises processors U1-U3, a single chip microcomputer U4, a power supply U5, a resistor R1 and a capacitor C1, as shown in FIG. 2. The processor U1 is a Schmitt trigger and is SN74LVC4245APW in model number, the processor U2 is an amplifier and is MCP602 in model number, the processor U3 is an AD collector in model number AD7949, the singlechip U4 is PIC32MZ0512EFF100 in model number, and the power supply U5 is MIC28511 in model number. The power supply U5 is used for supplying power to all elements in the driving board 1 and limit switches and sensors in the subsystem 2, the output end of the single chip microcomputer U4 is connected with an external CAN bus 21 through a CAN driving chip to achieve data transmission, the model of the CAN driving chip is MCP2542, and the model of the limit switches is RV-165-1C 25. Specifically, the output end of the power supply is respectively connected to one ends of a single chip microcomputer U4 and a resistor R1, the other end of the resistor R1 is connected to one end of a capacitor C1 and the input end of a processor U1, the output end of the processor U1 is connected to an interface of the single chip microcomputer U4, one end of the capacitor C1 is further connected to one end of an external limit switch, and the other end of the capacitor C1 and the other end of the external limit switch are both grounded; the sensor comprises a potentiometer and an encoder, wherein the encoder is of the type of EAMM58-90-115, the potentiometer is of the type of 7286R10KL.25, the potentiometer and the encoder are both connected with the output end of a power supply U5, the encoder is a digital circuit and can send signals to a single chip microcomputer U4 through an SSI communication protocol, one input end of the potentiometer is grounded, the output end of the potentiometer is connected to the input end of a processor U2, the output end of the processor U2 is connected to the input end of a processor U3, and the output end of the processor U3 transmits the signals to the single chip microcomputer U4; the output end of the single chip microcomputer U4 is connected with one end of a CAN bus 21 through a CAN driving chip, and the other end of the CAN bus 21 is connected with a display module 22 to realize visualization of signals.

The specific working principle is as follows:

firstly, a detection circuit where the limit switch is located is explained: a worker operates an external display screen to start diagnosing the working state of a limit switch in medical imaging equipment, firstly, the medical imaging equipment such as a medical suspension DR rack moves to the upper limit end and the lower limit end of the medical suspension DR rack through external operation, if the limit switch is correspondingly triggered, namely, the limit switch is in a closed state, the limit switch can output a low level to a processor U1 at the moment, and a signal is output to a single chip microcomputer U4 after being shaped by a processor U1, wherein the processor U1 has a hysteresis effect and can effectively filter interference signals in a circuit, the limit switch is also connected with a capacitor C1, and the capacitor can also effectively filter high-frequency interference signals so as to enable the information to be free of interference signals in information transmission; the single chip microcomputer U4 transmits the output signal of the limit switch to the display module 22 through the CAN bus 21 after receiving the signal, and finally displays the result through the display screen connected with the single chip microcomputer U4. The limit switch is normally triggered at this time, so that the working state of the limit switch and the corresponding control circuit is normal.

If limit switch does not appear corresponding triggering, namely limit switch is in the off-state, limit switch CAN output high level to treater U1 this moment, and the signal exports to singlechip U4 after the treater U1 plastic, and singlechip U4 receives in the signal through CAN bus 21 with limit switch's output signal transmission to display module 22, through its display screen display result of connecting at last. At this time, the limit switch is not normally triggered, so that the working states of the limit switch and the corresponding control circuit are abnormal.

Next, a description is given of a detection line where the sensor is located: the staff operates the display module 22 to diagnose the working state of the sensor in the medical imaging device, firstly, the device such as the medical suspension DR rack moves from the upper limit end to the lower limit end through external operation, wherein the sensor feeds back the current movement position of the medical imaging device to the display module 22 through the single chip microcomputer U4, and finally, the result is displayed through the display screen connected with the display module. For example, the potentiometer will change the magnitude of its analog output value along with the movement of the medical imaging device, and its output value is transmitted to the display module 22 through the single chip U4; the encoder changes its own encoding value along with the movement of the medical imaging device, and the encoding value is also transmitted to the display module 22 through the single chip microcomputer U4. Thus, if the value on the display module 22 varies linearly, the working status of the sensor and the corresponding control circuit is normal, and if the value on the display module 22 varies non-linearly, the working status of the sensor and the corresponding control circuit is abnormal.

Parts not described in the above modes can be realized by adopting or referring to the prior art.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An after-sale auxiliary diagnosis device for medical imaging equipment, characterized in that: the system comprises a display module (22) and a plurality of subsystems (2), wherein the subsystems (2) are connected with the display module (22) through a CAN bus (21); each subsystem (2) comprises a drive board (1), two limit switches and two sensors, wherein the two limit switches are respectively K1 and K2, and the drive board (1) is used for acquiring signals of the limit switches and the sensors and transmitting the acquired signals to the display module (22) through the CAN bus (21).

2. The apparatus of claim 1, wherein the apparatus comprises: the drive board (1) comprises processors U1-U3 and a single chip microcomputer U4, the output end of the single chip microcomputer U4 is connected to a display module (22) through a CAN bus (21), the input end of the processor U1 is connected with a limit switch, the output end of the processor U1 is connected with a single chip microcomputer U4, signals of the limit switch are output to the display module (22) through the single chip microcomputer U4, the input end of the processor U2 is connected with the output end of a sensor, the output end of the processor U3 is connected with the input end of the processor U3, and the output end of the processor U3 is connected to the single chip microcomputer U4 so that signals of the sensor are output to the display module (22) through the single chip microcomputer U4.

3. The apparatus of claim 2, wherein the apparatus comprises: and a CAN driving chip is also connected between the single chip microcomputer U4 and the CAN bus (21).

4. The apparatus of claim 1, wherein the apparatus comprises: the driving board (1) further comprises a power supply U5, a resistor R1 and a capacitor C1, wherein the output end of the power supply U5 is connected with the single chip microcomputer and one end of the resistor R1 to supply power to the single chip microcomputer and the resistor R1, the other end of the resistor R1 is connected with one end of the capacitor C1, and the other end of the capacitor C1 is grounded.