Water leakage early warning device for magnetic resonance equipment and magnetic resonance equipment

Abstract

The utility model provides a water leakage early warning device for magnetic resonance equipment and the magnetic resonance equipment. The water leakage early warning device comprises a water pressure collector and a water cooling system connected to the magnetic resonance equipment, and the water pressure collector is used for collecting a first water pressure signal of the water cooling system; the digital display meter is electrically connected to the water pressure collector and receives the water pressure signal from the water pressure collector, and the digital display meter is configured to display the first water pressure signal and analyze the first water pressure signal into a second water pressure signal; the remote unit is in communication connection with the digital display meter and receives a second water pressure signal from the digital display meter; and the remote terminal is in communication connection with the remote unit and receives the second water pressure signal from the remote unit. The remote terminal can monitor the water pressure of the water cooling system in real time, delay does not exist, and once the water pressure exceeds a normal range, the water pressure can be observed in time, so that remedial measures can be taken as soon as possible.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of magnetic resonance equipment accessories, especially to a water leakage early warning device for magnetic resonance equipment and magnetic resonance equipment. BACKGROUND

[0002] Water leakage of the water cooling system of the magnetic resonance equipment due to pipe aging, sand eye and water seepage, or component failure of the water cooling circulation system, causes simultaneous damage of multiple components. Many magnetic resonance equipment water cooling system water pressure abnormal changes cannot be timely warned. Once the water leakage and potential water leakage problems are not discovered in time, multiple components may be damaged, such as water leakage of the radio frequency amplifier causing damage of the reconstruction computer below; water leakage of the gradient coil causing failure of the emission coil, etc., resulting in increased cost of spare parts repair and replacement, extended downtime of the equipment, and significantly increased operation and maintenance cost of the equipment.

[0003] At present, the treatment of MR equipment water leakage or potential water leakage problems is still mostly the strategy of "repairing and replacing as soon as possible", and there is no early warning device that can be widely covered and can monitor in real time and timely issue warning notifications to remind customers or engineers to intervene in inspection and repair as soon as possible. SUMMARY

[0004] The utility model solves the technical problems in the prior art, and provides a water leakage early warning device for magnetic resonance equipment and magnetic resonance equipment.

[0005] The utility model realizes the above technical effects through the following technical scheme:

[0006] The utility model provides a water leakage early warning device for magnetic resonance equipment, which comprises:

[0007] A water pressure collector is connected to the water cooling system of the magnetic resonance equipment, and is used to collect a first water pressure signal of the water cooling system;

[0008] A digital display meter is electrically connected to the water pressure collector and receives a water pressure signal from the water pressure collector, and is configured to display the first water pressure signal and analyze the first water pressure signal into a second water pressure signal;

[0009] A remote unit is communicatively connected to the digital display meter and receives a second water pressure signal from the digital display meter;

[0010] A remote terminal is communicatively connected to the remote unit and receives the second water pressure signal from the remote unit.

[0011] In the present scheme, the remote terminal can monitor the first water pressure signal of the water cooling system in real time, there is no delay, once the water pressure exceeds the normal range, it can be observed in time, so as to intervene as soon as possible to take remedial measures, reduce the downtime of the equipment. Users can check the water pressure status at any time on the remote terminal (such as mobile phone terminal), which is not affected by the on / off of the magnetic resonance equipment. Even during the long holiday equipment downtime, if the water cooling system is shut down due to abnormal water pressure, the user can also monitor it in time, and reduce the loss of liquid helium in time.

[0012] Preferably, the water leakage early warning device further comprises a water cooling system control panel, which is electrically connected to the water pressure collector and used to power the water pressure collector.

[0013] In the present scheme, the water cooling system control panel powers the water pressure collector as part of the magnetic resonance system, without the need to additionally increase the power module.

[0014] Preferably, the water leakage early warning device further comprises a signal isolator, an input end of the signal isolator being electrically connected to the water pressure collector and receiving the water pressure signal from the water pressure collector.

[0015] The signal isolator comprises a first output end and a second output end, the first output end being electrically connected to the water cooling system control panel and transmitting the first water pressure signal to the water cooling system control panel, and the second output end being electrically connected to the digital display meter and transmitting the first water pressure signal to the digital display meter.

[0016] In the present scheme, the signal isolator can perform anti-interference processing on signal data on the one hand, and can divide the first water pressure signal into two paths, one of which is transmitted to the water cooling system control panel and the other of which is transmitted to the digital display meter.

[0017] Preferably, the digital display meter comprises a power output port, which is electrically connected to the signal isolator to power the signal isolator.

[0018] In the present scheme, the signal isolator is powered by the digital display meter, without the need to additionally set up a power module.

[0019] Preferably, the water leakage early warning device further comprises an alarm unit, which is electrically connected to the remote terminal, and the alarm unit is configured to send an alarm signal after receiving the control signal of the remote terminal.

[0020] In the scheme, by setting the alarm unit, the function of 24-hour real-time monitoring of the water pressure parameter of the water cooling system is realized, and when the water pressure parameter exceeds the limit, the alarm signal is sent after the user sets the alarm threshold on the mobile phone terminal, and the real-time remote early warning function is realized. Engineers can intervene in the first time and take corresponding remedial measures to reduce the simultaneous damage of multiple components caused by water leakage problems.

[0021] Preferably, the digital display is configured with an Internet of Things card, and the digital display is connected to the remote unit in communication through the Internet of Things card.

[0022] In the scheme, the Internet of Things card is adopted, without the need to access the hospital network, and the network data security problem that customers are concerned about can be effectively avoided.

[0023] Preferably, the remote unit is a data transmission unit (DTU).

[0024] Preferably, the water pressure collector is a pressure transmitter.

[0025] A magnetic resonance device comprising the water leakage early warning device.

[0026] In the scheme, the user can check the water pressure state on the remote terminal at any time and anywhere, and is not affected by the on / off of the magnetic resonance device, and even during the long holiday device downtime, such as water pressure abnormal water cooling system shutdown, the user can also monitor in time, and reduce the loss of liquid helium in time.

[0027] Preferably, the magnetic resonance device comprises a water cooling system, and the water pressure collector is electrically connected to the water cooling system and is used to collect the first water pressure signal of the water cooling system.

[0028] On the basis of conforming to the common sense in the art, the above-mentioned preferred conditions can be combined arbitrarily, that is, the preferred examples of the present application are obtained.

[0029] The positive progress effect of the present application is that for the water leakage early warning device for the magnetic resonance device, the remote terminal can monitor the first water pressure signal of the water cooling system in real time, there is no delay, and the water pressure can be observed in time when it exceeds the normal range, so as to intervene as soon as possible to take remedial measures and reduce the downtime of the device. The user can check the water pressure state on the remote terminal (such as mobile phone terminal) at any time and anywhere, and is not affected by the on / off of the magnetic resonance device, and even during the long holiday device downtime, such as water pressure abnormal water cooling system shutdown, the user can also monitor in time, and reduce the loss of liquid helium in time. BRIEF DESCRIPTION OF DRAWINGS

[0030] The embodiments of the present application will be described in detail below with reference to the drawings, so that those skilled in the art can more clearly understand the above and other features and advantages of the present application.

[0031] Figure 1 FIG. 1 is a schematic view of a water leakage early warning device according to an embodiment of the present application.

[0032] In the drawings, the reference signs are as follows:

[0033] Water leakage early warning device 100

[0034] Water pressure collector 101

[0035] Digital display 102

[0036] Remote unit 103

[0037] Signal isolator 104

[0038] Water cooling system control panel 105

[0039] First water pressure signal 200

[0040] Second water pressure signal 300 DETAILED DESCRIPTION

[0041] In order to have a clearer understanding of the technical features, objectives and effects of the present application, the specific embodiments of the present application will be described with reference to the drawings, and the same reference numerals in the drawings represent the same parts.

[0042] In this document, "schematic" means "serves as an example, instance or illustration", and any illustration, embodiment described as "schematic" in this document should not be interpreted as a more preferred or more advantageous technical solution.

[0043] In order to make the drawings simple, only the parts related to the present application are schematically shown in the drawings, which do not represent the actual structure of the product. In addition, in order to make the drawings simple and easy to understand, in some drawings, only one of the parts with the same structure or function is schematically shown, or only one of them is marked.

[0044] In this document, "one" not only means "only one", but also means "more than one". In this document, "first", "second", etc. are only used for differentiation from each other, and do not represent their importance, order and premise of existence.

[0045] The utility model discloses a kind of water leakage early warning devices 100 for magnetic resonance equipment, water leakage early warning device 100 includes water pressure collector 101, digital display table 102, remote unit 103 and remote terminal.Water pressure collector 101 is connected to the water cooling system of magnetic resonance equipment, and water pressure collector 101 is used to collect the first water pressure signal 200 of water cooling system;Digital display table 102 is electrically connected to water pressure collector 101, and receives the water pressure signal from water pressure collector 101, and digital display table 102 is configured to display the first water pressure signal 200 and resolve the first water pressure signal 200 into second water pressure signal 300;Remote unit 103 is communicatively connected to digital display table 102, and receives the second water pressure signal 300 from digital display table 102;Remote terminal is communicatively connected to remote unit 103, and receives the second water pressure signal 300 from remote unit 103.

[0046] In the embodiment, remote terminal can monitor the first water pressure signal 200 of water cooling system in real time, there is no delay, water pressure once exceeds normal range can be observed in time, so as to intervene as early as possible to take remedial measures, reduce equipment downtime.User can check water pressure state at remote terminal (such as mobile phone end) at any time and anywhere, not affected by the on / off of magnetic resonance equipment, even during long holiday equipment downtime, such as water pressure abnormal water cooling system shutdown, user can also monitor in time, reduce the loss of liquid helium in time.

[0047] Water leakage early warning device 100 further includes water cooling system control panel 105, and water cooling system control panel 105 is electrically connected to water pressure collector 101 and used to power water pressure collector 101.Water cooling system control panel 105 powers water pressure collector 101 as part of magnetic resonance system, without additionally increasing power module.

[0048] Water leakage early warning device 100 further includes signal isolator 104, and the input end of signal isolator 104 is electrically connected to water pressure collector 101, and receives the water pressure signal from water pressure collector 101;Signal isolator 104 includes first output end and second output end, and the first output end is electrically connected to water cooling system control panel 105, and transmits the first water pressure signal 200 to water cooling system control panel 105, and the second output end is electrically connected to digital display table 102, and transmits the first water pressure signal 200 to digital display table 102, and signal isolator 104 can anti-interference processing on signal data on the one hand, and the first water pressure signal 200 can be divided into two ways, one way is transmitted to water cooling system control panel 105, and one way is transmitted to digital display table 102.

[0049] Digital display table 102 includes power output port, and the power output port is electrically connected to signal isolator 104 to power signal isolator 104.Signal isolator 104 is powered by digital display table 102, without additionally setting power module.

[0050] The water leakage early warning device 100 further comprises an alarm unit electrically connected to the remote terminal, and the alarm unit is configured to send an alarm signal after receiving the control signal of the remote terminal. By setting the alarm unit, the function of 24-hour real-time monitoring of the water pressure parameter of the water cooling system is realized. After the user sets the alarm threshold on the mobile phone, the water pressure parameter will send an alarm signal once it exceeds the limit, realizing the function of real-time remote early warning. Engineers can also intervene in the first time and take appropriate remedial measures to reduce the situation of multiple components being damaged at the same time due to water leakage problems.

[0051] The digital display meter 102 is configured with an Internet of Things card, and the digital display meter 102 is communicatively connected to the remote unit 103 through the Internet of Things card. By using the Internet of Things card, it is not necessary to access the hospital network, and the network data security problem that customers are concerned about can be effectively avoided.

[0052] The remote unit 103 is a data transmission unit DTU, and an RS485 communication mode is adopted. The water pressure collector 101 is a pressure transmitter. The range of the pressure transmitter is 0.5-10Bar, and the output signal is 4mA~20mA. Specifically, the pressure transmitter of the water cooling system outputs 4mA~20mA signal data (the first water pressure signal 200), which is transmitted to the water cooling system control board 105 through the signal isolator 104 for system water pressure data processing (i.e. the original data function of the system is not affected). At the same time, the 4mA~20mA signal data is processed by the signal isolator 104 to resist interference, and the same signal data is transmitted to the digital display meter 102. The signal analog-digital conversion is performed in the digital display meter 102, and the second water pressure signal 300 is generated according to the linear relationship between the 4mA~20mA current signal output by the pressure transmitter and the pressure. After the second water pressure signal 300 is uploaded to the cloud platform through the remote module DTU, it is sent to the mobile phone of the preset contact person for display, realizing the functions of real-time monitoring and water leakage early warning of the water pressure parameter of the MR water cooling system.

[0053] The signal isolator 104 extracts the first water pressure signal 200 of the pressure transmitter without interfering with the transmission of the first water pressure signal 200 of the pressure transmitter to the water cooling system control board 105, and transmits the first water pressure signal 200 to the digital display meter 102 after anti-interference processing for analog-digital conversion and analysis.

[0054] The digital display table 102 can be applied to different range pressure transmitters according to the setting, and the output current signal 4mA~20mA of the data is converted into analog-digital signal, and then the linear relationship between the output current signal and voltage is analyzed. It has been proved by multiple data collection and measurement that the linear relationship can be expressed as: I=K x P + B. I is the output current, P is the pressure, K is the slope, that is, the sensitivity between current and voltage, and B is the intercept, which represents the output current when the pressure is zero (about 4.842mA for PAA-21Y / 22-2155-142 type pressure transmitter). The linear scale calculation formula can also be used for calculation and verification.

[0055] The embodiment also discloses a magnetic resonance device comprising the water leakage early warning device 100.

[0056] The magnetic resonance device comprises a water cooling system, and the water pressure collector 101 is electrically connected to the water cooling system and used for collecting the first water pressure signal 200 of the water cooling system.

[0057] Although the specific embodiments of the present application are described above, those skilled in the art should understand that this is only an example, and the protection scope of the present application is defined by the appended claims. Those skilled in the art can make various changes or modifications to these embodiments without departing from the principles and essence of the present application, and these changes and modifications all fall within the protection scope of the present application.

Claims

1. A water leakage early warning device for a magnetic resonance apparatus, characterized in that, The water leakage early warning device comprises: a water pressure collector connected to a water cooling system of the magnetic resonance device, the water pressure collector being configured to collect a first water pressure signal of the water cooling system; a digital display meter electrically connected to the water pressure collector and configured to receive the water pressure signal from the water pressure collector, the digital display meter being configured to display the first water pressure signal and to analyze the first water pressure signal into a second water pressure signal; a remote unit communicatively connected to the digital display meter and configured to receive the second water pressure signal from the digital display meter; a remote terminal communicatively connected to the remote unit and configured to receive the second water pressure signal from the remote unit.

2. The water leakage early warning device for a magnetic resonance apparatus according to claim 1, wherein The water leakage early warning device further comprises a water cooling system control panel electrically connected to the water pressure collector and configured to supply power to the water pressure collector.

3. The water leakage early warning device for a magnetic resonance apparatus according to claim 2, wherein The water leakage early warning device further comprises a signal isolator, an input end of the signal isolator being electrically connected to the water pressure collector and configured to receive the water pressure signal from the water pressure collector; the signal isolator comprising a first output end and a second output end, the first output end being electrically connected to the water cooling system control panel and configured to transmit the first water pressure signal to the water cooling system control panel, the second output end being electrically connected to the digital display meter and configured to transmit the first water pressure signal to the digital display meter.

4. The water leakage early warning device for a magnetic resonance apparatus according to claim 3, wherein The digital display meter comprises a power output port electrically connected to the signal isolator to supply power to the signal isolator.

5. The water leakage early warning device for a magnetic resonance apparatus as claimed in claim 1, characterized by, The water leakage early warning device further comprises an alarm unit electrically connected to the remote terminal, the alarm unit being configured to send an alarm signal upon receiving a control signal from the remote terminal.

6. The water leakage early warning device for a magnetic resonance apparatus as claimed in claim 1, characterized by, The digital display meter is communicatively connected to the remote unit through an Internet of Things card.

7. The water leakage early warning device for a magnetic resonance apparatus according to claim 1, wherein The remote unit is a data transmission unit (DTU).

8. The water leakage early warning device for a magnetic resonance apparatus according to any one of claims 1 to 7, characterized by, The water pressure collector is a pressure transmitter.

9. A magnetic resonance apparatus, characterized by The magnetic resonance device comprises the water leakage early warning device according to any one of claims 1-8.

10. The magnetic resonance apparatus of claim 9, characterized by The magnetic resonance device comprises a water cooling system, the water pressure collector being electrically connected to the water cooling system and configured to collect a first water pressure signal of the water cooling system. The magnetic resonance device comprises a water cooling system, the water pressure collector being electrically connected to the water cooling system and configured to collect a first water pressure signal of the water cooling system.

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