CN108711939B - PET-CT power distribution system and method - Google Patents
PET-CT power distribution system and method Download PDFInfo
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Abstract
The invention is suitable for the field of electronic circuits, and provides a PET-CT power distribution system and a method, wherein the system comprises a server and a console, a power cabinet and a power forwarding branch which are sequentially in communication connection; the power supply transfer branch comprises a switch unit and power supply conversion units, wherein the input end of each power supply conversion unit is connected with an external power supply through the switch unit, and after the external power supply is subjected to alternating current-direct current and/or voltage conversion, the output end of each power supply conversion unit is connected with the power supply end of the corresponding module; the power supply cabinet comprises a power distribution state button and a power distribution control panel which are in communication connection, and the power distribution control panel is also in communication connection with the server, the console and each switch unit; the power distribution control panel receives a power distribution state button or a control instruction sent by the server and the console, and controls the on-off of each power supply transmission branch circuit through the control switch unit. Aiming at the complex power utilization condition of the PET-CT, different power transfer branches are arranged to carry out modularized power supply corresponding to each module of the PET-CT power distribution system, so that the normal operation of the whole PET-CT system in various modes is ensured.
Description
Technical Field
The invention belongs to the field of electronic circuits, and particularly relates to a PET-CT power distribution system and a method.
Background
Positron Emission Tomography (PET) is one of the most sophisticated molecular imaging devices at present, and has unique advantages and great potential in the research and diagnosis of serious health hazards such as malignant tumors, nervous system diseases, cardiovascular system diseases and the like. The PET/CT fusion multi-mode imaging device simultaneously provides functional images and anatomical images, and is the forefront field of the medical imaging field. The PET-CT system comprises various electric equipment with different power supply voltages.
The Chinese utility model patent named "low voltage power supply unit for PET/CT (authorized publication number CN 203195704U)" discloses a low voltage power supply unit for PET/CT, only supplies power for the low voltage power consumption equipment in PET/CT, still includes a plurality of power supply boxes and control panel simultaneously, and the structure is complicated and can not unified supervisory control.
Disclosure of Invention
It is an object of embodiments of the present invention to provide a PET-CT power distribution system and method that overcomes at least some of the disadvantages of the prior art.
The embodiment of the invention relates to a PET-CT power distribution system, which comprises a server, a console, a power cabinet and a power forwarding branch circuit, wherein the server and the console are sequentially in communication connection;
the number of the power forwarding branches is at least one, and the power forwarding branches correspondingly supply power to each module of the PET-CT system; each power transfer branch comprises a switch unit and a power conversion unit, wherein the input end of each power conversion unit is connected with an external power supply through the switch unit, and after the external power supply is subjected to alternating current-direct current and/or voltage conversion, the output end of each power conversion unit is connected with the power supply end of the corresponding module;
the power supply cabinet comprises a power distribution state button and a power distribution control panel which are in communication connection, and the power distribution control panel is also in communication connection with the server, the console and each switch unit; the power distribution control panel receives a power distribution state button or a control instruction sent by the server and the console, and controls the on-off of each power supply transmission branch by controlling the switch unit;
and the server and the console receive control instructions of operators and control the power distribution of each module by controlling the power distribution control panel.
In the PET-CT power distribution system related to the first embodiment, an operator operates the power distribution state button of the power distribution cabinet and/or the server and the console to send a control instruction to the power distribution control panel, and the server and the console are automatically triggered to send the control instruction to the power distribution control panel according to a built-in rule; the built-in rule indicates whether the current of each module in the use state is within a set normal range;
preferably, when the operator passes through a power distribution state button of the power distribution cabinet or the server and the console, the power distribution cabinet preferentially responds to an operation command of the operator, and the on-off of each power forwarding branch is controlled according to the command of the operator.
The PET-CT power distribution system comprises a power distribution state of the PET-CT, a power distribution state of the PET-CT and a power distribution state of the PET-CT, wherein the power distribution state of the PET-CT comprises three states of power-off, power-on and standby; the power distribution state button on the power cabinet comprises a starting button, a shutdown button and a standby button.
The PET-CT power distribution system comprises a PET power transfer branch, a CT power transfer branch, a bed power transfer branch and an external power transfer branch which are arranged in parallel;
when the machine is in a starting state, the switch units of the PET power transfer branch, the CT power transfer branch, the bed power transfer branch and the peripheral power transfer branch are all in a closed state;
when in a standby state, the switch units of the peripheral power forwarding branch circuits are in a closed state, and the switch units of the PET power forwarding branch circuit, the CT power forwarding branch circuit and the bed power forwarding branch circuit are in an open state;
when the machine is in a shutdown state, the switch units of the PET power transfer branch, the CT power transfer branch, the bed power transfer branch and the peripheral power transfer branch are all in an off state.
In the PET-CT power distribution system according to the first embodiment, the control command sent by the server and the console to the power distribution control panel includes a power forwarding branch on-off control command and a power distribution state control command, and the control command sent by the power distribution state button to the power distribution control panel is a power distribution state control command;
the power forwarding branch on-off control instruction is an instruction for respectively controlling the on-off state of each power forwarding branch;
the power distribution state control instruction is an instruction for enabling the PET-CT system to enter different power distribution states.
The PET-CT power distribution system comprises a PET-CT device, wherein the peripheral equipment of the PET-CT system comprises one or more of a display screen, a lamp strip, a laser lamp, a cooling fan and a PET-CT status indicator lamp which are arranged on the PET-CT device;
preferably, the status indicator lights include a power-on indicator light, a standby indicator light and a power-off indicator light, indicating that the PET-CT is in different power distribution states.
The power forwarding branch circuit of the PET-CT power distribution system further comprises current detection units, the number of the current detection units corresponds to the number of modules of the PET-CT system, one end of each current detection unit is connected to the corresponding PET-CT system module, the other end of each current detection unit is in communication connection with the power distribution control board, the current detection units monitor the power consumption of the corresponding modules in real time, and the power distribution control board controls the switching of the corresponding power forwarding branch circuit according to the feedback information of the current detection units and feeds the power forwarding branch circuit back to the server and the console.
The system further comprises a main gate and a circuit breaker, wherein one end of the main gate is connected with the external power supply, the other end of the main gate is connected with the server, the console, the power cabinet and the power supply end of the power forwarding branch, the circuit breaker is arranged between the power supply end of the power forwarding branch and the main gate, after the main gate is closed, the server, the console and the power cabinet belong to a power-on state, and after the circuit breaker is further closed, the power supply end of each power forwarding branch is communicated with the power supply, so that the staged power-on of each part in the system is realized;
preferably, the server and the console are further provided with an emergency stop button, and the emergency stop button is in communication connection with the power distribution control panel so as to immediately control the power distribution state of the PET-CT system to enter a shutdown state according to requirements.
The embodiment of the invention also relates to a power distribution method of the PET-CT power distribution system, which comprises the following steps:
step 1, the power distribution control panel receives a power-on control instruction sent by an operator through a server and a console or a power distribution state button, so that the PET-CT power distribution state enters a power-on state;
and 3, the power distribution control panel receives a power-off or standby power distribution state control instruction sent by an operator through the server and the console or the power distribution state button in real time, so that the power distribution state of the PET-CT system correspondingly enters a power-off or standby state.
As an embodiment two, the power distribution method of a PET-CT power distribution system further includes, before step 1: closing the circuit breakers to enable the input end of each power supply conversion unit to be communicated with the external power supply, wherein the power distribution of the PET-CT system is in a standby state according to the preset;
preferably, after the step 1, when power supply abnormality occurs in the operation process after the PET-CT system is powered on, an operator enables the power distribution of the PET-CT system to enter a power-off state through the emergency button.
The PET-CT power distribution system and the method provided by the embodiment of the invention have the beneficial effects that:
according to the PET-CT power distribution system provided by the embodiment of the invention, different power transfer branches are arranged to perform modular power supply corresponding to each module of the PET-CT power distribution system aiming at the complicated power utilization condition of the PET-CT, so that the normal operation of various modes of the whole PET-CT system is ensured, the power utilization of the PET-CT system is further controlled through a two-stage control system of a server, a control console and a power cabinet, the power utilization of each module in the PET-CT system can be flexibly controlled by the server, the control console and the power cabinet end, and the operation of the whole PET-CT system is facilitated.
When the power distribution state of the PET-CT system is a starting state, each current detection unit detects the current condition of the corresponding power forwarding branch in real time and uploads the current condition to the server and the console through the power cabinet in real time, so that the server and the console can monitor information whether the current of a module of the PET-CT corresponding to the power forwarding branch is in a normal threshold range in real time, and when the module is judged to have power supply disconnection or the power exceeds a working range, the server and the console can be manually operated or the power distribution control panel controls the switch unit of the corresponding power forwarding branch to be disconnected. And the safe operation of each module of the system is ensured.
According to the PET-CT power distribution system provided by the embodiment of the invention, each power distribution state of PET-CT power distribution is reasonably set, different control authorities are respectively set at the server, the console and the power cabinet, an operator can quickly operate at the server, the console and the power cabinet end to quickly enable the PET-CT power distribution system to quickly enter the corresponding state, the operation is quick and convenient, the operator can also control the on-off of each branch at the server and the console end to realize the specific control of power supply of each module in the PET-CT system.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
FIG. 1 is a schematic structural diagram of an embodiment of a PET-CT power distribution system provided by the present invention;
FIG. 2 is a flow chart of a power distribution method of a PET-CT power distribution system according to an embodiment of the present invention;
in the figure, 1 is a server and a console, 2 is a power cabinet, 21 is a power distribution state button, 22 is a power distribution control panel, 3 is a power forwarding branch, 31 is a switch unit, 32 is a power conversion unit, 33 is a current detection unit, 4 is an external power supply, and 5 is a module of a PET-CT system.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In order to explain the technical means of the present invention, the following description will be given by way of specific examples.
The invention provides a PET-CT power distribution system, which comprises: the server and the control console 1, the power cabinet 2 and the power forwarding branch 3 are sequentially in communication connection.
The number of the power forwarding branches 3 is at least one, and the power forwarding branches correspondingly supply power to each module 5 of the PET-CT system; each power forwarding branch 3 includes a switch unit 31 and a power conversion unit 32, an input end of each power conversion unit 32 is connected with the external power source 4 through the switch unit 31, and after the external power source 4 is subjected to conversion of alternating current, direct current and/or voltage, an output end of each power conversion unit 32 is connected with a power supply end of the module 5 of the PET-CT system corresponding to the power conversion unit.
The modules 5 of the PET-CT system generally include PET equipment, CT equipment, a bed, peripherals and the like, the power consumption requirements of each module 5 are different, the power forwarding branch 3 corresponds to each module 5 of the PET-CT system, and the power conversion unit 32 performs ac/dc and/or voltage conversion on the external power supply 4 according to the power consumption requirements of the corresponding module 5 to provide a suitable power supply voltage for the corresponding module 5.
The power cabinet 2 includes a power distribution status button 21 and a power distribution control board 22 which are communicatively connected, and the power distribution control board 22 is also communicatively connected with the server and the console 1 and the respective switch units 31. The power distribution control board 22 receives a control command sent from the power distribution status button 21 or the server and the console 1, and controls the on/off of each power transmission branch 3 by controlling the switch unit 31.
The server and the console 1 are mainly used for interacting with the outside, receiving control instructions of an operator, and controlling the power distribution of each module 5 of the PET-CT system through controlling the power distribution control panel 22.
The power distribution control of each module 5 of the PET-CT system is realized through the power distribution control panel 22, the power distribution control panel 22 comprises a plurality of relays, and the working states of each relay and each state indicator lamp corresponding to different states of the PET-CT power distribution are set by an internal program, so that the starting and the ending of the power supply of each module 5 of the corresponding PET-CT system are realized. When the PET-CT power distribution system is used specifically, an operator can control the power distribution of each module 5 of the PET-CT system by operating the power distribution state control button and sending a control instruction to the power distribution control panel 22 by the server and the console 1, the server and the console 1 can also automatically trigger and control the power distribution of the PET-CT system according to an internal rule, the internal rule means that in the specific use process, each module 5 of the PET-CT system is provided with a normal current range according to experience, namely the internal rule indicates whether the current of each module 5 in the use state is in the set normal range, and when the current of any transfer branch is not in the normal range, the internal rule automatically triggers the transfer branch to be disconnected.
According to the PET-CT power distribution system provided by the embodiment of the invention, aiming at the complicated power utilization condition of PET-CT, different power transfer branches 3 are arranged to correspond to each module 5 of the PET-CT power distribution system to carry out modular 5 power supply, so that the normal operation of the whole PET-CT system in various modes is ensured, further, the power utilization of the PET-CT system is controlled through a two-stage control system of a server, a console 1 and a power cabinet 2, the power utilization of each module 5 in the PET-CT system can be flexibly controlled by the server, the console 1 and the power cabinet 2, and the operation of the whole PET-CT system is convenient.
Example one
Fig. 1 is a schematic structural diagram of an embodiment of the PET-CT power distribution system provided in the embodiment of the present invention, where the number of power forwarding branches 3 corresponds to the number of modules 5 of the PET-CT system, and fig. 1 shows a case where only one power forwarding branch 3 is included, as can be seen from fig. 1, in the embodiment of the PET-CT power distribution system provided in the present invention:
an operator can send a control instruction to the power distribution control panel 22 through operating the power distribution state button 21 of the power distribution cabinet or the server and the console 1, the server and the console 1 can also automatically trigger to send the control instruction to the power distribution control panel 22 according to the internal rules, the power distribution control panel 22 is in communication connection with the switch units 31 of the power forwarding branches 3, the on-off or the off of the switch units 31 are controlled according to the control instruction, and the on-off of the power forwarding branches 3 is controlled.
In a specific using process, when no operator operates the power distribution cabinet to send an instruction, the PET-CT power distribution system distributes power to the PET-CT system under the control of the power cabinet 2, and when a built-in rule that the current of any power forwarding branch 3 is not in a normal range and the like is triggered, the power forwarding branch 3 is automatically controlled to be disconnected in a response mode. Once an operator passes through the power distribution state button 21 of the power distribution cabinet or the server and the console 1, the power distribution cabinet preferentially responds to an operation command of the operator, and controls the on/off of each power forwarding branch 3 according to the command of the operator.
In the embodiment of the present invention, the control instruction sent by the server and the console 1 to the power distribution control panel 22 includes an on-off control instruction and a power distribution state control instruction of the power forwarding branch 3, and the control instruction sent by the power distribution state button 21 to the power distribution control panel 22 is the power distribution state control instruction. The on-off control instruction of the power forwarding branch 3 is an instruction for respectively controlling the on-off state of each power forwarding branch 3, namely the on-off state of any power forwarding branch 3 can be controlled in real time through the server and the console 1; the power distribution state control instruction is an instruction for enabling the PET-CT system to enter different power distribution states, the power distribution of each module 5 under different power distribution states, namely the on-off conditions of each power supply transfer branch 3 are different, the server and the console 1 receive operation information of an operator for configuration, namely the operator can control the PET-CT system to enter different power distribution states through the control server, the console 1 and the power distribution state buttons 21 on the power supply cabinet 2.
The on-off conditions of each power forwarding branch 3 are different under different power distribution states, each power forwarding branch 3 comprises a switch unit 31 and a power conversion unit 32, the input end of each power conversion unit 32 is connected with an external power source 4 through the switch unit 31, and after the external power source 4 is subjected to alternating current/direct current and/or voltage conversion, the output end of each power conversion unit is connected with the power supply end of the corresponding module 5 of the PET-CT system. Power is supplied to the respective modules 5 of the corresponding PET-CT system,
in the embodiment of the invention, the power forwarding branch 3 comprises a PET power forwarding branch, a CT power forwarding branch, a bed power forwarding branch and an external power forwarding branch, which are used for supplying power to PET, CT, a bed and an external device respectively, wherein the external device comprises one or more of a display screen, a lamp belt, a laser lamp and a cooling fan which are arranged on PET-CT equipment.
The operator controls the PET-CT system to enter different power distribution states through the power distribution state buttons 21 on the power cabinet 2. The power distribution state can be flexibly set according to the power consumption requirement of the PET-CT system, the type of the power distribution state provided by the invention is only a preferred embodiment of the power distribution state, and the invention is not limited thereto. Correspondingly, the power distribution state buttons 21 of the power cabinet 2 include a power-on button, a power-off button and a standby button, and after each power distribution state button 21 is pressed, the power distribution control panel 22 controls the PET-CT system to enter different power distribution states.
Correspondingly, the peripheral equipment also comprises a PET-CT status indicator lamp, and the status indicator lamp comprises a starting indicator lamp, a standby indicator lamp and a stopping indicator lamp and indicates that the PET-CT system is in different power distribution states.
In the on state, the switch units 31 of the PET power forwarding branch, the CT power forwarding branch, the bed power forwarding branch and the peripheral power forwarding branch are all in the on state, that is, each module 5 of the PET-CT system is in the power supply state. In the standby state, the switch unit 31 of the external power forwarding branch is in the closed state, and the switch units 31 of the PET power forwarding branch, the CT power forwarding branch and the bed power forwarding branch are in the open state, that is, only the external devices such as the display screen, the lamp strip, the laser lamp, the cooling fan and the status indicator lamp in the PET-CT system are in the power supply state. In the shutdown state, the switch units 31 of the PET power forwarding branch, the CT power forwarding branch, the bed power forwarding branch and the peripheral power forwarding branch are all in the off state, that is, each module 5 of the PET-CT system is not powered.
Preferably, the power forwarding branch 3 further comprises a current detection unit 33 respectively connected to each module 5 of the PET-CT system, the current detection unit 33 is in communication connection with the power distribution control panel 22, the power consumption condition of the corresponding module 5 is monitored in real time, the power cabinet 2 uploads the power to the server and the console 1, and when the power consumption current of any module 5 is not within a preset threshold range, the power forwarding branch 3 is disconnected correspondingly and alarm information is displayed on the server and the console 1.
The current detection unit 33 monitors the power utilization condition of the module 5 corresponding to the PET-CT system in real time, the power utilization condition is uploaded to the server and the console 1 and stored, and the current of each module 5 of the PET-CT system is within a preset threshold range during normal use according to the actual condition, when any current detection unit 33 monitors that the power utilization current of the corresponding module 5 is not within the preset threshold range, it indicates that the module 5 generates a power utilization abnormal condition, at this time, the power distribution control board 22 controls the disconnection of the corresponding switch unit 31 according to the built-in rule or under the control of an operator to realize the power supply disconnection of the module 5, and displays and alarms the abnormal condition information on the server and the console 1.
When the power distribution state of the PET-CT system is on, each current detection unit 33 detects the current condition of the corresponding power forwarding branch 3 in real time, and uploads the current condition to the server and the console 1 through the power cabinet 2 in real time, so that the server and the console 1 can monitor the information whether the current of the PET-CT module 5 corresponding to the power forwarding branch 3 is within the normal threshold range in real time, and when the module 5 is judged to have power supply disconnection or the power exceeds the working range, the switching unit 31 of the corresponding power forwarding branch 3 can be controlled to be disconnected through the power distribution control board 22 by manually operating the server and the console 1 or setting. And the safe operation of each module 5 of the system is ensured.
Preferably, the PET-CT power distribution system provided by the invention further comprises a main gate and a circuit breaker, wherein one end of the main gate is connected with an external power source 4, the other end of the main gate is connected with a server, a console 1, a power cabinet 2 and a power supply end of a power transfer branch 3, the circuit breaker is arranged between the power supply end of the power transfer branch 3 and the main gate, in the specific power distribution process, after the gate is pushed, the server, the console 1 and the power cabinet 2 belong to a power-on state, each power transfer branch 3 is in a controlled state, after the circuit breaker is further closed, the power supply end of each power transfer branch 3 is communicated with a power supply, the power distribution of the PET-CT system is realized under the control of the server, the console 1 and the power cabinet 2, and the power distribution of each part in the power distribution system is realized by stages.
Preferably, the server and the console 1 are further provided with an emergency stop button, the emergency stop button is in communication connection with the power distribution control panel 22, when monitoring that the power distribution of the PET-CT system fails, an operator can press the emergency stop button, and the power distribution control panel 22 is used for realizing the open circuit of each power forwarding branch 3, so that the power distribution state of the PET-CT system enters a shutdown state.
Example two
The second embodiment of the invention is an embodiment of a PET-CT power distribution method provided by the invention, the embodiment is implemented based on the PET-CT power distribution system, as shown in fig. 2, which is a flowchart of an embodiment of the PET-CT power distribution method provided by the embodiment of the invention, and as can be seen from fig. 2, the embodiment of the PET-CT power distribution method provided by the invention includes:
step 1, the power distribution control panel 22 receives a power-on control instruction sent by an operator through the server and the console 1 or the power distribution state button 21, so that the PET-CT power distribution state enters a power-on state.
And 2, the server and the console 1 receive the power utilization condition sent by each power transmission branch 3 through the power cabinet 2 in real time, and the power distribution control panel 22 receives the power transmission branch 3 on-off control instruction sent by an operator through the server and the console 1 in real time to control the on/off of the switch unit 31 of each power transmission branch 3.
And 3, the power distribution control panel 22 receives a power distribution state control instruction of shutdown or standby sent by an operator through the server and the console 1 or the power distribution state button 21 in real time, so that the power distribution state of the PET-CT system correspondingly enters the shutdown or standby state. When the PET-CT power distribution is in any one of the power-on, power-off or standby states, the power distribution control board 22 receives the power-on, power-off or standby instructions sent by the operator through the server and the console 1 or the power distribution state button 21 in real time, and enters any other two states.
Preferably, the PET-CT power distribution method provided by the present invention further includes, before step 1: and closing the main brake and the circuit breaker to electrify the server, the console 1 and the power cabinet 2, communicating the input end of each power conversion unit 32 with the external power supply 4, and enabling the power distribution of the PET-CT system to be in a standby state according to the presetting.
After the step 1, when power supply abnormality occurs in the operation process after the PET-CT system is started, an operator enables the PET-CT system to be in a power distribution shutdown state through an emergency button.
It will be further understood by those skilled in the art that all or part of the steps in the method for implementing the above embodiments may be implemented by relevant hardware instructed by a program, and the program may be stored in a computer-readable storage medium, such as ROM/RAM, magnetic disk, optical disk, etc.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (9)
1. A PET-CT power distribution system is characterized by comprising a server, a console, a power cabinet and a power forwarding branch circuit which are sequentially in communication connection;
the number of the power forwarding branches is at least one, and the power forwarding branches correspondingly supply power to each module of the PET-CT system; each power transfer branch comprises a switch unit and a power conversion unit, wherein the input end of each power conversion unit is connected with an external power supply through the switch unit, and after the external power supply is subjected to alternating current-direct current and/or voltage conversion, the output end of each power conversion unit is connected with the power supply end of the corresponding module;
the power supply cabinet comprises a power distribution state button and a power distribution control panel which are in communication connection, and the power distribution control panel is also in communication connection with the server, the console and each switch unit; the power distribution control panel receives a power distribution state button or a control instruction sent by the server and the console, and controls the on-off of each power supply transmission branch by controlling the switch unit;
the server and the console receive control instructions of operators, the power distribution of each module is controlled by controlling the power distribution control panel,
the power forwarding branch circuit further comprises current detection units, the number of the current detection units corresponds to the arrangement of each module of the PET-CT system, one end of each current detection unit is connected into the corresponding module of the PET-CT system, the other end of each current detection unit is in communication connection with the power distribution control panel, the current detection units monitor the current conditions of the corresponding modules in real time and upload the current conditions to the server and the control console through the power cabinet, and the server and the control console are controlled to correspondingly open and close the power forwarding branch circuit by controlling the power distribution control panel according to the current conditions uploaded by the current detection units under the control of an operator.
2. The system of claim 1, wherein an operator sends control instructions to a power distribution panel by operating the power distribution status buttons and/or the server and console, the server and console further automatically triggering sending of control instructions to the power distribution panel according to established rules; the built-in rule indicates whether the current of each module in the use state is within a set normal range;
when the operator passes through a power distribution state button of the power distribution cabinet or the server and the console, the power distribution cabinet preferentially responds to an operation command of the operator, and the on-off of each power forwarding branch is controlled according to the command of the operator.
3. The system of claim 2, wherein the power distribution state of the PET-CT includes three states of power-off, power-on and standby; the power distribution state button on the power cabinet comprises a starting button, a shutdown button and a standby button.
4. The system of claim 3, wherein said power forwarding branches comprise a PET power forwarding branch, a CT power forwarding branch, a bed power forwarding branch, and a peripheral power forwarding branch arranged in parallel;
when the machine is in a starting state, the switch units of the PET power transfer branch, the CT power transfer branch, the bed power transfer branch and the peripheral power transfer branch are all in a closed state;
when in a standby state, the switch units of the peripheral power forwarding branch circuits are in a closed state, and the switch units of the PET power forwarding branch circuit, the CT power forwarding branch circuit and the bed power forwarding branch circuit are in an open state;
when the machine is in a shutdown state, the switch units of the PET power transfer branch, the CT power transfer branch, the bed power transfer branch and the peripheral power transfer branch are all in an off state.
5. The system according to any one of claims 2-4, wherein the control commands sent by the server and console to the power distribution control panel include power forwarding branch on-off control commands and power distribution state control commands, and the control commands sent by the power distribution state button to the power distribution control panel are power distribution state control commands;
the power forwarding branch on-off control instruction is an instruction for respectively controlling the on-off state of each power forwarding branch;
the power distribution state control instruction is an instruction for enabling the PET-CT system to enter different power distribution states.
6. The system of claim 4, wherein the peripherals of the PET-CT system include one or more of a display screen, a light strip, a laser light, a heat dissipation fan, and a PET-CT status indicator light disposed on the PET-CT device;
the state indicator lamps comprise a starting indicator lamp, a standby indicator lamp and a stopping indicator lamp and indicate that the PET-CT is in different power distribution states.
7. The system of claim 1, further comprising a main gate and a circuit breaker, wherein one end of the main gate is connected to the external power source, the other end of the main gate is connected to the server and the console, the power cabinet and the power supply end of the power forwarding branch, the circuit breaker is arranged between the power supply end of the power forwarding branch and the main gate, after the main gate is closed, the server and the console and the power cabinet are powered on, and after the circuit breaker is further closed, the power supply end of each power forwarding branch is communicated with the power source, so that the staged power-on of each part in the system is realized;
and the server and the console are also provided with an emergency stop button, and the emergency stop button is in communication connection with the power distribution control panel so as to immediately control the power distribution state of the PET-CT system to enter a shutdown state according to requirements.
8. A method of power distribution for a PET-CT power distribution system according to any of the claims 1 to 7, characterized in that the method comprises:
step 1, the power distribution control panel receives a power-on control instruction sent by an operator through a server and a console or a power distribution state button, so that the PET-CT power distribution state enters a power-on state;
step 2, the server and the console receive the power consumption condition sent by each power transmission branch through the power cabinet in real time, and the power distribution control panel receives the power transmission branch on-off control instruction sent by an operator through the server and the console in real time and controls the on/off of the switch unit of each power transmission branch in real time;
and 3, the power distribution control panel receives a power-off or standby power distribution state control instruction sent by an operator through the server and the console or the power distribution state button in real time, so that the power distribution state of the PET-CT system correspondingly enters a power-off or standby state.
9. The power distribution method of claim 8, wherein step 1 is preceded by the further step of: closing a main brake and a breaker to enable the input end of each power supply conversion unit to be communicated with the external power supply, wherein the power distribution of the PET-CT system is in a standby state according to the presetting;
when the power supply of the PET-CT system is abnormal in the running process after the PET-CT system is started, an operator enables the power distribution of the PET-CT system to enter a shutdown state through an emergency button.
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| CN103796584A (en) * | 2012-09-10 | 2014-05-14 | 株式会社东芝 | Image diagnostic device and power control method for the image diagnostic device |
| CN203720609U (en) * | 2013-11-20 | 2014-07-16 | 侯军 | Electrical safety monitoring system for medical equipment based on Internet of Things |
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| CN203195704U (en) * | 2012-12-12 | 2013-09-18 | 上海联影医疗科技有限公司 | Low-voltage power supply unit for PET (positron emission tomography)/CT (computed tomography) machine |
| CN104753023B (en) * | 2013-12-31 | 2018-01-16 | 西门子公司 | A kind of Aftercurrent protecting equipment |
| US9891299B1 (en) * | 2014-05-19 | 2018-02-13 | General Electric Company | Methods and systems for correcting B0 field in MRI imaging using shim coils |
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| CN103796584A (en) * | 2012-09-10 | 2014-05-14 | 株式会社东芝 | Image diagnostic device and power control method for the image diagnostic device |
| CN203720609U (en) * | 2013-11-20 | 2014-07-16 | 侯军 | Electrical safety monitoring system for medical equipment based on Internet of Things |
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