CN218165360U - Injection pump control system and injection pump - Google Patents
Injection pump control system and injection pump Download PDFInfo
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- CN218165360U CN218165360U CN202120365735.XU CN202120365735U CN218165360U CN 218165360 U CN218165360 U CN 218165360U CN 202120365735 U CN202120365735 U CN 202120365735U CN 218165360 U CN218165360 U CN 218165360U
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Abstract
A syringe pump control system and a syringe pump, wherein the syringe pump control system comprises: the monitoring controller, the main control unit, the detecting element, interim power, including a motor, an alarm unit and a touch screen, the main control unit is connected to the monitoring controller, interim power, motor and alarm unit, the detecting element is still connected to the main control unit, motor, interim power and alarm unit, interim power still connects alarm unit, the monitoring controller is used for when unusual with the main control unit communication, the system power supply is cut off, interim power triggers the power supply for alarm unit simultaneously, the alarm unit is reported to the police in monitoring controller control, this system and syringe pump can reduce the main control unit and break down the back to the fault handling ability's of syringe pump influence, the security of operation improves.
Description
Technical Field
The embodiment of the application relates to the technical field of electronics, in particular to an injection pump control system and an injection pump.
Background
The radio frequency ablation technology is to precisely deliver radio frequency energy to a target area under image guidance to ablate an object to be ablated. During the ablation process, the injection pump can be matched with the ablation instrument to carry out saline water perfusion on the ablation part.
In the prior art, if a controller of the injection pump breaks down, a control system of the injection pump cannot continue to the injection pump, and only after the controller finds that the controller can carry out manual treatment, the efficiency is low, the injection pump is easy to further damage, and the safety problem is easy to cause.
SUMMERY OF THE UTILITY MODEL
The embodiment of the application provides a control system of injection pump and injection pump, and the accessible sets up a supervisory control ware for main control unit in addition for when main control unit breaks down, continue to control the injection pump, thereby improve fault handling efficiency, avoid the injection pump to deepen the damage degree, and improve the security.
An aspect of an embodiment of the present application provides an injection pump control system, including:
the device comprises a monitoring controller, a main controller, a detection unit, a temporary power supply, a motor, an alarm unit and a touch screen; the monitoring controller is connected with the main controller, the motor and the alarm unit, the main controller is connected with the detection unit, the temporary power supply, the motor, the alarm unit and the touch screen, and the alarm unit is connected with the temporary power supply; the monitoring controller is used for cutting off the current power supply of the system when the communication with the main controller is abnormal, and the temporary power supply is triggered to be started to supply power to the alarm unit; the monitoring controller controls the alarm unit to alarm; the main controller is used for detecting a control instruction input on the touch screen, controlling the detection unit to execute detection operation and controlling the motor to push the injector of the injection pump to execute injection.
Furthermore, the alarm unit comprises a light alarm unit and a sound alarm unit; the light alarm unit and the sound alarm unit are connected with the main controller, the monitoring controller and the temporary power supply.
Further, the detection unit includes a pressure detection sensor and an injection position detection device; the main controller is respectively connected with the pressure detection sensor and the injection position detection device, controls the pressure detection sensor to detect the pressure value of the motor unit to the push handle of the injector, and controls the injection position monitoring device to detect the position of the push handle of the injector.
Further, the motor is a stepping motor, and the pressure detection sensor is arranged in the push handle; the push handle is in driving connection with the stepping motor, the pressure detection sensor detects a pressure value generated by the stepping motor after the stepping motor is started, and the main controller correspondingly controls the working frequency of the stepping motor according to the pressure value detected by the pressure detection sensor.
Furthermore, the main controller is further used for acquiring setting information input by the touch screen, wherein the setting information comprises injector specification information, injection flow rate information and stepping motor rotating speed information.
Further, when the communication between the main controller and the monitoring controller is abnormal, the monitoring controller controls the stepping motor to stop working.
Further, the system also comprises a communication interface which is connected with the main controller.
Further, the system also comprises a switch key; the monitoring controller is connected with the switch key, and when the switch key is pressed down, the monitoring controller starts the system power supply to supply power.
Furthermore, the system also comprises a working state indicator light, and the working state indicator light is connected with the main controller and used for displaying the working state of the system.
An aspect of the embodiment of the present application further provides a syringe pump, which includes a housing having an operation panel and a syringe pump control system as described above disposed in the housing.
Known from above-mentioned each embodiment of this application, through set up double control ware at injection pump control system, wherein the monitoring control ware is used for through the communication signal with main control ware, whether the monitoring main control ware breaks down, if break down then cut off the power supply of current system, stop the power supply to the injection pump, the temporary power supply is triggered and is started for the alarm unit power supply, the alarm unit of simultaneous control reports to the police, prevent that the control system of single controller from because of the trouble of controller, cause the unable reply of whole control pump system, thereby can not in time report to the police and cause the possibility of the further harm of injection pump system, realize in time cutting off the power supply and reporting to the police after main control ware breaks down, improve the efficiency of reply trouble, and improve the security of injection pump operation.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a view of an application scenario of an injection pump control system provided in an embodiment of the present application;
FIG. 2 is a schematic diagram of a syringe pump control system according to an embodiment of the present application;
FIG. 3 is a schematic view of a syringe pump control system according to another embodiment of the present application;
FIG. 4 is a front view of a syringe pump according to an embodiment of the present disclosure;
FIG. 5 is a cross-sectional view of a syringe pump according to an embodiment of the present disclosure;
fig. 6 is a schematic circuit connection structure diagram of a partial module of an injection pump according to an embodiment of the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1, fig. 1 is a schematic view of an application scenario of an injection pump control system according to an embodiment of the present application. The injection pump 10 is connected with the radio frequency host 20, and is matched with the radio frequency host 20 to inject specified liquid into the radio frequency operation object 30 so as to complete radio frequency operation. A syringe pump control system 40 is located in the syringe pump 10 for controlling the operation of the syringe pump 10, the syringe pump control system 40 including a supervisory controller 41 and a main controller 42, both of which are MCU (micro controller Unit) connected together. The specific model of the monitoring controller 41 may be STM32, and the specific model of the main controller 42 may be STM32F407ZGT6.
Referring to fig. 2, fig. 2 is a schematic structural diagram of an injection pump control system according to an embodiment of the present application. The injection pump control system includes: the monitoring controller 41, the main controller 42, the detection unit 43, the temporary power supply 44, the motor 45, the alarm unit 46 and the touch screen 47;
wherein, the monitoring controller 41 is connected with the main controller 42, the motor 45 and the alarm unit 46; the main controller 42 is also connected with a detection unit 43, a temporary power supply 44, a motor 45, an alarm unit 46 and a touch screen 47; the alarm unit 46 is also connected to the temporary power supply 44;
further, the monitoring controller 41 and the alarm unit 46 are also respectively connected with a system power supply 48;
the monitoring controller 41 is configured to, when the communication with the main controller 42 is abnormal, specifically, when the communication abnormality is confirmed in an appointed time period, if the heartbeat signal sent by the main controller 42 is not received, the monitoring controller 41 confirms that the communication with the main controller 42 is abnormal, the main controller 42 may not continue to operate due to abnormal state, the monitoring controller 41 cuts off power supply to the system, the temporary power supply 431 is started after the system is powered off to supply power to the alarm unit 46, and the monitoring controller 41 controls the alarm unit 46 to alarm. The alarm can be the highest level alarm with the highest prompting performance, the highest level alarm comprises the maximum volume of the alarm, the highest buzzer vibration frequency, red flashing, the longest duration and the like, and the information of the alarm mode is stored in the memory of the injection pump in advance.
The main controller 42 is used for detecting a control command input on the touch screen 47, controlling the detection unit 43 to perform a detection operation and controlling the motor 45 to push the syringe of the syringe pump to perform an injection.
In this embodiment, through set up double control ware at injection pump control system, wherein the supervisory control ware is used for through the communication signal with main control ware, whether the supervisory control main control ware breaks down, if break down then cut off the power supply of current system, stop the power supply to the syringe pump, the temporary power supply is triggered and is started for the alarm unit power supply, the alarm unit of simultaneous control reports to the police, the control system who prevents single controller is because of the trouble of controller, cause the unable reply of whole control pump system, thereby the possibility of the further harm that causes the syringe pump system can not in time report to the police, realize breaking down in time and reporting to the police after main control ware breaks down, improve the efficiency of reply trouble, and improve the security of injection pump operation.
Further, referring to fig. 3, fig. 3 is a schematic structural diagram of an injection pump control system according to another embodiment.
Further, the detection unit 43 includes a pressure detection sensor 431 and an injection position detection device 432; the main controller 42 is respectively connected with a pressure detection sensor 431 and an injection position detection device 432, controls the pressure detection sensor 431 to detect the pressure value of the motor 45 to the push handle of the injector, and controls the injection position monitoring device 432 to detect the position of the push handle of the injector. The motor 45 may specifically comprise a stepper motor.
Specifically, referring to the structure of the syringe pump shown in fig. 4 and 5, a pressure detection sensor 431 is disposed in a push handle 51 of the syringe 50, the main controller 42 is connected to the pushing device stepping motor 45 and the pressure detection sensor 431, the stepping motor 45 is connected to the push handle 51, and when receiving an injection signal from the main controller 42, the push handle 51 of the syringe 50 is pushed, the push handle 51 pushes a push rod 52 of the syringe 50, and the push rod 52 pushes the liquid in the syringe 50 for injection. The pressure detection sensor 431 detects the pressure formed by the driving force of the stepping motor 45 on the push handle 51, and the main controller 42 judges whether to increase or decrease the output power of the stepping motor 45 according to the pressure value of the pressure detected by the pressure detection sensor 431 in combination with the current injection task, and correspondingly increases or decreases the thrust on the push handle 51, so that the injection amount of injection is accelerated or reduced, and the accurate regulation and control of the injection process is achieved.
The injection position detecting device 432 includes a light blocking sheet 53 and a plurality of optical couplers 54, the light blocking sheet 53 is fixed on the screw nut 55 and is in driving connection with the stepping motor 45, that is, is connected with the output shaft of the stepping motor 45, after the stepping motor 45 is started, the output shaft rotates to drive the screw nut 55 to rotate and advance on the screw 56, and the light blocking sheet 53 and the screw nut 55 synchronously move linearly in the axial direction of the output shaft of the stepping motor 45. The injection pump further comprises a guide shaft 57 and a linear bearing 58, the guide shaft 57 penetrates through the linear bearing 58 to be rotatably supported therein, the push handle 51 is in driving connection with the stepping motor 45 through the guide shaft 57, the push handle 51 of the injector 50 is also pushed under the driving of the stepping motor 45, namely, the light blocking piece 53 and the push handle 51 synchronously move, the main controller 42 judges the moving position of the push handle 51 according to the optical coupler 54 shielded by the light blocking piece 53, specifically, when the stepping motor 45 pushes the push handle 51 to inject, the light blocking piece 53 synchronously moves with the output shaft of the stepping motor 45 and the push handle 51, the optical couplers 54 are arranged at different positions, and after the size specification of the injector 50 is determined, the corresponding relation between the position where the optical coupler 54 is arranged and the injection position of the injector 50 is also determined. The light blocking sheet 53 blocks the optocoupler 54 at different positions, the main controller 42 records blocking events, and the injection amount or the injection flow rate during blocking can be calculated according to a preset algorithm and a corresponding relation between the blocked optocoupler 54 and the injection amount or the injection flow rate of the injector 50. The dimensional specifications of the syringe 50 may be set by the user from the touch screen 47 of the syringe pump.
Further, the main controller 42 obtains the setting information received by the touch screen 47, where the setting information may be input by the user, and the setting information may specifically include injector specification information, injection flow rate information, and stepping motor rotation speed information. The injection flow rate information may be injection amount information. The syringe specification information indicates the size of the syringe and the volume of the injection solution; the injection flow rate information or the injection amount information represents the liquid injection amount of the injector per unit time; the rotation speed information of the stepping motor indicates information of the rotation speed and the rotation direction of the stepping motor.
Further, when the main controller 42 communicates with the monitoring controller 41 abnormally, the monitoring controller 41 controls the stepping motor 45 to stop operating.
Further, the alarm unit 46 includes a light alarm unit 461 and a sound alarm unit 462;
the light alarm unit 461 and the sound alarm unit 462 are connected with the main controller 42, the monitoring controller 41 and the temporary power supply 44;
when the communication between the main controller 42 and the monitoring controller 41 is abnormal, the monitoring controller 41 triggers the temporary power source 44 to supply power to the light alarm unit 461 and the sound alarm unit 462, and controls the light alarm unit 461 and the sound alarm unit 462 to alarm. The light alarm unit 461 is specifically an LED lamp, which alarms by the LED lamp constantly turning on or flashing, and the sound alarm unit 462 is specifically a sound/buzzer alarm.
Further, the syringe pump further includes a physical key unit 49, the physical key unit 49 including a switch key 491 and a mute switch key 492;
the monitor controller 41 is connected to a switch key 491, and when the switch key 491 is pressed, the monitor controller 41 activates the system power supply 48 to supply power.
The main controller 42 is connected to the mute switch key 492, and when the mute switch key 492 is pressed, the main controller 42 cuts off the output of the sound signal of the sound alarm unit 462.
Further, the main controller 42 is further connected to a main device interface of the syringe pump, and the main controller 42 is configured to control the input device of the syringe pump to stop responding to the input operation and enter a slave device mode when detecting that the main device interface is connected to the radio frequency host, where the input device includes a touch screen, a mouse, a keyboard, and the like, and the main device interface is connected to the radio frequency host through a main device control line.
Further, the main controller 42 is also connected to a communication interface for communication between the syringe pump and other devices, an operating status indicator light for displaying the operating status of the system, a memory, and the like, and is used for sampling the operating status data of the syringe pump system and finding out the abnormal operation of the syringe pump in time.
Referring to fig. 6, fig. 6 is a circuit connection structure diagram of a part module of the injection pump in this embodiment, which includes a monitoring controller and a main controller. Specifically, the monitoring controller is connected with a main controller, a sound alarm/buzzing alarm unit, an alarm indicator lamp (LED light), a switch key and the like; the main controller is also connected with a pressure detection sensor, an injection position detection device, a communication interface, a memory, a touch screen, an LED lamp state indication (namely a working state indicator lamp) in normal working, a key control and the like. As shown in the figure, the connection modes are labeled as general abbreviated forms in the electronic circuit and communication field, for example, RXD (receive Data) represents received Data, TXD (Transmit Data) represents transmitted Data, I/O (Input/Output) represents Input/Output, and the like, and are not described in detail.
In this embodiment, through set up the dual control ware at the syringe pump control system, wherein the supervisory control ware is used for through the communication signal with main control ware, whether the supervisory control main control ware breaks down, if break down then cut off the power supply of current system, stop the power supply to the syringe pump, interim power is triggered and is started the power supply for alarm unit, the alarm unit of simultaneous control reports to the police, prevent that the control system of single controller is because of the trouble of controller, cause the unable reply of whole control pump system, thereby can not in time report to the police and cause the possibility of the further harm of syringe pump system, realize in time cutting off the power supply and report to the police after main control ware breaks down, improve the efficiency of reply trouble, and improve the security of syringe pump operation. Because the monitoring controller is only responsible for the simple and important functions of the faults, the switching power supply and the alarm of the monitoring main controller, the possibility of the fault of the monitoring controller can be reduced, meanwhile, the main controller samples the working state data of the injection pump system, other faults in the system can be found in time, the monitoring controller is matched with the main controller, the fault tolerance of the injection pump control system is improved, and the possibility that the faults can not be dealt with in time due to the faults is reduced.
Further, the embodiment of the present application also provides a syringe pump, and the structural schematic diagram of the syringe pump is shown in fig. 4 and fig. 5, where the syringe pump includes: a housing 70 having an operating panel 71 and an injection pump control system 40 as described in the various embodiments illustrated in fig. 1-5 above disposed in the housing 70.
In the embodiment, the injection pump control system in the injection pump is provided with the double controllers, wherein the monitoring controller is used for monitoring whether the main controller breaks down or not through communication signals with the main controller, if the main controller breaks down, the power supply of the current system is cut off, the power supply of the injection pump is stopped, the temporary power supply is triggered and started to supply power for the alarm unit, meanwhile, the alarm unit is controlled to alarm, the control system of a single controller is prevented from being incapable of coping due to the faults of the controller, and therefore the possibility of further damage of the injection pump system is caused due to the failure of the whole control pump system, timely power failure and alarm are realized after the main controller breaks down, the efficiency of coping with the faults is improved, and the operation safety of the injection pump is improved. Because the monitoring controller is only responsible for the simple and important functions of the faults, the switching power supply and the alarm of the monitoring main controller, the possibility of the fault of the monitoring controller can be reduced, meanwhile, the main controller samples the working state data of the injection pump system, other faults in the system can be found in time, the monitoring controller is matched with the main controller, the fault tolerance of the injection pump control system is improved, and the possibility that the faults can not be dealt with in time due to the faults is reduced.
In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
Above is to the description of the injection pump control system and injection pump that the utility model provides, to the technical staff in the field, according to the utility model discloses the thought of embodiment all has the change part on concrete implementation and range of application, to sum up, this description content should not be understood as the restriction of the utility model.
Claims (10)
1. An injection pump control system, comprising:
the device comprises a monitoring controller, a main controller, a detection unit, a temporary power supply, a motor, an alarm unit and a touch screen;
the monitoring controller is connected with the main controller, the motor and the alarm unit, the main controller is connected with the detection unit, the temporary power supply, the motor, the alarm unit and the touch screen, and the alarm unit is connected with the temporary power supply;
the monitoring controller is used for cutting off the current power supply of the system when the communication with the main controller is abnormal, and the temporary power supply is triggered to be started to supply power to the alarm unit;
the monitoring controller controls the alarm unit to alarm;
the main controller is used for detecting a control command input on the touch screen, controlling the detection unit to execute detection operation and controlling the motor to push the injector of the injection pump to execute injection.
2. The system of claim 1, wherein the alarm unit comprises a light alarm unit and an audible alarm unit;
the light alarm unit and the sound alarm unit are connected with the main controller, the monitoring controller and the temporary power supply.
3. The system according to claim 1 or 2, wherein the detection unit comprises a pressure detection sensor and an injection position detection device;
the main controller is respectively connected with the pressure detection sensor and the injection position detection device, controls the pressure detection sensor to detect the pressure value of the push handle of the injector by the motor, and detects the position of the push handle of the injector by the injection position monitoring device.
4. The system of claim 3, wherein the motor is a stepper motor, and the pressure detection sensor is disposed in the push handle;
the push handle is in driving connection with the stepping motor, the pressure detection sensor detects a pressure value generated by the stepping motor to the push handle after being started, and the main controller correspondingly controls the working frequency of the stepping motor according to the pressure value detected by the pressure detection sensor.
5. The system of claim 4, wherein the main controller is further configured to obtain setting information input by the touch screen, and the setting information includes injector specification information, injection flow rate information, and stepping motor rotation speed information.
6. The system of claim 5, wherein the supervisory controller controls the stepper motor to stop operating when the master controller communicates with the supervisory controller abnormally.
7. The system of claim 6, further comprising a communication interface, the communication interface coupled to the master controller.
8. The system of claim 7, further comprising a switch button;
the monitoring controller is connected with the switch key, and when the switch key is pressed down, the monitoring controller starts a system power supply to supply power.
9. The system of claim 8, further comprising an operating status indicator light coupled to the master controller for displaying an operating status of the system.
10. A syringe pump, comprising: a housing having an operating panel and the injection pump control system of any of claims 1-9 disposed in the housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120365735.XU CN218165360U (en) | 2021-02-09 | 2021-02-09 | Injection pump control system and injection pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120365735.XU CN218165360U (en) | 2021-02-09 | 2021-02-09 | Injection pump control system and injection pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218165360U true CN218165360U (en) | 2022-12-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120365735.XU Active CN218165360U (en) | 2021-02-09 | 2021-02-09 | Injection pump control system and injection pump |
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| Country | Link |
|---|---|
| CN (1) | CN218165360U (en) |
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2021
- 2021-02-09 CN CN202120365735.XU patent/CN218165360U/en active Active
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