An infusion pump anti-interference control system and control method

Abstract

The present application belongs to the technical field of medical devices, and particularly relates to an infusion pump anti-interference control system and a control method. The infusion pump anti-interference control system comprises a main controller and a sub-controller. In the process of executing the on-off control of the infusion pump, especially the start-up control, the main controller detects the on-off enable instruction and sends a control signal corresponding to whether the power supply branch connected to the power supply and the power input end of the infusion pump is conducted. Meanwhile, the sub-controller synchronously detects the on-off enable instruction and synchronously cooperates with the control signal sent by the main controller to lock the power supply branch. In the working process of the infusion pump, even if the main controller or the sub-controller is disturbed, the sub-controller can reset the main controller or reset itself to eliminate the abnormality caused by the disturbance, thereby improving the anti-interference ability of the infusion pump control system and ultimately improving the overall reliability of the infusion pump.

Description

TECHNICAL FIELD

[0001] The present application is suitable for the technical field of medical devices, and in particular relates to an infusion pump anti-interference control system and a control method. BACKGROUND

[0002] An infusion pump is an intelligent infusion device that uses mechanical driving force to accurately control the number of infusion drops or the flow rate of infusion, ensuring that the dose is accurately and safely delivered into the patient's body.

[0003] Due to the small space of the infusion pump, the components inside are dense, the circuit board card is relatively dispersed, and the electromagnetic compatibility requirement of the infusion pump is high during registration, which brings difficulty to the EMS test of the infusion pump. Among them, the MCU is unstable in the EMS test and subsequent use process, which is due to the large number of MCU system resources, high main frequency, and large disturbance probability, especially the power supply system. Once disturbed, the MCU reset shutdown will affect the normal use of the device, delay the treatment of the patient, and cause unacceptable risks.

[0004] That is, the current infusion pump has the problems of low anti-interference ability and low reliability. SUMMARY

[0005] Therefore, the embodiments of the present application provide an infusion pump anti-interference control system and a control method to solve the technical problem of low reliability of the current infusion pump due to low anti-interference ability.

[0006] In a first aspect, an infusion pump anti-interference control system is provided, which includes a main controller, a secondary controller, a power-on enable branch, a power-on detection branch, a power-on control branch, and a power supply branch.

[0007] The power supply is connected to the input end of the power-on enable branch, the light touch button is connected to the control end of the power-on enable branch, the enable output end of the power-on enable branch is connected to the detection input end of the power-on detection branch, the first detection output end of the power-on detection branch is connected to the main controller, and the second detection output end of the power-on detection branch is connected to the secondary controller.

[0008] The control output end of the main controller is connected to the first control end of the power-on control branch, the control output end of the secondary controller is connected to the second control end of the power-on control branch, the second control end is connected to the first control end, the input end of the power-on control branch is connected to the power supply, the output end of the power-on control branch is connected to the control end of the power supply branch, the input end of the power supply branch is connected to the power supply, and the output end of the power supply branch is connected to the power input end of the infusion pump.

[0009] In a second aspect, provided is an infusion pump anti-interference control method applied to the infusion pump anti-interference control system of the first aspect, and the method comprises the following steps:

[0010] When the infusion pump needs to be started, the light touch button is pressed for a first set time length, after the main controller receives the detection signal output by the first detection output end of the start / stop detection branch for the first set time length, the control output end of the main controller outputs a control signal to enable the output end of the start / stop control branch to output a control signal to enable the power supply branch; after the secondary controller receives the detection signal output by the second detection output end of the start / stop detection branch for the first set time length, the control output end of the secondary controller outputs a control signal to lock the control signal output by the control output end of the main controller.

[0011] When the infusion pump needs to be stopped, the light touch button is pressed for a second set time length greater than the first set time length, after the main controller receives the detection signal output by the first detection output end of the start / stop detection branch for the second set time length, and after the secondary controller receives the detection signal output by the second detection output end of the start / stop detection branch for the second set time length, both output a control signal opposite in potential to the control signal output by the main controller when the infusion pump is started.

[0012] Compared with the prior art, the present application has the following beneficial effects:

[0013] The infusion pump anti-interference control system comprises a main controller and a secondary controller, in the process of starting and stopping the infusion pump, especially in the process of starting the infusion pump, the main controller detects the start / stop enable instruction and outputs a control signal to enable or disable the power supply branch connected to the power supply and the power input end of the infusion pump, and the secondary controller simultaneously detects the start / stop enable instruction and simultaneously locks the control signal output by the main controller to enable or disable the power supply branch; and during the operation of the infusion pump, even if the main controller or the secondary controller is disturbed, the secondary controller can reset the main controller or reset itself to eliminate the abnormality caused by the disturbance, thereby improving the anti-interference ability of the infusion pump control system and ultimately improving the overall reliability of the infusion pump. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0015] Figure 1is a circuit structure schematic diagram of a dual MCU control system connected with a reset branch provided by an embodiment of the present application;

[0016] Figure 2 is a circuit structure schematic diagram of a power supply branch and a power-on enable branch provided by an embodiment of the present application;

[0017] Figure 3 is a circuit structure schematic diagram of a power-on detection branch and a power-on control branch provided by an embodiment of the present application;

[0018] Figure 4 is a flow chart of an anti-interference control method of an infusion pump provided by another embodiment of the present application. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments of the present application. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative efforts fall within the scope of the present application.

[0020] It should be understood that the present application can be implemented in various forms and should not be interpreted as being limited to the embodiments set forth herein. On the contrary, the embodiments are provided so that the disclosure will be thorough and complete, and will fully convey the scope of the present application to those skilled in the art. In the drawings, the sizes and relative sizes of layers and regions can be exaggerated for clarity throughout the drawings same reference numerals represent same elements.

[0021] It should be understood that when an element or layer is referred to as being "on", "adjacent", "connected to", or "coupled to" another element or layer, it can be directly on, adjacent, connected or coupled to the other element or layer, or an intervening element or layer can be present. In contrast, when an element is referred to as being "directly on", "directly adjacent", "directly connected to", or "directly coupled to" another element or layer, then there are no intervening elements or layers present. It will be understood that, although the terms first, second, third, etc. can be used herein to describe various elements, components, regions, layers and / or sections, these elements, components, regions, layers and / or sections should not be limited by these terms. These terms are only used to distinguish one element, component, region, layer or section from another element, component, region, layer or section. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the present application.

[0022] Spatially relative terms, such as "beneath", "below", "lower", "under", "above", "upper" and the like, can be used herein for ease of description to describe one element or feature's relationship to another element(s) or feature(s) as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use and / or operation in addition to the orientations depicted in the figures. For example, if a device in the figures is inverted, then a dependent element or feature that is described as "below" or "beneath" another element or feature is oriented "above" or "over" the other element or feature. Thus, the exemplary term "below" can encompass both an orientation of above and below. The device can be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

[0023] The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and / or "comprising", when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and / or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and / or groups thereof. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.

[0024] For a thorough understanding of the present application, reference should be made to the following detailed description, in conjunction with the accompanying drawings, in which:

[0025] An embodiment of the present application provides an infusion pump anti-interference control system.

[0026] The infusion pump anti-interference control system comprises a main controller, a secondary controller, a switch-on enabling branch, a switch-on detection branch, a switch-on control branch and a power supply branch as shown in the drawings. Figure 1 Figure 2 The switch-on enabling branch, the switch-on detection branch, the switch-on control branch and the power supply branch are connected to each other as shown in the drawings. Figure 3 Figure 2 The switch-on enabling branch, the switch-on detection branch, the switch-on control branch and the power supply branch are connected to each other as shown in the drawings.

[0027] The power supply is connected to the input end of the switch-on enabling branch, the touch button is connected to the control end of the switch-on enabling branch, the enabling output end of the switch-on enabling branch is connected to the detection input end of the switch-on detection branch, the first detection output end of the switch-on detection branch is connected to the main controller, and the second detection output end of the switch-on detection branch is connected to the secondary controller.

[0028] ​​The control output end of the main controller is connected with the first control end of the switch control branch, the control output end of the auxiliary controller is connected with the second control end of the switch control branch, the second control end is connected with the first control end, the input end of the switch control branch is connected with the power supply, the output end of the switch control branch is connected with the control end of the power supply branch, the input end of the power supply branch is connected with the power supply, and the output end of the power supply branch is connected with the power input end of the infusion pump.

[0029] The touch key is a kind of switch that keeps open after being pressed and is disconnected after being released or not being pressed. When the touch key is connected with the control end of the switch control branch, the conduction and disconnection of the switch control branch can be controlled by pressing and releasing the touch key, so that the main controller and the auxiliary controller can send detection signals to the main controller and the auxiliary controller when the touch key is conducted, and the main controller and the auxiliary controller can execute different controls according to the duration of the detection signal.

[0030] Specifically, when the infusion pump needs to be started, the touch key is pressed for a first set duration, the main controller receives the detection signal output by the first detection output end of the switch control branch for the first set duration, and the control output end of the main controller outputs a control signal to make the output end of the switch control branch output a control signal that can conduct the power supply branch. The auxiliary controller receives the detection signal output by the second detection output end of the switch control branch for the first set duration, and the control output end of the auxiliary controller outputs a control signal to lock the control signal output by the control output end of the main controller.

[0031] That is, when the main controller receives the detection signal transmitted by the switch control branch through the first detection output end for the first set duration, the main controller can know that the start control of the infusion pump needs to be executed at this time, and the main controller can control the switch control branch through the control output end to control the output signal of the switch control branch. Since the output of the switch control branch is connected with the control end of the power supply branch, that is, the output signal of the switch control branch controls the conduction of the power supply branch, in order to make the power supply branch conduct and successfully power on the infusion pump, the control purpose of the main controller to the output signal of the switch control branch should be to make the signal output by the switch control branch correspond to the signal or potential level type of the control end of the power supply branch when the power supply branch is conducted.

[0032] As for the sub-controller, after it receives the detection signal with the same first set time length via the second detection output end, it also knows that the start-up control of the infusion pump needs to be performed at this time, and since the function of the sub-controller is to improve the anti-interference capability of the main controller for the on-off control of the infusion pump, the control expectation of the sub-controller at this time should be that no change is made to the output state of the on-off control branch, instead, the control effect of the main controller on the output state of the on-off control branch should be strengthened, so the second control end is arranged to control and connect the first control end in the on-off control branch, and during the start-up control of the infusion pump, the control signal output by the main controller via the first control end is locked by the sub-controller via the second control end, so as to avoid that when the main controller outputs unstable control signal due to interference, the start-up power-on of the infusion pump is affected.

[0033] When the infusion pump needs to be powered off, the light touch button is pressed for a second set time length which is greater than the first set time length, and after the main controller receives the detection signal with the second set time length continuously output by the first detection output end of the on-off detection branch and the sub-controller receives the detection signal with the second set time length continuously output by the second detection output end of the on-off detection branch, both output control signals with the opposite potential level to the control signal output by themselves when the infusion pump is powered on.

[0034] The power-off control is also performed by the main controller, and the control signal of the main controller is locked by the sub-controller, since the power-on and power-off control processes are completely opposite and the power-on process has been described in detail above, the power-off process will not be described in detail here, and it is only emphasized that the second set time length for the power-off control is set to be greater than the first set time length for the power-on control, which is also to improve the working reliability of the infusion pump, to prevent the infusion pump from being powered off by mistake when the operator performs the power-on operation of the infusion pump after the infusion pump has started to work.

[0035] The anti-interference control system of the infusion pump in this embodiment can significantly improve the stability or anti-interference capability of the power-on and power-off control signals of the infusion pump, thereby improving the reliability of the infusion pump.

[0036] In an embodiment, as shown in FIG. 1, the anti-interference control system of the infusion pump further comprises a reset branch, a reset control end of the sub-controller is connected to a control end of the reset branch, an output end of the reset branch is connected to a reset receiving end of the sub-controller, and a pulse signal output end of the main controller is connected to a pulse signal receiving end of the sub-controller. Figure 1 Through the additionally arranged reset branch, the anti-interference capability of the infusion pump can also be improved when the infusion pump is powered on and starts to work, i.e., in the normal working state.

[0037] Through the additionally arranged reset branch, the anti-interference capability of the infusion pump can also be improved when the infusion pump is powered on and starts to work, i.e., in the normal working state.

[0038] Specifically, after the infusion pump is powered on, the sub-controller continuously receives the pulse signal sent by the main controller, and when the pulse signal changes, the reset control end of the sub-controller outputs a control signal with a third set time length that can change the potential of the output end of the reset branch, so as to reset the main controller.

[0039] Since the reset control is a transient control process, the third set time length should not be too large, and in the embodiment, the third set time length is preferably 0.1 seconds.

[0040] The change of the pulse signal sent by the main controller to the sub-controller can indicate that when the infusion pump is working normally, the main controller is interfered and abnormal, so that the pulse signal changes. At this time, the sub-controller can recognize the abnormality of the main controller through the change of the received pulse signal, and then control the main controller to reset and eliminate the abnormality through the reset branch, so as to improve the working reliability of the infusion pump.

[0041] In an embodiment, as shown in the upper part of FIG. 1, Figure 1 The reset branch can specifically include a reset switch Q2, the input end of the reset switch, that is, pin 2, is grounded, the output end of the reset branch is connected to the output end of the reset switch, that is, pin 3, and the control end of the reset branch is connected to the control end of the reset switch, that is, pin 1.

[0042] In addition, the control end of the reset branch is specifically connected to the reset control end of the sub-controller, that is, MCU1 RESET-MCU2, and the output end of the reset branch is specifically connected to the reset receiving end of the main controller, that is, MCU2 RST.

[0043] In an embodiment, as shown in the upper part of FIG. 1, Figure 2 The switch-on enabling branch includes an enabling switch Q5, the input end of the enabling switch, that is, pin 2, is connected to the input end of the switch-on enabling branch, the output end of the enabling switch, that is, pin 3, is connected to the enabling output end of the switch-on enabling branch, that is, DVCC-BAT-12V-MIX, and the control end of the enabling switch, that is, pin 1, is connected to the control end of the switch-on enabling branch.

[0044] Therefore, by pressing the light touch switch S1 for different lengths of time, the enabling switch Q5 can be turned on for a first set time length or a second set time length, and in the embodiment, the first set time length is preferably 3 seconds and the second set time length is preferably 5 seconds, so that when the enabling switch Q5 is turned on, the power supply connected to the input end of the switch-on enabling branch can output enabling signals with different continuous time lengths at the enabling output end of the switch-on enabling branch, that is, DVCC-BAT-12V-MIX.

[0045] In one embodiment, such as Figure 3 As shown in the lower part, the power-on / off detection branch includes a detection switch Q4. The power supply is connected to the input terminal of the detection switch Q4, i.e., pin 3, the first detection output terminal of the power-on / off detection branch, i.e., the MCU1 ONOFF-CHECK terminal, and the second detection output terminal of the power-on / off detection branch, i.e., the MCU2 ONOFF-CHECK terminal. The output terminal of the detection switch Q4, i.e., pin 2, is grounded. The detection input terminal of the power-on / off detection branch is connected to the control terminal of the detection switch Q4, i.e., pin 1.

[0046] Although Figure 3 As shown in the lower section, the power supply input to the power-on / off detection branch is 3.3V. However, the power supply described in this embodiment is the same as that described in the above embodiments, but it may also be different. Figure 3 The lower part shows the 3.3V power supply.

[0047] In one embodiment, such as Figure 3 As shown in the upper part, the power on / off control branch includes a first control switch Q1 and a second control switch Q3;

[0048] The power supply is connected to the input terminal (pin 3) of the first control switch Q1 and the input terminal (pin 3) of the second control switch Q3. The output terminals (pin 2) of the first control switch Q1 and the second control switch Q3 are both grounded. The input terminal (pin 3) of the second control switch Q3 is connected to the control terminal (pin 1) of the first control switch Q1. The first control terminal (MCU1 ONOFF-CTL terminal) of the power-on / off control branch is connected to the control terminal (pin 1) of the first control switch Q1. The second control terminal (MCU2 ONOFF-CTL terminal) of the power-on / off control branch is connected to the control terminal (pin 1) of the second control switch Q3. The input terminal of the first control switch Q1 is connected to the output terminal (TTL3.3V-ONOFF-OUT terminal) of the power-on / off control branch.

[0049] In one embodiment, the power supply branch includes a power supply switch, the input terminal of the power supply branch is connected to the input terminal of the power supply switch, the output terminal of the power supply switch is connected to the output terminal of the power supply branch, and the control terminal of the power supply branch is connected to the control terminal of the power supply switch.

[0050] Specifically, since the power supply described in the above embodiments is a combination of a 12V power supply and a battery, the structure of the power supply branch in this embodiment can be further described as follows: Figure 2As shown in the lower part, the power supply branch includes a first power supply switch Q6 and a second power supply switch Q7, the input end of the first power supply switch Q6, i.e. pin 2, is connected to the first input end of the power supply branch, i.e. the DVCC-12V end, the input end of the second power supply switch Q7, i.e. pin 2, is connected to the second input end of the power supply branch, i.e. the DVCC-VBAT end, the output ends of the first power supply switch Q6 and the second power supply switch Q7, i.e. pin 3, are connected to the output end of the power supply branch, i.e. the DVCC-BAT-ACDC end, the control end of the first power supply switch Q6, i.e. pin 1, is connected to the input end of the first conduction control switch Q8, i.e. pin 3, the control end of the second power supply switch Q7, i.e. pin 1, is connected to the input end of the second conduction control switch Q9, i.e. pin 3, when the output end of the above-mentioned switch control branch, i.e. the TTL3.3V-ONOFF-OUT end, is high, the first conduction control switch Q8 and the second conduction control switch Q9 are turned on, and the first power supply switch Q6 and the second power supply switch Q7 are turned on, thereby realizing the power supply of the infusion pump by the power supply. Figure 2 As shown in the upper part, the SYS-ONOFF-CTL end is high, Figure 2 As shown in the lower part, the first conduction control switch Q8 and the second conduction control switch Q9 are turned on, thereby the first power supply switch Q6 and the second power supply switch Q7 are turned on, and the power supply of the infusion pump is realized.

[0051] It is easy to understand that in other embodiments, the power supply branch can include only one power supply input end, and the power supply input end can be connected to any type of power supply.

[0052] In an embodiment, the sub-controller MCU2 further includes a watchdog circuit, the sub-controller transmits a feed signal to the feed end of the watchdog circuit at a set interval, when the sub-controller is interrupted due to disturbance and the transmission of the feed signal to the feed end of the watchdog circuit is interrupted, the watchdog circuit immediately outputs a reset signal to the reset end of the sub-controller, so as to reset the sub-controller.

[0053] Therefore, it can be ensured that the sub-controller MCU2 can be reset in time after being disturbed to eliminate the abnormality caused by the disturbance, improve the reliability of the sub-controller, and thus improve the reliability of the anti-interference control system of the infusion pump, and finally further improve the working reliability of the infusion pump.

[0054] It should be noted that the power supplies in the above-mentioned embodiments can be the same or different, and any one or more of the 12V power supply, the 3.3V power supply and the battery can be included in the power supply.

[0055] Based on the anti-interference control system of the infusion pump given in the above-mentioned embodiments, the present application further provides an anti-interference control method of the infusion pump applied to the above-mentioned anti-interference control system of the infusion pump, as shown in the figure, the method includes: Figure 4 As shown in the figure, the method includes:

[0056] Step S201, when the infusion pump needs to be started, the light touch button is pressed for a first set time, the main controller receives the first detection output of the switch detection branch for the first set time, and the control output of the main controller outputs the control signal that can turn on the output of the power supply branch; the secondary controller receives the second detection output of the switch detection branch for the first set time, and the control output of the secondary controller outputs the control signal that locks the control signal output by the control output of the main controller;

[0057] Step S202, when the infusion pump needs to be turned off, the light touch button is pressed for a second set time greater than the first set time, the main controller receives the first detection output of the switch detection branch for the second set time, and the secondary controller receives the second detection output of the switch detection branch for the second set time, and outputs the control signal opposite to the control signal output by the main controller when the infusion pump is started.

[0058] Because the infusion pump anti-interference control method based on the above-mentioned infusion pump anti-interference control system has been described in detail in the above-mentioned infusion pump anti-interference control system, and the reset operation of the main controller MCU1 and the secondary controller MCU2 has also been described in detail in the above-mentioned infusion pump anti-interference control system, this embodiment will not be described again.

[0059] The above-mentioned embodiments are only used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application, and should be included in the protection scope of the present application.

Claims

1. An infusion pump anti-jam control system, comprising: The main controller, the sub-controller, the switch-on enabling branch, the switch-on detection branch, the switch-on control branch and the power supply branch are included. The power supply is connected to the input end of the switch-on enabling branch, the light touch button is connected to the control end of the switch-on enabling branch, the enabling output end of the switch-on enabling branch is connected to the detection input end of the switch-on detection branch, the first detection output end of the switch-on detection branch is connected to the main controller, and the second detection output end of the switch-on detection branch is connected to the sub-controller. The control output end of the main controller is connected to the first control end of the switch-on control branch, the control output end of the sub-controller is connected to the second control end of the switch-on control branch, the second control end is connected to the first control end, the input end of the switch-on control branch is connected to the power supply, the output end of the switch-on control branch is connected to the control end of the power supply branch, the input end of the power supply branch is connected to the power supply, and the output end of the power supply branch is connected to the power input end of the infusion pump. The switch-on enabling branch includes an enabling switch, the input end of the enabling switch is connected to the input end of the switch-on enabling branch, the output end of the enabling switch is connected to the enabling output end of the switch-on enabling branch, and the control end of the enabling switch is connected to the control end of the switch-on enabling branch. The switch-on detection branch includes a detection switch, the power supply is connected to the input end of the detection switch, the first detection output end of the switch-on detection branch and the second detection output end of the switch-on detection branch, the output end of the detection switch is grounded, and the detection input end of the switch-on detection branch is connected to the control end of the detection switch. The switch-on control branch includes a first control switch and a second control switch. The power supply is connected to the input end of the first control switch and the input end of the second control switch, the output ends of the first control switch and the second control switch are grounded, the input end of the second control switch is connected to the control end of the first control switch, the first control end of the switch-on control branch is connected to the control end of the first control switch, the second control end of the switch-on control branch is connected to the control end of the second control switch, and the input end of the first control switch is connected to the output end of the switch-on control branch.

2. The infusion pump anti-jam control system of claim 1, wherein, The reset control end of the sub-controller is connected to the control end of the reset branch, and the output end of the reset branch is connected to the reset receiving end of the sub-controller. The pulse signal output end of the main controller is connected to the pulse signal receiving end of the sub-controller.

3. The infusion pump anti-jam control system of claim 2, wherein, The reset branch includes a reset switch, the input end of the reset switch is grounded, the output end of the reset branch is connected to the output end of the reset switch, and the control end of the reset branch is connected to the control end of the reset switch.

4. The infusion pump anti-jam control system of claim 1, wherein, The power supply branch includes a power supply switch, the input end of the power supply branch is connected to the input end of the power supply switch, the output end of the power supply switch is connected to the output end of the power supply branch, and the control end of the power supply branch is connected to the control end of the power supply switch.

5. An infusion pump anti-jam control method, comprising: The method is applied to the anti-interference control system of the infusion pump in claim 1, and the method comprises the following steps: When the infusion pump needs to start, the light touch button is pressed for a first set time length, after the main controller receives the detection signal output by the first detection output end of the start-stop detection branch for the first set time length, the control output end of the main controller outputs the control signal that can make the output end of the start-stop control branch output the control signal that can turn on the power supply branch; after the secondary controller receives the detection signal output by the second detection output end of the start-stop detection branch for the first set time length, the control output end of the secondary controller outputs the control signal that can lock the control signal output by the control output end of the main controller. When the infusion pump needs to stop, the light touch button is pressed for a second set time length that is greater than the first set time length, after the main controller receives the detection signal output by the first detection output end of the start-stop detection branch for the second set time length, and after the secondary controller receives the detection signal output by the second detection output end of the start-stop detection branch for the second set time length, the control output ends of the main controller and the secondary controller all output the control signal whose potential level is opposite to the control signal output by the main controller when the infusion pump starts.

6. The infusion pump anti-jam control method of claim 5, wherein, The anti-interference control system of the infusion pump further comprises a reset branch, the reset control end of the secondary controller is connected to the control end of the reset branch, and the output end of the reset branch is connected to the reset receiving end of the secondary controller; the pulse signal output end of the main controller is connected to the pulse signal receiving end of the secondary controller. After the infusion pump starts, the secondary controller continuously receives the pulse signal output by the main controller, when the pulse signal changes, the reset control end of the secondary controller outputs the control signal that can change the potential of the output end of the reset branch for a third set time length, so as to reset the main controller.

7. The infusion pump anti-jam control method of claim 5 or 6, wherein, The secondary controller further comprises a watchdog circuit, the secondary controller transmits the feed signal to the feed end of the watchdog circuit at a set interval, when the secondary controller is disturbed and the transmission of the feed signal is interrupted, the watchdog circuit outputs the reset signal to the reset end of the secondary controller, so as to reset the secondary controller. The secondary controller further comprises a watchdog circuit, the secondary controller transmits the feed signal to the feed end of the watchdog circuit at a set interval, when the secondary controller is disturbed and the transmission of the feed signal is interrupted, the watchdog circuit outputs the reset signal to the reset end of the secondary controller, so as to reset the secondary controller.

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