CN221151010U - Motor driving force control device and electric anastomat - Google Patents
Motor driving force control device and electric anastomat Download PDFInfo
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- CN221151010U CN221151010U CN202322794089.0U CN202322794089U CN221151010U CN 221151010 U CN221151010 U CN 221151010U CN 202322794089 U CN202322794089 U CN 202322794089U CN 221151010 U CN221151010 U CN 221151010U
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- 238000001514 detection method Methods 0.000 claims abstract description 18
- 239000003990 capacitor Substances 0.000 claims description 34
- 238000007599 discharging Methods 0.000 claims description 13
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 10
- 229910052744 lithium Inorganic materials 0.000 claims description 10
- 238000005070 sampling Methods 0.000 claims description 9
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 9
- 230000005611 electricity Effects 0.000 description 3
- 230000003321 amplification Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 208000032843 Hemorrhage Diseases 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 208000034158 bleeding Diseases 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
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Abstract
The utility model discloses a motor driving force control device and an electric anastomat, wherein the motor driving force control device comprises a motor, a main power supply, a standby power supply, a control unit, a motor detection circuit, a charging control circuit and a motor driving circuit, wherein the motor detection circuit, the charging control circuit and the motor driving circuit are all electrically connected with the control unit, the main power supply and the standby power supply are both electrically connected with the charging control circuit and the motor driving circuit, and the motor detection circuit is electrically connected with the motor. The utility model monitors the current voltage and the rotating speed of the motor in real time by the motor detection circuit through setting the standby power supply, the charging control circuit is controlled by the control unit during the non-operation period of the motor, the standby power supply is full of the standby power supply through the main power supply, and the standby power supply does not participate in the work during the normal operation period of the motor; when the anastomat cuts the thick tissue, the standby power supply is connected, so that the power supply capacity is improved, the output torque of the motor is improved, and the anastomat can cut the thick tissue smoothly.
Description
Technical Field
The utility model relates to the technical field of electric anastomat, in particular to a motor driving force control device and an electric anastomat.
Background
Anastomat is commonly used for suturing, cutting and severing tissues and organs during surgery. With the improvement of technology, the anastomat gradually steps into the third-generation electric anastomat age from the first-generation open surgical anastomat and the second-generation endoscopic anastomat, and compared with a manual stitching instrument, the bleeding complications are reduced by nearly half when the electric stitching instrument is used.
The electric anastomat can completely realize all action functions of the endoscope anastomat under electric control by combining the motor, the circuit board and the mechanical traditional components together, and has simple operation method. At present, the electric anastomat adopts a disposable lithium battery as a power supply to drive a motor, when a thick tissue is cut, the motor load is large, and the lithium battery cannot provide large current due to the lithium battery, so that the output of the motor force is limited, the motor is further blocked, the thick tissue cannot be cut, and the normal use of the electric anastomat is influenced.
Disclosure of utility model
The utility model aims to provide a motor driving force control device and an electric anastomat aiming at the defects of the prior art, and when the anastomat cuts thick tissues, the power supply capacity can be improved, so that the motor output moment is improved, and the anastomat can cut thick tissues smoothly.
The technical scheme for realizing the purpose of the utility model is as follows:
The utility model provides a motor driving force controlling means, includes motor, main power supply, stand-by power supply and control unit and all is connected with the control unit electricity motor detection circuit, charge control circuit and motor drive circuit, main power supply and stand-by power supply all are connected with charge control circuit and motor drive circuit electricity simultaneously, motor detection circuit is connected with the motor electricity.
Further, the main power supply is a lithium battery, and the standby power supply adopts a plurality of super capacitors which are arranged in series and forms a standby power supply circuit with constant current output.
Further, the charging control circuit comprises a booster circuit, a charging protection circuit and a discharging circuit, wherein the input end of the booster circuit is connected with the main power supply and the control unit, the output end of the booster circuit is connected with the charging circuit, the output end of the charging circuit is connected with the standby power supply, the input end and the output end of the charging protection circuit are respectively electrically connected with the standby power supply and the charging circuit, the input end of the discharging circuit is connected with the control unit and the standby power supply, and the output end of the discharging circuit is connected with the main power supply.
Further, the boost circuit includes a boost chip U2 with a model MT3608, and a peripheral circuit composed of an electrolytic capacitor C1, an electrolytic capacitor C2, an inductor L1, a diode D1, a resistor R1, and a resistor R2.
Further, the charging circuit comprises a constant current control circuit composed of a triode Q3, a triode Q4, a resistor R45, a resistor R46, a resistor R47 and a resistor R48.
Further, the charging protection circuit comprises a signal amplifying circuit, a voltage comparing circuit and an AND gate circuit which are electrically connected with the signal amplifying circuit in sequence.
Further, the discharging circuit includes a discharging chip U3 with a model SLM6900, and a peripheral circuit composed of a triode Q1, a capacitor C7, a capacitor C8, a capacitor C9, a capacitor C30, a diode D5, a resistor R3, a resistor R4, a resistor R5, a resistor R6, a resistor R7, a resistor R8, and a resistor R9.
Further, the control unit comprises a singlechip circuit, a main power supply sampling circuit, a standby power supply sampling circuit and an input control circuit which are all electrically connected with the singlechip circuit.
Further, the singlechip circuit adopts a singlechip chip with the model of STM32F103C8T 6.
An electric stapler includes the motor driving force control device as described above.
By adopting the technical scheme, the utility model has the following beneficial effects:
(1) The motor driving force control device of the utility model monitors the current voltage and the rotating speed of the motor in real time by the motor detection circuit through arranging the standby power supply, the charging control circuit is controlled by the control unit during the non-operation period of the motor, the standby power supply is full of the standby power supply through the main power supply, and the standby power supply does not participate in the work during the normal operation period of the motor; when the anastomat cuts the thick tissue, the standby power supply is connected, so that the power supply capacity is improved, the output torque of the motor is improved, and the anastomat can cut the thick tissue smoothly.
(2) The standby power supply of the motor driving force control device adopts a plurality of super capacitors to be connected in series, so that the withstand voltage of the super capacitors is improved.
(3) The charging circuit of the motor driving force control device of the present utility model includes a constant current control circuit for controlling the charging current so that the charging current is maintained within a constant level.
(4) According to the motor driving force control device, the discharge circuit is arranged to discharge the constant current of the input power supply, so that the carrying capacity of the power supply is improved, when the motor load is large and the power supply voltage drops more, the control unit controls the discharge chip U3 to work, the constant current 2A of the power supply is discharged, and the carrying capacity of the power supply is improved.
(5) The electric anastomat adopts the motor driving force control device with the standby power supply, and when the anastomat cuts thick tissues, the standby power supply is connected in, so that the power supply capacity is improved, the output torque of the motor is improved, and the anastomat can cut thick tissues smoothly.
Drawings
In order that the utility model may be more readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments that are illustrated in the appended drawings, in which:
FIG. 1 is a control schematic block diagram of the present utility model;
FIG. 2 is a circuit diagram of a single chip microcomputer according to the present utility model;
FIG. 3 is a circuit diagram of a main power supply sampling circuit of the present utility model;
FIG. 4 is a schematic diagram of a standby power sampling circuit according to the present utility model;
FIG. 5 is a diagram of an input control circuit of the present utility model;
FIG. 6 is a diagram of a motor drive circuit according to the present utility model;
FIG. 7 is a general circuit diagram of the boost circuit, the charging circuit, and the standby power circuit of the present utility model;
FIG. 8 is a circuit diagram of the charge protection circuit of the present utility model;
Fig. 9 is a discharge circuit diagram of the present utility model.
The reference numerals in the drawings are:
A motor 1, a main power supply 2, a standby power supply 3, a control unit 4, a motor detection circuit 5, a charging control circuit 6 and a motor driving circuit 7.
Detailed Description
In order to better understand the above technical solutions, the following detailed description will refer to the accompanying drawings and specific embodiments.
Example 1
The electric stapler shown in fig. 1 to 9 includes a motor driving force control device composed of a motor 1, a main power supply 2, a standby power supply 3, a control unit 4, a motor detection circuit 5, a charging control circuit 6, and a motor driving circuit 7. Wherein the motor detection circuit 5, the charging control circuit 6 and the motor driving circuit 7 are all electrically connected with the control unit 4, the main power supply 2 and the standby power supply 3 are all electrically connected with the charging control circuit 6 and the motor driving circuit 7 at the same time, and the motor detection circuit 5 is electrically connected with the motor 1. The current voltage and the rotating speed of the motor 1 are monitored in real time through the motor detection circuit 5, the charging control circuit 6 is controlled by the control unit 4 during the period that the motor 1 is not in operation, the standby power supply 3 is full of the main power supply 2, and the standby power supply 3 does not participate in the operation during the normal operation of the motor; when the anastomat cuts the thick tissue, the standby power supply 3 is connected, so that the power supply capacity is improved, the output torque of the motor 1 is improved, and the anastomat can cut the thick tissue smoothly.
Specifically, the main power supply 2 is a lithium battery, and has the advantages of light weight, large capacity and excellent safety performance, and the voltage is DC 12V. The standby power supply adopts four super capacitors C3, C4, C5 and C6 which are arranged in series to form a standby power supply circuit with constant current output, so that the withstand voltage of the super capacitor is improved.
The motor driving circuit 7 is shown in fig. 2, and the control unit 4 comprises a singlechip circuit shown in fig. 3, and a main power supply sampling circuit, a standby power supply sampling circuit and an input control circuit which are respectively shown in fig. 4, 5 and 6 and are electrically connected with the singlechip circuit. The singlechip circuit adopts a singlechip chip with the model of STM32F103C8T 6.
The charge control circuit 6 includes a booster circuit including a booster chip U2 of model MT3608 and a peripheral circuit composed of an electrolytic capacitor C1, an electrolytic capacitor C2, an inductance L1, a diode D1, a resistor R1 and a resistor R2, a charge protection circuit, and a discharge circuit, and boosts the main power supply voltage DC12V to 22V. The charging circuit comprises a constant current control circuit consisting of a triode Q3, a triode Q4, a resistor R45, a resistor R46, a resistor R47 and a resistor R48, and is used for charging four super capacitors, so that the charging current is maintained within 2A. As shown in fig. 7, the cathode of the electrolytic capacitor C1 is grounded, the anode is connected to the main power supply 2 and the 5 pin of the boost chip U2 at the same time, one end of the inductor L1 is connected to the main power supply 2, the other end is connected to the 1 pin of the boost chip U2 with the anode of the diode D1, the cathode of the diode D1 is connected to the resistor R1, the anode resistor R47 of the electrolytic capacitor C2 and the e pole of the triode Q3 at the same time, the other end of the resistor R1 is connected to the 3 pin of the boost chip U2 with the resistor R2, and the other end of the resistor R2 is grounded to the cathode of the electrolytic capacitor C2. The other end of the resistor R47 and the resistor R48 are both connected with the b pole of the triode Q3, and the c pole of the triode Q3 is connected with a standby power supply circuit. The other end of the resistor R48 is connected with the c pole of the triode Q4, the b pole of the triode Q4 is sequentially connected with the resistor R46 and the resistor R45, and the other end of the resistor R45 and the b pole of the triode Q4 are grounded. The standby power supply circuit also comprises a charging current sampling circuit formed by a resistor R43 and a diode D5, and the super capacitor charging current generates an electric signal to the charging protection circuit through the resistor R43.
As shown in fig. 8, the charge protection circuit includes a signal amplification circuit, a voltage comparison circuit and an and circuit which are electrically connected in sequence to the signal amplification circuit. The signal amplifying circuit comprises a resistor R35, a resistor R42, a resistor R36, a capacitor C26 and a charging current signal amplifier U7A, the voltage comparing circuit comprises a resistor R44, a resistor R37 and a charging voltage signal amplifier U7B, and the AND circuit adopts a chip U8A. One end of the resistor R35 is connected with the standby power supply circuit, the other end of the resistor R35 is connected with the 3 pin of the charging current signal amplifier U7A, the 2 pin of the charging current signal amplifier U7A is simultaneously connected with the resistor R42 and the resistor R36, the 8 pin is connected with the capacitor C26, and the 1 pin is connected with the other end of the resistor R42 and the 6 pin of the charging voltage signal amplifier U7B. The 5 pins of the charging voltage signal amplifier U7B are simultaneously connected with the resistor R44 and the resistor R37, the 7 pins are connected with the 1 pin of the chip U8A, and the other ends of the resistor R37, the resistor R36 and the capacitor C26 are grounded. The charging current signal is amplified to a voltage signal by a signal amplifying circuit. The amplified signal is compared with a voltage dividing circuit formed by a resistor R44 and a resistor R37, when the current exceeds 2A, the operational amplifier U7B outputs low level, and the charging circuit is closed through an AND gate circuit, so that the charging circuit is closed.
As shown in fig. 9, the discharge circuit includes a discharge chip U3 of model SLM6900 and a peripheral circuit composed of a transistor Q1, a capacitor C7, a capacitor C8, a capacitor C9, a capacitor C30, a diode D5, a resistor R3, a resistor R4, a resistor R5, a resistor R6, a resistor R7, a resistor R8, and a resistor R9. The input end of the discharging circuit is connected with the control unit and the standby power supply, the output end of the discharging circuit is connected with the main power supply, and the DC22V constant current 2A on the super capacitor discharges the input battery; because the battery drives the motor, when the voltage drop of the battery with larger motor load is more, the CONTROL unit CONTROLs the discharge chip U3 to work through the CONTROL pin, and the battery constant current 2A is discharged, so that the carrying capacity of the battery is improved.
The standby power supply of the embodiment adopts a super capacitor, the standby power supply circuit adopts constant current output, the motor driving circuit controls the motor to forward and reverse rotation and the motor power supply to be connected to select, the motor detecting circuit is used for measuring information such as motor current, voltage and rotating speed, the motor working state is fed back, the control unit is used for working such as motor driving and charging and discharging switching of the standby power supply, the charging control circuit is used for boosting the voltage of the lithium battery, and the lithium battery is supplied to the standby power supply.
The control flow of this embodiment:
The first step: in the initial state, the lithium battery is not connected, the standby power supply is not powered, and the system is in the closed state;
And a second step of: the lithium battery is connected, if the electric quantity of the main power supply battery is detected to be insufficient, an abnormal alarm is started, and the motor cannot run; if the battery voltage of the main power supply is detected to be normal, the control unit detects the voltage of the standby power supply, and when the standby power supply is lower than a set value, the charging control circuit is started to charge the standby power supply to the set voltage (the voltage of the standby power supply is higher than the battery voltage by using the DC-DC boosting circuit).
And a third step of: the electric anastomat normally operates, the current voltage and the rotating speed of the motor are monitored in real time through a motor detection circuit, and if the motor load is normal, the anastomat normally operates; if the load of the anastomat is large, the current, the voltage and the rotating speed of the motor are monitored in real time through the motor detection circuit, the detection unit informs the control unit at the first time, the control unit controls the standby power supply circuit to be turned on, the constant current outputs 2A current, and the main power supply battery and the standby power supply simultaneously provide larger current for the motor, so that the motor can cut tissues more forcefully and stably.
While the foregoing is directed to embodiments of the present utility model, other and further details of the utility model may be had by the present utility model, it should be understood that the foregoing description is merely illustrative of the present utility model and that no limitations are intended to the scope of the utility model, except insofar as modifications, equivalents, improvements or modifications are within the spirit and principles of the utility model.
Claims (10)
1. A motor driving force control device characterized in that: the electric power charging device comprises a motor, a main power supply, a standby power supply, a control unit, a motor detection circuit, a charging control circuit and a motor driving circuit, wherein the motor detection circuit, the charging control circuit and the motor driving circuit are all electrically connected with the control unit, the main power supply and the standby power supply are both electrically connected with the charging control circuit and the motor driving circuit at the same time, and the motor detection circuit is electrically connected with the motor.
2. A motor driving force control apparatus according to claim 1, wherein: the main power supply is a lithium battery, and the standby power supply adopts a plurality of super capacitors which are arranged in series and forms a standby power supply circuit with constant current output.
3. A motor driving force control apparatus according to claim 2, wherein: the charging control circuit comprises a booster circuit, a charging protection circuit and a discharging circuit, wherein the input end of the booster circuit is connected with a main power supply and a control unit, the output end of the booster circuit is connected with a charging circuit, the output end of the charging circuit is connected with a standby power supply, the input end and the output end of the charging protection circuit are respectively and electrically connected with the standby power supply and the charging circuit, the input end of the discharging circuit is connected with the control unit and the standby power supply, and the output end of the discharging circuit is connected with the main power supply.
4. A motor driving force control apparatus according to claim 3, wherein: the boost circuit comprises a boost chip U2 with the model MT3608 and a peripheral circuit consisting of an electrolytic capacitor C1, an electrolytic capacitor C2, an inductor L1, a diode D1, a resistor R1 and a resistor R2.
5. A motor driving force control apparatus according to claim 3, wherein: the charging circuit comprises a constant current control circuit consisting of a triode Q3, a triode Q4, a resistor R45, a resistor R46, a resistor R47 and a resistor R48.
6. A motor driving force control apparatus according to claim 3, wherein: the charging protection circuit comprises a signal amplifying circuit, a voltage comparison circuit and an AND gate circuit which are electrically connected with the signal amplifying circuit in sequence.
7. A motor driving force control apparatus according to claim 3, wherein: the discharging circuit comprises a discharging chip U3 with the model of SLM6900, and a peripheral circuit consisting of a triode Q1, a capacitor C7, a capacitor C8, a capacitor C9, a capacitor C30, a diode D5, a resistor R3, a resistor R4, a resistor R5, a resistor R6, a resistor R7, a resistor R8 and a resistor R9.
8. A motor driving force control apparatus according to claim 1, wherein: the control unit comprises a singlechip circuit, a main power supply sampling circuit, a standby power supply sampling circuit and an input control circuit which are all electrically connected with the singlechip circuit.
9. A motor driving force control apparatus according to claim 8, wherein: the singlechip circuit adopts a singlechip chip with the model of STM32F103C8T 6.
10. An electric anastomat is characterized in that: a motor driving force control apparatus comprising any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322794089.0U CN221151010U (en) | 2023-10-18 | 2023-10-18 | Motor driving force control device and electric anastomat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322794089.0U CN221151010U (en) | 2023-10-18 | 2023-10-18 | Motor driving force control device and electric anastomat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221151010U true CN221151010U (en) | 2024-06-14 |
Family
ID=91387466
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322794089.0U Active CN221151010U (en) | 2023-10-18 | 2023-10-18 | Motor driving force control device and electric anastomat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221151010U (en) |
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2023
- 2023-10-18 CN CN202322794089.0U patent/CN221151010U/en active Active
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