CN115337171B - Emergency control circuit for operating table and operating table - Google Patents
Emergency control circuit for operating table and operating table Download PDFInfo
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- CN115337171B CN115337171B CN202211108934.8A CN202211108934A CN115337171B CN 115337171 B CN115337171 B CN 115337171B CN 202211108934 A CN202211108934 A CN 202211108934A CN 115337171 B CN115337171 B CN 115337171B
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G13/00—Operating tables; Auxiliary appliances therefor
- A61G13/10—Parts, details or accessories
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G13/00—Operating tables; Auxiliary appliances therefor
- A61G13/02—Adjustable operating tables; Controls therefor
- A61G13/08—Adjustable operating tables; Controls therefor the table being divided into different adjustable sections
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G2203/00—General characteristics of devices
- A61G2203/10—General characteristics of devices characterised by specific control means, e.g. for adjustment or steering
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
The invention discloses an emergency control circuit of an operating table and the operating table, which relate to the technical field of power electronics and comprise an emergency control button and an emergency control circuit, wherein the emergency control button controls the emergency control circuit so that the emergency control circuit controls the body position change of the operating table through operating table body position control equipment. Therefore, the controller or the control chip is not required to send a signal instruction, and the operation table position control equipment is controlled only through the emergency control button, namely the hard switch, so that the position change of the operation table is adjusted, the normal control of the operation table is ensured, and meanwhile, the situation that the operation table is influenced by the fact that the position of the operation table cannot be controlled due to the interference of electromagnetic signals in the control process is avoided.
Description
Technical Field
The invention relates to the technical field of power electronics, in particular to an operating table emergency control circuit and an operating table.
Background
In the prior art, in order to perform intelligent control on an operating table, an MCU (Microcontroller Unit, micro control unit) such as a singlechip is generally adopted as a main control chip, and a corresponding signal instruction is sent to the operating table through a hand controller so as to complete control on the body position change of the operating table.
The operating table is used as core medical equipment during the operation of a patient, and is an important work for ensuring that the patient can smoothly complete the operation and reducing the failure rate of the operating table. However, many devices in the operating room, especially EMI (Electromagnetic Interference ) of high-frequency medical devices such as shadowless lamps and monitors, are complex, and the operating table has a situation that signal instructions are interfered in a control process controlled by a main control chip and cannot be controlled normally.
Disclosure of Invention
The invention aims to provide an operating table emergency control circuit and an operating table, which do not need a controller or a control chip to send signal instructions, and only control operating table position control equipment through an emergency control button, namely a hard switch, so that the position change of the operating table is adjusted, the operating table can be controlled normally, and meanwhile, the condition that the position of the operating table cannot be controlled due to interference of electromagnetic signals in the control process to influence the normal operation of the operation is avoided.
In order to solve the technical problems, the invention provides an operating table emergency control circuit, which comprises an emergency control button and an emergency control circuit;
the first end of the emergency control button is grounded, and the second end of the emergency control button is connected with the first end of the emergency control circuit;
The power supply end of the emergency control circuit is connected with a power supply, and the second end of the emergency control circuit is connected with the operating table position control equipment and is used for controlling the position change of the operating table by controlling the operating table position control equipment when the emergency control button is pressed.
Preferably, the emergency control button comprises an electromagnetic valve emergency back-up control button with a second end grounded, and the emergency control circuit comprises an electromagnetic valve emergency back-up control circuit; the operating table position control equipment comprises a back lifting control electromagnetic valve, and a direct current power supply end of the back lifting control electromagnetic valve is connected with a direct current power supply end of an emergency back lifting control circuit of the electromagnetic valve;
the solenoid valve emergency back-lifting control circuit comprises a solenoid valve emergency back-lifting relay coil, a solenoid valve emergency back-lifting relay contact, a back-lifting pull-up resistor and a back-lifting diode;
the first end of the solenoid valve emergency back-lifting relay coil is connected with the power supply, and the second end of the solenoid valve emergency back-lifting relay coil is connected with the first end of the solenoid valve emergency back-lifting control button and is used for obtaining electricity after the solenoid valve emergency back-lifting control button is pressed;
the first end of the back-lifting pull-up resistor is a direct current power supply end of the electromagnetic valve emergency back-lifting control circuit, and the second end of the back-lifting pull-up resistor is connected with the anode of the back-lifting diode, the cathode of the back-lifting control electromagnetic valve and the first end of the electromagnetic valve emergency back-lifting relay contact; the cathode of the back-lifting diode is connected with the direct-current power supply end of the back-lifting control electromagnetic valve;
The second end of the solenoid valve emergency back-up relay contact is grounded and is used for being closed when the solenoid valve emergency back-up relay coil is powered on;
the back lifting control electromagnetic valve is used for controlling the operating table to lift back when the negative electrode of the back lifting control electromagnetic valve is grounded.
Preferably, the solenoid valve emergency back-up relay contact comprises a solenoid valve emergency back-up relay first contact and a solenoid valve emergency back-up relay second contact; the first end of the first contact of the solenoid valve emergency back-up relay is connected with the negative electrode of the back-up control solenoid valve, and the second end of the first contact is grounded and is used for being closed when the solenoid valve emergency back-up relay coil is powered on; the second contact of the electromagnetic valve emergency back-up relay is used for being disconnected when the coil of the electromagnetic valve emergency back-up relay is powered on;
the emergency control button further comprises a second end connected with the ground, a first end of the emergency back-down control button is connected with a second end of a second contact of the electromagnetic valve emergency back-up relay, and the emergency control circuit further comprises an electromagnetic valve emergency back-down control circuit; the operating table position control equipment further comprises a back descending control electromagnetic valve, wherein the direct current power end of the back descending control electromagnetic valve is connected with the direct current power end of the electromagnetic valve emergency back descending control circuit; the electromagnetic valve emergency back-down control circuit is connected with a direct-current power supply end of the electromagnetic valve emergency back-up control circuit;
The solenoid valve emergency back-down control circuit comprises a solenoid valve emergency back-down relay coil, a solenoid valve emergency back-down relay first contact, a solenoid valve emergency back-down relay second contact, a back-down pull-up resistor and a back-down diode;
the first end of the solenoid valve emergency back-falling relay coil is connected with the power supply, and the second end of the solenoid valve emergency back-falling relay coil is connected with the first end of the solenoid valve emergency back-falling relay second contact, so that electricity is obtained after the solenoid valve emergency back-falling control button is pressed;
the first end of the back drop pull-up resistor is a direct current power supply end of the electromagnetic valve emergency back drop control circuit, and the second end of the back drop pull-up resistor is connected with the anode of the back drop diode, the cathode of the back drop control electromagnetic valve and the first end of the first contact of the electromagnetic valve emergency back drop relay; the cathode of the back drop diode is connected with the direct current power supply end of the back drop control electromagnetic valve;
the second end of the first contact of the solenoid valve emergency back-drop relay is grounded and is used for being closed when the solenoid valve emergency back-drop relay coil is powered on; the first end of the second contact of the solenoid valve emergency back-down relay is connected with the second end of the solenoid valve emergency back-up relay coil, and the second end of the second contact is connected with the first end of the solenoid valve emergency back-up control button and is used for being disconnected when the solenoid valve emergency back-down relay coil is powered on;
The back-falling control electromagnetic valve is used for controlling the back of the operating table to fall when the negative electrode of the back-falling control electromagnetic valve is grounded.
Preferably, the emergency control button comprises an oil pump emergency control button with a second end grounded; the emergency control circuit comprises an oil pump emergency control circuit; the operating table position control equipment comprises an oil pump with a grounded negative electrode;
the oil pump emergency control circuit comprises an oil pump emergency control relay and an oil pump emergency control relay contact;
the first end of the oil pump emergency control relay is connected with the power supply, and the second end of the oil pump emergency control relay is connected with the first end of the oil pump emergency control button and is used for obtaining electricity when the oil pump emergency control button is pressed;
the first end of the oil pump emergency control relay contact is connected with the positive electrode of the oil pump, and the second end of the oil pump emergency control relay contact is connected with the power supply and is used for being closed after the oil pump emergency control relay is powered on;
the oil pump is used for controlling the body position change of the operating table when the anode of the oil pump is connected with the power supply.
Preferably, the operating table further comprises an operating table main control circuit, which is used for controlling the operating table position control equipment based on a user command in normal operation so as to adjust the position change of the operating table and outputting a main control maintaining signal through a switching control end of the operating table main control circuit; the first end of the emergency control button and the grounding end of the emergency control circuit are connected with a first ground wire; the grounding end of the operating table position control equipment is connected with a second ground wire; the first ground wire is not connected with the second ground wire, and the electric level is suspended;
The operating table emergency control circuit further comprises:
an emergency switching control circuit, an emergency switching relay and an emergency switching relay contact;
the first end of the emergency switching control circuit is connected with the switching control end of the operating table main control circuit, and the second end of the emergency switching control circuit is connected with the second end of the emergency switching relay, and is used for enabling the second end level of the emergency switching control circuit to be set to be low level when the main control maintaining signal is received and enabling the second end level of the emergency switching relay to be suspended when the main control maintaining signal is not received;
the first end of the emergency switching relay is connected with the power supply, and is used for obtaining electricity when the level of the second end of the emergency switching relay is low, and losing electricity when the level of the second end of the emergency switching relay is suspended;
the first end of the emergency switching relay contact is connected with the first ground wire, the second end of the emergency switching relay contact is connected with the second ground wire and used for being disconnected when the emergency switching relay is powered on, and the emergency switching relay is closed when the emergency switching relay is powered off.
Preferably, the emergency switching control circuit comprises a first emergency switching resistor, a second emergency switching resistor, a third emergency switching resistor, a triode and a MOS tube;
the first end of the first emergency switching resistor is connected with the switching control end of the operating table main control circuit and the first end of the second emergency switching resistor, and the second end of the first emergency switching resistor is grounded;
The second end of the second emergency switching resistor is connected with the base electrode of the triode;
the collector of the triode is connected with a direct current power supply, and the emitter is connected with the first end of the third emergency switching resistor and the grid electrode of the MOS tube;
the second end of the third emergency switching resistor is connected with the source electrode of the MOS tube and grounded;
and the drain electrode of the MOS tube is connected with the second end of the emergency switching relay.
Preferably, the power supply comprises a storage battery and/or a power conversion circuit;
the power supply conversion circuit is used for converting alternating current into direct current so as to supply power for the emergency control circuit and the operating table position control equipment.
In order to solve the technical problems, the invention provides an operating table, which comprises the operating table emergency control circuit.
Preferably, the surgical table also comprises an operating table main control circuit; the operating table main control circuit comprises a hand controller, a main control board and a main driving circuit;
the hand controller is used for receiving an operating table position adjusting instruction of a user;
the main control board is connected with the hand controller and is used for outputting an operating table position adjustment control signal according to the operating table position adjustment instruction;
The main driving circuit is arranged between the main control board and the operating table position control equipment and is used for controlling the operating table position control equipment to adjust the position of the operating table based on the operating table position adjustment control signal.
Preferably, the operating table position control device comprises a back lifting control electromagnetic valve, a back lowering control electromagnetic valve and an oil pump.
The application provides an operation table emergency control circuit and operation table relates to the power electronic technical field, including emergency control button and emergency control circuit, wherein, by emergency control button to emergency control circuit control to make emergency control circuit control operation table's position change. Therefore, the controller or the control chip is not required to send a signal instruction, and the operation table position control equipment is controlled only through the emergency control button, namely the hard switch, so that the position change of the operation table is adjusted, the normal control of the operation table is ensured, and meanwhile, the situation that the operation table is influenced by the fact that the position of the operation table cannot be controlled due to the interference of electromagnetic signals in the control process is avoided.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required in the prior art and the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of an operating table emergency control circuit according to the present invention;
fig. 2a is a schematic structural diagram of an emergency back-up control button of an electromagnetic valve according to the present invention;
fig. 2b is a schematic structural diagram of an emergency back-up control circuit for an electromagnetic valve according to the present invention;
FIG. 3a is a schematic structural diagram of an emergency back-down control button for an electromagnetic valve according to the present invention;
FIG. 3b is a schematic diagram of an emergency back-down control circuit for solenoid valves according to the present invention;
fig. 4a is a schematic structural diagram of an emergency control button of an oil pump according to the present invention;
fig. 4b is a schematic structural diagram of an emergency control circuit for an oil pump according to the present invention;
FIG. 5a is a schematic diagram of a portion of an emergency control circuit for an operating table according to the present invention;
fig. 5b is a schematic structural diagram of an emergency switching control circuit according to the present invention;
fig. 6 is a schematic structural diagram between an operating table emergency control circuit and an operating table main control circuit provided by the invention.
Detailed Description
The invention has the core of providing an operating table emergency control circuit and an operating table, which do not need a controller or a control chip to send signal instructions, and only control operating table position control equipment through an emergency control button, namely a hard switch, so as to adjust the position change of the operating table, and avoid the influence on the normal operation caused by the fact that the position of the operating table cannot be controlled due to the interference of electromagnetic signals in the control process while ensuring the normal control of the operating table.
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1, fig. 1 is a schematic structural diagram of an emergency control circuit for an operating table, which includes an emergency control button 11 and an emergency control circuit 12;
the first end of the emergency control button 11 is grounded, and the second end is connected with the first end of the emergency control circuit 12;
the power supply end of the emergency control circuit 12 is connected with a power supply, and the second end is connected with the operating table position control equipment, so that the operating table position control equipment is controlled to control the position change of the operating table when the emergency control button 11 is pressed.
Considering that in the prior art, the body position of the operating table is usually adjusted through devices such as a main control chip, but because various devices exist in the operating room, the EMI condition in the operating room is complex and the control signal of the main control chip is influenced, for example, a user controls the operating table to lift up through the main control chip, but because the control signal output by the main control chip is interfered by the EMI, the operating table has no control response or response error, and the operation cannot be normally performed and even the life safety of a patient is influenced.
In order to solve the technical problem, the operating table emergency control circuit 12 is arranged in the operating table emergency control device, the operating table emergency control device comprises an emergency control button 11 and an emergency control circuit 12, a user can directly operate the emergency control button 11 when needing emergency control of the operating table, and the emergency control circuit 12 can control operating table control equipment when pressing the emergency control button 11 so as to correspondingly control the position change of the operating table.
Of course, the emergency control button 11 in the present application may include multiple functions, and may correspond to a preset rule and a body position changing manner of pressing the emergency control button 11, for example, by pressing once in a preset time, the emergency control circuit 12 controls the operating table back lifting through the operating table body position control device, pressing twice in the preset time, and the emergency control circuit 12 controls the operating table back lowering through the operating table body position control device, which is not limited in the present application.
In summary, the present application does not need a controller or a control chip to send a signal instruction, and only controls the position control device of the operating table through the emergency control button 11, namely the hard switch, so as to adjust the position change of the operating table, and avoid that the position of the operating table cannot be controlled to influence the normal operation due to the interference of electromagnetic signals in the control process while ensuring the normal control of the operating table.
Based on the above embodiments:
as a preferred embodiment, the emergency control button 11 comprises a solenoid valve emergency back-up control button S11 with a second end grounded, and the emergency control circuit 12 comprises a solenoid valve emergency back-up control circuit; the operating table position control equipment comprises a back lifting control electromagnetic VALVE, wherein the direct current power end of the back lifting control electromagnetic VALVE is connected with the direct current power end +VALVE of the electromagnetic VALVE emergency back lifting control circuit;
the solenoid valve emergency back-lifting control circuit comprises a solenoid valve emergency back-lifting relay coil KM1, a solenoid valve emergency back-lifting relay contact, a back-lifting pull-up resistor R11 and a back-lifting diode D11;
the first end of the solenoid valve emergency back-lifting relay coil KM1 is connected with a power supply, and the second end of the solenoid valve emergency back-lifting relay coil is connected with the first end of the solenoid valve emergency back-lifting control button S11, and is used for obtaining electricity after the solenoid valve emergency back-lifting control button S11 is pressed;
the first end of the back lifting pull-up resistor R11 is a direct current power supply end +VALVE of an electromagnetic VALVE emergency back lifting control circuit, and the second end is connected with the anode of the back lifting diode D11, the cathode of the back lifting control electromagnetic VALVE and the first end OV1 of an electromagnetic VALVE emergency back lifting relay contact; the cathode of the back-lifting diode is connected with the direct-current power supply end of the back-lifting control electromagnetic valve;
The second end of the solenoid valve emergency back-up relay contact is grounded and is used for being closed when the solenoid valve emergency back-up relay coil KM1 is electrified;
the back lifting control electromagnetic valve is used for controlling the operating table to lift back when the negative electrode of the back lifting control electromagnetic valve is grounded.
Referring to fig. 2a and 2b, fig. 2a is a schematic structural diagram of an emergency back-up control button of an electromagnetic valve according to the present invention, and fig. 2b is a schematic structural diagram of an emergency back-up control circuit of an electromagnetic valve according to the present invention.
The emergency control button 11 in this embodiment includes an electromagnetic valve emergency back-up control button S11, and the emergency control circuit 12 includes an electromagnetic valve emergency back-up control circuit, wherein, when the user presses the electromagnetic valve emergency back-up control button S11, the two ends of the electromagnetic valve emergency back-up relay coil KM1 in the electromagnetic valve emergency back-up control circuit generate voltage difference to obtain electricity, so that the electromagnetic valve emergency back-up relay contact is closed, the negative electrode of the back-up control electromagnetic valve is grounded through the electromagnetic valve emergency back-up relay contact, and the direct current power supply end of the back-up control electromagnetic valve and the negative electrode generate voltage difference to obtain electricity, so as to control the back-up of the operating table, and realize the control of the body position change of the operating table.
By providing the back-up pull-up resistor R11 and the back-up diode D11, the back-up control solenoid valve can be turned off to release the current.
In addition, as a preferred embodiment, a back-up light emitting diode LED1 may be further disposed between the back-up pull-up resistor R11 and the solenoid valve emergency back-up relay contact, and when the solenoid valve emergency back-up control button S11 is pressed, a voltage difference is generated across the back-up light emitting diode LED1 to be turned on, so as to prompt the user to be in a state of controlling the back-up of the operating table.
As a preferred embodiment, the solenoid valve emergency back-up relay contacts include a solenoid valve emergency back-up relay first contact KM101 and a solenoid valve emergency back-up relay second contact KM102; the first end OV1 of the first contact KM101 of the solenoid valve emergency back-lifting relay is connected with the negative electrode of the back-lifting control solenoid valve, and the second end is grounded and is used for being closed when the solenoid valve emergency back-lifting relay coil KM1 is electrified; the second contact KM102 of the solenoid valve emergency back-lifting relay is used for being disconnected when the solenoid valve emergency back-lifting relay coil KM1 is powered on;
the emergency control button 11 further comprises a second end grounding, an electromagnetic valve emergency back-down control button S12, wherein the first end V02 is connected with the second end V02 of the electromagnetic valve emergency back-up relay second contact KM102, and the emergency control circuit 12 further comprises an electromagnetic valve emergency back-down control circuit; the operating table position control equipment also comprises a back descent control electromagnetic VALVE, wherein the direct current power end of the back descent control electromagnetic VALVE is connected with the direct current power end +VALVE of the electromagnetic VALVE emergency back descent control circuit; the electromagnetic VALVE emergency back-down control circuit is connected with the direct-current power supply end +VALVE of the electromagnetic VALVE emergency back-up control circuit;
The solenoid valve emergency back drop control circuit comprises a solenoid valve emergency back drop relay coil KM2, a solenoid valve emergency back drop relay first contact KM201, a solenoid valve emergency back drop relay second contact KM202, a back drop pull-up resistor R12 and a back drop diode D12;
the first end of the solenoid valve emergency back-down relay coil KM2 is connected with a power supply, and the second end K16 is connected with the first end K16 of the solenoid valve emergency back-up relay second contact KM102, so that electricity is obtained after the solenoid valve emergency back-down control button S12 is pressed;
the first end of the back drop up resistor R12 is a direct current power supply end +VALVE of an electromagnetic VALVE emergency back drop control circuit, and the second end is connected with the anode of the back drop diode D12, the cathode of the back drop control electromagnetic VALVE and the first end OV2 of a first contact KM201 of the electromagnetic VALVE emergency back drop relay; the cathode of the back drop diode D12 is connected with the direct current power supply end of the back drop control electromagnetic valve;
the second end of the first contact KM201 of the solenoid valve emergency back-drop relay is grounded and is used for being closed when the solenoid valve emergency back-drop relay coil KM2 is powered on; the first end K06 of the second contact KM202 of the solenoid valve emergency back-falling relay is connected with the second end K06 of the solenoid valve emergency back-rising relay coil KM1, and the second end V01 is connected with the first end V01 of the solenoid valve emergency back-rising control button S11 and is used for being disconnected when the solenoid valve emergency back-falling relay coil KM2 is powered on;
The back drop control electromagnetic valve is used for controlling the back drop of the operating table when the negative electrode of the back drop control electromagnetic valve is grounded.
Referring to fig. 3a and 3b, fig. 3a is a schematic structural diagram of an emergency back-down control button of an electromagnetic valve provided by the present invention, and fig. 3b is a schematic structural diagram of an emergency back-down control circuit of an electromagnetic valve provided by the present invention.
In this embodiment, the emergency control button 11 further includes an electromagnetic valve emergency back-drop control button S12, the emergency control circuit 12 further includes an electromagnetic valve emergency back-drop control circuit, when the user needs to control the operation table back-drop, the electromagnetic valve emergency back-drop control button S12 can be pressed, at this time, the two ends of the electromagnetic valve emergency back-drop relay coil KM2 generate a voltage difference through the electromagnetic valve emergency back-drop control button S12 and the electromagnetic valve emergency back-drop relay second contact KM102, the electromagnetic valve emergency back-drop relay coil KM2 is powered on, so that the electromagnetic valve emergency back-drop relay first contact KM201 and the electromagnetic valve emergency back-drop relay second contact KM202 are closed. In addition, voltage difference can be generated between a direct current power supply end and a negative electrode of the back-falling control electromagnetic valve, an interlocking circuit can be formed by the electromagnetic valve emergency back-falling control circuit, namely, only when the electromagnetic valve emergency back-falling control button S11 is not pressed, the electromagnetic valve emergency back-falling relay coil KM1 is not electrified, the electromagnetic valve emergency back-falling control button S12 is pressed when the electromagnetic valve emergency back-falling relay second contact KM102 is in a closed state, the electromagnetic valve emergency back-falling relay coil KM2 is electrified, the operation table back-falling can be controlled through the back-falling control electromagnetic valve, and in the same way, the operation table can be lifted only when the electromagnetic valve emergency back-falling control button S11 is pressed, so that the operation table back-falling and back-falling are ensured to be carried out simultaneously, and the operation table control failure is caused.
It should be noted that, when the solenoid valve emergency back-up control button S11 and the solenoid valve emergency back-down control button S12 in the present application are pressed, the specific may be a fixed back-up or back-down speed, and the time duration of pressing the solenoid valve emergency back-up control button S11 or the solenoid valve emergency back-down control button S12 multiplied by the speed is the back-up or back-down displacement; the back lifting or back lowering fixed displacement of the operating table may be performed once each time the solenoid valve emergency back lifting control button S11 and the solenoid valve emergency back lowering control button S12 are pressed, which is not limited in this application.
It should also be noted that, in this embodiment, a bleeder diode may be disposed between the first end and the second end of the solenoid valve emergency back-down relay coil KM2 or the solenoid valve emergency back-up relay coil KM1, so that the solenoid valve emergency back-down relay coil KM2 or the solenoid valve emergency back-up relay coil KM1 may be turned off to bleed.
In addition, as a preferred embodiment, a back drop light emitting diode LED2 may be further disposed between the back drop pull-up resistor R12 and the first contact KM201 of the solenoid valve emergency back drop relay, and when the solenoid valve emergency back drop control button S12 is pressed, a voltage difference is generated between both ends of the back drop light emitting diode LED2 to be turned on, so as to prompt the user to be in a state of controlling the back drop of the operating table.
As a preferred embodiment, the emergency control button 11 includes an oil pump emergency control button S13 with a second end grounded; the emergency control circuit 12 includes an oil pump emergency control circuit 12; the operating table position control equipment comprises an oil pump with a grounded negative electrode;
the oil pump emergency control circuit 12 comprises an oil pump emergency control relay KM3 and an oil pump emergency control relay contact KM301;
the first end of the oil pump emergency control relay KM3 is connected with a power supply, and the second end ACT is connected with the first end ACT of the oil pump emergency control button S13, so that electricity is obtained when the oil pump emergency control button S13 is pressed;
the first end of the oil Pump emergency control relay contact KM301 is connected with the positive electrode +Pump of the oil Pump, and the second end of the oil Pump emergency control relay contact KM301 is connected with a power supply and is used for being closed after the oil Pump emergency control relay KM3 is electrified;
the oil pump is used for controlling the body position change of the operating table when the anode of the oil pump is connected with a power supply.
Referring to fig. 4a and 4b, fig. 4a is a schematic structural diagram of an oil pump emergency control button provided by the present invention, and fig. 4b is a schematic structural diagram of an oil pump emergency control circuit provided by the present invention.
In this embodiment, when the position change control is performed on the operation table, the control may also be performed through the oil pump, specifically, the emergency control button 11 includes the oil pump emergency control button S13, the emergency control circuit 12 includes the oil pump emergency control circuit 12, the user presses the oil pump emergency control button S13 to control the two ends of the oil pump emergency control relay KM3 to generate a voltage difference to obtain electricity, thereby controlling the oil pump emergency control relay contact KM301 to be closed, so that the positive electrode of the oil pump is connected with the power supply, that is, even if the voltage difference is generated between the positive electrode and the negative electrode of the oil pump, the oil pump is enabled to generate electricity to move, and the control of the position change of the operation table is realized.
Of course, the oil pump can control the height of the operating table, and the application is not limited to this.
An oil pump bleeder resistor can be further arranged between the first end of the oil pump emergency control relay KM3 and the power supply, and an oil pump bleeder diode can be further arranged between the first end and the second end of the oil pump emergency control relay KM3, so that the oil pump emergency control relay KM3 can be turned off to release.
It should be further noted that, the oil Pump emergency control relay contact KM301 may further include a third end+pump 1 connected to the operating table main control circuit, when the oil Pump emergency control relay KM3 loses power, the first end of the oil Pump emergency control relay contact KM301 is connected to the third end, the operating table main control circuit provides a high level for the positive electrode of the oil Pump, when the oil Pump emergency control relay KM3 gets power, the first end of the oil Pump emergency control relay contact KM301 is connected to the second end, and the high level is directly provided for the positive electrode of the oil Pump through the power supply, so as to realize the switching of the main control and the emergency control of the oil Pump.
As a preferred embodiment, the operating table further comprises an operating table main control circuit for controlling the operating table position control device based on a user's instruction during normal operation to adjust the position change of the operating table and outputting a main control maintaining signal through the switching control terminal thereof; the first end of the emergency control button 11 and the grounding end of the emergency control circuit 12 are connected with a first ground wire; the grounding end of the operating table body position control equipment is connected with a second ground wire; the first ground wire EGND is suspended in the electric level when not connected with the second ground wire GND;
The operating table emergency control circuit 12 further includes:
an emergency switching control circuit, an emergency switching relay KM4 and an emergency switching relay contact KM401;
the first end of the emergency switching control circuit is connected with the switching control end of the operating table main control circuit, the second end of the emergency switching control circuit is connected with the second end DISABLE of the emergency switching relay KM4, and the emergency switching control circuit is used for enabling the second end level of the emergency switching control circuit to be set to be low level when a main control maintaining signal is received and enabling the second end level of the emergency switching control circuit to be suspended when the main control maintaining signal is not received;
the first end of the emergency switching relay KM4 is connected with a power supply, and is used for obtaining electricity when the level of the second end of the emergency switching relay KM is low and losing electricity when the level of the second end of the emergency switching relay KM is suspended;
the first end of the emergency switching relay contact KM401 is connected with a first ground wire EGND, and the second end of the emergency switching relay contact KM401 is connected with a second ground wire and is used for being disconnected when the emergency switching relay KM4 is powered on and being closed when the emergency switching relay KM4 is powered off.
Referring to fig. 5a, fig. 5a is a schematic diagram of a part of an emergency control circuit for an operating table according to the present invention.
In this embodiment, in order to avoid that the operating table main control circuit and the operating table emergency control circuit 12 control the body position change of the operating table at the same time, that is, in order to ensure that the operating table main control circuit can not control the body position change of the operating table only through the operating table emergency control circuit 12, the operating table emergency control circuit 12 is further provided with an emergency switching control circuit, an emergency switching relay KM4 and an emergency switching relay contact KM401.
When the operating table main control circuit can normally control the body position change of the operating table, a main control holding signal is output to the first end of the emergency switching control circuit, so that the second end level of the emergency switching control circuit is low, at the moment, voltage difference exists at two ends of the emergency switching relay KM4, the emergency switching relay contact KM401 is disconnected, the first ground wire EGND is not connected with the second ground wire, the first ground wire EGND is suspended, at the moment, the operating table emergency control circuit 12 and the operating table body position control equipment are not in the same level, the operating table emergency control circuit 12 cannot carry out emergency control on the body position change of the operating table, and only the body position change of the operating table can be controlled through the operating table main control circuit.
When the main control circuit of the operating table is abnormal and can not normally control the body position change of the operating table, the main control holding signal is stopped to be output, the second end level of the emergency switching control circuit is suspended, no voltage difference exists at two ends of the emergency switching relay KM4, the emergency switching relay contact KM401 is closed, the first ground wire EGND is connected with the second ground wire, the grounding ends of the emergency control circuit 12 of the operating table and the body position control equipment of the operating table are at the same level, and the emergency control circuit 12 of the operating table can control the body position control equipment of the operating table so as to control the body position change of the operating table.
Therefore, the emergency switching circuit is arranged in the operating table, so that the operating table main control circuit and the operating table emergency control circuit 12 can be prevented from controlling the body position change of the operating table at the same time, and the accuracy and the effectiveness of the control on the body position change of the operating table are ensured.
In addition, an emergency switching bleeder resistor can be arranged between the first end of the emergency switching relay KM4 and the power supply, and an emergency switching bleeder diode can be arranged between the first end and the second end of the emergency switching relay KM4, so that the emergency switching relay KM4 is turned off and bleeder.
As a preferred embodiment, the emergency switching control circuit includes a first emergency switching resistor R51, a second emergency switching resistor R52, a third emergency switching resistor R53, a triode Q51, and a MOS (Metal-Oxide-Semiconductor Field-Effect Transistor, metal half field effect transistor) Q52;
the first end OUT1 of the first emergency switching resistor is connected with the switching control end of the operating table main control circuit and the first end of the second emergency switching resistor R52, and the second end is grounded;
the second end of the second emergency switching resistor R52 is connected with the base electrode of the triode Q51;
the collector of the triode Q51 is connected with a direct current power supply, and the emitter is connected with the first end of the third emergency switching resistor R53 and the grid electrode of the MOS tube Q52;
The second end of the third emergency switching resistor R53 is connected with the source electrode of the MOS tube Q52 and grounded;
the drain DISABLE of the MOS transistor Q52 is connected to the second end DISABLE of the emergency switching relay KM 4.
Referring to fig. 5b, fig. 5b is a schematic structural diagram of an emergency switching control circuit according to the present invention.
In this embodiment, the emergency switching control circuit includes a first emergency switching resistor, a second emergency switching resistor R52, a third emergency switching resistor R53, a triode Q51 and a MOS transistor Q52, when the base of the triode Q51 receives the master control holding signal, the base of the triode Q51 is turned on, the gate voltage of the MOS transistor Q52 is pulled up to be turned on, and the drain voltage of the MOS transistor Q52 is pulled down to pull down the voltage at the second end of the emergency switching relay KM 4.
And when the base electrode of the triode Q51 does not receive the main control maintaining signal, the gate voltage of the MOS tube Q52 is pulled down to be turned off, and the drain voltage of the MOS tube Q52 is suspended, so that the voltage of the second end of the emergency switching relay KM4 is suspended.
As a preferred embodiment, the power supply comprises a battery and/or a power conversion circuit;
the power conversion circuit is used to convert alternating current to direct current to power the emergency control circuit 12 and the operating table position control device.
The power supply in this embodiment includes a storage battery and/or a power conversion circuit, where the storage battery may provide a stable direct current, and the power conversion circuit may convert the alternating current (e.g. 220V) into the direct current (e.g. 24V) to supply power to the emergency control circuit 12 and the operating table position control device, so as to implement emergency control on the position change of the operating table.
Of course, the specific form of the power supply is not limited in this application.
To solve the above technical problems, the present invention provides an operating table, which includes the operating table emergency control circuit 12 described above.
For an description of an operating table provided by the present invention, please refer to the embodiment of the operating table emergency control circuit 12, and the description of the present invention is omitted herein.
As a preferred embodiment, the surgical table further comprises an operating table main control circuit; the operating table main control circuit comprises a hand controller, a main control board and a main driving circuit;
the hand controller is used for receiving an operating table position adjusting instruction of a user;
the main control board is connected with the hand controller and is used for outputting an operating table position adjusting control signal according to an operating table position adjusting instruction;
the main driving circuit is arranged between the main control board and the operating table position control equipment and is used for controlling the operating table position control equipment to adjust the position of the operating table based on the operating table position adjustment control signal.
Referring to fig. 6, fig. 6 is a schematic structural diagram of an operating table emergency control circuit and an operating table main control circuit according to the present invention.
The operating table in this embodiment further includes an operating table main control circuit, and when the operating table main control circuit is normal, a user can send an operating table position adjustment instruction, such as a back adjustment instruction or a back adjustment instruction, to the main control board through the hand controller, and the main control board can generate an operating table position adjustment control signal according to the operating table position adjustment instruction, so that the main driving circuit controls the operating table position control device according to the operating table position adjustment control signal, so that the operating table changes position according to the operating table position adjustment instruction.
When the main control circuit of the operating table can be controlled normally, a user can only send the body position adjusting instruction of the operating table through the hand controller, and the operation is simple and convenient.
As a preferred embodiment, the operating table position control apparatus includes a back lift control solenoid valve, a back down control solenoid valve, and an oil pump.
The operating table position control equipment in the embodiment comprises a back lifting control electromagnetic valve, a back lowering control electromagnetic valve and an oil pump, wherein the back lifting control electromagnetic valve can control the back lifting of the operating table when the back lifting control electromagnetic valve is powered on, the back lowering of the operating table is controlled when the back lowering control electromagnetic valve is powered on, the height of the operating table can be controlled to change when the oil pump is powered on, and the position change of the operating table is realized by controlling the back lifting control electromagnetic valve or the back lowering control electromagnetic valve and/or the oil pump so that the operating table can meet the requirement of the current operation.
It should also be noted that in this specification, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. An operating table emergency control circuit is characterized by comprising an emergency control button and an emergency control circuit;
the first end of the emergency control button is grounded, and the second end of the emergency control button is connected with the first end of the emergency control circuit;
the power supply end of the emergency control circuit is connected with a power supply, and the second end of the emergency control circuit is connected with an operating table position control device and is used for controlling the position change of the operating table by controlling the operating table position control device when the emergency control button is pressed;
the emergency control button comprises an electromagnetic valve emergency back-up control button with a second end grounded, and the emergency control circuit comprises an electromagnetic valve emergency back-up control circuit; the operating table position control equipment comprises a back lifting control electromagnetic valve, and a direct current power supply end of the back lifting control electromagnetic valve is connected with a direct current power supply end of an emergency back lifting control circuit of the electromagnetic valve;
the solenoid valve emergency back-lifting control circuit comprises a solenoid valve emergency back-lifting relay coil, a solenoid valve emergency back-lifting relay contact, a back-lifting pull-up resistor and a back-lifting diode;
the first end of the solenoid valve emergency back-lifting relay coil is connected with the power supply, and the second end of the solenoid valve emergency back-lifting relay coil is connected with the first end of the solenoid valve emergency back-lifting control button and is used for obtaining electricity after the solenoid valve emergency back-lifting control button is pressed;
The first end of the back-lifting pull-up resistor is a direct current power supply end of the electromagnetic valve emergency back-lifting control circuit, and the second end of the back-lifting pull-up resistor is connected with the anode of the back-lifting diode, the cathode of the back-lifting control electromagnetic valve and the first end of the electromagnetic valve emergency back-lifting relay contact; the cathode of the back-up diode is connected with the direct-current power supply end of the back-up control electromagnetic valve;
the second end of the solenoid valve emergency back-up relay contact is grounded and is used for being closed when the solenoid valve emergency back-up relay coil is powered on;
the back lifting control electromagnetic valve is used for controlling the operating table to lift back when the negative electrode of the back lifting control electromagnetic valve is grounded.
2. The operating table emergency control circuit of claim 1, wherein the solenoid valve emergency back-up relay contacts comprise a solenoid valve emergency back-up relay first contact and a solenoid valve emergency back-up relay second contact; the first end of the first contact of the solenoid valve emergency back-up relay is connected with the negative electrode of the back-up control solenoid valve, and the second end of the first contact is grounded and is used for being closed when the solenoid valve emergency back-up relay coil is powered on; the second contact of the electromagnetic valve emergency back-up relay is used for being disconnected when the coil of the electromagnetic valve emergency back-up relay is powered on;
The emergency control button further comprises a second end connected with the ground, a first end of the emergency back-down control button is connected with a second end of a second contact of the electromagnetic valve emergency back-up relay, and the emergency control circuit further comprises an electromagnetic valve emergency back-down control circuit; the operating table position control equipment further comprises a back descending control electromagnetic valve, wherein the direct current power end of the back descending control electromagnetic valve is connected with the direct current power end of the electromagnetic valve emergency back descending control circuit; the electromagnetic valve emergency back-down control circuit is connected with a direct-current power supply end of the electromagnetic valve emergency back-up control circuit;
the solenoid valve emergency back-down control circuit comprises a solenoid valve emergency back-down relay coil, a solenoid valve emergency back-down relay first contact, a solenoid valve emergency back-down relay second contact, a back-down pull-up resistor and a back-down diode;
the first end of the solenoid valve emergency back-falling relay coil is connected with the power supply, and the second end of the solenoid valve emergency back-falling relay coil is connected with the first end of the solenoid valve emergency back-falling relay second contact, so that electricity is obtained after the solenoid valve emergency back-falling control button is pressed;
the first end of the back drop pull-up resistor is a direct current power supply end of the electromagnetic valve emergency back drop control circuit, and the second end of the back drop pull-up resistor is connected with the anode of the back drop diode, the cathode of the back drop control electromagnetic valve and the first end of the first contact of the electromagnetic valve emergency back drop relay; the cathode of the back drop diode is connected with the direct current power supply end of the back drop control electromagnetic valve;
The second end of the first contact of the solenoid valve emergency back-drop relay is grounded and is used for being closed when the solenoid valve emergency back-drop relay coil is powered on; the first end of the second contact of the solenoid valve emergency back-down relay is connected with the second end of the solenoid valve emergency back-up relay coil, and the second end of the second contact is connected with the first end of the solenoid valve emergency back-up control button and is used for being disconnected when the solenoid valve emergency back-down relay coil is powered on;
the back-falling control electromagnetic valve is used for controlling the back of the operating table to fall when the negative electrode of the back-falling control electromagnetic valve is grounded.
3. The operating table emergency control circuit of claim 1, wherein the emergency control button comprises an oil pump emergency control button having a second end grounded; the emergency control circuit comprises an oil pump emergency control circuit; the operating table position control equipment comprises an oil pump with a grounded negative electrode;
the oil pump emergency control circuit comprises an oil pump emergency control relay and an oil pump emergency control relay contact;
the first end of the oil pump emergency control relay is connected with the power supply, and the second end of the oil pump emergency control relay is connected with the first end of the oil pump emergency control button and is used for obtaining electricity when the oil pump emergency control button is pressed;
The first end of the oil pump emergency control relay contact is connected with the positive electrode of the oil pump, and the second end of the oil pump emergency control relay contact is connected with the power supply and is used for being closed after the oil pump emergency control relay is powered on;
the oil pump is used for controlling the body position change of the operating table when the anode of the oil pump is connected with the power supply.
4. The operating table emergency control circuit according to claim 1, wherein the operating table further comprises an operating table main control circuit for controlling the operating table position control device based on a user's instruction in normal operation to adjust a position change of the operating table and outputting a main control holding signal through a switching control terminal thereof; the first end of the emergency control button and the grounding end of the emergency control circuit are connected with a first ground wire; the grounding end of the operating table position control equipment is connected with a second ground wire; the first ground wire is not connected with the second ground wire, and the electric level is suspended;
the operating table emergency control circuit further comprises:
an emergency switching control circuit, an emergency switching relay and an emergency switching relay contact;
the first end of the emergency switching control circuit is connected with the switching control end of the operating table main control circuit, and the second end of the emergency switching control circuit is connected with the second end of the emergency switching relay, and is used for enabling the second end level of the emergency switching control circuit to be set to be low level when the main control maintaining signal is received and enabling the second end level of the emergency switching relay to be suspended when the main control maintaining signal is not received;
The first end of the emergency switching relay is connected with the power supply, and is used for obtaining electricity when the level of the second end of the emergency switching relay is low, and losing electricity when the level of the second end of the emergency switching relay is suspended;
the first end of the emergency switching relay contact is connected with the first ground wire, the second end of the emergency switching relay contact is connected with the second ground wire and used for being disconnected when the emergency switching relay is powered on, and the emergency switching relay is closed when the emergency switching relay is powered off.
5. The operating table emergency control circuit of claim 4, wherein the emergency switching control circuit comprises a first emergency switching resistor, a second emergency switching resistor, a third emergency switching resistor, a triode, and a MOS transistor;
the first end of the first emergency switching resistor is connected with the switching control end of the operating table main control circuit and the first end of the second emergency switching resistor, and the second end of the first emergency switching resistor is grounded;
the second end of the second emergency switching resistor is connected with the base electrode of the triode;
the collector of the triode is connected with a direct current power supply, and the emitter is connected with the first end of the third emergency switching resistor and the grid electrode of the MOS tube;
the second end of the third emergency switching resistor is connected with the source electrode of the MOS tube and grounded;
And the drain electrode of the MOS tube is connected with the second end of the emergency switching relay.
6. The operating table emergency control circuit of claim 1, wherein the power source comprises a battery and/or a power conversion circuit;
the power supply conversion circuit is used for converting alternating current into direct current so as to supply power for the emergency control circuit and the operating table position control equipment.
7. An operating table comprising an operating table emergency control circuit as claimed in any one of claims 1 to 6.
8. The surgical table of claim 7, further comprising an operating table master control circuit; the operating table main control circuit comprises a hand controller, a main control board and a main driving circuit;
the hand controller is used for receiving an operating table position adjusting instruction of a user;
the main control board is connected with the hand controller and is used for outputting an operating table position adjustment control signal according to the operating table position adjustment instruction;
the main driving circuit is arranged between the main control board and the operating table position control equipment and is used for controlling the operating table position control equipment to adjust the position of the operating table based on the operating table position adjustment control signal.
9. The surgical table of claim 8, wherein the surgical table position control apparatus comprises a back lift control solenoid, a back drop control solenoid, and an oil pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211108934.8A CN115337171B (en) | 2022-09-13 | 2022-09-13 | Emergency control circuit for operating table and operating table |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211108934.8A CN115337171B (en) | 2022-09-13 | 2022-09-13 | Emergency control circuit for operating table and operating table |
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| CN115337171A CN115337171A (en) | 2022-11-15 |
| CN115337171B true CN115337171B (en) | 2024-02-23 |
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| CN202211108934.8A Active CN115337171B (en) | 2022-09-13 | 2022-09-13 | Emergency control circuit for operating table and operating table |
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| CN110236856A (en) * | 2019-06-18 | 2019-09-17 | 宁波科艺医疗器械有限公司 | Automatically controlled and mechanical dual control operating table and its working method |
| EP3706101A1 (en) * | 2019-03-04 | 2020-09-09 | Covidien LP | Low cost dual console training system for robotic surgical system or robotic surgical simulator |
| CN214073950U (en) * | 2020-12-19 | 2021-08-31 | 山东新华医疗器械股份有限公司 | Control system of electric hydraulic operating table |
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| CN102727358A (en) * | 2011-04-07 | 2012-10-17 | 马克·代尔 | Surgery table having coordinated motion |
| CN102400455A (en) * | 2011-11-24 | 2012-04-04 | 武汉船用机械有限责任公司 | Emergency controller for lifting ocean platform |
| CN103610557A (en) * | 2013-12-05 | 2014-03-05 | 玉林市科邦技术服务有限公司 | Plane moving device of operating table top |
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| CN115337171A (en) | 2022-11-15 |
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