CN209818266U - Multifunctional air pump for bedsore-proof inflatable mattress - Google Patents
Multifunctional air pump for bedsore-proof inflatable mattress Download PDFInfo
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- CN209818266U CN209818266U CN201920048578.2U CN201920048578U CN209818266U CN 209818266 U CN209818266 U CN 209818266U CN 201920048578 U CN201920048578 U CN 201920048578U CN 209818266 U CN209818266 U CN 209818266U
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Abstract
The utility model discloses a multi-functional bedsore prevention air pump for air mattress, including the casing, be used for the power cord of connecting, the casing includes matched with drain pan and epitheca, be equipped with the joint of giving vent to anger on the casing, be equipped with the pump body, pneumatic valve, motor, PCB control panel in the casing, be connected through the air duct between the pump body and the pneumatic valve, the pneumatic valve is connected through the air duct with giving vent to anger between the joint, motor power output to pneumatic valve, the PCB control panel respectively with the pump body, motor signal connection, it is equipped with control knob to correspond PCB control panel matched with on the casing. By adopting the technical scheme, as the control knob which is in control connection with the control mechanism is arranged on the outer side of the shell, the nursing staff can adjust the motor by adjusting the control knob, and the use is more convenient.
Description
Technical Field
The utility model relates to an inflator pump technical field specifically indicates a multi-functional bedsore prevention air pump for air mattress.
Background
The pressure local blood circulation of the long-term bedridden patient is worsened and the ventilation is poor due to the long-term compression of the force points of the human body and the bed, thereby bedsore is generated. The air pump is used for inflating the inflatable mattress to disperse the local pressure of the human body and the force points of the bed and alternately change the force points, so that the bedsore prevention and treatment device has a very good effect on long-term bedridden patients.
The air pump in the prior art is provided with an inflation valve on an air outlet pipe of the inflation air pump, a valve motor for controlling the inflation valve is arranged on the inflation valve, alternate inflation or deflation of the inflation valve is realized through rotation of a valve cover of the valve, the hardness and softness of an inflation air cushion are adjusted through the rotation speed of a pump core motor of a pump body, and the valve motor and the pump core motor are controlled by knobs positioned on the outer side of a shell.
The air pump with the structure has the following defects: firstly, the air pump adjusted by the knob is only adjusted by the nursing staff, the patient paralyzed in the bed can not adjust by himself when the patient wants to turn over, get up the back, sleep and fluctuate the air cushion, the workload of the nursing staff is increased only by informing the nursing staff to adjust, if the nursing staff is absent, the patient can only endure, and the comfort level of the patient is reduced; secondly, the number of patients nursed by one nursing staff is small, and the labor intensity of the nursing staff is high.
SUMMERY OF THE UTILITY MODEL
The to-be-solved problem of the utility model is to provide a multi-functional bedsore prevention air pump for air mattress, the function is various, application scope is wide, the patient can adjust by oneself, convenient to use, patient's comfort level is good, nursing staff nurses easily.
In order to solve the technical problem, the utility model discloses a technical scheme does:
the utility model provides a multi-functional prevent bedsore air pump for air mattress, includes the casing, is used for the power cord of connecting, the casing includes matched with drain pan and epitheca, be equipped with the joint of giving vent to anger on the casing, be equipped with the pump body, pneumatic valve, motor, PCB control panel in the casing, be connected through the air duct between the pump body and the pneumatic valve, the pneumatic valve is connected through the air duct with giving vent to anger between the joint, motor power output to pneumatic valve, the PCB control panel respectively with the pump body, motor signal connection, it is equipped with control knob to correspond PCB control panel matched with on the casing.
Still including the remote controller that is used for remote control, signal connection has infrared receiver on the PCB controller, carries out signal transmission through far infrared between remote controller and the infrared receiver.
Preferably, the PCB control board includes an AC-to-DC circuit for providing direct current to each module, a pump control circuit for controlling the operation of the pump, a motor control circuit for controlling the operation of the motor, a shift switch control circuit for controlling the gas output of the pump, a sleep switch control circuit for controlling the delayed closing of the pump, a remote controller control circuit for converting a control signal of the remote controller, and a zero-crossing detection circuit for detecting a zero point of positive and negative phase changes of AC alternating current.
Preferably, the pump body control circuit comprises a relay J1, a relay J2, a capacitor C5, a capacitor C6, a resistor R1, a resistor R2, a resistor R3, a resistor R7, a silicon controlled rectifier Q1 and an NPN type triode Q3, the relay J1 is provided with a first interface and a second interface which are respectively connected with a zero line and a phase line of alternating current, the capacitor C5 is connected in parallel with the relay J1, both ends of the resistor R1 and the capacitor C6 are respectively connected with an anode and a cathode of a silicon controlled rectifier Q1 after being connected in series, the anode of the silicon controlled rectifier Q1 is connected with the second interface of the relay J1, the cathode of the silicon controlled rectifier Q1 is connected with the second interface of the relay J2, the first interface of the relay J2 is connected with the first interface of the relay J1, the control electrode of the silicon controlled rectifier Q1 is connected with one end of the resistor R1, the other end of the resistor R1 is connected with one end of the resistor R, 12V voltage output by the other end of the resistor R3 is transmitted to a load, the other end of the resistor R2 is connected with a collector of an NPN type triode Q3, a base of the NPN type triode Q3 is connected with one end of the resistor R7, an emitter of the NPN type triode Q3 is grounded, the other end of the resistor R7 is connected to a gear switch control circuit, the resistances of the resistor R1, the resistor R2 and the resistor R3 are all 1K, and the resistance of the resistor R7 is 4.7K.
Preferably, the motor control circuit comprises a relay J3, a capacitor C9, a resistor R6, a resistor R11, a resistor R13, a resistor R12, a silicon controlled rectifier Q2, and an NPN type triode Q5, wherein both ends of the resistor R6 and the capacitor C9 after being connected in series are respectively connected with an anode and a cathode of a silicon controlled rectifier Q2, an anode of the silicon controlled rectifier Q2 is connected to a second interface of a relay J3, a cathode of the silicon controlled rectifier Q2 is connected to a second interface of a relay J3, a first interface of the relay J3 is connected with an ac neutral line, an anode of the silicon controlled rectifier Q2 is connected with an ac phase line, a control electrode of the silicon controlled rectifier Q2 is connected with one end of the resistor R11, the other end of the resistor R11 is connected with one end of a resistor R13, the other end of the resistor R13 is connected with an output 12V voltage to a load, the other end of the resistor R11 is connected with a collector of the, the base electrode of the NPN type triode Q5 is connected with one end of a resistor R12, the emitting electrode of the NPN type triode Q5 is grounded, the other end of the resistor R12 is connected to a gear switch control circuit, the resistance values of the resistor R6, the resistor R11 and the resistor R13 are all 1K, and the resistance value of the resistor R12 is 4.7K.
Preferably, the gear switch control circuit comprises a resistor RA1, a resistor RA2 and an integrated chip U1, wherein an IO5 connection terminal on the integrated chip U1 is connected with the other end of the resistor R7, an IO8 connection terminal on the integrated chip U1 is connected with the other end of the resistor R12, an eighth connection terminal on the integrated chip U1 is grounded, one end of the resistor RA1 is connected with an IO4 connection terminal on the integrated chip U1, a sixth connection terminal on the integrated chip U1 outputs 5V voltage, one end of the resistor RA2 is connected with an IO5 connection terminal on the integrated chip U1, and the other ends of the resistor RA1 and the resistor RA2 output 5V voltage.
Preferably, the sleep switch control circuit comprises a limit switch J7, a sleep switch J8 and a resistor RA3, a first connection end of the limit switch J7 is connected with an IO4 connection end of the integrated chip U1, a second connection end of the limit switch J7 is connected with a second connection end of the sleep switch J8 and grounded, a third connection end of the sleep switch J8 is connected with an IO5 connection end of the integrated chip U1, a first connection end of the sleep switch J8 is connected with one end of the resistor RA3, and the other end of the resistor RA3 outputs 5V voltage.
Preferably, the remote controller control circuit comprises a remote control switch J6, a first connection terminal on the remote control switch J6 outputs 5V voltage, a second connection terminal on the remote control switch J6 is connected with a signal transmission line TX, a third connection terminal on the remote control switch J6 is connected with a signal reception line RX, a fourth connection terminal on the remote control switch J6 is grounded, and a fifth connection terminal on the remote control switch J6 is connected with an IO10 connection terminal on the integrated chip U1.
Preferably, the zero-cross detection circuit comprises a zener diode D2, a resistor R14, a resistor R15, a capacitor C10, an NPN-type triode Q4, a resistor R9, and a resistor R10, wherein an anode of the zener diode D2 is connected to a phase line of alternating current, a cathode of the zener diode D2 is connected to one end of a resistor R14, the other end of the resistor R14 is connected to a base of the NPN-type triode Q4, one end of the resistor R15 connected in parallel with the capacitor C10 is connected to a base of the NPN-type triode Q4, the resistor R15 connected in parallel with the capacitor C10 is connected to the other end of the resistor R10, an emitter of the NPN-type triode Q42 is connected to ground, one ends of the resistor R9 and the resistor R9 are both connected to a collector of the NPN-type triode Q4, the other end of the resistor R9 outputs 5V voltage, and the other end of the resistor R10.
Preferably, a hook is arranged below the bottom shell.
The utility model has the following characteristics and beneficial effect:
by adopting the technical scheme, through remote control, when a patient needs to turn over, back up, sleep or fluctuation of an air cushion, the patient can easily realize various functions through the remote control keys on the remote controller, so that the labor intensity of nursing personnel is reduced, the patient can adjust according to the needs of the patient at any time, the discomfort of the patient is relieved, and the use is more convenient; for patients who cannot use the remote controller, nursing staff can directly realize a plurality of requirements of the patients through the remote controller, so that each nursing staff can nurse more patients, and the nursing cost is greatly reduced; because the control knob is arranged on the outer side of the shell and is in control connection with the control mechanism, a nursing staff can adjust the motor by adjusting the control knob, and the use is more convenient.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 shows an AC-to-DC circuit in the control circuit of the present invention.
Fig. 3 is a pump body control circuit in the middle control circuit of the present invention.
Fig. 4 is a motor control circuit in the middle control circuit of the present invention.
Fig. 5 is a control circuit of the gear switch in the middle control circuit of the present invention.
Fig. 6 is a sleep switch control circuit in the middle control circuit of the present invention.
Fig. 7 is a remote controller control circuit in the control circuit of the present invention.
Fig. 8 is a zero-crossing detection circuit in the middle control circuit of the present invention.
In the figure, 1-power line, 2-upper shell, 3-pump body, 4-air valve, 5-motor, 6-air duct, 7-air outlet joint, 8-fuse, 9-infrared receiver, 10-PCB control panel, 11-control knob, 12-bottom shell, 13-hook.
Detailed Description
The following describes the present invention with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
The utility model provides a multi-functional bedsore prevention air pump for air mattress, as shown in fig. 1, including the casing, be used for connecting power cord 1, the casing includes matched with drain pan 12 and epitheca 2, be equipped with on the casing and give vent to anger and connect 7, be equipped with the pump body 3, pneumatic valve 4, motor 5, PCB control panel 10 in the casing, be connected through air duct 6 between the pump body 3 and the pneumatic valve 4, pneumatic valve 4 and give vent to anger connect between 7 and be connected through air duct 6, 5 power take off to pneumatic valve 4 of motor, PCB control panel 10 respectively with the pump body 3, motor 5 signal connection, it is equipped with control knob 11 to correspond PCB control panel 10 matched with on the casing.
Among the above-mentioned technical scheme, because the casing outside be provided with control mechanism control connection's control knob, the nursing staff can also adjust the motor through the regulation control knob, and it is more convenient to use.
And a hook 13 is arranged below the bottom shell 2, so that the placement is more convenient.
Further, the remote controller for remote control is further included, the PCB controller 10 is connected with an infrared receiver 9 through signals, and the remote controller and the infrared receiver 9 are in signal transmission through far infrared rays. Through remote control, when a patient needs to turn over, back up, sleep or the air cushion fluctuates, the patient can easily realize various functions through a remote control key on a remote controller, so that the labor intensity of nursing personnel is reduced, the patient can adjust according to the needs of the patient at any time, the discomfort of the patient is relieved, and the use is more convenient; to the patient that can not use the remote controller, the nursing staff can directly realize a plurality of demands of patient through the remote controller, like this, every nursing staff can nurse more patients, greatly reduced the nursing cost.
Specifically, the PCB control board includes an AC-to-DC circuit for providing direct current to each module, a pump control circuit for controlling operation of the pump, a motor control circuit for controlling operation of the motor, a shift switch control circuit for controlling gas output of the pump, a sleep switch control circuit for controlling delayed closing of the pump, a remote controller control circuit for converting a control signal of the remote controller, and a zero-crossing detection circuit for detecting a zero point of positive and negative phase changes of AC alternating current.
It can be understood that, as shown in fig. 2, in the AC to DC circuit, AC 220V AC voltage is converted into DC voltage through the bridge stack, and then is filtered by the filter capacitor to be converted into smooth DC voltage to supply power to each functional module. Are conventional circuits and are therefore not described in detail in this application.
The utility model discloses a further setting, as shown in fig. 3, pump body control circuit includes relay J1, relay J2, electric capacity C5, electric capacity C6, resistance R1, resistance R2, resistance R3, resistance R7, silicon controlled rectifier Q1, NPN type triode Q3, be equipped with the first interface and the second interface of connecting the zero line and the phase line of alternating current respectively on the relay J1, electric capacity C5 is parallelly connected with relay J1, both ends are connected with the positive pole and the negative pole of silicon controlled rectifier Q1 respectively after resistance R1 and electric capacity C6 establish ties, the positive pole of silicon controlled rectifier Q1 is connected to the second interface of relay J1, the negative pole of silicon controlled rectifier Q1 is connected to the second interface on relay J2, the first interface on relay J2 is connected with the first interface of relay J1, the control pole of silicon controlled rectifier Q1 is connected with one end of resistance R2, the other end of the resistor R2 is connected with one end of a resistor R3, 12V voltage output by the other end of the resistor R3 is transmitted to a load, the other end of the resistor R2 is connected with a collector of an NPN triode Q3, a base of the NPN triode Q3 is connected with one end of a resistor R7, an emitter of the NPN triode Q3 is grounded, the other end of the resistor R7 is connected to a gear switch control circuit, resistance values of the resistor R1, the resistor R2 and the resistor R3 are all 1K, and resistance value of the resistor R7 is 4.7K.
In the technical scheme, the pump body control circuit adopts 220V power supply, and the air output of the air pump is controlled through the gear switch and the silicon controlled rectifier.
In a further arrangement of the present invention, as shown in fig. 4, the motor control circuit includes a relay J3, a capacitor C9, a resistor R6, a resistor R11, a resistor R13, a resistor R12, a silicon controlled rectifier Q2, and an NPN type triode Q5, wherein both ends of the resistor R6 and the capacitor C9 are connected in series and are respectively connected to an anode and a cathode of the silicon controlled rectifier Q2, an anode of the silicon controlled rectifier Q2 is connected to a second interface of the relay J3, a cathode of the silicon controlled rectifier Q2 is connected to a second interface of the relay J3, a first interface of the relay J3 is connected to an ac neutral line, an anode of the silicon controlled rectifier Q2 is connected to an ac phase line, a control electrode of the silicon controlled rectifier Q2 is connected to one end of the resistor R11, the other end of the resistor R11 is connected to one end of the resistor R13, and the other end of the resistor R13 is connected to output 12, the other end of the resistor R11 is connected with a collector of an NPN type triode Q5, a base of the NPN type triode Q5 is connected with one end of a resistor R12, an emitting electrode of the NPN type triode Q5 is grounded, the other end of the resistor R12 is connected with a gear switch control circuit, resistance values of the resistor R6, the resistor R11 and the resistor R13 are all 1K, and resistance value of the resistor R12 is 4.7K.
In the technical scheme, the motor control circuit adopts AC 220V power supply, and the work of the motor is controlled through the gear switch and the silicon controlled rectifier.
The utility model discloses a further setting, as shown in fig. 5, gear switch control circuit includes resistance RA1, resistance RA2, integrated chip U1, IO5 link on the integrated chip U1 is connected with resistance R7's the other end, IO8 link on the integrated chip U1 is connected with resistance R12's the other end, eighth link ground connection on the integrated chip U1, resistance RA 1's one end is connected with IO4 link on the integrated chip U1, 5V voltage is exported to the sixth link on the integrated chip U1, resistance RA 2's one end is connected with the IO5 link on the integrated chip U1, 5V voltage is exported to resistance RA1, resistance RA 2's the other end.
Among the above-mentioned technical scheme, gear switch control circuit adopts direct current 5V power supply, and the air output of optional gear control air pump, 4 grades of alternatives.
The utility model discloses a further setting, as shown in fig. 6, sleep switch control circuit includes limit switch J7, sleep switch J8, resistance RA3, IO4 link on the integrated chip U1 is connected to the first link on the limit switch J7, second link on the limit switch J7 is connected and ground connection with the second link on the sleep switch J8, third link on the sleep switch J8 is connected with IO5 link on the integrated chip U1, first link on the sleep switch J8 is connected with resistance RA 3's one end, resistance RA 3's other end output 5V voltage.
In the technical scheme, the sleep switch control circuit adopts direct current 5V power supply, the air pump air output is controlled to be the highest after the sleep switch is turned on, and the motor is turned off.
The utility model discloses a further setting, as shown in FIG. 7, remote controller control circuit includes remote control switch J6, first link output 5V voltage on the remote control switch J6, second link connection signal transmission line TX on the remote control switch J6, third link connection signal receiving line RX on the remote control switch J6, fourth link ground connection on the remote control switch J6, IO10 link on the integrated chip U1 is connected to the fifth link on the remote control switch J6.
In the technical scheme, the remote controller control circuit adopts direct current 5V power supply, works at 2.4GHz, and has low power consumption and long transmission distance.
The utility model discloses a further setting, as shown in fig. 8, zero cross detection circuit includes zener diode D2, resistance R14, resistance R15, electric capacity C10, NPN type triode Q4, resistance R9, resistance R10, the anodal phase line of alternating current of connecting of zener diode D2, one end of resistance R14 is connected to zener diode D2's negative pole, the other end of resistance R14 is connected with NPN type triode Q4's base, resistance R15 is connected with the parallelly connected back one end of electric capacity C10 and is connected with NPN type triode Q4's base, resistance R15 and the parallelly connected back other end ground connection of electric capacity C10, NPN type triode Q4's emitter ground, the one end of resistance R9 and resistance R10 all is connected to NPN type triode Q4's collecting electrode, the other end of resistance R9 outputs 5V voltage, the other end of resistance R10 is connected with the INTO link on the integrated chip U1.
In the technical scheme, the zero-crossing detection circuit detects the zero point of the positive and negative phase change of the AC, so that the silicon controlled rectifier can work in both the positive and negative phases of the AC.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments, including the components, without departing from the principles and spirit of the invention, and still fall within the scope of the invention.
Claims (10)
1. The utility model provides a multi-functional prevent bedsore air pump for air mattress, includes the casing, is used for the power cord of connecting, the casing includes matched with drain pan and epitheca, be equipped with the joint of giving vent to anger on the casing, its characterized in that, be equipped with the pump body, pneumatic valve, motor, PCB control panel in the casing, be connected through the air duct between the pump body and the pneumatic valve, the pneumatic valve is connected through the air duct with giving vent to anger between the joint, motor power output to pneumatic valve, the PCB control panel respectively with the pump body, motor signal connection, it is equipped with control knob to correspond PCB control panel matched with on the casing.
2. The air pump for the multifunctional anti-bedsore inflatable mattress according to claim 1, further comprising a remote controller for remote control, wherein the PCB controller is connected with an infrared receiver through signals, and the remote controller and the infrared receiver are in signal transmission through far infrared rays.
3. The air pump for the multifunctional bedsore-proof inflatable mattress according to claim 2, wherein the PCB control board comprises an AC-to-DC circuit for supplying direct current to each module, a pump body control circuit for controlling the operation of the pump body, a motor control circuit for controlling the operation of the motor, a gear switch control circuit for controlling the air output of the pump body, a sleep switch control circuit for controlling the delayed closing of the pump body, a remote controller control circuit for converting a control signal of the remote controller, and a zero-crossing detection circuit for detecting a zero point of the positive and negative phase change of AC alternating current.
4. The air pump for the multifunctional bedsore-proof inflatable mattress according to claim 3, wherein the pump body control circuit comprises a relay J1, a relay J2, a capacitor C5, a capacitor C6, a resistor R1, a resistor R2, a resistor R3, a resistor R7, a silicon controlled rectifier Q1 and an NPN type triode Q3, the relay J1 is provided with a first interface and a second interface which are respectively connected with a zero line and a phase line of alternating current, the capacitor C5 is connected with the relay J1 in parallel, two ends of the resistor R1 and the capacitor C6 which are connected in series are respectively connected with an anode and a cathode of a silicon controlled rectifier Q1, an anode of the silicon controlled rectifier Q1 is connected with the second interface of the relay J1, a cathode of the silicon controlled rectifier Q1 is connected with the second interface of the relay J2, the first interface of the relay J2 is connected with the first interface of the relay J1, a control electrode of the silicon controlled rectifier Q1 is connected with one end of a resistor R2, the other end of the resistor R2 is connected with one end of a resistor R3, 12V voltage output by the other end of the resistor R3 is transmitted to a load, the other end of the resistor R2 is connected with a collector of an NPN triode Q3, a base of the NPN triode Q3 is connected with one end of a resistor R7, an emitter of the NPN triode Q3 is grounded, the other end of the resistor R7 is connected to a gear switch control circuit, resistance values of the resistor R1, the resistor R2 and the resistor R3 are all 1K, and resistance value of the resistor R7 is 4.7K.
5. The air pump for the multifunctional bedsore-proof inflatable mattress according to claim 4, wherein the motor control circuit comprises a relay J3, a capacitor C9, a resistor R6, a resistor R11, a resistor R13, a resistor R12, a silicon controlled rectifier Q2 and an NPN type triode Q5, two ends of the resistor R6 and the capacitor C9 are respectively connected with the anode and the cathode of a silicon controlled rectifier Q2 after being connected in series, the anode of the silicon controlled rectifier Q2 is connected to the second interface of the relay J3, the cathode of the silicon controlled rectifier Q2 is connected to the second interface of the relay J3, the first interface of the relay J3 is connected with alternating current, the anode of the silicon controlled rectifier Q2 is connected with the phase line of alternating current, the control electrode of the silicon controlled rectifier Q2 is connected with one end of the resistor R11, the other end of the resistor R11 is connected with one end of the resistor R13, the other end of the resistor R13 is connected with the output 12V voltage to a, the other end of the resistor R11 is connected with a collector of an NPN type triode Q5, a base of the NPN type triode Q5 is connected with one end of a resistor R12, an emitting electrode of the NPN type triode Q5 is grounded, the other end of the resistor R12 is connected with a gear switch control circuit, resistance values of the resistor R6, the resistor R11 and the resistor R13 are all 1K, and resistance value of the resistor R12 is 4.7K.
6. The air pump for the multifunctional bedsore-proof inflatable mattress according to claim 5, wherein the shift switch control circuit comprises a resistor RA1, a resistor RA2 and an integrated chip U1, the IO5 connection end on the integrated chip U1 is connected with the other end of the resistor R7, the IO8 connection end on the integrated chip U1 is connected with the other end of the resistor R12, the eighth connection end on the integrated chip U1 is grounded, one end of the resistor RA1 is connected with the IO4 connection end on the integrated chip U1, the sixth connection end on the integrated chip U1 outputs 5V voltage, one end of the resistor RA2 is connected with the IO5 connection end on the integrated chip U1, and the other ends of the resistor RA1 and the resistor RA2 output 5V voltage.
7. The air pump for the multifunctional bedsore-proof inflatable mattress according to claim 6, wherein the sleep switch control circuit comprises a limit switch J7, a sleep switch J8 and a resistor RA3, wherein a first connection end on the limit switch J7 is connected with an IO4 connection end on the integrated chip U1, a second connection end on the limit switch J7 is connected with a second connection end on the sleep switch J8 and grounded, a third connection end on the sleep switch J8 is connected with an IO5 connection end on the integrated chip U1, a first connection end on the sleep switch J8 is connected with one end of the resistor RA3, and the other end of the resistor RA3 outputs 5V voltage.
8. The air pump for the multifunctional bedsore-proof inflatable mattress according to claim 6, wherein the remote controller control circuit comprises a remote control switch J6, the first connection terminal of the remote control switch J6 outputs 5V voltage, the second connection terminal of the remote control switch J6 is connected with the signal transmission line TX, the third connection terminal of the remote control switch J6 is connected with the signal receiving line RX, the fourth connection terminal of the remote control switch J6 is grounded, and the fifth connection terminal of the remote control switch J6 is connected with the IO10 connection terminal of the integrated chip U1.
9. The air pump for a multifunctional bedsore-proof inflatable mattress according to claim 6, characterized in that, the zero-crossing detection circuit comprises a voltage stabilizing diode D2, a resistor R14, a resistor R15, a capacitor C10, an NPN type triode Q4, a resistor R9 and a resistor R10, the anode of the voltage stabilizing diode D2 is connected with the phase line of alternating current, the cathode of the voltage stabilizing diode D2 is connected with one end of a resistor R14, the other end of the resistor R14 is connected with the base electrode of an NPN type triode Q4, one end of the resistor R15 is connected with the base electrode of the NPN type triode Q4 after the resistor R15 is connected with the capacitor C10 in parallel, the resistor R15 is connected with the capacitor C10 in parallel, then the other end is grounded, the emitter of the NPN type triode Q4 is grounded, one end of the resistor R9 and one end of the resistor R10 are both connected to the collector of the NPN type triode Q4, the other end of the resistor R9 outputs 5V voltage, and the other end of the resistor R10 is connected with an INTO connecting end on the integrated chip U1.
10. The air pump for a multifunctional bedsore-proof inflatable mattress according to any of claims 1-9, characterized in that a hook is arranged under the bottom shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920048578.2U CN209818266U (en) | 2019-01-11 | 2019-01-11 | Multifunctional air pump for bedsore-proof inflatable mattress |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920048578.2U CN209818266U (en) | 2019-01-11 | 2019-01-11 | Multifunctional air pump for bedsore-proof inflatable mattress |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209818266U true CN209818266U (en) | 2019-12-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920048578.2U Expired - Fee Related CN209818266U (en) | 2019-01-11 | 2019-01-11 | Multifunctional air pump for bedsore-proof inflatable mattress |
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| Country | Link |
|---|---|
| CN (1) | CN209818266U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112220653A (en) * | 2020-05-23 | 2021-01-15 | 东莞市佳栓实业有限公司 | Massage cushion with inflation and deflation effects and preparation method thereof |
-
2019
- 2019-01-11 CN CN201920048578.2U patent/CN209818266U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112220653A (en) * | 2020-05-23 | 2021-01-15 | 东莞市佳栓实业有限公司 | Massage cushion with inflation and deflation effects and preparation method thereof |
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