CN215126466U - Mute control device of electric bed - Google Patents

Mute control device of electric bed Download PDF

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CN215126466U
CN215126466U CN202120685381.7U CN202120685381U CN215126466U CN 215126466 U CN215126466 U CN 215126466U CN 202120685381 U CN202120685381 U CN 202120685381U CN 215126466 U CN215126466 U CN 215126466U
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electric bed
circuit
mos
mos transistor
mos circuit
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刘盛荣
王想
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Abstract

The embodiment of the application provides a silence control device of beddo, relates to silence control technical field. The mute control device of the electric bed comprises a wireless remote control receiving module, a main control chip, a current detection/overcurrent protection MOS circuit, a main motor drive MOS circuit and a massage motor drive MOS circuit; the wireless remote control receiving module is connected with the main control chip; the main control chip is respectively connected with the current detection/overcurrent protection MOS circuit, the main motor drive MOS circuit and the massage motor drive MOS circuit; the current detection/overcurrent protection MOS circuit is connected with the main motor drive MOS circuit; the main motor driving MOS circuit is connected with a main motor of the electric bed; the massage motor driving MOS circuit is connected with a massage motor of the electric bed. The mute control device of the electric bed can reduce the noise of the electric bed and realize the technical effect of completely muting the controller of the electric bed.

Description

Mute control device of electric bed
Technical Field
The application relates to the technical field of mute control, in particular to a mute control device of an electric bed.
Background
At present, with the development of social economy and the improvement of the living standard of people, the requirements of people on bed functions are higher and higher, so that electric beds are more and more appeared in places such as families, hospitals and nursing homes, the electric beds can help old people and patients to sit up or lie down or lift up a certain part of the body, the height of the head or the feet of a bed board can be electrically controlled, bed frames capable of freely adjusting the bending degree of the bed board are divided into a skeleton frame and a bed board type, the skeleton frame is called as an European electric bed, and the bed board type is called as an American electric bed. The mobile device can be connected with a remote control nowadays, which is generally common in household or medical care use, according to the requirement that a vibration or music function can be configured.
In the prior art, a controller of an electric bed uses a relay as an actuating mechanism, but the relay has loud sound in the switching process; some beddo have designed the solution starting from the structure in order to reduce the noise, i.e. use the mode of isolation to fall the noise, but general effect is not good, can not completely insulate noise and the structure is complicated.
SUMMERY OF THE UTILITY MODEL
An object of the embodiment of the present application is to provide a mute control apparatus for an electric bed, which can reduce noise of the electric bed and achieve a technical effect of completely muting a controller of the electric bed.
The embodiment of the application provides a mute control device of an electric bed, which comprises a wireless remote control receiving module, a main control chip, a current detection/overcurrent protection MOS circuit, a main motor driving MOS circuit and a massage motor driving MOS circuit;
the wireless remote control receiving module is connected with the main control chip;
the main control chip is respectively connected with the current detection/overcurrent protection MOS circuit, the main motor drive MOS circuit and the massage motor drive MOS circuit;
the current detection/overcurrent protection MOS circuit is connected with the main motor drive MOS circuit;
the main motor driving MOS circuit is connected with a main motor of the electric bed;
the massage motor driving MOS circuit is connected with a massage motor of the electric bed.
In the implementation process, the mute control device of the electric bed takes the MOS circuit as a driving circuit, namely the MOS circuit is driven by the main motor and the MOS circuit is driven by the massage motor to respectively control the main motor and the massage motor of the electric bed to operate, the MOS tube is used for replacing the relay to be taken as an actuating mechanism, and no noise is generated when the control device works, so that the noise generated by the controller of the electric bed when the relay is used is eliminated, and the effect of full mute is achieved; therefore, the mute control device of the electric bed can reduce the noise of the electric bed and realize the technical effect of completely muting the controller of the electric bed.
Further, the main motor driving MOS circuit is an H-bridge driving circuit.
In the implementation process, the main motor of the electric bed has positive and negative rotation control requirements, the lifting and lowering functions of the electric bed are respectively realized, and the positive and negative rotation of the main motor can be conveniently controlled by adopting an H-bridge type driving circuit.
Further, the H-bridge driving circuit includes a first P-type MOS transistor, a second P-type MOS transistor, a first N-type MOS transistor, and a second N-type MOS transistor, and the main control chip includes a first control arm and a second control arm;
the grid electrode of the first P-type MOS tube and the grid electrode of the first N-type MOS tube are respectively connected with the first control arm, and the grid electrode of the second P-type MOS tube and the grid electrode of the second N-type MOS tube are respectively connected with the second control arm;
the source electrode of the first P-type MOS tube and the source electrode of the second P-type MOS tube are respectively connected with a power supply, and the source electrode of the first N-type MOS tube and the source electrode of the second N-type MOS tube are grounded;
the drain electrode of the first P-type MOS tube and the drain electrode of the first N-type MOS tube are respectively connected with the first end of the main motor, and the drain electrode of the second P-type MOS tube and the drain electrode of the second N-type MOS tube are respectively connected with the second end of the main motor.
Further, massage motor drive MOS circuit includes first MOS pipe, main control chip includes the third control arm, the grid connection of first MOS pipe the third control arm, the source connection power of first MOS pipe, the drain connection of first MOS pipe the massage motor.
Further, the device also comprises a lamp strip driving MOS circuit, and the lamp strip driving MOS circuit is connected with a lamp strip of the electric bed.
In the implementation process, the lamp strip of the electric bed can play a role in prompting the working state of the electric bed; the lighting state of the lamp belt can be controlled by the lamp belt driving MOS circuit, and the technical effect of mute control is achieved.
Further, the lamp area drive MOS circuit includes the second MOS pipe, main control chip includes the fourth control arm, the grid connection of second MOS pipe the fourth control arm, the source connection power of second MOS pipe, the drain electrode of second MOS pipe is connected the lamp area.
Furthermore, the device also comprises a first controller, and the first controller is connected with the wireless remote control receiving module through Bluetooth.
In the above implementation process, the first controller may be a mobile phone; for example, through using the mobile phone APP and the built-in Bluetooth component of the mobile phone, the control signal is sent to the main control chip through the Bluetooth, and therefore the technical effect of wireless remote control is achieved.
Furthermore, the device also comprises a second controller, and the second controller is connected with the wireless remote control receiving module through a 2.4g frequency band.
In the implementation process, the second controller can be a special remote controller, and sends a control signal to the main control chip through a 2.4g frequency band, so that the technical effect of wireless remote control is achieved.
Furthermore, the device also comprises a buzzer and an indicator light, wherein the buzzer and the indicator light are respectively connected with the main control chip.
In the implementation process, the buzzer and the indicator lamp can receive the control signal of the main control chip and are used for indicating the working state of the mute control device of the electric bed.
Furthermore, the device also comprises a power supply module, wherein the power supply module is used for supplying power to the wireless remote control receiving module, the main control chip, the current detection/overcurrent protection MOS circuit, the main motor driving MOS circuit and the massage motor driving MOS circuit.
Additional features and advantages of the disclosure will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the above-described techniques.
In order to make the aforementioned objects, features and advantages of the present application more comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments of the present application will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that those skilled in the art can also obtain other related drawings based on the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of a muting control device for an electric bed according to an embodiment of the present application;
fig. 2 is a schematic structural diagram of another muting control device for an electric bed according to an embodiment of the present application;
fig. 3 is a schematic diagram of an H-bridge driving circuit according to an embodiment of the present disclosure;
fig. 4 is a schematic diagram of a massage motor driving MOS circuit provided in an embodiment of the present application;
fig. 5 is a schematic diagram of a lamp strip driving MOS circuit provided in the embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Meanwhile, in the description of the present application, the terms "first", "second", and the like are used only for distinguishing the description, and are not to be construed as indicating or implying relative importance.
The embodiment of the application provides a mute control device of an electric bed, which can be applied to an electric bed controller to control the operation of the electric bed; the mute control device of the electric bed takes the MOS circuit as a driving circuit, namely the MOS circuit is driven by the main motor and the MOS circuit is driven by the massage motor to respectively control the main motor and the massage motor of the electric bed to operate, the MOS tube is used for replacing a relay to be taken as an actuating mechanism, and no noise is generated when the control device works, so that the noise generated by the controller of the electric bed when the relay is used is eliminated, and the effect of full mute is achieved; therefore, the mute control device of the electric bed can reduce the noise of the electric bed and realize the technical effect of completely muting the controller of the electric bed.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a mute control apparatus for an electric bed according to an embodiment of the present disclosure, the mute control apparatus for an electric bed includes a wireless remote control receiving module 100, a main control chip 200, a current detection/overcurrent protection MOS circuit 300, a main motor driving MOS circuit 400, and a massage motor driving MOS circuit 500, and the electric bed includes a main motor 410 and a massage motor 510.
Illustratively, the electric bed has a lifting function, driven by the main motor 410; in some embodiments, the main motor 410 includes multiple main motors, which control the lifting and lowering of the electric bed from different angles and directions; alternatively, 5 body segment joint points (i.e., bending points of the human body) may be ergonomically set on the frame of the electric bed, and the angle of the frame may be freely adjusted to fit the bending angles of the respective parts of the human body through remote control, the posture of the body may be freely adjusted, the pressure of the neck may be relieved, and the feet may be seated or reclined or merely raised to promote blood circulation.
Illustratively, the electric bed has a massage function, driven by a massage motor 510; in some embodiments, the massage motor 510 comprises multiple massage motors, which control the massage of the electric bed from different angles and directions; optionally, the electric bed can massage in regions, different massage experiences are given to corresponding departments of the body, and more scientific relaxation and comfort are brought. Back massage and leg massage are adopted, so that corresponding massage experiences are given to different parts of the body, and more scientific relaxation and comfort are brought; the uniform stress point and scientific vibration amplitude can help the user to quickly eliminate the sense of fatigue of the whole body and enter the sleep state more quickly.
Illustratively, the wireless remote control receiving module 100 is connected with the main control chip 200.
Illustratively, the wireless remote control receiving module 100 can receive wireless signals of bluetooth signals, 2.4g modules and the like, so as to realize a wireless remote control function; it should be understood that the wireless remote control receiving module 100 can also receive other types of wireless signals, and is not limited herein.
Illustratively, the main control Chip 200 is a Micro Control Unit (MCU), also called a Single Chip Microcomputer (Single Chip Microcomputer) or a Single Chip Microcomputer, which appropriately reduces the frequency and specification of a Central Processing Unit (CPU), and integrates peripheral interfaces such as a memory (memory), a counter (Timer), a USB, an a/D conversion, a UART, a PLC, a DMA, and even an LCD driving circuit on a Single Chip to form a Chip-level computer, which performs different combination control for different applications. Such as mobile phones, PC peripherals, remote controls, to automotive electronics, industrial stepper motors, robotic arm controls, etc., see the silhouette of the MCU.
Illustratively, the main control chip 200 is connected with the current detection/overcurrent protection MOS circuit 300, the main motor drive MOS circuit 400, and the massage motor drive MOS circuit 500, respectively.
Illustratively, the main control chip 200 may control the operations of the main motor driving MOS circuit 400 and the massage motor driving MOS circuit 500, and thus, the main motor 410 and the massage motor 510 of the electric bed.
Illustratively, the current detection/overcurrent protection MOS circuit is connected to the main motor drive MOS circuit.
Illustratively, the current detection/overcurrent protection MOS circuit may collect a current signal of the main motor driving MOS circuit, and feed the current signal back to the main control chip 200, thereby implementing current detection; when the current is too large, the power supply of the motor is immediately cut off once the overload condition is met, the motor and the control system are prevented from being burnt, and the safety of the electric bed is effectively protected.
Illustratively, the main motor drive MOS circuit is connected to the main motor of the electric bed.
Illustratively, the massage motor driving MOS circuit is connected to a massage motor of the electric bed.
Illustratively, the MOS circuit is a control circuit including a MOS transistor; wherein MOS is an abbreviation for MOSFET. A MOSFET Metal-Oxide Semiconductor Field Effect Transistor (MOSFET) is a Metal-Oxide-Semiconductor Field-Effect Transistor (MOSFET) for short. The MOS tube is applied to the control of the electric bed motor and is used for replacing the traditional relay control; compared with a relay, the MOS tube has no mechanical action part, so that zero noise can be realized, and silence can be realized; moreover, the MOS tube has no mechanical action part, so that the service life of the MOS tube is long, mechanical abrasion is avoided, and the action times are not limited.
Referring to fig. 2, fig. 2 is a schematic structural diagram of another muting control device for an electric bed according to an embodiment of the present application.
Illustratively, the mute control device of the electric bed further comprises a lamp strip driving MOS circuit 600, and the lamp strip driving MOS circuit is connected with a lamp strip 610 of the electric bed.
For example, the light strip 610 of the electric bed may play a role in prompting the working state of the electric bed; the lighting state of the lamp strip 610 can be controlled by the lamp strip driving MOS circuit 600, and the technical effect of mute control is achieved.
In some embodiments, the light strip 610 is mounted to the bottom of the motorized bed, i.e., the bed bottom light strip.
Illustratively, the mute control apparatus for an electric bed further comprises a first controller 710, and the first controller 710 is connected with the wireless remote control receiving module 100 through bluetooth.
Illustratively, the first controller 710 may be a cell phone; for example, through using the mobile phone APP and the bluetooth module built in the mobile phone, the control signal is sent to the main control chip 200 through bluetooth, so that the technical effect of wireless remote control is achieved.
Illustratively, the apparatus further comprises a second controller 720, and the second controller 720 is connected with the wireless remote control receiving module 100 through a 2.4g frequency band.
For example, the second controller 720 may be a dedicated remote controller, and transmits a control signal to the main control chip 200 through a 2.4g frequency band, thereby achieving the technical effect of wireless remote control.
Exemplarily, 2.4G is a wireless technology, and since the frequency band is between 2.400GHz and 2.4835GHz, the wireless technology is referred to as 2.4G for short. Is one of three major wireless technologies (including Bluetooth, 27M, 2.4G) on the market.
Exemplarily, the mute control apparatus for an electric bed further includes a buzzer 810 and an indicator light 820, and the buzzer 810 and the indicator light 820 are respectively connected to the main control chip 200.
Illustratively, the buzzer 810 and the indicator light 820 may receive a control signal of the main control chip 200 for indicating an operation state of the mute control device of the electric bed.
Referring to fig. 3, fig. 3 is a schematic diagram of an H-bridge driving circuit according to an embodiment of the disclosure.
Illustratively, the main motor driving MOS circuit 400 is an H-bridge type driving circuit.
Illustratively, the main motor 410 of the electric bed has the requirement of forward and reverse rotation control, so as to respectively realize the lifting and lowering functions of the electric bed, and the forward and reverse rotation of the main motor 410 can be conveniently controlled by adopting an H-bridge type driving circuit.
Illustratively, the H-bridge driving circuit includes a first P-type MOS transistor Q1, a second P-type MOS transistor Q2, a first N-type MOS transistor Q3, and a second N-type MOS transistor Q4, and the main control chip includes a first control arm a and a second control arm B;
the grid electrode of the first P-type MOS transistor Q1 and the grid electrode of the first N-type MOS transistor Q3 are respectively connected with the first control arm A, and the grid electrode of the second P-type MOS transistor Q2 and the grid electrode of the second N-type MOS transistor Q4 are respectively connected with the second control arm B;
the source electrode of the first P-type MOS transistor Q1 and the source electrode of the second P-type MOS transistor Q2 are respectively connected with a power supply VCC, and the source electrode of the first N-type MOS transistor Q3 and the source electrode of the second N-type MOS transistor Q4 are grounded;
the drain of the first P-type MOS transistor Q1 and the drain of the first N-type MOS transistor Q3 are connected to the first end of the main motor 410, respectively, and the drain of the second P-type MOS transistor Q2 and the drain of the second N-type MOS transistor Q4 are connected to the second end of the main motor 410, respectively.
Illustratively, the H-bridge drive circuit is composed of 2P-MOS transistors: a first P-type MOS transistor Q1, a second P-type MOS transistor Q2 and 2N-MOS transistors: the first N-type MOS transistor Q3 and the second N-type MOS transistor Q4 are formed, so that the circuit is called a P-N type MOS transistor H bridge type driving circuit.
Illustratively, 4 field effect transistors on a bridge arm of the H-bridge type driving circuit are equivalent to four switches, and a P-MOS transistor is switched on when a grid is at a low level and switched off when the grid is at a high level; the N-MOS tube is conducted when the grid is at a high level and is closed when the grid is at a low level. The field effect transistor is a voltage control type element, and the current passing through the gate is almost zero.
For example, when the H-bridge drive circuit is operated, since the P-MOS transistor and the N-MOS transistor have the above characteristics, after the H-bridge drive circuit shown in fig. 3 is connected, when the first control arm a is set to a high level (U ═ VCC) and the second control arm B is set to a low level (U ═ 0), the first P-MOS transistor Q1 and the second N-MOS transistor Q4 are turned off, the second P-MOS transistor Q2 and the first N-MOS transistor Q3 are turned on, and the left end and the right end of the motor are set to a high level, so that a current flows in the direction of the second P-MOS transistor Q2 → the main motor 410 → the first N-MOS transistor Q3, and the motor rotates forward; conversely, when the first control arm a is set to low (U is 0) and the second control arm B is set to high (U is VCC), the first P-type MOS transistor Q1 and the second N-type MOS transistor Q4 are turned on, the second P-type MOS transistor Q2 and the first N-type MOS transistor Q3 are turned off, the left end of the motor is high, and the right end is low, so that the current flows in the direction of the first P-type MOS transistor Q1 → the main motor 410 → the second N-type MOS transistor Q4, and the motor is reversed.
Referring to fig. 4, fig. 4 is a schematic diagram of a massage motor driving MOS circuit provided in the embodiment of the present application.
Illustratively, the massage motor driving MOS circuit 500 includes a first MOS transistor Q5, the main control chip 200 includes a third control arm C, the gate of the first MOS transistor Q5 is connected to the third control arm C, the source of the first MOS transistor Q5 is connected to the power VCC, and the drain of the first MOS transistor Q5 is connected to the massage motor 510.
Illustratively, the gate of the first MOS transistor Q5 controls the operation of the massage motor 510 according to the high/low state of the third control arm C, thereby achieving the technical effect of mute control.
In some embodiments, the first MOS transistor Q5 may be a P-type MOS transistor; at this time, when the port C of the third control arm is at a low level (0v), the first MOS transistor Q5 is turned on, and the massage motor 510 starts to operate; when the port C of the third control arm is at a high level, the first MOS transistor Q5 is turned off, and the massage motor 520 stops operating.
Optionally, the first MOS transistor Q5 may also be an N-type MOS transistor; at this time, when the port C of the third control arm is at a high level, the first MOS transistor Q5 is turned on, and the massage motor 510 starts to operate; when the port C of the third control arm is at low level (0v), the first MOS transistor Q5 is turned off, and the massage motor 520 stops operating.
Referring to fig. 5, fig. 5 is a schematic diagram of a lamp strip driving MOS circuit provided in the embodiment of the present application.
Exemplarily, the light strip driving MOS circuit 600 includes a second MOS transistor Q6, the main control chip 200 includes a fourth control arm D, a gate of the second MOS transistor Q6 is connected to the fourth control arm D, a source of the second MOS transistor Q6 is connected to the power supply, and a drain of the second MOS transistor Q6 is connected to the light strip 610.
Illustratively, according to the gate of the second MOS transistor Q6, the state of the light strip 610 may be controlled according to the high/low state of the fourth control arm D, so as to achieve the technical effect of mute control.
Alternatively, the light strip 610 may be a LED light strip.
In some embodiments, the second MOS transistor Q6 may be a P-type MOS transistor; at this time, when the port D of the fourth control arm is at a low level (0v), the second MOS transistor Q6 is turned on, and the lamp strip 610 lights up; when the port D of the fourth control arm is at a high level, the second MOS transistor Q6 is turned off, and the light strip 610 is extinguished.
Optionally, the second MOS transistor Q6 may also be an N-type MOS transistor; at this time, when the D port of the fourth control arm is at a high level, the second MOS transistor Q6 is turned on, and the lamp strip 610 lights up; when the port D of the fourth control arm is at a low level (0v), the second MOS transistor Q6 is turned off, and the light strip 610 is extinguished.
In some embodiments, the mute control apparatus for an electric bed further comprises a power supply module for supplying power to the wireless remote control receiving module 100, the main control chip 200, the current detection/overcurrent protection MOS circuit 300, the main motor driving MOS circuit 400, and the massage motor driving MOS circuit 500.
In some embodiments, the current detection/overcurrent protection MOS circuit 300 implements load current sampling, and when a user starts the motor, the load current acquisition unit continuously acquires the load current through the AD, and after filtering, the load current is sent to the control system to be compared with a threshold, and once the overload condition is met, the power supply of the motor is immediately cut off, thereby preventing the motor and the control system from being burnt. Effectively protecting the safety of the electric bed.
In the several embodiments provided in the present application, it should be understood that the functional modules in the respective embodiments may be integrated together to form an independent part, or each module may exist separately, or two or more modules may be integrated to form an independent part.
The above description is only an example of the present application and is not intended to limit the scope of the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
It is noted that, herein, relational terms such as first and second, and the like may be 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. Also, 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 an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Claims (10)

1. A mute control device of an electric bed is characterized by comprising a wireless remote control receiving module, a main control chip, a current detection/overcurrent protection MOS circuit, a main motor driving MOS circuit and a massage motor driving MOS circuit;
the wireless remote control receiving module is connected with the main control chip;
the main control chip is respectively connected with the current detection/overcurrent protection MOS circuit, the main motor drive MOS circuit and the massage motor drive MOS circuit;
the current detection/overcurrent protection MOS circuit is connected with the main motor drive MOS circuit;
the main motor driving MOS circuit is connected with a main motor of the electric bed;
the massage motor driving MOS circuit is connected with a massage motor of the electric bed.
2. The mute control apparatus for electric bed according to claim 1, wherein said main motor driving MOS circuit is an H-bridge driving circuit.
3. The mute control apparatus for electric bed according to claim 2, wherein the H-bridge driving circuit comprises a first P-type MOS transistor, a second P-type MOS transistor, a first N-type MOS transistor, and a second N-type MOS transistor, and the main control chip comprises a first control arm and a second control arm;
the grid electrode of the first P-type MOS tube and the grid electrode of the first N-type MOS tube are respectively connected with the first control arm, and the grid electrode of the second P-type MOS tube and the grid electrode of the second N-type MOS tube are respectively connected with the second control arm;
the source electrode of the first P-type MOS tube and the source electrode of the second P-type MOS tube are respectively connected with a power supply, and the source electrode of the first N-type MOS tube and the source electrode of the second N-type MOS tube are grounded;
the drain electrode of the first P-type MOS tube and the drain electrode of the first N-type MOS tube are respectively connected with the first end of the main motor, and the drain electrode of the second P-type MOS tube and the drain electrode of the second N-type MOS tube are respectively connected with the second end of the main motor.
4. The mute control device for electric bed of claim 1, wherein the massage motor driving MOS circuit comprises a first MOS transistor, the main control chip comprises a third control arm, the gate of the first MOS transistor is connected to the third control arm, the source of the first MOS transistor is connected to the power supply, and the drain of the first MOS transistor is connected to the massage motor.
5. The mute control device for electric bed as claimed in claim 1, wherein said device further comprises a lamp strip driving MOS circuit, said lamp strip driving MOS circuit being connected to the lamp strip of the electric bed.
6. The mute control device for the electric bed according to claim 5, wherein the light strip driving MOS circuit comprises a second MOS transistor, the main control chip comprises a fourth control arm, a gate of the second MOS transistor is connected to the fourth control arm, a source of the second MOS transistor is connected to the power supply, and a drain of the second MOS transistor is connected to the light strip.
7. The mute control apparatus for electric bed as claimed in claim 1, wherein said apparatus further comprises a first controller, said first controller is connected to said wireless remote control receiving module by bluetooth.
8. The mute control apparatus for electric bed of claim 7, further comprising a second controller connected to said wireless remote control receiving module through 2.4g band.
9. The mute control device for the electric bed according to claim 1, wherein the device further comprises a buzzer and an indicator light, and the buzzer and the indicator light are respectively connected with the main control chip.
10. The mute control apparatus for electric bed according to claim 1, further comprising a power supply module for supplying power to said wireless remote control receiving module, said main control chip, said current detection/overcurrent protection MOS circuit, said main motor driving MOS circuit, said massage motor driving MOS circuit.
CN202120685381.7U 2021-04-02 2021-04-02 Mute control device of electric bed Active CN215126466U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120685381.7U CN215126466U (en) 2021-04-02 2021-04-02 Mute control device of electric bed

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120685381.7U CN215126466U (en) 2021-04-02 2021-04-02 Mute control device of electric bed

Publications (1)

Publication Number Publication Date
CN215126466U true CN215126466U (en) 2021-12-14

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Application Number Title Priority Date Filing Date
CN202120685381.7U Active CN215126466U (en) 2021-04-02 2021-04-02 Mute control device of electric bed

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