CN215421482U - Overcurrent and overvoltage interference isolation protection circuit for input power supply of massage chair - Google Patents
Overcurrent and overvoltage interference isolation protection circuit for input power supply of massage chair Download PDFInfo
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- CN215421482U CN215421482U CN202121826312.XU CN202121826312U CN215421482U CN 215421482 U CN215421482 U CN 215421482U CN 202121826312 U CN202121826312 U CN 202121826312U CN 215421482 U CN215421482 U CN 215421482U
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Abstract
The utility model discloses an overcurrent and overvoltage interference isolation protection circuit for a massage chair input power supply, which relates to the field of massage chair circuits and comprises a PCB (printed circuit board) substrate, an elastic cushion plate, a circuit power supply and a power supply protector, wherein heat absorption particles are filled in the elastic cushion plate; this novel protection circuit of massage armchair input power source utilizes ESD electrostatic diode to play the effect of steady voltage, stationary flow in the circuit, avoids transshipping to cause the damage, and dual protection, the security improves greatly, utilizes the wave filter, can avoid electromagnetic interference, prevents to influence the input and the output of signal, is fit for extensively using widely.
Description
Technical Field
The utility model relates to the technical field of massage armchair circuits, in particular to an overcurrent and overvoltage interference isolation protection circuit for an input power supply of a massage armchair.
Background
The massage chair utilizes the mechanical rolling force action and mechanical force extrusion to massage, and the massage can dredge channels and collaterals, makes qi and blood circulation, keeps the yin-yang balance of the organism, so can feel muscle after the massage and relax, and the joint is nimble, makes people's spirit inspire, eliminates fatigue, has important effect to guaranteeing healthy, installs control circuit board in the massage chair, is convenient for control and protection driving motor equipment.
The protection circuit of the input power supply of the prior massage chair has the following defects: 1. the protection circuit of the input power supply of the massage chair has no effects of voltage stabilization and current stabilization, and has weak anti-interference isolation capability. Therefore, those skilled in the art provide an overcurrent and overvoltage interference isolation protection circuit for the input power of the massage chair to solve the problems in the background art.
SUMMERY OF THE UTILITY MODEL
The main objective of the present invention is to provide an overcurrent and overvoltage interference isolation protection circuit for an input power supply of a massage chair, so as to solve the problems in the background art.
In order to achieve the purpose, the utility model provides the following technical scheme:
a overcurrent and overvoltage interference isolation protection circuit for massage armchair input power supply, including PCB base plate, elastic backing plate, circuit power supply and power protector, the elastic backing plate intussuseption is filled with the heat absorption granule, the top of elastic backing plate is provided with and is provided with heat conduction silica gel pad between PCB base plate and the PCB base plate, one side welding that there is circuit power supply and circuit power supply at the top one end of PCB base plate through the mounting screw has power protector, the one end welding of circuit power supply has the one end of handling the chip and installs ESD electrostatic diode through the mounting hole, ESD electrostatic diode's one side welding has the wave filter.
As a still further scheme of the utility model: the elastic backing plate is made of a PP material, and the heat absorption particles are made of a graphene material.
As a still further scheme of the utility model: the output end of the power supply protector is connected with the input end of the circuit power supply through a wire, and the power supply protector is utilized to achieve the effects of voltage stabilization and current stabilization on the circuit power supply, so that the circuit power supply supplies power stably, and the service life of the circuit board is prolonged.
As a still further scheme of the utility model: the end parts of the two sides of the elastic base plate are in hot-melt connection with lower butt-joint pieces, and the end parts of the two sides of the PCB substrate are in hot-melt connection with upper butt-joint pieces.
As a still further scheme of the utility model: and the upper butt joint piece and the lower butt joint piece are provided with corresponding mounting threaded holes, mounting screws penetrate through the mounting threaded holes, and the elastic base plate and the PCB substrate are fixed on the shell through the mounting screws penetrating through the mounting threaded holes.
As a still further scheme of the utility model: a wiring block is welded at one end of the top of the PCB substrate, an optical coupler is welded at one end of the ESD electrostatic diode, the isolation of the sensor and the input channel, the isolation of the I/O interface and the isolation of the internal circuit are realized by the optical coupler, and the mutual interference is avoided.
As a still further scheme of the utility model: the top of wiring piece is provided with locking screw, one side of wiring piece has seted up the through wires hole.
Compared with the prior art, the utility model has the beneficial effects that:
1. the installation screw penetrates through the installation threaded hole to fix the elastic base plate and the PCB substrate on the shell, and the power supply protector is utilized to achieve the effects of voltage stabilization and current stabilization on a circuit power supply, so that the circuit power supply can stably supply power, and the service life of the circuit board is prolonged.
2. Utilize ESD electrostatic diode to play the effect of steady voltage, stationary flow in the circuit, avoid transshipping to cause the damage, dual protection, the security improves greatly, utilizes the wave filter, can avoid electromagnetic interference, prevents to influence the input and the output of signal, utilizes optical coupler to realize the isolation of sensor and input channel, the isolation of IO interface and the isolation of internal circuit, avoids causing the interference each other.
3. Utilize heat conduction silica gel pad to transmit the heat that PCB base plate surface produced fast to the heat absorption granule of elastic backing plate in, avoid high temperature to cause the circuit ageing, utilize the elastic backing plate to make for the PP material, elasticity is high, and buffering effect is good, the effectual absorbing effect that plays.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the overcurrent and overvoltage interference isolation protection circuit for the input power supply of the massage chair.
Fig. 2 is a schematic structural view of a heat-conducting silica gel pad of the overcurrent and overvoltage interference isolation protection circuit for the input power supply of the massage chair.
Fig. 3 is a schematic structural diagram of heat absorbing particles of the overcurrent and overvoltage interference isolation protection circuit for the input power supply of the massage chair.
Reference numerals: 1. a power supply protector; 2. a circuit power supply; 3. processing the chip; 4. an ESD electrostatic diode; 5. an optical coupler; 6. locking the screw; 7. installing a screw rod; 8. installing a threaded hole; 9. an upper butt-joint piece; 10. a lower butt-joint plate; 11. an elastic backing plate; 12. a PCB substrate; 13. a junction block; 14. threading holes; 15. a filter; 16. heat absorbing particles; 17. heat conduction silica gel pad.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, in the embodiment of the present invention, the overcurrent and overvoltage interference isolation protection circuit for a massage chair input power supply includes a PCB substrate 12, an elastic pad 11, a circuit power supply 2, and a power supply protector 1, wherein heat absorbing particles 16 are filled in the elastic pad 11, the PCB substrate 12 is disposed on the top of the elastic pad 11, a heat conducting silicone pad 17 is disposed between the PCB substrate 12 and the elastic pad 11, the circuit power supply 2 is mounted on one end of the top of the PCB substrate 12 through screws, the power supply protector 1 is welded on one side of the circuit power supply 2, a processing chip 3 is welded on one end of the circuit power supply 2, an ESD electrostatic diode 4 is mounted on one end of the processing chip 3 through a mounting hole, and a filter 15 is welded on one side of the ESD electrostatic diode 4.
The elastic backing plate 11 is made of a PP material, and the heat absorption particles 16 are made of a graphene material; the elastic cushion plate 11 is made of PP materials, so that the elasticity is high, the buffering effect is good, and the damping effect is effectively achieved.
Wherein, the output end of the power supply protector 1 is connected with the input end of the circuit power supply 2 through a lead; the power supply protector 1 has the effects of stabilizing voltage and current for the circuit power supply 2, so that the circuit power supply 2 supplies power stably, and the service life of the circuit board is prolonged.
Wherein, the end parts of both sides of the elastic backing plate 11 are connected with a lower butt joint piece 10 in a hot melting way, and the end parts of both sides of the PCB substrate 12 are connected with an upper butt joint piece 9 in a hot melting way; the butt joint installation is fixed each other convenient to convenient dismantlement.
Wherein, the upper butt joint piece 9 and the lower butt joint piece 10 are provided with corresponding mounting threaded holes 8, and mounting screws 7 penetrate through the mounting threaded holes 8; the elastic pad 11 and the PCB substrate 12 are fixed on the shell by a mounting screw 7 passing through the mounting threaded hole 8.
Wherein, one end of the top of the PCB substrate 12 is welded with a junction block 13, and one end of the ESD electrostatic diode 4 is welded with an optical coupler 5; the optical coupler 5 is used for realizing the isolation of the sensor and the input channel, the isolation of the I/O interface and the isolation of the internal circuit, and avoiding mutual interference.
Wherein, the top of the wiring block 13 is provided with a locking screw 6, and one side of the wiring block 13 is provided with a threading hole 14; the signal input line is inserted into the threading hole 14, and the locking screw 6 is rotated downwards to fix the wire quickly.
The working principle of the utility model is as follows: the elastic backing plate 11 and the PCB substrate 12 are fixed on the shell by a mounting screw 7 passing through a mounting screw hole 8, the power supply protector 1 is used for playing the effects of stabilizing voltage and stabilizing current to the circuit power supply 2, so that the power supply of the circuit power supply 2 is stabilized, the service life of the circuit board is prolonged, the ESD electrostatic diode 4 is used for playing the effects of stabilizing voltage and stabilizing current in the circuit, the damage caused by overload is avoided, the double protection is realized, the safety is greatly improved, the filter 15 is used for avoiding electromagnetic interference and preventing the input and output of an influence signal, the optical coupler 5 is used for realizing the isolation of a sensor and an input channel, the isolation of an I/O interface and the isolation of an internal circuit, the mutual interference is avoided, the heat generated on the surface of the PCB substrate 12 is rapidly transmitted into heat absorption particles 16 of the elastic backing plate 11 by a heat conduction silica gel pad 17, the aging of a circuit caused by high temperature is avoided, and the elastic backing plate 11 is made of PP material, elasticity is high, and buffering effect is good, the effectual absorbing effect that plays.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (7)
1. A overcurrent and overvoltage interference isolation protection circuit for massage armchair input power supply, including PCB base plate (12), elastic backing plate (11), circuit power supply (2) and power protector (1), its characterized in that: the heat-absorbing particle (16) is filled in the elastic base plate (11), a heat-conducting silica gel pad (17) is arranged between the PCB substrate (12) and the elastic base plate (11) at the top of the elastic base plate (11), a power supply protector (1) is welded at one side of the top end of the PCB substrate (12) with a circuit power supply (2) and the circuit power supply (2) through screws, an ESD electrostatic diode (4) is installed at one end of the circuit power supply (2) through a mounting hole at one end of the processing chip (3) and the one end of the processing chip (3), and a filter (15) is welded at one side of the ESD electrostatic diode (4).
2. The over-current and over-voltage interference isolation protection circuit for the input power supply of the massage chair as claimed in claim 1, wherein: the elastic backing plate (11) is made of a PP material, and the heat absorption particles (16) are made of a graphene material.
3. The over-current and over-voltage interference isolation protection circuit for the input power supply of the massage chair as claimed in claim 1, wherein: the output end of the power supply protector (1) is connected with the input end of the circuit power supply (2) through a lead.
4. The over-current and over-voltage interference isolation protection circuit for the input power supply of the massage chair as claimed in claim 1, wherein: the end parts of the two sides of the elastic cushion plate (11) are connected with a lower butt joint piece (10) in a hot melting mode, and the end parts of the two sides of the PCB substrate (12) are connected with an upper butt joint piece (9) in a hot melting mode.
5. The over-current and over-voltage interference isolation protection circuit for the input power supply of the massage chair as claimed in claim 4, wherein: the upper butt joint piece (9) and the lower butt joint piece (10) are provided with corresponding installation threaded holes (8), and installation screws (7) penetrate through the installation threaded holes (8).
6. The over-current and over-voltage interference isolation protection circuit for the input power supply of the massage chair as claimed in claim 1, wherein: a junction block (13) is welded at one end of the top of the PCB substrate (12), and an optical coupler (5) is welded at one end of the ESD electrostatic diode (4).
7. The over-current and over-voltage interference isolation protection circuit for the input power supply of the massage chair as claimed in claim 6, wherein: the top of wiring block (13) is provided with locking screw (6), threading hole (14) have been seted up to one side of wiring block (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121826312.XU CN215421482U (en) | 2021-08-06 | 2021-08-06 | Overcurrent and overvoltage interference isolation protection circuit for input power supply of massage chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121826312.XU CN215421482U (en) | 2021-08-06 | 2021-08-06 | Overcurrent and overvoltage interference isolation protection circuit for input power supply of massage chair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215421482U true CN215421482U (en) | 2022-01-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121826312.XU Active CN215421482U (en) | 2021-08-06 | 2021-08-06 | Overcurrent and overvoltage interference isolation protection circuit for input power supply of massage chair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215421482U (en) |
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2021
- 2021-08-06 CN CN202121826312.XU patent/CN215421482U/en active Active
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