CN111712103A - Vehicle-mounted power amplifier equipment based on Internet of things - Google Patents
Vehicle-mounted power amplifier equipment based on Internet of things Download PDFInfo
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- CN111712103A CN111712103A CN202010530272.8A CN202010530272A CN111712103A CN 111712103 A CN111712103 A CN 111712103A CN 202010530272 A CN202010530272 A CN 202010530272A CN 111712103 A CN111712103 A CN 111712103A
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- power amplifier
- sealing cylinder
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2039—Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body
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Abstract
The invention relates to a vehicle-mounted power amplifier device based on the Internet of things, which comprises a main body, at least two interfaces, an anti-drop mechanism and a heat dissipation mechanism, the anti-falling mechanism comprises a sealing cylinder, a second one-way valve, a spring, a pressure release valve, a piston block, a vent hole and at least two fixed components, the fixed component comprises a sealing sleeve, an annular air bag, an air delivery pipe, a first one-way valve and a valve, the heat dissipation mechanism comprises a transmission component, a driving shaft, fan blades, an exhaust pipe and two mounting bearings, the transmission component comprises a rack and a gear, in the vehicle-mounted power amplifier based on the Internet of things, the connector is fixed through the anti-falling mechanism, so that the probability of falling of the connector from the power amplifier is reduced, the failure rate of the power amplifier is reduced, the heat dissipation efficiency of the power amplifier equipment is improved through the heat dissipation mechanism, the working temperature of the power amplifier equipment is reduced, and the working stability of the power amplifier equipment is improved.
Description
Technical Field
The invention relates to the field of vehicle-mounted power amplifier equipment, in particular to vehicle-mounted power amplifier equipment based on the Internet of things.
Background
A power amplifier, referred to as "power amplifier" for short, refers to an amplifier that can generate maximum power output to drive a load (e.g., a speaker) under a given distortion rate. The power amplifier plays a role of 'organization and coordination' in the whole sound system, and governs to some extent whether the whole system can provide good sound quality output.
When prior art's vehicle-mounted power amplifier equipment was used, power amplifier equipment took place the vibration along with the vehicle, caused to peg graft and taken place not hard up the droing easily at power amplifier equipment's the joint, increased power amplifier equipment's fault rate, and so, prior art's power amplifier equipment was when using, and the inside electron device of power amplifier equipment produced a large amount of heats, caused power amplifier equipment operating temperature to rise, reduced the stability of power amplifier equipment work.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: in order to overcome the defects of the prior art, the vehicle-mounted power amplifier equipment based on the Internet of things is provided.
The technical scheme adopted by the invention for solving the technical problems is as follows: a vehicle-mounted power amplifier device based on the Internet of things comprises a main body and at least two interfaces, wherein each interface is arranged on one side of the main body;
the anti-falling mechanism comprises a sealing cylinder, a second one-way valve, a spring, a pressure release valve, a piston block, an air vent and at least two fixing assemblies, wherein the number of the fixing assemblies is equal to the number of the interfaces, the fixing assemblies correspond to the interfaces one to one, the fixing assemblies are arranged at the interfaces, the sealing cylinder is arranged in the main body, the bottom end of the sealing cylinder is fixedly connected with the inner wall of the bottom of the main body, the bottom end of the sealing cylinder is communicated with the outside of the main body, the piston block is arranged in the sealing cylinder, the piston block is connected with the sealing cylinder in a sliding and sealing mode, the air vent is arranged in the piston block, two sides of the piston block are communicated through the air vent, the second one-way valve is arranged in the air vent, the inner wall of the top end of the sealing cylinder is fixedly connected with the piston block through the spring, the spring is in a stretching state, and the pressure, each fixing component is connected with the top end of the sealing cylinder;
the fixing assembly comprises a sealing sleeve, an annular air bag, an air conveying pipe, a first one-way valve and a valve, one end of the sealing sleeve is fixedly connected with the main body, the connector is arranged inside the sealing sleeve, the annular air bag is arranged on the inner side of the other end of the sealing sleeve, the valve is arranged on one side of the sealing sleeve, the valve is communicated with the annular air bag, the top end of the sealing cylinder is communicated with the annular air bag through the air conveying pipe, and the first one-way valve is arranged on the air conveying pipe;
the heat dissipation mechanism includes drive assembly, drive shaft, flabellum, blast pipe and two installation bearings, the axis that the team can the axle is perpendicular and crossing with the axis of sealed jar, the drive shaft sets up the one side of keeping away from the spring at the piston piece, the drive shaft is connected with the both sides of sealed jar respectively through two installation bearings, blast pipe and the coaxial setting of drive shaft, the blast pipe sets up on the inside of one side of main part, the outside intercommunication of blast pipe and main part, the flabellum sets up the inboard at the blast pipe, the one end and the flabellum fixed connection of drive shaft, drive assembly sets up the inside at sealed jar, the piston piece passes through drive assembly and drive shaft connection.
Preferably, in order to improve the automation degree of the power amplifier device, a PLC is provided inside the main body.
Preferably, in order to power the driving shaft, the transmission assembly comprises a rack and a gear, the gear is fixedly connected with the driving shaft, the rack is parallel to the axis of the sealing cylinder, one end of the rack is fixedly connected with the piston block, and the rack is meshed with the gear.
Preferably, in order to reduce the collision probability between the piston block and the driving shaft, a limit ring is arranged on one side of the driving shaft close to the piston block, the limit ring is fixedly connected with the inner wall of the sealing cylinder, and the maximum distance between the piston block and the limit ring is greater than the maximum distance between the bottom end of the rack and the bottom end of the sealing cylinder.
Preferably, in order to increase the kinetic energy of the piston block, a gravity block is provided inside the piston block.
Preferably, in order to improve the sealing performance between the sealing cylinder and the piston block, the inner wall of the sealing cylinder is coated with sealing grease.
Preferably, in order to improve the dustproof performance of the sealing cylinder and the exhaust pipe, a dustproof net is arranged inside the bottom end of the sealing cylinder and inside one end, far away from the sealing cylinder, of the exhaust pipe.
Preferably, the body is coated with an anti-corrosive coating in order to extend the service life of the body.
Preferably, in order to improve the heat dissipation efficiency of the power amplifier device, the main body is made of an aluminum alloy.
Preferably, the rack is coated with grease in order to reduce wear between the rack and the pinion.
The vehicle-mounted power amplifier equipment based on the Internet of things has the beneficial effects that the anti-drop mechanism is used for fixing the joint, so that the probability that the joint drops from the power amplifier equipment is reduced, and the fault rate of the power amplifier equipment is reduced.
Drawings
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a schematic structural diagram of a vehicle-mounted power amplifier device based on the internet of things;
fig. 2 is a cross-sectional view of the vehicle-mounted power amplifier device based on the internet of things of the invention;
fig. 3 is a schematic structural diagram of an anti-drop mechanism of the vehicle-mounted power amplifier based on the internet of things;
fig. 4 is a schematic structural diagram of a heat dissipation mechanism of the vehicle-mounted power amplifier device based on the internet of things;
in the figure: 1. the air-conditioning system comprises a valve, 2, a sealing sleeve, 3, a main body, 4, an air conveying pipe, 5, a sealing cylinder, 6, an annular air bag, 7, a connector, 8, a driving shaft, 9, a fan blade, 10, a first one-way valve, 11, a gravity block, 12, a gear, 13, a mounting bearing, 14, a limiting ring, 15, a rack, 16, a vent hole, 17, a second one-way valve, 18, a piston block, 19, a spring, 20, a pressure release valve and 21, and an exhaust pipe.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
As shown in fig. 1, a vehicle-mounted power amplifier device based on the internet of things comprises a main body 3 and at least two interfaces 7, wherein each interface 7 is arranged on one side of the main body 3, and further comprises an anti-drop mechanism and a heat dissipation mechanism, wherein the anti-drop mechanism and the heat dissipation mechanism are arranged inside the main body 3, and the anti-drop mechanism is connected with the heat dissipation mechanism;
the connector is fixed through the anti-falling mechanism, so that the probability that the connector falls off from the power amplifier equipment is reduced, the fault rate of the power amplifier equipment is reduced, and furthermore, the heat dissipation efficiency of the power amplifier equipment is improved through the heat dissipation mechanism, the working temperature of the power amplifier equipment is reduced, and the working stability of the power amplifier equipment is improved;
as shown in fig. 2-3, the anti-falling mechanism includes a sealing cylinder 5, a second check valve 17, a spring 19, a pressure release valve 20, a piston block 18, a vent hole 16, and at least two fixing components, the number of the fixing components is equal to the number of the interfaces 7, the fixing components correspond to the interfaces 7 one by one, the fixing components are disposed at the interfaces 7, the sealing cylinder 5 is disposed inside the main body 3, the bottom end of the sealing cylinder 5 is fixedly connected with the inner wall of the bottom of the main body 3, the bottom end of the sealing cylinder 5 is communicated with the outside of the main body 3, the piston block 18 is disposed inside the sealing cylinder 5, the piston block 18 is slidably and hermetically connected with the sealing cylinder 5, the vent hole 16 is disposed inside the piston block 18, two sides of the piston block 18 are communicated with the vent hole 16, the second check valve 17 is disposed inside the vent hole 16, the inner wall of the top end of the sealing cylinder 5 is fixedly connected with the piston block 18 through the spring 19, the spring 19 is in a stretching state, the pressure release valve 20 is arranged on one side of the top end of the sealing cylinder 5, and all the fixing components are connected with the top end of the sealing cylinder 5;
as shown in fig. 2, the fixing assembly includes a sealing sleeve 2, an annular air bag 6, an air delivery pipe 4, a first one-way valve 10 and a valve 1, one end of the sealing sleeve 2 is fixedly connected with the main body 3, the interface 7 is arranged inside the sealing sleeve 2, the annular air bag 6 is arranged on the inner side of the other end of the sealing sleeve 2, the valve 1 is arranged on one side of the sealing sleeve 2, the valve 1 is communicated with the annular air bag 6, the top end of the sealing cylinder 5 is communicated with the annular air bag 6 through the air delivery pipe 4, and the first one-way valve 10 is arranged on the air delivery pipe 4;
as shown in fig. 3-4, the heat dissipation mechanism includes a transmission assembly, a driving shaft 8, fan blades 9, an exhaust pipe 21 and two mounting bearings 13, wherein the axis of the team can be perpendicular to and intersecting with the axis of the sealing cylinder 5, the driving shaft 8 is disposed on one side of the piston block 18 away from the spring 19, the driving shaft 8 is respectively connected with two sides of the sealing cylinder 5 through the two mounting bearings 13, the exhaust pipe 21 is disposed coaxially with the driving shaft 8, the exhaust pipe 21 is disposed on the inside of one side of the main body 3, the exhaust pipe 21 is communicated with the outside of the main body 3, the fan blades 9 are disposed on the inside of the exhaust pipe 21, one end of the driving shaft 8 is fixedly connected with the fan blades 9, the transmission assembly is disposed inside the sealing cylinder 5, and the piston block 18 is connected with the driving shaft 8 through the transmission assembly;
an operator opens the valve 1 to exhaust air in the annular air bag 6, so that the sealing sleeve 2 is in an open state, the operator can insert the connector into the connector 7, then the operator closes the valve 1, in the running process of the vehicle, the vehicle drives the power amplifier to vibrate, under the action of inertia of the piston block 18 and the elastic force of the spring 19, the piston block 18 moves up and down along the sealing cylinder 5 in a reciprocating manner, when the piston block 18 descends, the second one-way valve 17 is opened, the first one-way valve 10 is closed, air outside the sealing cylinder 5 is pumped into the sealing cylinder 5 through the vent hole 16 by the piston block 18, when the piston block 18 ascends, the second one-way valve 17 is closed, the first one-way valve 10 is opened, air inside the sealing cylinder 5 is injected into the annular air bag 6 through the air conveying pipe 4 by the piston block 18, and moves back and forth by the piston block 18, air is continuously injected into the annular air bag 6, the annular air bag 6 is expanded, the joint is fixed through the annular air bag 6, the probability of falling of the joint is reduced, the failure rate of the power amplifier is reduced, when the air pressure in the sealing cylinder 5 is greater than the set value of the pressure release valve 20, the air in the sealing cylinder 5 is discharged from the pressure release valve 20, the air pressure in the sealing cylinder 5 is kept stable, the resistance of the air pressure to the piston block 18 is reduced, the piston block 18 can continuously reciprocate, the stability of the driving shaft 8 is improved through the mounting bearing 13, the driving shaft 8 is driven to rotate through the piston block 18 under the transmission action of the transmission assembly, the energy-saving performance of the power amplifier is improved, the fan blades 9 are driven to rotate through the driving shaft 8, power is provided through the fan blades 9, and the air inside and outside the main body 3 circularly flows through the exhaust pipe 21, realized 3 inside heat dissipations of main part, reduced 3's operating temperature of main part, improved power amplifier equipment job stabilization nature, the gas flow of locating the discharge gas simultaneously through relief valve 20 discharges 3 inside heats of main part from blast pipe 21, has further improved power amplifier equipment's radiating efficiency.
Preferably, in order to improve the automation degree of the power amplifier device, a PLC is disposed inside the main body 3;
the PLC programmable logic controller adopts a programmable memory for storing program therein, executing instructions facing users such as logic operation, sequence control, timing, counting and arithmetic operation, and controlling various types of machinery or production processes by digital or analog input/output, and is essentially a computer special for industrial control, the hardware structure of the PLC programmable logic controller is basically the same as that of a microcomputer, and the PLC programmable logic controller is generally used for processing data and receiving and outputting instructions, is used for realizing central control, controls the operation of power amplifier equipment through PLC, and improves the automation degree of the power amplifier equipment.
As shown in fig. 3, the transmission assembly comprises a rack 15 and a gear 12, the gear 12 is fixedly connected with the driving shaft 8, the rack 15 is parallel to the axis of the sealing cylinder 5, one end of the rack 15 is fixedly connected with a piston block 18, and the rack 15 is meshed with the gear 12;
the piston block 18 drives the rack 15 to move, and the driving shaft 8 is driven to rotate through the rack 15 under the transmission action of the gear 12.
Preferably, in order to reduce the collision probability between the piston block 18 and the driving shaft 8, a limit ring 14 is arranged on one side of the driving shaft 8 close to the piston block 18, the limit ring 14 is fixedly connected with the inner wall of the sealing cylinder 5, and the maximum distance between the piston block 18 and the limit ring 14 is greater than the maximum distance between the bottom end of the rack 15 and the bottom end of the sealing cylinder 5;
the limit action of the limit ring 14 on the piston block 18 limits the moving range of the piston block 18, and reduces the collision probability of the piston block 18 and the driving shaft 8.
Preferably, in order to increase the kinetic energy of the piston block 18, the piston block 18 is internally provided with a gravity block 11;
the overall mass of the piston block 18 is increased by the weight block 11, increasing the kinetic energy of the piston block 18 as it moves.
Preferably, in order to improve the sealing performance between the sealing cylinder 5 and the piston block 18, the inner wall of the sealing cylinder 5 is coated with sealing grease;
the clearance between the sealing cylinder 5 and the piston block 18 is reduced by the sealing grease, and the sealing performance between the sealing cylinder 5 and the piston block 18 is improved.
Preferably, in order to improve the dustproof performance of the sealing cylinder 5 and the exhaust pipe 21, dustproof nets are arranged inside the bottom end of the sealing cylinder 5 and inside one end of the exhaust pipe 21 far away from the sealing cylinder 5;
the dust is separated through the dust screen, so that the probability of the dust entering the sealing cylinder 5 and the exhaust pipe 21 is reduced, and the dustproof performance of the sealing cylinder 5 and the exhaust pipe 21 is improved.
Preferably, in order to prolong the service life of the main body 3, the main body 3 is coated with an anti-corrosion coating;
the corrosion speed of the main body 3 is slowed down through the anti-corrosion coating, and the service life of the main body 3 is prolonged.
Preferably, in order to improve the heat dissipation efficiency of the power amplifier device, the main body 3 is made of an aluminum alloy;
because the aluminum alloy has better heat-conducting property, the efficiency that the heat inside the main body 3 is dissipated to the outside of the main body 3 is improved, and the heat dissipation efficiency of the power amplifier is improved.
Preferably, in order to reduce the wear between the rack 15 and the gear 12, the rack 15 is coated with grease;
the friction between the rack 15 and the gear 12 is reduced by the grease, and the wear between the rack 15 and the gear 12 is reduced.
An operator opens the valve 1 to discharge air in the annular air bag 6, so that the sealing sleeve 2 is in an open state, the operator can insert the joint into the interface 7, then the operator closes the valve 1, the vehicle drives the power amplifier to vibrate in the running process of the vehicle, the piston block 18 reciprocates up and down along the sealing cylinder 5 under the action of inertia of the piston block 18 and the elastic force of the spring 19, the air in the sealing cylinder 5 is injected into the annular air bag 6 through the air delivery pipe 4 through the piston block 18 to expand the annular air bag 6, the joint is fixed through the annular air bag 6, the probability of falling of the joint is reduced, the failure rate of the power amplifier is reduced, the driving shaft 8 is driven to rotate through the piston block 18 under the transmission action of the transmission assembly, and the energy-saving performance of the power amplifier is improved, then, the driving shaft 8 drives the fan blades 9 to rotate, the fan blades 9 provide power, and the air inside and outside the main body 3 circularly flows through the exhaust pipe 21, so that the heat dissipation inside the main body 3 is realized, the working temperature of the main body 3 is reduced, and the working stability of the power amplifier is improved.
Compared with the prior art, among this on-vehicle power amplifier based on thing networking, fix the joint through anti-drop mechanism, the probability that the joint drops from power amplifier has been reduced, power amplifier's fault rate has been reduced, compare with current anti-drop mechanism, the kinetic energy that this anti-drop mechanism produced when power amplifier vibrates provides power, power amplifier's energy-conserving performance has been improved, moreover, the radiating efficiency of power amplifier has been improved through heat dissipation mechanism, power amplifier's operating temperature has been reduced, power amplifier's job stabilization nature has been improved, compare with current heat dissipation mechanism, this heat dissipation mechanism has realized the interlock with anti-drop mechanism, power amplifier's energy-conserving performance has been improved.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (10)
1. The vehicle-mounted power amplifier equipment based on the Internet of things comprises a main body (3) and at least two interfaces (7), wherein each interface (7) is arranged on one side of the main body (3), and is characterized by further comprising an anti-falling mechanism and a heat dissipation mechanism, wherein the anti-falling mechanism and the heat dissipation mechanism are arranged inside the main body (3), and are connected with each other;
the anti-falling mechanism comprises a sealing cylinder (5), a second one-way valve (17), a spring (19), a pressure release valve (20), a piston block (18), a vent hole (16) and at least two fixing assemblies, wherein the number of the fixing assemblies is equal to that of the interfaces (7), the fixing assemblies correspond to the interfaces (7) one by one, the fixing assemblies are arranged at the interfaces (7), the sealing cylinder (5) is arranged inside the main body (3), the bottom end of the sealing cylinder (5) is fixedly connected with the inner wall of the bottom of the main body (3), the bottom end of the sealing cylinder (5) is communicated with the outside of the main body (3), the piston block (18) is arranged inside the sealing cylinder (5), the piston block (18) is connected with the sealing cylinder (5) in a sliding and sealing manner, the vent hole (16) is arranged inside the piston block (18), and two sides of the piston block (18) are communicated through the vent hole (16), the second one-way valve (17) is arranged inside the vent hole (16), the inner wall of the top end of the sealing cylinder (5) is fixedly connected with the piston block (18) through a spring (19), the spring (19) is in a stretching state, the pressure release valve (20) is arranged on one side of the top end of the sealing cylinder (5), and all fixing components are connected with the top end of the sealing cylinder (5);
the fixing assembly comprises a sealing sleeve (2), an annular air bag (6), an air conveying pipe (4), a first one-way valve (10) and a valve (1), one end of the sealing sleeve (2) is fixedly connected with the main body (3), the connector (7) is arranged inside the sealing sleeve (2), the annular air bag (6) is arranged on the inner side of the other end of the sealing sleeve (2), the valve (1) is arranged on one side of the sealing sleeve (2), the valve (1) is communicated with the annular air bag (6), the top end of the sealing cylinder (5) is communicated with the annular air bag (6) through the air conveying pipe (4), and the first one-way valve (10) is arranged on the air conveying pipe (4);
the heat dissipation mechanism comprises a transmission assembly, a driving shaft (8), fan blades (9), an exhaust pipe (21) and two mounting bearings (13), wherein the axis of the ball team can be perpendicular to and intersected with the axis of the sealing cylinder (5), the driving shaft (8) is arranged on one side, away from the spring (19), of the piston block (18), the driving shaft (8) is respectively connected with two sides of the sealing cylinder (5) through the two mounting bearings (13), the exhaust pipe (21) and the driving shaft (8) are coaxially arranged, the exhaust pipe (21) is arranged on the inner portion of one side of the main body (3), the exhaust pipe (21) is communicated with the outer portion of the main body (3), the fan blades (9) are arranged on the inner side of the exhaust pipe (21), one end of the driving shaft (8) is fixedly connected with the fan blades (9), the transmission assembly is arranged in the sealing cylinder (5), the piston block (18) is connected with the driving shaft (8) through a transmission assembly.
2. The internet of things-based vehicle-mounted power amplifier device of claim 1, wherein a PLC is arranged inside the main body (3).
3. The internet of things-based vehicle-mounted power amplifier device according to claim 1, wherein the transmission assembly comprises a rack (15) and a gear (12), the gear (12) is fixedly connected with the driving shaft (8), the rack (15) is parallel to the axis of the sealing cylinder (5), one end of the rack (15) is fixedly connected with the piston block (18), and the rack (15) is meshed with the gear (12).
4. The internet of things-based vehicle-mounted power amplifier device according to claim 1, wherein a limiting ring (14) is arranged on one side of the driving shaft (8) close to the piston block (18), the limiting ring (14) is fixedly connected with the inner wall of the sealing cylinder (5), and the maximum distance between the piston block (18) and the limiting ring (14) is greater than the maximum distance between the bottom end of the rack (15) and the bottom end of the sealing cylinder (5).
5. The internet of things-based vehicle-mounted power amplifier device according to claim 1, wherein a gravity block (11) is arranged inside the piston block (18).
6. The internet of things-based vehicle-mounted power amplifier equipment according to claim 1, wherein the inner wall of the sealing cylinder (5) is coated with sealing grease.
7. The internet of things-based vehicle-mounted power amplifier equipment according to claim 1, wherein dust screens are arranged inside the bottom end of the sealed cylinder (5) and inside one end of the exhaust pipe (21) far away from the sealed cylinder (5).
8. The internet of things-based vehicle-mounted power amplifier device according to claim 1, wherein an anticorrosion coating is coated on the main body (3).
9. The internet of things-based vehicle-mounted power amplifier equipment according to claim 1, wherein the main body (3) is made of aluminum alloy.
10. The Internet of things-based vehicle-mounted power amplifier equipment according to claim 3, wherein the rack (15) is coated with lubricating grease.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010530272.8A CN111712103A (en) | 2020-06-11 | 2020-06-11 | Vehicle-mounted power amplifier equipment based on Internet of things |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010530272.8A CN111712103A (en) | 2020-06-11 | 2020-06-11 | Vehicle-mounted power amplifier equipment based on Internet of things |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111712103A true CN111712103A (en) | 2020-09-25 |
Family
ID=72540307
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010530272.8A Withdrawn CN111712103A (en) | 2020-06-11 | 2020-06-11 | Vehicle-mounted power amplifier equipment based on Internet of things |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111712103A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113131889A (en) * | 2021-03-04 | 2021-07-16 | 周屿凌 | Active power filter with auxiliary installation of air pressure adsorption |
| CN114187838A (en) * | 2021-12-14 | 2022-03-15 | 深圳市瀚达美电子有限公司 | Direct type energy-saving vehicle-mounted backlight module with active driving device and driving method |
-
2020
- 2020-06-11 CN CN202010530272.8A patent/CN111712103A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113131889A (en) * | 2021-03-04 | 2021-07-16 | 周屿凌 | Active power filter with auxiliary installation of air pressure adsorption |
| CN113131889B (en) * | 2021-03-04 | 2022-10-04 | 深圳市鸿图骏达通讯技术有限公司 | Active power filter with auxiliary installation of air pressure adsorption |
| CN114187838A (en) * | 2021-12-14 | 2022-03-15 | 深圳市瀚达美电子有限公司 | Direct type energy-saving vehicle-mounted backlight module with active driving device and driving method |
| CN114187838B (en) * | 2021-12-14 | 2022-07-15 | 深圳市瀚达美电子有限公司 | Direct type energy-saving vehicle-mounted backlight module with active driving device and driving method |
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Application publication date: 20200925 |