CN112311203B - Linear power supply and using method thereof - Google Patents

Linear power supply and using method thereof Download PDF

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Publication number
CN112311203B
CN112311203B CN202011122213.3A CN202011122213A CN112311203B CN 112311203 B CN112311203 B CN 112311203B CN 202011122213 A CN202011122213 A CN 202011122213A CN 112311203 B CN112311203 B CN 112311203B
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Prior art keywords
fan
protective shell
power supply
shell
linear power
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CN202011122213.3A
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CN112311203A (en
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刘成
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Good Will Electronic Suzhou Co ltd
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Good Will Electronic Suzhou Co ltd
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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • 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
    • H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
    • H05K7/209—Heat transfer by conduction from internal heat source to heat radiating structure
    • 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
    • H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
    • H05K7/20909—Forced ventilation, e.g. on heat dissipaters coupled to components
    • H05K7/20918—Forced ventilation, e.g. on heat dissipaters coupled to components the components being isolated from air flow, e.g. hollow heat sinks, wind tunnels or funnels
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/0045—Converters combining the concepts of switch-mode regulation and linear regulation, e.g. linear pre-regulator to switching converter, linear and switching converter in parallel, same converter or same transistor operating either in linear or switching mode

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Power Engineering (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)

Abstract

The invention discloses a linear power supply and a use method thereof, wherein the linear power supply can blow external cold air to a consumption-reducing energy-saving device to cool the consumption-reducing energy-saving device; the hot air in the protective shell can be blown to the outside, so that the temperature in the protective shell is reduced; and the protection shell is convenient to open, so that the inside of the linear power supply is convenient to overhaul.

Description

Linear power supply and using method thereof
Technical Field
The invention relates to the technical field of power supplies, in particular to a linear power supply and a using method thereof.
Background
At present, linear power supplies with built-in consumption-reducing and energy-saving devices are mostly used in the field of linear power supplies, a switching power supply inputs a higher voltage to a voltage-reducing type change circuit, and then the voltage is reduced by the linear voltage-reducing circuit, and a lower voltage is output by an output circuit.
However, when the output is changed from the constant voltage state to the constant current state, if the output circuit is short-circuited and the voltage obtained from the buck converter circuit is not reduced, the excessive voltage needs to be absorbed by the buck tube of the linear buck converter circuit, and the excessive power is consumed in a heating manner, so that the heat dissipation sheet volume and the heat dissipation manner of the linear power supply have extremely high requirements, the thermal noise is indirectly added to the whole linear power supply, and the internal elements of the linear power supply are very easy to burn out.
Disclosure of Invention
The invention aims to provide a linear power supply, which comprises a protective shell and a consumption-reducing and energy-saving device, wherein the consumption-reducing and energy-saving device is fixedly arranged on the inner bottom wall of the protective shell, the protective shell comprises a first protective shell and a second protective shell, the first protective shell is positioned at the top of the second protective shell, the top of the second protective shell is fixedly connected with a clamping strip, the bottom of the first protective shell is provided with a clamping groove, the clamping strip is positioned in the clamping groove and is contacted with the inner wall of the clamping groove, a first fan is fixedly arranged on the inner top wall of the first protective shell, the first fan is positioned at the top of the consumption-reducing and energy-saving device, a second fan is fixedly arranged on the left side wall of the first protective shell, a temperature sensor and a controller are fixedly arranged on the inner wall of the back of the second protective shell, and the temperature sensor is electrically connected with the controller, the first fan and the second fan are both electrically connected with the temperature sensor, a through groove is formed in the top of the first protection shell and is positioned on the left side of the first fan, and radiating fins which are arranged at equal intervals are rotatably connected between the front side and the back side of the through groove; the bottom between two adjacent radiating fins is provided with a connecting rod, and the left end and the right end of the connecting rod are respectively hinged on the two adjacent radiating fins; two dustproof filter screens are fixedly mounted on the first protective shell and are respectively positioned at the top of the first fan and on the left side of the second fan; the front and back surfaces of the first protective shell and the second protective shell are fixedly connected with perforated plates, rubber plugs are movably mounted on the front and back surfaces of the first protective shell, and the bottom ends of the two rubber plugs penetrate through and extend to the bottoms of the two adjacent perforated plates respectively; the fan blades of the first fan are installed downwards, and the fan blades of the second fan are installed leftwards.
The invention also provides a using method of the linear power supply, which comprises the following steps:
when the linear power supply needs to be used, the linear power supply is communicated with the power supply, the energy-saving and consumption-reducing device inside the protective shell can generate heat and heat the surface of the protective shell, one radiating fin inside the through groove is pushed to incline the radiating fin, the connecting rod at the bottom of the radiating fin moves along with the radiating fin and drives other radiating fins to incline synchronously, and hot air inside the protective shell exchanges heat with external air so as to reduce the temperature inside the protective shell for heat dissipation; moreover, the temperature sensor monitors the internal temperature of the protective shell, when the internal temperature of the protective shell is too high, the temperature sensor is triggered to send a signal to be transmitted to the controller, and the controller enables the first fan and the second fan to be electrified to work; the first fan blows external cold air to the consumption-reducing and energy-saving device to cool the consumption-reducing and energy-saving device; the second fan blows the hot air inside the protection casing to the outside, so as to reduce the temperature inside the protection casing.
Preferably, when the linear power supply needs to be overhauled, the rubber plug is pulled upwards firstly, so that the rubber plug is separated from the perforated plate, then the first protection shell is lifted upwards until the clamping groove is separated from the clamping strip, the first protection shell is separated from the second protection shell at the moment, and then the linear power supply is overhauled.
Compared with the prior art, the invention has the advantages that:
(1) when the linear power supply needs to be used, the linear power supply is firstly communicated with the power supply, the consumption-reducing and energy-saving device in the protective shell generates a large amount of heat when starting to operate, when a user finds that the surface of the device generates some heat, the radiating fins in the through grooves can be pushed, because the radiating fins are rotatably connected, the radiating fins can incline, when the radiating fins move, the connecting rods at the bottoms of the radiating fins can also move along with the radiating fins to drive other radiating fins to incline similarly, so that the hot air in the protective shell exchanges heat with the external air, the temperature in the protective shell is reduced to radiate the heat, the connecting rods are arranged, the user only needs to rotate one radiating fin to incline all the radiating fins simultaneously, the operation steps of the user are reduced, when the temperature in the protective shell is overhigh, the temperature sensor detects that a signal is transmitted to the controller, the controller energizes the first fan and the second fan to work, the fan blades of the first fan blow external cold air downwards to the consumption-reducing energy-saving device to reduce the temperature of the consumption-reducing energy-saving device, the fan blades of the second fan blow hot air inside the protective shell towards the outside leftwards to reduce the temperature inside the protective shell, the arrangement can ensure that the air inside the protective shell can quickly circulate, so as to quickly dissipate heat of the device, when the protective shell is opened to overhaul the inside of the protective shell, the rubber plug is firstly pulled upwards to separate the rubber plug from the perforated plate, the first protective shell and the second protective shell can be tightly connected by matching use between the rubber plug and the perforated plate, the first protective shell is prevented from falling off from the upper part of the second protective shell, then the first protective shell is lifted upwards until the clamping groove is separated from the clamping strip, and at the moment, the first protective shell and the second protective shell are separated, alright with overhaul its inside, solved the not good problem of linear power supply radiating effect in the past.
(2) This scheme, the connecting rod of fin bottom also can remove thereupon when the fin takes place to remove, drives other fins and takes place the same slope, and the setting up of connecting rod makes the user only need rotate a fin can make whole fins slope simultaneously, reduces user of service's operation step.
(3) This scheme, the setting of dustproof filter screen can make dust or winged insect can't get into inside the protection casing through first fan and second fan installation department, prevents that the dust from damaging protection casing internal component.
(4) This scheme, when will open protection casing and overhaul its inside, at first upwards drag the rubber buffer for the rubber buffer separates with the perforated plate, and the cooperation between rubber buffer and the perforated plate is used and can be so that to be connected between first protection casing and the second protective housing closely, prevents that first protection casing from droing from second protective housing top.
(5) This scheme, the fan blade of first fan is downward blows outside cold air to consumption reduction and energy saving device and to its cooling, and the fan blade of second fan then can be blown the inside hot-air of protection casing to outside so that reduce the inside temperature of protection casing left, sets up like this and can so that the inside quick circulation of air of protection casing to dispel the heat fast to this device.
Drawings
FIG. 1 is a schematic front perspective view of the present invention;
fig. 2 is a schematic perspective view of a second protective case according to the present invention;
FIG. 3 is a schematic front sectional view of the present invention;
fig. 4 is an enlarged schematic view of a portion a in fig. 3 according to the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
The technical scheme of the specific implementation of the invention is as follows:
as shown in fig. 1 to 4, the invention provides a linear power supply with good heat dissipation effect, which comprises a protection casing 1 and a consumption-reducing energy-saving device 2, wherein the consumption-reducing energy-saving device 2 is fixedly installed on the inner bottom wall of the protection casing 1, the protection casing 1 comprises a first protection casing 101 and a second protection casing 102, the first protection casing 101 is located at the top of the second protection casing 102, the top of the second protection casing 102 is fixedly connected with a clamping strip 3, the bottom of the first protection casing 101 is provided with a clamping groove 4, the clamping strip 3 is located inside the clamping groove 4 and contacts with the inner wall thereof, a first fan 5 is fixedly installed on the inner top wall of the first protection casing 101, the first fan 5 is located at the top of the consumption-reducing energy-saving device 2, a second fan 6 is fixedly installed on the left side wall of the first protection casing 101, a temperature sensor 7 and a controller 8 are fixedly installed on the inner wall of the back of the second protection casing 102, and the temperature sensor 7 is electrically connected with the controller 8, the first fan 5 and the second fan 6 are both electrically connected with the temperature sensor 7, the top of the first protective shell 101 is provided with a through groove 9, the through groove 9 is positioned at the left side of the first fan 5, the radiating fins 10 which are arranged at equal intervals are rotatably connected between the front inner wall and the back inner wall of the through groove 9, firstly, the linear power supply is communicated with the power supply, the consumption-reducing and energy-saving device 2 in the protective shell 1 can generate a large amount of heat when starting to operate, when a user finds that the surface of the device is slightly heated, the radiating fins 10 in the through groove 9 can be pushed, because the radiating fins 10 are rotatably connected, the radiating fins 10 can incline, when the radiating fins 10 move, the connecting rods 11 at the bottoms of the radiating fins 10 can also move along with the connecting rods, so as to drive other radiating fins 10 to incline the same, the hot air in the protective shell 1 exchanges heat with the outside air, and the temperature in the protective shell 1 is reduced to radiate the heat, the connecting rod 11 is arranged to enable a user to rotate one cooling fin 10 to enable all the cooling fins 10 to incline simultaneously, so that the operation steps of the user are reduced, when the temperature inside the protective shell 1 is too high, the temperature sensor 7 can detect that a signal is transmitted to the controller 8, the controller 8 enables the first fan 5 and the second fan 6 to be electrified to work, the fan blades of the first fan 5 downwards blow external cold air to the consumption-reducing energy-saving device 2 to reduce the temperature of the consumption-reducing energy-saving device, the fan blades of the second fan 6 towards the left can blow hot air inside the protective shell 1 to the outside to reduce the temperature inside the protective shell 1, the arrangement can enable air inside the protective shell 1 to quickly circulate, so that the device can quickly dissipate heat, when the protective shell 1 is opened to overhaul the inside of the protective shell, the rubber plug 14 is firstly pulled upwards to separate from the perforated plate 13, the cooperation between rubber buffer 14 and the perforated plate 13 is used and can be so that be connected between first protective housing 101 and the second protective housing 102 closely, prevents that first protective housing 101 from coming off from second protective housing 102 top, upwards mentions first protective housing 101 after that, until joint groove 4 and joint strip 3 separate, first protective housing 101 just separates with second protective housing 102 this moment, alright overhaul its inside, solved the not good problem of linear power supply radiating effect in the past.
Further, the bottom between two adjacent radiating fins 10 is provided with a connecting rod 11, the left end and the right end of the connecting rod 11 are respectively hinged to the two adjacent radiating fins 10, when the radiating fins 10 move, the connecting rod 11 at the bottom of the radiating fins 10 can move along with the moving, other radiating fins 10 are driven to incline similarly, the connecting rod 11 enables a user to incline all the radiating fins 10 simultaneously by only rotating one radiating fin 10, and operation steps of the user are reduced.
Further, fixed mounting has two dustproof filter screens 12 on the first protecting sheathing 101, and two dustproof filter screens 12 are located the top of first fan 5 and the left side of second fan 6 respectively, and the setting of dustproof filter screen 12 can make dust or winged insect can't get into inside the protecting sheathing 1 through first fan 5 and the installation department of second fan 6, prevents that the dust from damaging protecting 1 internal element of casing.
Further, the equal fixedly connected with perforated plate 13 in the front and the back of first protective housing 101 and second protective housing 102, the equal movable mounting in front and the back of first protective housing 101 has rubber buffer 14, the bottom of two rubber buffers 14 runs through respectively and extends to the bottom of two adjacent perforated plates 13, when will opening protective housing 1 and overhaul its inside, at first upwards drag rubber buffer 14, make rubber buffer 14 and perforated plate 13 separate, cooperation between rubber buffer 14 and the perforated plate 13 is used and can be made and be connected closely between first protective housing 101 and the second protective housing 102, prevent that first protective housing 101 from coming off from second protective housing 102 top.
Furthermore, the fan blades of the first fan 5 are installed downwards, the fan blades of the second fan 6 are installed leftwards, the fan blades of the first fan 5 blow outside cold air downwards to the consumption-reducing and energy-saving device 2 to cool the consumption-reducing and energy-saving device, the fan blades of the second fan 6 can blow outside hot air inside the protective shell 1 leftwards to reduce the temperature inside the protective shell 1, and the arrangement can enable air inside the protective shell 1 to circulate fast, so that the device can dissipate heat fast.
In the scheme, the models of the first fan 5 and the second fan 6 can be 1232ABHL-15 mm; the model of the temperature sensor 7 can be SPWZ-K0.2; the controller 8 may be model number ZKS-M8.
The invention also provides a using method of the linear power supply, which comprises the following steps: when the linear power supply needs to be used, the linear power supply is firstly communicated with the power supply, the energy-saving and consumption-reducing device 2 in the protective shell 1 can generate a large amount of heat when starting to operate, when a user finds that the surface of the energy-saving and consumption-reducing device is slightly heated, the radiating fins 10 in the through grooves 9 can be pushed, because the radiating fins 10 are rotatably connected, the radiating fins 10 can incline, when the radiating fins 10 move, the connecting rods 11 at the bottoms of the radiating fins 10 can move along with the radiating fins to drive other radiating fins 10 to incline similarly, so that hot air in the protective shell 1 exchanges heat with external air, the internal temperature of the protective shell 1 is reduced to radiate the heat, when the internal temperature of the protective shell 1 is too high, the temperature sensor 7 can detect signals and transmit the signals to the controller 8, the controller 8 enables the first fan 5 and the second fan 6 to work electrically, the fan blades of the first fan 5 blow external cold air downwards to the energy-saving and consumption-reducing device 2 to reduce the temperature, the fan blade of second fan 6 then can blow the inside hot-air of protection casing 1 to outside with this to reduce the inside temperature of protection casing 1 left, when will opening protection casing 1 and overhaul its inside, at first upwards drag rubber buffer 14 for rubber buffer 14 separates with perforated plate 13, upwards mentions first protection casing 101 after that, until joint groove 4 and joint strip 3 separation, first protection casing 101 just separates with second protection casing 102 this moment, alright overhaul its inside.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (3)

1. A linear power supply is characterized by comprising a protection shell and a consumption-reducing and energy-saving device, wherein the consumption-reducing and energy-saving device is fixedly arranged on the inner bottom wall of the protection shell, the protection shell comprises a first protection shell and a second protection shell, the first protection shell is positioned at the top of the second protection shell, the top of the second protection shell is fixedly connected with a clamping strip, the bottom of the first protection shell is provided with a clamping groove, the clamping strip is positioned in the clamping groove and is contacted with the inner wall of the clamping groove, a first fan is fixedly arranged on the inner top wall of the first protection shell, the first fan is positioned at the top of the consumption-reducing and energy-saving device, a second fan is fixedly arranged on the left side wall of the first protection shell, a temperature sensor and a controller are fixedly arranged on the inner wall of the back of the second protection shell, the temperature sensor and the controller are electrically connected, and the first fan and the second fan are both electrically connected with the temperature sensor, a through groove is formed in the top of the first protective shell and is positioned on the left side of the first fan, and radiating fins which are arranged at equal intervals are rotatably connected between the front surface and the inner wall of the back surface of the through groove; the bottom between two adjacent radiating fins is provided with a connecting rod, and the left end and the right end of the connecting rod are respectively hinged on the two adjacent radiating fins; two dustproof filter screens are fixedly mounted on the first protective shell and are respectively positioned at the top of the first fan and on the left side of the second fan; the front and back surfaces of the first protective shell and the second protective shell are fixedly connected with perforated plates, rubber plugs are movably mounted on the front and back surfaces of the first protective shell, and the bottom ends of the two rubber plugs penetrate through and extend to the bottoms of the two adjacent perforated plates respectively; the fan blades of the first fan are installed downwards, and the fan blades of the second fan are installed leftwards.
2. A method of using a linear power supply as claimed in claim 1, wherein:
when the linear power supply needs to be used, the linear power supply is communicated with the power supply, the energy-saving and consumption-reducing device inside the protective shell can generate heat and heat the surface of the protective shell, one radiating fin inside the through groove is pushed to incline the radiating fin, the connecting rod at the bottom of the radiating fin moves along with the radiating fin and drives other radiating fins to incline synchronously, and hot air inside the protective shell exchanges heat with external air so as to reduce the temperature inside the protective shell for heat dissipation; moreover, the temperature sensor monitors the internal temperature of the protective shell, when the internal temperature of the protective shell is too high, the temperature sensor is triggered to send a signal to be transmitted to the controller, and the controller enables the first fan and the second fan to be electrified to work; the first fan blows external cold air to the consumption-reducing and energy-saving device to cool the consumption-reducing and energy-saving device; the second fan blows the hot air inside the protection casing to the outside, so as to reduce the temperature inside the protection casing.
3. A method of using a linear power supply as claimed in claim 2, wherein:
when linear power needs to be overhauled, drag the rubber buffer upwards earlier, make rubber buffer and foraminiferous plate separate, then upwards mention first protective housing, until joint groove and joint strip separation, first protective housing and second protective housing separated this moment, then overhaul linear power.
CN202011122213.3A 2020-10-20 2020-10-20 Linear power supply and using method thereof Active CN112311203B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011122213.3A CN112311203B (en) 2020-10-20 2020-10-20 Linear power supply and using method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011122213.3A CN112311203B (en) 2020-10-20 2020-10-20 Linear power supply and using method thereof

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CN112311203A CN112311203A (en) 2021-02-02
CN112311203B true CN112311203B (en) 2022-04-26

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Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN207053373U (en) * 2017-07-25 2018-02-27 天津中泰智达电气科技有限公司 A kind of power protection shell for being easy to radiating
CN210537228U (en) * 2019-09-12 2020-05-15 南京富睿微电子科技有限公司 Controller for brushless electric pruning machine
CN110594853B (en) * 2019-09-12 2021-04-23 聊城市德通交通器材制造有限公司 Automatic steering adjusting device of radiator
CN210895328U (en) * 2019-12-27 2020-06-30 广州逸璇科技有限公司 Heat dissipation equipment for computer network equipment

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