CN110445367A - A kind of regular Self-check protection device of DC power supply - Google Patents

Abstract

The invention discloses a kind of regular Self-check protection devices of DC power supply; including shell, protection mechanism and buzzer siren; the two sides up and down of the shell are mounted on rubber tube; and spacer is installed in the middle part of rubber tube; dust suction cotton is mounted at left and right sides of the protection mechanism; and protection mechanism is located at the inside of shell; the side of the vertical centerline of the dust suction cotton far from protection mechanism is equipped with heat release hole; the front end of the buzzer siren is equipped with warning lamp, and buzzer siren is located at the front end of shell.The regular Self-check protection device of the DC power supply is provided with rubber tube; by rubber tube reliable placement space effectively can be provided for the harness of device; and it can effectively limit the position of rubber tube; fetter harness at random; it prevents from mutually winding between harness; and harness occupied space inside housings is reduced, the position of rubber tube can be effectively limited by the orbicule structure of rubber tube, and user is avoided to pull harness fracture.

Description

A kind of regular Self-check protection device of DC power supply

Technical field

The present invention relates to plate foaming technical field, specially a kind of regular Self-check protection device of DC power supply.

Background technique

DC power supply refers to that DC power supply has positive and negative two electrodes, and positive current potential is high, and the current potential of cathode is low, when two After electrode and circuit communication, it can make to maintain constant potential difference between circuit both ends, to be formed in external circuit by anode To the electric current of cathode, DC power supply is a kind of energy conversion device, and the energy of other forms is converted to electric energy supply circuit by it, To maintain the steady of electric current to flow, with the development of scientific and technological level, what the raising of living standards of the people and electric equipment products used It becoming increasingly popular, people are also increasingly paid attention to using safe electric appliance, therefore are come into being with regular Self-check protection device, but In actual use, on the one hand, be not the requirement that each user can defer to " testing before use ", thus nothing Method guarantees that function of the leakage circuit breakers before use is normal；On the other hand, even if people use earth leakage protective device Preceding test, but in use, such as fruit product creepage protection function loses (such as the electric heating for having a leakage protecting plug Hydrophone causes defencive function to be lost in electrification use process because of the damage of certain components), when electric appliance leaks electricity, leakage Non-electricity protector can not just provide the warning of electric leakage or cut off the power, so as to will lead to the generation of personal injury accident, At this point, needing a kind of regular Self-check protection device of DC power supply to guarantee the safety that DC power supply uses.

In use, the component inside device is easy to produce heat to existing protective device, and the heat inside device Amount cannot radiate well, and the inside in device of harness is more at random, is easy to occupy biggish space, and cannot For harness reliable constraint is provided well, meanwhile, abrasion of the alleviator to harness, and circuit inside device pass through Electric current it is larger when, at this point, the component inside device is easily damaged, reliable protection mechanism cannot be provided well for device, It is not well positioned to meet the use demand of people, for above situation, technological innovation is carried out on the basis of existing protective device.

Summary of the invention

The purpose of the present invention is to provide a kind of regular Self-check protection devices of DC power supply, to solve in above-mentioned background technique It is proposed existing protective device in use, the component inside device is easy to produce heat, and the heat inside device is not It can radiate well, and the inside in device of harness is more at random, be easy to occupy biggish space, and cannot be fine It is that harness provides reliable constraint, meanwhile, abrasion of the alleviator to harness, and the electricity that circuit inside device passes through When flowing larger, at this point, the component inside device is easily damaged, reliable protection mechanism cannot be provided for device well, it cannot Meet the use demand problem of people well.

To achieve the above object, the invention provides the following technical scheme: a kind of regular Self-check protection device of DC power supply, packet Shell, protection mechanism and buzzer siren are included, the two sides up and down of the shell are mounted on rubber tube, and the middle part peace of rubber tube Equipped with spacer, dust suction cotton is mounted at left and right sides of the protection mechanism, and protection mechanism is located at the inside of shell, the suction The side of vertical centerline of the dirt cotton far from protection mechanism is equipped with heat release hole, and the front end of the buzzer siren is equipped with warning Lamp, and buzzer siren is located at the front end of shell.

Preferably, it is locally fitted closely between the interior surface of the shell and the outer surface of dust suction cotton, and dust suction cotton Between about shell vertical centerline it is symmetrical, and heat release hole is uniformly distributed along the vertical centerline direction of dust suction cotton.

Preferably, the rubber tube is through the inside of spacer, and between the central axes of rubber tube and the central axes of spacer It overlaps, and the end of rubber tube is in orbicule structure.

Preferably, the protection mechanism includes casing, copper sheet, fixed block, fuse, sliding slot and adjusting screw rod, the set Pipe is internally provided with fuse, and the two sides up and down of fuse are mounted on sliding slot, and the sliding slot is internally provided with copper sheet, And copper sheet is equipped with fixed block far from the side of sliding slot, the fixed block is internally provided with adjusting screw rod.

Preferably, the copper sheet, which passes through, constitutes slide construction between sliding slot and casing, and about fuse between copper sheet Vertical centerline is symmetrical.

Preferably, the vertical centerline between the fixed block and adjusting screw rod about casing is symmetrical, and adjusts spiral shell The inside of bar is in hollow cylinder structure.

Preferably, the central axes between the warning lamp, buzzer siren and shell three overlap, and buzzing is alarmed It is to be threadedly coupled between device and shell.

Compared with prior art, beneficial effects of the present invention are as follows:

1, the present invention is provided with rubber tube, and it is empty effectively can to provide reliable placement by rubber tube for the harness of device Between, and the position of rubber tube can be effectively limited, meanwhile, harness at random is fettered, prevents from mutually winding between harness, is hindered Hinder the arrangement of harness, and reduce harness occupied space inside housings, can have by the orbicule structure of rubber tube The position of the limitation rubber tube of effect, avoids user from pullling harness, leads to harness wear and rupture, be provided with fuse, when conducting wire is logical Copper sheet is crossed and when fuse is connected, at this point, fuse causes to be broken, at this point, circuit if the electric current by fuse is excessive Open circuit, device can not do work, and can be effectively protected the component inside the circuit and protective device of device, inside avoiding device Electric current it is excessive, cause device to damage, effectively can provide reliable defencive function for device, enable a device to The safety acting of effect only needs to change fuse when fuse damage, being capable of other groups inside effective avoiding device The damage of part, the increase of caused maintenance cost；

2, the present invention is provided with adjusting screw rod, is fixedly connected between copper sheet and fixed block, and copper sheet runs through into fixed block Inside, harness is pierced by from the inside of adjusting screw rod, at this point, rotation adjusting screw rod so that between adjusting screw rod and fixed block It is threadedly coupled, drives harness movement by tightening adjusting screw rod, so that being bonded to each other between harness and copper sheet, at this point, adjusting It avoids harness to loosen so as to effectively limit the position of harness for the connection that is screwed between section screw rod and fixed block, makes The conducting that the circuit inside device can be stable is obtained, meanwhile, when harness is damaged or needed replacing, allow user convenient and fast Harness is replaced or is dismantled, the time consumed by replacement harness can be effectively reduced；

3, of the invention to be provided with heat release hole and dust suction cotton, dust suction cotton can effectively adsorb the dust of enclosure interior, with And reduce outside air in gas import shell inside when bring a large amount of dust into, avoid dust accretions or be adsorbed on shell The surface of internal electronic component, hinders the heat dissipation of electronic component, the normal acting of electronic component is influenced, meanwhile, it is capable to effectively Absorption enclosure interior space in moist gas, delay erosion of the wet gas to enclosure interior component, and pass through heat dissipation Hole effectively can provide reliable ventilated environment for the gas of enclosure interior, enable the component of enclosure interior stable into Row heat dissipation, and enable to the gas outside device that can carry out being connected inside housings, so that outside device The gas in portion carries out device to continue heat dissipation, and avoids the space sealing of enclosure interior, to generate peculiar smell and accelerate shell The rate of ageing of internal parts, is provided with warning lamp and buzzer siren, inside device when the temperature is excessively high, at this point, alert Show that lamp and buzzer siren do work, for reminding user, improve device using safe.

Detailed description of the invention

Fig. 1 is schematic view of the front view of the present invention；

Fig. 2 is front-end architecture schematic diagram of the present invention；

Fig. 3 is the schematic diagram of internal structure of protection mechanism of the present invention；

Fig. 4 is the schematic diagram of internal structure of fixed block of the present invention；

Fig. 5 is the side structure schematic view of fixed block of the present invention.

In figure: 1, shell；2, rubber tube；3, protection mechanism；301, casing；302, copper sheet；303, fixed block；304, insure Silk；305, sliding slot；306, adjusting screw rod；4, spacer；5, heat release hole；6, dust suction cotton；7, warning lamp；8, buzzer siren.

Specific embodiment

Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.

Fig. 1-5 is please referred to, the present invention provides a kind of technical solution: a kind of regular Self-check protection device of DC power supply, including Shell 1, protection mechanism 3 and buzzer siren 8, the two sides up and down of shell 1 are mounted on rubber tube 2, and the middle part peace of rubber tube 2 Equipped with spacer 4, rubber tube 2 is through the inside of spacer 4, and phase mutual respect between the central axes of rubber tube 2 and the central axes of spacer 4 It closes, and the end of rubber tube 2 is in orbicule structure, can effectively be provided reliably for the harness of device by rubber tube 2 Placement space, and the position of rubber tube 2 can be effectively limited, meanwhile, harness at random is fettered, is prevented between harness mutually Winding hinders the arrangement of harness, and reduces harness space occupied by 1 inside of shell, passes through the orbicule knot of rubber tube 2 Structure can effectively limit the position of rubber tube 2, and user is avoided to pull harness, lead to harness wear and rupture；

Protection mechanism 3 includes casing 301, copper sheet 302, fixed block 303, fuse 304, sliding slot 305 and adjusting screw rod 306, casing 301 is internally provided with fuse 304, and the two sides up and down of fuse 304 are mounted on sliding slot 305, copper sheet 302 By constituting slide construction, and the vertical centerline pair between copper sheet 302 about fuse 304 between sliding slot 305 and casing 301 Claim distribution, when conducting wire is connected by copper sheet 302 and fuse 304, at this point, if the electric current by fuse 304 is excessive, Fuse 304 causes to be broken, at this point, circuit breaker, device can not do work, and the circuit of device, and protection can be effectively protected Component inside device, the electric current inside avoiding device is excessive, causes device to damage, can effectively provide reliably for device Defencive function enables a device to carry out effectively safety acting, when fuse 304 damages, only needs to change fuse 304 i.e. Can, it is capable of the damage of other assemblies inside effective avoiding device, the increase of caused maintenance cost, the inside of sliding slot 305 It is provided with copper sheet 302, and copper sheet 302 is equipped with fixed block 303 far from the side of sliding slot 305, fixed block 303 is internally provided with Adjusting screw rod 306, the vertical centerline between fixed block 303 and adjusting screw rod 306 about casing 301 is symmetrical, and adjusts The inside of screw rod 306 is in hollow cylinder structure, is fixedly connected between copper sheet 302 and fixed block 303, and copper sheet 302 runs through Harness is pierced by by the inside for entering fixed block 303 from the inside of adjusting screw rod 306, at this point, rotation adjusting screw rod 306, so that adjusting Be threadedly coupled between screw rod 306 and fixed block 303, drive harness mobile by tightening adjusting screw rod 306 so that harness with It is bonded to each other between copper sheet 302, at this point, being the connection that is screwed between adjusting screw rod 306 and fixed block 303, so as to have The position of the limitation harness of effect, avoids harness from loosening, the conducting for enabling the circuit inside device stable, meanwhile, work as harness When damaging or needing replacing, allow user that easily harness is replaced or dismantled, can effectively reduce more thread-changing Time consumed by beam, the left and right sides of protection mechanism 3 is mounted on dust suction cotton 6, and protection mechanism 3 is located at the inside of shell 1, It is locally fitted closely between the interior surface of shell 1 and the outer surface of dust suction cotton 6, and about the perpendicular of shell 1 between dust suction cotton 6 Straight center line is symmetrical, and heat release hole 5 is uniformly distributed along the vertical centerline direction of dust suction cotton 6, and dust suction cotton 6 can be effective Absorption shell 1 inside dust, and reduce outside air in gas importing shell 1 inside when bring a large amount of ash into Dirt, the surface of electronic component for avoiding dust accretions or being adsorbed on inside shell 1, hinders the heat dissipation of electronic component, influences electronics The normal acting of element delays wet gas pair meanwhile, it is capable to effectively adsorb the moist gas in 1 inner space of shell The erosion of 1 internal component of shell, and by heat release hole 5 reliable venting ring effectively can be provided for the gas inside shell 1 Border, enable the component inside shell 1 it is stable radiate, and enable to the gas outside device can be in shell Be connected inside 1, so that the gas outside device carries out device to continue heat dissipation, and avoid in shell 1 The space sealing in portion, to generate peculiar smell and accelerate the rate of ageing of 1 internal component of shell；

The side of vertical centerline of the dust suction cotton 6 far from protection mechanism 3 is equipped with heat release hole 5, the front end of buzzer siren 8 Warning lamp 7 is installed, and buzzer siren 8 is located at the front end of shell 1, between 1 three of warning lamp 7, buzzer siren 8 and shell Central axes overlap, and to be threadedly coupled between buzzer siren 8 and shell 1, inside device when the temperature is excessively high, this When, warning lamp 7 and buzzer siren 8 do work, for reminding user, improve device using safe, wherein warning lamp 7 Model AP8M25 type, the model BJ-1 type of buzzer siren 8.

Working principle: in Self-check protection device regular using the DC power supply, firstly, running through harness into rubber tube 2 Inside, effectively can provide reliable placement space by rubber tube 2 for the harness of device, and can effectively limit The position of rubber tube 2, meanwhile, harness at random is fettered, prevents from mutually winding between harness, hinders the arrangement of harness, and subtract Few harness space occupied by 1 inside of shell, can effectively limit rubber tube 2 by the orbicule structure of rubber tube 2 Position avoids user from pullling harness, leads to harness wear and rupture；

Secondly, harness is pierced by from the inside of adjusting screw rod 306, at this point, rotation adjusting screw rod 306, so that adjusting screw rod It is threadedly coupled between 306 and fixed block 303, drives harness mobile by tightening adjusting screw rod 306, and copper sheet 302 and solid Determine to be fixedly connected between block 303, and copper sheet 302 runs through the inside into fixed block 303, so that phase between harness and copper sheet 302 Mutually fitting, at this point, being the connection that is screwed between adjusting screw rod 306 and fixed block 303, so as to effectively limit harness Position avoids harness from loosening, the conducting for enabling the circuit inside device stable, meanwhile, when harness damages or needs replacing When, allow user that easily harness is replaced or dismantled, can effectively reduce the time consumed by replacement harness, Thirdly, when conducting wire is connected by copper sheet 302 and fuse 304, at this point, if the electric current by fuse 304 is excessive, Fuse 304 causes to be broken, at this point, circuit breaker, device can not do work, and the circuit of device, and protection can be effectively protected Component inside device, the electric current inside avoiding device is excessive, causes device to damage, can effectively provide reliably for device Defencive function enables a device to carry out effectively safety acting, when fuse 304 damages, only needs to change fuse 304 i.e. Can, it is capable of the damage of other assemblies inside effective avoiding device, then the increase of caused maintenance cost passes through heat dissipation Hole 5 effectively can provide reliable ventilated environment for the gas inside shell 1, and the component inside shell 1 is stablized Carry out radiate, and enable to the gas outside device that can be connected inside shell 1, so that dress External gas is set device is carried out to continue heat dissipation, meanwhile, dust suction cotton 6 can effectively adsorb the dust inside shell 1, and It reduces when the gas in outside air imports the inside of shell 1 and brings a large amount of dust into, avoid dust accretions or be adsorbed on shell 1 The surface of internal electronic component, hinders the heat dissipation of electronic component, the normal acting of electronic component is influenced, meanwhile, it is capable to effectively Absorption 1 inner space of shell in moist gas, delay erosion of the wet gas to 1 internal component of shell；

Finally, inside device when the temperature is excessively high, at this point, effect of the warning lamp 7 by device internal temperature, temperature is super The preset temperature of warning lamp 7 out provides significant prompting so that warning lamp 7 lights for user, meanwhile, temperature exceeds buzzing When the temperature of the internal preset of alarm 8, at this point, buzzer siren 8 sounds, warning lamp 7 and buzzer siren 8 do work, For reminding user, improve device using safe, wherein the model AP8M25 type of warning lamp 7, the type of buzzer siren 8 Number be BJ-1 type, inside the device involved in circuit and connection type, circuit is known technology, and here it is the direct currents The working principle of the regular Self-check protection device in source.

It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding And modification, the scope of the present invention is defined by the appended.

Claims (7)

1. a kind of regular Self-check protection device of DC power supply, including shell (1), protection mechanism (3) and buzzer siren (8), Be characterized in that: the two sides up and down of the shell (1) are mounted on rubber tube (2), and are equipped with spacer in the middle part of rubber tube (2) (4), it is mounted on dust suction cotton (6) at left and right sides of the protection mechanism (3), and protection mechanism (3) is located at the interior of shell (1) The side in portion, vertical centerline of the dust suction cotton (6) far from protection mechanism (3) is equipped with heat release hole (5), the buzzing alarm The front end of device (8) is equipped with warning lamp (7), and buzzer siren (8) is located at the front end of shell (1).

2. the regular Self-check protection device of a kind of DC power supply according to claim 1, it is characterised in that: the shell (1) Interior surface and dust suction cotton (6) outer surface between locally fit closely, and about shell (1) between dust suction cotton (6) Vertical centerline is symmetrical, and heat release hole (5) is uniformly distributed along the vertical centerline direction of dust suction cotton (6).

3. the regular Self-check protection device of a kind of DC power supply according to claim 1, it is characterised in that: the rubber tube (2) it through the inside of spacer (4), and overlaps between the central axes of rubber tube (2) and the central axes of spacer (4), and The end of rubber tube (2) is in orbicule structure.

4. the regular Self-check protection device of a kind of DC power supply according to claim 1, it is characterised in that: the protection mechanism It (3) include casing (301), copper sheet (302), fixed block (303), fuse (304), sliding slot (305) and adjusting screw rod (306), Described sleeve pipe (301) is internally provided with fuse (304), and the two sides up and down of fuse (304) are mounted on sliding slot (305), the sliding slot (305) is internally provided with copper sheet (302), and copper sheet (302) is equipped with far from the side of sliding slot (305) Fixed block (303), the fixed block (303) are internally provided with adjusting screw rod (306).

5. the regular Self-check protection device of a kind of DC power supply according to claim 4, it is characterised in that: the copper sheet (302) by constituting slide construction between sliding slot (305) and casing (301), and about fuse (304) between copper sheet (302) Vertical centerline it is symmetrical.

6. the regular Self-check protection device of a kind of DC power supply according to claim 4, it is characterised in that: the fixed block (303) vertical centerline between adjusting screw rod (306) about casing (301) is symmetrical, and adjusting screw rod (306) is interior Portion is in hollow cylinder structure.

7. the regular Self-check protection device of a kind of DC power supply according to claim 1, it is characterised in that: the warning lamp (7), the central axes between buzzer siren (8) and shell (1) three overlap, and buzzer siren (8) and shell (1) it Between for be threadedly coupled.