CN114709891A - Portable partitioning moisture-proof direct-current power supply with built-in fire extinguishing device - Google Patents
Portable partitioning moisture-proof direct-current power supply with built-in fire extinguishing device Download PDFInfo
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- CN114709891A CN114709891A CN202210369200.9A CN202210369200A CN114709891A CN 114709891 A CN114709891 A CN 114709891A CN 202210369200 A CN202210369200 A CN 202210369200A CN 114709891 A CN114709891 A CN 114709891A
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- 238000000638 solvent extraction Methods 0.000 title description 2
- 230000001681 protective effect Effects 0.000 claims abstract description 40
- 230000017525 heat dissipation Effects 0.000 claims abstract description 31
- 230000000712 assembly Effects 0.000 claims abstract description 8
- 238000000429 assembly Methods 0.000 claims abstract description 8
- 239000003063 flame retardant Substances 0.000 claims description 10
- 238000005192 partition Methods 0.000 claims description 4
- 238000013316 zoning Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 15
- 238000007599 discharging Methods 0.000 abstract description 5
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 6
- 239000012530 fluid Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000002269 spontaneous effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0042—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/16—Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/623—Portable devices, e.g. mobile telephones, cameras or pacemakers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6561—Gases
- H01M10/6563—Gases with forced flow, e.g. by blowers
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00309—Overheat or overtemperature protection
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- General Chemical & Material Sciences (AREA)
- Electrochemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Chemical & Material Sciences (AREA)
- Emergency Management (AREA)
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- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
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- Secondary Cells (AREA)
Abstract
The invention discloses a portable partitioned moisture-proof direct-current power supply with a built-in fire extinguishing device, and relates to the technical field of direct-current power supply equipment. The solar battery pack comprises a protective shell, wherein a first air inlet, a second air inlet and an air outlet are formed in the side surface of the protective shell, two groups of battery assemblies are arranged in the protective shell, the battery assemblies are separated by an air duct assembly arranged in the protective shell, the air duct assembly comprises an air inlet channel and an air outlet channel, the middle of the air inlet channel is communicated with the air outlet channel, each battery assembly comprises a base and a battery body, a plurality of battery bodies are arranged in the base in an array mode, and the base, the inner wall of the protective shell and the outer side surface of the air duct assembly form a heat dissipation channel. According to the invention, the outer side surface of the heat exchange component is in contact with the heat dissipation channel formed by the base, the inner wall of the protective shell and the outer side surface of the air channel component, so that heat exchange between hot air in the heat dissipation channel and cold air passing through the heat exchange component is realized, and heat generated in the charging and discharging processes of the battery body is taken out.
Description
Technical Field
The invention relates to the technical field of direct-current power supply equipment, in particular to a portable partitioned moisture-proof direct-current power supply with a built-in fire extinguishing device.
Background
The DC power supply has two electrodes, positive and negative, and the positive electrode has high potential and the negative electrode has low potential. A dc power supply is an energy conversion device that converts energy of other forms into electric energy to supply a circuit to maintain a steady flow of current. Such as dry cell batteries and storage batteries. In the existing direct current power supply placing process, moisture is brought into the direct current power supply by air on the peripheral side, so that the problem of oxidation and electric leakage of a battery electrode is easily caused.
Disclosure of Invention
The invention aims to provide a portable partitioned moisture-proof direct-current power supply with a built-in fire extinguishing device, wherein a heat dissipation channel is formed by the outer side surface of a heat exchange assembly, the inner wall of a base, the inner wall of a protective shell and the outer side surface of an air channel assembly to be in contact with each other, so that heat exchange between hot air in the heat dissipation channel and cold air passing through the heat exchange assembly is realized, heat generated in the charging and discharging process of a battery body is taken out, and the related problems in the background art are solved.
In order to solve the technical problems, the invention provides a portable moisture-proof type direct current power supply with a built-in fire extinguishing device, which comprises a protective shell, wherein a first air inlet, a second air inlet and an air outlet are formed in the side surface of the protective shell, two groups of battery assemblies are arranged in the protective shell, the battery assemblies are separated by an air duct assembly arranged in the protective shell, the air duct assembly comprises an air inlet channel and an air outlet channel, the middle part of the air inlet channel is communicated with an air outlet channel, two air inlet ends of the air inlet channel are respectively communicated with the first air inlet and the second air inlet, fan sets are arranged in the two air inlet ends of the air inlet channel, the air outlet end of the air outlet channel is communicated with the air outlet, an air inlet notch and an air outlet notch are formed in the side surface of the air outlet channel, and a heat exchange assembly positioned between the air inlet notch and the air outlet notch is arranged in the air outlet channel, the battery component comprises a base and battery bodies, a plurality of battery bodies are arranged in the base in an array manner, the inner wall of the base, the protective shell and the outer side surface of the air duct component form a heat dissipation channel which is communicated with the air inlet notch and the air outlet notch, when the battery body is charged and discharged, the fan set is electrified to work, air outside the protective shell is sucked into the air inlet channel through the first air inlet or the second air inlet, the entered air flows to the exhaust channel and is exhausted outside the protective shell through the exhaust channel through the heat exchange assembly in the heat exchange assembly, because heat exchange assemblies's lateral surface constitutes the heat dissipation channel contact with the inner wall of base, protective housing and the lateral surface of wind channel subassembly, realizes that the inside hot-air of heat dissipation channel carries out the heat exchange with the cold air through heat exchange assemblies, takes away the heat that the battery body produced at the process of charge-discharge.
Furthermore, the protective shell is formed by splicing a first shell and a second shell, bases are mounted at the bottoms of the first shell and the second shell, grid plates are mounted on the first air inlet and the second air inlet, the first air inlet and the second air inlet are located on two opposite side faces of the protective shell, the air outlet is located on the bottom face of the protective shell, and blocking of floating objects in the outside air is achieved through the installed grid plates.
Further, the outside of base is equipped with the annular, set up the vertical logical groove and the level that a plurality of communicates each other on the inner wall of annular and lead to the groove, the both ends that lead to the groove passageway vertically communicate with the notch of admitting air and the notch of giving vent to anger that correspond respectively.
Further, fire-retardant subassembly includes gas holder and communicating pipe, the gas holder intussuseption is filled with flame retardant gas, install the gas holder of two vertical distributions in the annular, two through a plurality of communicating pipe intercommunication between the gas holder, the vertical logical groove of a plurality of intercommunication each other and horizontal logical groove all form the passageway in the week survey of battery body, improve the route length that battery body week was surveyed the air and is flowed through, effectual improvement radiating effect, battery body takes place the spontaneous combustion in addition and produces high temperature and fuses communicating pipe to realize the inside flame retardant gas blowout of gas holder, avoid battery body week side to take place the burning, the air of flowing through dispels the heat to the surface of communicating pipe in normal course of the work, avoid taking place communicating pipe fusing.
Further, the wind channel subassembly is "T" font structure, inlet channel is equipped with the recess on keeping away from exhaust passage's a side, be equipped with the fin that a plurality of extended to inlet channel inside on the recess, a plurality of install control assembly on the lateral surface of fin, the air current is through the fin, dispels the heat to the fin surface to the realization is taken away the heat that produces in the control assembly work, thereby provides suitable operating temperature for control assembly.
Further, the middle part of exhaust passage is equipped with the baffle, on a tip of baffle extended to inlet channel's inner wall, form two passageways in the wind channel subassembly, all install a heat exchange assembly in each passageway, exhaust passage's bottom is equipped with exhaust notch and outside intercommunication.
Further, heat exchange assembly includes heat transfer passageway and rotation portion, all run through the mounting hole on the relative both sides face of heat transfer passageway, install rotation portion between two corresponding mounting holes, the inside gas of exhaust passage passes through rotation portion and exhausts through the exhaust notch, passageway air outlet and passageway air intake have been seted up on the side of heat transfer passageway, passageway air outlet and the notch intercommunication of admitting air that corresponds, the passageway air intake communicates with the notch of giving vent to anger that corresponds.
Further, the rotating part comprises a shaft body, a sleeve, an inner spiral blade, an outer spiral blade and a corrugated surface, the outer side of the shaft body is provided with a sleeve which is distributed coaxially, the shaft body is connected with the sleeve through an inner helical blade, the outer spiral blades are arranged on the outer side of the sleeve, the bottom end of the shaft body is provided with a corrugated surface which is matched with the corresponding mounting hole, the inner side of the mounting hole is provided with a bulge which moves along the corrugated surface, air passes through the space between the shaft body and the sleeve and passes through the inner spiral blades to drive the rotating part to rotate, the outer spiral blades push the gas in the heat exchange channel to move upwards in the rotating process of the rotating part, and the gas circulation fluid in the heat dissipation channel is realized, and carry out the heat exchange with the air through between axis body and the sleeve pipe, avoid outside air to get into heat dissipation channel to avoid outside air to bring the inside problem of heat dissipation channel with humid air.
The invention has the following beneficial effects:
1. according to the fan set, air outside the protective shell is sucked into the air inlet channel through the first air inlet or the second air inlet, the entering air flows to the exhaust channel, the air is exhausted out of the protective shell through the exhaust channel after passing through the heat exchange assembly in the heat exchange assembly, and the outer side surface of the heat exchange assembly is in contact with the heat dissipation channel formed by the base, the inner wall of the protective shell and the outer side surface of the air channel assembly, so that heat exchange between hot air inside the heat dissipation channel and cold air passing through the heat exchange assembly is realized, and heat generated in the charging and discharging processes of the battery body is taken out.
2. The vertical through grooves and the horizontal through grooves which are mutually communicated form channels on the periphery of the battery body, so that the length of a path through which air flows on the periphery of the battery body is increased, the heat dissipation effect is effectively improved, in addition, the battery body is spontaneously combusted to generate high temperature, and the communicating pipe is fused, so that the flame-retardant gas in the air storage tank is sprayed out, the peripheral side of the battery body is prevented from being combusted, the air flowing through the communicating pipe in the normal working process dissipates heat of the surface of the communicating pipe, and the fusing of the communicating pipe is avoided.
3. According to the invention, air passes between the shaft body and the sleeve and drives the rotating part to rotate through the inner spiral blade, and the outer spiral blade pushes the gas in the heat exchange channel to move upwards in the rotating process of the rotating part, so that gas circulation fluid in the heat dissipation channel is realized, and heat exchange is carried out between the air and the air passing between the shaft body and the sleeve, so that the external air is prevented from entering the heat dissipation channel, and the problem that the external air brings humid air into the heat dissipation channel is avoided.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a partially open configuration of the present invention;
FIG. 3 is a schematic view of a battery pack according to the present invention;
FIG. 4 is a schematic cross-sectional view of a battery pack according to the present invention;
FIG. 5 is a schematic view of the air duct assembly of the present invention;
FIG. 6 is a schematic cross-sectional view of an air duct assembly according to the present invention;
FIG. 7 is a schematic view of a heat exchange assembly according to the present invention;
FIG. 8 is a schematic view of the structure of the rotating part of the present invention;
FIG. 9 is a schematic view of the protective housing of the present invention;
in the drawings, the components represented by the respective reference numerals are listed below:
1. a first housing; 2. a second housing; 3. a first air inlet; 4. a second air inlet; 5. an air outlet; 6. a base; 7. a partition plate; 8. a battery assembly; 801. a base; 8011. a ring groove; 8012. a vertical through groove; 8013. a horizontal through groove; 802. a battery body; 9. an air duct assembly; 901. an air intake passage; 9011. a groove; 902. an exhaust passage; 9021. an air inlet notch; 9022. an air outlet notch; 9023. an exhaust slot; 903. a partition plate; 904. a fan set; 905. a fin; 10. a control component; 11. a flame retardant component; 1101. a gas storage tank; 1102. a communicating pipe; 12. a heat exchange assembly; 1201. a heat exchange channel; 1202. a channel air outlet; 1203. a channel air inlet; 1204. a rotating part; 12041. a shaft body; 12042. a sleeve; 12043. an inner helical blade; 12044. an outer helical blade; 12045. a corrugated surface.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Referring to fig. 1-9, the present invention is a portable moisture-proof type dc power supply with built-in fire extinguishing apparatus, including a protective housing, a first air inlet 3, a second air inlet 4 and an air outlet 5 are opened on a side surface of the protective housing, two sets of battery modules 8 are disposed in the protective housing, the battery modules 8 are separated by an air duct module 9 installed in the protective housing, the air duct module 9 includes an air inlet channel 901 and an air outlet channel 902, a middle portion of the air inlet channel 901 is communicated with the air outlet channel 902, two air inlet ends of the air inlet channel 901 are respectively communicated with the first air inlet 3 and the second air inlet 4, two air inlet ends of the air inlet channel 901 are respectively installed with a fan set 904, an air outlet end of the air outlet channel 902 is communicated with the air outlet 5, a side surface of the air outlet channel 902 is opened with an air inlet slot 9021 and an air outlet slot 9022, a heat exchange air outlet module 12 located between the air inlet 9021 and the slot 9022 is installed in the air outlet channel 902, the battery assembly 8 comprises a base 801 and battery bodies 802, the plurality of battery bodies 802 are mounted in the base 801 in an array mode, the inner walls of the base 801 and the protective shell and the outer side face of the air duct assembly 9 form a heat dissipation channel, and the heat dissipation channel is communicated with an air inlet notch 9021 and an air outlet notch 9022.
The battery body 802 is at the in-process of charge-discharge, fan group 904 circular telegram work, the outside air of protective housing is through first air intake 3 or the inside of second air intake 4 suction to inlet channel 901, the air flow that gets into is to exhaust passage 902, heat exchange assembly 12 through among heat exchange assembly 12 is outside by exhaust passage 902 discharge protective housing, because heat exchange assembly 12's lateral surface and base 801, protective housing's inner wall and the lateral surface of wind channel subassembly 9 constitute the heat dissipation channel contact, realize that the inside hot air of heat dissipation channel carries out the heat exchange with the cold air through heat exchange assembly, carry over the heat that produces at the process of charge-discharge to battery body 802.
The protective shell is formed by splicing a first shell 1 and a second shell 2, bases 6 are mounted at the bottoms of the first shell 1 and the second shell 2, grid plates 7 are mounted on a first air inlet 3 and a second air inlet 4, the first air inlet 3 and the second air inlet 4 are located on two opposite side faces of the protective shell, and an air outlet 5 is located on the bottom face of the protective shell.
Blocking of floating objects in the outside air is accomplished by the installed grid plate 7.
The outer side of the base 801 is provided with a ring groove 8011, the inner wall of the ring groove 8011 is provided with a plurality of vertical through grooves 8012 and horizontal through grooves 8013 which are mutually communicated, and two ends of a channel of each vertical through groove 8012 are respectively communicated with a corresponding air inlet notch 9021 and an air outlet notch 9022.
The flame-retardant component 11 comprises a gas storage tank 1101 and a communicating pipe 1102, flame-retardant gas is filled in the gas storage tank 1101, two vertically distributed gas storage tanks 1101 are installed in the ring groove 8011, and the two gas storage tanks 1101 are communicated with each other through the communicating pipes 1102.
The vertical through groove 8012 and the horizontal through groove 8013 of a plurality of intercommunication all form the passageway in the week survey of battery body 802, improve battery body 802 week survey the path length that the air flowed through, effectual improvement radiating effect, battery body 802 takes place the spontaneous combustion in addition and produces high temperature and will communicating pipe 1102 fusing, thereby realize the blowout of the inside fire-retardant gas of gas holder 1101, avoid battery body 802 week side to take place the burning, the air that flows through dispels the heat to the surface of communicating pipe 1102 in normal course of work, avoid taking place communicating pipe 1102 fusing.
The air duct assembly 9 is of a T-shaped structure, a groove 9011 is formed in one side face, away from the exhaust channel 902, of the air inlet channel 901, a plurality of fins 905 extending into the air inlet channel 901 are arranged on the groove 9011, and the control assembly 10 is installed on the outer side face of each fin 905.
Air flows through the fins 905 to dissipate heat from the surface of the fins 905, thereby removing heat generated during operation of the control assembly 10 and providing the control assembly 10 with a suitable operating temperature.
The middle part of exhaust passage 902 is equipped with baffle 903, and on baffle 903 one end extended to the inner wall of inlet passage 901, two passageways were formed in wind channel assembly 9, all installed a heat exchange assembly 12 in each passageway, exhaust passage 902's bottom was equipped with exhaust notch 9023 and outside intercommunication.
The heat exchange assembly 12 includes a heat exchange channel 1201 and a rotating portion 1204, mounting holes are respectively penetrated through two opposite side surfaces of the heat exchange channel 1201, the rotating portion 1204 is installed between two corresponding mounting holes, gas inside the exhaust channel 902 is discharged through the rotating portion 1204 through an exhaust slot 9023, a channel air outlet 1202 and a channel air inlet 1203 are formed in one side surface of the heat exchange channel 1201, the channel air outlet 1202 is communicated with a corresponding air inlet slot 9021, and the channel air inlet 1203 is communicated with a corresponding air outlet slot 9022.
The rotating portion 1204 comprises a shaft body 12041, sleeves 12042, inner spiral blades 12043, outer spiral blades 12044 and corrugated surfaces 12045, wherein the sleeves 12042 are coaxially distributed on the outer side of the shaft body 12041, the shaft body 12041 is connected with the sleeves 12042 through the inner spiral blades 12043, the outer spiral blades 12044 are arranged on the outer side of the sleeves 12042, the bottom end of the shaft body 12041 is provided with a corrugated surface 12045, the corrugated surface 12045 is matched with a corresponding mounting hole, and a protrusion moving along the corrugated surface 12045 is arranged on the inner side of the mounting hole.
Air passes through the space between the shaft body 12041 and the sleeve 12042 and passes through the inner spiral blades 12043 to drive the rotating part 1204 to rotate, the outer spiral blades 12044 push the air inside the heat exchange channel 1201 to move upwards in the rotating process of the rotating part 1204, so that the air circulation fluid inside the heat dissipation channel is realized, the heat exchange is carried out between the air and the air passing through the space between the shaft body 12041 and the sleeve 12042, the external air is prevented from entering the heat dissipation channel, and the problem that the external air brings humid air into the heat dissipation channel is avoided.
The working principle is as follows:
in the process of charging and discharging of the battery body 802, the fan assembly 904 is powered on to work, air outside the protective casing is sucked into the air inlet channel 901 through the first air inlet 3 or the second air inlet 4, the entered air flows to the exhaust channel 902, and is exhausted outside the protective casing through the exhaust channel 902 via the heat exchange assembly 12 in the heat exchange assembly 12, because the outer side surface of the heat exchange assembly 12 is in contact with the base 801, the inner wall of the protective casing and the outer side surface of the air channel assembly 9 to form a heat dissipation channel, heat exchange between hot air inside the heat dissipation channel and cold air passing through the heat exchange assembly is realized, and heat generated in the process of charging and discharging of the battery body 802 is taken out;
air passes through the space between the shaft body 12041 and the sleeve 12042 and drives the rotating part 1204 to rotate through the inner spiral blades 12043, the outer spiral blades 12044 push the air inside the heat exchange channel 1201 to move upwards in the rotating process of the rotating part 1204, the air circulation fluid inside the heat dissipation channel is realized, the heat exchange is carried out between the air and the air passing through the space between the shaft body 12041 and the sleeve 12042, the external air is prevented from entering the heat dissipation channel, and therefore the problem that the external air brings wet air into the heat dissipation channel is solved.
It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by one of ordinary skill in the art and related arts based on the embodiments of the present invention without any creative effort, shall fall within the protection scope of the present invention. Structures, devices, and methods of operation not specifically described or illustrated herein are generally practiced in the art without specific recitation or limitation.
Claims (8)
1. The utility model provides a portable subregion moisture-proof type DC power supply with built-in extinguishing device, includes protective housing, its characterized in that:
a first air inlet (3), a second air inlet (4) and an air outlet (5) are formed in the side surface of the protection shell;
two groups of battery assemblies (8) are arranged in the protective shell, and the battery assemblies (8) are separated by an air duct assembly (9) arranged in the protective shell;
the air channel assembly (9) comprises an air inlet channel (901) and an air outlet channel (902), the middle of the air inlet channel (901) is communicated with the air outlet channel (902), two air inlet ends of the air inlet channel (901) are respectively communicated with a first air inlet (3) and a second air inlet (4), a fan set (904) is arranged in each of the two air inlet ends of the air inlet channel (901), and an air outlet end of the air outlet channel (902) is communicated with an air outlet (5);
an air inlet notch (9021) and an air outlet notch (9022) are formed in the side face of the exhaust channel (902), and a heat exchange assembly (12) located between the air inlet notch (9021) and the air outlet notch (9022) is installed in the exhaust channel (902);
battery pack (8) include base (801) and battery body (802), a plurality of battery body (802) are installed to the array in base (801), protective housing's inner wall and the lateral surface of wind channel subassembly (9) constitute heat dissipation channel, heat dissipation channel and inlet slot opening (9021) and outlet slot opening (9022) intercommunication.
2. The portable partitioned moisture-proof direct-current power supply with the built-in fire extinguishing device is characterized in that the protection shell is formed by splicing a first shell (1) and a second shell (2), and a base (6) is installed at the bottom of each of the first shell (1) and the second shell (2);
grid plates (7) are mounted on the first air inlet (3) and the second air inlet (4), the first air inlet (3) and the second air inlet (4) are located on two opposite side faces of the protection shell, and the air outlet (5) is located on the bottom face of the protection shell.
3. The portable moisture-proof DC power supply with built-in fire extinguishing apparatus as claimed in claim 1, wherein the base (801) is provided with a ring groove (8011) at the outer side, the inner wall of the ring groove (8011) is provided with a plurality of vertical through grooves (8012) and horizontal through grooves (8013) which are communicated with each other;
two ends of the channel of the vertical through groove (8012) are respectively communicated with the corresponding air inlet notch (9021) and the corresponding air outlet notch (9022).
4. The portable zoning moisture-proof type direct current power supply with the built-in fire extinguishing apparatus according to claim 3, wherein the fire retardant assembly (11) comprises a gas storage tank (1101) and a communicating pipe (1102), the gas storage tank (1101) is filled with fire retardant gas;
two air storage tanks (1101) which are vertically distributed are installed in the ring groove (8011), and the two air storage tanks (1101) are communicated with each other through a plurality of communicating pipes (1102).
5. The portable partitioned moisture-proof direct-current power supply with the built-in fire extinguishing device is characterized in that the air duct assembly (9) is of a T-shaped structure, a groove (9011) is formed in one side face, away from the exhaust channel (902), of the air inlet channel (901), a plurality of fins (905) extending into the air inlet channel (901) are arranged on the groove (9011), and a control assembly (10) is mounted on the outer side face of the plurality of fins (905).
6. The portable zoned moisture-proof type direct current power supply with a built-in fire extinguishing apparatus according to claim 5, wherein a partition plate (903) is provided in the middle of the exhaust passage (902), one end of the partition plate (903) extends to the inner wall of the intake passage (901), two passages are formed in the air duct assembly (9), and a heat exchange assembly (12) is installed in each passage;
the bottom end of the exhaust channel (902) is provided with an exhaust notch (9023) communicated with the outside.
7. The portable zoned moisture-proof type direct current power supply with a built-in fire extinguishing apparatus according to claim 1, wherein the heat exchanging assembly (12) comprises a heat exchanging channel (1201) and a rotating part (1204), mounting holes are respectively penetrated on two opposite side surfaces of the heat exchanging channel (1201), the rotating part (1204) is installed between two corresponding mounting holes, and gas inside the exhaust channel (902) is exhausted through the rotating part (1204) through an exhaust slot (9023);
and a channel air outlet (1202) and a channel air inlet (1203) are formed in one side surface of the heat exchange channel (1201), the channel air outlet (1202) is communicated with the corresponding air inlet notch (9021), and the channel air inlet (1203) is communicated with the corresponding air outlet notch (9022).
8. The portable partitioned moisture-proof DC power supply with a built-in fire extinguishing apparatus as claimed in claim 7, wherein the rotating part (1204) comprises a shaft body (12041), a casing (12042), inner spiral blades (12043), outer spiral blades (12044) and a corrugated surface (12045), the shaft body (12041) is provided with the coaxially distributed casing (12042) at the outer side, the shaft body (12041) and the casing (12042) are connected through the inner spiral blades (12043), the casing (12042) is provided with the outer spiral blades (12044) at the outer side, the shaft body (12041) is provided with the corrugated surface (12045) at the bottom end, the corrugated surface (12045) is matched with the corresponding mounting hole, and the mounting hole is provided with a protrusion moving along the corrugated surface (12045) at the inner side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210369200.9A CN114709891A (en) | 2022-04-08 | 2022-04-08 | Portable partitioning moisture-proof direct-current power supply with built-in fire extinguishing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210369200.9A CN114709891A (en) | 2022-04-08 | 2022-04-08 | Portable partitioning moisture-proof direct-current power supply with built-in fire extinguishing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114709891A true CN114709891A (en) | 2022-07-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210369200.9A Withdrawn CN114709891A (en) | 2022-04-08 | 2022-04-08 | Portable partitioning moisture-proof direct-current power supply with built-in fire extinguishing device |
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| Country | Link |
|---|---|
| CN (1) | CN114709891A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117199590A (en) * | 2023-09-15 | 2023-12-08 | 山东众诚新能源股份有限公司 | New energy automobile battery pack thermal runaway monitoring device and monitoring method |
-
2022
- 2022-04-08 CN CN202210369200.9A patent/CN114709891A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117199590A (en) * | 2023-09-15 | 2023-12-08 | 山东众诚新能源股份有限公司 | New energy automobile battery pack thermal runaway monitoring device and monitoring method |
| CN117199590B (en) * | 2023-09-15 | 2024-02-02 | 山东众诚新能源股份有限公司 | New energy automobile battery pack thermal runaway monitoring device and monitoring method |
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Application publication date: 20220705 |