CN111870838A

CN111870838A - Vehicle-mounted fire extinguisher protection box

Info

Publication number: CN111870838A
Application number: CN202010643575.0A
Authority: CN
Inventors: 徐甲春
Original assignee: 徐甲春
Current assignee: Henan Deye Special Vehicle Co.,Ltd.
Priority date: 2020-07-07
Filing date: 2020-07-07
Publication date: 2020-11-03
Anticipated expiration: 2040-07-07
Also published as: CN111870838B

Abstract

The invention relates to the technical field of fire safety, and discloses a vehicle-mounted fire extinguisher protection box body which comprises a base, wherein a supporting spring is fixedly arranged in the middle of the upper surface of the base, a tray is fixedly arranged at the other end of the supporting spring, and a circular groove is formed in the middle of the upper surface of the tray. According to the invention, the permanent magnet is arranged in the supporting spring, the cutting coils are arranged on two sides of the supporting spring, the vibrating mechanical energy is converted into electric energy through the motion of the cutting magnetic induction line, the current magnitude is changed by changing the turn ratio of the transformation coil, the electric energy is converted into chemical energy for storage by using the electrolytic cell, and the electric potential energy is transmitted to the P-type semiconductor and the N-type semiconductor through the thermoelectric second effect, so that when the current direction at the axis is N-P, the inner end plate absorbs heat, the current direction at the position far away from the axis is P-N, and the outer end plate releases heat, thereby achieving the effect of protecting the interior of the box body from being refrigerated, and avoiding the explosion of the dry powder fire extinguisher due.

Description

Vehicle-mounted fire extinguisher protection box

Technical Field

The invention relates to the technical field of fire safety, in particular to a protective box body of a vehicle-mounted fire extinguisher.

Background

The vehicle-mounted fire extinguisher is a fire extinguisher which is installed on an automobile and is specially used for extinguishing fire of the automobile, common vehicle-mounted fire extinguishers are divided into dry powder fire extinguishers, carbon dioxide fire extinguishers and water film-forming foam fire extinguishers, and most of the existing fire extinguishers equipped for the automobile are dry powder fire extinguishers.

Because the automobile can vibrate in the driving process, the vehicle-mounted dry powder fire extinguisher can vibrate back and forth after being installed, a common dry powder fire extinguisher is easily hardened in a vibration environment for a long time, so that the fire extinguisher is invalid, and meanwhile, when the automobile is not used in summer, the environment in the automobile is sealed and cannot dissipate heat, the temperature in the automobile can reach 65 ℃, the safe temperature range of a common dry powder fire extinguisher tank body is between-20 ℃ and 50 ℃, and explosion accidents can occur when the temperature is exceeded, so that the protective box body capable of being used for protecting the vehicle-mounted fire extinguisher is provided.

Disclosure of Invention

Aiming at the defects of the prior vehicle-mounted fire extinguisher in the use process in the background art, the invention provides a vehicle-mounted fire extinguisher protection box body which has the advantages of avoiding hardening and explosion and solves the problems in the background art.

The invention provides the following technical scheme: a vehicle-mounted fire extinguisher protection box comprises a base, wherein a supporting spring is fixedly mounted in the middle of the upper surface of the base, a tray is fixedly mounted at the other end of the supporting spring, a circular groove is formed in the middle of the upper surface of the tray, the supporting spring is located in the center of the bottom of the tray, a permanent magnet located in an inner cavity of the supporting spring is fixedly mounted in the center of the tray through the spring, cutting coils are arranged on two sides of the supporting spring and fixedly mounted on the lower bottom surface of the tray and the upper surface of the base through the spring, a temperature control switch is fixedly mounted on the outer side of the base, a rectangular plate is fixedly mounted on the planar portion of the base, an outer end plate is fixedly mounted on the outer side of the upper surface of the base, two ends of the outer end plate are fixedly mounted on one side, close to the axis, of the outer end, the end part of one side of the copper sheet is fixedly provided with an N-type semiconductor, the other end of one side of the copper sheet is fixedly provided with a P-type semiconductor, the copper sheet connects a plurality of groups of N-type semiconductors and P-type semiconductors end to end, the other side of the copper sheet is fixedly provided with an inner end plate, and one side of the rectangular plate close to the axis is fixedly provided with a fixing ring.

The base includes the arc shell, arc shell inner chamber cavity, arc shell middle part fixed mounting has the baffle, and the baffle separates the arc shell for upper and lower chamber, and the lower cavity of arc shell is used for splendid attire electrolyte, the last fixed surface of baffle installs transformer coil, the last fixed surface joint of baffle has rectifier diode, rectifier diode is located one side of transformer coil, the upper surface front end fixed mounting of baffle has change over switch, change over switch's both sides are fixed to run through there is the heat pipe, the heat pipe runs through the below middle part of arc shell and other end fixed mounting at outer terminal plate.

Preferably, the N-type semiconductor and the P-type semiconductor are a pair of heat absorption and release groups, the heat absorption and release groups are shared, each pair of N-type semiconductor and P-type semiconductor is fixedly connected through a section of copper sheet, four pairs of N-type semiconductor and P-type semiconductor are also connected through a section of copper sheet, a gap is formed between each pair of N-type semiconductor and P-type semiconductor, and insulating rubber is filled in the gap.

Preferably, the change-over switch comprises a rectangular outer shell, the rectangular outer shell is a sealed cavity, the bottom end of the rectangular outer shell is fixedly arranged on the upper surface of the clapboard, the middle part of the upper end of the inner cavity of the rectangular outer shell is fixedly provided with a return spring, the bottom end of the reset spring is fixedly provided with an insulating sliding plate, both ends of the insulating sliding plate are fixedly provided with conducting strips, the side walls of the insulating sliding plate and the conducting plates are tightly attached to the inner side wall of the rectangular outer shell, the upper and lower surfaces of the two conducting plates are both provided with a movable contact, the electrolytic cell comprises a rectangular outer shell, and is characterized in that electrode tips are fixedly mounted on the upper surface of an inner cavity of the rectangular outer shell, the electrode tips are two groups, the two groups of electrode tips are distributed up and down, each group of electrode tips are two and distributed left and right, the other group of electrode tips are fixedly mounted on a partition plate and penetrate through the partition plate to extend to the inside of the electrolytic cell, and the positions of the two groups of electrode tips are.

The invention has the following beneficial effects:

1. according to the invention, the permanent magnet is arranged in the supporting spring, the cutting coils are arranged on two sides of the supporting spring, the vibrating mechanical energy is converted into electric energy through the motion of the cutting magnetic induction line, the current magnitude is changed by changing the turn ratio of the transformation coil, the electric energy is converted into chemical energy for storage by using the electrolytic cell, and the electric potential energy is transmitted to the P-type semiconductor and the N-type semiconductor through the thermoelectric second effect, so that when the current direction at the axis is N-P, the inner end plate absorbs heat, the current direction at the position far away from the axis is P-N, and the outer end plate releases heat, thereby achieving the effect of protecting the interior of the box body from being refrigerated, and avoiding the explosion of the dry powder fire extinguisher due.

2. According to the invention, the electric heating pipe is arranged to guide heat at the outer end plate into the sealing cavity at the lower end of the insulating sliding plate in the rectangular outer shell, when the temperature of the outer end plate is too high, the heat conduction pipe can transfer the temperature into the sealing cavity, internal gas expands to generate an upward thrust on the insulating sliding plate, the elastic force of the reset spring and the self gravity of the insulating sliding plate can be overcome, the electrode tip at the upper end is contacted with the movable contact, the positive and negative poles of the electrode tip are changed, the current direction is changed, the current direction of the P, N type conductor can be changed, the cold and hot ends between the outer end plate and the inner end plate are changed, the overheating condition of the outer end plate can be effectively cooled, and the influence of too low internal temperature on.

Drawings

FIG. 1 is a schematic front view of a portion of the present invention;

FIG. 2 is a cross-sectional view of a base according to the present invention;

FIG. 3 is a schematic cross-sectional view of a switch according to the present invention;

FIG. 4 is a perspective view of a portion of the present invention;

FIG. 5 is a schematic bottom view of an P, N semiconductor package;

FIG. 6 is a schematic view of the entire structure of the present invention.

In the figure: 1. a base; 101. an arcuate shell; 102. a partition plate; 103. a transformer coil; 104. a rectifier diode; 105. a change-over switch; 1051. a rectangular outer housing; 1052. a return spring; 1053. an insulating slide plate; 1054. a conductive sheet; 1055. a movable contact; 1056. an electrode tip; 106. a heat conducting pipe; 2. a support spring; 3. a tray; 4. a permanent magnet; 5. cutting the coil; 6. a temperature control switch; 7. a rectangular plate; 8. an outer end plate; 9. a copper sheet; 10. an N-type semiconductor; 11. a P-type semiconductor; 12. an inner end plate; 13. and a fixing ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, a protective box for a vehicle-mounted fire extinguisher comprises a base 1, a supporting spring 2 is fixedly installed in the middle of the upper surface of the base 1, one surface of the base 1 is a cambered surface, the other surface is a plane, a plane area is used for being installed on the side wall of a trunk of an automobile, a tray 3 is fixedly installed at the other end of the supporting spring 2, a circular groove is formed in the middle of the upper surface of the tray 3, the supporting spring 2 is located at the center of the bottom of the tray 3, a permanent magnet 4 located in the inner cavity of the supporting spring 2 is fixedly installed at the center of the tray 3 through a spring, cutting coils 5 are arranged on two sides of the supporting spring 2, the cutting coils 5 are fixedly installed on the lower bottom surface of the tray 3 and the upper surface of the base 1 through springs, a temperature control switch 6 is fixedly installed on the outer side of the base, when the temperature reaches a preset temperature, the contact is closed, when the temperature is lower than the preset temperature, the contact is opened, the rectangular plate 7 is fixedly installed on the plane part of the base 1, the rectangular plate 7 is made of heat insulation materials, the outer end plate 8 is fixedly installed on the outer side of the upper surface of the base 1, two ends of the outer end plate 8 are fixedly installed on one side, close to the axis, of the rectangular plate 7, a copper sheet 9 is tightly attached to one side, close to the axis, of the outer end plate 8, an N-type semiconductor 10 is fixedly installed on one side of the copper sheet 9, a P-type semiconductor 11 is fixedly installed at the other end of one side of the copper sheet 9, the copper sheet 9 connects a plurality of groups of N-type semiconductors 10 and P-type semiconductors 11 end to end, an inner end plate 12 is fixedly installed on the other side of the copper sheet 9, a fixing ring 13 is fixedly installed on one, utilize the mode of buckle to fix on-vehicle fire extinguisher, and retainer plate 13 has two, and the opening between two retainer plates 13 is opened through same buckle, and the sealing layer of sealed usefulness is all movably mounted to the top of outer end plate 8, interior end plate 12 for encapsulate N type semiconductor 10, P type semiconductor 11, and the upper end movable mounting of sealing layer has the upper cover, hinge between the one end of upper cover and the sealing layer, and seals through the mode of buckle between the other end of upper cover and the sealing layer.

As shown in fig. 5, the N-type semiconductor 10 and the P-type semiconductor 11 are a pair of heat absorbing and releasing sets, and there are 4 heat absorbing and releasing sets, each pair of N-type semiconductor 10 and P-type semiconductor 11 is fixedly connected through a copper sheet 9, four pairs of N-type semiconductor 10 and P-type semiconductor 11 are also connected through a copper sheet 9, there is a gap between each pair of N-type semiconductor 10 and P-type semiconductor 11, and the gap is filled with insulating rubber to prevent the poor contact between the N-type semiconductor 10 and the P-type semiconductor 11 caused by vibration, and as can be known from the thermoelectric second effect, two different metals form a closed loop, when there is a direct current in the loop, a temperature difference will be generated between the two joints, so that when the current flows from N-type to P-type, the temperature drops, heat absorbs, when the current flows from P-type to N-type, the temperature rises, heat releases, and when the upper-end current is N-P, the inner end plate 12 is a cold end, the outer end plate 8 is a hot end, and when the upper end current is P-N, the inner end plate 12 is a hot end and the outer end plate 8 is a cold end.

Wherein, as shown in fig. 1 and 2, the base 1 includes an arc-shaped shell 101, the inner cavity of the arc-shaped shell 101 is hollow, a partition plate 102 is fixedly installed in the middle of the arc-shaped shell 101, the partition plate 102 partitions the arc-shaped shell 101 into an upper cavity and a lower cavity, the bottom cavity of the arc-shaped shell 101 is used for containing electrolyte, a transformer coil 103 is fixedly installed on the upper surface of the partition plate 102, a rectifier diode 104 is fixedly clamped on the upper surface of the partition plate 102, the rectifier diode 104 is located on one side of the transformer coil 103, a switch 105 is fixedly installed at the front end of the upper surface of the partition plate 102, a heat pipe 106 is fixedly penetrated through both sides of the switch 105, the heat pipe 106 penetrates through the arc-shaped shell 101, the other end of the heat pipe is fixedly installed in the middle of the lower part of the outer end plate 8, the transformer coil 103 is connected in series with the cutting coil 5 through a, u represents the voltage across the transformer coil 103, R represents the resistance of the transformer coil 103), when U increases, the magnitude of I also changes, and when N1 (the number of turns of the primary transformer coil)/N2 (the number of turns of the secondary transformer coil) is U1 (the primary voltage)/U2 (the secondary voltage), U2 is N2/N1U 1, and N2 is greater than N1, the current I increases, so the number of turns of the transformer coil on the side where the transformer coil 103 is connected to the cutting coil 5 is one third of the number of turns of the transformer coil on the side where the rectifier diode 104 is connected, at which time the current increases, and the rectifier diode 104 is connected in series with the electrolytic cell below the partition plate 102 through a wire.

Wherein, the switch 105 includes a rectangular outer housing 1051, the rectangular outer housing 1051 is a sealed cavity, the bottom end of the rectangular outer housing 1051 is fixedly installed on the upper surface of the partition plate 102, a reset spring 1052 is fixedly installed in the middle of the upper end of the inner cavity of the rectangular outer housing 1051, an insulation sliding plate 1053 is fixedly installed at the bottom end of the reset spring 1052, conductive plates 1054 are fixedly installed at both ends of the insulation sliding plate 1053, the side walls of the insulation sliding plate 1053 and the conductive plates 1054 are tightly attached to the inner side wall of the rectangular outer housing 1051, moving contacts 1055 are installed on the upper and lower surfaces of the two conductive plates 1054, electrode tips 1056 are fixedly installed on the upper surface of the inner cavity of the rectangular outer housing 1051, there are two groups of electrode tips 1056, the two groups of electrode tips 1056 are distributed up and down, each group of electrode tips 1056 is two and distributed left and right, the other group 1056, the positions of the positive and negative electrodes of the two groups of electrode tips 1056 are opposite, and the two groups of positive electrodes are connected with the positive electrodes and the negative electrodes through leads, the two sides of the rectangular outer shell 1051 are conductive plates, the outer side of the rectangular outer shell 1051 is provided with a contact head which is connected with the temperature control switch 6 in series through leads, the rectangular outer shell 1051 is divided into an upper part and a lower part by the insulating sliding plate 1053 and the conductive plate 1054, the two sides of the lower part are fixedly provided with heat conduction pipes 106, the heat conduction pipes 106 extend to the inner side of the rectangular outer shell 1051, the temperature on the outer end plate 8 is transferred to the lower cavity of the rectangular outer shell 1051 from the heat conduction pipes 106, the internal temperature of the lower cavity is gradually increased, air expands, the insulating sliding plate 1053 is pushed upwards to overcome the gravity of the insulating sliding plate 1053 and the conductive plate 1054, and the, at this time, the N-type semiconductor 10 is connected to the negative electrode of the set of electrode tips 1056, the P-type semiconductor 11 is connected to the positive electrode of the set of electrode tips 1056, the current direction at the upper end should be P-N, the current direction at the lower end should be N-P (refer to fig. 5), so that the outer end plate 8 is changed from the hot end to the cold end, after the temperature is cooled, the elastic force of the return spring 1052 and the gravity of the insulation slide plate 1053 move downward against the air pressure, so that the movable contact 1055 contacts the electrode tip 1056 at the end of the partition 102, at this time, the N-type semiconductor 10 is connected to the positive electrode of the lower electrode tip 1056, the P-type semiconductor 11 is connected to the negative electrode of the set of electrode tips 1056, the current direction at the upper end should be N-P, the current direction at the lower end should be P-.

The using method of the invention is as follows:

during the installation, the vertical guard box of placing, the lateral wall fixed mounting of rectangular plate 7 and vapour car trunk inside places on-vehicle dry powder fire extinguisher at the middle part of retainer plate 13, and the bottom card is closed the upper cover in the recess at tray 3 middle part, and the buckle is buckled, opens the buckle during use, takes out the fire extinguisher, can use.

When the automobile vibrates in the driving process, the supporting spring 2 vibrates up and down to drive the permanent magnet 4 to vibrate up and down, the cutting coil 5 also vibrates up and down to cut the magnetic induction line, so that mechanical energy is converted into electric energy, alternating current is generated due to the fact that the vibration frequency of the current generated by cutting the magnetic induction line is not fixed, the alternating current is transmitted to the transformation coil 103, the current is increased by increasing the number of turns of the transformation coil at the connecting end of the rectifier diode 104 and the number of turns of the transformation coil at the connecting end of the cutting coil 5, the refrigeration effect is improved, then the current is rectified by the rectifier diode 104, the electric energy is finally led into an electrolytic cell, the electric energy is converted into chemical energy, energy is stored in the electrolytic cell, when the temperature of a carriage reaches 50 ℃, the temperature control switch 6 is switched on, the movable contact 1055 is in contact with the electrode tip 1056 at the end of the partition plate 102 under, the inside air inflation of cavity of insulating slide 1053 lower extreme overcomes reset spring 1052's elasticity and insulating slide 1053's gravity, promotes insulating slide 1053 upward movement, makes movable contact 1055 and the contact of electrode tip 1056 of rectangle shell body 1051 end, and the current direction changes, and cold and hot end exchanges, and after the temperature decline of outer end plate 8, the original state of recovery, cold and hot end exchanges once more.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a vehicle-mounted fire extinguisher protection box, includes base (1), its characterized in that: the upper surface middle part of base (1) is fixedly provided with supporting spring (2), the other end of supporting spring (2) is fixedly provided with tray (3), the upper surface middle part of tray (3) is provided with a circular groove, and supporting spring (2) is located at the bottom center position of tray (3), the center position of tray (3) is simultaneously provided with permanent magnet (4) located in the inner cavity of supporting spring (2) through spring fixed mounting, the two sides of supporting spring (2) are provided with cutting coil (5), cutting coil (5) is fixedly installed through the lower bottom surface of spring and tray (3) and the upper surface of base (1), the outer side of base (1) is fixedly provided with temperature control switch (6), the plane part of base (1) is fixedly provided with rectangular plate (7), the outer end plate (8) is fixedly installed at the outer side of the upper surface of base (1), the two ends of the outer end plate (8) are fixedly arranged on one side, close to the axis, of the rectangular plate (7), a copper sheet (9) is tightly attached to one side, close to the axis, of the outer end plate (8), an N-type semiconductor (10) is fixedly arranged on one end of one side of the copper sheet (9), a P-type semiconductor (11) is fixedly arranged on the other end of one side of the copper sheet (9), the copper sheet (9) connects multiple groups of N-type semiconductors (10) and P-type semiconductors (11) end to end, an inner end plate (12) is fixedly arranged on the other side of the copper sheet (9), and a fixing ring (13) is fixedly arranged on one side, close to the axis;

base (1) includes arc shell (101), arc shell (101) inner chamber cavity, arc shell (101) middle part fixed mounting has baffle (102), and baffle (102) separate arc shell (101) for upper and lower chamber, and the lower cavity of arc shell (101) is used for splendid attire electrolyte, the last fixed surface of baffle (102) installs transformation coil (103), the last fixed surface joint of baffle (102) has rectifier diode (104), rectifier diode (104) are located one side of transformation coil (103), the upper surface front end fixed mounting of baffle (102) has change over switch (105), the both sides of change over switch (105) are fixed to run through has heat pipe (106), heat pipe (106) run through arc shell (101) and other end fixed mounting are in the below middle part of outer terminal plate (8).

2. The protective box body of the vehicle-mounted fire extinguisher according to claim 1, characterized in that: the N-type semiconductor (10) and the P-type semiconductor (11) are a pair of heat absorption and release groups, 4 heat absorption and release groups are provided in total, each pair of N-type semiconductor (10) and the P-type semiconductor (11) are fixedly connected through a section of copper sheet (9), four pairs of N-type semiconductor (10) and the P-type semiconductor (11) are also connected through a section of copper sheet (9), a gap is formed between each pair of N-type semiconductor (10) and the P-type semiconductor (11), and insulating rubber is filled in the gap.

3. The protective box body of the vehicle-mounted fire extinguisher according to claim 1, characterized in that: the exchange switch (105) comprises a rectangular outer shell (1051), the rectangular outer shell (1051) is a sealed cavity, the bottom end of the rectangular outer shell (1051) is fixedly arranged on the upper surface of the partition plate (102), a reset spring (1052) is fixedly arranged in the middle of the upper end of the inner cavity of the rectangular outer shell (1051), an insulating sliding plate (1053) is fixedly arranged at the bottom end of the reset spring (1052), conductive plates (1054) are fixedly arranged at the two ends of the insulating sliding plate (1053), the side walls of the insulating sliding plate (1053) and the conductive plates (1054) are tightly attached to the inner side wall of the rectangular outer shell (1051), a movable contact (1055) is arranged on the upper surface and the lower surface of each of the two conductive plates (1054), electrode tips (1056) are fixedly arranged on the upper surface of the inner cavity of the rectangular outer shell (1051), and the electrode tips (1056) are totally, each group of electrode heads (1056) is two and distributed left and right, the other group of electrode heads (1056) is fixedly arranged on the partition plate (102) and penetrates through the partition plate (102) to extend into the electrolytic cell, and the positions of the two groups of electrode heads (1056) are opposite to the movable contact (1055).