CN115295906B

CN115295906B - Temperature measuring device and temperature measuring method

Info

Publication number: CN115295906B
Application number: CN202211206266.2A
Authority: CN
Inventors: 王军
Original assignee: Yancheng Junle Da Electrical Appliance Technology Co ltd
Current assignee: Yancheng Junle Da Electrical Appliance Technology Co ltd
Priority date: 2022-09-30
Filing date: 2022-09-30
Publication date: 2022-12-20
Anticipated expiration: 2042-09-30
Also published as: CN115295906A

Abstract

The invention discloses a temperature measuring device and a temperature measuring method, relates to the field of temperature measurement, and solves the problem that the traditional temperature measuring device can cause poor heat dissipation effect of a battery unit.

Description

Temperature measuring device and temperature measuring method

Technical Field

The invention relates to the field of temperature measurement, in particular to a temperature measurement device and a temperature measurement method.

Background

The battery temperature measuring device is basically installed in the new energy electric automobile or the motorized equipment using the battery module as the energy source, and is used for measuring the temperature of the battery module, so that the temperature of the battery module can be known at any time, and accidents caused by heating of the battery module due to severe overload are avoided.

The battery module generally comprises a battery unit and a metal shell for protecting the battery unit, wherein a temperature sensing part of an electrical temperature measurer for detecting temperature is embedded in the metal shell, and an article similar to a heat insulation film is covered at an upper port of an embedding area so as to prevent heat in the metal shell from dissipating and reduce the accuracy of temperature measurement;

however, the temperature measuring device only considers how to prevent the heat inside the metal shell from dissipating and ensure the accuracy of temperature measurement, and does not consider that the sealing of the metal shell should be quickly released after the temperature measurement is completed and the heat inside the metal shell is discharged as soon as possible, and if the heat inside the metal shell cannot be discharged in time, the battery is overheated and has a large potential safety hazard.

Disclosure of Invention

The present invention is directed to a temperature measuring device and a temperature measuring method, which can accurately measure the temperature of a battery and simultaneously ensure effective heat dissipation of the battery, so as to solve the problems in the background art.

In order to achieve the purpose, the invention provides the following technical scheme:

a temperature measuring device comprises a metal shell and a battery unit arranged in the metal shell, wherein an electric trigger used for pushing and touching is fixedly arranged at the upper end of the metal shell, and a longitudinal and transverse rib is fixedly arranged on the inner wall of the metal shell and separates the metal shell from the battery unit; the temperature measuring mechanism capable of accurately measuring the temperature of the battery unit is arranged at the top of the metal shell, and the top of the metal shell is also provided with a heat dissipation mechanism; the transmission mechanism which can trigger the temperature measuring mechanism and the heat dissipation mechanism is arranged on the outer side of the metal shell, and a toggle mechanism is further arranged at the side end of the transmission mechanism, wherein the electric trigger can be an electric push rod, a micro cylinder and the like.

Preferably, temperature measuring mechanism is including seting up in metal casing's top is four through-holes two that circumference equidistance distributes, the bottom fixed mounting of through-hole two has the small opening collet, just the inside of small opening collet slides and has inlayed the closing cap, the closing cap with two activity gomphosis of through-hole, the lower extreme of closing cap with install spring one between the small opening collet, the inside of closing cap slides and has inlayed temperature sensing portion, and is connected with the electricity winding displacement between the two, the top fixed mounting of temperature sensing portion has two sets of shell fragments that are "eight" and distribute, each the expansion end surface of shell fragment all slides and has cup jointed the rand, just the rand with the closing cap is fixed connection, and wherein the rand plays limiting displacement to the shell fragment.

Preferably, heat dissipation mechanism is including seting up in metal casing's top is four through-holes one that the circumference equidistance distributes, just through-hole one distribute in four the inside of two inscriptions circles of through-hole, the upper end fixed mounting of through-hole one has the cutting ferrule, just the impeller is installed through the support rotation in the upper end of cutting ferrule, the fixed cover of impeller pivot upper end has cup jointed the gear, the cutting ferrule with install the seal assembly between the closing cap, the continuous rotation of impeller under the normal condition can be with the inside hot-air of metal casing outwards discharge.

Preferably, the closing assembly including slide inlay in the inside closing plate of cutting ferrule, just the closing plate is close to the inflator is installed to the one end of closing cap, the inflator with metal casing is fixed connection, the top of inflator slides and has inlayed the right angle post, just the transverse part extending direction of right angle post is close to in the closing cap, the lower extreme fixed mounting of right angle post has the piston dish, just the piston dish with inflator activity gomphosis, reset spring is installed to the bottom of piston dish, the piston dish is close to the one end intercommunication of closing plate has an extension section of thick bamboo, just the inside of extending a section of thick bamboo slides and has inlayed the piston rod, the piston rod is kept away from the one end of inflator with the closing plate is fixed connection, and when closing cap and two gomphosis of through-hole, it can promote the right angle post simultaneously to push oblique piece, makes the closing plate remove, seals through-hole one.

Preferably, drive mechanism include fixed mounting in the motor of metal casing front end, just metal casing's top central point puts fixed mounting with the stand, the fluted disc has been cup jointed in the outside rotation of stand, just the fluted disc with gear swing joint, the tooth groove post is installed in the outside meshing of fluted disc, just the lower extreme of tooth groove post rotate inlay in metal casing's inside, the output of motor with the drive belt is installed through the drive wheel to the surface of tooth groove post, and the motor passes through tooth groove post and drive fluted disc rotation.

Preferably, the toggle mechanism comprises a sliding sleeve seat fixedly installed at the upper end of the metal shell, the sliding sleeve seat is located between the motor and the stand column, a sliding block is installed inside the sliding sleeve seat in a sliding mode, the sliding block is close to one end of the stand column, a second spring is installed at the upper end of the sliding block, a sleeve is installed at the outer surface of the upper end of the sleeve in a rotating mode, a curved pipe is connected with the inner diameter of the inner cavity of the sleeve in a sleeved mode, a telescopic rod is embedded into an upper port of the curved pipe in a sliding mode, a sliding disc is installed at one end, far away from the motor, of the sliding disc, a fourth spring is installed between the sliding disc and the upper port of the curved pipe, a first arc groove block is installed at one end, far away from the first arc groove block, of the curved pipe is fixedly installed with a second arc groove block through a connecting rod, a pushing piece is installed inside the sleeve, a touch assembly is installed between the second arc groove block and the stand column, and the first arc groove block and the second groove block are completely extended and use the sleeve as the circle center.

Preferably, the pushing piece is embedded in a bevel edge push rod inside the sleeve in a sliding mode, the curved pipe and the sleeve are embedded with a plurality of spheres in a sliding mode, the spheres are distributed at the upper end of the bevel edge push rod, a limiting rod is fixedly mounted at the left side end of the bevel edge push rod, a positioning frame is movably sleeved on the outer side of the limiting rod, the positioning frame is fixedly connected with the metal shell, one end, away from the positioning frame, of the bevel edge push rod, a spring III is fixedly mounted between the limiting rods, a limiting frame is mounted on the periphery of the curved pipe, the limiting frame is fixedly connected with the metal shell, a straight rod is fixedly mounted on the outer side of the curved pipe and is in sliding embedded with the limiting frame, a spring V is fixedly mounted between the straight rod and the limiting frame, in the process that the spheres are pushed out, the distance between a first arc groove block and a second arc groove block is larger and larger, and the first arc groove block and the second arc groove block can correspond to effectively contact with a second rubber ring and the first rubber ring when the telescopic rod moves to the maximum value.

Preferably, the touch component comprises a rotary disc which is rotatably sleeved on the outer surface of the upright post, a first rubber ring is fixedly mounted on the outer side of the rotary disc, a second rubber ring is fixedly mounted at the top of the output end of the motor through a rotary disc, the outer diameter of the cross section of the first rubber ring is consistent with that of the cross section of the second rubber ring, the inner arc surfaces of the first arc groove block and the second arc groove block are movably attached to the second rubber ring and the second arc groove block respectively, a plurality of convex particles are fixedly mounted on the inner arc surfaces of the first arc groove block and the second arc groove block, a plurality of pushing inclined blocks and partition parts which are circumferentially arranged in an equidistant and staggered manner are distributed on the lower end surface of the rotary disc, the occupied area of the upper end surfaces of the pushing inclined blocks and the partition parts is consistent, and the pushing inclined blocks and the partition parts at the bottom can alternately contact with the top of the sealing cover through every rotation of the rotary disc.

Preferably, under the three compression states of spring, the vertical clearance between the gag lever post and the locating rack with the slider with the minimum vertical clearance of sliding sleeve seat is unanimous, promptly after spring three and gag lever post reset, the hypotenuse push rod withdraws from toward the sheathed tube outside, after the interval shortens in arc groove piece one and arc groove piece two, the spring two under its compression state can be with a segment distance of slider displacement, after the displacement is accomplished, arc groove piece one and arc groove piece two this moment all can not effectively contact with rubber circle two and rubber circle one.

A method of temperature measurement, comprising the steps of:

s1: in the initial stage, the motor drives the four impellers to continuously rotate through the transmission mechanism, hot air in the metal shell is discharged outwards, and the sealing cover is in an extending state at the moment;

s2: in the temperature measurement debugging stage, the limiting rod is pushed through the electric trigger to enable the first arc groove block and the second arc groove block to be finely adjusted and unfolded, the first arc groove block and the second arc groove block can be tightly attached to the second rubber ring and the first rubber ring respectively after being unfolded, at the moment, the motor can drive the first rubber ring to rotate by a part angle through the second rubber ring, the first arc groove block and the second arc groove block, and the rotation angle is consistent with the radian of each pushing inclined block and each partition part distributed at the bottom of the rotary table, namely the first rubber ring and the rotary table can rotate by a small angle when the limiting rod is triggered each time;

s3: in the temperature measuring stage, the turntable rotates to push the sealing cover through the pushing inclined block to seal the second through hole, the bottom of the temperature sensing part is attached to the battery unit, and the pushing inclined block can seal the first through hole through the sealing assembly in the pushing process of the sealing cover, so that the metal shell is in a short sealing stage to ensure the temperature measuring accuracy;

s4: and in the heat dissipation stage, the limiting rod is loosened and pushed once again after the temperature measurement is finished, so that the partition part is distributed at the upper end of the sealing cover, the sealing cover can be reset after being not limited by the pushing inclined block, namely, the through hole II and the through hole I are both in an open state, and meanwhile, the impeller continuously rotates to quickly discharge hot air in the metal shell.

Compared with the prior art, the invention has the beneficial effects that:

according to the invention, through the matching of the temperature measuring mechanism and the heat dissipation mechanism, the dial rotating mechanism is only required to be triggered, the rotating disc can rotate for a certain angle, the first through hole and the second through hole can be simultaneously sealed when the rotating disc rotates, so that the metal shell is in a sealed state, the temperature sensing part can accurately measure the temperature of the battery unit, after the temperature measurement is finished, the rotating disc rotates again, the first through hole and the second through hole can be opened, and the impeller is continuously rotated to continuously discharge hot air in the metal shell outwards, so that the danger caused by overhigh temperature of the battery unit in the metal shell is avoided.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic diagram showing the separation of the metal casing and the cell structure according to the present invention;

FIG. 3 is a schematic diagram of the first through hole and the two-position distribution of the through holes according to the present invention;

FIG. 4 is a schematic view of the structure of the pillar and the fluted disc of the present invention;

FIG. 5 is a schematic view of the construction of the pushing wedge and the partition according to the present invention;

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

FIG. 7 is a schematic view of the structure of the spring plate and the retainer ring of the present invention;

FIG. 8 is a schematic structural view of a first arc groove block and a second arc groove block of the present invention;

FIG. 9 is a schematic structural view of a rubber ring II of the present invention;

FIG. 10 is a schematic view of a sphere structure according to the present invention;

FIG. 11 is a schematic view of a spacing frame according to the present invention;

FIG. 12 is a top view of the slider and spacer of the present invention.

In the figure: 1-a metal housing; 2-a battery cell; 3-longitudinal and transverse ribs; 4-a temperature measuring mechanism; 5-a heat dissipation mechanism; 6-a closure assembly; 7-a transmission mechanism; 8-a touch component; 9-a toggle mechanism; 10-an electric actuator; 11-a motor; 12-a first through hole; 13-a second through hole; 14-a column; 15-a turntable; 16-fluted disc; 17-gullet column; 18-a belt; 19-a gear; 20-a closure cap; 21-air cylinder; 22-rubber ring I; 23-pushing the oblique block; 24-a partition; 25-a piston disc; 26-right-angled posts; 27-spring five; 28-a piston rod; 29-a ferrule; 30-a closing plate; 31-a scaffold; 32-an impeller; 33-leak hole bottom support; 34-a temperature sensing part; 35-a first spring; 36-a spring plate; 37-a collar; 38-rubber ring two; 39-a curved tube; 40-arc groove block one; 41-arc groove block two; 42-a telescopic rod; 43-sphere; 44-sliding sleeve seat; 45-a slide block; 46-spring two; 47-a cannula; 48-bevel pushrod; 49-a positioning frame; 50-a limiting rod; 51-spring three; 52-spring four; 53-straight rod; 54-limiting frame.

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.

Example 1

Referring to fig. 1 and 2, a temperature measuring device shown in the figure includes a metal casing 1 and a battery unit 2 installed inside the metal casing 1, an electrical actuator 10 for pushing and touching is fixedly installed at an upper end of the metal casing 1, and is characterized in that: the inner wall of the metal shell 1 is fixedly provided with longitudinal and transverse ribs 3, and the metal shell 1 and the battery unit 2 are separated by the longitudinal and transverse ribs 3; the temperature measuring mechanism 4 is arranged at the top of the metal shell 1, and the heat radiating mechanism 5 is also arranged at the top of the metal shell 1; the transmission mechanism 7 can install the transmission mechanism 7 triggered by the temperature measuring mechanism 4 and the heat radiating mechanism 5 at the outer side of the metal shell 1, and the side end of the transmission mechanism 7 is also provided with a toggle mechanism 9, wherein the electric trigger 10 can be an electric push rod, a micro cylinder and the like.

Referring to fig. 3, 4, 6 and 7, in the illustration, the temperature measuring mechanism 4 includes four through holes two 13 equally distributed on the top of the metal housing 1 along the circumference, a leak hole base 33 is fixedly installed at the bottom of the through holes two 13, a sealing cover 20 is slidably embedded in the leak hole base 33, the sealing cover 20 is movably embedded in the through holes two 13, a first spring 35 is installed between the lower end of the sealing cover 20 and the leak hole base 33, a temperature sensing part 34 is slidably embedded in the sealing cover 20, an electrical flat cable is connected between the temperature sensing part and the temperature sensing part, two groups of elastic sheets 36 distributed in an eight shape are fixedly installed at the top of the temperature sensing part 34, a clamping ring 37 is slidably sleeved on the outer surface of the movable end of each elastic sheet 36, the clamping ring 37 is fixedly connected with the sealing cover 20, and the clamping ring 37 limits the elastic sheets 36.

Referring to fig. 6, the sealing assembly 6 shown in the figure includes a sealing plate 30 slidably inserted into a ferrule 29, and one end of the sealing plate 30 close to the sealing cap 20 is mounted with a gas cylinder 21, the gas cylinder 21 is fixedly connected with the metal housing 1, a right-angled pillar 26 is slidably inserted into a top of the gas cylinder 21, a transverse portion of the right-angled pillar 26 extends in a direction close to the sealing cap 20, a piston disc 25 is fixedly mounted at a lower end of the right-angled pillar 26, the piston disc 25 is movably engaged with the gas cylinder 21, a return spring is mounted at a bottom of the piston disc 25, one end of the piston disc 25 close to the sealing plate 30 is communicated with an extension cylinder, a piston rod 28 is slidably inserted into an inner portion of the extension cylinder, one end of the piston rod 28 far from the gas cylinder 21 is fixedly connected with the sealing plate 30, and when the sealing cap 20 is engaged with the second through hole 13, the pushing inclined block 23 can push the right-angled pillar 26 at the same time, so that the sealing plate 30 moves, and seals the first through hole 12.

Referring to fig. 8, in the figure, the transmission mechanism 7 includes a motor 11 fixedly mounted at the front end of the metal housing 1, and a vertical column 14 is fixedly mounted at the top center position of the metal housing 1, a fluted disc 16 is rotatably sleeved on the outer side of the vertical column 14, the fluted disc 16 is movably engaged with a gear 19, a fluted column 17 is engaged with the outer side of the fluted disc 16, the lower end of the fluted column 17 is rotatably embedded in the metal housing 1, a transmission belt 18 is mounted on the output end of the motor 11 and the outer surface of the fluted column 17 through a transmission wheel, and the motor 11 drives the fluted disc 16 to rotate through the fluted column 17 and the transmission belt 18.

Referring to fig. 8-10, in the drawings, the toggle mechanism 9 includes a sliding sleeve seat 44 fixedly mounted on the upper end of the metal housing 1, the sliding sleeve seat 44 is located between the motor 11 and the upright post 14, a sliding block 45 is slidably mounted inside the sliding sleeve seat 44, a second spring 46 is mounted at one end of the sliding block 45 close to the upright post 14, a sleeve 47 is fixedly mounted at the upper end of the sliding block 45, a curved tube 39 is rotatably sleeved on the outer surface of the upper end of the sleeve 47, the inner diameter of the inner cavity of the curved tube 39 is consistent with that of the sleeve 47, an expansion link 42 is slidably embedded in an upper end opening of the curved tube 39, a sliding disc is fixedly mounted at one end of the expansion link 42 far from the motor 11, a fourth spring 52 is mounted between the sliding disc and the upper end opening of the curved tube 39, a first arc groove block 40 is fixedly mounted at one end of the expansion link 42 far from the fourth spring 52, a second arc groove block 41 is fixedly mounted at one end of the curved tube 39 far from the first arc groove block 40 through a connecting rod, a pushing member is mounted inside the sleeve 47, a pushing member is mounted between the second arc groove block 41 and the upright post 14, the first arc groove block 40 is mounted in a fully extended state, and the sleeve 47 is located at the center of the center.

Referring to fig. 10 and 11, the pushing member in the drawings includes a bevel push rod 48 slidably embedded in a sleeve 47, a plurality of balls 43 are slidably embedded in a curved tube 39 and the sleeve 47, the balls 43 are distributed at the upper end of the bevel push rod 48, a limiting rod 50 is fixedly mounted at the left end of the bevel push rod 48, a positioning frame 49 is movably sleeved at the outer side of the limiting rod 50, the positioning frame 49 is fixedly connected with the metal shell 1, a spring three 51 is fixedly mounted between one end of the positioning frame 49, which is far away from the bevel push rod 48, and the limiting rod 50, a limiting frame 54 is mounted at the periphery of the curved tube 39, the limiting frame 54 is fixedly connected with the metal shell 1, a straight rod 53 is fixedly mounted at the outer side of the curved tube 39, the straight rod 53 is slidably embedded with the limiting frame 54, a spring five 27 is fixedly mounted between the straight rod 53 and the limiting frame 54, and when the telescopic rod 42 is pushed out by the balls 43, the distance between the first arc groove block 40 and the second arc groove block 41 is larger and larger, and when the telescopic rod 42 moves to the maximum value, the first arc groove block 40 and the straight rod can correspondingly contact with the second rubber ring 38 and the rubber ring 22.

Referring to fig. 4 and 5, in the illustration, the touch component 8 includes a rotating disc 15 rotatably sleeved on the outer surface of the upright post 14, a rubber ring i 22 is fixedly installed on the outer side of the rotating disc 15, a rubber ring ii 38 is fixedly installed on the top of the output end of the motor 11 through the rotating disc, the outer diameters of the cross sections of the rubber ring ii 38 and the rubber ring i 22 are the same, the inner arc surfaces of the arc groove block i 40 and the arc groove block ii 41 are movably attached to the rubber ring ii 38 and the arc groove block ii 41 respectively, a plurality of convex particles are fixedly installed on the inner arc surfaces of the arc groove block i 40 and the arc groove block ii 41, a plurality of pushing inclined blocks 23 and partition parts 24 which are circumferentially arranged equidistantly in a staggered manner are distributed on the lower end surface of the rotating disc 15, the upper end surfaces of the pushing inclined blocks 23 and the partition parts 24 occupy the same area, and the pushing inclined blocks 23 and the partition parts 24 at the bottom can alternately contact with the top of the sealing cover 20 through every rotation of the rotating disc 15.

Referring to fig. 12, in the figure, when the third spring 51 is compressed, the longitudinal gap between the limiting rod 50 and the positioning frame 49 is the same as the minimum longitudinal gap between the sliding block 45 and the sliding sleeve seat 44, that is, after the third spring 51 and the limiting rod 50 are reset, the bevel push rod 48 is withdrawn towards the outside of the sleeve 47, after the distance between the first arc groove block 40 and the second arc groove block 41 is shortened, the second spring 46 in the compressed state can displace the sliding block 45 by a short distance, and after the displacement is completed, neither the first arc groove block 40 nor the second arc groove block 41 can be in effective contact with the second rubber ring 38 and the first rubber ring 22.

A method of temperature measurement, comprising the steps of:

s1: in the initial stage, the motor 11 drives the four impellers 32 to continuously rotate through the transmission mechanism 7, so that hot air in the metal shell 1 is discharged outwards, and the sealing cover 20 is in an extending state at the moment;

s2: in the temperature measurement debugging stage, the limiting rod 50 is pushed by the electric trigger 10, so that the first arc groove block 40 and the second arc groove block 41 are finely adjusted and unfolded, and the first arc groove block 40 and the second arc groove block 41 can be tightly attached to the second rubber ring 38 and the first rubber ring 22 respectively after being unfolded, at the moment, the motor 11 can drive the first rubber ring 22 to rotate by a partial angle through the second rubber ring 38, the first arc groove block 40 and the second arc groove block 41, and the rotation angle is consistent with the radian of each pushing inclined block 23 and each partition part 24 distributed at the bottom of the turntable 15, namely, the first rubber ring 22 and the turntable 15 can rotate by a small angle when the limiting rod 50 is triggered each time;

s3: in the temperature measuring stage, the turntable 15 rotates to push the sealing cover 20 through the pushing inclined block 23 to seal the second through hole 13, meanwhile, the bottom of the temperature sensing part 34 is attached to the battery unit 2, and in the pushing process of the pushing inclined block 23 to the sealing cover 20, the first through hole 12 can be sealed through the sealing assembly 6 at the same time, so that the metal shell 1 is in a short sealing stage, and the temperature measuring accuracy is ensured;

s4: in the heat dissipation stage, the limiting rod 50 is loosened and pushed once again after the temperature measurement is completed, so that the partition part 24 is distributed at the upper end of the sealing cover 20, the sealing cover 20 can be reset after being not limited by the pushing inclined block 23, namely, the through hole two 13 and the through hole one 12 are both in an open state, and meanwhile, the impeller 32 continuously rotates to quickly discharge hot air in the metal shell 1.

The working principle of accurately measuring the temperature of the battery is as follows: when temperature measurement is needed, a user pushes a bevel push rod 48 through a limiting rod 50 through an electric actuator 10, in the pushing process, the bevel push rod 48 pushes a plurality of balls 43 upwards through a bevel to push a telescopic rod 42, so that a spring four 52 is compressed, the telescopic rod 42 drives a first arc groove block 40 to extend completely, after the distance between the first arc groove block 40 and a second arc groove block 41 is increased, the first arc groove block 40 contacts a second rubber ring 38 first, when the first arc groove block 40 and the second arc groove block 41 are in initial contact, the friction force is not large, after the distance between the first arc groove block 40 and the second arc groove block 41 is increased to the maximum value, the telescopic rod 42 extends completely, the first arc groove block 40 is limited by the second rubber ring 38, the sliding block 45 deviates towards the upright column 14 in a micro-distance, after the deviation, the first arc groove block 40 and the second arc groove block 41 can effectively contact the second rubber ring 38 and the first rubber ring 22 under the pushing effect, meanwhile, the first rubber ring 38 can rotate through the first arc groove block 40 and the second arc groove block 41, and the arc groove block 41 can only rotate due to the small-angle, and the first arc groove block 22 is a small-pushing disc 15;

the rotary table 15 rotates a small angle to extrude the sealing cover 20 and the right-angle column 26 just through the pushing inclined block 23, meanwhile, when the sealing cover 20 moves downwards, the piston disc 25 can push the sealing plate 30 through the piston rod 28, at the moment, the first through hole 12 and the second through hole 13 are in a sealing state, and in the downward movement process of the sealing cover 20, the temperature sensing part 34 at the bottom of the sealing cover can be effectively contacted with the upper end surface of the battery unit 2, namely, the temperature sensing part 34 carries out temperature measurement treatment on the battery unit 2 when the metal shell 1 is in the sealing state, so that the temperature measurement accuracy is effectively ensured;

after the temperature measurement is finished, the electric actuator 10 is driven again, the limiting rod 50 is loosened, and then pushed again to be loosened, so that the turntable 15 rotates a small angle again, and the partition part 24 is positioned at the upper end of the sealing cover 20;

after the limit rod 50 drives the bevel push rod 48 to reset, the telescopic rod 42 and the first arc groove block 40 of the limit rod can also reset, the second spring 46 enables the sliding block 45 to deflect without being stressed, at the moment, the first arc groove block 40 and the second arc groove block 41 are not in contact with the first rubber ring 22 and the second rubber ring 38, and the first arc groove block 40 and the second arc groove block 41 can also reset by pushing the straight rod 53 through the rebounding of the fifth spring 27.

Example 2

Referring to fig. 6, in this embodiment, as further described in embodiment 1, the heat dissipation mechanism 5 includes four first through holes 12 that are provided on the top of the metal shell 1 and are distributed at equal intervals on the circumference, the first through holes 12 are distributed inside an inscribed circle of the four second through holes 13, a cutting ferrule 29 is fixedly mounted at the upper end of the first through holes 12, an impeller 32 is rotatably mounted at the upper end of the cutting ferrule 29 through a bracket 31, a gear 19 is fixedly connected to the upper end of a rotating shaft of the impeller 32, a sealing component 6 is mounted between the cutting ferrule 29 and the sealing cover 20, and hot air inside the metal shell 1 can be discharged outwards by continuous rotation of the impeller 32 in a normal state.

Can guarantee the operating principle to the effective heat dissipation of battery when accurate measurement battery temperature: under the condition that the motor 11 is continuously operated, the fluted disc 16 can be driven to rotate by the driving belt 18 and the toothed groove column 17, the four groups of gears 19 and the impeller 32 can be driven to rotate by the rotation of the fluted disc 16, and as long as the first through hole 12 and the second through hole 13 are not in a closed state, hot air in the metal shell 1 can be continuously discharged outwards, so that the battery unit 2 is ensured not to have excessive high temperature under a normal state.

Example 3

Referring to fig. 7, the temperature measuring mechanism 4 of the present embodiment further includes four second through holes 13 that are circumferentially and equidistantly disposed at the top of the metal housing 1, a bushing base 33 is fixedly mounted at the bottom of the second through holes 13, a sealing cover 20 is slidably embedded in the bushing base 33, the sealing cover 20 is movably embedded in the second through holes 13, a first spring 35 is mounted between the lower end of the sealing cover 20 and the bushing base 33, a temperature sensing part 34 is slidably embedded in the sealing cover 20, an electrical flat cable is connected between the two temperature sensing parts, two sets of elastic sheets 36 that are distributed in an "eight" shape are fixedly mounted at the top of the temperature sensing part 34, a collar 37 is slidably sleeved on the outer surface of the movable end of each elastic sheet 36, and the collar 37 is fixedly connected to the sealing cover 20, wherein the collar 37 limits the elastic sheets 36.

In this embodiment: in order to avoid that the temperature sensing part 34 cannot contact the battery unit 2 when the sealing cover 20 moves downwards or the contact pressure is too large to cause great compression on the battery unit 2, so that the battery unit 2 is damaged, after the temperature sensing part 34 contacts the surface of the battery unit 2, the sealing cover 20 continuously moves downwards to push the elastic sheet 36, so that the elastic sheet 36 is deformed, the elastic sheet 36 is limited by the clamping ring 37, the elastic sheet 36 is gradually flattened under the condition of being pressed, the pressure is buffered by the elastic sheet 36, and the temperature sensing part 34 is prevented from pressing the battery unit 2 too much;

the tail of the movable end of the elastic sheet 36 is provided with a protruding structure for preventing the elastic sheet 36 from slipping off the collar 37.

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. A temperature measuring device comprises a metal shell (1) and a battery unit (2) installed inside the metal shell (1), wherein an electric trigger (10) used for pushing touch is fixedly installed at the upper end of the metal shell (1), and the temperature measuring device is characterized in that: the inner wall of the metal shell (1) is fixedly provided with longitudinal and transverse ribs (3), and the metal shell (1) and the battery unit (2) are separated by the longitudinal and transverse ribs (3);

the temperature measuring mechanism (4) is used for accurately measuring the temperature of the battery unit (2), the temperature measuring mechanism (4) is installed at the top of the metal shell (1), and the top of the metal shell (1) is also provided with a heat dissipation mechanism (5);

the transmission mechanism (7) triggers the temperature measuring mechanism (4) and the heat dissipation mechanism (5), the transmission mechanism (7) is installed on the outer side of the metal shell (1), and a toggle mechanism (9) is further installed at the side end of the transmission mechanism (7);

the temperature measuring mechanism (4) comprises four through holes II (13) which are arranged at the top of the metal shell (1) and are distributed at equal intervals along the circumference, a leakage hole base (33) is fixedly arranged at the bottom of each through hole II (13), a sealing cover (20) is embedded in the leakage hole base (33) in a sliding manner, the sealing cover (20) is movably embedded with the through holes II (13), a spring I (35) is arranged between the lower end of the sealing cover (20) and the leakage hole base (33), a temperature sensing part (34) is embedded in the sealing cover (20) in a sliding manner, an electric flat cable is connected between the sealing cover and the sealing cover, two groups of elastic sheets (36) distributed in an eight shape are fixedly arranged at the top of the temperature sensing part (34), a clamping ring (37) is sleeved on the outer surface of the movable end of each elastic sheet (36) in a sliding manner, and the clamping ring (37) is fixedly connected with the sealing cover (20);

the heat dissipation mechanism (5) comprises four first through holes (12) which are formed in the top of the metal shell (1) and are distributed in a circumferential equidistant mode, the first through holes (12) are distributed in the inner circle of the four second through holes (13), a clamping sleeve (29) is fixedly installed at the upper end of each first through hole (12), an impeller (32) is rotatably installed at the upper end of each clamping sleeve (29) through a support (31), a gear (19) is fixedly connected to the upper end of a rotating shaft of the impeller (32) in a sleeved mode, and a sealing assembly (6) is installed between each clamping sleeve (29) and the sealing cover (20);

the sealing assembly (6) comprises a sealing plate (30) which is slidably embedded in a clamping sleeve (29), an air cylinder (21) is installed at one end, close to the sealing cover (20), of the sealing plate (30), the air cylinder (21) is fixedly connected with the metal shell (1), a right-angle column (26) is slidably embedded in the top of the air cylinder (21), the transverse part of the right-angle column (26) extends in a direction close to the sealing cover (20), a piston disc (25) is fixedly installed at the lower end of the right-angle column (26), the piston disc (25) is movably embedded in the air cylinder (21), a reset spring is installed at the bottom of the piston disc (25), one end, close to the sealing plate (30), of the piston disc (25) is communicated with an extending cylinder, a piston rod (28) is slidably embedded in the extending cylinder, and one end, far away from the air cylinder (21), of the piston rod (28) is fixedly connected with the sealing plate (30);

the transmission mechanism (7) comprises a motor (11) fixedly mounted at the front end of the metal shell (1), an upright post (14) is fixedly mounted at the center position of the top of the metal shell (1), a fluted disc (16) is rotatably sleeved on the outer side of the upright post (14), the fluted disc (16) is movably meshed with the gear (19), a fluted disc column (17) is meshed with the outer side of the fluted disc (16), the lower end of the fluted disc column (17) is rotatably embedded in the metal shell (1), and a transmission belt (18) is mounted on the output end of the motor (11) and the outer surface of the fluted disc column (17) through a transmission wheel;

the toggle mechanism (9) comprises a sliding sleeve seat (44) fixedly arranged at the upper end of the metal shell (1), and the sliding sleeve seat (44) is positioned between the motor (11) and the upright post (14), a sliding block (45) is arranged in the sliding sleeve seat (44) in a sliding way, and one end of the sliding block (45) close to the upright post (14) is provided with a second spring (46), a sleeve (47) is fixedly arranged at the upper end of the sliding block (45), and the outer surface of the upper end of the sleeve (47) is rotationally sleeved with a curved pipe (39), the inner diameters of the inner cavities of the curved tube (39) and the sleeve (47) are consistent, an expansion link (42) is embedded in the upper port of the curved tube (39) in a sliding way, a sliding disc is fixedly arranged at one end of the telescopic rod (42) far away from the motor (11), a spring IV (52) is arranged between the sliding disc and the upper port of the curved tube (39), one end of the telescopic rod (42) far away from the spring IV (52) is fixedly provided with a first arc groove block (40), one end of the curved pipe (39) far away from the arc groove block I (40) is fixedly provided with an arc groove block II (41) through a connecting rod, a pushing piece is arranged inside the sleeve (47), a touch component (8) is arranged between the second arc groove block (41) and the upright post (14);

the touch component (8) comprises a rotary disc (15) which is rotatably sleeved on the outer surface of the upright post (14), a rubber ring I (22) is fixedly installed on the outer side of the rotary disc (15), a rubber ring II (38) is fixedly installed at the top of the output end of the motor (11) through a rotary disc, the outer diameter of the cross section of the rubber ring II (38) is consistent with that of the rubber ring I (22), the inner arc surfaces of the arc groove block I (40) and the arc groove block II (41) are movably attached to the rubber ring II (38) and the arc groove block II (41) respectively, a plurality of convex particles are fixedly installed on the inner arc surfaces of the arc groove block I (40) and the arc groove block II (41), a plurality of pushing inclined blocks (23) and partition parts (24) which are arranged in a staggered mode at equal intervals are distributed on the lower end surface of the rotary disc (15), and the occupied area of the pushing inclined blocks (23) is consistent with that of the upper end surface of the partition parts (24).

2. A temperature measuring device according to claim 1, wherein: push away the piece including slide inlay in inside hypotenuse push rod (48) of sleeve pipe (47), curved pipe (39) with the inside slip of sleeve pipe (47) has inlayed a plurality of spheroid (43), just spheroid (43) distribute in the upper end of hypotenuse push rod (48), the left side fixed mounting of hypotenuse push rod (48) has gag lever post (50), just locating rack (49) have been cup jointed in the outside activity of gag lever post (50), locating rack (49) with metal casing (1) is fixed connection, locating rack (49) are kept away from the one end of hypotenuse push rod (48) with fixed mounting has spring three (51) between gag lever post (50), spacing rack (54) is installed to the periphery of curved pipe (39), just spacing rack (54) with metal casing (1) is fixed connection, the outside fixed mounting of curved pipe (39) has straight-bar (53), just straight-bar (53) with spacing rack (54) slip gomphosis, straight-round-bar (53) with fixed mounting has five spring (27) between gag lever post (54).

3. A temperature measuring device according to claim 2, wherein: and under the compressed state of the spring III (51), the longitudinal clearance between the limiting rod (50) and the positioning frame (49) is consistent with the minimum longitudinal clearance between the sliding block (45) and the sliding sleeve seat (44).

4. A temperature measuring method comprising the temperature measuring device according to claim 1, characterized in that: the method comprises the following steps:

s1: in the initial stage, the motor (11) drives the four impellers (32) to continuously rotate through the transmission mechanism (7), hot air in the metal shell (1) is discharged outwards, and the sealing cover (20) is in an extending state at the moment;

s2: in the temperature measurement debugging stage, the limiting rod (50) is pushed by the electric actuator (10), so that the first arc groove block (40) and the second arc groove block (41) are finely expanded, the first arc groove block (40) and the second arc groove block (41) can be tightly attached to the rubber ring II (38) and the rubber ring I (22) respectively after being expanded, at the moment, the motor (11) drives the rubber ring I (22) to rotate by a partial angle through the rubber ring II (38), the first arc groove block (40) and the second arc groove block (41), the rotating angle of the rubber ring I (22) is consistent with the radian of each pushing inclined block (23) and the radian of each partition part (24) distributed at the bottom of the turntable (15), namely, the first rubber ring (22) and the turntable (15) can rotate by a small angle by touching the limiting rod (50) each time;

s3: in the temperature measuring stage, the rotary table (15) rotates to push the sealing cover (20) through the pushing inclined block (23) to seal the second through hole (13), meanwhile, the bottom of the temperature sensing part (34) is attached to the battery unit (2), and in the pushing process of the pushing inclined block (23) to the sealing cover (20), the first through hole (12) is sealed through the sealing assembly (6) at the same time, so that the metal shell (1) is in a short sealing stage, and the temperature measuring accuracy is guaranteed;

s4: in the heat dissipation stage, the limiting rod (50) is loosened and pushed once again after temperature measurement is completed, the partition part (24) is distributed at the upper end of the sealing cover (20), the sealing cover (20) is not limited by the pushing inclined block (23) and then reset, namely, the through hole II (13) and the through hole I (12) are both in an open state, and meanwhile, hot air in the metal shell (1) is rapidly exhausted by continuous rotation of the impeller (32).