CN115290220A - Temperature sensor for detecting new energy automobile battery and detection method thereof - Google Patents

Abstract

A temperature sensor for detecting a new energy automobile battery and a detection method thereof belong to the technical field of new energy automobiles, and aim to solve the problem that when an existing new energy automobile battery is damaged, the temperature sensor is easy to damage together or cannot be taken out quickly for use, and is scrapped to cause waste; through the movable groove, the setting of installation sleeve, set up the activity of temperature sensor body in the top of battery casing, the temperature sensing paster that detects probe rod bottom sees through a location section of thick bamboo laminating battery inner core and carries out temperature detection, to the inside annular lug that fills nitrogen gas tympanites elastic expansion sleeve buckling fixed cylinder inside of nitrogen gas storage cylinder accomplish the fixed to temperature sensor body and battery casing, the quick components of a whole that can function independently equipment of temperature sensor body and battery casing has been realized, the elastic expansion sleeve takes off from the battery casing after through gassing valve mouth release nitrogen gas, avoid the built-in and easy damage along with the battery of temperature sensor and be difficult to dismantle the problem of continuing the usefulness.

Description

Temperature sensor for detecting new energy automobile battery and detection method thereof

Technical Field

The invention relates to the technical field of new energy automobiles, in particular to a temperature sensor for detecting a new energy automobile battery and a detection method thereof.

Background

The new energy automobile adopts unconventional automobile fuel as a power source (or adopts conventional automobile fuel and a novel vehicle-mounted power device), integrates advanced technologies in the aspects of power control and driving of the automobile, and forms an automobile with advanced technical principle, new technology and new structure. New energy vehicles include four major types: hybrid Electric Vehicles (HEV), pure electric vehicles (BEV, including solar vehicles), fuel Cell Electric Vehicles (FCEV), other new energy vehicles (such as super capacitors, high efficiency energy storage devices such as flywheels), and the like. Unconventional automotive fuels refer to fuels other than gasoline, diesel.

The power output of the new energy automobile is provided by the energy of the storage battery, the battery can be scalded after long-time continuous work, the battery is burnt due to overhigh temperature, and therefore the temperature of the battery is monitored by the temperature sensor in real time, a driver is helped to control the real-time working temperature of the new energy automobile battery in real time, and the battery is prevented from being damaged by high temperature. However, most of the existing new energy automobile batteries adopt a galvanic pile structure, most of the temperature sensors are arranged inside a casing of the galvanic pile batteries, the temperature sensors can be scrapped together after the batteries are accidentally damaged, and even if the temperature sensors are intact, the complicated disassembly of the casing of the battery package also causes the batteries to be rapidly taken out for continuous use, so that most of the temperature sensors are scrapped along with the batteries and are wasted.

Therefore, a temperature sensor for detecting a new energy automobile battery and a detection method thereof are provided.

Disclosure of Invention

The invention aims to provide a temperature sensor for detecting a new energy automobile battery and a detection method thereof, and aims to solve the problem that in the background technology, the temperature sensor of the existing new energy automobile battery is arranged in a battery shell, and when the battery is damaged, the temperature sensor is easy to damage together or cannot be taken out quickly for use, and is scrapped to cause waste.

In order to achieve the purpose, the invention provides the following technical scheme: a temperature sensor for detecting a new energy automobile battery comprises a temperature sensor body, wherein the temperature sensor body is movably clamped in a movable groove at the top of a battery shell, a positioning barrel is arranged at the top of the battery shell at the adjacent position of two ends of the movable groove, a detection head of the temperature sensor body extends into the battery shell through the positioning barrel, the tail end of the detection head of the temperature sensor body is attached to a battery inner core in the battery shell, the temperature sensor body comprises a mounting seat and a detection box fixedly connected to the top of the mounting seat, a circuit board is arranged in the detection box, a detection chip and a processor are sequentially arranged on the outer wall of the circuit board, a connector is fixedly connected to the outer wall of one side of the detection box and electrically connected with the circuit board, a data wire is fixedly connected to the tail end of the connector, a detection probe rod is fixedly connected to the bottom of the mounting seat, a temperature sensing patch is fixedly connected to the bottom of the detection probe rod and electrically connected with the detection chip, a mounting plate is fixedly connected to the outer wall of one side of the mounting seat, a limiting part is fixedly connected to the bottom of the mounting plate, a movable clamping sleeve is sleeved on the outer wall of the limiting part, and the lower end of the mounting sleeve is movably clamped in the movable groove;

the locating part includes that fixed connection has the installation column cap and the rotary drum in the inflation of fixed connection bottom the installation column cap of mounting panel bottom, be provided with the gas outlet on the outer wall of inflation transfer section of thick bamboo both sides, sealed package cover has elastic telescopic sleeve on the outer wall of gas outlet end, be provided with the bleeder valve mouth on one side outer wall of elastic telescopic sleeve, the one-way air inlet has been seted up to the bottom of rotary drum in the inflation, and the fixedly connected with sealing washer on the outer wall that the transfer section of thick bamboo is close to bottom department in the inflation, the rotary drum lower extreme extends to inside the nitrogen gas storage cylinder in the inflation, nitrogen gas storage cylinder activity cup joints on the outer wall of installation column cap, the guiding hole has been seted up to corresponding elastic telescopic sleeve department on the lateral wall of nitrogen gas storage cylinder, be provided with the air inlet valve mouth on the nitrogen gas storage cylinder lateral wall of guiding hole lower extreme, and nitrogen gas storage cylinder activity block overlaps in the telescopic fixed cylinder of installation, the integrative annular lug of fixedly connected with on the inner wall of fixed cylinder top port department.

Further, when nitrogen gas storage cylinder cup jointed inside the solid fixed cylinder completely, the elastic expansion cover that guiding hole department extended out was located the below of annular lug, and nitrogen gas storage cylinder passes through elastic expansion cover buckle annular lug bottom surface and cutting ferrule in the solid fixed cylinder, and at this moment, the lower extreme that detects the probe rod extends to inside the battery casing through a location section of thick bamboo, and the inside battery inner core of temperature sensing paster laminating battery casing carries out the temperature and detects.

Further, the bottom swing joint of a fixed section of thick bamboo has the mounting disc, the bottom fixedly connected with locator card post of mounting disc, and the fixed section of thick bamboo lower extreme passes through mounting disc and locator card post activity block in the activity inslot, has seted up the intercommunicating pore on the fixed section of thick bamboo both sides outer wall of activity groove top, and the intercommunicating pore corresponds flexible cover and bleeder valve mouth setting, and fixedly connected with regulating part on the fixed section of thick bamboo bottom plate.

Further, aerify well rotary drum and be hollow structure, its roof lower extreme one side fixedly connected with mounting bracket, mounting bracket lower extreme suspension in one-way air inlet top one side, swing joint has the deflection pole on the lateral wall of mounting bracket, is connected through the torsional spring between deflection pole and the mounting bracket lateral wall, the terminal bottom fixedly connected with sealing ball valve of deflection pole, sealing ball valve corresponds the one-way air inlet setting.

Further, swing joint has the closing plate on the gas outlet air inlet end outside on the adjacent department's of gas outlet top the drum inner wall of aerifing, closing plate suspension, and the closing plate is close to the gomphosis on the outer wall of gas outlet one side and installs magnetism and inhale the piece, and magnetism is inhaled the piece and is set up and be close to bottom department on the closing plate lateral wall, links to each other through connecting the rope is fixed between the sealing plate lateral wall of one-way air inlet both sides.

Further, when the torsional spring keeps normal relaxation state, the deflection pole level suspension in one-way air inlet top, at this moment, the sealed card cover of lower extreme of sealed ball valve is in one-way air inlet port, and the vertical laminating of closing plate blocks the gas outlet of one-way air inlet both sides, and connects the rope and tighten and press close to the suspension in deflection pole top.

Further, a nitrogen gas storage cylinder is provided with a removal section of thick bamboo including the connecting sleeve and the activity running through connecting sleeve bottom plate of activity cup joint installation column cap, removes a section of thick bamboo and connecting sleeve bottom plate junction sealing treatment, removes a first piston dish of top fixedly connected with, and first piston dish activity block fits between the connecting sleeve inner wall, and first piston dish top both sides fixedly connected with spring beam, and the spring beam top is suspended in the connecting sleeve.

Further, the movable cylinder is hollow structure, its inside is provided with expands the appearance chamber, dilatation chamber port extends to first piston dish top department, the even fixedly connected with elastomeric element in dilatation chamber bottom plate upper end, elastomeric element's top fixedly connected with second piston dish, and the inside piston gas pocket that is provided with of movable cylinder of dilatation chamber both sides, piston push rod has been cup jointed in the activity of piston gas pocket top port, piston push rod top is run through and is extended to first piston dish top, when elastomeric element kept normal diastole state, the piston gas pocket is located second piston dish below with the connector that expands the appearance chamber, at this moment, second piston dish is pressed close to the suspension and is expanded chamber bottom plate top.

Further, the regulating part includes fixed connection in the heat conduction ring on the fixed cylinder bottom plate and sets up the annular mounting groove at heat conduction ring top, and elastic air storage pad is installed to the inside gomphosis of annular mounting groove, the even fixedly connected with L type riser in heat conduction ring top in the annular mounting groove outside, and the relative heat conduction ring top fixed connection of L type riser roof has the puncture pole, punctures the pole top activity and runs through L type riser roof setting.

The invention provides another technical scheme that: a detection method of a temperature sensor for detecting a new energy automobile battery comprises the following implementation steps:

s1: connecting an air inlet valve nozzle with inflation equipment to fill nitrogen into the nitrogen storage cylinder, and then respectively inserting the nitrogen storage cylinder and the detection probe rod into a fixed cylinder and a positioning cylinder at the top of the battery shell;

s2: pressing the mounting plate connected with the top end of the nitrogen storage cylinder downwards to enable the detection probe rod and the nitrogen storage cylinder to move downwards, enabling the temperature sensing patch at the bottom of the detection probe rod to move downwards to be attached to a battery inner core in the battery shell, and enabling the movable cylinder of the nitrogen storage cylinder to move downwards to be in contact with a bottom plate of the fixed cylinder;

s3: the movable cylinder moves downwards to contact the bottom plate of the fixed cylinder and then continues to press the mounting plate until the temperature sensing patch is attached to the inner core of the battery, at the moment, the connecting sleeve moves downwards relative to the movable cylinder, and when the connecting sleeve moves downwards, the first piston disc at the top of the movable cylinder pushes and pushes the nitrogen gas filled in the connecting sleeve upwards;

s4: nitrogen is pushed to enter the inflatable transfer drum from the one-way air inlet and is led out from air outlets on two sides of the inflatable transfer drum to enter the elastic telescopic sleeves, the elastic telescopic sleeves are inflated and expanded and then extend out from guide holes in the side walls of the connecting sleeves, and the expanded elastic telescopic sleeves are buckled with the bottom surfaces of the annular bumps at the port of the fixed drum to position and fix the detection probe rod and the temperature-sensitive patches;

s5: the temperature sensing paster is attached to the battery inner core to detect the temperature of the battery inner core in real time, real-time temperature data of the battery inner core are transmitted to a detection chip inside the detection box, the detection chip transmits the real-time temperature data to the processor, and the processor converts the real-time temperature data signals and transmits the real-time temperature data to the monitoring host machine through the data wire, so that the real-time detection of the battery inner core is completed.

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

1. the invention provides a temperature sensor for detecting a new energy automobile battery and a detection method thereof.A temperature sensor body is movably arranged at the top of a battery shell through a movable groove and an installation sleeve, a temperature sensing patch at the bottom of a detection probe rod is attached to an inner core of the battery through a positioning tube for temperature detection, the temperature sensor body and the battery shell are fixed by filling a nitrogen expansion elastic telescopic sleeve in a nitrogen storage tube and buckling an annular bump in a fixed tube, so that the temperature sensor body and the battery shell are quickly assembled in a split mode, the elastic telescopic sleeve can be taken down from the battery shell after releasing nitrogen through an air release valve nozzle, and the problem that the temperature sensor body is arranged in the battery shell, and the temperature sensor is easily damaged or cannot be quickly taken out for use when the battery is damaged, and is scrapped to cause waste is avoided.

2. According to the temperature sensor for detecting the new energy automobile battery and the detection method thereof, through the arrangement of the nitrogen storage cylinder, the nitrogen sealed in the connecting sleeve and the moving cylinder in advance is squeezed and pushed through the piston disc by utilizing the pressing shrinkage of the connecting sleeve and the moving cylinder, the nitrogen in the nitrogen can be quickly led into the inflating rotary drum through the one-way air inlet, the inflating rotary drum quickly guides the nitrogen into the elastic telescopic sleeve to complete the buckling connection of the fixed cylinder, the full expansion and buckling connection stability of the elastic telescopic sleeve are ensured, and the quick assembly of the temperature sensor body is realized.

3. The invention provides a temperature sensor for detecting a new energy automobile battery and a detection method thereof.A regulating part is arranged at the bottom of a fixed cylinder through the arrangement of the regulating part, a battery inner core fires and bakes the fixed cylinder, heat is conducted into sealed gas in an elastic gas storage pad through a heat conduction ring, the sealed gas expands by being heated and expands the elastic gas storage pad, the elastic gas storage pad expands to push a piercing rod to move upwards to pierce an elastic telescopic sleeve, the elastic telescopic sleeve is exploded to release a lock catch and release a large amount of nitrogen to protect a temperature sensor body, and simultaneously, the nitrogen storage cylinder bounces and slides out from the fixed cylinder under the reverse pushing of a spring rod in the nitrogen storage cylinder, and the detection probe rod is driven to be separated from a positioning cylinder when the nitrogen storage cylinder bounces and slides out, so that the temperature sensor body is separated from the battery automatically and emergently when the battery inner core is accidentally ignited, the temperature sensor body is prevented from being damaged by the ignition of the battery inner core, and the use safety of the temperature sensor body is ensured.

Drawings

FIG. 1 is a schematic view of a temperature sensor body mounting structure according to the present invention;

FIG. 2 is a schematic structural diagram of a temperature sensor body according to the present invention;

FIG. 3 is a schematic view of the internal structure of the cartridge of the present invention;

FIG. 4 is a schematic view of the nitrogen storage cylinder and mounting sleeve mounting arrangement of the present invention;

FIG. 5 is a schematic view of the nitrogen storage cylinder and connecting stud mounting structure of the present invention;

FIG. 6 is a schematic bottom view of the inflatable middle rotating drum of the present invention;

FIG. 7 is a schematic view of the internal structure of the inflatable middle drum according to the present invention;

FIG. 8 is a schematic view of a nitrogen storage cylinder according to the present invention;

FIG. 9 is a cross-sectional view of a mobile cartridge of the present invention;

fig. 10 is a schematic view of the structure of the adjusting member of the present invention.

In the figure: 1. a temperature sensor body; 11. a mounting seat; 12. a detection cartridge; 13. a circuit board; 14. detecting a chip; 15. a processor; 16. a connector; 17. a data conductor; 18. detecting a probe rod; 19. a temperature-sensitive patch; 110. mounting a plate; 111. a stopper; 1111. mounting a column head; 1112. an inflatable middle rotating drum; 11121. a mounting frame; 11122. a deflection bar; 11123. a torsion spring; 11124. sealing the ball valve; 11125. a sealing plate; 11126. a magnetic suction block; 11127. connecting ropes; 1113. an air outlet; 1114. an elastic telescopic sleeve; 1115. an air release valve nozzle; 1116. a one-way air inlet; 1117. a seal ring; 1118. a nitrogen storage cylinder; 11181. a connecting sleeve; 11182. moving the drum; 111821 and an expansion cavity; 111822, an elastic member; 111823, second piston disc; 111824, piston air hole; 111825, a piston push rod; 11183. a first piston disc; 11184. a spring lever; 1119. a guide hole; 11110. an air intake valve nozzle; 112. installing a sleeve; 1121. a fixed cylinder; 1122. an annular projection; 1123. mounting a disc; 1124. positioning the clamping column; 1125. a communicating hole; 1126. an adjustment member; 11261. a heat conducting ring; 11262. an annular mounting groove; 11263. an elastic air storage cushion; 11264. an L-shaped vertical plate; 11265. piercing the stem; 2. a battery case; 3. a movable groove; 4. a positioning cylinder; 5. and (4) an inner core of the battery.

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 obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Please refer to fig. 1, a temperature sensor for detecting a new energy automobile battery includes a temperature sensor body 1, the temperature sensor body 1 is movably clamped in a movable groove 3 at the top of a battery case 2, a positioning tube 4 is arranged at the top of the battery case 2 at the adjacent position of two ends of the movable groove 3, a detection head of the temperature sensor body 1 extends to the inside of the battery case 2 through the positioning tube 4, and the tail end of the detection head of the temperature sensor body 1 is attached to a battery inner core 5 inside the battery case 2.

In order to solve the problem that the temperature sensor of the existing new energy automobile battery is arranged in the battery case 2, when the battery is damaged, the temperature sensor is easily damaged together or cannot be taken out for use, and is scrapped, thereby causing waste, please refer to fig. 1-7, and provide the following preferred technical scheme:

temperature sensor body 1 includes mount pad 11 and some detection box 12 of fixed connection in mount pad 11 top, the inside of detection box 12 is provided with circuit board 13, detection chip 14 and treater 15 have set gradually on the outer wall of circuit board 13, fixedly connected with connector 16 on the outer wall of one side of detection box 12, connector 16 and circuit board 13 electric connection, and the terminal fixedly connected with data wire 17 of connector 16, the bottom fixedly connected with of mount pad 11 detects probe rod 18, the bottom fixedly connected with temperature sensing paster 19 of detecting probe rod 18, temperature sensing paster 19 and detection chip 14 electric connection, fixedly connected with mounting panel 110 on the outer wall of mount pad 11 one side, the bottom fixedly connected with locating part 111 of mounting panel 110, movable clamping sleeve has mounting sleeve 112 on the outer wall of locating part 111, the lower extreme activity of mounting sleeve 112 is blocked in movable groove 3.

The limiting part 111 comprises an installation column head 1111 fixedly connected to the bottom of the installation plate 110 and an inflation transfer cylinder 1112 fixedly connected to the bottom of the installation column head 1111, the outer walls of two sides of the inflation transfer cylinder 1112 are provided with air outlets 1113, the outer wall at the tail end of the air outlet 1113 is hermetically sleeved with an elastic telescopic sleeve 1114, the outer wall of one side of the elastic telescopic sleeve 1114 is provided with an air release valve nozzle 1115, the bottom of the inflation transfer cylinder 1112 is provided with a one-way air inlet 1116, the outer wall of the inflation transfer cylinder 1112 close to the bottom is fixedly connected with a sealing ring 1117, the lower end of the inflation transfer cylinder 1112 extends into the nitrogen storage cylinder 1118, the nitrogen storage cylinder 1118 is movably sleeved on the outer wall of the installation column head 1111, the side wall of the nitrogen storage cylinder 1118 is provided with a guide hole 1119 corresponding to the elastic telescopic sleeve 1114, the side wall of the nitrogen storage cylinder 1118 at the lower end of the guide hole 1119 is provided with an air inlet valve nozzle 11110, the nitrogen storage cylinder 1118 is movably sleeved in a fixed cylinder 1121 of the installation sleeve 112, and an integrated annular convex block 1122 is fixedly connected on the inner wall at the top port of the fixed cylinder 1121.

When the nitrogen storage cylinder 1118 is completely sleeved inside the fixed cylinder 1121, the elastic expansion sleeve 1114 extending out from the guide hole 1119 is located below the annular bump 1122, the nitrogen storage cylinder 1118 is fastened to the bottom surface of the annular bump 1122 through the elastic expansion sleeve 1114 and is clamped in the fixed cylinder 1121, at this time, the lower end of the detection probe 18 extends into the battery case 2 through the positioning cylinder 4, and the temperature sensing patch 19 is attached to the battery inner core 5 inside the battery case 2 to detect the temperature.

The bottom of the fixed cylinder 1121 is movably connected with a mounting disc 1123, the bottom of the mounting disc 1123 is fixedly connected with a positioning clamp column 1124, the lower end of the fixed cylinder 1121 is movably clamped in the movable groove 3 through the mounting disc 1123 and the positioning clamp column 1124, communication holes 1125 are formed in the outer walls of the two sides of the fixed cylinder 1121 above the movable groove 3, the communication holes 1125 correspond to the elastic telescopic sleeves 1114 and the air release valve nozzle 1115, and the bottom plate of the fixed cylinder 1121 is fixedly connected with an adjusting piece 1126.

Aerify well rotary drum 1112 and be hollow structure, its roof lower extreme one side fixedly connected with mounting bracket 11121, mounting bracket 11121 lower extreme suspension is in one-way air inlet 1116 top one side, swing joint has deflection pole 11122 on the lateral wall of mounting bracket 11121, be connected through torsional spring 11123 between deflection pole 11122 and the mounting bracket 11121 lateral wall, the terminal bottom fixedly connected with sealed ball valve 11124 of deflection pole 11122, sealed ball valve 11124 corresponds one-way air inlet 1116 setting.

The sealing plate 11125 is movably connected to the inner wall of the rotary drum 1112 in the inflation adjacent position above the air outlet 1113, the sealing plate 11125 is suspended outside the air inlet end of the air outlet 1113, the outer wall of the sealing plate 11125 close to one side of the air outlet 1113 is embedded with the magnetic attraction block 11126, the magnetic attraction block 11126 is arranged on the side wall of the sealing plate 11125 close to the bottom, and the side walls of the sealing plate 11125 at two sides of the one-way air inlet 1116 are fixedly connected through a connecting rope 11127.

When the torsion spring 11123 keeps a normal diastole state, the deflection rod 11122 is horizontally suspended above the one-way air inlet 1116, at the moment, the lower end of the sealing ball valve 11124 is sealed and sleeved in the port of the one-way air inlet 1116, the sealing plate 11125 vertically adheres to and seals the air outlets 1113 on two sides of the one-way air inlet 1116, the connecting rope 11127 is tightly suspended above the deflection rod 11122, nitrogen in the nitrogen storage cylinder 1118 is pushed to upwards push the sealing ball valve 11124 from the one-way air inlet 1116, the nitrogen separated from the one-way air inlet 1116 enters the inflation transfer cylinder 1112, the sealing ball valve 11124 upwards moves to drive the deflection rod 11122 to deflect around the fixed end of the mounting frame 11121, the connecting rope 11127 is upwards pushed when the deflection rod 11122 upwards moves, the connecting rope 11127 drives the lower ends of the sealing plates 11125 at two ends to upwards move in a deflection mode, the sealing plate 11125 separates from the air outlet 1113 after deflection, the sealing plate 11125 deflects and then separates from the air outlet 1113, the nitrogen in the inflation transfer cylinder 1112 guides the filling elastic telescopic sleeve 1114 out of the nitrogen from the air outlet 1113 after the nitrogen transfer cylinder finishes the nitrogen transfer, the nitrogen transfer cylinder, the sealing plate 11124 is sealed by the torsion spring 11123 and the effect of the one-way ball valve 11123 and simultaneously, the sealing plate 11125 resets to seal the internal elastic telescopic sleeve 1114, thereby ensuring the effective temperature sensor 1114 and preventing the effective temperature of the battery from being effectively and preventing the backflow sensor 1114 under the backflow sensor 1114 and preventing the battery from being installed under the effect of the backflow sensor 1114.

Specifically, the nitrogen gas storage cylinder 1118 and the detection probe 18 are respectively inserted into the fixed cylinder 1121 and the positioning cylinder 4 at the top of the battery case 2, the mounting plate 110 connected to the top end of the nitrogen gas storage cylinder 1118 is pressed downward, so that the detection probe 18 and the nitrogen gas storage cylinder 1118 move downward, the temperature sensing patch 19 at the bottom of the detection probe 18 moves downward to be attached to the battery core 5 inside the battery case 2, the movable cylinder 11182 of the nitrogen gas storage cylinder 1118 moves downward to contact the bottom plate of the fixed cylinder 1121, the air inlet valve 11110 is connected with an inflation device to fill nitrogen gas into the nitrogen gas storage cylinder 1118 through the communication hole 1125, the nitrogen gas in the nitrogen gas storage cylinder 1118 enters the inflation transit cylinder 1112 from the one-way air inlet 1116, and is led out from the air outlets 1113 at two sides of the inflation transit cylinder 1112 to enter the elastic expansion sleeve 1114, the elastic expansion sleeve 1114 extends out of the guide hole 1119 on the side wall of the connection sleeve 11181 after inflation expansion, the expanded elastic expansion sleeve 1114 is buckled with the bottom surface of the annular bump 1122 at the port of the fixed cylinder 1121, the detection probe 18 and the temperature sensing patch 19 are positioned and fixed, the temperature sensing patch 19 is attached to the battery core 5 to detect the temperature in real time, the real-time temperature data of the battery core 5 is transmitted to the detection chip 14 in the detection box 12, the real-time temperature data is transmitted to the processor 15 by the detection chip 14, the processor 15 converts the real-time temperature data signal and transmits the real-time temperature data signal to the monitoring host by using the data lead 17 to complete the real-time detection of the battery core 5, the temperature sensor body 1 can be taken out from the fixing cylinder 1121 and the positioning cylinder 4 after the air is discharged from the elastic expansion sleeve 1114 through the communication hole 1125 by using the air discharge valve nozzle 1115, the temperature sensor body 1 is fixed on the top of the battery shell 2 by inserting the nitrogen storage cylinder into the fixing cylinder 1121 to be matched with the elastic expansion sleeve 1114 to charge air and discharge for contraction to carry out disassembly and assembly control, so as to realize the quick and split assembly of the temperature sensor body 1 and the battery, meanwhile, the temperature sensor body 1 is arranged outside the battery, so that the problem that the temperature sensor body 1 is difficult to take out for use and scrapped to cause waste after the battery is damaged is avoided, and convenience and rapidness are realized.

In order to achieve a further fast mounting of the temperature sensor body 1, as shown in fig. 2 and 4-9, the following preferred solutions are provided:

the nitrogen storage cylinder 1118 comprises a connecting sleeve 11181 and a movable moving cylinder 11182, wherein the connecting sleeve 11181 is movably sleeved with a column cap 1111, the movable moving cylinder 11182 is movably arranged on a bottom plate penetrating through the connecting sleeve 11181, the joint of the moving cylinder 11182 and the bottom plate of the connecting sleeve 11181 is sealed, a first piston disc 11183 is fixedly connected to the top of the moving cylinder 11182, the first piston disc 11183 is movably clamped between the inner walls of the connecting sleeve 11181, spring rods 11184 are fixedly connected to two sides of the top of the first piston disc 11183, and the top ends of the spring rods 11184 are suspended in the connecting sleeve 11181.

The movable cylinder 11182 is of a hollow structure, an expansion cavity 111821 is arranged in the movable cylinder 11182, the port of the expansion cavity 111821 extends to the top of the first piston disc 11183, the upper end of the bottom plate of the expansion cavity 111821 is uniformly and fixedly connected with an elastic component 111822, the top of the elastic component 111822 is fixedly connected with a second piston disc 111823, piston air holes 111824 are arranged in the movable cylinder 11182 on two sides of the expansion cavity 111821, a piston push rod 111825 is movably sleeved in the port of the top of the piston air holes 111824, the top of the piston push rod 111825 extends to the upper side of the first piston disc 11183 in a penetrating manner, when the elastic component 111822 keeps a normal expansion state, a connecting port of the piston air holes 111824 and the expansion cavity 111821 is located below the second piston disc 111823, and at the moment, the second piston disc 111823 is suspended above the bottom plate of the expansion cavity 111821.

Specifically, the connecting sleeve 11181 is connected to the mounting post 1111 to form a seal, the air inlet valve 11110 is connected to an air charging device to fill nitrogen gas into the nitrogen gas storage cylinder 1118, the connecting sleeve 11181 and the expansion cavity 111821 store a large amount of nitrogen gas, after the nitrogen gas storage cylinder 1118 is inserted into the fixed cylinder 1121, the movable cylinder 11182 moves down to contact with the bottom plate of the fixed cylinder 1121 and then continuously presses the mounting plate 110 until the temperature sensitive patch 19 is attached to the battery core 5, at this time, the connecting sleeve 11181 moves down relative to the movable cylinder 11182, when the connecting sleeve 11181 moves down, the first piston disc 11183 at the top of the movable cylinder 11182 pushes up the nitrogen gas filled in the connecting sleeve 11181, and the spring rod 11184 at the top of the first piston disc 11183 contacts the air charging transfer cylinder 1112 and then is compressed, the piston push rod 111825 is pushed by the jacking of the inflatable transfer cylinder 1112 to push the air in the piston air hole 111824 to enter the expansion cavity 111821 at the lower end of the second piston disc 111823, the airflow pushes the second piston disc 111823 to move upwards in the expansion cavity 111821, nitrogen remaining in the expansion cavity 111821 is pushed upwards again, the nitrogen enters the inflatable transfer cylinder 1112 from the one-way air inlet 1116, the nitrogen is filled in advance in the inflatable transfer cylinder 1112, the temperature sensor body 1 only needs to be pressed down when being installed, a large amount of nitrogen pre-stored can be quickly filled in the elastic expansion sleeve 1114, sufficient expansion of the elastic expansion sleeve 1114 is guaranteed, and stable connection between the temperature sensor body 1 and a battery is completed, and the device is convenient and practical.

In order to avoid the damage of the temperature sensor body 1 when the battery is damaged accidentally, as shown in fig. 1, 4, 5 and 10, the following preferred technical solutions are provided:

the adjusting piece 1126 comprises a heat conducting ring 11261 fixedly connected to the bottom plate of the fixing cylinder 1121 and an annular mounting groove 11262 formed in the top of the heat conducting ring 11261, an elastic gas storage pad 11263 is embedded in the annular mounting groove 11262, an L-shaped vertical plate 11264 is uniformly and fixedly connected to the top of the heat conducting ring 11261 on the outer side of the annular mounting groove 11262, a puncturing rod 11265 is fixedly connected to the top of the heat conducting ring 11261 opposite to the top plate of the L-shaped vertical plate 11264, and the top end of the puncturing rod 11265 movably penetrates through the top plate of the L-shaped vertical plate 11264.

Specifically, when the battery core 5 is ignited due to high temperature, flame is heated to bake the fixing cylinder 1121, heat is conducted into the annular mounting groove 11262 through the heat conduction ring 11261, the gas sealed and stored by the elastic gas storage pad 11263 and the annular mounting groove 11262 is heated to expand, the elastic gas storage pad 11263 expands to move upwards along the top port of the annular mounting groove 11262, the elastic gas storage pad 11263 pushes the puncture rod 11265 to move upwards to contact the elastic expansion sleeve 1114, the puncture rod 11265 moves upwards to puncture the elastic expansion sleeve 1114, the elastic expansion sleeve 1114 explodes to release the lock catch and release a large amount of nitrogen to protect the temperature sensor body 1, and meanwhile, the nitrogen storage cylinder 1118 is pushed reversely by the spring rod 11184 inside the nitrogen storage cylinder 1118 to bounce and slide out from the fixing cylinder 1121, the nitrogen storage cylinder 1118 drives the detection rod 18 to separate from the positioning cylinder 4 when bouncing and sliding out, so that the temperature sensor body 1 and the battery core 5 are prevented from being damaged due to accidental ignition.

In order to better show the temperature sensor for detecting the new energy automobile battery, the embodiment provides a detection method of the temperature sensor for detecting the new energy automobile battery, which includes the following implementation steps:

the method comprises the following steps: the inlet valve nozzle 11110 is connected with a charging device to fill nitrogen into the nitrogen storage cylinder 1118, and then the nitrogen storage cylinder 1118 and the detection probe 18 are respectively inserted into the fixed cylinder 1121 and the positioning cylinder 4 on the top of the battery case 2;

step two: the mounting plate 110 connected to the top end of the nitrogen storage cylinder 1118 is pressed downward, so that the detection probe 18 and the nitrogen storage cylinder 1118 move downward, the temperature sensing patch 19 at the bottom of the detection probe 18 moves downward to be attached to the battery inner core 5 inside the battery case 2, and the moving cylinder 11182 of the nitrogen storage cylinder 1118 moves downward to contact the bottom plate of the fixed cylinder 1121;

step three: the movable barrel 11182 moves downwards to contact the bottom plate of the fixed barrel 1121 and then continuously presses the mounting plate 110 until the temperature-sensitive patch 19 is attached to the battery inner core 5, at this time, the connecting sleeve 11181 moves downwards relative to the movable barrel 11182, and when the connecting sleeve 11181 moves downwards, the first piston disc 11183 at the top of the movable barrel 11182 pushes and pushes the nitrogen gas filled in the connecting sleeve 11181 upwards;

step four: the nitrogen is pushed to enter the inflatable transfer cylinder 1112 from the one-way air inlet 1116, and is led out from the air outlets 1113 at two sides of the inflatable transfer cylinder 1112 to enter the elastic telescopic sleeve 1114, the elastic telescopic sleeve 1114 expands after being inflated and extends out from the guide hole 1119 on the side wall of the connecting sleeve 11181, and the expanded elastic telescopic sleeve 1114 is buckled with the bottom surface of the annular bump 1122 at the port of the fixed cylinder 1121 to position and fix the detection probe 18 and the temperature sensing patch 19;

step five: the temperature sensing patch 19 is attached to the battery inner core 5 to detect the temperature of the battery inner core 5 in real time, real-time temperature data of the battery inner core 5 are transmitted to the detection chip 14 in the detection box 12, the detection chip 14 transmits the real-time temperature data to the processor 15, the processor 15 converts the real-time temperature data signals and transmits the real-time temperature data signals to the monitoring host through the data wire 17, and real-time detection of the battery inner core 5 is completed.

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 (10)

1. The utility model provides a temperature sensor for new energy automobile battery detects, including temperature sensor body (1), temperature sensor body (1) activity block is in activity groove (3) at battery casing (2) top, battery casing (2) top of the adjacent department in activity groove (3) both ends is provided with a location section of thick bamboo (4), the detection head of temperature sensor body (1) extends to inside battery casing (2) through a location section of thick bamboo (4), the detection head of temperature sensor body (1) is terminal to laminate mutually with battery casing (2) inside battery inner core (5), its characterized in that: the temperature sensor body (1) comprises a mounting seat (11) and a detection box (12) fixedly connected to the top of the mounting seat (11), a circuit board (13) is arranged inside the detection box (12), a detection chip (14) and a processor (15) are sequentially arranged on the outer wall of the circuit board (13), a connector (16) is fixedly connected to the outer wall of one side of the detection box (12), the connector (16) is electrically connected with the circuit board (13), a data wire (17) is fixedly connected to the tail end of the connector (16), a detection probe rod (18) is fixedly connected to the bottom of the mounting seat (11), a temperature sensing patch (19) is fixedly connected to the bottom of the detection probe rod (18), the temperature sensing patch (19) is electrically connected with the detection chip (14), a mounting plate (110) is fixedly connected to the outer wall of one side of the mounting seat (11), a limiting piece (111) is fixedly connected to the bottom of the mounting plate (110), a mounting piece (111) is movably sleeved on the outer wall of the limiting piece (111), and a mounting sleeve (112) is movably clamped in a movable groove (3), and the lower end of the mounting sleeve (112) is movably clamped in the movable groove (3);

the limiting part (111) includes mounting column cap (1111) of fixed connection in mounting panel (110) bottom and rotary drum (1112) in the inflation of mounting column cap (1111) bottom, be provided with gas outlet (1113) on the outer wall of rotary drum (1112) both sides in the inflation, sealing cover elastic expansion sleeve (1114) on the outer wall at gas outlet (1113) end, be provided with air release valve mouth (1115) on one side outer wall of elastic expansion sleeve (1114), one-way air inlet (1116) have been seted up to the bottom of rotary drum (1112) in the inflation, and fixedly connected with sealing washer (1117) on the outer wall that rotary drum (1112) is close to bottom department during the inflation, rotary drum (1112) lower extreme extends to inside nitrogen gas storage tube (1118) in the inflation, nitrogen gas storage tube (1118) activity cup joints on the outer wall of mounting column cap (1111), guiding hole (1119) have been seted up to corresponding elastic expansion sleeve (1114) department on the lateral wall of nitrogen gas storage tube (1118), be provided with air inlet valve mouth (11110) on storage tube (1118) the lateral wall of nitrogen gas storage tube (1118) lower extreme, and nitrogen gas storage tube (1118) activity card overlaps in the fixed cylinder (1121) of mounting sleeve (112), the integrative fixed lug (1121).

2. The temperature sensor for detecting the new energy automobile battery as claimed in claim 1, wherein: when the nitrogen storage cylinder (1118) is completely sleeved inside the fixed cylinder (1121), the elastic telescopic sleeve (1114) extending out of the guide hole (1119) is located below the annular bump (1122), the nitrogen storage cylinder (1118) is buckled with the bottom surface of the annular bump (1122) through the elastic telescopic sleeve (1114) and is clamped in the fixed cylinder (1121), at the moment, the lower end of the detection probe rod (18) extends into the battery case (2) through the positioning cylinder (4), and the temperature sensing patch (19) is attached to the battery inner core (5) inside the battery case (2) to detect the temperature.

3. The temperature sensor for detecting the new energy automobile battery as claimed in claim 2, wherein: the bottom swing joint of fixed section of thick bamboo (1121) has mounting disc (1123), the bottom fixedly connected with location card post (1124) of mounting disc (1123), fixed section of thick bamboo (1121) lower extreme passes through mounting disc (1123) and location card post (1124) activity block in activity groove (3), intercommunicating pore (1125) has been seted up on fixed section of thick bamboo (1121) both sides outer wall of activity groove (3) top, intercommunicating pore (1125) correspond flexible cover (1114) and bleeder valve mouth (1115) and set up, and fixedly connected with regulating part (1126) on the fixed section of thick bamboo (1121) bottom plate.

4. The temperature sensor for detecting the new energy automobile battery as claimed in claim 3, wherein: aerify well rotary drum (1112) and be hollow structure, its roof lower extreme one side fixedly connected with mounting bracket (11121), mounting bracket (11121) lower extreme suspension is in one side of one-way air inlet (1116) top, swing joint has deflection pole (11122) on the lateral wall of mounting bracket (11121), be connected through torsional spring (11123) between deflection pole (11122) and mounting bracket (11121) lateral wall, the sealed ball valve (11124) of the terminal bottom fixedly connected with of deflection pole (11122), sealed ball valve (11124) correspond one-way air inlet (1116) and set up.

5. The temperature sensor for new energy automobile battery detection as claimed in claim 4, characterized in that: swing joint has closing plate (11125) on rotating cylinder (1112) inner wall in aerifing of adjacent department in gas outlet (1113) top, closing plate (11125) suspend in gas outlet (1113) inlet end outside in, and closing plate (11125) are close to on gas outlet (1113) one side outer wall the gomphosis install magnetism and inhale piece (11126), magnetism is inhaled piece (11126) and is set up and is close to bottom department on closing plate (11125) lateral wall, pass through between closing plate (11125) lateral wall of one-way air inlet (1116) both sides and connect rope (11127) fixed linking to each other.

6. The temperature sensor for new energy automobile battery detection as claimed in claim 5, characterized in that: when the torsion spring (11123) keeps a normal relaxation state, the deflection rod (11122) is horizontally suspended above the one-way air inlet (1116), at the moment, the lower end of the sealing ball valve (11124) is sealed and sleeved in the port of the one-way air inlet (1116), the sealing plate (11125) is vertically attached to and seals the air outlets (1113) on two sides of the one-way air inlet (1116), and the connecting rope (11127) is tightened to be suspended above the deflection rod (11122).

7. The temperature sensor for detecting the new energy automobile battery as claimed in claim 6, wherein: the nitrogen storage cylinder (1118) comprises a connecting sleeve (11181) movably sleeved and mounted with a column cap (1111) and a movable penetrating connecting sleeve (11181) bottom plate, a movable cylinder (11182) is arranged at the joint of the movable cylinder (11182) and the connecting sleeve (11181) bottom plate, a first piston disc (11183) is fixedly connected to the top of the movable cylinder (11182), the first piston disc (11183) is movably clamped between the inner walls of the connecting sleeve (11181), spring rods (11184) are fixedly connected to two sides of the top of the first piston disc (11183), and the top ends of the spring rods (11184) are suspended in the connecting sleeve (11181).

8. The temperature sensor for new energy automobile battery detection as claimed in claim 7, characterized in that: the movable cylinder (11182) is of a hollow structure, an expansion cavity (111821) is arranged in the movable cylinder, a port of the expansion cavity (111821) extends to the top of a first piston disc (11183), an elastic component (111822) is uniformly and fixedly connected to the upper end of a bottom plate of the expansion cavity (111821), a second piston disc (111823) is fixedly connected to the top of the elastic component (111822), piston air holes (111824) are formed in the movable cylinder (11182) on the two sides of the expansion cavity (111821), a piston push rod (111825) is movably sleeved in the top port of the piston air holes (111824), the top end of the piston push rod (111825) penetrates and extends to the upper side of the first piston disc (11183), when the elastic component (111822) keeps a normal expansion state, a connecting port of the piston air holes (111824) and the expansion cavity (111821) is located below the second piston disc (111823), and at the moment, the second piston disc (111823) is suspended above the bottom plate of the expansion cavity (111821).

9. The temperature sensor for detecting the battery of the new energy automobile as claimed in claim 8, wherein: the adjusting piece (1126) is including fixed connection in heat conduction ring (11261) on fixed section of thick bamboo (1121) bottom plate and offer annular mounting groove (11262) at heat conduction ring (11261) top, the inside gomphosis of annular mounting groove (11262) is installed elasticity and is stored up air cushion (11263), the even fixedly connected with L type riser (11264) in heat conduction ring (11261) top outside annular mounting groove (11262), the relative heat conduction ring (11261) top fixedly connected with puncture pole (11265) of L type riser (11264) roof, puncture pole (11265) top activity runs through L type riser (11264) roof setting.

10. The method for detecting the temperature sensor for detecting the new energy automobile battery as claimed in claim 9, characterized by comprising the following implementation steps:

s1: connecting a gas charging device with a gas inlet valve nozzle (11110) to charge nitrogen into the nitrogen storage cylinder (1118), and then respectively inserting the nitrogen storage cylinder (1118) and the detection probe rod (18) into a fixed cylinder (1121) and a positioning cylinder (4) at the top of the battery shell (2);

s2: a mounting plate (110) connected with the top end of the nitrogen storage cylinder (1118) is pressed downwards, so that the detection probe rod (18) and the nitrogen storage cylinder (1118) move downwards, a temperature sensing patch (19) at the bottom of the detection probe rod (18) moves downwards to be attached to a battery inner core (5) in the battery shell (2), and a moving cylinder (11182) of the nitrogen storage cylinder (1118) moves downwards to be in contact with a bottom plate of a fixing cylinder (1121);

s3: the movable barrel (11182) moves downwards to contact the bottom plate of the fixed barrel (1121) and then continues to press the mounting plate (110) until the temperature sensing patch (19) is attached to the battery inner core (5), at the moment, the connecting sleeve (11181) moves downwards relative to the movable barrel (11182), and when the connecting sleeve (11181) moves downwards, the first piston disc (11183) at the top of the movable barrel (11182) pushes and pushes nitrogen gas filled in the connecting sleeve (11181) upwards;

s4: the nitrogen is pushed to enter the inflated rotary drum (1112) from the one-way air inlet (1116), and is led out from the air outlets (1113) at two sides of the inflated rotary drum (1112) to enter the elastic telescopic sleeve (1114), the elastic telescopic sleeve (1114) extends out from a guide hole (1119) on the side wall of the connecting sleeve (11181) after being inflated, the inflated elastic telescopic sleeve (1114) is buckled with the bottom surface of the annular bump (1122) at the port of the fixed cylinder (1121) to position and fix the detection probe rod (18) and the temperature sensing patch (19);

s5: the temperature sensing patch (19) is attached to the battery inner core (5) to detect the temperature of the battery inner core in real time, real-time temperature data of the battery inner core (5) are transmitted to a detection chip (14) inside a detection box (12), the detection chip (14) transmits the real-time temperature data to a processor (15), the processor (15) converts the real-time temperature data signals and then transmits the real-time temperature data signals to a monitoring host through a data wire (17), and the real-time detection of the battery inner core (5) is completed.

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