CN117250396B - Sensor assembly for monitoring wire harness of new energy automobile and use method - Google Patents
Sensor assembly for monitoring wire harness of new energy automobile and use method Download PDFInfo
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- CN117250396B CN117250396B CN202311286848.0A CN202311286848A CN117250396B CN 117250396 B CN117250396 B CN 117250396B CN 202311286848 A CN202311286848 A CN 202311286848A CN 117250396 B CN117250396 B CN 117250396B
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 67
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000007789 sealing Methods 0.000 claims description 19
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- 239000003063 flame retardant Substances 0.000 claims description 16
- 230000000694 effects Effects 0.000 claims description 9
- 230000000712 assembly Effects 0.000 claims description 6
- 238000000429 assembly Methods 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 5
- 239000004020 conductor Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000012546 transfer Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000011900 installation process Methods 0.000 claims 1
- 238000001514 detection method Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005674 electromagnetic induction Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
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- 238000013461 design Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
- G01R19/16566—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533
- G01R19/16571—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533 comparing AC or DC current with one threshold, e.g. load current, over-current, surge current or fault current
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/14—Supports; Fastening devices; Arrangements for mounting thermometers in particular locations
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K13/00—Thermometers specially adapted for specific purposes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
- G01R19/16504—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the components employed
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Fire-Detection Mechanisms (AREA)
Abstract
The invention discloses a sensor assembly for monitoring a new energy automobile wire harness, and relates to the technical field of automobile wire harness monitoring. The invention also discloses a using method of the sensor assembly for monitoring the wire harness of the new energy automobile, which comprises the following steps: and (3) installing a sensor assembly, monitoring a wire harness and giving an overload alarm. According to the invention, the movable assembly and the fixed assembly are arranged and can be spliced on the outer sides of the power wire harnesses, the movable assembly and the power assembly are internally provided with the wires, the wires can form coils on the outer sides of the power wire harnesses so as to realize detection of passing current in the power wire harnesses, and the temperature monitoring assembly is arranged on the inner sides of the movable assembly and the power assembly so as to realize monitoring of the temperature of the power wire harnesses, so that the power wire harnesses are prevented from being overheated and getting on fire, and the running safety of automobiles is improved.
Description
Technical Field
The invention relates to the technical field of new energy automobile wire harness monitoring, in particular to a sensor assembly for new energy automobile wire harness monitoring and a using method thereof.
Background
The automobile wire harness is a network main body of an automobile circuit, and because the new energy automobile mainly carries out energy through the power wire harness, the power wire harness can be overloaded, and the overload of the power wire harness can cause the occurrence of automobile faults, fires and the like, so that the monitoring of the power wire harness is particularly important.
The new energy automobile high-voltage wire harness system with the publication number of CN116279196A comprises a clamping part, a connecting part and a connecting part, wherein the clamping part is provided with a mounting plate, a mounting ring and a pressure bag; the mounting ring is formed on one side of the mounting plate, and an annular cavity is formed by the outer wall; the pressure bag is arranged in the annular cavity of the mounting ring; the pressure supply part is communicated with the pressure bag and is used for supplying pressure to the pressure bag so as to clamp the high-voltage wire harness; the monitoring portion is used for monitoring high voltage wire harness, includes: a monitoring loop, a processor, and a monitoring circuit; the monitoring ring is arranged in the outer wall of the mounting ring and surrounds the pressure bag; the monitoring circuit has at least one of a direct current monitoring circuit and an alternating current monitoring circuit, each monitoring circuit includes a switch, and at the same time only one monitoring circuit is in an operating state, and the monitoring circuit in the operating state is at least communicated with the processor. The pressure is provided through the pressure supply part, the pressure bag expands to extrude the high-voltage wire harness, so that the uniformity of clamping force around the high-voltage wire harness can be ensured, and the high-voltage wire harness is not easy to fail. The electric parameters of the high-voltage wire harness can be monitored when the high-voltage wire harness is fixed.
When the technical scheme is used for fixing and monitoring the power wire harness of the new energy automobile, the wire harness fixing requirements of different diameters are difficult to adapt; and when the monitored wire harness is overheated and catches fire under the extreme condition of the new energy automobile, no corresponding safety protection measures exist, and the use safety of the automobile wire harness is reduced.
Therefore, it is necessary to invent a sensor assembly for monitoring a wire harness of a new energy automobile and a method of using the same to solve the above-mentioned problems.
Disclosure of Invention
The invention aims to provide a sensor assembly for monitoring a wire harness of a new energy automobile and a use method thereof, so as to solve the problems in the background art.
In order to achieve the above purpose, the present invention provides the following technical solutions: a sensor assembly for new energy automobile harness monitoring, comprising:
the movable assembly comprises a movable seat, and the movable seat is arranged into an arc-shaped structure;
the fixed assembly comprises a fixed seat, and the fixed seat is arranged into an arc-shaped structure corresponding to the movable seat;
the elastic plates are respectively arranged on the inner sides of the movable seat and the fixed seat, and are of arc structures; the middle part of the elastic plate is provided with a square groove in a penetrating way;
the cavity is respectively arranged in the movable seat and the fixed seat, and compressed flame-retardant gas is filled in the cavity;
the temperature monitoring assembly is provided with two groups, each group of temperature monitoring assembly comprises a positioning plate, a temperature sensor is fixedly arranged in the middle of the positioning plate, a heat conducting plate is fixedly arranged at the input end of the temperature sensor, the heat conducting plate is of an arc-shaped structure, and the heat conducting plate is arranged in the middle of the lower surface of the positioning plate; the positioning plate and the heat conducting plate are made of thermal expansion materials;
the puncture part is arranged above the temperature sensor, and when the positioning plate and the heat conducting plate are heated and expanded, the puncture part can be driven to move and puncture the inner sides of the movable seat and the fixed seat so as to release compressed flame-retardant gas filled in the cavity;
a power wire harness penetrates through the temperature monitoring assembly;
and the adjusting parts are respectively arranged at the two ends of the movable seat and the fixed seat and are used for adjusting the distance between the movable seat and the fixed seat so as to adapt to power wire harnesses with different diameters.
Preferably, a plurality of conducting wires with arc structures are arranged in the cavity, and conducting seats are arranged at two ends of the movable seat and the fixed seat.
Preferably, the adjusting part comprises a sealing block which is sealed and slides in the cavity, and one side of the sealing block is connected with the conductive seat; the connecting wire is connected with the lead at one end and penetrates through the sealing block at the other end and is connected with the conductive seat; and the limiting block is used for limiting the position of the sealing block.
Preferably, the top end of the positioning plate is arranged in the square groove, the top end of the positioning plate is fixedly provided with a limiting plate with an arc-shaped structure, the limiting plate is arranged above the elastic plate, two ends of the limiting plate respectively extend to two sides of the elastic plate, two limiting rods are fixedly arranged on two sides of the positioning plate, and the two limiting rods are arranged below the elastic plate; the locating device is characterized in that extension plates are fixedly arranged at two ends of the locating plate, the extension plates are of wave structures, one end of the upper surface of each extension plate is fixedly provided with a clamping seat, the outer side of each clamping seat is of an inclined structure, two connecting lugs are fixedly arranged at one end of the upper surface of each extension plate, connecting arms are movably arranged on the outer sides of the two connecting lugs through pin shafts, connecting rods are arranged between the connecting arms, and the connecting rods correspond to the clamping seats.
Preferably, the positioning device further comprises a positioning assembly, the positioning assembly comprises a connecting seat, the connecting seat is fixedly arranged at the bottom end of the fixing seat, an inserting rod is arranged at the bottom end of the connecting seat in a fixed mode, and a plurality of stop rods are arranged at the bottom end of the inserting rod in a surrounding mode.
Preferably, the lower surface of the heat conducting plate is fixedly provided with a plurality of heat conducting rods, the cross section of each heat conducting rod is of a semicircular structure, and the heat conducting rods are made of heat conducting materials and can transfer heat to the temperature sensor.
Preferably, two guide plates are fixedly arranged on two sides of the positioning plate, the guide plates are of arc structures, guide blocks are fixedly arranged at one ends of the guide plates, and the sections of the guide blocks are of triangular structures.
Preferably, the one end of movable seat is fixed and is provided with the connecting block, the inboard of connecting block is provided with the fixed block through the round pin axle activity, and the fixed block is fixed to be set up in the one end of fixing base, the other end of fixing base is fixed to be provided with the fixture block, and the outside of fixture block sets up to the arc structure, the outside bottom mounting of fixture block is provided with short plectrum, the outside of fixture block is provided with the cardboard, and the cardboard is fixed to be set up in the one end of movable seat, the inboard bottom mounting of cardboard is provided with the draw-in groove, and the draw-in groove is corresponding with the fixture block, the outside bottom mounting of cardboard is provided with long plectrum.
Preferably, the two ends of the outer side wall of the movable seat are fixedly provided with wire holders, the two ends of the wire are respectively connected with the two wire holders, and an alarm is arranged between the two wire holders.
The invention also discloses a using method of the sensor assembly for monitoring the wire harness of the new energy automobile, which comprises the following steps:
step one, mounting a sensor assembly, namely mounting a device on the outer side of a power wire harness to be monitored, wherein in the mounting process of the device, a movable assembly and a fixed assembly can be respectively placed from two sides of the power wire harness, then splicing and assembling are carried out, and when the device is mounted, the temperature monitoring assembly is tightly attached to the power wire harness;
step two, wire harness monitoring, wherein current passes through the power wire harness in the using process of the automobile, wires inside the movable assembly and the fixed assembly are combined to form a coil, the current can be monitored in the power wire harness when the current passes through the coil, and meanwhile, the temperature monitoring assembly monitors the temperature of the power wire harness through a temperature sensor;
step three, overload alarming, wherein when the passing current in the power wire harness is overlarge or the temperature of the power wire harness is overhigh, the alarm sends out alarming information.
The invention has the technical effects and advantages that:
1. according to the invention, the movable assembly and the fixed assembly are arranged and can be spliced on the outer sides of the power wire harnesses, the movable assembly and the power assembly are internally provided with the wires, the wires can form coils on the outer sides of the power wire harnesses so as to realize detection of passing current in the power wire harnesses, and the temperature monitoring assembly is arranged on the inner sides of the movable assembly and the power assembly so as to realize monitoring of the temperature of the power wire harnesses, thereby ensuring stable operation of automobiles.
2. According to the invention, the movable assembly and the fixed assembly are connected through the pin shaft, meanwhile, the movable assembly further comprises the clamping plate and the clamping groove, the fixed assembly further comprises the clamping block, the clamping plate is matched with the clamping groove, and the clamping block can be fixed, so that the movable assembly and the fixed assembly can be connected, the long shifting plate is arranged at one end of the clamping plate, the short shifting plate is arranged at one end of the clamping block, and the long shifting plate and the short shifting plate can be respectively used for disassembling and assembling the movable assembly and the fixed assembly, so that the device is convenient to install and disassemble rapidly.
3. According to the invention, the temperature monitoring assembly comprises the positioning plate, the elastic plate with an arc-shaped structure is arranged on the outer side of the positioning plate, the positioning plate can be attached to the power wire harness under the action of the elastic plate, the power wire harnesses with different diameters are fixed, and the extension plates are arranged at the two ends of the positioning plate, so that the adaptation range of the positioning plate to the power wire harnesses can be improved by the arrangement of the extension plates, and the adaptation of the device to various power wire harnesses is improved.
4. According to the invention, the compressed flame-retardant gas is filled in the cavity, so that the adjusting part can adjust the distance between the movable seat and the fixed seat so as to adapt to power wire harnesses with different diameter specifications, and can be matched with the puncture part, when the power wire harness catches fire, the puncture part can puncture the inner sides of the movable seat and the fixed seat, so that the flame-retardant gas is sprayed onto the power wire harness below, the effects of cooling and flame retardance are achieved, the safety of the power wire harness during operation is greatly improved, and the safety guarantee is provided for a new energy automobile under extreme working conditions.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present invention.
Fig. 2 is a schematic side view of the overall structure of the present invention.
Fig. 3 is a schematic view of the movable assembly and the fixed assembly of the present invention.
Fig. 4 is a schematic cross-sectional view of the movable and fixed assemblies of the present invention.
Fig. 5 is a schematic view of a movable assembly structure according to the present invention.
Fig. 6 is a schematic structural diagram of a temperature monitoring assembly according to the present invention.
Fig. 7 is a schematic view of a heat conducting plate structure according to the present invention.
Fig. 8 is an enlarged schematic view of the structure of fig. 7 a according to the present invention.
FIG. 9 is a schematic side view of a temperature monitoring assembly according to the present invention.
Fig. 10 is a schematic side view of the movable and fixed components of the present invention.
Fig. 11 is an enlarged schematic view of the structure at B in fig. 10 according to the present invention.
Fig. 12 is a schematic view showing the overall structure of the present invention in an expanded state.
In the figure: 1. a movable assembly; 2. a fixing assembly; 3. a temperature monitoring assembly; 4. a positioning assembly; 5. a power harness; 6. an adjusting section; 101. a movable seat; 102. a cavity; 103. an elastic plate; 104. a square groove; 105. a wire; 106. a conductive base; 107. a connecting block; 108. a clamping plate; 109. a clamping groove; 110. a long pulling plate; 111. a wire holder; 112. an alarm; 201. a fixing seat; 202. a fixed block; 203. a clamping block; 204. a short pulling plate; 301. a positioning plate; 302. a limiting plate; 303. a limit rod; 304. an extension plate; 305. a clamping seat; 306. a connecting lug; 307. a connecting arm; 308. a connecting rod; 309. a temperature sensor; 310. a heat conductive plate; 311. a heat conduction rod; 312. a puncture part; 313. a guide plate; 314. a guide block; 401. a connecting seat; 402. a rod; 403. a stop lever; 601. a sealing block; 602. a connecting wire; 603. and a limiting block.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
The invention provides a sensor assembly for monitoring a new energy automobile wire harness, which is shown in fig. 1 to 12, and comprises a movable assembly 1, a fixed assembly 2, a temperature monitoring assembly 3 and a positioning assembly 4, wherein a power wire harness 5 penetrates through the temperature monitoring assembly 3; the movable assembly 1 is arranged above the fixed assembly 2, the temperature monitoring assemblies 3 are arranged in two groups, the two groups of temperature monitoring assemblies 3 are arranged between the movable assembly 1 and the fixed assembly 2, the positioning assembly 4 is arranged at the bottom end of the fixed assembly 2, and the power wire harness 5 is arranged between the two temperature monitoring assemblies 3.
Specifically, the movable assembly 1 includes a movable seat 101, and the movable seat 101 is configured in an arc structure.
Specifically, the fixed assembly 2 includes a fixed seat 201, the fixed seat 201 is configured to have an arc structure corresponding to the movable seat 101, and the fixed seat 201 is disposed below the movable seat 101.
Specifically, the elastic plate 103 is disposed on the inner sides of the movable seat 101 and the fixed seat 201, respectively, and the elastic plate 103 is configured as an arc structure, and a square groove 104 is disposed in the middle of the elastic plate 103.
Specifically, the electric wire heating device further comprises a cavity 102, wherein the cavity 102 is respectively arranged in the movable seat 101 and the fixed seat 201, a plurality of conducting wires 105 with arc structures are arranged in the cavity 102, conducting seats 106 are respectively arranged at two ends of the movable seat 101 and the fixed seat 201, two ends of each conducting wire 105 are respectively connected with the conducting seats 106, each conducting seat 106 is composed of a plurality of conducting copper seats, the plurality of conducting copper seats are respectively connected with the plurality of conducting wires 105, and when the two groups of conducting seats 106 are in fit contact, the plurality of conducting wires 105 form a coil, so that the monitoring of the current in the power wire harness 5 can be realized through the electromagnetic induction principle, and the effect of a current transformer is equivalent.
More specifically, the one end of movable seat 101 is fixed and is provided with connecting block 107, the inboard of connecting block 107 is provided with fixed block 202 through the round pin axle activity, and fixed block 202 is fixed to be set up in the one end of fixing base 201, the other end of fixing base 201 is fixed and is provided with fixture block 203, and the outside of fixture block 203 sets up to the arc structure, the outside bottom mounting of fixture block 203 is provided with short shifting plate 204, the outside of fixture block 203 is provided with cardboard 108, and cardboard 108 is fixed to be set up in the one end of movable seat 101, the inboard bottom mounting of cardboard 108 is provided with draw-in groove 109, and draw-in groove 109 corresponds with fixture block 203, the outside bottom mounting of cardboard 108 is provided with long shifting plate 110, long shifting plate 110 and short shifting plate 204 can be used for the dismouting of movable assembly 1 and fixed assembly 2 respectively, thereby the quick installation and the dismantlement of device have been made things convenient for.
And, both ends of the outer side wall of the movable seat 101 are fixedly provided with wire holders 111, both ends of the wire 105 are respectively connected with the two wire holders 111, an alarm 112 is arranged between the two wire holders 111, the wire holders 111 enable the wire 105 to be connected into more circuits so as to facilitate the expansion of the device, and the alarm 112 can alarm according to the current in the wire 105 or the monitoring data of the temperature sensor 309.
The temperature monitoring components 3 are provided with two groups, each group of temperature monitoring components 3 comprises a positioning plate 301, the positioning plates 301 are arranged between the movable seat 101 and the fixed seat 201, and the positioning plates 301 are arranged into an arc-shaped structure corresponding to the power wire harness 5.
Specifically, the top of locating plate 301 sets up in the inside of square groove 104, the fixed limiting plate 302 that is provided with the arc structure in top of locating plate 301, limiting plate 302 sets up in the top of elastic plate 103, and the both ends of limiting plate 302 extend to the both sides of elastic plate 103 respectively, the both sides of locating plate 301 are all fixed and are provided with two gag lever posts 303, and two gag lever posts 303 all set up in the below of elastic plate 103, gag lever post 303 cooperates with limiting plate 302 for the position between locating plate 301 and the elastic plate 103 is fixed, thereby makes elastic plate 103 can produce effort to locating plate 301, in order to guarantee locating plate 301 and power pencil 5 closely laminating.
More specifically, extension plates 304 are fixedly arranged at two ends of the positioning plate 301, the extension plates 304 are flexible, the extension plates 304 are of wave structures, clamping seats 305 are fixedly arranged at one end of the upper surface of one extension plate 304, the outer sides of the clamping seats 305 are of inclined structures, two connecting lugs 306 are fixedly arranged at one end of the upper surface of the other extension plate 304, connecting arms 307 are movably arranged at the outer sides of the two connecting lugs 306 through pin shafts, connecting rods 308 are arranged between the two connecting arms 307, the connecting rods 308 correspond to the clamping seats 305, and the connecting rods 308 can be clamped on the inner sides of the clamping seats 305, so that the two extension plates 304 are mutually pulled close, and the two positioning plates 301 can clamp a power wire harness 5. The cooperation of the elastic plate 103 with the extension plate 304, the clamping seat 305 and the connecting arm 307 can adapt to the power wire harness 5 with more diameter specifications.
And, the fixed temperature sensor 309 that is provided with in middle part of locating plate 301, the fixed heat-conducting plate 310 that is provided with of input of temperature sensor 309, heat-conducting plate 310 set up to the arc structure, and heat-conducting plate 310 sets up in the lower surface middle part of locating plate 301, and heat-conducting plate 310 can laminate with power pencil 5 to guarantee that temperature sensor 309 can be accurate monitor the temperature of power pencil 5.
Moreover, the lower surface of the heat conducting plate 310 is fixedly provided with a plurality of heat conducting rods 311, the cross section of each heat conducting rod 311 is of a semicircular structure, and each heat conducting rod 311 is made of a heat conducting material and can transfer heat to the corresponding temperature sensor 309 so as to ensure that the temperature sensor 309 can accurately monitor the temperature of the wire harness in real time.
Simultaneously, two guide plates 313 are fixedly arranged on two sides of the positioning plate 301, the guide plates 313 are arranged to be arc structures, guide blocks 314 are fixedly arranged at one ends of the guide plates 313, the sections of the guide blocks 314 are arranged to be triangular structures, one ends of the guide blocks 314 can clamp the surface of the power wire harness 5 through the design of the triangular structures, the guide plates 313 and the power wire harness 5 can be tightly attached, the power wire harness 5 can vertically enter between the fixed seat 201 and the movable seat 101 through the arrangement of the guide plates 313, and accordingly accuracy of current monitoring is guaranteed.
The locating component 4 comprises a connecting seat 401, the connecting seat 401 is fixedly arranged at the bottom end of the fixing seat 201, an inserting rod 402 is arranged at the bottom end of the connecting seat 401 in a fixed mode, a plurality of stop rods 403 are arranged at the bottom end of the inserting rod 402 in a surrounding mode, the inserting rod 402 can be inserted into a mounting hole reserved in the automobile, the stop rods 403 can be abutted against the inner wall of the mounting hole, and therefore the connecting seat 401 can be mounted and fixed, and the device can be mounted and fixed.
The invention also provides a using method of the sensor assembly for monitoring the wire harness of the new energy automobile, which comprises the following steps:
step one, sensor assembly installs, installs the device in the power pencil 5 outside of waiting to monitor, and the device is at the installation, and movable subassembly 1 and fixed subassembly 2 can be placed from the both sides of power pencil 5 respectively, then splice the equipment, and the device is when the installation, makes temperature monitoring subassembly 3 closely laminate with power pencil 5.
Specifically, when the installation device, the movable seat 101 and the fixed seat 201 can be respectively placed at two sides of the power wire harness 5, when the power wire harness 5 is located between the movable seat 101 and the fixed seat 201, the movable seat 101 is pulled to enable the movable seat 101 to be combined with the fixed seat 201, and the clamping block 203 to be inserted into the clamping plate 108, the short pulling plate 204 is pulled to enable the short pulling plate 204 to drive the clamping block 203 to move, the clamping block 203 extrudes the clamping groove 109 to enable the clamping groove 109 to drive the clamping plate 108 to move, the clamping plate 108 deforms outwards, after the clamping block 203 moves to the inner side of the clamping groove 109, the clamping plate 108 is recovered, the clamping groove 109 limits the clamping block 203 to the inner side of the clamping plate 108, and at the moment, the position between the movable seat 101 and the fixed seat 201 is fixed.
The movable seat 101 and the fixed seat 201 drive the positioning plates 301 to move through the elastic plates 103 in the moving process, so that the two positioning plates 301 are close to the power wire harness 5 from two sides, when the movable seat 101 and the fixed seat 201 are spliced, the two positioning plates 301 are respectively attached to two sides of the power wire harness 5, the positioning plates 301 are pressed towards the surface of the power wire harness 5 under the action of the elastic plates 103, the connecting arms 307 are pulled at the moment, the connecting arms 307 rotate around the pin shafts until the connecting rods 309 at one ends of the connecting arms 307 move to the inner sides of the clamping seats 305, the connecting rods 309 tighten the two extending plates 304, and the extending plates 304 can drive two ends of the positioning plates 301 to move, so that the two positioning plates 301 clamp the power wire harness 5, and the heat conducting plates 310 at the inner sides of the positioning plates 301 are tightly attached to the power wire harness 5.
Step two, wire harness monitoring, wherein current passes through the power wire harness 5 in the using process of the automobile, at the moment, the movable assembly 1 and the wires 105 inside the fixed assembly 2 are combined to form a coil, the current can be monitored in the power wire harness 5 when the current passes through the coil, and meanwhile, the temperature monitoring assembly 3 monitors the temperature of the power wire harness 5 through the temperature sensor 309.
Step three, overload alarming, when the passing current in the power wire harness 5 is overlarge or the temperature of the power wire harness 5 is overhigh, the alarm 112 sends out alarm information, and the alarm 112 is connected to an automobile control circuit so as to cut off the current transmission of the power wire harness 5.
Specifically, the alarm 112 is connected to a coil formed by the wires 105, when the interior of the power harness 5 passes through a current, the coil generates a small current under the action of electromagnetic induction, and when the current generated in the coil exceeds a preset value, the alarm 112 gives an alarm and cuts off the current of the power harness 5 through a control circuit of the automobile.
Example two
Since new energy automobiles often have power harnesses 5 with various diameter specifications, the above embodiment can adapt to power harnesses 5 with more diameter specifications through the cooperation of the elastic plate 103 with the extension plate 304, the clamping seat 305, and the connecting arm 307. On this basis, the structures of the movable seat 101 and the fixed seat 201 need to be improved, so that the effect of clamping the power wire bundles 5 with different diameter specifications is further improved by measuring the current of the power wire bundles 5 with different diameter specifications and matching the elastic plate 103, the extension plate 304, the clamping seat 305 and the connecting arm 307.
As shown in fig. 10-11, the device further comprises an adjusting part 6 respectively arranged at two ends of the movable seat 101 and the fixed seat 201 for adjusting the distance between the movable seat 101 and the fixed seat 201 to adapt to the power wire harnesses 5 with different diameters. In addition, the cavity 102 of the movable seat 101 and the fixed seat 201 is filled with compressed flame retardant gas.
Specifically, the adjusting portion 6 includes a seal block 601 that is sealingly slid in the cavity 102, and when the seal block 601 is subjected to an increase or decrease in the pressing force, the flame retardant gas can be pressed or pressed by the flame retardant gas and slid in the cavity 102. One side of the sealing block 601 is connected with the conductive seat 106; and the power wire harness further comprises a connecting wire 602, one end of the connecting wire 602 is connected with the wire 105, and the other end of the connecting wire 602 penetrates through the sealing block 601 and is connected with the conductive seat 106, so that the communication between the movable seat 101 and the wire 105 in the fixed seat 201 is ensured, and the current of the power wire harness 5 is monitored. The sealing block 601 is prevented from sliding out of the cavity 102 by limiting the sealing block 601 by limiting the position of the sealing block 601 through limiting blocks 603, wherein the limiting blocks 602 are respectively arranged at the ends of the movable seat 101 and the fixed seat 201.
More specifically, when the distance between the movable seat 101 and the fixed seat 201 is adjusted by the adjusting part 6 to adapt to the power wire bundles 5 with different diameters, and when the diameters of the power wire bundles 5 are smaller, the elastic plate 103, the extension plate 304, the clamping seat 305 and the connecting arm 307 clamp the power wire bundles 5, and when the movable seat 101 and the fixed seat 201 fix the power wire bundles, the conductive seats 106 on the movable seat 101 and the fixed seat 201 are mutually contacted and pressed, and the flame-retardant gas in the cavity 102 is pressed by the sealing block 601, the sealing block 601 can slide into the cavity 102, so that the distance between the movable seat 101 and the fixed seat 201 is reduced and is mutually close to adapt to the power wire bundles 5 with smaller diameters; on the contrary, when the diameter of the power wire harness 5 is larger, on the basis that the elastic plate 103, the extension plate 304, the clamping seat 305 and the connecting arm 307 clamp the power wire harness 5, when the movable seat 101 and the fixed seat 201 fix the power wire harness, the flame-retardant gas compressed in the cavity 102 pushes the sealing block 601, so that the sealing block 601 drives the conductive seat 106 to be in extrusion contact, and the power wire harness 5 with larger diameter is adapted.
Under the reverse acting force of the compressed gas to the sealing block 601 and the conductive seat 106, the conductive seat 106 on the movable seat 101 and the fixed seat 201 can be in extrusion contact, so that the contact tightness is improved, the vibration of the vehicle during operation is prevented from affecting the vehicle, and the working stability of the sensor assembly is improved.
Example III
Under the extreme working condition, the new energy automobile has the risk of causing the power wire harness 5 to overheat and catch fire, and the related parts are further improved on the basis of the embodiment, so that the risk is solved to the greatest extent, and the safety of the new energy automobile under the extreme working condition is improved.
As shown in fig. 6, the positioning plate 301 and the heat conductive plate 310 are both made of a heat-expandable material.
Also included is a penetration portion 312 disposed above the temperature sensor 309.
When the new energy automobile is in an extreme working condition, the power wire harness 5 heats, even when the new energy automobile catches fire, the power wire harness 5 transmits heat to the positioning plate 301 and the heat conducting plate 310, and when the positioning plate 301 and the heat conducting plate 310 are heated and expanded, the puncture part 312 can be driven to move and puncture the inner sides of the movable seat 101 and the fixed seat 201 so as to release compressed flame-retardant gas filled in the cavity 102, and the flame-retardant gas is sprayed onto the power wire harness 5 below, so that the effects of cooling and flame retardance are achieved.
Specifically, the puncture part 312 is connected above the sensor 309 through threads, so that the distance between the puncture part 312 and the inner sides of the movable seat 101 and the fixed seat 201 can be adjusted according to the expansion coefficients of the positioning plate 301 and the heat conducting plate 310, the heat generated by the combustion of the power wire harness 5, and the like, so as to ensure that the puncture part 312 can timely complete puncture and release flame-retardant gas, and timely respond to safety protection measures.
In summary, through filling the compressed flame-retardant gas in the cavity 102, the adjusting part 6 can not only adjust the distance between the movable seat 101 and the fixed seat 201 to adapt to the power wire harnesses 5 with different diameter specifications, but also cooperate with the puncturing part 312, when the power wire harnesses 5 are on fire, the puncturing part 312 can puncture the inner sides of the movable seat 101 and the fixed seat 201, so that the flame-retardant gas is sprayed onto the power wire harnesses 5 below, the effects of cooling and flame retardance are achieved, the safety of the power wire harnesses 5 during operation is greatly improved, and safety guarantee is provided for new energy automobiles under extreme working conditions.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present invention, and although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present invention.
Claims (7)
1. A sensor module for monitoring of new energy automobile pencil, its characterized in that includes:
the movable assembly (1) comprises a movable seat (101), and the movable seat (101) is of an arc-shaped structure;
the fixed assembly (2) comprises a fixed seat (201), wherein the fixed seat (201) is provided with an arc-shaped structure corresponding to the movable seat (101);
the elastic plates (103) are respectively arranged on the inner sides of the movable seat (101) and the fixed seat (201), and the elastic plates (103) are of arc structures; a square groove (104) is formed in the middle of the elastic plate (103) in a penetrating manner;
the cavity (102) is respectively arranged in the movable seat (101) and the fixed seat (201), and compressed flame-retardant gas is filled in the cavity (102);
the temperature monitoring assemblies (3) are provided with two groups, each group of temperature monitoring assemblies (3) comprises a positioning plate (301), a temperature sensor (309) is fixedly arranged in the middle of the positioning plate (301), a heat conducting plate (310) is fixedly arranged at the input end of the temperature sensor (309), the heat conducting plate (310) is of an arc-shaped structure, and the heat conducting plate (310) is arranged in the middle of the lower surface of the positioning plate (301); the positioning plate (301) and the heat conducting plate (310) are made of thermal expansion materials;
the puncture part (312) is arranged above the temperature sensor (309), and when the positioning plate (301) and the heat conducting plate (310) are heated and expanded, the puncture part (312) can be driven to move and puncture the inner sides of the movable seat (101) and the fixed seat (201) so as to release the compressed flame-retardant gas filled in the cavity (102);
a power wire harness (5) penetrates through the temperature monitoring assembly (3);
the adjusting part (6) is respectively arranged at two ends of the movable seat (101) and the fixed seat (201) and is used for adjusting the distance between the movable seat (101) and the fixed seat (201) so as to adapt to power wire harnesses (5) with different diameters;
a plurality of conducting wires (105) with arc structures are arranged in the cavity (102), and conducting seats (106) are arranged at two ends of the movable seat (101) and the fixed seat (201);
the adjusting part (6) comprises a sealing block (601) which is hermetically slid in the cavity (102), and one side of the sealing block (601) is connected with the conductive seat (106); the device further comprises a connecting wire (602), wherein one end of the connecting wire (602) is connected with the lead (105), and the other end of the connecting wire penetrates through the sealing block (601) and is connected with the conductive seat (106); the device also comprises a limiting block (603) for limiting the position of the sealing block (601);
the top end of the positioning plate (301) is arranged in the square groove (104), a limiting plate (302) with an arc-shaped structure is fixedly arranged at the top end of the positioning plate (301), the limiting plate (302) is arranged above the elastic plate (103), two ends of the limiting plate (302) respectively extend to two sides of the elastic plate (103), two limiting rods (303) are fixedly arranged on two sides of the positioning plate (301), and the two limiting rods (303) are arranged below the elastic plate (103); the locating device is characterized in that extension plates (304) are fixedly arranged at two ends of the locating plate (301), the extension plates (304) are of wave structures, a clamping seat (305) is fixedly arranged at one end of the upper surface of each extension plate (304), the outer side of each clamping seat (305) is of an inclined structure, two connecting lugs (306) are fixedly arranged at one end of the upper surface of each extension plate (304), connecting arms (307) are movably arranged at the outer sides of the two connecting lugs (306) through pin shafts, connecting rods (308) are arranged between the connecting arms (307), and the connecting rods (308) correspond to the clamping seats (305).
2. The sensor assembly for new energy automobile wiring harness monitoring of claim 1, wherein: still include locating component (4), it includes connecting seat (401), the fixed bottom that sets up in fixing base (201) of connecting seat (401), the bottom mounting of connecting seat (401) is provided with inserted bar (402), the bottom of inserted bar (402) is encircleed and is provided with a plurality of pin (403).
3. The sensor assembly for new energy automobile wiring harness monitoring of claim 1, wherein: the lower surface of the heat conducting plate (310) is fixedly provided with a plurality of heat conducting rods (311), the cross section of each heat conducting rod (311) is of a semicircular structure, and the heat conducting rods (311) are made of heat conducting materials and can transfer heat to the temperature sensor (309).
4. The sensor assembly for new energy automobile wiring harness monitoring of claim 1, wherein: two guide plates (313) are fixedly arranged on two sides of the positioning plate (301), the guide plates (313) are of arc structures, guide blocks (314) are fixedly arranged at one ends of the guide plates (313), and the sections of the guide blocks (314) are of triangular structures.
5. The sensor assembly for new energy automobile wiring harness monitoring of claim 1, wherein: the utility model discloses a movable seat, including movable seat (101), fixed block (202) is provided with through the round pin axle activity to the one end of movable seat (101), and fixed block (202) is fixed to be set up in the one end of fixing base (201), the other end of fixing base (201) is fixed to be provided with fixture block (203), and the outside of fixture block (203) sets up to the arc structure, the outside bottom mounting of fixture block (203) is provided with short plectrum (204), the outside of fixture block (203) is provided with cardboard (108), and cardboard (108) are fixed to be set up in the one end of movable seat (101), the inboard bottom mounting of cardboard (108) is provided with draw-in groove (109), and draw-in groove (109) are corresponding with fixture block (203), the outside bottom mounting of cardboard (108) is provided with long plectrum (110).
6. The sensor assembly for new energy automobile wiring harness monitoring as in claim 5, wherein: wire holders (111) are fixedly arranged at two ends of the outer side wall of the movable seat (101), two ends of the wire (105) are respectively connected with the two wire holders (111), and an alarm (112) is arranged between the two wire holders (111).
7. A method of using a sensor assembly for new energy automobile wiring harness monitoring, the method of using the sensor assembly of claim 6 to monitor new energy automobile wiring harnesses, comprising the steps of:
step one, a sensor assembly is installed, a device is installed on the outer side of a power wire harness (5) to be monitored, in the installation process of the device, a movable assembly (1) and a fixed assembly (2) can be placed from two sides of the power wire harness (5) respectively, then splicing and assembling are carried out, and when the device is installed, a temperature monitoring assembly (3) is tightly attached to the power wire harness (5);
step two, wire harness monitoring, wherein in the using process of the automobile, current passes through the power wire harness (5), the movable assembly (1) and the wires (105) in the fixed assembly (2) are combined to form a coil, the current can be monitored in the power wire harness (5) when the current passes through the coil, and meanwhile, the temperature monitoring assembly (3) monitors the temperature of the power wire harness (5) through the temperature sensor (309);
and step three, overload alarming, wherein when the passing current in the power wire harness (5) is overlarge or the temperature of the power wire harness (5) is overlarge, the alarm (112) sends out alarming information.
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