CN107884615A - A kind of new-energy automobile drive system integrated synthesis tester - Google Patents

A kind of new-energy automobile drive system integrated synthesis tester Download PDF

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Publication number
CN107884615A
CN107884615A CN201711324124.5A CN201711324124A CN107884615A CN 107884615 A CN107884615 A CN 107884615A CN 201711324124 A CN201711324124 A CN 201711324124A CN 107884615 A CN107884615 A CN 107884615A
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China
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circuit
shell
support
terminals
current
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Application number
CN201711324124.5A
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Chinese (zh)
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CN107884615B (en
Inventor
徐伟专
陆建龙
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Yinhe Electric Co ltd
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Zhejiang Teamtop Electric Co Ltd
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Priority to CN201711324124.5A priority Critical patent/CN107884615B/en
Publication of CN107884615A publication Critical patent/CN107884615A/en
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Publication of CN107884615B publication Critical patent/CN107884615B/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/0092Arrangements for measuring currents or voltages or for indicating presence or sign thereof measuring current only
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R21/00Arrangements for measuring electric power or power factor

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Current-Collector Devices For Electrically Propelled Vehicles (AREA)
  • Testing Electric Properties And Detecting Electric Faults (AREA)

Abstract

The invention discloses a kind of new-energy automobile drive system integrated synthesis tester,By current collection circuit,Power-switching circuit and power analysis circuitry and display circuit are arranged in shell,It is so more convenient to carry,Small volume simultaneously,Be integrated into after all circuits are attached in shell would not occur detect environment it is numerous and diverse,Equipment phenomenon at random,Wire is not needed to connect in addition simultaneously,So it would not also be disturbed because circuit is long by electric signal,Simultaneously also without the various equipment for building environment of carrying,Only need to carry an equipment,The transformer of openingization design can be without passing through after circuit is pulled down from from the centre of iron core,Non-removeable circuit can also be detected,Detection can be made more convenient,Reduce the time for building detection environment and pull down after circuit in the time that connection goes back,Substantially increase operating efficiency.

Description

A kind of new-energy automobile drive system integrated synthesis tester
Technical field
The present invention relates to field of test instrument, more particularly to a kind of new-energy automobile drive system integration is comprehensive Close tester.
Background technology
Power analyzer itself current measurement range is very limited, generally 30A, and drive system of electric automobile is tested Current DC electric current, alternating current scope are all far longer than 30A, so power analyzer can not be completed to measure Direct Current.
The method of solution power analyzer measurement drive system of electric automobile electric current is at present:Power analyzer external impressed current Sensor and supporting special current sensor power supply box.
Foreign current sensor and current sensor power supply box, which are first converted to tested high current, meets power analyzer electricity The secondary low current of flow journey, power analyzer measure to secondary low current again.
DC current all the way and three road alternating currents in drive system of electric automobile, it is common by existing metering system Need 4 foreign current sensors and 1 current sensor power supply box.
So existing metering system integrated level is low, and equipment is at random, and field connection is complicated, introduces interference, and it is accurate to influence measurement True property, it is dumb, it has not been convenient to which that on-the-spot test, debugging process is numerous and diverse to lose time.
The content of the invention
In view of the deficienciess of the prior art, it is an object of the invention to provide a kind of highly integrated and field adjustable is fast Prompt new-energy automobile drive system integrated synthesis tester is to solve the problems, such as that above-mentioned background technology is mentioned.
To achieve the above object, the invention provides following technical scheme:A kind of new-energy automobile drive system integration Comprehensive tester, including shell and internal circuit, the internal circuit are arranged in shell, and the internal circuit includes electric current Acquisition Circuit, power-switching circuit and power analysis circuitry and display circuit, the current collection circuit also with external circuit Coupling, to gather the electric current of external circuit and output current data signal, the current collection circuit is coupled to Power convert electricity Road, to obtain power supply and current data signal is transferred into power-switching circuit, the power analysis circuitry is coupled to power supply and turned Circuit is changed, after the power-switching circuit receives current data signal, the circuit data signal is carried out to reduce conversion and defeated Go out switching current signal, the power analysis circuitry receives the switching current signal, and power output data, the display circuit Power analysis circuitry is coupled to, receiving power data simultaneously show that the current collection circuit includes current transformer, the electric current Transformer includes transformer casing, the slotted iron core being arranged inside transformer casing and a slip and takes in mutual inductance The contact block of device enclosure, the shifting block stirred for human hand, the transformer casing are fixedly connected with the one side of the contact block On offer shifting block chute, the shifting block stretches out and can slid in shifting block chute after passing through shifting block chute, when electric wire is through mutually When being put into after the fluting of sensor shell and iron core among iron core, shifting block is stirred contact block release is mutual with the both ends of the fluting of iron core Contradict, form the iron core of closing, and then generate electric current and output current data signal.
As a further improvement on the present invention, the enclosure is additionally provided with motor and rotatable base, the electricity Machine and base linkage, when the motor rotates, shell is stretched out in the motor driven base rotation, with support housing.
As a further improvement on the present invention, the base includes support and is arranged on the bearing piece at support both ends, the electricity Fixture block and baffle plate are fixedly connected with the axle of machine, the through hole of circle is offered on the support, is opened up on the side of the through hole There is square neck, the square neck and through hole are interconnected, and when the axle of the motor passes through through hole, the fixture block is embedded into In square neck, when motor rotates, the fixture block blocks support and drives its rotation, also fixed between the baffle plate and support Spring is connected with, when support, which rotates, stretches out shell, spring is in reset condition.
As a further improvement on the present invention, the enclosure is also fixedly connected with bracket track, the bracket track For arcuate structure, the upper side of the arcuate structure is provided with upper groove and low groove, and the upper groove and low groove have side Face is inclined-plane, and its inclined-plane is interconnected to form triangle projection, and when support is embedded in upper groove, the support income is outer Shell, when support is embedded in low groove, shell is stretched out in the support rotation.
As a further improvement on the present invention, the internal circuit also includes angle induction mechanism and main control chip, described Angle induction mechanism is coupled to main control chip, and the motor is also coupled in main control chip, when the angle induction mechanism detects Shell is to when setting the side of base on the lower, and the angle induction mechanism sends enabling signal, and the main control chip receives this and opened Dynamic signal, and control the motor to rotate.
As a further improvement on the present invention, the angle induction mechanism includes liquid storage shell, conduction liquid and the first wiring End and the second terminals, the conduction liquid are stored in liquid storage shell, and first terminals fit in the shell of liquid storage shell Bottom, and being bonded with an adjacent side wall, and being dipped in conduction liquid, second terminals fit in shell top, and with The side wall fitting of one terminals fitting, when the sidewall direction that the liquid storage shell is bonded to the first terminals on the lower when, it is described Conduction liquid liquid level tilts and contacts the second terminals, and then the first terminals and the second terminals is communicated, the liquid storage shell On be bonded the side walls of the first terminals and be fitted in shell relative on the one side of base.
Beneficial effects of the present invention, by current collection circuit, power-switching circuit and power analysis circuitry and display electricity Road is arranged in shell, so carries out building detection environment at the scene compared to the existing various loose mails of carrying, the present invention is more square Portable belt, while small volume, and detection environment is built at scene can cause that circuit is numerous and diverse, and equipment is at random, while circuit can be very long, So circuit is easy for being disturbed by the external world, such as the electric signal interference of electromagnetic wave etc, after all circuits are attached Be integrated into shell would not occur detect environment it is numerous and diverse, equipment phenomenon at random, at the same do not need wire connect in addition, so Also would not be disturbed because circuit is long by electric signal, while also without the various equipment for building environment of carrying, it is only necessary to An equipment is carried, and is powered and overall detection environmental functional can be achieved, and the transformer of opening design can With without being passed through after circuit is pulled down from from the centre of iron core, and non-removeable circuit can also be detected, can made Detect more convenient, save a large amount of manual times, reduce the time for building detection environment and pull down after circuit by line The time that road connection is gone back, substantially increase operating efficiency.
Brief description of the drawings
Fig. 1 is structural representation when base stretches out;
Fig. 2 is structural representation when base is taken in;
Fig. 3 is that internal circuit connects block diagram;
Fig. 4 is that angle induction mechanism circuit connects block diagram;
Fig. 5 is schematic diagram when angle induction mechanism turns on;
Schematic diagram when Fig. 6 is angle induction mechanism open circuit.
Embodiment
The present invention is described in further detail below in conjunction with the embodiment given by accompanying drawing.
Referring to figs. 1 to shown in 6, a kind of new-energy automobile drive system integrated synthesis tester of the present embodiment, including Shell 1 and internal circuit 2, the internal circuit 2 are arranged in shell 1, and the internal circuit 2 includes current collection circuit 31st, power-switching circuit 32 and power analysis circuitry 33 and display circuit 34, the current collection circuit 31 is gone back and external electrical Road couples, and to gather the electric current of external circuit and output current data signal, the current collection circuit 31 is coupled to power supply and turned Circuit 32 is changed, to obtain power supply and current data signal is transferred into power-switching circuit 32, the coupling of power analysis circuitry 33 Power-switching circuit 32 is connected to, after the power-switching circuit 32 receives current data signal, the circuit data signal is entered Row, which reduces, changes and exports switching current signal, and the power analysis circuitry 33 receives the switching current signal, and power output Data, the display circuit 34 are coupled to power analysis circuitry 33, and receiving power data are simultaneously shown, the current collection circuit 31 Including current transformer 311, the current transformer 311 includes transformer casing 312, is arranged in transformer casing 312 The slotted iron core 313 in portion and a slip take in the contact block 314 inside transformer casing 312, and the one of the contact block 314 The shifting block 315 stirred for human hand is fixedly connected with side, shifting block chute 316 is offered on the transformer casing 312, it is described Shifting block 315 stretches out and can slid in shifting block chute 316 after passing through shifting block chute 316, when electric wire passes through the He of transformer casing 312 Put into after the fluting of iron core 313 iron core 313 it is middle when, stir shifting block 315 contact block 314 is released with the fluting of iron core 313 two End mutually contradicts, and forms the iron core 313 of closing, and then generates electric current and output current data signal.
Pass through above-mentioned technical proposal, user need only to need the circuit by external belt detection to be linked into current acquisition during detection Circuit 31, then current collection circuit 31 start to gather electric current, collect and current data signal be converted into after electric current and then is sent out Power-switching circuit 32 is given, power analysis electricity will be sent to by power-switching circuit after current data signal bi-directional scaling Road 33, computing is then carried out by power analysis circuitry 33, finally draws the power data in circuit, then display circuit 34 connects Shown after receiving the power data, such user's can intuitively sees the power of circuit to be detected, uses here Current collection circuit 31 is the existing sample circuit with current transformer 311 for current sensor, and power-switching circuit 32 is Induced current for providing circuit power and collecting current transformer 311 carries out proportional zoom, in case electric current is excessive Power analysis circuitry 33 is burnt out, or electric current too small-power analysis circuit 33 is difficult to detect, and power analysis circuitry 33 here The internal circuit of existing power analyzer, so by it is each it is circuit integrated enter shell 1 in mode can greatly shorten line The distance on road, while scene need not be arrived every time and carrying out a connection, and scattered equipment needs multiple power supplys, this Sample also just proposes harsher requirement to building environment, when user needs to access outside circuit to be detected, existing electric current The iron core 313 of transformer 311 is closing, just needs to pass through after first one end of circuit is pulled down when such user accesses circuit Gone back after current transformer 311 by circuit connection, thus can be pretty troublesome, if circuit is long, then this process is just Can be pretty troublesome, or even some circuits are non-removable, can thus become undetectable situation, and what the present embodiment was set The iron core 313 of transformer 311 is provided with fluting, and such outside line can is directly put into from fluting, then stirs shifting block 315 Contact block 314 is released until the both ends of contact block 314 and the fluting of iron core 313 mutually contradict, can thus form the iron of closure Core 313, thus induced current can be equally produced with the iron core 313 of closing, so can be carried out detecting outside line Size of current, so namely measurement process carry out more quick rapid, save manual time, and can also solve can not The route survey problem of dismounting, so will not also damage the connection of circuit.
As a kind of improved embodiment, motor 4 and rotatable base 5 are additionally provided with inside the shell 1, The motor 4 links with base 5, and when the motor 4 rotates, the motor 4 drives the rotation of base 5 to stretch out shell 1, with support Shell 1.
Pass through above-mentioned technical proposal, when user needs to be arranged measuring environment, it is only necessary to start motor 4, then bottom Seat 5 will rotate under the drive of motor 4, then stretch out shell 1, thus script can be taken in into the base 5 in shell Rotation is stretched out, you can is played a supporting role, can so be ensured that shell 1 will not rock, prevent from rocking and translating into shell 1, protects Demonstrate,proving internal circuit 2 can be with stable operation.
As a kind of improved embodiment, the base 5 includes support 51 and is arranged on the branch at the both ends of support 51 Block 52, fixture block 41 and baffle plate 44 are fixedly connected with the axle of the motor 4, the through hole of circle, institute are offered on the support 51 State and square neck is offered on the side of through hole, the square neck and through hole are interconnected, and lead to when the axle of the motor 4 passes through Kong Shi, the fixture block 41 are embedded into square neck, and when motor 4 rotates, the fixture block 41 blocks support 51 and drives its rotation Turn, spring 43 is also fixedly connected between the baffle plate 44 and support 51, when support 51, which rotates, stretches out shell 1, at spring 43 In reset condition.
Pass through above-mentioned technical proposal, when motor 4 starts, fixture block 41 can block support 51, and motor 4, which rotates, drives fixture block to turn Move 41 and then drive support 51 to rotate, then the both ends of support 51 will stretch out shell 1, then one end connection baffle plate of spring 43 44 other end connecting brackets 51, such spring 43 will eject support 51 on shell 1, and the both ends of support 51 are also all connected to Bearing piece 52, bearing piece 52 can use flexible material, thus can play cushioning effect to shell 1 and internal circuit 2, can be with Alleviate the influence that the vibrations of a part come to detection band, simultaneously because what spring 43 connected baffle plate 44 and support 51, Further buffering thus is served again on the basis of bearing piece 52, the factors such as decrease is shaken significantly or wind is rocked are to inspection Survey process has an impact.
As a kind of improved embodiment, bracket track 7, the branch are also fixedly connected with inside the shell 1 Mounted track 7 is arcuate structure, and the upper side of the arcuate structure is provided with upper groove 71 and low groove 72, and the upper groove 71 is with It is inclined-plane that groove 72, which has one side, and its inclined-plane is interconnected to form triangle projection, when support 51 is embedded in upper groove 71 When, the support 51 takes in shell 1, and when support 51 is embedded in low groove 72, shell 1 is stretched out in the rotation of support 51.
Pass through above-mentioned technical proposal, spring 43 can be enclosed in the sleeve of hard in this improvement, can so prevented Spring 43 is bent in the lateral direction, when needing support 51 taking in shell 1, only support 51 need to be embedded in upper groove 71, so Afterwards when support 51 rotates, spring 43 can contradict support 51 on bracket track 7, be contracted upwards along the inclined-plane of upper groove 71, Because the presence of sleeve would not be bent to the left and right, but contracting upwards, so when support 51 is retracted until rotating through triangle upwards After raised peak, thus support 51 it can be bonded the inclined-plane of low groove 72 in the presence of spring 43 and move down, most Afterwards support 51 it is fully rotating stretch out shell 1 after be embedded into low groove 72, so due to low groove 72 inclined-plane presence, just Motor 1 can be utilized to rotate backward, it is possible to return to support 51 is embedding in upper groove 71, so set the position of upper groove 71 That puts is higher than low groove 72, it is possible to realizes and realizes downward displacement while support 51 rotates and stretches out shell 1, thus may be used Preferably to support shell 1 using base 5, so shell 1 is propped up away from ground, damp ground can be avoided, can To prevent water or dust from entering enclosure, and it can realize in automatic retraction shell 1, it is not necessary to manually by support 51 Withdraw in shell 1, can utilizing motor 4, driving is withdrawn automatically, and simple in construction.
As a kind of improved embodiment, the internal circuit 2 also includes angle induction mechanism 6 and master control core Piece, the angle induction mechanism 6 are coupled to main control chip, and the motor 4 is also coupled in main control chip, when the angle induction machine Structure 6 detects shell 1 to when setting the side of base 5 on the lower, and the angle induction mechanism 6 sends enabling signal, the master control Chip receives the enabling signal, and controls the motor 4 to rotate.
Pass through above-mentioned technical proposal, when user needs to build detection environment, it is only necessary to by shell 1 to there is provided base 5 Side tilt on the lower, the can automatic detection of angle induction mechanism 6 goes out inclined direction, and then motor 4 starts to rotate, drive Support 51 rotates auto-extending shell 1 and supports shell, and when the inclination remote backwards to ground of shell 1, motor 4 will be relative Rotate backward, such support 51 will be retracted into shell 1, and so there is no need to artificial motor 4, it is possible to achieve intelligence Can base 5 build, it is more intelligent, so as to build more convenient rapid during detection environment, further reduce people The process of work operation, is more convenient for the operation of user, avoids unnecessary operation, improve operating efficiency.
As a kind of improved embodiment, the angle induction mechanism 6 includes liquid storage shell 61, the and of conduction liquid 62 First terminals 63 and the second terminals 64, the conduction liquid 62 are stored in liquid storage shell 61, first terminals 63 The shell bottom of liquid storage shell 61 is fitted in, and is bonded with an adjacent side wall, and is dipped in conduction liquid 62, second wiring End 64 fits in shell top, and side wall be bonded with the first terminals 63 is bonded, when the liquid storage shell 61 is to the first wiring When holding the sidewall direction of 63 fittings on the lower, the liquid level of conduction liquid 62 tilts and contacts the second terminals 64, and then makes first to connect The terminals 64 of line end 63 and second communicate, and the side wall that the first terminals 63 are bonded on the liquid storage shell 61 is fitted in shell 1 On one side relative to base 5.
Pass through above-mentioned technical proposal, when user is only by shell 1 to there is provided the inclination of the side of base 5 on the lower, liquid storage shell 61 will can also tilt with inclination, so its internal conduction liquid 62, the second terminals 64 can thus also touched and leads Electro-hydraulic 62, such first terminals 63 will connect with the second terminals 64, thus can so be connected with transmission start signal Main control chip can receives the enabling signal of its transmission afterwards, can thus be rotated using main control chip controlled motor 4, and And when the first terminals 63 do not connect with the second terminals 64, main control chip would not receive enabling signal, thus again It can be rotated backward with controlled motor 4, and then base 5 is retracted to inside shell 1, it is such simple and practical, it is not necessary to adopt With angular transducer, such as MPU6050 integration modules in this, the process of posture calculation is so also avoided, is thus reduced To the performance requirement of main control chip, and then reduce cost.
Described above is only the preferred embodiment of the present invention, and protection scope of the present invention is not limited merely to above-mentioned implementation Example, all technical schemes belonged under thinking of the present invention belong to protection scope of the present invention.It should be pointed out that for the art Those of ordinary skill for, some improvements and modifications without departing from the principles of the present invention, these improvements and modifications It should be regarded as protection scope of the present invention.

Claims (6)

1. a kind of new-energy automobile drive system integrated synthesis tester, including shell (1) and internal circuit (2), described interior Portion's circuit (2) is arranged in shell (1), it is characterised in that the internal circuit (2) includes current collection circuit (31), power supply Change-over circuit (32) and power analysis circuitry (33) and display circuit (34), the current collection circuit (31) and external circuit Coupling, to gather the electric current of external circuit and output current data signal, the current collection circuit (31) is further coupled to power supply Change-over circuit (32), to obtain power supply and current data signal is transferred into power-switching circuit (32), the power analysis electricity Road (33) is coupled to power-switching circuit (32), after the power-switching circuit (32) receives current data signal, by the electricity Circuit-switched data signal carries out reducing conversion and exports switching current signal, and the power analysis circuitry (33) receives switching current letter Number, and power output data, the display circuit (34) are coupled to power analysis circuitry (33), receiving power data are simultaneously shown, The current collection circuit (31) includes current transformer (311), and the current transformer (311) includes transformer casing (312), it is arranged at the internal slotted iron core (313) of transformer casing (312) and a slip is taken in outside transformer The internal contact block (314) of shell (312), the shifting block stirred for human hand is fixedly connected with the one side of the contact block (314) (315) shifting block chute (316), is offered on the transformer casing (312), the shifting block (315) passes through shifting block chute (316) Stretch out and can be slid in shifting block chute (316) afterwards, after electric wire is through the fluting of transformer casing (312) and iron core (313) When putting among iron core (313), stir shifting block (315) and mutually support contact block (314) release and the both ends of the fluting of iron core (313) Touch, form the iron core (313) of closing, and then generate electric current and output current data signal.
2. new-energy automobile drive system integrated synthesis tester according to claim 1, it is characterised in that described outer Motor (4) and rotatable base (5) are additionally provided with inside shell (1), the motor (4) is linked with base (5), when the motor (4) when rotating, the motor (4) drives base (5) rotation to stretch out shell (1), with support housing (1).
3. new-energy automobile drive system integrated synthesis tester according to claim 2, it is characterised in that the bottom Seat (5) includes support (51) and is arranged on the bearing piece (52) at support (51) both ends, and card is fixedly connected with the axle of the motor (4) Block (41) and baffle plate (44), the through hole of circle is offered on the support (51), square card is offered on the side of the through hole Groove, the square neck and through hole are interconnected, and when the axle of the motor (4) passes through through hole, the fixture block (41) is embedded into In square neck, when motor (4) rotates, the fixture block (41) blocks support (51) and drives its rotation, the baffle plate (44) Spring (43) is also fixedly connected between support (51), when support (51), which rotates, stretches out shell (1), spring (43) is in multiple Original state.
4. new-energy automobile drive system integrated synthesis tester according to claim 3, it is characterised in that described outer Also it is fixedly connected with bracket track (7) inside shell (1), the bracket track (7) is arcuate structure, the upper side of the arcuate structure Upper groove (71) and low groove (72) are provided with, it is inclined-plane that the upper groove (71) and low groove (72), which have one side, and Its inclined-plane is interconnected to form triangle projection, and when support (51) is embedded in upper groove (71), the support (51) takes in shell (1), when embedded low groove (72) of support (51), shell (1) is stretched out in support (51) rotation.
5. new-energy automobile drive system integrated synthesis tester according to claim 4, it is characterised in that in described Portion's circuit (2) also includes angle induction mechanism (6) and main control chip, and the angle induction mechanism (6) is coupled to main control chip, institute State motor (4) to be also coupled in main control chip, when the angle induction mechanism (6) detects shell (1) to the one of setting base (5) Side on the lower when, the angle induction mechanism (6) sends enabling signal, and the main control chip receives the enabling signal, and controls institute State motor (4) rotation.
6. new-energy automobile drive system integrated synthesis tester according to claim 5, it is characterised in that the angle Degree induction mechanism (6) includes liquid storage shell (61), conduction liquid (62) and the first terminals (63) and the second terminals (64), institute Conduction liquid (62) to be stated to be stored in liquid storage shell (61), first terminals (63) fit in the shell bottom of liquid storage shell (61), And it is bonded, and is dipped in conduction liquid (62) with an adjacent side wall, second terminals (64) fit in shell top, and The side wall fitting being bonded with the first terminals (63), when the side wall that the liquid storage shell (61) is bonded to the first terminals (63) Direction on the lower when, conduction liquid (62) liquid level tilts and contacts the second terminals (64), so make the first terminals (63) and Second terminals (64) communicate, and the side wall that the first terminals (63) are bonded on the liquid storage shell (61) is fitted in shell (1) On one side relative to base (5).
CN201711324124.5A 2017-12-13 2017-12-13 Integrated comprehensive tester for new energy automobile driving system Active CN107884615B (en)

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CN113341207A (en) * 2021-07-05 2021-09-03 苏文电能科技股份有限公司 Self-adaptive detection device for power cable grounding current and operation method thereof

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