CN105990701A - High-current terminal post-type battery clamp - Google Patents

High-current terminal post-type battery clamp Download PDF

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Publication number
CN105990701A
CN105990701A CN201510075697.3A CN201510075697A CN105990701A CN 105990701 A CN105990701 A CN 105990701A CN 201510075697 A CN201510075697 A CN 201510075697A CN 105990701 A CN105990701 A CN 105990701A
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China
Prior art keywords
sleeve pipe
electric current
curved surface
type battery
battery clamp
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Granted
Application number
CN201510075697.3A
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Chinese (zh)
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CN105990701B (en
Inventor
毛广甫
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Shenzhen Repower Industrial Co Ltd
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Shenzhen Repower Industrial Co Ltd
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Priority to CN201510075697.3A priority Critical patent/CN105990701B/en
Publication of CN105990701A publication Critical patent/CN105990701A/en
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Publication of CN105990701B publication Critical patent/CN105990701B/en
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  • Measuring Leads Or Probes (AREA)

Abstract

The invention relates to the technical field of battery testing equipment, and provides a high-current terminal post-type battery clamp, which comprises two supporting seats. Each supporting seat is provided with a groove respectively; the groove has a smooth curved surface and two planes; terminal posts at two ends of the battery are respectively sleeved with sleeves; the two sleeves are erected on the curved surface respectively; and an adjusting part for adjusting the contact stress between the sleeve and the curved surface and a circuit board electrically connected with the curved surface for measuring voltage and current parameters of the battery are inserted in the supporting seat. According to the above high-current terminal post-type battery clamp, as the sleeves are erected on the curved surfaces, through the adjusting effects of the adjusting part, the contact stress between the sleeves and the curved surfaces is increased, contact between the sleeves and the curved surfaces is tighter, the contact area is larger, the contact resistance is smaller, the high-current over current ability is reliable, the voltage and current parameters can be accurately acquired, the automatic degree is high, and batch use is facilitated.

Description

Big electric current post type battery clamp
Technical field
The invention belongs to the technical field of battery test apparatus, particularly relate to big electric current post type battery clamp.
Background technology
At present, in the field of battery test apparatus, when battery is carried out quality testing, it is generally required to be equipped with right The instrument that the electric current of battery, voltage are acquired.As a example by the detection to big electric current post type battery, in order to It is typically all in ensureing the accuracy that battery current, voltage parameter gather, industry by using nut by line nose Son is fixed on the pole of battery, or, by heavy-duty machinery ejector pin clamp, use thimble by pole two ends Withstand.The above-mentioned detection mode to big electric current post type battery, although no problem in theory, but In actual mechanical process, it yet suffers from problems with:
1, line nose or thimble are little with pole contact area, and big overcurrent ability is unreliable;
2, line nose or thimble are with pole in the case of being in close contact, and also can there is gap, and cause bigger Contact impedance, the accuracy of test result is affected the biggest;
3, use nut or thimble to pole mechanical presses repeatedly, be easily damaged pole;
4, the welding of line nose, the handling of nut, thimble fixing, be required for manpower and use the instrument of specialty Operating, automaticity is low, be difficult to batch uses.
Summary of the invention
It is an object of the invention to provide big electric current post type battery clamp, it is intended to solve prior art exists Owing to conductive contact area is little, contact impedance is big, big overcurrent ability is unreliable and cause electric current, electricity Pressure parameter acquisition poor accuracy and damage pole, problem that automaticity is low.
For solving above-mentioned technical problem, the technical scheme of the big electric current post type battery clamp that the present invention provides is, It includes the two support seats being oppositely arranged, and supports the groove offering the shape that takes the shape of the letter U on seat respectively, institute described in two State groove and there is the plane that smooth curved surface and two connect with described curved surface and are parallel to each other, described battery two Being arranged with the sleeve pipe of smooth outer surface on end pole respectively, sleeve pipe described in two is set up on described curved surface respectively, Be inserted with on described support seat the regulation parts for regulating described sleeve pipe and described curved face contact stress and with Described curved surface is electrically connected with and for measuring the circuit board of described cell voltage current parameters.
Further, described regulation parts threaded engagement in described recess sidewall, and run through described plane with Described sleeve pipe offsets.
Further, described regulation parts are to be located at described groove the first elasticity that is interior and that offset with described sleeve pipe Part.
Further, also include base plate, described base plate be provided with two groups of dismountable second elastic components relatively, Support seat described in two to be respectively supported on described second elastic component.
Further, described second elastic component includes two springs being inserted in respectively in described support seat bottom portion, Spring described in two is equipped with two for the screw adjusting described initial tension of spring.
Further, the angle between described plane and horizontal plane is acute angle, and described regulation parts are located at described On the upper side wall of groove.
Further, described angle is 25~45 degree.
Further, described circuit board is provided with and draws pin, described in draw pin and run through described curved surface and described sleeve pipe phase Support to detect the voltage of described battery, described support seat offers jack, described jack is inserted with inserting column To detect the electric current of described battery.
Further, described circuit board is additionally provided with for detecting described sleeve pipe and described support seat operating temperature Temperature sensor and for detecting the pressure transducer of described the born pressure of support seat.
The present invention compares the beneficial effect of prior art:
Owing to above-mentioned big electric current post type battery clamp uses two to support seat, support seat and offer groove, recessed Groove has smooth curved surface, and battery two ends pole is arranged with the sleeve pipe of smooth in appearance, is located on curved surface by casing rack, And by regulating the regulation effect of parts, strengthen the contact stress of sleeve pipe and curved surface, i.e. make sleeve pipe and curved surface Contact the tightst, so, the contact area of sleeve pipe and curved surface will be bigger, and sleeve pipe contacts resistance with curved surface Anti-will be less, and the electric current flowing through groove curved surface by sleeve pipe from battery electrode column will become much larger so that circuit board The most accurate for flowing through the measurement of curved surface electric current.
Therefore, for the prior art that compares, above-mentioned big electric current post type battery clamp, its sleeve pipe and curved surface Contact is closely, contact area is big, contact impedance is little, and big overcurrent ability is reliable, it is ensured that electric current, voltage The accuracy of parameter acquisition;It addition, casing pipe sleeve is located on battery electrode column, pole being formed protection, it is avoided Prior art, owing to using thimble that pole mechanical presses repeatedly is damaged the problem of pole, which reduces line The manual operations such as nose welds, thimble is fixing, automaticity is high, be suitable to batch uses.
Accompanying drawing explanation
Fig. 1 is the stereo decomposing explosive view of the big electric current post type battery clamp that the embodiment of the present invention provides;
Fig. 2 is the big electric current post type battery clamp that provides of Fig. 1 enlarged diagram at circle A.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with accompanying drawing and reality Execute example, the present invention is further elaborated.Only should be appreciated that specific embodiment described herein Only in order to explain the present invention, it is not intended to limit the present invention.
As shown in Fig. 1~2, the preferred embodiment provided for the present invention.
It should be noted that when parts are referred to as " being fixed on " or " being arranged at " another parts, and it can be straight It is connected on another parts or may be simultaneously present parts placed in the middle.When parts are known as " being connected to " Another parts, it can be directly to another parts or may be simultaneously present parts placed in the middle.
Also, it should be noted the orientation term such as left and right, upper and lower in the present embodiment, it it is only phase each other To concept or with the normal operating condition of product as reference, and should not be regarded as restrictive.
As depicted in figs. 1 and 2, the big electric current post type battery clamp 10 that the present embodiment provides, including relatively The two support seats 11 arranged, two support the groove 12 offering the shape that takes the shape of the letter U on seat 11 respectively, groove 12 There is the plane 122 that smooth curved surface 121 and two connect with curved surface 121 and are parallel to each other, 13 liang of battery Being arranged with the sleeve pipe 14 of smooth outer surface on end pole 131 respectively, two sleeve pipes 14 are set up in curved surface 121 respectively On, support and on seat 11, be inserted with the regulation parts 15 for adjusting sleeve pipe 14 with curved surface 121 contact stress And be electrically connected with and for measuring the circuit board 16 of battery 13 voltage and current parameter with curved surface 121.
The beneficial effect of the big electric current post type battery clamp 10 that the present embodiment provides:
As depicted in figs. 1 and 2, two are used to support seat due to above-mentioned big electric current post type battery clamp 10 11, support seat 11 and offer groove 12, groove 12 has smooth curved surface 121, battery 13 two ends pole 131 sleeve pipes 14 being arranged with smooth in appearance, are set up in sleeve pipe 14 on curved surface 121, and by regulation parts The regulation effect of 15, strengthens the contact stress of sleeve pipe 14 and curved surface 121, i.e. makes sleeve pipe 14 and curved surface 121 Contact the tightst, so, sleeve pipe 14 will be bigger with the contact area of curved surface 121, and sleeve pipe 14 is with bent The contact impedance in face 121 will be less, flow through groove 12 curved surface from battery 13 pole 131 by sleeve pipe 14 The electric current of 121 will become much larger so that circuit board 16 is the most accurate for the measurement flowing through curved surface 121 electric current,
Therefore, for the prior art that compares, above-mentioned big electric current post type battery clamp 10, its sleeve pipe 14 Contact with curved surface 121 closely, contact area is big, contact impedance is little, big overcurrent ability is reliable, it is ensured that The accuracy that electric current, voltage parameter gather;It addition, sleeve pipe 14 is sheathed on battery 13 pole 131, right Pole 131 forms protection, which obviates prior art owing to using thimble to pole 131 mechanical presses repeatedly And damage the problem of pole 131, which reduce the manual operations such as line nose welds, thimble is fixing, automatization Degree is high, be suitable to batch uses.
It should be noted that the material supporting seat 11 and sleeve pipe 14 all uses the super of brass surfaces plating gold Lead material, there is good electric conductivity.
It is emphasized that as depicted in figs. 1 and 2, owing to the size of groove 12 curved surface 121 is certain, and Different size of battery 13, varying in size of its pole 131 diameter, therefore, can be by selecting different-diameter Sleeve pipe 14 so that above-mentioned big electric current post type battery clamp 10 can apply to the survey of different size battery 13 Amount, and have more the suitability.
Refinement ground, as depicted in figs. 1 and 2, pole 131 and sleeve pipe 14 threaded engagement or interference fit.Adopt By threaded engagement or employing interference fit so that pole 131 is in close contact with sleeve pipe 14, increases pole 131 with the contact area of sleeve pipe 14 so that form good conductive condition between pole 131 and sleeve pipe 14, Guarantee electric current, the accuracy of voltage acquisition result.Additionally, the surfaces externally and internally of sleeve pipe 14 is carried out gold-plated process, Both protect the screw thread on inner surface, decrease again the pressure drop on surfaces externally and internally.
Refinement ground, sleeve pipe 14 is further opened with two ages of a draught animal 141, and instrument of can using rotates two ages of a draught animal 141, Sleeve pipe 14 is tightened against on pole 131, or, sleeve pipe 14 is pulled down from pole 131.So, carry The convenience that high big electric current post type battery clamp 10 uses.
The present embodiment is about the first embodiment of the regulation concrete set-up mode of parts 15, such as Fig. 1 and Fig. 2 Shown in, regulation parts 15 threaded engagement, on groove 12 sidewall, and runs through plane 122, and with sleeve pipe 14 Offset.So, can by screwing regulation parts 15 up and down, reach to control to adjust on parts 15 from or under To sleeve pipe 14, to realize contact stress sleeve pipe 14 and curved surface 121 between is decreased or increased.
Refinement ground, as it is shown in figure 1, regulation parts 15 are handle screw 151, so, people can be direct Screw screw up and down by turning handle, without the instrument such as spanner, pliers of use, compare more existing For technology, it is to avoid owing to using soldering appliance that line nose is welded, use spanner that nut is dismantled And time-consuming, the problem of consumption manpower.
The present embodiment is about the second embodiment of the regulation concrete set-up mode of parts 15, as it is shown in figure 1, adjust Joint parts 15 are to be located at the first elastic component (not shown) that groove 12 is interior and offsets with sleeve pipe 14.So, During being installed on by sleeve pipe 14 on groove 12 curved surface 121, sleeve pipe 14 overcomes the elasticity of the first elastic component Tension force, makes the first elastic component be in compressive state, and after having assembled, sleeve pipe 14 will be fixed in curved surface On 121, now, sleeve pipe 14 is resisted against on curved surface 121 by the first elastic component elasticity tension so that sleeve pipe 14 It is in close contact with curved surface 121.
As depicted in figs. 1 and 2, in order to ensure the comprehensive engagement of sleeve pipe 14 with curved surface 121, support seat 11 Use float design, when making sleeve pipe 14 contact with curved surface 121 can self-adaptative adjustment contact, therefore, above-mentioned greatly Electric current post type battery clamp 10 is additionally provided with base plate 17, and base plate 17 is provided with two groups dismountable second relatively Elastic component 171, two support seat 11 is respectively supported on the second elastic component 171.
So, when handle screw 151 overtorquing, i.e. when the distance mistake that handle screw 151 screws downwards Time big, handle screw 151 is to sleeve pipe 14 and supports the active force of seat 11 by change greatly, and direction is downward, this Time, it is located at the second elastic component 171 bottom support seat 11 and will buffer this extention effect by elastic shrinkage Power is to sleeve pipe 14 and the impact of support seat 11, to avoid handle screw 151 sleeve pipe 14 to cause abrasion, becomes Shape so that the contact stress between sleeve pipe 14 and groove 12 curved surface 121 is in suitable scope.
It should be noted that base plate 17 material is insulant, it is preferable that floor material is epoxy resin, And its surface carries out oil removal treatment, it is mainly used in insulation and fixed supporting seat 11.
Additionally, due to the second elastic component 171 is detachably arranged on base plate 17, therefore, can be according to different electricity The size in pond 13 is placed, and adjusts the distance between two support seats 11, to be suitable for various sizes of battery 13 measure.
Refinement ground, as depicted in figs. 1 and 2, the second elastic component 171 includes that two are inserted in support seat respectively Spring 1711 in bottom 11, is equipped with two for adjusting spring 1711 pretightning force in two springs 1711 Screw 172.So, sleeve pipe can be carried out by supporting the elastic deformation of two springs 1711 bottom seat 11 14 Automatic adjusument contacted with groove 12 curved surface 121.And two can be controlled by regulation screw 172 Individual spring 1711 is in the deformation quantity of original state.
As depicted in figs. 1 and 2, for the ease of machinery or manual handling battery 13, groove 12 plane 122 And the angle between horizontal plane 122 is acute angle, regulation parts 15 are located on the upper side wall of groove 12.So, Regulation parts 15 are located on the upper side wall of groove 12, it is simple to people are adjusted operation;And adjusting During joint parts 15, as turned handle screw 151, handle screw 151 will to the direction of sleeve pipe 14 active force Being perpendicular to groove 12 plane 122, diagonally downward, and this active force is by by being located at the bullet supported bottom seat 11 Spring 1711 balances.
Preferably, this angle is 25~45 degree.Through test, when angle is 40 degree, it is most suitable for people in groove Loading and unloading battery 13 in 12, are most suitable for the Automatic adjusument that sleeve pipe 14 contacts with curved surface 121.
Angle between upper side and horizontal plane 122 that groove 12 upper side wall coordinates with regulation parts 15 is also Acute angle, it is preferable that angle is also 25~45 degree.So, it is simple to dismounting regulation parts 15.
In order to avoid the influencing each other of electric current and voltage parameter when measuring, improve the progress measured, as Fig. 1 with Shown in Fig. 2, circuit board 16 is provided with and draws pin 161, draws pin 161 and runs through curved surface 121 and offset with sleeve pipe 14 To detect the voltage of battery 13, support and offer jack 111 on seat 11, described jack 111 is inserted with slotting Post (not shown) is to detect the electric current of battery 13.So, voltage, electric current collection completely separable, real Having showed difference four electrode, i.e. voltage acquisition is to measure by drawing pin 161, and current acquisition is to be come by inserting column Measure, it is ensured that voltage, the certainty of measurement of electric current.
Preferably, the extended line center of circle through sleeve pipe 14 cross section of pin 161 axis is drawn.As such, it is possible to protect Card draws being fully contacted of pin 161 and sleeve pipe 14, is beneficial to the progress of raising voltage measurement.
Refinement ground, jack 111 can be copper hole, and inserting column can be bolt, nut, screw etc., copper hole and bolt It is electrically connected with, then uses probe that it is gathered.
Additionally, circuit board 16 is provided with welded nut (not shown), external cabling head can directly be locked in electricity On road plate 16, it is not required to individually weld, facilitates wiring.
Temperature and support seat 11 in order to observe whole device in voltage, current collection process at any time are born Pressure, circuit board 16 is additionally provided with temperature sensor (not shown) and pressure transducer (in figure not Show).Temperature sensor is used for detecting sleeve pipe 14 and supporting seat 11 operating temperature, and pressure transducer is used for Detection supports the born pressure of seat 11.
These are only presently preferred embodiments of the present invention, not in order to limit the present invention, all the present invention's Any amendment, equivalent and the improvement etc. made within spirit and principle, should be included in the guarantor of the present invention Within the scope of protecting.

Claims (9)

1. big electric current post type battery clamp, it is characterised in that: include the two support seats being oppositely arranged, two institutes Stating and support the groove offering the shape that takes the shape of the letter U on seat respectively, described groove has smooth curved surface and two and institute State the plane that curved surface connects and is parallel to each other, described battery two ends pole is arranged with smooth outer surface respectively Sleeve pipe, sleeve pipe described in two is set up on described curved surface respectively, described support seat is inserted with for regulating described The regulation parts of sleeve pipe and described curved face contact stress and be electrically connected with described curved surface and be used for measuring described The circuit board of cell voltage current parameters.
2. big electric current post type battery clamp as claimed in claim 1, it is characterised in that: described regulation portion Part threaded engagement is in described recess sidewall, and runs through described plane and offset with described sleeve pipe.
3. big electric current post type battery clamp as claimed in claim 1, it is characterised in that: described regulation portion Part is to be located at the first elastic component that described groove is interior and offsets with described sleeve pipe.
4. the biggest electric current post type battery clamp, it is characterised in that: also include Base plate, described base plate is provided with two groups of dismountable second elastic components relatively, supports seat and support respectively described in two On described second elastic component.
5. big electric current post type battery clamp as claimed in claim 4, it is characterised in that: described second bullet Property part includes two springs being inserted in respectively in described support seat bottom portion, is equipped with two in spring described in two For adjusting the screw of described initial tension of spring.
6. electric current post type battery clamp as claimed in claim 4 big, it is characterised in that: described plane with Angle between horizontal plane is acute angle, and described regulation parts are located on the upper side wall of described groove.
7. big electric current post type battery clamp as claimed in claim 6, it is characterised in that: described angle is 25~45 degree.
8. big electric current post type battery clamp as claimed in claim 4, it is characterised in that: described circuit board Be provided with and draw pin, described in draw pin and run through described curved surface and offset to detect the voltage of described battery with described sleeve pipe, Offer jack on described support seat, described jack is inserted with inserting column to detect the electric current of described battery.
9. big electric current post type battery clamp as claimed in claim 4, it is characterised in that: described circuit board On be additionally provided with for detecting described sleeve pipe and the temperature sensor of described support seat operating temperature and for detecting The pressure transducer of described the born pressure of support seat.
CN201510075697.3A 2015-02-12 2015-02-12 High current post type battery clamp Active CN105990701B (en)

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CN105990701B CN105990701B (en) 2018-01-16

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106405195A (en) * 2016-11-07 2017-02-15 珠海泰坦新动力电子有限公司 Quick clamping fixture for aluminum titanate cylindrical power battery
CN106451014A (en) * 2016-10-31 2017-02-22 合肥舒实工贸有限公司 L-shaped terminal fixing device of semi-automatic silver point riveting machine
CN108318715A (en) * 2018-04-10 2018-07-24 广东电网有限责任公司 A kind of novel accumulator internal resistance test clip
CN109709371A (en) * 2017-10-26 2019-05-03 银隆新能源股份有限公司 Voltage test device for lithium ion battery

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Publication number Priority date Publication date Assignee Title
CN201066361Y (en) * 2007-07-26 2008-05-28 深圳市比克电池有限公司 A battery detection clamper
CN203658157U (en) * 2013-12-26 2014-06-18 三洋能源(苏州)有限公司 Clamping distance adjustable battery clamping fixture
DE102013002340A1 (en) * 2013-02-09 2014-08-14 Volkswagen Aktiengesellschaft Method for testing aging state of accumulator in lithium-ion battery system in electrical or hybrid vehicle, involves checking aging state of energy store using determined clamp resistors internal resistance sizes
CN203838317U (en) * 2013-12-16 2014-09-17 北汽福田汽车股份有限公司 Battery detection tool
CN204129071U (en) * 2014-09-09 2015-01-28 深圳市兴意达通讯技术有限公司 A kind of battery voltage detection fixture

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201066361Y (en) * 2007-07-26 2008-05-28 深圳市比克电池有限公司 A battery detection clamper
DE102013002340A1 (en) * 2013-02-09 2014-08-14 Volkswagen Aktiengesellschaft Method for testing aging state of accumulator in lithium-ion battery system in electrical or hybrid vehicle, involves checking aging state of energy store using determined clamp resistors internal resistance sizes
CN203838317U (en) * 2013-12-16 2014-09-17 北汽福田汽车股份有限公司 Battery detection tool
CN203658157U (en) * 2013-12-26 2014-06-18 三洋能源(苏州)有限公司 Clamping distance adjustable battery clamping fixture
CN204129071U (en) * 2014-09-09 2015-01-28 深圳市兴意达通讯技术有限公司 A kind of battery voltage detection fixture

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106451014A (en) * 2016-10-31 2017-02-22 合肥舒实工贸有限公司 L-shaped terminal fixing device of semi-automatic silver point riveting machine
CN106451014B (en) * 2016-10-31 2019-01-25 合肥舒实工贸有限公司 A kind of L-type terminal fixer of semi-automatic silver-point riveting machine
CN106405195A (en) * 2016-11-07 2017-02-15 珠海泰坦新动力电子有限公司 Quick clamping fixture for aluminum titanate cylindrical power battery
CN109709371A (en) * 2017-10-26 2019-05-03 银隆新能源股份有限公司 Voltage test device for lithium ion battery
CN108318715A (en) * 2018-04-10 2018-07-24 广东电网有限责任公司 A kind of novel accumulator internal resistance test clip

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