CN209264782U - A kind of measuring head and test equipment - Google Patents

Abstract

The embodiments of the present invention provide a kind of measuring head and test equipment, belong to detection technique field.Measuring head includes: clip, and clip has the first test department and the second test department being oppositely arranged, and the first test department and the second test department can be relatively close or separate；At least two contact pins, contact pin are connect with the first test department, and at least two tea small cups are arranged along the first preset direction interval, and one end of contact pin is provided with the contact portion for being electrically connected with detection piece, and contact pin is provided with the wire connecting portion being electrically connected with contact portion.Measuring head can quickly will test multiple tie points of part while access test circuit, the plenty of time that wiring and operation expend when reducing traditional test mode, and can be improved insulating properties when test, increase the safety of operation, this is reasonable in design, practical.

Description

A kind of measuring head and test equipment

Technical field

The utility model relates to detection technique fields, in particular to a kind of measuring head and test equipment.

Background technique

The DC feeder network of substation mostly uses tree at present, from battery to station equipment, generally passes through three Grade distribution, every gradation TV university mostly use direct current air switch as protection electric appliance.In direct current system operational process, when junior uses When short trouble occurs in electric equipment, since the superior and the subordinate's direct current air switch protection act characteristic mismatches, cause upper level direct current Air switch overstepping so as to cause other non-faulting feeder line DC supply interruptions, and then causes transforming plant primary to set Standby such as breaker, transformer, capacitor accident.

In order to prevent because direct current air switch the superior and the subordinate acting characteristic mismatches bring hidden danger, need to new installation and fortune Direct current air switch in row carries out ampere-time characteristic test, to guarantee that performance is consistent with design, it is ensured that DC loop meets differential The requirement of cooperation.The traditional measurement for the ampere-time characteristic test that direct current is spaced apart is needed using specific purpose tool, and operation and wiring are multiple Polygamy is high, and consuming time is long.

Inventor has found under study for action, existing at least to have the disadvantage in that in the related technology

It can be convenient for the measuring head of operation without one kind.

Utility model content

The utility model provides a kind of measuring head, improves the deficiencies in the prior art, can quickly will test part Multiple tie points access test circuit simultaneously, the plenty of time that wiring and operation expend when reducing traditional test mode, and energy Enough insulating properties improved when testing, increase the safety of operation, this is reasonable in design, practical.

The utility model additionally provides a kind of test equipment comprising measuring head mentioned above has the measuring head Repertoire.

The embodiments of the present invention this can be implemented so that

The embodiments of the present invention provide a kind of measuring head comprising:

Clip, the clip have the first test department and the second test department that are oppositely arranged, and first test department and Second test department can be relatively close or separate；

At least two contact pins, the contact pin are connect with first test department, and at least two tea small cups are pre- along first The setting of set direction interval, one end of the contact pin are provided with the contact portion for being electrically connected with detection piece, and the contact pin is provided with The wire connecting portion being electrically connected with the contact portion.

Specifically, the measuring head can quickly will test multiple tie points of part while access test circuit, reduces and pass The plenty of time that wiring and operation expend when test mode of uniting, and can be improved insulating properties when test, increase the peace of operation Quan Xing, this is reasonable in design, practical.

Optionally, at least two are provided on second test department for accommodating the first perforation of the contact pin, and institute It states the first perforation one contact pin to correspond, there is the measuring head contact pin to be arranged in first perforation and described the The first state and the contact pin of one test department and second test department contact are detached from first perforation and described first Test department and second part of detecting from the second state.

Optionally, the clip includes the first connector and the second connector, and first connector is around rotational axis line Be rotatablely connected with second connector, and the rotational axis line be located at first connector and the second connector it Between, first test department is arranged on first connector, and second test department is arranged on second connector.

Optionally, first perforation is slotted hole, and first perforation extends along the length direction of the clip.

Optionally, the measuring head further include reply part, it is described reply part one end connect with first connector or It abuts, the other end for replying part connect or abuts with second connector, and the reply part is surveyed for making described first Examination portion and the second test department have relatively close movement tendency.

Optionally, first connector has the first holding part, and second connector has the second holding part, and institute State the end of the first holding part to the distance for replying part be less than the end of first test department to the reply part away from From the end that the end of, second holding part to the distance for replying part is less than second test department to the reply part Distance.

Optionally, first holding part and the first test department angle are arranged, and described one end for replying part is closed on The first holding part setting；

Second holding part and the second test department angle are arranged, and the other end for replying part closes on described the The setting of two holding parts.

Optionally, the measuring head further includes connecting line, and first connector has cavity, and the connecting line is arranged in The cavity, one end of the connecting line are electrically connected with the contact pin, and the other end of the connecting line forms the wire connecting portion, institute It states wire connecting portion and stretches out the cavity.

Optionally, the contact pin is removably connected to first test department.

Optionally, the second perforation is provided on first test department, the contact pin is detachable by second perforation Be connected to first test department.

The embodiments of the present invention additionally provide a kind of test equipment comprising tester and test mentioned above Head, the repertoire with the measuring head, the tester are electrically connected with the wire connecting portion.

Optionally, the measuring head further includes insulating base, fixed plate and installs sliding rail, institute for installing the detection piece It states and is provided with boss on insulating base, the installation sliding rail is connect with the boss, and the detection piece, the boss and described The accommodating space for accommodating second test department is formed between insulating base, the fixed plate and the installation sliding rail connect It connects, and the fixed plate is for fixing the detection piece.

Compared with prior art, the beneficial effect of the utility model embodiment includes, for example:

The measuring head has the first test department and the second test department that can be relatively close or separate, surveys by adjusting first The relative positional relationship in examination portion and the second test department, so that the spacing size between the contact portion of contact pin and the second test department can It adjusting, being placed between contact portion and the second test department for will test part, so that contact portion is electrically connected with detection piece, thus It realizes the Function detection to detection piece, the setting up time of the mode of traditional wired connection can be reduced, and can be improved behaviour The safety and stability of work, this is reasonable in design, practical.

Detailed description of the invention

It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also To obtain other relevant attached drawings according to these attached drawings.

Fig. 1 is the structural schematic diagram of measuring head provided by the embodiment of the utility model；

Fig. 2 is the structural schematic diagram of the first clip provided by the embodiment of the utility model and dependency structure；

Fig. 3 is the cross-sectional view of the first clip provided by the embodiment of the utility model and dependency structure along central axes；

Fig. 4 is the structural schematic diagram of second of clip provided by the embodiment of the utility model and dependency structure；

Fig. 5 is the structural schematic diagram of test equipment provided by the embodiment of the utility model.

Icon: 100- test equipment；10- measuring head；11- clip；The first test department of 111-；1111- second perforates； The second test department of 112-；1121- first perforates；The first connector of 113-；The first holding part of 1131-；1132- cavity；114- Two connectors；The second holding part of 1141-；115- transition part；12- contact pin；121- contact portion；122- wire connecting portion；13- replys part； 50- tester.

Specific embodiment

It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here in attached drawing description and The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.

Therefore, requirement is not intended to limit to the detailed description of the embodiments of the present invention provided in the accompanying drawings below The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all Belong to the range of the utility model protection.

It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.

In the description of the present invention, it should be noted that if occur term " center ", "upper", "lower", " left side ", The orientation or positional relationship of the instructions such as " right side ", "vertical", "horizontal", "inner", "outside" is orientation based on the figure or position Relationship or the utility model product using when the orientation or positional relationship usually put, be merely for convenience of describing this reality It is described with novel with simplified, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific Orientation construction and operation, therefore should not be understood as limiting the present invention.

In addition, being only used for distinguishing description if there is term " first ", " second ", " third " etc., and should not be understood as indicating Or imply relative importance.

In addition, being not offered as requiring component abswolute level or outstanding if there are the terms such as term "horizontal", "vertical", " pendency " It hangs down, but can be slightly tilted.It is not to indicate to be somebody's turn to do if "horizontal" only refers to that its direction is more horizontal with respect to for "vertical" Structure is had to fully horizontally, but can be slightly tilted.

In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, if there is art Language " setting ", " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, be also possible to detachable Connection, or be integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, centre can also be passed through Medium is indirectly connected, and can be the connection inside two elements.It for the ordinary skill in the art, can specific feelings Condition understands the concrete meaning of above-mentioned term in the present invention.

Referring to FIG. 1, present embodiments providing a kind of measuring head 10, comprising:

Clip 11, clip 11 have the first test department 111 and the second test department 112 being oppositely arranged, and the first test department 111 and second test department 112 can be relatively close or separate；

At least two contact pins 12, contact pin 12 are connect with the first test department 111, and at least two tea small cups are along the first preset direction Interval setting, one end of contact pin 12 are provided with the contact portion 121 for being electrically connected with detection piece, and contact pin 12 is provided with and contact portion The wire connecting portion 122 of 121 electrical connections.

What needs to be explained here is that measuring head 10 can be quick by the contact pin 12 being arranged on the first test department 111 Wiring is completed, the first test department 111 and the second test department 112 can be relatively close or separate, so that the contact portion 121 of contact pin 12 It can be contacted with detection piece, so that detection piece be enable to be electrically connected into test loop.In the present embodiment, measuring head 10 is used for Ampere-time characteristic test to air switch, can be rapidly completed test by measuring head 10, the experimental period for avoiding wiring from expending. When it is implemented, can also be used to according to specific implementation environment measuring head 10 diode, battery, test equipment 100 etc. is more Kind component or equipment are incorporated to circuit and carry out wiring, charging, test etc. on the way.

It is understood that the wire connecting portion 122 for connecting with tester 50 is provided on contact pin 12 in the present embodiment, And wire connecting portion 122 is electrically connected with contact portion 121.When it is implemented, can also be arranged according to specific implementation environment wire connecting portion 122 In other positions such as the first test departments 111, wire connecting portion 122 completes the electrical connection of detection piece, and root after being electrically connected with contact portion 121 According to the insulation position of the location-appropriate adjustment measuring head 10 of wire connecting portion 122, to guarantee the safety of operation.

In the present embodiment, detection piece is air switch, and the quantity of contact pin 12, which is two, can correspond to air switch side Contact point avoids multiple wiring, saves the time, and in addition to this quantity of contact pin 12 can also be three, four etc., and multiple slotting Needle 12 can be arranged at least two rows of with array.

In the present embodiment, contact pin 12 is arranged along the first preset direction interval, and the first preset direction is along the width side of clip 11 To extension.When it is implemented, according to specific implementation the first preset direction of environment can also along the directions such as the length of clip 11 or with The width direction angle of clip 11 is arranged.

It is understood that contact pin 12 is made using hard conductive material in the present embodiment.When it is implemented, according to tool Body implementation environment contact pin 12 can partially use insulating materials, and contact portion 121 therein and wire connecting portion 122 use conductive material And be electrically connected above-mentioned the two, contact pin 12 also can be used material flexible and be made.

It should also be noted that, contact pin 12 is rod-like structure in the present embodiment, the one of contact pin 12 is arranged in contact portion 121 There is a contact point on end.When it is implemented, according to specific implementation environment, contact pin 12 can also for Y shape, H-shaped, fork-shaped etc. its His structure, contact portion 121 can have one or more contact points.

Specifically, the measuring head 10 can quickly will test multiple tie points of part while access test circuit, reduce The plenty of time that wiring and operation expend when traditional test mode, and can be improved insulating properties when test, increase operation Safety, this is reasonable in design, practical.

Fig. 1-Fig. 5 is please referred to, optionally, at least two are provided on the second test department 112 for accommodating the of contact pin 12 One perforation 1121, and the first 1,121 1 contact pins 12 of perforation correspond, there is measuring head 10 contact pin 12 to be arranged in the first perforation 1121 and first test department 111 and the second test department 112 contact first state and contact pin 12 be detached from first perforation 1121 And first test department 111 and the second test department 112 separation the second state.

What needs to be explained here is that according to the difference of measuring head 10, when first state is in working condition, the touching of detection piece Point is between the first test department 111 and the second test department 112, and contact pin 12 is arranged in contact or contacts with contact, so that Measuring head 10 makes detection piece be electrically connected to tap into test loop, adjusts measuring head 10 to the second state until measuring head after completing test 10 are detached from detection piece, to complete to test；When the second state is in working condition, contact portion 121 and the contact of detection piece are connect Touching, and the first test department 111 and the second test department 112 will test part clamping, so that measuring head 10 and the connection of detection piece are steady It is fixed, complete to continue after test to be that the first test department 111 and the second test department 112 are separate, thus make clip 11 and contact portion 121 with Detection piece is thoroughly detached from, so that measuring head 10 returns to first state after detection piece completes detection.

What needs to be explained here is that the first perforation 1121 is arranged in the present embodiment, on the second test department 112, inserted for making The second test department 112 is stretched out in the longer part of needle 12, and avoiding contacting between contact pin 12 and the second test department 112 leads to contact pin 12 Or second test department 112 reduced service life.When it is implemented, according to the test object of specific implementation environment, contact pin 12 Length can also be not stretch out the second test department 112.

It should be understood that contact pin 12 and the first perforation 1121 correspond, the structural of the second test department 112 can be improved Energy.When it is implemented, according to specific implementation environment first perforation 1121 quantity can also for one and with multiple contact pins 12 it is whole Body is corresponding.

In addition to this, contact pin 12 can also stretch out the first test department 111 and the second test department 112,111 He of the first test department Second test department 112 is used only for the clamping to detection piece, and contact pin 12 is electrically connected with detection piece.

Please refer to Fig. 1-Fig. 5, clip 11 includes the first connector 113 and the second connector 114, the first connector 113 around Rotational axis line is rotatablely connected with the second connector 114, and rotational axis line is located at the first connector 113 and the second connection Between part 114, the first test department 111 is arranged on the first connector 113, and the second test department 112 is arranged in the second connector 114 On.

What needs to be explained here is that rotational axis line setting is in the first connector 113 and the second connection in the present embodiment Between part 114, so that the first test department 111 and the second test department 112 all have movable ability, so as to improve clip 11 Flexibility.First connector 113 and the second connector 114 form clip 11 by way of rotation connection, easy to operate, Structure is simply for ease of maintenaince.When it is implemented, may be used also according to specific implementation environment the first connector 113 and the second connector 114 To realize the relatively close or separate of the first test department 111 and the second test department 112 by sliding rail, rack-and-pinion etc..

In the present embodiment, the quantity of the first connector 113 is one, and at least two contact pins 12 are arranged at the first connection On part 113, the first connector 113 and the second connector 114 drive at least two contact pin 12 all to rotate when relatively rotating.Specifically It can also be two, three etc. according to the quantity of specific implementation the first connector of environment 113 when implementation, and each first connection Part 113 is correspondingly arranged a contact pin 12, enables the activity of each contact pin 12 relatively independent.

Fig. 1-Fig. 5 is please referred to, the first perforation 1121 is slotted hole, and the first perforation 1121 is along the length direction of clip 11 Extend.

What needs to be explained here is that the first perforation 1121 is set as slotted hole, it is to be able to make contact pin 12 with first The circular motion that connector 113 generates when rotating around rotational axis line can be in the range of the first perforation 1121, so that contact pin 12 can pass through the second test department 112, avoid generating pressure to the second test department 112.When it is implemented, according to specific reality Applying the perforation of environment first 1121 can also be guide groove etc..

Fig. 1-Fig. 5 is please referred to, measuring head 10 further includes replying part 13, and the one end and the first connector 113 for replying part 13 connect It connects or abuts, the other end for replying part 13 connect or abuts with the second connector 114, replys part 13 for making the first test department 111 and second test department 112 have relatively close movement tendency.

It should be noted that reply part 13 is torsional spring, by connecting with the first connector 113 and second in the present embodiment Part 114 connects, so that the first test department 111 and the second test department 112 have movement tendency close to each other or separate.It is specific real Shi Shi, replying part 13 according to specific implementation environment can also be elastic slice, elastic drag rope etc..

It is understood that torsional spring have coil spring part, in order to guarantee using stablize need be torsional spring center of rotation Line is overlapped with rotational axis line, to improve the stability of rotation.Therefore it is needed on the first connector 113 and the second connector 114 Corresponding interconnecting piece is set, this is to those skilled in the art clearly, and details are not described herein again.

Fig. 1-Fig. 5 is please referred to, the first connector 113 has the first holding part 1131, and the second connector 114 has second Holding part 1141, and the end of the first holding part 1131 to reply part 13 distance less than the first test department 111 end to time The distance of copy 13, the end of the second holding part 1141 to reply the distance of part 13 less than the second test department 112 end to time The distance of copy 13.

First holding part 1131 and 111 angle of the first test department are arranged, and the first holding part is closed in the one end for replying part 13 1131 settings；

Second holding part 1141 and 112 angle of the second test department are arranged, and the other end for replying part 13 closes on the second grip Portion 1141 is arranged.

What needs to be explained here is that the end of the first holding part 1131 to reply part 13 distance less than the first test department 111 end is convenient for operating to the distance for replying part 13, in addition to this end of the first holding part 1131 to reply part 13 Distance can also be greater than or equal to the first test department 111 end to reply part 13 distance.First holding part 1131 and The setting of one test department, 111 angle, can increase the chucking power between the first test department 111 and the second test department 112, avoid detecting Part loosens.When it is implemented, can not be formed according to specific implementation environment the first holding part 1131 and the first test department 111 Angle.

Fig. 1-Fig. 5 is please referred to, measuring head 10 further includes connecting line, and the first connector 113 has cavity 1132, connecting line It is arranged in cavity 1132, one end of connecting line is electrically connected with contact pin 12, and the other end of connecting line forms wire connecting portion 122, wire connecting portion 122 stretch out cavity 1132.

What needs to be explained here is that connecting line is used to for contact pin 12 being electrically connected with the equipment of detection, when it is implemented, root It can also be the conductive structures such as sheet metal according to specific implementation ring connecting line.First connector 113 is provided with cavity 1132, can be with Phenomena such as preventing from touching connecting line in experimentation, and connecting line capable of being made to prevent aging.When it is implemented, wire connecting portion 122 can On needle body contact pin 12 is arranged in or on the ontology of the first connector 113, and first by being arranged on the first connector 113 Holding part 1131 realizes the effect of insulation.

It is understood that the first test department 111 is made in the present embodiment of insulating materials, when it is implemented, according to tool The first test department of body implementation environment 111 can also be metallic material, and wire connecting portion 122 can be located at the first test department 111.

Fig. 1-Fig. 5 is please referred to, contact pin 12 is removably connected to the first test department 111.

The second perforation 1111 is provided on first test department 111, contact pin 12 passes through the second removably connection of perforation 1111 In the first test department 111.

What needs to be explained here is that contact pin 12 can be removably attachable to the first test department by the second perforation 1111 On 111, it can be conveniently replaceable contact pin 12, and can be threadedly coupled, be bolted, bayonet lock by setting in the second perforation 1111 Etc. modes connect with the first test department 111.When it is implemented, according to specific implementation environment, contact pin 12 can also pass through sliding slot, cunning Rail etc. is connect with the first test department 111.

Referring to FIG. 4, clip 11 further includes transition part 115, clip 11 is in U-shape, and the first test department 111, transition part 115 It is set gradually with the second test department 112.

The structure what needs to be explained here is that clip 11 is in U-shape, the first test department 111 and the second test department 112 pass through clip The elasticity of 11 self structure can be realized it is opposite close to or far from.In addition to this, the first test department 111 and the second test department 112 can also be rotatablely connected or be slidably connected with transition part 115 to realize the relatively close or separate of the two.

Referring to FIG. 5, the embodiments of the present invention additionally provide a kind of test equipment 100 comprising 50 He of tester Measuring head 10 mentioned above, the repertoire with the measuring head 10, tester 50 are electrically connected with wire connecting portion 122.

Measuring head 10 further includes insulating base, fixed plate and installs sliding rail for installing detection piece, is arranged on insulating base There is boss, installation sliding rail is connect with boss, and is formed between detection piece, boss and insulating base for accommodating the second test department 112 accommodating space, fixed plate are connect with installation sliding rail, and fixed plate is used for fixed test part.

What needs to be explained here is that insulating base can be improved the insulating properties of test, increase the safety of operation.Work as detection After part is connect with installation sliding rail, since the presence of boss to form accommodating space between detection piece and insulating base, convenient for making Second connector 114 can be contacted sufficiently with detection piece, avoid phenomena such as generating slippage when test.

It should be understood that installing sliding rail and fixed plate for the technology of this field due to detection pieces such as installation air switches It is for personnel clearly, so it will not be repeated.When it is implemented, clip can also be passed through according to specific implementation environment measuring part 11, lead screw etc. is arranged on boss.

In conclusion the utility model provides a kind of measuring head 10, it can quickly will test multiple connections of part Test circuit is put while accessing, the plenty of time that wiring and operation expend when reducing traditional test mode, and can be improved survey Insulating properties when examination increases the safety of operation, this is reasonable in design, practical.

It should be noted that in the absence of conflict, the feature in the embodiments of the present invention can be combined with each other.

Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to In this, anyone skilled in the art within the technical scope disclosed by the utility model, the change that can be readily occurred in Change or replace, should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be with described Subject to scope of protection of the claims.

Claims (10)

1. a kind of measuring head characterized by comprising

Clip, the clip have the first test department and the second test department that are oppositely arranged, and first test department and described Second test department can be relatively close or separate；

At least two contact pins, the contact pin are connect with first test department, and at least two contact pins are along the first default side It is arranged to interval, one end of the contact pin is provided with the contact portion for being electrically connected with detection piece, and the contact pin is provided with and institute State the wire connecting portion of contact portion electrical connection.

2. measuring head according to claim 1, which is characterized in that be provided at least two on second test department and be used for The first perforation of the contact pin is accommodated, and first perforation one contact pin corresponds, the measuring head has described insert Needle be arranged in it is described first perforation and first test department and second test department contact first state and it is described insert Needle be detached from first perforation and first test department and second part of detecting from the second state.

3. measuring head according to claim 2, which is characterized in that the clip includes the first connector and the second connection Part, first connector are rotatablely connected with second connector, and the rotational axis line position around rotational axis line Between first connector and the second connector, first test department is arranged on first connector, and described the Two test departments are arranged on second connector.

4. measuring head according to claim 3, which is characterized in that first perforation is slotted hole, and described first wears Hole extends along the length direction of the clip.

5. measuring head according to claim 3, which is characterized in that the measuring head further includes replying part, the reply part One end connect or abut with first connector, it is described reply part the other end connect or support with second connector It connects, the reply part is for making first test department and the second test department have relatively close movement tendency.

6. measuring head according to claim 5, which is characterized in that first connector has the first holding part, described Second connector has the second holding part, and the end of first holding part is less than described first to the distance for replying part To the distance for replying part, the end of second holding part is less than described to the distance for replying part for the end of test department Distance of the end of second test department to the reply part.

7. measuring head according to claim 3, which is characterized in that the measuring head further includes connecting line, and described first connects Fitting has cavity, and the connecting line is arranged in the cavity, and one end of the connecting line is electrically connected with the contact pin, the company The other end of wiring forms the wire connecting portion, and the wire connecting portion stretches out the cavity.

8. measuring head according to claim 1-7, which is characterized in that the contact pin is removably connected to described First test department.

9. measuring head according to claim 8, which is characterized in that be provided with the second perforation, institute on first test department It states contact pin and first test department is removably connected to by second perforation.

10. a kind of test equipment, which is characterized in that including tester and multiple described in any item measuring heads of claim 1-9, The tester is electrically connected with the wire connecting portion.