CN207067343U - A kind of keyboard detection equipment - Google Patents

A kind of keyboard detection equipment Download PDF

Info

Publication number
CN207067343U
CN207067343U CN201720419742.7U CN201720419742U CN207067343U CN 207067343 U CN207067343 U CN 207067343U CN 201720419742 U CN201720419742 U CN 201720419742U CN 207067343 U CN207067343 U CN 207067343U
Authority
CN
China
Prior art keywords
test department
button
test
detection equipment
power
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201720419742.7U
Other languages
Chinese (zh)
Inventor
华叙国
王振亭
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Darfon Electronics Suzhou Co Ltd
Original Assignee
Darfon Electronics Suzhou Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Darfon Electronics Suzhou Co Ltd filed Critical Darfon Electronics Suzhou Co Ltd
Priority to CN201720419742.7U priority Critical patent/CN207067343U/en
Application granted granted Critical
Publication of CN207067343U publication Critical patent/CN207067343U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Input From Keyboards Or The Like (AREA)

Abstract

The utility model keyboard detection equipment includes control device, drive device, first test department and the second test department, the control device controls first test department to impact first button with the first power, the drive device is used to control second test department to impact first button with the second power, test first button, and first test department and second test department can impact first button respectively, the size of different sizes in second power of first power, so both first button can be tested with first power, the button can also be tested with second power, different power correspondingly tests different projects, realize that keyboard detection equipment can be to the detection of multiple projects of first button, it is convenient, fast, it is simple in construction, it is easy to operate, and cost is relatively low.

Description

A kind of keyboard detection equipment
Technical field
It the utility model is related to electronic component detection equipment field, more particularly to a kind of novel keyboard for detecting keyboard Detection device.
Background technology
Keyboard is most important input equipment in the most frequently used and computer system, makes to touch by the button beaten on keyboard Conductance power on/off, so as to which letter, numeral, punctuation mark etc. are input in computer.At present, in keyboard production, finished product is entered , it is necessary to be impacted to each button during row quality testing, the break-make of its resilience and contact is tested, dynamics will fit during impact In, stroke is consistent, and exerting a force and remove power will complete in moment.
Existing keyboard tester, by the break-make of magnetic valve, to control a counterweight, by the way that counterweight is impacted to first Carry out test signal on button, judge the first button and the whether corresponding conducting of the contactor of the circuit board of keyboard, its detection function It is relatively simple, the on/off function of button can only be tested.
Therefore, it is necessary to a kind of new keyboard detection equipment is designed, to overcome drawbacks described above.
It should be noted that " background technology " paragraph, which is used only to help, understands the utility model content, therefore in " background Content disclosed by technology " paragraph may not form the public affairs in art known to those of ordinary skill comprising some Know technology.In the content disclosed by " background technology " paragraph, the content or the one or more implementations of the utility model are not represented Example problem to be solved, do not represent before the present utility model application known to those of ordinary skill in art yet Dawn or cognition.
Utility model content
The purpose of this utility model is to provide a kind of keyboard detection equipment, can carry out at least two projects to same button Test.
To reach above-mentioned purpose, the utility model provides a kind of keyboard detection equipment, and first for testing keyboard is pressed Key, the keyboard detection equipment include,
Control device;
Drive device;
First test department, it is connected with the control device, realizes movement by the control of the control device, impacted with the first power First button;
Second test department, be connected with the drive device, by the drive device realize move, with the second power impact this first Button, second test department have through hole, and first test department wears the through hole, and second test department and first test department It can relatively move;
Wherein, first power differs in size in the size of second power, and first test department and second test department can First button is impacted respectively to detect the different parameters of first button, and when first test department is tested, and this One test department moves freely in second test department.
Preferably, the size of first power is more than the size of second power.
Preferably, the weight of first test department be more than the weight of second test department so that first power be more than this Two power.
Preferably, first test department includes first and second to be connected, this first with this second along this One directional spreding, this second is arranged in the through hole, and first test department also includes relative first along the first direction End and the second end, the first end are located at this first, and the first end is connected with the control device, and second end is located at this second On, second end be used for impact first button, there is spacing between this first and second test department, with provide this first Test department relative to the second test department movement to impact the space of first button, wherein, the first direction for this first test Portion's movement impacts the direction of first button, and the second direction is perpendicular to the first direction.
Preferably, second test department has relative the 3rd end and the 4th end along the first direction, the 3rd end is with being somebody's turn to do Drive device connects, and the 4th end is used to impact first button.
Preferably, when first test department impacts first button, the 4th end is protruded at second end, with by this Two ends impact first button, and when second test department impacts first button, second end is protruded at the 4th end, with by 4th end impacts first button.
Preferably, the control device controls first test department to carry out the movement of falling object to impact first button.
Preferably, the keyboard detection equipment also includes guide frame, the guide frame is used to guide the first test department edge The first direction moves, and the first direction is the direction that first test department movement impacts first button.
Preferably, first test department and second test department form a test group, the keyboard detection is set It is standby to include multiple test departments, to test multiple first buttons simultaneously.
Preferably, first test department is connected by drag hook or flexible member with the control device.
Preferably, the keyboard detection equipment is used to entering first button, line unit is hard, key is soft, sensitivity, dead key and open/ Close functional item test, wherein, first test department be used for first button is entered line unit is hard, key is soft, sensitivity, dead key and At least within project on/off function project is tested, and second test department is used to carry out first button Key is hard, key is soft, sensitivity, at least within project in dead key and on/off function project are tested, and this first The project that the project of test department test is tested with second test department differs.
Preferably, the control device is magnetic valve, first test department is solid counterweight, and second test department is hollow weight Code, the drive device are removable guide plate.
Compared with prior art, the utility model provides a kind of keyboard detection equipment, including control device, drive device, First test department and the second test department, the control device control first test department to impact first button with the first power, should Drive device is used to control second test department to impact first button with the second power, tests first button, and first survey Examination portion and second test department can impact first button respectively, the size of different sizes in second power of first power, such as This both can test first button with first power, and the button can also be tested with second power, and different power is corresponding to test Different projects, realize that keyboard detection equipment can be to the detection of multiple projects of first button, convenient, fast, structure letter It is single, it is easy to operate, and cost is relatively low.
Brief description of the drawings
Fig. 1 is the structural representation of the keyboard detection equipment 100 of the utility model embodiment.
Fig. 2 is the cross-sectional view of the keyboard detection equipment 100 of the utility model embodiment.
Embodiment
To make to have further understanding to the purpose of this utility model, construction, feature and its function, hereby coordinate embodiment Describe in detail as follows.
Some vocabulary has been used among specification and claims to censure specific element.Have in art Usual skill is, it is to be appreciated that manufacturer may call same element with different nouns.This specification and right will Ask book not in a manner of the difference of title is used as and distinguishes element, but differentiation is used as with the difference of element functionally Criterion.It is open term in the " comprising " of specification in the whole text and claim mentioned in, therefore should be construed to " including but It is not limited to ".
Fig. 1 is the structural representation of the keyboard detection equipment 100 of the utility model embodiment, and Fig. 2 is that the utility model is real Apply the cross-sectional view of the keyboard detection equipment 100 of example.As depicted in figs. 1 and 2, keyboard detection equipment 100 is used to test First button 200 of keyboard, for example, the first button 200 is entered line unit is hard, key is soft, sensitivity (including insensitive and excessively sensitive), Situations such as on/off function of dead key and key, is detected.Illustrate, the first button 200 can be on any electronic installation Button, for example, keyboard, projection arrangement, display device, tablet personal computer, mobile phone, game machine, the button on intelligent watch, but It is not limited.Keyboard detection equipment 100 includes control device 11, drive device 12, the first test department 13 and the second test Portion 14, control device 11 is used to control the first test department 13 to impact the first button 200 with the first power, to test the first button 200, Such as test the first button 200 key it is hard, drive device 12 be used for control the second test department 14 with the second power impact the first button 200, test the first button 200, such as test the first button 200 key it is soft, and the first test department 13 and the second test department 14 can The first button 200, and the size of different sizes in second power of first power are impacted respectively, then the first test department 13 can be used for First button 200 is entered line unit is hard, key is soft, sensitivity, at least within project in dead key and on/off function project Tested, the second test department 14 can be used for entering the first button 200 line unit is hard, key is soft, sensitivity, dead key and ON/OFF work( At least within project in energy project is tested, and relative and second test department of first test department test is surveyed The project of examination differs, and so both can test the first button 200 with first power, can also test this with second power and press Key, different power correspondingly test different projects, realize that keyboard detection equipment 100 can be to multiple projects of the first button 200 Detection, also, when the first test department 13 and the second test department 14 detect to the first button 200 respectively, the first button 200 without shift position, i.e., after the first test department 13 has tested the first button 200, without moving the position of the first button 200 again Put, can be convenient and swift to test the first button 200 by the second test department 14;In addition, the utility model keyboard detection equipment 100 realize with two different power the first buttons 200 of test, compared to using same test department by two different test departments The structural device that the first button 200 is tested with two kinds of different power is realized, the utility model structure is more simple, easy to control, behaviour Make, and cost is relatively low.The concrete structure and function of each element of keyboard detection equipment 100 are described in detail below.
Control device 11 is connected with the first test department 13, and control device 11 controls the first test department 13 to move in the first direction It is dynamic, the first button 200 is impacted with the first power, so as to realize the first button 200 of test.In the present embodiment, control device 11 controls First test department 13 carries out the movement of falling object (imitating human hand clicking operation), to impact the first button 200.In this way, this first The size of power determines by the weight and the drop of the first test department 13 of the first test department 13, but under normal circumstances, in order to The accuracy for forcing in the first button 200 is improved, the drop of the first test department 13 is smaller, thus the size of first power Mainly by the Weight control of the first test department 13.Control device 11 is, for example, magnetic valve, is controlled by the power on/off of magnetic valve The movement of first test department 13, specifically, when the magnetic valve powers off, the freely falling body of the first test department 13, to impact first Button 200, when the solenoid valves, the first test department 13 resets, that is, moves up, away from the first button 200, wherein, control Device 11 processed can be connected by snap fit with the first test department 13.Certainly, in another embodiment, control device 11 passes through spring It is connected with the first test department 13, when control device 11 is powered, control device 11 overcomes the power of the spring and carries out freely falling body Motion, to test the first button 200, when control device 11 powers off, the weight of first test department of spring overcoming 13 causes the One test department 13 resets.In addition, in another embodiment, control device 11 can directly drive the first test department 13 and move, and Moving up and down and move up and down with the first test department 13, or control device 11 include moving parts, the moving parts with Moving up and down and moving up and down for the first test department 13, but be not limited, specifically by designer according to actual conditions and It is fixed, it will not be repeated here.
Drive device 12, it is connected with the second test department 14, drive device 12 drives the second test department 14 towards the first button 200 movements, the first button 200 is impacted with the second power, realizes the test of the first button 200.The structure of drive device 12 and effect Principle can be identical with control device 11, can also be different.In the present embodiment, drive device 12 directly drives the second test department 14 Motion, and moving up and down and move up and down with the second test department 14, or control device 11 includes moving parts, the movement Part is moved up and down and moved up and down with the second test department 14, the size of second power by the weight of the second test department 14 with And drive device 12 is applied to the power decision of the second test department 14, generally for the size for being easy to control second power, Yi Jishe The reduction of cost is counted, the size of second power is determined by the weight of the second test department 14.Wherein, in the present embodiment, the first test Portion 13 varies in weight in the weight of the second test department 14, so that first power is of different sizes in the big of second power It is small.It should be strongly noted that the drive device 12 of such a structure can preferably control the moving direction of the second test department 14, Particularly when the first test department 13 by the movement of falling object to impact the first button 200 when, it is preferable by drive device 12 The moving direction of the first test department 13 can further be limited by limiting the second test department 14 of moving direction, that is, limit the first test Portion 13 moves along the first direction, but is not limited.
First test department 13, movement is realized by the control of control device 11, to impact the first button along the first direction 200.Further, as depicted in figs. 1 and 2, the first test department 13 includes the end of first end 131 and second relative in the first direction 132, first end 131 is connected with control device 11, and the second end 132 is used to impact the first button 200.Further, the first test Portion 13 includes first 133 and second 134 to be connected, and first 133 and second 134 is distributed along the first direction, and second Portion 134 is arranged in the second test department 14, and on first 133, the second end 132 is located on second 134 first end 131, and First 133 size in a second direction is more than first 133 in the size in the second direction, and the second direction is perpendicular to this First direction, also, when being arranged in the second test department 14 for second 134, have between first 133 and the second test department 14 Spacing, moved with providing the first test department 13 relative to the second test department 14 to impact the mobile space of the first button 200, i.e., when the When one test department 13 is tested, the first test department is in own movement in the second test department 14, and first 133 and second is tested The cooperation in portion 14 can also be used to limiting the amplitude peak that is moved relative to the second test department 14 of the first test department 13, but not as Limit.In the present embodiment, first 133 and second 134 is cylinder type, and the size (such as diameter) of first 133 is more than The size of second 134, but be not limited, first 133 and second 134 can also be different shape, may be selected from pros Body, cuboid, prism, it is defined so that the function can be achieved, it is no longer superfluous herein specifically by designer depending on actual conditions State.
Second test department 14, movement is realized by the driving of drive device 12, to impact the first button along the first direction 200.Further, as shown in figure 1, the second test department 14 has relative the 3rd end 141 and the 4th end 142 along the first direction And the through hole 143 at the 4th end 142 is extended to from the 3rd end 141, the 3rd end 141 is connected with drive device 12, the 4th end 142 compared with 3rd end is close to the first button, and for impacting the first button 200, through hole 143 is used to wear for second 134 of the first test department 13 Cross, i.e., second 134 is arranged in through hole 143, and the second test department 14 and the first test department 13 can relatively move, to realize first The test department 14 of test department 13 and second can impact the first button 200 respectively, i.e., impact the first button 200 respectively with different power. Further, through hole 143 is set along the first direction, and the shape of through hole 143, size are preferably mutually matched with second 132, Preferably to limit the distance of the relative movement of the first test department 13 and the second test department 14, and limit the first test department 13 and the The relative movement direction of two test departments 14 be along the first direction, or along with the first party in the opposite direction.
In actual test, it is downward that first test department of the control of control device 11,13 relative second test department 14 can be first passed through (that is, along the first direction) is mobile, the second end 132 of the first test department 13 is protruded the 4th end 142, with by the second end 132 The first button 200 is impacted, realizes the first button 200 of test;Then, the second test department 14 of driving of drive device 12 relative the is passed through One test department 13 is mobile (that is, along the first direction) downwards, and the second end 132 is protruded at the 4th end 142 of the second test department 14, with by First button 200 is impacted by the 4th end 142, realizes the first button 200 of test.Certainly, keyboard tester 100 can also first lead to Cross the second test department 14 and impact the first button 200, the first button 200 is then impacted by the first test department 13 again, specifically by setting Meter personnel will not be repeated here depending on actual conditions.In the present embodiment, first power is more than second power, then this first Power for example can be used on/off function, key firmly and dead key test, second power for example can be used for the soft sensitivity test of key, Specifically by designer depending on actual conditions, it will not be repeated here.Certainly, in other embodiment, keyboard detection equipment 100 can also be arranged to:First power is less than second power, specifically by designer depending on actual conditions, herein no longer Repeat.
Further, the weight of the first test department 13 is more than the weight of the second test department 14 so that the size of first power is big In the size of second power, but it is not limited, specifically by designer depending on actual conditions, will not be repeated here.
Further, in addition to guide frame 15, moved for guiding the first test department 13 along the first direction, further , guide frame 15 and first 133 mutual cooperation, moved with guiding the first test department 13 along the first direction, but not with this It is limited, specifically by designer depending on actual conditions, will not be repeated here.
Further, the first button 200 have the first press surface, the first test department 13 and the second test department 14 in this first The projection of press surface is respectively positioned on first press surface, preferably, the first test department 13 and the second test department 14 first are pressed in this The projection of pressure surface is respectively positioned in the range of first press surface, and can be tested respectively with the first test department 13 and the second test department 14 One button 200 is defined, in this way, when the first test department 13 and the second test department 14 are tested the first button 200 respectively, without moving The position of dynamic first button 200, test get up it is convenient and swift, specifically by designer depending on actual conditions.Preferably, with First test department illustrates exemplified by being connected with control device by way of hook, the hook, the center of the first test department 13 The center of gravity of axle, the central shaft of second test department 14 and first press surface point-blank, with preparation applies pressure to One button 200, the first button 200 of test is realized, specifically by designer depending on actual conditions, will not be repeated here.
In practical application, an electronic installation generally includes multiple first buttons 200, in order to improve efficiency, to realize The plurality of first button is tested simultaneously, the utility model keyboard detection equipment 100 can include multiple test groups, with same When test the plurality of first button, wherein, first test department 13 and second test department 14 form a test group.Need Illustrate, Fig. 1 and Fig. 2 only illustrate 3 test groups, are not limited.Further, multiple first test departments 13 can share One control device 11, can also individually use a control device 11, and multiple second test departments 14 can share one Drive device 12, can also individually use a drive device 12, and in the present embodiment, multiple first test departments 13 are single respectively A control device 11 solely is used, multiple second test departments 14 share a drive device 12, specifically by designer according to reality Depending on the situation of border, it will not be repeated here.
In practical application, the first test department 13 can be solid counterweight, and the second test department 14 can be hollow counterweight, drive Dynamic device 12 can be removable guide plate, specifically by designer depending on actual conditions, will not be repeated here.
To sum up, the utility model keyboard detection equipment includes control device, drive device, the first test department and the second survey Examination portion, the control device control first test department to impact first button with the first power, the drive device be used to controlling this Two test departments impact first button with the second power, test first button, and first test department and second test department can First button is impacted respectively, the size of different sizes in second power of first power, so can both be surveyed with first power First button is tried, the button can also be tested with second power, different power correspondingly tests different projects, realizes that keyboard is examined Measurement equipment can be convenient, fast to the detection of multiple projects of first button, simple in construction, easy to operate, and cost is relatively low.
The utility model is described by above-mentioned related embodiment, but above-described embodiment is only to implement the utility model Example.It must be noted that the embodiment disclosed is not limiting as the scope of the utility model.On the contrary, this is not being departed from The change and retouching made in the spirit and scope of utility model, belong to scope of patent protection of the present utility model.

Claims (12)

  1. A kind of 1. keyboard detection equipment, for testing the first button of keyboard, it is characterised in that the keyboard detection equipment includes,
    Control device;
    Drive device;
    First test department, be connected with the control device, movement realized by the control of the control device, with the first power impact this One button;And
    Second test department, it is connected with the drive device, realizes and move by the drive device, impacting this with the second power first presses Key, second test department have through hole, and first test department wears the through hole, and second test department and first test department can Relative movement;
    Wherein, first power differs in size in the size of second power, and first test department and second test department can be distinguished First button is impacted to detect the different parameters of first button, and when first test department is tested, first survey Examination portion moves freely in second test department.
  2. 2. keyboard detection equipment as claimed in claim 1, it is characterised in that the size of first power is more than the big of second power It is small.
  3. 3. keyboard detection equipment as claimed in claim 1, it is characterised in that the weight of first test department is more than second survey The weight in examination portion, so that first power is more than second power.
  4. 4. keyboard detection equipment as claimed in claim 1, it is characterised in that first test department include be connected first and Second, this first and this second is distributed in the first direction, and this second is arranged in the through hole, and first test department is also Including the relative first end along the first direction and the second end, the first end is located at this first, the first end and the control Device connects, and second end is located on this second, and second end is used to impact first button, this first and second survey There is spacing, to provide first test department relative to the second test department movement to impact the sky of first button between examination portion Between, wherein, the first direction is the direction that first test department movement impacts first button.
  5. 5. keyboard detection equipment as claimed in claim 4, it is characterised in that second test department has phase along the first direction To the 3rd end and the 4th end, the 3rd end is connected with the drive device, and the 4th end is used to impact first button.
  6. 6. keyboard detection equipment as claimed in claim 5, it is characterised in that when first test department impacts first button When, the 4th end is protruded at second end, to impact first button by second end, when second test department impact this first During button, second end is protruded at the 4th end, to impact first button by the 4th end.
  7. 7. keyboard detection equipment as claimed in claim 1, it is characterised in that the control device controls first test department to carry out The movement of falling object is to impact first button.
  8. 8. keyboard detection equipment as claimed in claim 1, it is characterised in that the keyboard detection equipment also includes guide frame, The guide frame moves along the first direction for guiding first test department, and the first direction is first test department movement impact The direction of first button.
  9. 9. keyboard detection equipment as claimed in claim 1, it is characterised in that first test department and second survey Examination portion forms a test group, and the keyboard detection equipment includes multiple test departments, to test multiple first buttons simultaneously.
  10. 10. keyboard detection equipment as claimed in claim 1, it is characterised in that first test department is by drag hook or elasticity Element is connected with the control device.
  11. 11. keyboard detection equipment as claimed in claim 1, it is characterised in that the keyboard detection equipment is used to first press this Key enter line unit is hard, key is soft, sensitivity, dead key and on/off function project testing, wherein, first test department be used for this One button enters that line unit is hard, key is soft, sensitivity, at least within project in dead key and on/off function project are surveyed Examination, second test department be used to entering first button line unit is hard, key is soft, sensitivity, in dead key and on/off function project A project at least within is tested, and the project that the project of first test department test is tested with second test department is not It is identical.
  12. 12. the keyboard detection equipment as described in any one of claim 1 to 11, it is characterised in that the control device is magnetic valve, First test department is solid counterweight, and second test department is hollow counterweight, and the drive device is removable guide plate.
CN201720419742.7U 2017-04-20 2017-04-20 A kind of keyboard detection equipment Active CN207067343U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720419742.7U CN207067343U (en) 2017-04-20 2017-04-20 A kind of keyboard detection equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720419742.7U CN207067343U (en) 2017-04-20 2017-04-20 A kind of keyboard detection equipment

Publications (1)

Publication Number Publication Date
CN207067343U true CN207067343U (en) 2018-03-02

Family

ID=61502231

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720419742.7U Active CN207067343U (en) 2017-04-20 2017-04-20 A kind of keyboard detection equipment

Country Status (1)

Country Link
CN (1) CN207067343U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106970320A (en) * 2017-04-20 2017-07-21 苏州达方电子有限公司 A kind of keyboard detection equipment

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106970320A (en) * 2017-04-20 2017-07-21 苏州达方电子有限公司 A kind of keyboard detection equipment

Similar Documents

Publication Publication Date Title
US8462107B2 (en) Pointing device and method with error prevention features
CN202770964U (en) Novel keyboard detection device
CN104062181B (en) Test device for acquiring normal contact rigidity of joint surface, and modeling method
KR20160078352A (en) Latency measuring and testing system and method
EP2037349A3 (en) Input apparatus
CN104165612A (en) Novel displacement sensor transformation and amplification device
CN207067343U (en) A kind of keyboard detection equipment
CN201689134U (en) System for detecting touch screen film
CN106970320A (en) A kind of keyboard detection equipment
CN207540898U (en) A kind of liquid medicine bag compression testing machine
CN204202518U (en) A kind of device detecting workpiece size
CN102607376B (en) Device is surveyed in the letter of spheroid circularity
CN102099773A (en) Indicator and position detection device
CN211426098U (en) Pressure testing device for optimizing loading force of pressure head tool
CN205880150U (en) Test machine is pressed to full intelligence
CN206974682U (en) Mobile phone side key strength test machine
CN213336821U (en) Test module
CN102768108A (en) Switch service life testing device
CN110736416A (en) Flatness detection ruler and method for prefabricated shear wall
CN203929598U (en) A kind of Portable type full-automatic testing device for friction coefficient
RU2301439C1 (en) Three-dimensional micro-joystick
CN210572242U (en) Pressure testing device
CN213456063U (en) Test system for measuring key stroke and force
CN202485616U (en) Sphere roundness detector
CN106019134B (en) A kind of full intelligence pressing test machine

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant