CN208172100U - Resistance monitor - Google Patents
Resistance monitor Download PDFInfo
- Publication number
- CN208172100U CN208172100U CN201820849245.5U CN201820849245U CN208172100U CN 208172100 U CN208172100 U CN 208172100U CN 201820849245 U CN201820849245 U CN 201820849245U CN 208172100 U CN208172100 U CN 208172100U
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- China
- Prior art keywords
- resistance
- test
- detector ontology
- contact
- warning light
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- 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.)
- Expired - Fee Related
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Abstract
A kind of resistance monitor, it is related to resistance detection field, measuring head including detector ontology and resistance monitor, detector ontology includes resistance test circuit, processor and dial plate, measuring head include test contact, the resistance contact point that contact is used for connecting electronic component is tested, test contact, resistance test circuit, processor, dial plate are sequentially connected electrically；Setting button, display, the first warning light and the second warning light are provided on dial plate, setting button is for being arranged Standard resistance range, and display is used to show the test data of resistance test, when test data is within Standard resistance range, first warning light lights, otherwise the second warning light lights.This resistance meter can not only test out resistance value, moreover it is possible to which whether judge and alarm, by two warning lights, tester can distinguish qualified products and make a response, and substantially reduce work difficulty, substantially increase testing efficiency if meeting the requirements to resistance value.
Description
Technical field
The utility model relates to resistance detection fields, in particular to a kind of resistance monitor measuring head.
Background technique
Current limliting, pressure limiting, shunting, filtering etc. are all related to the resistance value of elements such as coil, resistance on circuit board in circuit,
And the calorific value when resistance value of the element on circuit board is also run with electronic equipment is directly related, it may be said that the resistance value of circuit board
Size has vital effect for the normal operation of electronic equipment.
The resistance value size of element on circuit board need it is well-designed by engineer, in order to meet electronic equipment operation
It is required that the resistance value for the circuit board installed on electronic equipment just must be in scope of design, to guarantee that electronic equipment operates normally.Cause
This, circuit board will be examined by resistance value before factory, and before assembly, filter out the circuit that resistance value meets design requirement
Plate.
Utility model content
The purpose of this utility model is to provide a kind of resistance monitors, carry out for connecting the resistance contact point on circuit board
Resistance test is capable of the resistance contact point of quick connecting electronic component and is tested it.
What the embodiments of the present invention were realized in：
A kind of resistance monitor, the measuring head including detector ontology and resistance monitor, detector ontology includes resistance
Test circuit, processor and dial plate, measuring head include test contact, test contact is used for the resistive touch of connecting electronic component
Point, test contact, resistance test circuit, processor, dial plate are sequentially connected electrically；
Setting button, display, the first warning light and the second warning light are provided on dial plate, setting button is for being arranged resistance
It is worth range, display is used to show the test data of resistance test, and when test data is within Standard resistance range, the first warning light is bright
It rises, otherwise the second warning light lights.
Button settings Standard resistance range is being set before use, first passing through, test contact is connect with resistance contact point then, is handled
Device receives the information that resistance test circuit transmits and is translated into test data, and test data is shown on display, place
Reason device is also to test data compared with the Standard resistance range of setting, when test data is in the Standard resistance range of setting, the first alarm
Lamp lights, and when test data is outside the Standard resistance range of setting, the second warning light is lighted.In order to facilitate identification, and it is conducive to operation
The reflection of personnel's formation condition is made a response rapidly, and the first warning light and the second warning light use different colours, in the present embodiment,
First warning light is using green, and the second warning light is using red.
Further, in the preferred embodiment of the utility model, the edge of detector ontology is provided with dismountable
One sorting box and the second sorting box.
Further, in the preferred embodiment of the utility model, measuring head further includes slide, locator and test bench,
Slide, locator are set to detector ontology, and test bench is slideably positioned in slide, and locator is correspondingly arranged with test bench；Test
Contact is set to side of the test bench close to locator, tests the quantity of contact as one or more.
Further, in the preferred embodiment of the utility model, cavity is equipped with inside slide, test bench is equipped with sliding block,
The cavity of sliding block and slide is slidably matched, and elastic component is additionally provided in cavity, elastic component one end resists detector ontology, the other end supports
The firmly sliding block of test bench.
Further, it in the preferred embodiment of the utility model, is provided in the cavity of slide for adjusting test bench
The regulating part of shift motion, test bench is between detector ontology and regulating part.
Further, in the preferred embodiment of the utility model, screw rod is provided in slide, screw rod is rotatablely installed in inspection
It surveys on instrument ontology, regulating part and screw rod cooperate.
Further, in the preferred embodiment of the utility model, it is provided with micromotor in detector ontology, this is miniature
The output shaft of motor is connect with screw rod.
Further, in the preferred embodiment of the utility model, locator include the first straight flange and the second straight flange, first
Straight flange and the second straight flange form L-shaped structure.
Further, in the preferred embodiment of the utility model, the first straight flange and the second straight flange are mutually disengaged, and first is straight
Side can be slided along the second preset direction, and the second straight flange can be slided along third preset direction.
Further, the locating part of protrusion, locating part are provided in the preferred embodiment of the utility model, on locator
Cooperate with test bench, locating part is equipped with elastic protective cushion.
The beneficial effect of the utility model embodiment is：
This resistance meter can not only test out resistance value, moreover it is possible to judge and warn to whether resistance value meets the requirements
Report, tester need to only distinguish conjunction without recognizing that resistance value again judges it by the first warning light and the second warning light
Whether lattice, tester can make a response quickly, distinguish rapidly, greatly reduce with underproof electronic component to qualification
Work difficulty, substantially increases testing efficiency.
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 the resistance meter provided in the utility model embodiment；
Fig. 2 is the structural schematic diagram at another visual angle of resistance meter provided in the utility model embodiment；
Fig. 3 is the structural schematic diagram at the another visual angle of resistance meter provided in the utility model embodiment；
Fig. 4 is the structural schematic diagram of the locator provided in the utility model embodiment；
Fig. 5 is the structural schematic diagram of the measuring head provided in the utility model embodiment；
Fig. 6 is the schematic diagram of internal structure of the measuring head provided in the utility model embodiment；
Fig. 7 is the schematic diagram of internal structure at another visual angle of measuring head provided in the utility model embodiment；
Fig. 8 is the schematic diagram of internal structure of the slide provided in the utility model embodiment；
Fig. 9 is the structural schematic diagram of the test bench provided in the utility model embodiment.
Icon：100- detector ontology；200- dial plate；300- locator；310- locating part；400- test bench；
410- tests contact；420- sliding block；The first mounting hole of 421-；The second mounting hole of 422-；500- slide；510- anticreep
Part；520- adjustment portion；600- stabiliser bar；700- regulating part；800- screw rod.
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 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 term " on ", "lower", "vertical", "horizontal", "inner",
The orientation or positional relationship of the instructions such as " surface ", " cross ", " perpendicular " is to be based on the orientation or positional relationship shown in the drawings, or be somebody's turn to do
Utility model product using when the orientation or positional relationship usually put, be merely for convenience of description the utility model and simplification retouched
It states, rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation,
Therefore it should not be understood as limiting the present invention.It is retouched in addition, term " first ", " second ", " third " etc. are only used for distinguishing
It states, is not understood to indicate or imply relative importance.
In addition, the terms such as term "horizontal", "vertical" are not offered as requiring component abswolute level or pendency, but can be slightly
Low dip.It is not to indicate that the structure has been had to if "horizontal" only refers to that its direction is more horizontal with respect to for "vertical"
It is complete horizontal, but can be slightly tilted.
In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set
Set ", " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection,
Or it is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, intermediary can also be passed through
It is indirectly connected, can be the connection inside two elements.For the ordinary skill in the art, it can be managed with concrete condition
Solve the concrete meaning of above-mentioned term in the present invention.
It should be noted that：
First preset direction as described below is perpendicular to the plane where locator 300, locator 300 in the present embodiment
The plane at place is approximate horizontal, the first preset direction substantially vertical direction.
Second preset direction as described below is parallel to the second straight flange, and third preset direction as described below is parallel to first
The angle of straight flange, the first straight flange and the second straight flange is equal to the angle on the adjacent both sides of circuit board.Consider that most circuit board is square
Shape plate structure, in the present embodiment, the first straight flange of setting are mutually perpendicular to the second straight flange, and the first preset direction and second is arranged
Preset direction is mutually perpendicular to.
Embodiment
Attached drawing 1, attached drawing 2, attached drawing 3 are please referred to, a kind of resistance monitor is carried out for connecting the resistance contact point on circuit board
Resistance test is capable of the resistance contact point of quick connecting electronic component and is tested it comprising 100 He of detector ontology
The measuring head of resistance monitor.
Attached drawing 1 is please referred to, above-mentioned measuring head includes test contact 410, and test contact 410 is for connecting resistance contact point.
Detector ontology 100 further includes dial plate 200, and the resistance test circuit connecting with test contact 410, resistance test
Circuit connection has processor, which connect with dial plate 200.
Attached drawing 1 is please referred to, setting button, display, the first warning light and the second warning light are provided on dial plate 200, if
Button is set for being arranged Standard resistance range, display is used to show the test data of resistance test, test data Standard resistance range it
When interior, the first warning light is lighted, otherwise the second warning light lights.
Attached drawing 1, attached drawing 2, attached drawing 3 are please referred to, above-mentioned measuring head further includes slide 500, locator 300 and test bench
400, slide 500, locator 300 are set on detector ontology 100, and test bench 400 is slideably positioned on slide 500, above-mentioned
Locator 300 is correspondingly arranged in 400 lower section of test bench；Above-mentioned test contact 410 is set to test bench 400 close to positioning
The side of device 300, the quantity of test contact 410 are one or more.
Attached drawing 5, attached drawing 6 and attached drawing 7 are please referred to, cavity is equipped with inside above-mentioned slide 500, is provided with elastic component in cavity.
Attached drawing 5, attached drawing 6 and attached drawing 7 are please referred to, above-mentioned test bench 400 is equipped with sliding block 420, sliding block 420 and slide 500
Cavity be slidably matched, glide direction be the first preset direction, elastic component one end resists detector ontology 100, the other end resists
The sliding block 420 of test bench 400.
The principle of this resistance monitor：
The measuring head of this resistance monitor is set on detector ontology 100, and detector ontology 100 includes flat seat and stands
Seat, in order to facilitate test operation, the locator 300 and slide 500 of measuring head are set on flat seat, set resistance value model for convenience
Test data is enclosed and observes, dial plate 200 is set on stand.
Button settings Standard resistance range is being set before use, first passing through, is then connecting test contact 410 with resistance contact point,
Processor receives the information that resistance test circuit transmits and is translated into test data, and test number is shown on display
According to, processor is also to test data compared with the Standard resistance range of setting, when test data is in the Standard resistance range of setting, first
Warning light lights, and when test data is outside the Standard resistance range of setting, the second warning light is lighted.In order to facilitate identification, and it is conducive to
The reflection of operator's formation condition is made a response rapidly, and the first warning light and the second warning light use different colours, in this implementation
In example, the first warning light is using green, and the second warning light is using red.
This resistance meter can not only test out resistance value, moreover it is possible to judge and warn to whether resistance value meets the requirements
Report, tester need to only distinguish conjunction without recognizing that resistance value again judges it by the first warning light and the second warning light
Whether lattice, tester can make a response quickly, distinguish rapidly, greatly reduce with underproof electronic component to qualification
Work difficulty, substantially increases testing efficiency.
The principle of this resistance monitor measuring head：
This resistance monitor measuring head has locator 300 and is provided with the test bench 400 of test contact 410, locator
300 circuit board for placing to 100 surface of detector ontology positions, and the contact rapid alignment on circuit board is enable to survey
Contact 410 is tried, then tests contact 410 and circuit close to detector ontology 100 along the first preset direction mobile test seat 400
Contact on plate rapidly and accurately connects, and after the completion of test, test bench 400 is quickly default along first under the supporting role of elastic component
Direction moves away from detector ontology 100, and test bench 400 automatically returns to initial position, is ready for test next time, above-mentioned
Test contact 410 quantity be it is multiple, when circuit board be equipped with multiple resistance when, can simultaneously each resistance is detected,
The mode individually detected in compared with the existing technology, greatly improves work efficiency.
Therefore this resistance meter is combined with this measuring head can substantially reduce difficulty of test, simplify testing procedure, improve
Testing efficiency.
In order to facilitate batch operation, the edge of detector ontology 100 is provided with dismountable first sorting box, the second sorting
Aperture is arranged in box, detector ontology frontside edge, and hook is respectively set in the first sorting box, the second sorting box, and hook is matched with aperture
It closes.
First sorting box does signal based on human body for containing rejected product for containing qualified product, the second sorting box
The characteristics of limbs react out, the first sorting box are correspondingly arranged in the first warning light side, and the second sorting box is correspondingly arranged in second
The side of warning light.When the first warning light lights, electronic component is put into the first sorting box rapidly, when the second warning light lights
When, electronic component is put into the second sorting box rapidly.
Attached drawing 5, attached drawing 8 are please referred to, it is fixed in above-mentioned slide 500 in order to keep test bench 400 more stable when moving
It is provided with stabiliser bar 600, please refers to attached drawing 9, sliding block 420 is equipped with the second mounting hole 422 for allowing stabiliser bar 600 to pass through, asks
Referring to attached drawing 6 and attached drawing 7, elastic component is sheathed on stabiliser bar 600.In the present embodiment, the second mounting hole 422 is arranged symmetrically
Two on sliding block 420, stabiliser bar 600 is two be correspondingly arranged in slide 500.
Attached drawing 5 is please referred to, test bench 400 falls off when return under elastic component effect in order to prevent, and above-mentioned slide 500 is remote
One end from detector ontology 100 is provided with the anti-falling piece 510 for preventing test bench 400 from deviating from.
In order to control test bench 400 at a distance from detector ontology 100, facilitates circuit board shift-in, removes, please refer to attached drawing
8, it is provided with the regulating part 700 for adjusting 400 shift motion of test bench in above-mentioned slide 500, please refers to attached drawing 6 and attached drawing
7, for test bench 400 between detector ontology 100 and regulating part 700, regulating part 700 limits test bench 400 and detector
Maximum distance between ontology 100.
Attached drawing 8 is please referred to, is provided with screw rod 800 in above-mentioned slide 500, please refers to attached drawing 9, the sliding block of test bench 400
420 are equipped with the first mounting hole 421 for allowing screw rod 800 to pass through, and please refer to attached drawing 6, attached drawing 7, attached drawing 8, regulating part 700 and silk
Bar 800 is threadedly engaged.
Attached drawing 8 is please referred to, on detector ontology 100, slide 500 is equipped with sliding slot, adjusts for the above-mentioned rotational installation of screw rod 800
Section part 700 is fixedly connected with sliding part, and sliding part and sliding slot cooperate, and sliding part includes I-shaped block, and sliding slot is equipped with and I-shaped block phase
The raised line of adaptation.
For the ease of adjusting the regulating part 700, attached drawing 8 is please referred to, anti-falling piece 500 is equipped with light round tube hole, screw rod 800
It is stretched out from the light round tube hole, and the convenient adjustment portion 520 rotated manually of end setting, the adjustment portion 520 are fixedly connected
Hex nut, wing nut or handwheel.
For the ease of the adjusting regulating part 700, it is provided with micromotor in detector ontology 100, the micromotor
Output shaft is connect with screw rod 800.
Attached drawing 4 is please referred to, above-mentioned locator 300 includes the first straight flange and the second straight flange, the first straight flange and the second straight flange
Form L-shaped structure.Electronic component such as circuit board, the usually plate of rectangle, by two adjacent right-angle sides of circuit board point
It is not aligned, can quickly fix and locating circuit board with the first straight flange, the second straight flange.In order to facilitate immigration, circuit board is removed,
The neutral gear position of " L " type is on right side and leans on proximal edge side.
Above-mentioned the first straight flange and the second straight flange is respectively arranged on detector ontology 100 and is separated from each other, the first straight flange
It can be slided along the second preset direction, the second straight flange can be slided along third preset direction, by sliding the first straight flange and second respectively
Straight flange can position different size of circuit board, make its contact position alignment test contact 410.When circuit board size is larger,
Farther out apart from board edge, movement makes the first straight flange and the separate test corresponding position in contact 410 of the second straight flange to resistance contact point,
Expand the receiving area of locator 300, so that it is aligned circuit board both sides with the first straight flange, the second straight flange respectively, resistance contact point
Test contact can be just aligned.
It please refers to shown in attached drawing 4, in the present embodiment, the first straight flange is the horizontal edge in attached drawing 4, and the second straight flange is in attached drawing 4
Vertical edge, the second preset direction be the direction A, third preset direction be the direction B.
The locating part 310 of protrusion is provided on above-mentioned locator 300, locating part 310 and test bench 400 cooperate, limitation
Test contact 410 cannot contact 100 surface of detector ontology, or can contact 100 surface of detector ontology just, to keep away
Exempt to test contact 410 and excessively move down to hit 100 surface of detector ontology or shock circuit board.
The protrusion distance of above-mentioned locating part 310 is more than or equal to the length of test contact 410, to test 410 energy of contact
It is enough not contacted with detector ontology 100, or contacted just with detector ontology 100.
In order to protect locating part 310 and test bench 400, and damping and buffer function are played, above-mentioned locating part 310 is equipped with
Elastic protective cushion.
In the utility model, the mechanism to test bench 400 for mobile mechanism and return is not limited, such as：
Linear bearing can also be set in slide 500, and test bench 400 and linear bearing cooperate, and test bench 400 can be above and below linear bearing
Mobile, linear bearing outer cover is equipped with elastic component, and elastic component one end resists pedestal 100, the other end resists 400 surface of test bench,
The trend that elastic component is used to that test bench 400 to be made to have far from 100 homing of pedestal.
This resistance monitor measuring head can quickly position circuit board using locator 300, and the contact pair of circuit board is made
Test contact 410 on quasi- test bench 400, test contact 410 can follow test bench 400 mobile, thus the touching with circuit board
Point connection, after the completion of test, test bench 400 can rapid return, facilitate and tested next time, this resistance monitor measuring head
Can quick detected resistance, and multiple resistance values can be detected simultaneously.
This resistance meter can not only test out resistance value, moreover it is possible to judge and warn to whether resistance value meets the requirements
Report, tester need to only distinguish conjunction without recognizing that resistance value again judges it by the first warning light and the second warning light
Whether lattice, tester can make a response quickly, distinguish rapidly, greatly reduce with underproof electronic component to qualification
Work difficulty, substantially increases testing efficiency.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of resistance monitor, which is characterized in that the measuring head including detector ontology and resistance monitor, the detector
Ontology includes resistance test circuit, processor and dial plate, and the measuring head includes test contact, and test contact is for connecting electricity
The resistance contact point of subcomponent, the test contact, the resistance test circuit, the processor, the dial plate are sequentially connected electrically；
Setting button, display, the first warning light and the second warning light are provided on the dial plate, the setting button is for setting
Standard resistance range is set, the display is used to show the test data of resistance test, when the test data is within Standard resistance range,
First warning light lights, otherwise the second warning light lights.
2. resistance monitor according to claim 1, which is characterized in that the edge of the detector ontology is provided with removable
The the first sorting box and the second sorting box unloaded.
3. resistance monitor according to claim 1, which is characterized in that the measuring head further include slide, locator and
Test bench, the slide, the locator are set to detector ontology, and the test bench is slideably positioned in the slide, described
Locator is correspondingly arranged with the test bench；The test contact is set to side of the test bench close to locator, the test
The quantity of contact is one or more.
4. resistance monitor according to claim 3, which is characterized in that be equipped with cavity, the test inside the slide
Seat is equipped with sliding block, and the cavity of the sliding block and the slide is slidably matched, and elastic component, the elastic component are additionally provided in the cavity
One end resists detector ontology, the other end resists the sliding block of test bench.
5. resistance monitor according to claim 3, which is characterized in that be provided in the cavity of the slide for adjusting
The regulating part of the test bench shift motion, the test bench is between the detector ontology and the regulating part.
6. resistance monitor according to claim 5, which is characterized in that be provided with screw rod, the screw rod in the slide
It is rotatablely installed on the detector ontology, the regulating part and the screw rod cooperate.
7. resistance monitor according to claim 6, which is characterized in that it is provided with micromotor in detector ontology, it should
The output shaft of micromotor is connect with screw rod.
8. resistance monitor according to claim 3, which is characterized in that the locator includes that the first straight flange and second are straight
Side, first straight flange and second straight flange form L-shaped structure.
9. resistance monitor according to claim 8, which is characterized in that first straight flange and second straight flange are mutual
It is detached from, first straight flange can be slided along the second preset direction, and second straight flange can be slided along third preset direction.
10. resistance monitor according to claim 3, which is characterized in that be provided with the limit of protrusion on the locator
Part, the locating part and the test bench cooperate, and the locating part is equipped with elastic protective cushion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820849245.5U CN208172100U (en) | 2018-05-31 | 2018-05-31 | Resistance monitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820849245.5U CN208172100U (en) | 2018-05-31 | 2018-05-31 | Resistance monitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208172100U true CN208172100U (en) | 2018-11-30 |
Family
ID=64365413
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820849245.5U Expired - Fee Related CN208172100U (en) | 2018-05-31 | 2018-05-31 | Resistance monitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208172100U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114387902A (en) * | 2022-01-05 | 2022-04-22 | 蚌埠高华电子股份有限公司 | LCD resistance mark testing matching device and use method |
| CN117590077A (en) * | 2023-11-23 | 2024-02-23 | 青岛凯瑞电子有限公司 | Insulation resistance tester for product shell |
-
2018
- 2018-05-31 CN CN201820849245.5U patent/CN208172100U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114387902A (en) * | 2022-01-05 | 2022-04-22 | 蚌埠高华电子股份有限公司 | LCD resistance mark testing matching device and use method |
| CN114387902B (en) * | 2022-01-05 | 2024-01-12 | 蚌埠高华电子股份有限公司 | LCD resistance identification test matching device and use method |
| CN117590077A (en) * | 2023-11-23 | 2024-02-23 | 青岛凯瑞电子有限公司 | Insulation resistance tester for product shell |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181130 |
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| CF01 | Termination of patent right due to non-payment of annual fee |