CN218726509U - Detection device - Google Patents
Detection device Download PDFInfo
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- CN218726509U CN218726509U CN202222944870.7U CN202222944870U CN218726509U CN 218726509 U CN218726509 U CN 218726509U CN 202222944870 U CN202222944870 U CN 202222944870U CN 218726509 U CN218726509 U CN 218726509U
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Abstract
The present disclosure relates to a detection device for detecting corrosion resistance of an electrical contact, the detection device including: a sampling part for fixing an electric contact to be detected; a containing part for containing a detection liquid; a detection portion for forming a detection circuit with the electrical contact; a drive mechanism configured to enable the sampling portion to move between a first position in which the electrical contact on the sampling portion is able to contact the detection liquid in the housing portion and a second position in which the electrical contact on the sampling portion is able to form a detection circuit with the detection portion. The detection process is systematized and standardized, the detection device is simple and easy to operate, the problems of poor controllability and incapability of standardization of manual operation are solved, and the accuracy of the corrosion resistance detection result of the electric contact piece is improved.
Description
Technical Field
The present disclosure relates to the field of detection technology, and particularly to a detection device.
Background
Current wearable electronics, such as headsets, watches, athletic bracelets, and the like, typically provide electrical contacts (e.g., pogo pins) on the electronic to charge the device. When the wearable electronic product is used, the electrical contact on the wearable electronic product can contact the skin of a user, sweat inevitably remains on the electrical contact, and an electrolytic reaction is easy to occur after the power is supplied, so that the electrical contact is subjected to electrolytic corrosion. In the prior art, in order to detect the corrosion resistance of the electrical contact, a cotton swab is generally used for dipping artificial sweat and smearing the sweat on the surface of the electrical contact, then the electrical contact is electrified, and the corrosion condition of the surface of the electrical contact is observed.
However, the above detection process is too dependent on personal operation and judgment, and the controllability of the detection process is poor, and the detection process cannot be standardized.
Disclosure of Invention
To overcome the problems in the related art, the present disclosure provides a detection apparatus.
The present disclosure provides a detection apparatus for corrosion resistance detection of an electrical contact, the detection apparatus comprising:
a sampling part for fixing an electric contact to be detected;
a containing part for containing a detection liquid;
a detection portion for forming a detection circuit with the electrical contact;
a drive mechanism configured to enable the sampling portion to move between a first position in which the electrical contact on the sampling portion is able to contact the detection liquid in the housing and a second position in which the electrical contact on the sampling portion is able to form a detection circuit with the detection portion.
In some embodiments of the present disclosure, the sampling portion includes a clamping fixture for clamping the electrical contact, the clamping fixture includes a first clamping portion, a second clamping portion, and an elastic member, the electrical contact can be clamped between the first clamping portion and the second clamping portion, and the elastic member is configured to provide an elastic force to the first clamping portion to press the second clamping portion.
In some embodiments of the present disclosure, the electrical contact has two contacts, and the first clamping portion or the second clamping portion conductively connects the two contacts.
In some embodiments of the present disclosure, the driving mechanism includes a first slide rail and a second slide rail slidably engaged with the first slide rail, and the sampling portion is disposed on the second slide rail;
the first slide rail is configured to guide movement of the second slide rail between a third position in which the sampling portion corresponds to the accommodating portion position and a fourth position in which the sampling portion corresponds to the detection portion position;
the second slide rail is configured to guide, in the third position, movement of the sampling portion between the first position and a fifth position away from the accommodating portion, and to guide, in the fourth position, movement of the sampling portion between the second position and a sixth position away from the detection portion.
In some embodiments of the disclosure, the accommodating portion includes a carrier and a plurality of accommodating portions disposed on the carrier, and the accommodating portion is used for accommodating the detection liquid, or the accommodating portion is used for accommodating a container of the detection liquid.
In some embodiments of the present disclosure, the accommodating portions are arranged in a plurality along a first direction, and the first direction forms an included angle with an extending direction of the first slide rail;
the detection device further comprises a third sliding rail, the third sliding rail extends along the first direction, and the bearing piece is in sliding fit with the third sliding rail.
In some embodiments of the present disclosure, the first slide rail is a motorized slide rail; and/or the presence of a gas in the gas,
the second slide rail is an electric slide rail; and/or the presence of a gas in the atmosphere,
the third slide rail is an electric slide rail.
In some embodiments of the present disclosure, the accommodating portions are arranged in plurality along a second direction, and the second direction is parallel to an extending direction of the first slide rail.
In some embodiments of the present disclosure, the detection part includes:
the conductive contact base is provided with an electric contact point used for being in contact with the electric contact piece;
a power source;
and the connecting lead is used for connecting the electric contact point with the power supply.
In some embodiments of the present disclosure, an indication device is disposed on the connection lead.
In some embodiments of the present disclosure, the sensing part further includes a current sensing device connected between the conductive contact socket and the power supply.
In some embodiments of the present disclosure, the detection apparatus further comprises a position detection device for detecting the position of the electrical contact.
The technical scheme provided by the embodiment of the disclosure can have the following beneficial effects: the detection device is provided with the driving mechanism, so that the sampling part can move between a first position and a second position, the electric contact on the sampling part can be in contact with detection liquid in the accommodating part at the first position, and the electric contact on the sampling part can form a detection loop with the detection part at the second position, so that the detection flow is systematized and standardized, the detection device does not need manual operation, the problems of poor controllability and incapability of standardization during manual operation are avoided, and the accuracy of the corrosion resistance detection result of the electric contact is improved.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.
FIG. 1 is a schematic view of an electrical contact;
FIG. 2 is a schematic diagram illustrating the structure of a detection device according to an exemplary embodiment;
fig. 3 is a schematic structural view of a clamping jig according to an exemplary embodiment;
FIG. 4 is a schematic top view of a receptacle shown according to an exemplary embodiment.
In the figure:
100. an electrical contact; 110. a contact head; 200. a sampling section; 210. clamping the jig; 211. a first clamping portion; 212. a second clamping portion; 300. a receptacle portion; 310. a carrier; 320. a receptacle portion; 330. a third slide rail; 400. a conductive contact base; 410. an electrical contact point; 500. a drive mechanism; 510. a first slide rail; 520. a second slide rail.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the invention, as detailed in the appended claims.
In the related art, in order to detect the corrosion resistance of the electrical contact, a cotton swab is usually used to dip artificial sweat and spread the sweat on the surface of the electrical contact, and then the electrical contact is electrified to observe the corrosion of the surface of the electrical contact. The detection process of the electric contact piece is too dependent on personal operation and personal judgment, so that the detection process of the electric contact piece has the problems of poor controllability and incapability of standardization.
In order to solve the technical problem, the present disclosure provides a detection apparatus, which is provided with a driving mechanism configured to enable the sampling portion to move between a first position and a second position, in the first position, the electrical contact on the sampling portion can be in contact with the detection liquid in the accommodating portion, in the second position, the electrical contact on the sampling portion and the detection portion can form a detection loop, so that manual operation is not required, the problems of poor controllability and incapability of standardization in a detection process can be effectively avoided, and the accuracy of a corrosion resistance detection result of the electrical contact can be improved.
An exemplary embodiment of the present disclosure provides a detection apparatus, as shown in fig. 1 to 4, for performing corrosion resistance detection on an electrical contact 100, where the electrical contact 100 may be, for example, a Pogo Pin, or other structures for achieving electrical contact. The detecting device includes a sampling portion 200, a receiving portion 300, a detecting portion, and a driving mechanism 500. Wherein the sampling portion 200 is used to secure the electrical contact 100 to be tested. The accommodating portion 300 is used for accommodating the detection liquid. The detection portion is used to form a detection loop with the electrical contact 100. The drive mechanism 500 is configured to enable the sampling portion 200 to move between a first position in which the electrical contact 100 on the sampling portion 200 can be in contact with the test liquid in the housing 300, and a second position in which the electrical contact 100 on the sampling portion 200 can form a test circuit with the test portion. The sampling portion 200 may be, for example, a lever-type clamping structure or a straight-bar-type translational clamping structure, and the number of the sampling portions 200 is not limited in this disclosure, and may be one or more. The sampling portion 200 is used for fixing the electrical contact 100 to be detected, and when the electrical contact 100 to be detected is multiple, each sampling portion 200 corresponds to one electrical contact 100 to be detected and fixes the same.
The receiving portion 300 may be a plate-shaped structure provided with holes, for example, and it is understood that the plate-shaped structure described herein may be a flat plate, and may also be other plate-shaped structures such as a curved plate, a wave plate, etc., which is not limited by the present disclosure. The receptacle 300 may be a grooved container, and the container may have a rectangular or oval shape. The container 300 may be used to contain the detection liquid directly or a vessel containing the detection liquid. The number of receptacles 300 is not limited by the present disclosure, and may be one or more. When the accommodating portion 300 is provided in plural, the liquids accommodated therein may be the same or different.
The detection part and the electric contact 100 form a detection loop, the real-time electrification performance of the electric contact 100 in a liquid adhesion detection state can be tested, and the measured data (such as current data) is transmitted to the control end, so that the change condition of the conductivity of the electric contact 100 can be determined according to the change of the data, manual observation is not relied, and the obtained detection result is more standard and accurate.
The driving mechanism 500 may be a mechanical link mechanism, a slide rail and slide bar combined structure, or other structures that enable the sampling portion 200 to move between the first position and the second position, and does not need to manually paint detection liquid on the electrical contact 100 to be detected or manually move the electrical contact 100, so that the corrosion resistance detection process of the electrical contact 100 is systematically standardized, the problems of poor controllability and incapability of standardization during manual operation are avoided, and the accuracy of the corrosion resistance detection result of the electrical contact 100 is improved.
In one embodiment, as shown in fig. 2 and 3, the sampling portion 200 of the inspection apparatus includes a clamping fixture 210 for clamping the electrical contact 100. The clamping jig 210 includes a first clamping portion 211, a second clamping portion 212, and an elastic member (not shown), wherein the electrical contact 100 can be clamped between the first clamping portion 211 and the second clamping portion 212, and the elastic member is used for providing an elastic force to the first clamping portion 211 to press the second clamping portion 212. The first clamping portion 211 and the second clamping portion 212 are oppositely arranged, and the elastic element is arranged inside the structure of the first clamping portion 211 so that the first clamping portion 211 presses the second clamping portion 212, and the electric contact 100 is inserted between the first clamping portion 211 and the second clamping portion 212 to be fixed, thereby ensuring that the clamping jig 210 can tightly clamp the electric contact 100 to be detected. The clamping jig 210 may be provided in one or more numbers, and the specific number is not limited in this disclosure, so that the detection device can detect a plurality of electrical contacts 100, thereby improving the detection efficiency. In addition, the clamping fixture 210 may further include a plastic housing disposed outside the first clamping portion 211, the second clamping portion 212 and the elastic member, so as to protect the internal structure well.
In one embodiment, as shown in fig. 1 and 3, the electrical contact 100 has two contact heads 110, and the first clamping portion 211 or the second clamping portion 212 electrically connects the two contact heads 110. For example, a metal conductive column may be disposed on the first clamping portion 211 or the second clamping portion 212, and when the clamping fixture 210 clamps the electrical contact 100, the metal conductive column is connected to both the contact heads 110 of the electrical contact 100 in an abutting manner, that is, the two contact heads 110 are electrically connected. In other embodiments, a conductive metal sheet may be disposed on the first clamping portion 211 or the second clamping portion 212, and when the clamping fixture 210 clamps the electrical contact 100, the conductive metal sheet is connected to the two contact heads 110 of the electrical contact 100 in an abutting manner, so as to connect the two contact heads 110 in an electrically conductive manner. In this way, the two contact heads 110 of the electrical contact 100 can be connected in series into a detection circuit, so as to perform subsequent corrosion resistance detection on the electrical contact 100.
An exemplary embodiment of the present disclosure provides a detection apparatus, as shown in fig. 2, a driving mechanism 500 thereon includes a first sliding rail 510 and a second sliding rail 520 slidably engaged with the first sliding rail 510, and a sampling portion 200 is disposed on the second sliding rail 520. The first slide rail 510 is configured to guide the movement of the second slide rail 520 between a third position where the sampling part 200 corresponds to the accommodating part 300 and a fourth position where the sampling part 200 corresponds to the detection part. The second slide rail 520 is configured to guide, in the third position, the movement of the sampling part 200 between the first position and the fifth position distant from the accommodating part 300, and to guide, in the fourth position, the movement of the sampling part 200 between the second position and the sixth position distant from the detection part. Therefore, the electric contact 100 passes through the first position, the fifth position, the sixth position and the second position in sequence, the surface of the electric contact 100 is contacted with the detection liquid and then is connected into the detection loop, the detection process is completed, the movement process is repeated according to the detection requirement, and the electric contact 100 to be detected is detected for multiple times. The problems of poor controllability and incapability of standardization in manual operation are solved, and the detection efficiency and the accuracy of a detection result are improved.
An exemplary embodiment of the disclosure provides a detection apparatus, as shown in fig. 4, a container 300 thereon includes a carrier 310 and a plurality of containers 320 disposed on the carrier 310, wherein the containers 320 are used for containing detection liquid, or the containers 320 are used for containing containers of detection liquid. Illustratively, the detection liquid can be acidic artificial sweat or alkaline artificial sweat, and the solution comprises the following components according to ISO 3160-2, wherein the component proportions of the acidic artificial sweat are 0.45g/L of L-histidine-hydrochloride, 5g/L of sodium chloride, 2.2g/L of disodium hydrogen phosphate hydrate and 1.0g/L of lactic acid; the solution pH was adjusted to 4.7 using sodium hydroxide (NaOH). For alkaline artificial sweat, the solution comprises 0.45g/L of L-histidine-hydrochloride, 5g/L of sodium chloride, 5g/L of disodium hydrogen phosphate hydrate and 1.0g/L of lactic acid; the pH of the solution was adjusted to 8.8 using sodium hydroxide (NaOH). The main components of the acidic artificial sweat and the alkaline artificial sweat are sodium chloride. For example, the carrier 310 may be a plate-shaped structure, and it is understood that the plate-shaped structure described herein may be a flat plate, and may also be other plate-shaped structures such as a curved plate, a wave plate, etc., which is not limited by the present disclosure. In addition, the plate-shaped carrier 310 is more easily available, thereby reducing the production cost of the detection apparatus. A plurality of accommodating portions 320 are disposed on the carrier 310, and the accommodating portions 320 may be holes, for example, in which a container containing the detection liquid may be clamped; the receiving portion 320 may also be a groove, and the detection liquid may be directly poured into the groove, or a container containing the detection liquid may be placed in the groove. The accommodating parts 320 are provided in a plurality, and in the detection process, after the detection liquid in one accommodating part 320 is used up, the driving mechanism 500 and the sampling part 200 can be controlled to enable the electric contact 100 to be detected to be in contact with other accommodating parts 320 containing the detection liquid, so that the detection is not required to be stopped, the detection liquid is poured again, and the corrosion resistance detection efficiency of the electric contact 100 is improved. When the corrosion resistance of the plurality of electrical contacts 100 is detected, the electrical contacts 100 and the accommodating parts 320 can be in one-to-one correspondence, so that the electrical contacts 100 can simultaneously contact with detection liquid and simultaneously detect, and the detection efficiency is improved.
In one embodiment, as shown in fig. 4, the accommodating portions 320 are disposed along a first direction, and the first direction forms an included angle with an extending direction of the first sliding rail 510. The detecting device further includes a third sliding rail 330, the third sliding rail 330 extends along the first direction, and the bearing member 310 is slidably engaged with the third sliding rail 330. For example, the first direction may be arranged at an angle of 90 ° with the extending direction of the first sliding rail 510, and the accommodating portion 320 is arranged in a plurality along the first direction, when the current accommodating portion 320 has insufficient detection liquid, the carrier 310 slides on the third sliding rail 330, and moves the other accommodating portions 320 with sufficient detection liquid to the position right below the first sliding rail 510. It is advantageous to replenish the detection liquid in the receiving portion 300 in time.
An exemplary embodiment of the present disclosure provides a detection apparatus, as shown in fig. 2 and 4, the first sliding rail 510, the second sliding rail 520, and the third sliding rail 330 are electric sliding rails. The first sliding rail 510, the second sliding rail 520 and the third sliding rail 330 can be controlled by the control end to operate in a unified manner, so that the detection process is automated.
In one embodiment, as shown in fig. 2 and 4, the accommodating portions 320 are disposed along a second direction, and the second direction is parallel to the extending direction of the first sliding rail 510. When the detection liquid in the accommodating portion 320 is insufficient, the position of the second slide rail 520 on the first slide rail 510 can be timely adjusted, so that the electrical contact 100 to be detected is aligned with the accommodating portion 320 with sufficient detection liquid, and the detection liquid does not need to be supplemented after the detection is stopped, thereby improving the detection efficiency. When the corrosion resistance of the plurality of electrical contacts 100 is detected, the electrical contacts 100 may correspond to the accommodating portions 320 one by one, so that the electrical contacts 100 simultaneously contact the detection liquid and simultaneously detect, thereby improving the detection efficiency.
An exemplary embodiment of the present disclosure provides a detection apparatus, as shown in fig. 2, the detection part including: conductive contact 400, a power source (not shown), and connecting leads (not shown). The conductive contact socket 400 is provided with an electrical contact point 410 for contacting with the electrical contact 100, the conductive contact socket 400 is made of an insulating material, and the conductive contact socket 400 has a rectangular parallelepiped shape, a cylindrical shape, and the like. Connecting wires are used to connect the electrical contacts 410 to a power source. The power source, connecting wires, electrical contact 410, and electrical contact 100 together form a sensing circuit. The data of the current-carrying time, current-carrying times, etc. in the detection loop are transmitted to the control end, so that the corrosion resistance of the electrical contact 100 can be judged according to the data of the detection loop.
In one embodiment, the connecting lead is provided with an indicating device. Illustratively, an indicator light is provided on the connecting wire, for example, to detect whether the electrical contact 100 is in sufficient contact with the electrical contact point 410, and the indicator light is lit when the electrical contact 100 is in sufficient contact with the electrical contact point 410, and the indicator light is not lit when the electrical contact 100 is not in sufficient contact with the electrical contact point 410. The arrangement is beneficial to quickly judging whether the electric contact piece 100 is in sufficient contact with the electric contact point 410 or not, and the detection efficiency of the detection device is improved.
In an embodiment, the detecting portion further includes a current detecting device, the current detecting device is connected between the conductive contact base 400 and the power supply, and is configured to precisely control the current of the detection loop, and the range of the current can be controlled to be 20 to 500mA, so that the electrical contact 100 to be detected is subjected to electrolytic reactions of different degrees, and the current data change of the detection loop is recorded, which is beneficial to ensuring the accuracy of the detection result.
In one embodiment, the detection apparatus further includes a position detection device for detecting the position of the electrical contact 100, the detection device may be, for example, an infrared searchlight, an ultrasonic sensor, a laser sensor, etc., and may detect whether the electrical contact 100 is in sufficient contact with the detection liquid and whether the electrical contact 100 is in sufficient contact with the electrical contact 410 on the conductive contact base 400, and transmit the result to the control end, and the control end is capable of adjusting the positions of the sampling portion 200, the accommodating portion 300, and the detection portion in real time according to information provided by the position detection device, so as to ensure that the electrical contact 100 is in sufficient contact with the detection liquid and the electrical contact 410 on the conductive contact base 400, which is beneficial to improving the accuracy of the corrosion resistance detection result of the electrical contact 100. Illustratively, the detection device includes an infrared emitting portion and an infrared receiving portion, which are oppositely disposed, when the electrical contact 100 moves to a position contacting with the detection liquid, the electrical contact 100 blocks the infrared ray emitted by the infrared emitting portion, and the infrared receiving portion does not receive the infrared signal, indicating that the electrical contact 100 is contacting with the detection liquid, and when the electrical contact 100 does not move to the position contacting with the detection liquid, the infrared receiving portion can receive the infrared signal emitted by the infrared emitting portion, and the electrical contact 100 is not contacting with the detection liquid.
In one embodiment, an isolation structure, such as a glass cover, may be provided on the exterior of the test device to help prevent the test liquid from evaporating during testing of the electrical contact 100.
In one embodiment, the detection device comprises a control end for controlling all the detection devices, and in addition, data of the detection devices are transmitted to the control end, such as contact time and contact times of the electric contact 100 with detection liquid, electrification time, current and electrification times of a detection circuit, and the like, so that the corrosion resistance condition of the electric contact 100 can be objectively judged.
Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.
It will be understood that the invention is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the invention is limited only by the appended claims.
Claims (12)
1. A testing apparatus for testing corrosion resistance of an electrical contact, the testing apparatus comprising:
a sampling part for fixing an electric contact to be detected;
a containing part for containing a detection liquid;
a detection portion for forming a detection circuit with the electrical contact;
a drive mechanism configured to enable the sampling portion to move between a first position in which the electrical contact on the sampling portion is able to contact the corrosive liquid in the housing and a second position in which the electrical contact on the sampling portion is able to form a detection circuit with the detection portion.
2. The detecting device according to claim 1, wherein the sampling portion includes a clamping jig for clamping the electrical contact, the clamping jig including a first clamping portion, a second clamping portion, and an elastic member, the electrical contact being capable of being clamped between the first clamping portion and the second clamping portion, the elastic member being configured to provide the first clamping portion with an elastic force that presses against the second clamping portion.
3. The testing device of claim 2, wherein the electrical contact has two contact tips, and wherein the first clamping portion or the second clamping portion conductively connects the two contact tips.
4. The detection device according to claim 1, wherein the driving mechanism comprises a first slide rail and a second slide rail slidably engaged with the first slide rail, and the sampling portion is disposed on the second slide rail;
the first slide rail is configured to guide movement of the second slide rail between a third position in which the sampling portion corresponds to the accommodating portion position and a fourth position in which the sampling portion corresponds to the detection portion position;
the second slide rail is configured to guide, in the third position, movement of the sampling portion between the first position and a fifth position away from the accommodating portion, and to guide, in the fourth position, movement of the sampling portion between the second position and a sixth position away from the detection portion.
5. The testing device of claim 4, wherein the receiving portion comprises a carrier and a plurality of receiving portions disposed on the carrier, the receiving portions configured to receive the testing liquid or a container of the testing liquid.
6. The detecting device according to claim 5, wherein the accommodating portions are arranged in a plurality along a first direction, and the first direction is arranged at an angle with respect to the extending direction of the first slide rail;
the detection device further comprises a third sliding rail, the third sliding rail extends along the first direction, and the bearing piece is in sliding fit with the third sliding rail.
7. The detection device according to claim 6, wherein the first slide rail is a motorized slide rail; and/or the presence of a gas in the gas,
the second slide rail is an electric slide rail; and/or the presence of a gas in the gas,
the third slide rail is an electric slide rail.
8. The detection device according to claim 5, wherein the accommodating portions are arranged in plurality in a second direction parallel to an extending direction of the first slide rail.
9. The detection device according to claim 1, wherein the detection section includes:
the conductive contact base is provided with an electric contact point used for being in contact with the electric contact piece;
a power source;
and a connecting wire for connecting the electrical contact with the power supply.
10. The detection apparatus according to claim 9, wherein an indication device is provided on the connection lead.
11. The detecting device according to claim 9, wherein the detecting portion further includes a current detecting means connected between the conductive contact base and the power source.
12. The detection apparatus according to claim 1, further comprising position detection means for detecting the position of the electrical contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222944870.7U CN218726509U (en) | 2022-11-03 | 2022-11-03 | Detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222944870.7U CN218726509U (en) | 2022-11-03 | 2022-11-03 | Detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218726509U true CN218726509U (en) | 2023-03-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202222944870.7U Active CN218726509U (en) | 2022-11-03 | 2022-11-03 | Detection device |
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| CN (1) | CN218726509U (en) |
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