CN220544401U - Connector and biochip reading device - Google Patents
Connector and biochip reading device Download PDFInfo
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- CN220544401U CN220544401U CN202322252993.9U CN202322252993U CN220544401U CN 220544401 U CN220544401 U CN 220544401U CN 202322252993 U CN202322252993 U CN 202322252993U CN 220544401 U CN220544401 U CN 220544401U
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- 238000000018 DNA microarray Methods 0.000 title claims abstract description 111
- 238000001514 detection method Methods 0.000 claims abstract description 68
- 238000003780 insertion Methods 0.000 claims abstract description 46
- 230000037431 insertion Effects 0.000 claims abstract description 46
- 238000000605 extraction Methods 0.000 claims abstract description 7
- 238000010586 diagram Methods 0.000 description 4
- 230000003044 adaptive effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model provides a connector and a biochip reading apparatus. The connector is used for realizing the electrical connection between the signal processing module of the biochip reading apparatus and the biochip, and the biochip is provided with an insertion part on which an electrical connection terminal is formed. The connector includes a connector housing, in which: the first contact spring piece and the first terminal form a first switch in a first insertion and extraction detection circuit of the signal processing module, and the first switch is respectively in a first state and a second state when the insertion part is in an insertion state and an extraction state; and the second terminals are equal to the electric connection terminals in number, are connected with corresponding reading pins of the signal processing module and are used for being connected with corresponding electric connection terminals. The biochip reading apparatus comprises the connector. According to the utility model, the problems of low efficiency and long time consumption of the biochip reading apparatus in the related art when the biochip reading apparatus is used for acquiring a large number of detection results can be solved.
Description
Technical Field
The present utility model relates to a connector for a biochip reading apparatus, and more particularly, to a connector for a biochip reading apparatus and a biochip reading apparatus including the same.
Background
In the related art, after a biochip is used to detect a related item, a detection result of the biochip needs to be acquired by a corresponding biochip reading apparatus. Specifically, the operating principle of the biochip reading apparatus is mainly: after the external connection part of the biochip is inserted into the biochip reading device, the signal processing module of the biochip reading device is electrically connected with the biochip, after a user presses the detection result display button of the biochip reading device once, the signal processing module acquires the detection result of the biochip or acquires the intermediate detection result of the biochip first and then acquires the final detection result based on the intermediate detection result, and the detection result is displayed by the display module of the biochip reading device.
However, although the user can acquire the detection result relatively quickly through the biochip reading apparatus, when there are many biochips to be read, the user is required to press the detection result display button once after each time the biochip is inserted into the biochip reading apparatus to acquire the detection result. This manual input of the detection result acquisition instruction results in the above-described biochip reading apparatus being inefficient and time-consuming for acquisition of a large number of detection results.
Disclosure of Invention
The utility model aims to solve the problems of low efficiency and long time consumption of a biochip reading apparatus in the related art when the biochip reading apparatus is used for acquiring a large amount of detection results.
In order to achieve the above object, the present utility model provides a connector applied to a biochip reading apparatus and a biochip reading apparatus including the same.
According to a first aspect of the present utility model, there is provided a connector applied to a biochip reading apparatus for achieving electrical connection of a signal processing module of the biochip reading apparatus with a biochip having an insertion portion on which a plurality of electrical connection terminals are formed;
the connector includes a connector housing allowing the insertion portion to be inserted and extracted, and the connector housing is provided therein with:
the first contact spring piece and the first terminal form a first switch in a first plug-in detection circuit of the signal processing module, and the first switch is in a first state when the insertion part is in an insertion state and is in a second state when the insertion part is in a withdrawal state;
and the second terminals are equal to the electric connection terminals in number, are connected with corresponding reading pins of the signal processing module and are used for being connected with corresponding electric connection terminals.
Alternatively, the connector housing has an open first end face through which the insertion portion is inserted into or extracted from the connector housing;
the second terminal has a lead-out end connected with a corresponding read pin of the signal processing module, and a contact portion for contacting with a corresponding electrical connection terminal.
Optionally, the connector housing further has a second end surface opposite the first end surface, and a bottom plate;
first mounting grooves equal to the second terminals are formed from the second end face toward the inside of the connector housing, the second terminals are disposed in the corresponding first mounting grooves, and the distance between the contact portions and the bottom plate is not greater than the thickness of the insertion portion.
Optionally, the connector housing further has a first side wall, a second mounting groove and a third mounting groove are formed on the first side wall, the first contact spring is disposed in the second mounting groove from a direction in which the first end face is located, and the first terminal is disposed in the third mounting groove from a direction in which the second end face is located.
Optionally, there is further provided within the connector housing:
the second contact spring piece and the third terminal form a second switch in a second insertion and extraction detection circuit of the signal processing module, and the second switch is in a first state when the insertion part is in an insertion state and is in a second state when the insertion part is in an extraction state.
Optionally, the connector housing further has a second side wall opposite to the first side wall, a fourth mounting groove and a fifth mounting groove are formed on the second side wall, the second contact spring is disposed in the fourth mounting groove from the direction where the first end face is located, and the third terminal is disposed in the fifth mounting groove from the direction where the second end face is located.
Alternatively, the first contact spring and the second contact spring have the same structure;
the first contact spring piece comprises a base and an elastic piece connected with the base, the base is arranged in the second mounting groove, a gap is reserved between the elastic piece and the first terminal, and the elastic piece is in contact with the first terminal when the insertion part is in an insertion state.
Alternatively, the leading-out end of the second terminal is electrically connected with a corresponding reading pin of the signal processing module through a bonding pad on a main board of the biochip reading device;
the bottom surface of the connector shell is provided with a bulge or a concave hole for enabling the connector shell to be connected with the mainboard in a plugging mode.
According to a second aspect of the present utility model, there is provided a biochip reading apparatus comprising a biochip reading apparatus body and the connector described above applied to the biochip reading apparatus;
the biochip reading device main body comprises a reading device shell, a main board, a signal processing module and a display module, wherein the main board and the signal processing module are arranged in the reading device shell, the display module is embedded on the reading device shell, the signal processing module and the display module are both arranged on the main board, and the connector is embedded on the reading device shell and the first end face of the connector shell is exposed;
the first plug detection circuit further comprises a first resistor arranged on the main board, a first end of the first resistor is connected with the VCC end of the main board, a second end of the first resistor is connected with a first external end of the first switch, a second external end of the first switch is connected with the GND end of the main board, and a first detection pin of the signal processing module is connected between the second end of the first resistor and the first external end of the first switch;
the second plug detection circuit further comprises a second resistor arranged on the main board, a first end of the second resistor is connected with the VCC end of the main board, a second end of the second resistor is connected with a first external end of the second switch, a second external end of the second switch is connected with the GND end of the main board, and a second detection pin of the signal processing module is connected between the second end of the second resistor and the first external end of the second switch;
the reading pin of the signal processing module is connected with the leading-out end of the corresponding second terminal, and the detection result output pin of the signal processing module is connected with the display module.
The utility model has the beneficial effects that:
with the biochip reading apparatus employing the connector of the present utility model, when the insertion portion of the biochip is inserted into the connector housing, the first switch in the first insertion/removal detection circuit, which is constituted by the first contact spring and the first terminal, is switched from the second state to the first state, and the signal processing module determines that the insertion portion of the biochip is inserted into the connector housing according to a state change of the first switch from the second state to the first state, and enters a data reading mode in which the biochip is a data source; meanwhile, the data reading path of the signal processing module is already established when the insertion portion of the biochip is inserted into the connector housing, that is, the reading pins of the signal processing module are electrically connected with the biochip sequentially through the second terminal and the electrical connection terminal. So far, the signal processing module entering the data reading mode can acquire the detection result based on the corresponding data reading path.
From the above, it is apparent that the biochip reading apparatus employing the connector of the present utility model can automatically obtain the detection result of the biochip when the insertion portion of the biochip is inserted into the connector housing, without requiring the user to press the detection result display button once after the biochip is inserted therein as in the biochip reading apparatus of the related art. The automatic detection result acquisition mode may not obviously optimize the acquisition efficiency and the acquisition time consumption in a single detection result acquisition scene, but can definitely effectively improve the acquisition efficiency of the detection result on the whole level in a scene of needing to acquire a large number of detection results, shorten the acquisition time of the detection results, and further effectively solve the problems of low efficiency and long time consumption of a biochip reading device in the related art when the biochip reading device is used for acquiring a large number of detection results.
Additional features and advantages of the utility model will be set forth in the detailed description which follows.
Drawings
The utility model may be better understood by referring to the following description in conjunction with the accompanying drawings in which the same or similar reference numerals are used throughout the several drawings to designate the same or similar components.
Fig. 1 shows a perspective structural schematic view of a connector applied to a biochip reading apparatus according to an embodiment of the utility model;
fig. 2 shows an exploded view of a connector applied to a biochip reading apparatus in a perspective state according to an embodiment of the present utility model;
FIG. 3 shows a schematic diagram of a split structure of a biochip according to an embodiment of the utility model;
FIG. 4 shows a schematic distribution of first and second protrusions on a connector according to an embodiment of the utility model;
fig. 5 shows a schematic diagram of a first plug detection circuit according to an embodiment of the utility model.
Detailed Description
In order that those skilled in the art will more fully understand the technical solutions of the present utility model, exemplary embodiments of the present utility model will be described more fully and in detail below with reference to the accompanying drawings. It should be apparent that the following description of one or more embodiments of the utility model is merely one or more of the specific ways in which the technical solutions of the utility model may be implemented and is not intended to be exhaustive. It should be understood that the technical solution of the present utility model may be implemented in other ways belonging to one general inventive concept, and should not be limited by the exemplary described embodiments. All other embodiments, which may be made by one or more embodiments of the utility model without inventive faculty, are intended to be within the scope of the utility model.
Examples: fig. 1 shows a perspective structural schematic view of a connector applied to a biochip reading apparatus according to an embodiment of the present utility model, fig. 2 shows an exploded view of the connector applied to the biochip reading apparatus according to an embodiment of the present utility model in a perspective state, and fig. 3 shows a split structural schematic view of a biochip according to an embodiment of the present utility model.
Referring to fig. 1 to 3, the connector according to the embodiment of the present utility model is used to electrically connect a signal processing module of a biochip reading apparatus with a biochip;
the biochip comprises a box body 1 and a biochip body 2 arranged in the box body 1;
the top of the box body 1 is opened, and an insertion part supporting area 11 exceeding the side wall of the box body 1 is formed on the front end of the bottom plate of the box body 1;
the biochip body 2 is arranged in the box body 1, a biochip pin lead-out wire exposing area 21 is formed at the front end of the biochip body 2, four biochip pin lead-out wires 22 are distributed on the biochip pin lead-out wire exposing area 21, the four biochip pin lead-out wires 22 are respectively led out by corresponding data output pins of the biochip, and the biochip pin lead-out wires 22 are electric connection terminals on the insertion part of the biochip;
the insertion portion support region 11 and the biochip pin-out wire exposure region 21 together constitute an insertion portion of the biochip.
The connector of the embodiment of the utility model comprises a connector housing 3, a first end face 31 of the connector housing 3 is arranged in an open manner to allow an insertion portion of a biochip to be inserted into and pulled out of the connector housing 3;
the connector housing 3 is provided with:
the first contact spring piece 4 and the first terminal 5 are connected into a first plug detection circuit of the signal processing module and form a first switch, when the inserting part of the biochip is inserted into the connector housing 3 from the first end face 31, the first contact spring piece 4 which is originally separated is contacted with the first terminal 5, namely the first switch is changed from open to closed, and when the inserting part of the biochip is pulled out of the connector housing 3 from the first end face 31, the first contact spring piece 4 which is originally contacted is separated from the first terminal 5, namely the first switch is changed from closed to open;
four second terminals 6, the second terminals 6 being connected to respective read pins of the signal processing module and for connection to respective biochip pin-out wires 22.
Specifically, in the embodiment of the present utility model, the second terminal 6 has the lead-out end 61 and the contact portion 62, wherein the lead-out end 61 is connected to the corresponding read pin of the signal processing module, and the contact portion 62 is for contact with the corresponding biochip pin-out wire 22.
Further, in the embodiment of the present utility model, the connector housing 3 further has a second end face 32 opposite to the first end face 31, and a bottom plate 33;
four first mounting grooves are formed from the second end face 32 toward the inside of the connector housing 3, the second terminals 6 are disposed in the respective first mounting grooves and the distance between the contact portions 62 of the second terminals 6 and the bottom plate 33 is not greater than the thickness of the insertion portion.
Specifically, in the embodiment of the present utility model, the second terminal 6 has a capability of being elastically deformed to a certain extent, and the contact portion 62 of the second terminal 6 may contact the bottom plate 33, or may leave a certain gap between the contact portion and the bottom plate 33, but the thickness of the gap cannot be greater than the thickness of the insertion portion, which would otherwise result in that the contact portion 62 cannot contact the corresponding biochip pin-out wire 22 when the insertion portion is inserted into the connector housing 3.
Still further, in the embodiment of the present utility model, the lead-out end 61 of the second terminal 6 exceeds the second end face 32.
Still further, in the embodiment of the present utility model, the connector housing 3 further has a first side wall 34, a second mounting groove and a third mounting groove are formed on the first side wall 34, the first contact spring 4 is disposed in the second mounting groove from the direction of the first end face 31, and the first terminal 5 is disposed in the third mounting groove from the direction of the second end face 32.
Still further, in the embodiment of the present utility model, the connector housing 3 is further provided with:
the second contact spring 7 and the third terminal 8 are connected into a second plug detection circuit of the signal processing module and form a second switch, when the inserting part of the biochip is inserted into the connector housing 3 from the first end face 31, the originally separated second contact spring 7 is contacted with the third terminal 8, namely, the second switch is changed from open to closed, and when the inserting part of the biochip is pulled out of the connector housing 3 from the first end face 31, the originally contacted second contact spring 7 is separated from the third terminal 8, namely, the second switch is changed from closed to open.
Still further, in the embodiment of the present utility model, the connector housing 3 further has a second side wall 35 opposite to the first side wall 34, a fourth mounting groove and a fifth mounting groove are formed on the second side wall 35, the second contact spring 7 is disposed in the fourth mounting groove from the direction of the first end face 31, and the third terminal 8 is disposed in the fifth mounting groove from the direction of the second end face 32.
Still further, in the embodiment of the present utility model, the first contact spring 4 and the second contact spring 7 have the same structure and are arranged in mirror image;
the first contact spring 4 includes a base 41 and an elastic member 42 connected to the base 41, the base 41 being disposed in the second mounting groove, the elastic member 42 having a gap with the first terminal 5 and being in contact with the first terminal 5 under the force of the insertion portion.
Still further, in the embodiment of the present utility model, the first terminal 5 and the third terminal 8 are identical in structure and are arranged in mirror image.
Correspondingly, on the basis of the connector provided by the embodiment of the utility model, the embodiment of the utility model also provides a biochip reading device adopting the connector.
Fig. 4 is a schematic diagram showing the distribution of the first bump and the second bump on the connector according to the embodiment of the present utility model, and fig. 5 is a schematic diagram showing the first plug detection circuit according to the embodiment of the present utility model. Referring to fig. 4 and 5, the biochip reading apparatus according to the embodiment of the utility model includes a reading apparatus housing, a main board and a signal processing module disposed in the reading apparatus housing, and a display module embedded in the reading apparatus housing, both the signal processing module and the display module being disposed on the main board, a connector being embedded in the reading apparatus housing and a first end face 31 of the connector housing 3 being exposed;
the leading-out end 61 of the second terminal 6 is electrically connected with a corresponding reading pin of the signal processing module through a bonding pad on the main board;
the bottom surface of the connector housing 3 is provided with a first protrusion 36 and a second protrusion 37, a first concave hole matched with the first protrusion 36 and a second concave hole matched with the second protrusion 37 are arranged at the corresponding positions of the main board, and the connector and the main board are connected in a plugging manner through the protrusions and the concave holes matched with each other.
The first plug detection circuit further comprises a first resistor R1 arranged on the main board, wherein a first end of the first resistor R1 is connected with a VCC end of the main board, a second end of the first resistor R1 is connected with a first external end of the first switch SW1, a second external end of the first switch SW1 is connected with a GND end of the main board, and a first detection pin of the signal processing module is connected between the second end of the first resistor R1 and the first external end of the first switch SW 1;
the second plug detection circuit further comprises a second resistor arranged on the main board, a first end of the second resistor is connected with the VCC end of the main board, a second end of the second resistor is connected with a first external end of the second switch, a second external end of the second switch is connected with the GND end of the main board, and a second detection pin of the signal processing module is connected between the second end of the second resistor and the first external end of the second switch;
the detection result output pin of the signal processing module is connected with the display module.
Specifically, in the embodiment of the present utility model, the first protrusion 36 on the bottom surface of the connector housing 3 is matched with the first concave hole on the motherboard, the second protrusion 37 on the bottom surface of the connector housing 3 is matched with the second concave hole on the motherboard, and the connector housing 3 and the motherboard can be connected in a plugging manner through two pairs of matched protrusions and concave holes. On one hand, the connector has good structural stability when a user inserts and pulls out the biochip with great force; on the other hand, the possible defect of connection reliability between the lead-out terminal 61 of the second terminal 6 and the bonding pad on the motherboard can be made up, so as to improve the reliability of electrical connection between the lead-out terminal 61 of the second terminal 6 and the corresponding reading pin of the signal processing module.
Specifically, in the embodiment of the utility model, the principle of the signal processing module for performing plug detection on the biochip is as follows:
when the biochip is not inserted into the connector housing 3, the first contact spring 4 is not in contact with the first terminal 5, i.e. the first switch SW1 is in an off state, and at this time, the first detection pin of the signal processing module is disconnected from the GND terminal, and no current flows from the first detection pin of the signal processing module to the GND terminal;
when the biochip is inserted into the connector housing 3, the first contact spring 4 is stressed to deform and contact with the first terminal 5, that is, the first switch SW1 is turned into a closed state, at this time, the first detection pin of the signal processing module is conducted with the GND terminal, and current flows from the first detection pin of the signal processing module to the GND terminal;
namely, when the signal processing module detects that the first detection pin is converted from a non-external output current signal to an external output current signal, the insertion of the biochip is judged; when the signal processing module detects that the first detection pin is converted from an external output current signal to a non-external output current signal, the biochip is judged to be pulled out;
the detection principle of the second detection pin is the same as that of the first detection pin;
when the signal processing module judges that the biochip is inserted, the data reading mode is entered, which comprises the operations of signal excitation and data acquisition on the biochip.
Specifically, in the embodiment of the present utility model, for the first plug detection circuit connected to the first detection pin and the second plug detection circuit connected to the second detection pin, the circuits thereof may be flexibly set, so long as the structure of any plug detection circuit is set so that when the switch state in the circuit changes, the potential of the corresponding detection pin changes synchronously.
The signal processing module in the embodiment of the utility model can realize the plugging detection of the biochip through the potential change of any detection pin. The first detection pin, the second detection pin and the corresponding plug detection circuit are arranged at the same time, so that redundant detection can be realized, the reliability of detection is further improved, and the possibility of false triggering is reduced.
The biochip reading device of the embodiment of the utility model can realize a full-automatic detection mode and timely acquire the plugging state of the biochip due to the adoption of the corresponding connector, and can more accurately control the output time and sampling time of the excitation signal when the biochip is plugged.
In the biochip reading apparatus according to the embodiment of the present utility model, the technical means for solving the technical problems is structural improvement, including the structure of the connector and the wire routing related to the insertion/extraction detection circuit. As a person skilled in the art should know, in the process of solving the technical problem by using the biochip reading apparatus according to the embodiment of the present utility model, on the basis of improving the related structure, an adaptive adjustment is further required for the logic of the signal processing module, but the adaptive adjustment is capable of being performed by a person skilled in the art. Further, those skilled in the art are fully enabled to find processor products on the market which can perform the corresponding functions. Thus, the adaptation of the logic of the signal processing module involved in practicing embodiments of the present utility model should not be seen as an improvement to the method.
Although one or more embodiments of the present utility model have been described above, it will be appreciated by those of ordinary skill in the art that the utility model can be embodied in any other form without departing from the spirit or scope thereof. The above-described embodiments are therefore intended to be illustrative rather than limiting, and many modifications and substitutions will now be apparent to those of ordinary skill in the art without departing from the spirit and scope of the present utility model as defined in the appended claims.
Claims (9)
1. A connector applied to a biochip reading apparatus, characterized in that it is used to realize electrical connection of a signal processing module of the biochip reading apparatus and a biochip having an insertion portion on which a plurality of electrical connection terminals are formed;
the connector includes a connector housing allowing the insertion portion to be inserted and extracted, and the connector housing is provided therein with:
the first contact spring piece and the first terminal form a first switch in a first plug-in detection circuit of the signal processing module, and the first switch is in a first state when the insertion part is in an insertion state and is in a second state when the insertion part is in a withdrawal state;
and the second terminals are equal to the electric connection terminals in number, are connected with corresponding reading pins of the signal processing module and are used for being connected with corresponding electric connection terminals.
2. The connector applied to the biochip reading apparatus according to claim 1, wherein the connector housing has an open first end face through which the insertion portion is inserted into or extracted from the connector housing;
the second terminal has a lead-out end connected with a corresponding read pin of the signal processing module, and a contact portion for contacting with a corresponding electrical connection terminal.
3. The connector applied to a biochip reading apparatus according to claim 2, wherein the connector housing further has a second end face opposite to the first end face, and a bottom plate;
first mounting grooves equal to the second terminals are formed from the second end face toward the inside of the connector housing, the second terminals are disposed in the corresponding first mounting grooves, and the distance between the contact portions and the bottom plate is not greater than the thickness of the insertion portion.
4. The connector for a biochip reading apparatus according to claim 3, wherein the connector housing further has a first side wall on which a second mounting groove and a third mounting groove are formed, the first contact spring is disposed in the second mounting groove from a direction in which the first end face is located, and the first terminal is disposed in the third mounting groove from a direction in which the second end face is located.
5. The connector applied to the biochip reading apparatus according to claim 4, wherein there is further provided within the connector housing:
the second contact spring piece and the third terminal form a second switch in a second insertion and extraction detection circuit of the signal processing module, and the second switch is in a first state when the insertion part is in an insertion state and is in a second state when the insertion part is in an extraction state.
6. The connector according to claim 5, wherein the connector housing further has a second side wall opposite to the first side wall, a fourth mounting groove and a fifth mounting groove are formed on the second side wall, the second contact spring is disposed in the fourth mounting groove from a direction in which the first end face is located, and the third terminal is disposed in the fifth mounting groove from a direction in which the second end face is located.
7. The connector applied to the biochip reading apparatus according to claim 6, wherein the first contact spring and the second contact spring have the same structure;
the first contact spring piece comprises a base and an elastic piece connected with the base, the base is arranged in the second mounting groove, a gap is reserved between the elastic piece and the first terminal, and the elastic piece is in contact with the first terminal when the insertion part is in an insertion state.
8. The connector for a biochip reading apparatus according to any one of claims 2-7, wherein the lead-out terminal of the second terminal is electrically connected to the corresponding reading pin of the signal processing module through a pad on a motherboard of the biochip reading apparatus;
the bottom surface of the connector shell is provided with a bulge or a concave hole for enabling the connector shell to be connected with the mainboard in a plugging mode.
9. A biochip reading apparatus comprising the connector according to any one of claims 1 to 8 applied to a biochip reading apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322252993.9U CN220544401U (en) | 2023-08-21 | 2023-08-21 | Connector and biochip reading device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322252993.9U CN220544401U (en) | 2023-08-21 | 2023-08-21 | Connector and biochip reading device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220544401U true CN220544401U (en) | 2024-02-27 |
Family
ID=89976225
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322252993.9U Active CN220544401U (en) | 2023-08-21 | 2023-08-21 | Connector and biochip reading device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220544401U (en) |
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2023
- 2023-08-21 CN CN202322252993.9U patent/CN220544401U/en active Active
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