CN215305894U - Double-sided sensor structure and blood glucose monitoring device - Google Patents
Double-sided sensor structure and blood glucose monitoring device Download PDFInfo
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- CN215305894U CN215305894U CN202120751303.2U CN202120751303U CN215305894U CN 215305894 U CN215305894 U CN 215305894U CN 202120751303 U CN202120751303 U CN 202120751303U CN 215305894 U CN215305894 U CN 215305894U
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Abstract
The utility model relates to the technical field of blood glucose monitoring, in particular to a double-sided sensor structure and a blood glucose monitoring device, wherein the double-sided sensor structure comprises a double-sided sensor, a shell and a metal circuit coating, wherein: the double-sided sensor comprises a flat plate part and a needle body part, wherein two side surfaces of the flat plate part are respectively provided with an electrode position, two side surfaces of the needle body part are respectively provided with a detection position, and the electrode positions are communicated with the detection positions on the same side of the double-sided sensor; the shell comprises a bottom plate and a cover plate, a cavity is formed between the bottom plate and the cover plate, two raised wall blocks are arranged in the cavity, and the two raised wall blocks are relatively parallel; the metal circuit coating is arranged in the cavity and attached to the bottom plate, and comprises end heads which are positioned on the opposite surfaces of the two raised wall blocks; the flat plate part is inserted in the limited interval between the raised wall blocks, the electrode positions are respectively abutted with the end heads on the same side, and the needle body part penetrates out of the bottom plate. In the technical scheme, the volume of the whole shell can be reduced, and the stable performance of the sensor assembly is ensured.
Description
Technical Field
The utility model relates to the technical field of blood glucose monitoring, in particular to a double-sided sensor structure and a blood glucose monitoring device.
Background
Blood glucose monitoring is a periodic check of blood glucose values. The blood sugar monitoring can be implemented to better control the blood sugar change of the diabetic, has important guiding significance on the living rule, the activity, the movement, the diet and the reasonable medication, and can help the diabetic to find problems at any time and get to the hospital for medical treatment in time.
The blood glucose monitoring equipment comprises a sensor assembly and an emitter assembly, the sensor assembly and the emitter assembly are of split structures, the sensor assembly comprises elements such as a blood glucose sensor and a battery, a monitoring needle of the blood glucose sensor is implanted subcutaneously and used for detecting blood glucose content, and the emitter assembly comprises a circuit board. When the monitoring device is used, the sensor component is attached to the skin of a human body, the emitter component and the sensor component regularly form a closed loop circuit with a circuit in the blood glucose monitoring device, so that blood glucose content data detected by the blood glucose sensor is sent to the terminal device through the emitter component, and a doctor or a user utilizes the terminal device to check, record and the like.
Since the sensor unit needs to be attached to the skin of a human body when used, the sensor unit needs to be miniaturized in order to reduce the influence of attaching the sensor unit. Among the current blood glucose monitoring equipment, all set up the circuit board in sensor subassembly and transmitter subassembly to and be equipped with a certain amount of connection contact, no matter be circuit board or connection contact, all influence sensor subassembly and blood glucose monitoring equipment's miniaturized design.
SUMMERY OF THE UTILITY MODEL
The utility model provides a double-sided sensor structure and a blood sugar monitoring device, wherein the double-sided sensor and a metal circuit coating can be stably connected, and the shell occupies small space and is beneficial to product miniaturization.
In one aspect of the present invention, there is provided a double-sided sensor structure comprising a double-sided sensor, a housing, and a metal circuit plating, wherein: the double-sided sensor comprises a flat plate part and a needle body part, wherein two side surfaces of the flat plate part are respectively provided with an electrode position, two side surfaces of the needle body part are respectively provided with a detection position, and the electrode positions are communicated with the detection positions on the same side of the double-sided sensor; the shell comprises a bottom plate, two convex wall blocks are arranged on the bottom plate, and the two convex wall blocks are relatively parallel; the metal circuit coating is arranged in the cavity and attached to the bottom plate, and comprises end heads which are positioned on the opposite surfaces of the two raised wall blocks; the flat plate part is inserted in the limited interval between the raised wall blocks, the electrode positions are respectively abutted with the end heads on the same side, and the needle body part penetrates out of the bottom plate.
Optionally, the sensor thickness is greater than the difference between the defined gap width and the width of the resilient conductor, so that the sensor is compressed to ensure good contact.
Optionally, at least one side of the flat plate portion is provided with an elastic conductor; the electrode position on the flat plate part is connected with the end head on the same side or connected with the end head on the same side through an elastic conductor.
Optionally, the elastic conductor is a conductive zebra stripe, the conductive zebra stripe comprises a plurality of conductive structures arranged at intervals, and the electrode position on the flat plate part is connected with the end head on the same side through the conductive structures; or the elastic conductor is a conductive rubber or metal reed, a plurality of conductive structures arranged at intervals are separated from the conductive rubber or metal reed through an insulating device, and the electrode position on the flat plate part is connected with the end head on the same side through the conductive structures.
Optionally, the elastic conductor is one piece, the electrode site on the first side of the flat plate portion is connected with the end head on the same side through the elastic conductor, and the electrode site on the second side is abutted with the end head on the same side.
Optionally, a metal circuit plating layer is disposed on the bottom plate and at the positions of the two protruding wall blocks, and a bottom conductive structure is disposed on one side of the elastic conductor facing the bottom plate and connected to the metal circuit plating layer.
Optionally, a limiting structure is arranged between the bottom plate and the double-sided sensor, and is used for limiting the double-sided sensor to move on the bottom plate along a limited direction.
Optionally, limit structure includes location rib and constant head tank, wherein: the locating rib is arranged in the cavity and located on the bottom plate, the locating groove is arranged at one end, attached to the bottom plate, of the flat plate portion, and the double-sided sensor is connected with the bottom plate to enable the locating groove to be clamped on the locating rib.
Optionally, the bottom plate further comprises a base for semi-surrounding the double-sided sensor, the raised wall block and the elastic conductor; the double-sided sensor structure further comprises a pressing block, the pressing block and the base are enclosed to form a sealing fixing block with a hollow structure, and the double-sided sensor, the protruding wall block and the elastic conductor are arranged in the hollow structure.
Optionally, a sealant for securing the two-sided sensor, the raised wall block and the resilient conductor, and for sealing the hollow structure is included within the hollow structure.
Optionally, the base is provided with a socket, the socket includes two side walls, the flat plate portion is located in the socket and attached to one of the side walls, the press block includes a socket portion for inserting into the socket, and when the socket portion is inserted into the socket, the socket portion presses the flat plate portion.
Optionally, one side wall of the socket is a vertical side wall perpendicular to the bottom plate, and the other side wall is an inclined side wall, so that the opening of the socket is gradually reduced along the direction from the top opening to the bottom plate; the plug part is provided with an inclined positioning inclined plane, and when the plug part is inserted into the plug interface, the positioning inclined plane is attached to the inclined side wall.
Optionally, the top of the pressing block is provided with a top end limiting part extending in a direction perpendicular to the side wall of the pressing block, and the top end limiting part is abutted to the top end of the flat plate part.
In another aspect of the utility model, a blood glucose monitoring device is also provided, comprising a sensor assembly and an emitter assembly, the sensor assembly comprising the above-described dual-sided sensor structure.
In the technical scheme provided by the utility model, the circuit board is replaced by the metal circuit plating layer, so that the space occupied by the circuit board is saved, the integral volume of the shell can be further reduced, and the product is miniaturized; in addition, the stable connection of the double-sided sensor and the metal circuit coating is realized through the raised wall block structure, and the stable performance of the sensor assembly is ensured.
Drawings
For purposes of illustration and not limitation, the present invention will now be described in accordance with its preferred embodiments, particularly with reference to the accompanying drawings, in which:
FIG. 1 is a schematic structural diagram of a double-sided sensor structure according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a double-sided sensor provided in an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a housing according to an embodiment of the present invention;
FIG. 4 is an enlarged fragmentary view of FIG. 3 at the raised wall block;
FIG. 5 is a schematic structural diagram of an elastic conductor according to an embodiment of the present invention;
fig. 6 is a cross-sectional view of a seal fixing block according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a blood glucose monitoring device according to an embodiment of the present invention.
In the figure:
1: a double-sided sensor; 2: a housing; 3: a metal circuit plating layer; 4: an elastic conductor; 5: briquetting;
11: a flat plate portion; 12: a needle body portion; 13: an electrode position; 14: positioning a groove;
21: a base plate; 22: a raised wall block; 23: positioning the ribs; 24: a base;
31: a tip;
41: electrically conductive zebra stripes;
51: positioning the inclined plane; 52: a top end limiting part;
100: a sensor assembly; 200: an emitter assembly.
Detailed Description
In the embodiment of the utility model, the double-sided sensor is adapted to the metal circuit plating layer, the double-sided sensor and the metal circuit plating layer can realize stable connection, and the volume of a product can be reduced by optimizing the structure of an internal component of the blood glucose monitoring device, so that the miniaturization treatment of the product is facilitated, which is specifically described below.
FIG. 1 is a schematic structural diagram of a double-sided sensor structure according to an embodiment of the present invention; FIG. 2 is a schematic structural diagram of a double-sided sensor provided in an embodiment of the present invention; FIG. 3 is a schematic structural diagram of a housing according to an embodiment of the present invention; FIG. 4 is an enlarged fragmentary view of FIG. 3 at the raised wall block; FIG. 5 is a schematic structural diagram of an elastic conductor according to an embodiment of the present invention; fig. 6 is a cross-sectional view of a seal fixing block according to an embodiment of the present invention. As shown in fig. 1 to 6, the double-sided sensor structure includes a double-sided sensor 1, a case 2, and a metal circuit plating layer 3. A metal circuit plating layer 3 is formed in the housing 2 by adopting a Mold Interconnection Device (MID) process or a Laser Direct Structuring (LDS) process, the plating layer plays a role of a metal wire, a PCB circuit board in the prior art is replaced, a circuit board structure is omitted, the installation space of the circuit board can be saved in the housing 2, and further miniaturization of products is facilitated.
The circuit board structure in the body 2 is improved, the fixed mode of the corresponding double-sided sensor 1 needs corresponding change too, in the embodiment of the utility model, the double-sided sensor 1 includes the flat plate part 11 and needle body part 12, the both sides of the flat plate part 11 have electrode positions 13 separately, the both sides of the needle body part 12 have detection positions separately, the electrode position 13 of the ipsilateral communicates with detection position; the shell 2 comprises a bottom plate 21 and a cover plate (not shown in the figure), a cavity is formed between the bottom plate 21 and the cover plate, two raised wall blocks 22 are arranged in the cavity, and the two raised wall blocks 22 are relatively parallel; the metal circuit plating layer 3 is arranged in the cavity and attached to the bottom plate 21, the metal circuit plating layer 3 comprises end heads 31, and the end heads 31 are positioned on the opposite surfaces of the two raised wall blocks 22; the flat plate part 11 is inserted into the limited space between the raised wall blocks 22, the electrode parts 13 are respectively abutted with the end heads 31 at the same side, and the needle body part 12 penetrates out of the bottom plate 21. In the embodiment of the utility model, a groove structure is formed between two or two groups of raised wall blocks 22 on the shell 2, and the flat plate part 11 of the double-sided sensor 1 is inserted into the groove structure, so that the fixed connection between the double-sided sensor 1 and the shell 2 is realized, and meanwhile, the double-sided sensor 1 is communicated with the metal circuit plating layer 3.
In the embodiment of the utility model, the connection mode of the double-sided sensor and the groove body structure comprises various modes, for example, the width of the groove body structure is slightly smaller than the thickness of the flat plate part of the double-sided sensor, and the flat plate part is extruded in the groove body structure, so that the stable connection of the double-sided sensor and the groove body structure is realized.
As shown in fig. 1 and fig. 5, as another connection mode of the dual-sided sensor, the dual-sided sensor structure further includes an elastic conductor 4, at least one side of the flat plate portion 11 is provided with the elastic conductor 4, that is, when one side of the flat plate portion 11 is provided with the elastic conductor 4, the side of the flat plate portion 11 provided with the elastic conductor 4 is communicated with the terminal 31 through the elastic conductor 4, the other side of the flat plate portion 11 is directly communicated with the terminal 31 on the same side, and when both sides are provided with the elastic conductors 4, both sides of the flat plate portion 11 are respectively communicated with the terminal 31 on the same side through the elastic conductor 4. The flat plate part 11 and the raised wall block 22 can be stably connected by using one elastic conductor 4, and the structure of the double-sided sensor is prevented from being too complicated.
The elastic conductor 4 may be a conductive zebra stripe 41; the conductive zebra stripes 41 comprise a plurality of conductive structures arranged at intervals, and the electrode positions 13 on the flat plate part 11 are connected with the end heads 31 on the same side through the conductive structures; or, the elastic conductor 4 is a conductive rubber or metal spring, the conductive rubber or metal spring is separated into a plurality of conductive structures arranged at intervals by an insulating device, and the electrode position 13 on the flat plate part 11 is connected with the end 31 at the same side by the conductive structures.
In the embodiment of the present invention, the metal circuit plating layer 3 is disposed on the bottom plate 21 and at the positions of the two protruding wall blocks 22, and a bottom conductive structure is disposed on one side of the elastic conductor 4 facing the bottom plate 21 and connected to the metal circuit plating layer 3. The bottom conductive structure has the same function as the conductive structures on the two sides of the bottom conductive structure, and more guide lines can be increased by arranging the bottom conductive structure.
In the embodiment of the utility model, a limit structure is arranged between the bottom plate 21 and the double-sided sensor 1, and the position of the double-sided sensor 1 on the bottom plate 21 is further limited by the limit structure, so that the probability of relative movement of the two is reduced. As shown in fig. 2 and 4, the limiting structure comprises a positioning rib 23 and a positioning groove 14; locating rib 23 locates in the cavity and is located bottom plate 21, the one end of flat plate portion 11 and the laminating of bottom plate 21 is located to constant head tank 14, two-sided sensor 1 is connected with bottom plate 21, make constant head tank 14 joint on locating rib 23, wherein, limit structure is perpendicular to two-sided sensor 1's spacing direction and elastic conductor 4 to two-sided sensor 1's spacing direction, through limit structure and elastic conductor 4 cooperation, restriction two-sided sensor 1 is relative bottom plate 21 and is removed at will.
In the embodiment of the utility model, the bottom plate further comprises a base 24 for semi-surrounding the double-sided sensor 1, the raised wall block 22 and the elastic conductor 4; the double-sided sensor structure further comprises a pressing block 5, the pressing block 5 and the base 24 enclose a sealing fixing block with a hollow structure, and the double-sided sensor 1, the protruding wall block 22 and the elastic conductor 4 are arranged in the hollow structure. The hollow structure, in cooperation with the bottom plate 21 and the cover plate, can form a sealed chamber, thereby protecting the components therein.
In the embodiment of the utility model, the hollow structure is filled with the sealant, wherein the shell has the requirement of sealing height, and the filling amount of the sealant is not lower than the sealing height. The sealant comprises but is not limited to UV glue or AB glue, and when the sealant is in a fluid state, the sealant can be partially filled into all gaps of the hollow structure, and after curing, all parts in the hollow structure can be fixed, and the hollow structure can be sealed.
As shown in fig. 4 and 6, the base 24 is provided with a socket, the socket includes two side walls, a portion of the flat plate portion 11 is located in the socket and attached to one of the side walls, the pressing block 5 includes a socket portion for inserting into the socket, and when the socket portion is inserted into the socket, the socket portion presses the flat plate portion 11. That is, when the flat plate portion 11 is stabilized, a hollow structure can be formed. One side wall of the socket is a vertical side wall vertical to the bottom plate 21, and the other side wall is an inclined side wall, so that the opening of the socket is gradually reduced along the direction from the top opening to the bottom plate 21; the plug part is provided with an inclined positioning inclined plane 51, and when the plug part is inserted into the plug interface, the inclined positioning plane 51 is attached to the inclined side wall. In the process of inserting the positioning inclined surface 51, an acting force in the direction of the vertical side wall can be generated, and the stability of the pressing block 5 for pressing the flat plate part 11 can be further improved.
As shown in fig. 6, in the embodiment of the present invention, the top of the press 5 is provided with a top end stopper 52 extending in a direction perpendicular to the side wall of the press 5, and the top end stopper 52 abuts against the top end of the flat plate portion 11. The pressing block 5 and the base 24 can limit the horizontal movement (as viewed in the drawing) of the flat plate portion 11, and the top end limiting portion 52 can limit the vertical movement. The flat plate portion 11 is horizontally and vertically limited, so that the mounting stability can be ensured.
As shown in fig. 1, 3 and 4, each side surface of the flat plate portion 11 is provided with two electrode sites 13 arranged at intervals, the opposite surfaces of the two protruding wall blocks 22 are respectively provided with two terminals 31, the two terminals 31 can realize two-way signal transmission, and the product performance can be further improved.
Fig. 7 is a schematic structural diagram of a blood glucose monitoring device according to an embodiment of the present invention. As shown in FIG. 7, the blood glucose monitoring device includes a sensor assembly 100 and a transmitter assembly 200, the sensor assembly 100 including a dual-sided sensor structure.
In the embodiment provided by the utility model, the circuit board is replaced by the metal circuit plating layer, so that the space occupied by the circuit board is saved, the integral volume of the shell can be further reduced, and the product is miniaturized; in addition, the stable connection of the double-sided sensor and the metal circuit coating is realized through the raised wall block structure, and the stable performance of the sensor assembly is ensured.
The above-described embodiments should not be construed as limiting the scope of the utility model. Those skilled in the art will appreciate that various modifications, combinations, sub-combinations, and substitutions can occur, depending on design requirements and other factors. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (14)
1. A double-sided sensor structure, comprising a double-sided sensor (1), a housing (2) and a metal circuit plating (3), wherein:
the double-sided sensor (1) comprises a flat plate part (11) and a needle body part (12), two side surfaces of the flat plate part (11) are respectively provided with an electrode position (13), two side surfaces of the needle body part (12) are respectively provided with a detection position, and the electrode position (13) is communicated with the detection positions on the same side of the double-sided sensor (1);
the shell (2) comprises a bottom plate (21), two raised wall blocks (22) are arranged on the bottom plate (21), and the two raised wall blocks (22) are relatively parallel;
the metal circuit plating layer (3) is arranged in the cavity and attached to the bottom plate (21), the metal circuit plating layer (3) comprises end heads (31), and the end heads (31) are positioned on opposite surfaces of the two raised wall blocks (22);
the flat plate part (11) is inserted into the limited interval between the raised wall blocks (22), the electrode positions (13) are respectively abutted with the end heads (31) at the same side, and the needle body part penetrates out of the bottom plate (21).
2. The dual-sided sensor structure of claim 1, wherein the sensor thickness is greater than a difference between the defined spacing width and the resilient conductor width.
3. A dual-sided sensor structure according to claim 1, characterized in that at least one side of the plate portion (11) is provided with an elastic conductor (4);
the electrode position (13) on the flat plate part (11) is connected with the end head on the same side or connected with the end head (31) on the same side through an elastic conductor (4).
4. A double-sided sensor structure according to claim 3, characterized in that the elastic conductor (4) is a conductive zebra stripe (41), the conductive zebra stripe (41) comprises a plurality of conductive structures arranged at intervals, and the electrode sites (13) on the flat plate portion (11) are connected with the terminals (31) on the same side through the conductive structures;
alternatively, the first and second electrodes may be,
the elastic conductor (4) is a conductive rubber or metal reed, a plurality of conductive structures arranged at intervals are separated from the conductive rubber or metal reed through an insulating device, and the electrode position (13) on the flat plate part (11) is connected with the end head (31) at the same side through the conductive structures.
5. A double-sided sensor structure according to claim 3 or 4, characterized in that the elastic conductor (4) is a single piece, the electrode site (13) on the first side of the plate portion (11) is connected to the terminal (31) on the same side through the elastic conductor (4), and the electrode site (13) on the second side abuts against the terminal (31) on the same side.
6. A double-sided sensor structure according to claim 4, characterized in that the bottom plate (21) is provided with a metal circuit plating (3) at the location of the two raised wall blocks (22), and that the side of the elastic conductor (4) facing the bottom plate (21) is provided with a bottom conductive structure, which is connected to the metal circuit plating (3).
7. The double-sided sensor structure according to any one of claims 2 to 4, characterized in that a limiting structure is provided between the base plate (21) and the double-sided sensor (1) for limiting the movement of the double-sided sensor (1) on the base plate (21) in a defined direction.
8. The double-sided sensor structure of claim 7, wherein the limiting structure comprises positioning ribs (23) and positioning grooves (14), wherein:
locating rib (23) are located in the cavity and on bottom plate (21), and the one end of dull and stereotyped portion (11) and bottom plate (21) laminating is located to constant head tank (14), and two-sided sensor (1) is connected with bottom plate (21), makes constant head tank (14) joint on locating rib (23).
9. The two-sided sensor structure of claim 3 or 4, further comprising a base (24) on the bottom plate for semi-surrounding the two-sided sensor (1), the raised wall block (22) and the elastic conductor (4);
the double-sided sensor structure further comprises a pressing block (5), the pressing block (5) and the base (24) enclose a sealing fixing block with a hollow structure, and the double-sided sensor (1), the protruding wall block (22) and the elastic conductor (4) are arranged in the hollow structure.
10. The two-sided sensor structure of claim 9, characterized in that the hollow structure comprises a sealant therein for fixing the two-sided sensor (1), the raised wall block (22) and the elastic conductor (4), and sealing the hollow structure.
11. A two-sided sensor structure according to claim 9, wherein the base (24) is provided with a socket, the socket comprises two side walls, the plate portion (11) is partially located in the socket and abuts one of the side walls, the press block (5) comprises a socket portion for insertion into the socket, and the socket portion presses the plate portion (11) when the socket portion is inserted into the socket.
12. The dual-sided sensor structure of claim 11, wherein one sidewall of the socket is a vertical sidewall perpendicular to the base plate (21) and the other is an inclined sidewall such that the opening of the socket is gradually reduced in a direction from the top opening to the base plate (21);
the plug part is provided with an inclined positioning inclined plane (51), and when the plug part is inserted into the plug interface, the positioning inclined plane (51) is attached to the inclined side wall.
13. The double-sided sensor structure of claim 12, wherein the top of the pressure block (5) is provided with a top limit part (52) extending in a direction perpendicular to the side wall of the pressure block (5), and the top limit part (52) abuts against the top end of the flat plate part (11).
14. A blood glucose monitoring device comprising a sensor assembly (100) and an emitter assembly (200), the sensor assembly (100) comprising a dual sided sensor structure according to any of claims 1 to 13.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120751303.2U CN215305894U (en) | 2021-04-13 | 2021-04-13 | Double-sided sensor structure and blood glucose monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120751303.2U CN215305894U (en) | 2021-04-13 | 2021-04-13 | Double-sided sensor structure and blood glucose monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215305894U true CN215305894U (en) | 2021-12-28 |
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ID=79593769
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120751303.2U Active CN215305894U (en) | 2021-04-13 | 2021-04-13 | Double-sided sensor structure and blood glucose monitoring device |
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| Country | Link |
|---|---|
| CN (1) | CN215305894U (en) |
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2021
- 2021-04-13 CN CN202120751303.2U patent/CN215305894U/en active Active
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