CN219016329U - Blood sugar detector - Google Patents
Blood sugar detector Download PDFInfo
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- CN219016329U CN219016329U CN202223049924.XU CN202223049924U CN219016329U CN 219016329 U CN219016329 U CN 219016329U CN 202223049924 U CN202223049924 U CN 202223049924U CN 219016329 U CN219016329 U CN 219016329U
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- display module
- side wall
- pcb
- fixing groove
- blood glucose
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Abstract
The utility model discloses a blood sugar detector, which comprises a shell with a cavity, wherein the shell consists of an upper shell and a lower shell, and a display module and a PCB circuit board are arranged in the cavity of the shell, and the blood sugar detector is characterized in that: the display module is characterized in that a fixing groove is formed in the lower shell, the display module is arranged in the fixing groove, a plurality of bosses are arranged on the periphery of the fixing groove, the PCB is arranged above the display module through the bosses, and a spacing space is reserved between the PCB and the display module. In the blood sugar detector, the PCB circuit board no longer with the laminating of display module assembly and have the interval space between the two to make the PCB circuit board also can set up electronic component towards the back of display module assembly, further promoted the space of layout utilization of PCB circuit board, simultaneously, because set up the interval space, make the produced heat of PCB circuit board and display module assembly be difficult to gather, promoted the radiating effect, and then can improve the life of complete machine.
Description
Technical Field
The utility model relates to a blood glucose meter, in particular to an assembly and fixation structure of a display module of the blood glucose meter and a PCB (printed circuit board).
Background
In the blood glucose meter, usually include shell structure, display module and PCB circuit board, display module includes display panel and back light plate again, in prior art, a fixed mode that is used is firstly with the display panel installation in the fixed slot of casing protecgulum, the back light plate assembly is in the display panel display screen top of fixed slot, the PCB circuit board is assembled in the back light plate top again, make the back light plate compress tightly thereby fixed through locking PCB circuit board with the screw behind with PCB circuit board and the casing assembly, however, this kind of fixed scheme is because the back light plate assembly is direct with the PCB circuit board paste tightly, make PCB circuit board and the big area of the face that the back light plate paste tightly is taken up by the back light plate, thereby can't set up electronic components on the face that is taken up, consequently, the face utilization ratio influence of such assembly mode to PCB circuit board is great, and the assembly mode that adopts this kind of PCB circuit board and back light plate paste tightly also can lead to the heat aggregation that various production of back light plate and PCB circuit board can not dispel, result in the radiating effect is not good, the whole performance and product normal life cycle will all produce adverse effect.
Disclosure of Invention
The utility model aims to solve the technical problem of overcoming the defects of the prior art, and provides an assembly scheme capable of enabling a certain interval space to exist between a display module and a PCB, so that the surface of the PCB, which faces the display module, is not occupied by the display module, the utilization rate of the surface of the PCB can be effectively improved, heat generated between the display module and the PCB can be timely dissipated, and the service life of the whole machine is prolonged.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the utility model provides a blood sugar detector, includes by last casing and the casing of lower casing constitution area cavity, the inside display module assembly and the PCB circuit board of being equipped with of casing cavity, its characterized in that: the display module is characterized in that a fixing groove is formed in the lower shell, the display module is arranged in the fixing groove, a plurality of bosses are arranged on the periphery of the fixing groove, the PCB is arranged above the display module through the bosses, and a spacing space is reserved between the PCB and the display module. According to the structure, the space is arranged between the display module and the PCB, so that the board surface utilization rate and the heat dissipation effect of the PCB are improved.
As a further improvement of the above technical scheme: the fixed groove is formed by surrounding a first side wall and a second side wall, and the height of the first side wall is lower than that of the second side wall.
As a further improvement of the above technical scheme: the display module comprises a display panel and a backlight plate, wherein the display panel and the backlight plate are sequentially arranged behind the fixing groove, and the upper surface of the display panel is higher than the upper end of the first side wall. The structure enables the display panel and the backlight plate to realize positioning of the display panel in the vertical direction through the backlight plate after assembly, thereby preventing looseness of the display panel after assembly.
As a further improvement of the above technical scheme: the height of the boss is higher than that of the fixing groove, and the height of the interval space is adjusted by setting the height of the boss. The height of the interval space between the display module and the PCB can be adjusted through the boss, and the structure is compact in design and reasonable in layout.
As a further improvement of the above technical scheme: the outside limit of first lateral wall is equipped with the spacing wall that upwards extends, the back light plate sets up between spacing wall and the second lateral wall. Above-mentioned structural design, the backlight unit of being convenient for install between the second lateral wall with spacing wall.
As a further improvement of the above technical scheme: the backlight plate is arranged between the limiting wall and the second side wall, the backlight plate comprises a front end and a rear end, and the limiting wall and the second side wall respectively limit the front end and the rear end to move in the horizontal direction.
As a further improvement of the above technical scheme: and a limiting buckle is arranged on the second side wall opposite to the first side wall, the limiting buckle comprises a reinforcing rib and a back-off buckle extending towards the inside of the fixed groove, and the back-off buckle limits the front end in the vertical direction. The second side wall of back-off and having back-off is prevented from deformation through the strengthening rib.
As a further improvement of the above technical scheme: the upper shell is provided with a limiting protrusion on the same side as the rear end, and the limiting protrusion abuts against the upper surface of the rear end so as to limit the rear end of the backlight plate in the vertical direction. The location of display module assembly and PCB circuit board in horizontal direction and vertical direction just can be realized through spacing wall, fixed slot lateral wall and the back-off structure that sets up in the above-mentioned structure, and above-mentioned structural design is simple, does benefit to the installation, and changes less to current shell structure, and the cost is lower.
As a further improvement of the above technical scheme: the display panel is provided with a conductive end part, a conductive adhesive tape is arranged on the conductive end part, and the display panel is electrically connected with the PCB through the conductive adhesive tape.
Compared with the prior art, the utility model has the beneficial effects that:
1. in the structure of the glucometer disclosed by the utility model, a certain interval space is arranged between the PCB and the display module, so that the back surface of the PCB can be provided with the electronic element, and the utilization rate of the PCB surface is further improved.
2. Because a certain interval space is arranged between the PCB and the backlight plate, heat generated by the PCB and the display module is not easy to gather, the heat dissipation effect is improved, and the service life of the whole machine can be prolonged.
3. In the structure of the glucometer disclosed by the utility model, only a plurality of rib boss and limit buckle structures are additionally arranged in the original lower shell structure, so that the original backlight plate structure and the original shell structure are changed slightly, the structure is simple and practical, and the cost is low.
Drawings
FIG. 1 is an exploded view of a blood glucose meter according to the present utility model.
Fig. 2 is a cross-sectional view showing the structure of a blood glucose meter according to the present utility model.
Fig. 3 is an enlarged view of a portion of fig. 2 a in accordance with the present utility model.
Fig. 4 is a schematic structural diagram of the assembled display module according to the present utility model.
Fig. 5 is a schematic view of another view structure of the upper housing of the present utility model.
The reference numerals in the drawings denote: 10. an upper housing; 11. a limit protrusion; 20. a lower housing; 21. a lower case body; 22. a glass panel; 30. a display module; 31. a display panel; 310. a conductive end; 320. a conductive adhesive tape; 32. a backlight plate; 321. the front end of the backlight plate; 322. the back end of the backlight plate; 40. a PCB circuit board; 41. fixing the hole site; 42. locking a screw; 50. a fixing groove; 51. a boss; 52. a first sidewall; 53. a second sidewall; 54. a limiting wall; 55. a guide wall; 56. a limit button; 561. reinforcing ribs; 562. reversing; 60. spacing space
Detailed Description
As used in this disclosure and in the claims, the terms "a," "an," "the," and/or "the" are not specific to a singular, but may include a plurality, unless the context clearly dictates otherwise. The terms "first," "second," and the like, as used in this disclosure, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. Likewise, the word "comprising" or "comprises", and the like, means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof, but does not exclude other elements or items. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect.
The utility model is described in further detail below with reference to the drawings and specific examples of the specification.
Fig. 1 and 5 show an embodiment of the present utility model, which is a backlight plate fixing structure of a home glucose meter for detecting blood glucose of a human body, comprising a housing structure assembled by an upper housing 10 and a lower housing 20 through a buckle to have a cavity, wherein a fixing groove 50 for installing a display module 30 and a PCB circuit board 40 is provided in the cavity of the housing, the display module 30 comprises a display panel 31 and a backlight plate 32, the display panel 31 and the backlight plate 32 are sequentially assembled in the fixing groove 50, and the PCB circuit board 40 is disposed above the display module 30 and has a space 60 with the display module 30.
Specifically, referring to fig. 1 and 2, the lower case 20 is provided with a fixing groove 50, four corners of the periphery of the side wall of the fixing groove 50 are provided with a plurality of bosses 51, the top ends of the bosses 51 are higher than the side wall of the fixing groove 50 in the vertical direction, and the display panel 31 and the backlight 32 are mounted in the fixing groove 50; wherein, screw holes (not shown) are provided in the boss 51, a fixing hole position 41 is provided on the PCB circuit board 40 corresponding to the boss screw holes, the PCB circuit board 40 is placed on the boss 51 and locked on the boss 51 by the locking screw 42, and the top surface of the boss 51 is higher than the height of the side wall of the fixing groove 50 in the vertical direction, so that a space 60 is formed between the PCB circuit board 40 and the upper surface of the backlight board 32 after the PCB circuit board is assembled on the boss 51, and the height of the space 60 can be adjusted by setting the height of the boss 51. Because the interval space 60 is arranged between the PCB circuit board 40 and the backlight board 32, the back of the PCB circuit board 40 facing the backlight board 32 is not occupied due to the lamination with the display module, and then the back of the backlight board 32 can be provided with electronic elements, thereby solving the defect that only one side of the PCB circuit board surface in the structure of the traditional blood glucose meter product can be provided with the electronic elements, improving the utilization rate of the PCB circuit board 40, and meanwhile, because the interval space 60 is arranged between the PCB circuit board 40 and the upper surface of the backlight board 32, the heat generated during the working of the PCB circuit board 40 and the backlight board 32 can not be gathered, the heat can be timely taken away, and the heat dissipation problem is greatly improved, thereby improving the service life of the whole blood glucose meter.
In this embodiment, the lower housing 20 is composed of a lower housing body 21 and a glass panel 22, an opening is provided in the middle of the lower housing body 21, the glass panel 22 is fastened and fixed to the opening from one side of the inner cavity of the lower housing body 21, and the connection stability of the connection part can be further enhanced by adding an adhesive agent or the like; when the product is used for reading data, the side of the lower shell 20 provided with the glass panel 22 faces the user, so that the blood glucose value displayed by the display module 30 is checked by the user after passing through the glass panel 22.
Further, referring to fig. 1 and 4, the side walls of the fixing groove 50 extend upward in the vertical direction along the peripheral edge of the glass panel 22 in the inner cavity of the lower case body 21, the side walls of the fixing groove 50 include a first side wall 51 and a second side wall 52, the first side wall 51 and the second side wall 52 are disposed around the periphery of the glass panel 22 and form the fixing groove 50 with the glass panel 22 as a bottom, wherein the height of the first side wall 51 is lower than the height of the second side wall 52, and the second side wall 52 includes a side wall opposite to the first side wall 51 and side walls located at both sides of the first side wall 51; during assembly, the display panel 31 is assembled into the fixing groove 50, and the four sides of the display panel 31 are limited by the first side wall 51 and the second side wall 52 to prevent the display panel 31 from moving in the horizontal direction; the upper surface of the assembled display panel 31 is slightly higher than the top of the first side wall, so that the backlight plate 32 is assembled into the fixing groove 50, so that downward pressing force can be applied to the display panel 31 in the vertical direction by using the backlight plate 32, the display panel 31 can be well limited and fixed in the vertical direction, a gap generated in assembly between the display panel 31 and the backlight plate 32 due to manufacturing tolerance is reduced, and the display panel 31 is prevented from loosening in the vertical direction after being assembled.
In this embodiment, the lower housing 20 on the outer side of the first sidewall 51 is provided with a limiting wall 54 and a guiding wall 55 extending upwards, and the limiting wall 54 and the guiding wall 55 are in an integral structure; the second side wall 52 opposite to the first side wall 52 is provided with a limiting buckle 56, the distance between the second side wall 53 and the limiting wall 54 is greater than the width of the backlight plate 32 in the horizontal direction, and the backlight plate 32 is arranged between the second side wall 53 and the limiting wall 54.
Specifically, referring to fig. 1, 2 and 4, the limiting wall 54 and the guiding wall 55 extend upward from the junction of the shell wall and the shell bottom of the lower shell 20, wherein the lower half section extending upward is the limiting wall 54, the upper half section extending upward is the guiding wall 55, the height of the limiting wall 54 extending upward is higher than the upper surface of the backlight plate 32 or is level with the upper surface of the backlight plate 32, and the guiding wall 55 extends upward until exceeding the shell wall of the lower shell 20; the limiting buckle 56 comprises a reinforcing rib 561 and an inverted buckle 562, the reinforcing rib 561 is arranged between the second side wall 52 and the bottom of the lower shell 20, the inverted buckle 562 is arranged on the second side wall 53 and horizontally extends towards the fixing groove 50 to protrude, the reinforcing rib 561 can strengthen the connection strength between the inverted buckle 562 and the second side wall 53, and the inverted buckle 562 and the second side wall 53 with the inverted buckle 562 are prevented from deforming after the backlight plate 32 is installed. During assembly, the front end 321 of the backlight plate 32 is firstly inserted under the back-off 562, then the backlight plate 32 is pressed down to enable the rear end 322 of the backlight plate 32 to be embedded into the limiting wall 54, so that the backlight plate 32 is positioned between the limiting button 56 and the limiting wall 54, the backlight plate 32 is positioned in the front-back left-right direction through the second side wall 53 and the limiting wall, meanwhile, the back-off 562 limits the movement of the front end 321 of the backlight plate 32 in the vertical direction, and the limiting wall 54 is higher than the upper surface of the backlight plate 32, so that light leakage at the bottom of the backlight plate 32 can be prevented.
Further, the back end 322 of the backlight 32 is in a clearance state above the back end 322, and the back end 322 is not shielded by the PCB 40 in the vertical direction; meanwhile, the upper case 10 is provided with a limiting protrusion 11, and the limiting protrusion 11 abuts against the upper surface of the rear end 322 of the backlight plate 32 after the upper case 10 and the lower case 20 are assembled, thereby limiting the rear end 322 of the backlight plate 32 in the vertical direction. Therefore, after the backlight plate 32 is arranged in the fixing groove 50, the movement of the backlight plate 32 in the front, back, left and right horizontal directions is limited by the second side wall 53 and the limiting wall 54, and the movement of the front and back ends of the backlight plate 32 in the vertical direction is limited by the back button 562 and the limiting protrusion 11, so that the backlight plate 5 is fixedly arranged in the fixing groove 50, the backlight plate 32 is effectively prevented from loosening in the cavity of the shell, and the backlight plate 32 is arranged above the display panel 31 and is attached to the upper surface of the display panel 31 after being assembled, so that the display panel 31 is limited between the fixing groove 3 and the backlight plate 5, and the display panel 31 is prevented from loosening in the vertical direction.
In this embodiment, referring to fig. 1 and 4, the display panel 31 further includes a conductive end portion 310, a conductive adhesive tape 320 is disposed on the conductive end portion 310, the display panel 31 is electrically connected with the PCB circuit board 40 mounted on the boss 51 through the conductive adhesive tape 320, and an electrical connection wire is further disposed on the backlight board 32 and is also electrically connected with the PCB circuit board 40.
In this embodiment, a detection inlet (not shown) is further disposed on the housing, the PCB 40 further includes a detection terminal and a calculation module (not shown) for implementing blood glucose detection, the detection terminal is disposed corresponding to the detection inlet, the detected liquid enters the detection terminal from the detection inlet, the detection is identified by the detection terminal, and the blood glucose value of the liquid is calculated by the calculation module and fed back to the display module 30.
Compared with the prior art, the display module and the PCB are fixed through the structures on the upper shell and the lower shell, the PCB is arranged on the boss at the periphery of the side wall of the fixed groove, and the height of the boss is higher than that of the side wall of the fixed groove, so that a certain interval space exists between the PCB and the display module, electronic elements can be arranged on the back surface of the PCB facing the display module, and the utilization rate of the board surface of the PCB is improved; in addition, because a certain interval space is arranged between the PCB and the display module, heat generated during the working of the PCB and the backlight plate can not be gathered, the heat dissipation effect is improved, and the service life of the whole machine can be prolonged. And only need increase and set up some muscle position boss and spacing knot structure in original shell structure, it is less to original backlight plate structure and shell structure change, simple structure is practical, the cost is lower.
While the utility model has been described with reference to preferred embodiments, it is not intended to be limiting. Many possible variations and modifications of the disclosed technology can be made by anyone skilled in the art, or equivalent embodiments with equivalent variations can be made, without departing from the scope of the utility model. Therefore, any simple modification, equivalent variation and modification of the above embodiments according to the technical substance of the present utility model shall fall within the scope of the technical solution of the present utility model.
Claims (9)
1. The utility model provides a blood sugar detector, includes by last casing (10) and lower casing (20) constitution take the casing of cavity, the inside display module assembly (30) and PCB circuit board (40), its characterized in that are equipped with of casing cavity: the display device is characterized in that a fixing groove (50) is formed in the lower shell (20), the display module (30) is arranged in the fixing groove (50), a plurality of bosses (51) are arranged on the periphery of the fixing groove (50), the PCB (40) is arranged above the display module (30) through the bosses (51), and an interval space (60) is reserved between the PCB (40) and the display module (30).
2. The blood glucose meter of claim 1, wherein: the fixing groove (50) is formed by surrounding a first side wall (52) and a second side wall (53), and the height of the first side wall (52) is lower than that of the second side wall (53).
3. The blood glucose meter of claim 2, wherein: the display module (30) comprises a display panel (31) and a backlight plate (32), wherein the display panel (31) and the backlight plate (32) are sequentially installed on the fixing groove (50), and the upper surface of the display panel (31) is higher than the upper end of the first side wall (52).
4. The blood glucose meter of claim 1, wherein: the height of the boss (51) is higher than that of the fixing groove, and the height of the interval space (60) is determined by setting the height of the boss (51).
5. A blood glucose meter according to claim 3, wherein: the outer side edge of the first side wall (52) is provided with a limiting wall (54) extending upwards, and the backlight plate (32) is arranged between the limiting wall (54) and the second side wall (53).
6. The blood glucose meter of claim 5, wherein: the backlight plate (32) includes a front end (321) and a rear end (322), and the limiting wall (54) and the second side wall (53) limit movement of the front end (321) and the rear end (322) in a horizontal direction, respectively.
7. The blood glucose meter of claim 6, wherein: be equipped with spacing knot (56) on second lateral wall (53) relative with first lateral wall (52), spacing knot (56) include strengthening rib (561) and face back-off (562) in fixed slot (50), back-off (562) can be right front end (321) of backlight unit (32) are spacing in the vertical direction.
8. The blood glucose meter of claim 6, wherein: the upper shell (10) is provided with a limiting protrusion (11) corresponding to the rear end (322) of the backlight plate (32), the limiting protrusion (11) is propped against the upper surface of the rear end (322) and limits the rear end (322) of the backlight plate (32) in the vertical direction.
9. A blood glucose meter according to claim 3, wherein: the display panel (31) is provided with a conductive end part (310), a conductive adhesive tape (320) is arranged on the conductive end part (310), and the display panel (31) is electrically connected with the PCB (40) through the conductive adhesive tape (320).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202223049924.XU CN219016329U (en) | 2022-11-17 | 2022-11-17 | Blood sugar detector |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202223049924.XU CN219016329U (en) | 2022-11-17 | 2022-11-17 | Blood sugar detector |
Publications (1)
Publication Number | Publication Date |
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CN219016329U true CN219016329U (en) | 2023-05-12 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202223049924.XU Active CN219016329U (en) | 2022-11-17 | 2022-11-17 | Blood sugar detector |
Country Status (1)
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CN (1) | CN219016329U (en) |
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2022
- 2022-11-17 CN CN202223049924.XU patent/CN219016329U/en active Active
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