CN218262470U - Automatic blood culture instrument - Google Patents
Automatic blood culture instrument Download PDFInfo
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- CN218262470U CN218262470U CN202222467360.5U CN202222467360U CN218262470U CN 218262470 U CN218262470 U CN 218262470U CN 202222467360 U CN202222467360 U CN 202222467360U CN 218262470 U CN218262470 U CN 218262470U
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Abstract
The utility model discloses an automatic blood culture instrument, include: the device comprises a support frame and a rocker driving mechanism, wherein the rocker driving mechanism is provided with a fixed end connected with the support frame and at least two driving ends arranged side by side from top to bottom; the heat preservation box is arranged on the front side of the rocker driving mechanism, the front side of the heat preservation box is a box cover, and a first mounting hole and a second mounting hole are formed in the rear side wall of the heat preservation box; the two ends of each incubation frame are respectively hinged with the left side wall and the right side wall of the heat preservation box and are fixedly connected with each driving end of the rocker driving mechanism; the heating element is arranged on the outer surface of the incubation frame; and the cooling element comprises a semiconductor refrigeration sheet arranged at the small end of the second mounting hole, a cold end fin and a cold guide fan are arranged on the inner side of the cooling element, and a hot end fin and a heat dissipation fan are arranged on the outer side of the cooling element. The utility model discloses simple structure, convenient to use compromises heat preservation, heating and refrigeration function, can satisfy the cultivation demand of different blood samples.
Description
Technical Field
The utility model belongs to the technical field of clinical examination analytical equipment technique and specifically relates to an automatic blood culture appearance is related to.
Background
The blood culture instrument is a microbiological analysis device for testing the existence of bacteria in blood samples, and has important functions for rapid clinical diagnosis and detection of septicemia and bacteremia which seriously endanger the life safety of patients. In recent years, with the continuous improvement of the scientific and technical level, the development of computers and microbiology has been advanced, and more blood culture and monitoring instruments for diagnosing other diseases have been developed. Because the blood culture bottle placed in the blood culture instrument needs to be continuously incubated by shaking at a constant temperature, the better growth of bacteria can be ensured, the existence of bacteria in a blood sample can be conveniently detected, and the accuracy of judgment is improved. The required culture temperature is different for different strains. However, the incubation unit of the existing blood culture instrument only has a heating function, and when the environmental temperature is higher than the culture temperature, the sample cannot be pretreated, namely, the detection result cannot be obtained; secondly, the incubation unit has poor heat preservation performance, the temperature drops quickly after power failure, the heater is frequently started, and the energy consumption is high; and once the power failure occurs accidentally, the temperature in the temperature measuring unit is quickly reduced to be lower than the culture temperature, so that the blood culture is not facilitated, and the detection result is inaccurate.
Disclosure of Invention
In order to solve the problem, the utility model provides an automatic blood culture instrument, can specifically take following technical scheme:
automatic blood culture instrument, include
A supporting frame is arranged on the base plate,
the rocker driving mechanism is provided with a fixed end connected with the supporting frame and at least two driving ends which are arranged side by side from top to bottom;
the heat insulation box is arranged on the front side of the rocker driving mechanism, a box cover is arranged on the front side of the heat insulation box, a first mounting hole and a second mounting hole are formed in the rear side wall of the heat insulation box, the first mounting hole is arranged corresponding to the driving end of the rocker driving mechanism, and the hole wall of the second mounting hole is of a chamfer structure which is gradually enlarged from outside to inside;
the incubation frames are arranged in the heat preservation box, at least two incubation frames are arranged, and two ends of each incubation frame are respectively hinged with the left side wall and the right side wall of the heat preservation box and are fixedly connected with each driving end of the rocker driving mechanism;
the heating element is arranged on the outer surface of the incubation frame and used for heating the sample;
and the cooling element comprises a semiconductor refrigeration piece arranged at the small end of the second mounting hole, the inner side of the semiconductor refrigeration piece is sequentially provided with a cold end fin and a cold guide fan, and the outer side of the semiconductor refrigeration piece is sequentially provided with a hot end fin and a heat dissipation fan.
Preferably, the rocker driving mechanism comprises a motor arranged on the supporting frame, and a power output end of the motor is provided with an eccentric wheel; an L-shaped connecting rod is arranged at the top of the eccentric wheel, one end of the L-shaped connecting rod is hinged with the eccentric wheel, and the other end of the L-shaped connecting rod is fixedly connected with the distribution arm; a plurality of rocker arms are arranged on the distribution arm at intervals from top to bottom, one ends of the rocker arms are hinged with the distribution arm, and the other ends of the rocker arms are connected with the incubation frame.
Preferably, the insulation can is of a hexahedral structure, and foam insulation layers are arranged on the outer surfaces of the top wall, the bottom wall, the left side wall, the right side wall, the rear side wall and the case cover.
Preferably, the incubation frame is a heat-conducting metal frame, and the heating element is an electric heating belt or an electric heating film.
Preferably, a first mounting frame is arranged on the inner side of the semiconductor refrigeration piece, cold-end fins are arranged in the first mounting frame, and a cold guide fan is arranged on the outer side of the first mounting frame; the outside of semiconductor refrigeration piece is provided with the second mounting bracket, be provided with the hot junction fin in the second mounting bracket, the outside of second mounting bracket is provided with radiator fan.
In order to standardize the gas flow direction, play the effect of cooling better, the outside of first mounting bracket and second mounting bracket all is provided with the backplate, the upper and lower both ends of backplate all are provided with the air outlet.
Furthermore, the air outlets of the guard plates of the second mounting frame are respectively connected with a hot air exhaust channel, and the inlet end of the cooling fan is provided with an air inlet channel.
In order to improve the automation degree, a numerical control display screen is further arranged on one side of the heat preservation box.
The automatic blood culture instrument provided by the utility model has simple structure and convenient use, the heating element is arranged on the incubation frame, and the cooling element is arranged on the incubator, so that the incubation unit has both heating and refrigerating functions, is not influenced by the environmental temperature, and meets different culture temperature requirements of blood samples; secondly, be provided with the foam heat preservation on the insulation can, not only can last to provide the culture flask culture environment of longer time under the instrument outage condition, it is more energy-conserving moreover, effectively reduced the equipment energy consumption, make equipment operation more steady.
Drawings
Fig. 1 is a front view (product back) of the present invention.
Fig. 2 is a rear view of fig. 1.
FIG. 3 is a schematic view of the connection structure of the rocker driving mechanism and the incubation frame in FIG. 1.
Fig. 4 isbase:Sub>A view frombase:Sub>A-base:Sub>A in fig. 1 (containing hot exhaust and intake air ducts).
Fig. 5 is a cross-sectional view of the cooling element of fig. 4 at the central axis (without the heat exhaust and intake channels).
Detailed Description
The following describes embodiments of the present invention in detail with reference to the accompanying drawings, and the embodiments of the present invention are implemented on the premise of the technical solution of the present invention, and detailed embodiments and specific working procedures are given, but the scope of the present invention is not limited to the following embodiments.
As shown in fig. 1-5, the automatic blood culture instrument of the present invention comprises a support frame 1, on which a rocker driving mechanism is disposed, specifically, the rocker driving mechanism comprises a motor 21 (i.e. a fixed end) fixedly mounted on the support frame 1, and a power output end (in this embodiment, a rotating shaft linked with a motor shaft through a synchronous belt transmission mechanism) of the motor 21 is mounted with an eccentric wheel 22; the top of the eccentric wheel 22 is hinged with an L-shaped connecting rod 23, and the other end of the L-shaped connecting rod 23 is fixedly connected with a distribution arm 24; three (can set up according to actual need, but at least two) rocking arms 25 are set up from top to bottom interval on this distributor arm 24, and one end of each rocking arm 25 all links to each other with distributor arm 24 is articulated, and the other end (being the drive end) links to each other with an incubation frame 3. When the motor 21 is started, the rocker arm 25 can drive the incubation frame 3 to swing up and down along with the rotation of the eccentric wheel 22, so that the sample is uniformly heated or cooled.
Above-mentioned incubation frame 3 is installed in insulation can 4, and this insulation can 4 is located rocker actuating mechanism's front side, is the hexahedron structure, and its front side is the case lid, and then is provided with foam heat preservation 41 on the surface of roof, diapire, left side wall, right side wall, back side wall and case lid for keep the incasement temperature, reduce the equipment energy consumption, prevent simultaneously when the unexpected outage, the sample preliminary treatment that the incasement temperature sudden change caused is unsuccessful. Secondly, a first mounting hole 42 and a second mounting hole 43 are formed in the rear side wall of the heat preservation box 4, the first mounting hole 42 is arranged corresponding to the driving end of the rocker driving mechanism and is used for penetrating through a transverse arm of the L-shaped connecting rod 23, and the three rocker arms 25 are located in the heat preservation box 4; the second mounting hole 43 is used for mounting the cooling element 5, and the hole wall of the second mounting hole is a chamfer structure gradually enlarged from outside to inside and used for forming a cold air guide channel, so that cold air can rapidly flow into the box body from the rear side wall of the box body, and the temperature in the box body is rapidly reduced.
The cooling element 5 includes a semiconductor cooling plate 51 located at the small end of the second mounting hole 43, a cold-end fin 52 and a cold-guiding fan 53 are sequentially disposed on the inner side of the semiconductor cooling plate 51 (i.e., inside the thermal insulation box 4), and a hot-end fin 54 and a heat-dissipating fan 55 are sequentially disposed on the outer side of the semiconductor cooling plate 51 (i.e., inside the thermal insulation box 4). Specifically, a first mounting frame is mounted on the inner side of the semiconductor refrigeration sheet 51, the cold-end fins 52 are located in the first mounting frame, and the cold-guide fan 53 is located on the outer side of the first mounting frame; the second mounting bracket is installed to the outside of semiconductor refrigeration piece, and hot junction fin 54 is located the second mounting bracket, and radiator fan 55 is located the outside of second mounting bracket. Furthermore, the side surfaces of the first mounting frame and the second mounting frame are provided with guard plates, air outlets 56 are formed at the upper end and the lower end of each guard plate, and through holes for communicating air outlets of the cooling fan 53 and the cooling fan 55 are formed in the side surfaces of the guard plates. The cooling element 5 mainly achieves the purpose of cooling through convection, and when power is supplied to the semiconductor refrigeration sheet 51, the inner side of the cooling element refrigerates and the outer side of the cooling element dissipates heat, so that the temperature of the cold end fin 52 is lower, and the temperature of the hot end fin 54 is higher; after the cold guide fan 53 is started, the hot air in the heat preservation box 4 can be sent into the cold-end fins 52 for cooling, the obtained cold air is discharged from the upper air outlet 56 and the lower air outlet 56, and is quickly dispersed into the heat preservation box 4 under the guiding action of the hole wall of the chamfer structure of the second mounting hole 43, so that the temperature in the box is reduced, namely the cold-end fins 52 and the cold guide fan 53 form an internal circulation for refrigerating in the heat preservation box 4; the hot end fins 54 and the heat dissipation fan 55 form an external circulation, the heat dissipation fan 55 sends air into the hot end fins 54 for heat exchange, and the obtained high-temperature air is discharged through the air outlets at the upper end and the lower end and is used for dissipating heat to the external environment. Further, be connected with hot exhaust passageway 56 respectively in the backplate air outlet department of second mounting bracket to at the entrance point installation inlet air channel 57 of leading cold fan 53, the hot junction adopts wind channel structural design, and hot-blast direct discharge is outside and from instrument external environment inhaled air, can effectively improve the heat exchange efficiency at cold fin hot junction, thereby promotes the refrigeration efficiency of cold junction.
The three incubation frames 3 are positioned in the heat preservation box 4, and two ends of each incubation frame 3 are respectively hinged with the left side wall and the right side wall of the heat preservation box 4 and are fixedly connected with a rocker arm 25 of the rocker driving mechanism. In order to realize the heating culture of the sample, the incubation frame 3 is made of a heat-conducting metal material, and an electric heating belt or an electric heating film is fixed on the outer surface of the incubation frame 3 as a heating element.
Further, in order to improve the automation degree, a numerical control display screen 6 is further installed on one side of the heat preservation box 4, so that heating or cooling instructions can be input, the heating or cooling temperature can be controlled, and meanwhile, the real-time temperature of the sample and the like can be displayed.
It should be noted that in the description of the present invention, terms of orientation or positional relationship such as "front", "rear", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Claims (8)
1. An automatic blood culture instrument, which is characterized in that: comprises that
A supporting frame is arranged on the base plate,
the rocker driving mechanism is provided with a fixed end connected with the supporting frame and at least two driving ends arranged side by side from top to bottom;
the heat insulation box is arranged on the front side of the rocker driving mechanism, a box cover is arranged on the front side of the heat insulation box, a first mounting hole and a second mounting hole are formed in the rear side wall of the heat insulation box, the first mounting hole is arranged corresponding to the driving end of the rocker driving mechanism, and the hole wall of the second mounting hole is of a chamfer structure which is gradually enlarged from outside to inside;
the incubation frames are arranged in the heat preservation box, at least two incubation frames are arranged, and two ends of each incubation frame are respectively hinged with the left side wall and the right side wall of the heat preservation box and are fixedly connected with each driving end of the rocker driving mechanism;
the heating element is arranged on the outer surface of the incubation frame and used for heating the sample;
and the cooling element comprises a semiconductor refrigeration piece arranged at the small end of the second mounting hole, the inner side of the semiconductor refrigeration piece is sequentially provided with a cold end fin and a cold guide fan, and the outer side of the semiconductor refrigeration piece is sequentially provided with a hot end fin and a heat dissipation fan.
2. The automated blood culture apparatus of claim 1, wherein: the rocker driving mechanism comprises a motor arranged on the supporting frame, and the power output end of the motor is provided with an eccentric wheel; an L-shaped connecting rod is arranged at the top of the eccentric wheel, one end of the L-shaped connecting rod is hinged with the eccentric wheel, and the other end of the L-shaped connecting rod is fixedly connected with the distribution arm; a plurality of rocker arms are arranged on the distribution arm at intervals from top to bottom, one ends of the rocker arms are hinged with the distribution arm, and the other ends of the rocker arms are connected with the incubation frame.
3. The automatic blood culture instrument of claim 1, wherein: the heat preservation box is of a hexahedral structure, and foam heat preservation layers are arranged on the outer surfaces of the top wall, the bottom wall, the left side wall, the right side wall, the rear side wall and the box cover.
4. The automated blood culture apparatus of claim 1, wherein: the incubation frame is a heat-conducting metal frame, and the heating element is an electric heating belt or an electric heating film.
5. The automated blood culture apparatus of claim 1, wherein: a first mounting frame is arranged on the inner side of the semiconductor refrigeration sheet, cold-end fins are arranged in the first mounting frame, and a cold guide fan is arranged on the outer side of the first mounting frame; the outside of semiconductor refrigeration piece is provided with the second mounting bracket, be provided with the hot junction fin in the second mounting bracket, the outside of second mounting bracket is provided with radiator fan.
6. The automatic blood culture instrument of claim 5, wherein: the outside of first mounting bracket and second mounting bracket all is provided with the backplate, the upper and lower both ends of backplate all are provided with the air outlet.
7. The automated blood culture apparatus of claim 6, wherein: the air outlet of the guard plate of the second mounting frame is respectively connected with a hot exhaust channel, and the inlet end of the cooling fan is provided with an air inlet channel.
8. The automatic blood culture instrument of claim 1, wherein: and a numerical control display screen is also arranged on one side of the heat preservation box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222467360.5U CN218262470U (en) | 2022-09-19 | 2022-09-19 | Automatic blood culture instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222467360.5U CN218262470U (en) | 2022-09-19 | 2022-09-19 | Automatic blood culture instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218262470U true CN218262470U (en) | 2023-01-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222467360.5U Active CN218262470U (en) | 2022-09-19 | 2022-09-19 | Automatic blood culture instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218262470U (en) |
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- 2022-09-19 CN CN202222467360.5U patent/CN218262470U/en active Active
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