Microfluid conveying automatic control device
By introducing a temperature insulation and temperature regulating device into the microfluidic conveying device, the problem of microfluidic heat exchange at long distances and high or low temperature conditions is solved, and the effective insulation and transportation of microfluidics is realized, which improves the convenience and practicality of the device.
Patent Information
- Application Number
- CN202421335622.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-12
- Publication Date
- 2025-03-04
- Estimated Expiration
- 2034-06-12
AI Technical Summary
When existing microfluidic conveying devices are transported long distances and under high or low temperature conditions, the microfluidics are prone to heat exchange with the outside world, resulting in inability to effectively keep insulated and transported, which is inconvenient to use and poor practicality.
An automatic microfluidic delivery control device is designed, including a high-precision microfluidic delivery pump, multiple sets of microfluidic delivery tubes and thermal insulation devices. The microfluidic conveying pipe is insulated through the insulation device to reduce heat exchange with the outside world, and the temperature in the insulation box is adjusted through the temperature regulation device to keep it consistent with the microfluidic conveying temperature.
It effectively ensures the temperature of the microfluid during the transportation process, improves the convenience, reliability and practicality of use, and solves the problem of heat exchange during the transportation of the microfluid.
Smart Images
Figure CN222550940U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of microfluid delivery, in particular to an automatic control device for microfluid delivery. Background Art
[0002] Microfluids refer to fluids that flow in channels ranging from one hundred nanometers to several hundred micrometers. Microfluidic technology has been widely used in drug development, cytological research, environmental analysis, and medical diagnosis. Microfluidic delivery is to deliver liquids to designated locations in the form of microfluids. At present, microfluid delivery generally relies on microfluidic pumps and microfluidic pipelines. The microfluidic pump can be used to deliver the microfluid to the designated location through the microfluidic pipeline; however, the existing microfluidic delivery device has the following problems during use: when the microfluid is transported over a long distance and the microfluid needs to be kept at a high or low temperature during the delivery process, the microfluid is prone to heat exchange with the outside world when it is transported in the microfluidic pipeline, and the microfluid cannot be transported in a warm state, which is inconvenient to use and has poor practicality. Utility Model Content
[0003] In order to solve the above technical problems, the utility model provides a microfluid conveying automatic control device which ensures the temperature of the microfluid during the conveying process, is easy to use, and has high reliability and practicality.
[0004] The utility model discloses an automatic control device for microfluid delivery, comprising a base plate, a high-precision microfluid delivery pump, a pipeline A, a pipeline B and a plurality of groups of microfluid delivery tubes, wherein the high-precision microfluid delivery pump is fixedly mounted on the upper end of the base plate, the output end of the high-precision microfluid delivery pump is connected with the pipeline B through the pipeline A, and the input ends of the plurality of groups of microfluid delivery tubes are all connected with the pipeline B; the utility model also comprises a heat preservation device, which is mounted on the base plate and is used for heat preservation of the plurality of groups of microfluid delivery tubes; when the microfluid is delivered, the microfluid is sequentially delivered to the pipeline A and the pipeline B through the high-precision microfluid delivery pump, and then the microfluid is delivered to a designated position through the plurality of groups of microfluid delivery tubes on the pipeline B; when the microfluid is delivered in the plurality of groups of microfluid delivery tubes, the plurality of groups of microfluid delivery tubes are heat preserved by the heat preservation device, so as to reduce the heat exchange between the microfluid and the outside during the delivery process, thereby ensuring the temperature during the microfluid delivery process, and the utility model is convenient to use and has high reliability and practicability.
[0005] Preferably, the insulation device includes an insulation box, a bracket and a temperature regulating device. The insulation box is fixedly mounted on the bottom plate by the bracket. A chamber is arranged in the insulation box. The middle parts of the multiple groups of microfluid delivery tubes are all located in the chamber of the insulation box. The temperature regulating device is installed on the insulation box. The temperature regulating device is used to adjust the temperature in the chamber of the insulation box. The insulation box is provided with a thermometer. When the microfluid is transported in the multiple groups of microfluid delivery tubes, the temperature in the chamber of the insulation box is adjusted by the temperature regulating device so that the temperature in the chamber of the insulation box is consistent with the delivery temperature of the microfluid, thereby reducing the heat exchange between the microfluid and the outside world during the delivery process and ensuring the temperature of the microfluid during the delivery process.
[0006] Preferably, the temperature control device comprises an input pipe, a delivery pipe, an air pipe A, a delivery pump, an air outlet pipe, an air heater, an air cooler, a return pipe, a bend pipe, an output pipe and a filtering device. The input pipe is fixedly mounted at the front of the incubator chamber. A plurality of air inlet pipes are arranged on the input pipe. The output end of the input pipe is connected to the filtering device through the delivery pipe. The filtering device has a filtering function. The input end of the air pipe A is connected to the filtering device. The output end of the air pipe A is connected to the air outlet pipe through the delivery pump. Two groups of output ends are arranged on the air outlet pipe. Valves are arranged on the two groups of output ends of the air outlet pipe. The air heater and the air cooler are respectively connected to the two groups of output ends of the air outlet pipe. The output ends of the air heater and the air cooler are both connected to the return pipe. The output end of the return pipe is connected to the output pipe through the bend pipe. The output pipe is fixedly mounted at the rear of the incubator chamber. A plurality of exhaust pipes are arranged on the output pipe. When the air temperature in the incubator chamber is adjusted, the delivery pump is turned on, so that the gas in the incubator chamber can enter the outlet pipe through the input pipe, the delivery pipe, the filter device and the delivery pump in sequence. When the gas needs to be heated, the valve connected to the air heater on the outlet pipe is opened, so that the gas enters the air heater through the outlet pipe for heating. When the air needs to be cooled, the valve connected to the air cooler on the outlet pipe is opened, so that the air enters the air cooler through the outlet pipe for cooling. Thereafter, the heated or cooled air flows back into the incubator chamber through the reflux pipe, the bent pipe and the output pipe, so that the temperature in the incubator chamber is kept consistent with the delivery temperature of the microfluid. By heating or cooling the air in the incubator chamber, the temperature of the microfluid during the delivery process is guaranteed, and the heat exchange between the microfluid and the outside world during the delivery process is reduced. The incubator is easy to use and has high practicality.
[0007] Preferably, the filtering device includes a filter cartridge and a filter screen, the filter cartridge is fixedly mounted on the heat preservation box, a filter chamber is arranged inside the filter cartridge, the output end of the delivery pipe is connected with the left end of the filter cartridge, the filter screen is fixedly mounted in the filter chamber of the filter cartridge, the input end of the air pipe A is connected with the right part of the filter chamber of the filter cartridge, and valves are arranged on the delivery pipe and the air pipe A; when the gas in the chamber of the heat preservation box enters the filter chamber of the air pipe A through the input pipe and the delivery pipe, the gas is filtered through the filter screen and then delivered to the delivery pump through the air pipe A; by filtering the gas, the solid impurities in the gas entering the delivery pump are reduced, and the gas is easy to use and has high reliability and practicality.
[0008] Preferably, it also includes a high-pressure water pump, a drain pipe and a sewage pipe, the output end of the high-pressure water pump is connected to the right part of the filter cartridge filter cavity through the drain pipe, the drain pipe is located on the right side of the filter screen, the sewage pipe is installed on the left part of the filter cartridge, the upper end of the sewage pipe is connected to the filter cavity of the filter cartridge, and a valve is provided on the sewage pipe; when it is necessary to clean the solid impurities on the filter screen, the input end of the high-pressure water pump is connected to the external water source, and then the valves on the sewage pipe and the drain pipe are opened, and the valves on the delivery pipe and the air pipe A are closed, and then the high-pressure water pump is opened to allow the external water to enter the right part of the filter cartridge filter cavity through the high-pressure water pump and the drain pipe in turn, and then the water enters the left part of the filter cartridge through the filter screen, and the water washes off the solid impurities attached to the filter screen while passing through the filter screen, and then the solid impurities and the delivery pipe are discharged to the outside through the sewage pipe, which is convenient for washing the filter screen.
[0009] Preferably, the plurality of groups of microfluid delivery tubes are all provided with direct current micro solenoid valves; the above arrangement facilitates the control of the delivery flow rate of the microfluid in the microfluid delivery tubes.
[0010] Preferably, an insulation layer is provided on the outer side wall of the insulation box; through the above arrangement, the insulation effect of the insulation box is further improved.
[0011] Compared with the prior art, the utility model has the following beneficial effects: the temperature of the microfluid during the transportation process is guaranteed, the use is convenient, and the reliability and practicability are high. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 It is a first axonometric structural schematic diagram of the utility model;
[0013] Figure 2 It is a schematic diagram of the structure of the filter cartridge, drain pipe and sewage pipe;
[0014] Figure 3 It is a cross-sectional structural schematic diagram of the utility model;
[0015] Figure 4 It is a schematic diagram of the structure of the temperature control device;
[0016] Figure 5It is a second axonometric structural schematic diagram of the utility model.
[0017] Markings in the attached drawings: 1. Base plate; 2. High-precision microfluidic delivery pump; 3. Pipe A; 4. Pipe B; 5. Microfluidic delivery pipe; 6. Insulation box; 7. Bracket; 8. Input pipe; 9. Delivery pipe; 10. Air pipe A; 11. Delivery pump; 12. Air outlet pipe; 13. Air heater; 14. Air cooler; 15. Reflux pipe; 16. Bend pipe; 17. Output pipe; 18. Filter cartridge; 19. Filter screen; 20. High-pressure water pump; 21. Drain pipe; 22. Sewage pipe. DETAILED DESCRIPTION
[0018] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively below with reference to the relevant drawings. The utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.
[0019] Example 1
[0020] like Figures 1 to 5 The microfluid delivery automatic control device of the utility model comprises a base plate 1, a high-precision microfluid delivery pump 2, a pipeline A3, a pipeline B4, a plurality of microfluid delivery tubes 5 and a heat preservation device. The high-precision microfluid delivery pump 2 is fixedly installed on the upper end of the base plate 1, the output end of the high-precision microfluid delivery pump 2 is connected to the pipeline B4 through the pipeline A3, and the input ends of the plurality of microfluid delivery tubes 5 are all connected to the pipeline B4. The heat preservation device is installed on the base plate 1, and the heat preservation device is used to keep the plurality of microfluid delivery tubes 5 warm. When the microfluid is delivered, the microfluid is delivered to the pipeline A3 and the pipeline B4 in sequence through the high-precision microfluid delivery pump 2, and then the microfluid is delivered to the designated position through the plurality of microfluid delivery tubes 5 on the pipeline B4. When the microfluid is delivered in the plurality of microfluid delivery tubes 5, the plurality of microfluid delivery tubes 5 are kept warm by the heat preservation device, so as to reduce the heat exchange between the microfluid and the outside during the delivery process, and ensure the temperature during the microfluid delivery process. The utility model is convenient to use and has high reliability and practicality.
[0021] like Figure 3 and Figure 4The insulation device includes an insulation box 6, a bracket 7 and a temperature regulating device. The insulation box 6 is fixedly installed on the bottom plate 1 through the bracket 7. A chamber is arranged in the insulation box 6. The middle parts of the multiple groups of microfluid delivery tubes 5 are all located in the chamber of the insulation box 6. The temperature regulating device is installed on the insulation box 6. The temperature regulating device is used to adjust the temperature in the chamber of the insulation box 6. The insulation box 6 is provided with a thermometer. When the microfluid is transported in the multiple groups of microfluid delivery tubes 5, the temperature in the chamber of the insulation box 6 is adjusted by the temperature regulating device, so that the temperature in the chamber of the insulation box 6 is consistent with the transportation temperature of the microfluid, thereby reducing the heat exchange between the microfluid and the outside world during the transportation process, and ensuring the temperature of the microfluid during the transportation process.
[0022] like Figure 4 The temperature regulating device includes an input pipe 8, a delivery pipe 9, an air pipe A10, a delivery pump 11, an air outlet pipe 12, an air heater 13, an air cooler 14, a return pipe 15, a bend pipe 16, an output pipe 17 and a filtering device. The input pipe 8 is fixedly installed at the front of the chamber of the heat preservation box 6. A plurality of air inlet pipes are arranged on the input pipe 8. The output end of the input pipe 8 is connected to the filtering device through the delivery pipe 9. The filtering device has a filtering function. The input end of the air pipe A10 is connected to the filtering device. The output end of the air pipe A10 is connected to the filtering device. The outlet end is connected to the outlet pipe 12 through the delivery pump 11, and the outlet pipe 12 is provided with two sets of output ends, and the two sets of output ends of the outlet pipe 12 are provided with valves. The air heater 13 and the air cooler 14 are respectively connected to the two sets of output ends of the outlet pipe 12, and the output ends of the air heater 13 and the air cooler 14 are connected to the return pipe 15. The output end of the return pipe 15 is connected to the output pipe 17 through the elbow 16. The output pipe 17 is fixedly installed at the rear of the chamber of the incubator 6, and the output pipe 17 is provided with a There are multiple sets of exhaust pipes; when the air temperature in the chamber of the incubator 6 is adjusted, the delivery pump 11 is turned on, so that the gas in the chamber of the incubator 6 can enter the outlet pipe 12 through the input pipe 8, the delivery pipe 9, the filtering device and the delivery pump 11 in sequence; when the gas needs to be heated, the valve connected to the air heater 13 on the outlet pipe 12 is opened, so that the gas enters the air heater 13 through the outlet pipe 12 for heating; when the air needs to be cooled, the valve connected to the air cooler 14 on the outlet pipe 12 is opened, so that the air enters the air cooler 14 through the outlet pipe 12 for cooling; then the heated or cooled air flows back to the chamber of the incubator 6 through the return pipe 15, the elbow 16 and the output pipe 17, so that the temperature in the chamber of the incubator 6 is kept consistent with the delivery temperature of the microfluid; by heating or cooling the air in the chamber of the incubator 6, the temperature of the microfluid during the transportation process is guaranteed, and the heat exchange between the microfluid and the outside world during the transportation process is reduced, which is convenient to use and highly practical.
[0023] like Figure 2The filtering device includes a filter cartridge 18 and a filter screen 19. The filter cartridge 18 is fixedly installed on the heat preservation box 6. A filter cavity is arranged inside the filter cartridge 18. The output end of the delivery pipe 9 is communicated with the left end of the filter cartridge 18. The filter screen 19 is fixedly installed in the filter cavity of the filter cartridge 18. The input end of the air pipe A10 is communicated with the right part of the filter cavity of the filter cartridge 18. Valves are arranged on the delivery pipe 9 and the air pipe A10. When the gas in the chamber of the heat preservation box 6 enters the filter cavity of the air pipe A10 through the input pipe 8 and the delivery pipe 9, the gas is filtered by the filter screen 19 and then delivered to the delivery pump 11 through the air pipe A10. By filtering the gas, the solid impurities in the gas entering the delivery pump 11 are reduced. The gas is easy to use and has high reliability and practicality.
[0024] The multiple groups of microfluid delivery tubes 5 are all provided with direct current micro solenoid valves; the above arrangement facilitates the control of the delivery flow of the microfluid in the microfluid delivery tubes 5 .
[0025] The outer side wall of the heat preservation box 6 is provided with a heat preservation layer.
[0026] Example 2
[0027] like Figure 2 On the basis of Example 1, a high-pressure water pump 20, a drain pipe 21 and a sewage pipe 22 are additionally provided. The output end of the high-pressure water pump 20 is connected to the right part of the filter chamber of the filter cartridge 18 through the drain pipe 21. The drain pipe 21 is located on the right side of the filter screen 19. The sewage pipe 22 is installed on the left part of the filter cartridge 18. The upper end of the sewage pipe 22 is connected to the filter chamber of the filter cartridge 18. A valve is provided on the sewage pipe 22. When it is necessary to clean the solid impurities on the filter screen 19, the input end of the high-pressure water pump 20 is connected to the external water source. Then Open the valves on the sewage pipe 22 and the drain pipe 21, close the valves on the delivery pipe 9 and the air pipe A10, and then turn on the high-pressure water pump 20 to allow the external water to enter the right part of the filter chamber of the filter cartridge 18 through the high-pressure water pump 20 and the drain pipe 21 in turn, and then the water enters the left part of the filter cartridge 18 through the filter screen 19. While passing through the filter screen 19, the water washes off the solid impurities attached to the filter screen 19, and then the solid impurities and the delivery pipe can be discharged to the outside through the sewage pipe 22, which facilitates the flushing of the filter screen 19.
[0028] The high-precision microfluid delivery pump 2, microfluid delivery tube 5, delivery pump 11, air heater 13, air cooler 14, filter cartridge 18 and high-pressure water pump 20 of the microfluid delivery automatic control device of the utility model are all purchased on the market. The technicians in this industry only need to install and operate them according to the accompanying instruction manual, without the need for the technicians in this field to make creative efforts.
[0029] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.
Claims
1. A microfluid delivery automatic control device, comprising a base plate (1), a high-precision microfluid delivery pump (2), a pipeline A (3), a pipeline B (4) and a plurality of groups of microfluid delivery tubes (5), wherein the high-precision microfluid delivery pump (2) is fixedly mounted on the upper end of the base plate (1), the output end of the high-precision microfluid delivery pump (2) is connected to the pipeline B (4) through the pipeline A (3), and the input ends of the plurality of groups of microfluid delivery tubes (5) are all connected to the pipeline B (4); characterized in that: It also comprises a heat preservation device, which is installed on the bottom plate (1) and is used to keep multiple groups of microfluid delivery tubes (5) warm.
2. A microfluid transport automatic control device as claimed in claim 1, characterized in that: The heat preservation device comprises a heat preservation box (6), a bracket (7) and a temperature regulating device. The heat preservation box (6) is fixedly mounted on the bottom plate (1) via the bracket (7). A chamber is arranged in the heat preservation box (6). The middle parts of the plurality of groups of microfluid delivery tubes (5) are all located in the chamber of the heat preservation box (6). The temperature regulating device is mounted on the heat preservation box (6). The temperature regulating device is used to regulate the temperature in the chamber of the heat preservation box (6). A thermometer is arranged on the heat preservation box (6).
3. A microfluid transport automatic control device as claimed in claim 2, characterized in that: The temperature control device comprises an input pipe (8), a delivery pipe (9), an air pipe A (10), a delivery pump (11), an air outlet pipe (12), an air heater (13), an air cooler (14), a return pipe (15), a bend pipe (16), an output pipe (17) and a filtering device. The input pipe (8) is fixedly mounted on the front part of the chamber of the heat preservation box (6). A plurality of groups of air inlet pipes are arranged on the input pipe (8). The output end of the input pipe (8) is connected to the filtering device through the delivery pipe (9). The filtering device has a filtering function. The input end of the air pipe A (10) is connected to the filtering device. The output end of the air pipe A (10) is connected to the filtering device. The air outlet pipe (12) is connected to the delivery pump (11), two groups of output ends are arranged on the air outlet pipe (12), valves are arranged on the two groups of output ends of the air outlet pipe (12), an air heater (13) and an air cooler (14) are respectively connected to the two groups of output ends of the air outlet pipe (12), the output ends of the air heater (13) and the air cooler (14) are both connected to the return pipe (15), the output end of the return pipe (15) is connected to the output pipe (17) through the bent pipe (16), the output pipe (17) is fixedly installed at the rear of the chamber of the heat preservation box (6), and a plurality of exhaust pipes are arranged on the output pipe (17).
4. A microfluid transport automatic control device as claimed in claim 3, characterized in that: The filtering device comprises a filter cartridge (18) and a filter screen (19); the filter cartridge (18) is fixedly mounted on the heat preservation box (6); a filter chamber is arranged inside the filter cartridge (18); the output end of the delivery pipe (9) is connected to the left end of the filter cartridge (18); the filter screen (19) is fixedly mounted in the filter chamber of the filter cartridge (18); the input end of the air pipe A (10) is connected to the right part of the filter chamber of the filter cartridge (18); and valves are arranged on the delivery pipe (9) and the air pipe A (10).
5. A microfluid transport automatic control device as claimed in claim 4, characterized in that: The filter further comprises a high-pressure water pump (20), a drainage pipe (21) and a sewage pipe (22); the output end of the high-pressure water pump (20) is connected to the right part of the filter chamber of the filter cartridge (18) through the drainage pipe (21); the drainage pipe (21) is located on the right side of the filter screen (19); the sewage pipe (22) is installed on the left part of the filter cartridge (18); the upper end of the sewage pipe (22) is connected to the filter chamber of the filter cartridge (18); and a valve is arranged on the sewage pipe (22).
6. A microfluid transport automatic control device as claimed in claim 1, characterized in that: The multiple groups of microfluid delivery tubes (5) are all provided with direct current micro electromagnetic valves.
7. A microfluid transport automatic control device as claimed in claim 2, characterized in that: A heat-insulating layer is provided on the outer side wall of the heat-insulating box (6).