CN112007596A - Intelligent parallel light reaction instrument - Google Patents
Intelligent parallel light reaction instrument Download PDFInfo
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- CN112007596A CN112007596A CN201910469034.8A CN201910469034A CN112007596A CN 112007596 A CN112007596 A CN 112007596A CN 201910469034 A CN201910469034 A CN 201910469034A CN 112007596 A CN112007596 A CN 112007596A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
- B01J19/12—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electromagnetic waves
- B01J19/122—Incoherent waves
- B01J19/127—Sunlight; Visible light
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0006—Controlling or regulating processes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0053—Details of the reactor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0053—Details of the reactor
- B01J19/0066—Stirrers
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Abstract
The invention discloses an intelligent parallel light reaction instrument, which comprises: the device comprises a parallel reaction tank, an LED light-emitting module, a magnetic stirring module, a fan cooling module and an intelligent control module. The intelligent parallel light reaction instrument provided by the invention has the advantages of standardization, intellectualization and the like, the light intensity of the light source can be conveniently changed, the repeatability of the reaction promoted by visible light is effectively ensured, the real-time monitoring and the remote control of the reaction instrument can be realized, and each parameter in the reaction instrument can be simply and quickly controlled; when the light is not used, the reactor can also be used as a room-temperature parallel reactor.
Description
Technical Field
The invention relates to the technical field of visible light parallel reaction devices, in particular to an intelligent parallel light reaction instrument.
Background
Visible light is used as renewable green energy, the reserves are abundant, the environment is friendly, and the synthesis of an organic molecular framework by utilizing visible light catalysis is a major subject of synthetic chemistry. The visible light catalysis can realize the electron transfer between the catalyst and the substrate under mild conditions, reduce the activation energy of the reaction, and is a green and efficient reaction path. Meanwhile, the catalyst can be cooperated with organic micromolecule catalysis and transition metal catalysis, so that the reaction type is greatly expanded, and the synthesis of complex natural products under mild conditions is realized. In the reaction, a photocatalyst can be used as an oxidant and a reducing agent in different reaction systems, so that the reaction diversity is fully embodied, and particularly in recent years, as the visible light catalytic reaction is mild, a free radical initiator is not required to be added, the operation is simple and convenient, and chemists report a large amount of visible light catalytic work (chem.Rev.2013,113, 5322-5363).
The development of the photochemical reaction promotes the development of the photoreactor, and in 2017, the Merck company in the United states develops a novel photoreactor (ACS Cent. Sci.2017,3, 647-. However, the reactor has many disadvantages in practical application, which are summarized as follows: (1) only one reaction can be started each time, so that the efficiency of a chemist and the value in practical application are greatly reduced; (2) the reaction device does not have the characteristic of intellectualization, namely, the reaction condition can not be monitored in real time and various parameters can not be controlled in a remote control mode; (3) the reaction device only provides a light source of 450nm, so that only visible light with specific wavelength can be used in one reactor, and the application range of the reactor is limited directly; (4) the lamp source can only irradiate the reaction system from the bottom, so that the photon utilization efficiency of the reaction device is reduced; (5) the reactor design is not for the international standard schleck reactor tube, so that it cannot serve a significant portion of the national regions of chemists, such as the continental china.
Disclosure of Invention
The invention provides an intelligent parallel photochemical reaction instrument for overcoming the defects in the prior art, which comprises:
the parallel reaction tank is fixed on the bottom plate through a clamping groove, and the clamping groove is also used for connecting a circuit; detachable LED lamp fixing grooves are formed in two sides of the parallel reaction tank;
the LED light-emitting module is fixed on the parallel reaction tanks through the LED lamp fixing grooves;
the magnetic stirring module comprises a stirring motor, a magnet, a fixing frame and a magnet bracket; the stirring motor is supported by the fixing frame and is connected with the intelligent control module; the fixed frame is fixed on the bottom plate; the magnets are connected to two ends of a magnet support, and the magnet support is driven by the stirring motor to drive the magnets to rotate so as to realize magnetic field change;
the fan cooling module comprises a fan arranged at the bottom of the bottom plate, and the fan is connected with the intelligent control module;
the intelligent control module comprises a mainboard and a control panel connected with the mainboard; the control panel is provided with a full touch screen display; and the mainboard is provided with a wifi transmitter.
In the invention, eight groups of parallel reaction tanks are provided, a Schlenk reaction tube is arranged in the reaction tanks, and a detachable gasket is arranged in the reaction tanks.
In the invention, the LED light-emitting module is detachably arranged in the parallel reaction tank, and the LED lamp fixing groove is arranged at the lower end of the parallel reaction tank and is connected with the pole on the clamping groove for supplying power.
In the invention, the control panel controls and monitors the light intensity, the rotating speed and the temperature.
In the invention, the wifi module is connected with the mobile phone APP to realize remote control.
In the invention, the back of the LED light-emitting module is connected with an aluminum radiating fin.
In the invention, the back surface of the LED light-emitting module is connected with a power supply.
The invention further comprises a temperature sensor which is arranged in the parallel reaction tank and connected with the main board.
In the invention, the stirring motor adjusts the rotating speed by using PWM.
By means of the scheme, the method has the advantages that: the invention realizes the intelligent and standardized control of the photochemical reaction instrument, realizes the difficult problem that the reaction instrument can not realize control and monitoring in non-working time for a long time, enables chemical workers to observe the state of the reaction device in real time, and greatly reduces the safety risk. The introduction of the equipment can possibly drive the research and development of related equipment in the market and drive the controllable development of the whole laboratory, the product has an absolutely leading status at home and abroad at present, and the product is not seen in the market at present.
The intelligent parallel light reaction instrument provided by the invention has the advantages of standardization, intellectualization and the like, the light intensity of the light source can be conveniently changed, the repeatability of the reaction promoted by visible light is effectively ensured, the real-time monitoring and the remote control of the reaction instrument can be realized, and each parameter in the reaction instrument can be simply and quickly controlled; when the light is not used, the reactor can also be used as a room-temperature parallel reactor.
Drawings
FIG. 1 is a front view of the intelligent parallel photochemical reactor of the present invention.
FIG. 2 is a side sectional view of the intelligent parallel photochemical reactor of the present invention.
FIG. 3 is a top view of the intelligent parallel photochemical reactor of the present invention.
Fig. 4 is a schematic structural view of a card slot in the present invention.
FIG. 5 is a perspective view of the intelligent parallel photochemical reactor of the present invention.
Detailed Description
The invention is further described in detail with reference to the following specific examples and the accompanying drawings. The procedures, conditions, experimental methods and the like for carrying out the present invention are general knowledge and common general knowledge in the art except for the contents specifically mentioned below, and the present invention is not particularly limited.
In the drawings 1-4, (1) a parallel reaction tank, (2) a clamping groove, (3) a stirring motor, (4) a fan, (5) a control panel,
(6) the LED lamp comprises a touch display screen, (7) an LED lamp fixing groove, (8) an electrode point, (9) a fixing support, (10) a magnet and (11) a magnet support.
The main body part of the reactor comprises eight reaction tanks which are respectively provided with independent circuits, and the reaction tanks are fixed and connected with the circuits through clamping grooves; the reaction tank is designed to be 8, and the space of the reactor is utilized to the maximum extent.
The parallel reaction tank is internally provided with a Schlenk reaction tube which is commonly used in China, is provided with a gasket with adjustable size, and can be suitable for reaction tubes with volumes of 10mL and 25 mL.
The outer wall of the parallel reaction tank is made of aluminum materials, so that the temperature is favorably reduced. Detachable LED lamp fixing grooves are formed in two sides of the parallel reaction groove and used for fixing the LED light-emitting module; the LED light-emitting module lamp is arranged in the parallel reaction tank, the outer wall of the parallel reaction tank is arranged on the back of the parallel reaction tank and is connected with the clamping groove, the clamping groove is provided with an electrode point for being connected with the main board for power supply, and the back of the LED lamp is also connected with an aluminum radiating fin which can effectively avoid the problems of light leakage and the like between a bulb and a reaction tube.
The stirring motors are arranged at the central positions of the eight reaction tanks, and the effective stirring of a reaction system is realized through the regular change of the magnetic field of the central magnet; stirring motor passes through the mount to be supported on the bottom plate, is furnished with high-efficient magnet, even at magnet support both ends, through stirring motor drive magnet support, drives magnet and rotates and realize the magnetic field change to realize the stirring of reaction tube internal magnet.
The reactor bottom plate below is furnished with fan cooling module, including the cooling fan, and it realizes the intelligent regulation of fan rotational speed through control panel according to the temperature variation condition in the reaction tank.
The whole reaction circuit is controlled by an integrated mainboard and is uniformly supplied with power by an integrated power supply; the mainboard is provided with a wifi transmitter, and data can be uploaded to an APP matched with the smart phone through wireless connection so as to realize real-time monitoring; the front end of the reactor is provided with a control panel which is provided with a full touch screen display and is used for controlling the rotating speed of the stirring motor, the rotating speed of the fan, the power output of each reaction tube and the illumination intensity (lumen value) in the reaction tubes to be monitored in real time. The power output of the reaction tube refers to the current voltage value of the LED lamp.
The control panel is positioned at the front end of the reactor, can realize the independent control of the output power of the eight reaction tanks, controls the rotating speed of the stirring motor and the rotating speed of the fan, and monitors the temperature change in the reaction system; even there is wifi emitter on the mainboard, wireless network can be connected to with data transmission to touch-sensitive screen and smart mobile phone APP, consequently this reaction appearance can realize each item data control through the touch-sensitive screen, also can realize remote control through the smart mobile phone.
Examples
As shown in fig. 1, the intelligent parallel photochemical reactor provided by the invention comprises a parallel reaction tank for performing a chemical reaction, a module for controlling the temperature of the reaction, a module for stirring, a module for emitting light from an LED for performing the reaction, an integrated control module and an intelligent terminal module.
The control panel is positioned at the front end of the reaction instrument, and can respectively adjust the luminous intensity of the LED lamp, the rotation rate of the motor and the rotation rate of the fan. Wherein, eight groups of LED lamps are total and do not influence each other and can switch alone, and three LED lamps of every group can establish ties or connect in parallel to can carry out automatically regulated to every group lamp, the error is less than 0.1W.
The temperature control module comprises a temperature sensor and a cooling fan, the temperature of the reaction instrument is monitored through the control panel, and the cooling fan is adjusted through the control panel.
The stirring motor uses PWM to adjust the rotating speed, is provided with a high-efficiency magnet, and the rotating speed is adjusted by the cooling fan according to the temperature of the equipment, and the error is less than 10 revolutions per minute.
In addition, the instrument is provided with a wifi intelligent module, and after the wifi intelligent module is connected with a wireless network, the functions can be remotely monitored and controlled through a mobile phone APP.
This parallel light reaction appearance has been equipped with eight parallel reaction tanks altogether, and the outside is aluminium system material, and the LED lamp is fixed in both sides, has good thermal diffusivity and does not have the hindrance to the light path, does not absorb any light energy, can furthest performance light energy efficiency, and the draw-in groove can be very convenient change the LED lamp in addition, is convenient for be applicable to different organic photochemical reactions.
The Schlenk reaction tubes are arranged in the reaction tank, and the sizes and the heights of the reaction tubes with different sizes can be adjusted through the detachable gaskets, so that the consistency of the light intensity of the reaction is realized to the maximum extent, and the repetition of the experiment is facilitated. In addition, when the light source is not needed to be used as a reaction, the LED lamp can be turned off and used as a common parallel reaction instrument.
The parallel light reaction instrument is independently designed and assembled, and has simple design structure and convenient production; a parallel reaction tank, an LED light-emitting module, a magnetic stirring module, a fan cooling module and an intelligent control module which are required by reaction are designed; the device has the characteristics of small volume, adjustable and replaceable LED lamps, high temperature control precision and the like, can realize remote monitoring and remote control by combining an intelligent terminal, and can be widely applied to photochemical reaction or common chemical reaction in a laboratory.
The protection of the present invention is not limited to the above embodiments. Variations and advantages that may occur to those skilled in the art may be incorporated into the invention without departing from the spirit and scope of the inventive concept, and the scope of the appended claims is intended to be protected.
Claims (9)
1. An intelligent parallel photochemical reactor, comprising:
the parallel reaction tank is fixed on the bottom plate through a clamping groove, and the clamping groove is also used for connecting a circuit; detachable LED lamp fixing grooves are formed in two sides of the parallel reaction tank;
the LED light-emitting module is fixed on the parallel reaction tanks through the LED lamp fixing grooves;
the magnetic stirring module comprises a stirring motor, a magnet, a fixing frame and a magnet bracket; the stirring motor is supported by the fixing frame and is connected with the intelligent control module; the fixed frame is fixed on the bottom plate; the magnets are connected to two ends of a magnet support, and the magnet support is driven by the stirring motor to drive the magnets to rotate so as to realize magnetic field change;
the fan cooling module comprises a fan arranged at the bottom of the bottom plate, and the fan is connected with the intelligent control module;
the intelligent control module comprises a mainboard and a control panel connected with the mainboard; the control panel is provided with a full touch screen display; and the mainboard is provided with a wifi transmitter.
2. The intelligent parallel photochemical reactor according to claim 1, wherein there are eight groups of the parallel reaction tanks, and a schleck reaction tube is placed inside and a detachable washer is provided.
3. The intelligent parallel photochemical reactor according to claim 1, wherein the LED light-emitting module is detachably disposed inside the parallel reaction tank, and the LED light fixing groove is disposed at a lower end of the parallel reaction tank and connected to an electrode point on the card slot for supplying power.
4. The intelligent parallel photochemical reactor of claim 1, wherein the control panel controls and monitors light intensity, rotation speed and temperature.
5. The intelligent photochemical reaction instrument of claim 1, wherein the wifi module is connected to a mobile phone APP for remote control.
6. The intelligent photochemical reaction instrument of claim 1, wherein an aluminum heat sink is attached to the back of the LED light module.
7. The intelligent photochemical reactor according to claim 1, wherein the back side of the lamp of the LED lighting module is connected to a power supply.
8. The intelligent photochemical reactor according to claim 1, further comprising a temperature sensor disposed in the parallel reaction tank and connected to the main plate.
9. The intelligent photochemical reactor of claim 1, wherein the stirring motor uses PWM to adjust the rotation speed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910469034.8A CN112007596A (en) | 2019-05-31 | 2019-05-31 | Intelligent parallel light reaction instrument |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910469034.8A CN112007596A (en) | 2019-05-31 | 2019-05-31 | Intelligent parallel light reaction instrument |
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| CN112007596A true CN112007596A (en) | 2020-12-01 |
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| CN201910469034.8A Pending CN112007596A (en) | 2019-05-31 | 2019-05-31 | Intelligent parallel light reaction instrument |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113559805A (en) * | 2021-08-24 | 2021-10-29 | 忻州师范学院 | Multi-channel photocatalytic reaction device and reaction method thereof |
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- 2019-05-31 CN CN201910469034.8A patent/CN112007596A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113559805A (en) * | 2021-08-24 | 2021-10-29 | 忻州师范学院 | Multi-channel photocatalytic reaction device and reaction method thereof |
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