CN214020498U

CN214020498U - Heat collection type constant temperature magnetic stirrer with induction timing function

Info

Publication number: CN214020498U
Application number: CN202022786933.1U
Authority: CN
Inventors: 刘梦茹; 王朵; 赵泽晖
Original assignee: Shandong University of Science and Technology
Current assignee: Shandong University of Science and Technology
Priority date: 2020-11-27
Filing date: 2020-11-27
Publication date: 2021-08-24
Anticipated expiration: 2030-11-27

Abstract

The utility model discloses a thermal-arrest formula constant temperature magnetic stirrers with response timing function, including base, heat insulating board, heating pot, the heat insulating board passes through the landing leg setting in the base top, the heating pot sets up in the heat insulating board top, be provided with temperature sensor in the heating pot, place the beaker in the heating pot, base one side is fixed with the dead lever of perpendicular setting, the beaker presss from both sides and elevating system is connected with the dead lever through adjustable beaker, base one side is provided with the controller, the controller includes control module, display module, timing module, the heat insulating board bottom is provided with gravity sensor, display module, timing module, gravity sensor, temperature sensor are connected respectively to control module. The gravity sensor and the controller are adopted to realize the induction timing function, and the timing module drives the accumulative timing by the control module according to the detection condition of the gravity sensor, so that the timing is accurate.

Description

Heat collection type constant temperature magnetic stirrer with induction timing function

Technical Field

The utility model relates to a magnetic stirrers technical field, concretely relates to thermal-arrest formula constant temperature magnetic stirrers with response timing function.

Background

The magnetic stirrer is a laboratory instrument for mixing liquid, and is mainly used for stirring or simultaneously heating and stirring liquid with low viscosity or a solid-liquid mixture, when some test samples are heated and stirred, the heating and stirring time is short, the heating and stirring time is high, and the time needs to be strictly controlled; in addition, when a sample is taken out and observed, if the water bath heating temperature is high, a burn or the like is likely to occur when the sample is taken out and observed in a beaker.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a thermal-arrest formula constant temperature magnetic stirrers with response timing function adopts gravity sensor and controller to realize responding to timing function, and timing module is put the beaker or is taken out the beaker and can prevent to scald in the heating pot through elevating system according to gravity sensor's the accumulative total timing of detection condition drive, timing accuracy, and still can prevent that the beaker from rocking at the stirring in-process.

The utility model discloses a realize above-mentioned purpose, the technical solution who adopts is:

the heat collection type constant temperature magnetic stirrer with the induction timing function comprises a base, a heat insulation plate and a heating pot, wherein the heat insulation plate is arranged above the base through supporting legs, the heating pot is arranged above the heat insulation plate, a temperature sensor is arranged in the heating pot, a motor is arranged in the base, one end of the motor is connected with a strong magnet through a rotating shaft, the strong magnet is located at the central position of the heat insulation plate, a beaker is placed in the heating pot, a stirrer is arranged in the beaker, a fixing rod which is vertically arranged is fixed on one side of the base, the beaker is connected with the fixing rod through an adjustable beaker clamp and a lifting mechanism, a controller is arranged on one side of the base and comprises a control module, a display module and a timing module, a gravity sensor is arranged at the bottom of the base, the control module is respectively connected with the display module, the heat insulation plate, Timing module, gravity sensor, temperature sensor.

Preferably, elevating system includes lift horizontal pole, slip montant, the lift horizontal pole is perpendicular with the dead lever, the slip montant is perpendicular with the lift horizontal pole, the lift horizontal pole is connected with the dead lever along vertical direction sliding, slip montant and lift horizontal pole along horizontal direction sliding connection, adjustable beaker presss from both sides and fixes in slip montant bottom.

Preferably, adjustable beaker presss from both sides including lead screw fixed plate, lead screw backup pad, two-way lead screw and beaker, lead screw backup pad and beaker press from both sides and all set up 2, the lead screw fixed plate is fixed in slip montant bottom, the lead screw backup pad is fixed at lead screw fixed plate both ends, two-way lead screw rotates to be connected in two lead screw backup pads, two-way lead screw is provided with one section left-handed thread and one section right-handed thread on the surface, 2 beaker presss from both sides respectively threaded connection in two-way lead screw's left-handed thread section and right-handed thread section.

Preferably, one end of the bidirectional screw penetrates through one screw supporting plate, a hand wheel is fixed at the end of the bidirectional screw, and a handle is arranged on the hand wheel.

Preferably, the beaker clamps are arc-shaped, 2 beaker clamps are symmetrically arranged, and the beakers are fixed between the 2 beaker clamps.

Preferably, the anti-skid rubber pad is glued on the arc-shaped inner wall of the beaker clamp.

Preferably, a heating pot temperature control switch, a heating pot temperature control knob, a motor switch and a motor rotating speed knob are arranged on one side of the base.

The utility model has the advantages that:

(1) the gravity sensor and the controller are adopted to realize the induction timing function, and the timing module drives the accumulated timing by the control module according to the detection condition of the gravity sensor, so that the timing is accurate;

(2) the sliding vertical rods slide along the lifting cross rods, so that the position of the beaker clamp can be adjusted conveniently, the beaker is positioned at the center of the heating pot, and the beaker clamp is suitable for heating pots with different diameters;

(3) put the beaker in the heating pot or take out the beaker through elevating system and adjustable beaker clamp and can prevent to scald, and this elevating system still can prevent that the beaker from rocking at the stirring in-process, and adjustable beaker clamp adopts two-way lead screw, makes the beaker press from both sides tightly inwards or outwards open convenient operation simultaneously.

Drawings

In order to clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of the overall structure of an embodiment of the present invention;

FIG. 2 is a schematic structural view of an adjustable beaker clamp;

fig. 3 is a control schematic of the controller.

The figure is marked with: 1. a base; 2. a heat insulation plate; 3. heating the pan; 4. a temperature sensor; 5. a motor; 6. a strong magnet; 7. a beaker; 8. a stirrer; 9. fixing the rod; 10. the beaker clamp can be adjusted; 101. a lead screw fixing plate; 102. a lead screw support plate; 103. a bidirectional lead screw; 104. a beaker clamp; 105. a hand wheel; 106. a handle; 11. a lifting mechanism; 111. a lifting cross bar; 112. sliding the vertical rod; 113. a sleeve A; 114. a sleeve B; 115. locking the bolt; 116. a fixed block; 12. a controller; 13. a gravity sensor; 14. a heating pot temperature control switch; 15. heating a pan temperature control knob; 16. a motor switch; 17. and a motor rotating speed knob.

Detailed Description

The utility model provides a thermal-arrest formula constant temperature magnetic stirrers with response timing function, for making the utility model discloses a purpose, technical scheme and effect are clearer, more clear and definite, and is following right the utility model discloses further detailed description. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The present invention will be described in detail with reference to the accompanying drawings:

example 1

Referring to fig. 1 and 3, a heat collection type constant temperature magnetic stirrer with induction timing function comprises a base 1, a heat insulation plate 2, a heating pan 3, wherein the heat insulation plate 2 is arranged above the base 1 through a support leg, the heating pan 3 is arranged above the heat insulation plate 2, a temperature sensor 4 is arranged in the heating pan 3, a motor 5 is arranged in the base 1, one end of the motor 5 is connected with a strong magnet 6 through a rotating shaft, the strong magnet 6 is positioned at the central position of the heat insulation plate 2, a beaker 7 is arranged in the heating pan 3, a stirrer 8 is arranged in the beaker 7, a vertically arranged fixed rod 9 is fixed at one side of the base 1, the beaker 7 is connected with the fixed rod 9 through an adjustable beaker clamp 10 and a lifting mechanism 11, a controller 12 is arranged at one side of the base 1, the controller 12 comprises a control module, a display module and a timing module, a display screen is arranged on the controller 12, a gravity sensor 13 is arranged at the bottom of the heat insulation plate 2, the control module is respectively connected with the display module, the timing module, the gravity sensor 13 and the temperature sensor 4 through signal lines, the timing module is driven by the control module to perform accumulated timing according to the detection condition of the gravity sensor 13, and the display module is connected with the display screen and can display the temperature detected by the temperature sensor 4 and the timing time.

In this embodiment, the lifting mechanism 11 includes a lifting cross rod 111 and a sliding vertical rod 112, the lifting cross rod 111 is located above the heating pot 3, a scale is arranged on the lifting cross rod 111, the lifting cross rod 111 is perpendicular to the fixing rod 9, the lifting cross rod 111 can slide vertically along the fixing rod 9, the sliding vertical rod 112 is perpendicular to the lifting cross rod 111, the sliding vertical rod 112 can slide horizontally along the lifting cross rod 111, and the adjustable beaker clamp 10 is fixed at the bottom of the sliding vertical rod 112. Specifically, the one end of lift horizontal pole 111 is provided with sleeve A113, lift horizontal pole 111 passes through sleeve A113 and slides perpendicularly along dead lever 9, the top of slip montant 112 is provided with sleeve B114, slip montant 112 passes through sleeve B114 and slides along lift horizontal pole 111 level, and sleeve B114 one side middle part is provided with the locking hole, it is fixed with lift horizontal pole 111 to slide montant 112 through locking bolt 115, the bottom of slip montant 112 is provided with fixed block 116, adjustable beaker clamp 10 is fixed on the fixed block 116 of slip montant 112 bottom. The vertical sliding rod 112 can horizontally slide along the lifting cross rod 111, and the lifting cross rod 111 is provided with a graduated scale, so that the position of the adjustable beaker clamp 10 can be conveniently adjusted, the beaker 7 is positioned at the center of the heating pot 3, and the adjustable beaker clamp is suitable for heating pots with different diameters; in addition, the beaker 7 can be prevented from being scalded by placing the beaker 7 in the heating pot 3 or taking out the beaker 7 through the lifting mechanism 11, and the lifting mechanism 11 can also prevent the beaker 7 from shaking in the stirring process.

The adjustable beaker clamp 10 comprises a screw fixing plate 101, screw supporting plates 102, a bidirectional screw 103 and a beaker clamp 104, wherein 2

screw supporting plates

102 and 2 beaker clamps 104 are arranged, the screw fixing plate 101 is fixed on a fixing block 116 at the bottom end of a sliding vertical rod 112, the screw supporting plates 102 are fixed at two ends of the screw fixing plate 101, the bidirectional screw 103 is rotatably connected with the two screw supporting plates 102, one end of the bidirectional screw 103 penetrates through one screw supporting plate 102 and a hand wheel 105 is fixed at the end part, a handle 106 is arranged on the hand wheel 105, the bidirectional screw 103 does not penetrate through the other screw supporting plate 102, the screw supporting plate 102 has a blocking effect on the bidirectional screw 103, a section of left-handed thread and a section of right-handed thread are arranged on the surface of the bidirectional screw 103, the 2 beaker clamps 104 are respectively in threaded connection with the left-handed thread section and the right-handed thread section of the bidirectional screw 103, and the bidirectional screw 103 adopts a ball screw, the bidirectional screw 103 can be rotated by the handle 106 or the handwheel 105, and the beaker clamps 104 can be driven to move along the bidirectional screw 103 in the opposite direction or in the opposite direction, so that the beaker clamps 104 can be simultaneously clamped inwards or opened outwards.

The beaker clamps 104 are arc-shaped, the 2 beaker clamps 104 are symmetrically arranged, and the arc-shaped inner wall of the beaker clamps 104 is glued with an anti-skid rubber pad, so that the beaker 7 is firmly fixed between the 2 beaker clamps 104.

In addition, in this embodiment, a heating pan temperature control switch 14, a heating pan temperature control knob 15, a motor switch 16, and a motor rotation speed knob 17 are further disposed on one side of the base 1, so as to adjust the heating temperature of the heating pan 3 and the rotation speed of the motor 5, thereby controlling the stirring speed of the stirrer 8.

In the heat collection type constant temperature magnetic stirrer with the induction timing function provided by the embodiment, the gravity sensor 13 and the controller 12 are adopted to realize the induction timing function, a control program needs to be preset before use, so that the timing module is driven by the control module to carry out accumulated timing according to the detection condition of the gravity sensor 13, specifically, firstly, water is added into the heating pan 3, the heating temperature of the heating pan 3 is adjusted through the heating pan temperature control knob 15, then the controller 12 is started, the control module of the controller 12 receives the data detected by the temperature sensor 4 and transmits the data to the display module to be displayed on the display screen, meanwhile, the control module of the controller 12 also receives the data detected by the gravity sensor 13 and automatically records the data as an initial value, and when the temperature in the heating pan 3 reaches the set temperature, the stirrer is installed through the adjustable beaker clamp 10 and the lifting mechanism 11, The beaker 7 of the test liquid and the sample is naturally placed in the center of the bottom of the heating pot 3 by means of gravity, data detected by the gravity sensor 13 at the bottom of the heat insulation plate 2 can be changed, the control module of the controller 12 receives the data detected by the gravity sensor 13 again and records the data as a detection value, the detection value is larger than an initial value, the control module sends a signal to control the timing module to start timing at the moment, when the sample needs to be observed to take the beaker 7 out or the beaker is taken out after the test is completed, the data detected by the gravity sensor 13 is smaller than or equal to the initial value, the control module sends a signal to control the timing module to stop timing, when the beaker 7 is placed again, the timing module continues to count time in an accumulated mode, the timing time can be displayed on a display screen, the heating and stirring time can be accurately recorded, and the test requirements are met.

In this embodiment, the operation method of placing or taking out the beaker 7 into or from the heating pan 3 by using the adjustable beaker holder 10 and the lifting mechanism 11 is as follows: (1) firstly, the position of a sliding vertical rod 112 is adjusted according to a graduated scale on a lifting cross rod 111, so that the center of a beaker clamp 104 is positioned at the center of a heating pot 3, and then the lifting mechanism 11 and an adjustable beaker clamp 10 are taken down from a fixed rod 9; (2) adjusting beaker clamps 104 according to the size of the beaker 7, if the diameter of the beaker 7 is larger, rotating a bidirectional screw 103 by rotating a handle 106 or a handwheel 105 to enable 2 beaker clamps 104 to move back and forth along the bidirectional screw 103, so that the beaker 7 is opened outwards, then placing the beaker 7 between the 2 beaker clamps 104, rotating the handle 106 or the handwheel 105 in the opposite direction again to enable 2 beaker clamps 104 to move oppositely along the bidirectional screw 103, so that the beaker clamps 104 clamp the beaker 7 inwards, and adding liquid, a sample and a stirrer 8 required by the test into the beaker 7; (3) the beaker 7 is placed into the heating pot 3 by holding the lifting cross bar 111 with a hand, and the sleeve A113 of the lifting cross bar 111 is sleeved on the fixing rod 9, so that the beaker 7 naturally falls on the bottom of the heating pot 3 by means of gravity. In addition, when taking out the beaker 7, the user only needs to hold the lifting cross bar 111 to take out the beaker 7, thereby preventing scald.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships 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.

The parts not mentioned in the utility model can be realized by adopting or using the prior art for reference.

Of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and the changes, modifications, additions or substitutions made by those skilled in the art within the scope of the present invention should also belong to the protection scope of the present invention.

Claims

1. The utility model provides a thermal-arrest formula constant temperature magnetic stirrers with response timing function, includes base (1), heat insulating board (2), heating pot (3), heat insulating board (2) set up in base (1) top through the landing leg, heating pot (3) set up in heat insulating board (2) top, be provided with temperature sensor in heating pot (3), base (1) inside is provided with motor (5), the one end of motor (5) is connected with strong magnet (6) through the pivot, strong magnet (6) are located the central point of heat insulating board (2) and put beaker (7), be provided with stirring (8) in beaker (7), its characterized in that: the base (1) one side is fixed with dead lever (9) of perpendicular setting, beaker (7) are connected with dead lever (9) through adjustable beaker clamp (10) and elevating system (11), base (1) one side is provided with controller (12), controller (12) are including control module, display module, timing module, heat insulating board (2) bottom is provided with gravity sensor (13), display module, timing module, gravity sensor (13), temperature sensor (4) are connected respectively to control module.

2. The heat collection type thermostatic magnetic stirrer with induction timing function according to claim 1, wherein the lifting mechanism (11) comprises a lifting cross rod (111) and a sliding vertical rod (112), the lifting cross rod (111) is perpendicular to the fixing rod (9), the sliding vertical rod (112) is perpendicular to the lifting cross rod (111), the lifting cross rod (111) is slidably connected with the fixing rod (9) along the vertical direction, the sliding vertical rod (112) is slidably connected with the lifting cross rod (111) along the horizontal direction, and the adjustable beaker clamp (10) is fixed at the bottom of the sliding vertical rod (112).

3. The heat collection type constant temperature magnetic stirrer with the induction timing function is characterized in that the adjustable beaker clamp (10) comprises a lead screw fixing plate (101), a lead screw supporting plate (102), a bidirectional lead screw (103) and a beaker clamp (104), wherein the lead screw supporting plate (102) and the beaker clamp (104) are respectively provided with 2 parts, the lead screw fixing plate (101) is fixed at the bottom of a sliding vertical rod (112), the lead screw supporting plate (102) is fixed at two ends of the lead screw fixing plate (101), the bidirectional lead screw (103) is rotatably connected with the two lead screw supporting plates (102), the bidirectional lead screw (103) is provided with one section of left-handed thread and one section of right-handed thread on the surface, and the two beaker clamps (104) are respectively in threaded connection with a left-handed thread section and a right-handed thread section of the bidirectional lead screw (103).

4. The heat collection type thermostatic magnetic stirrer with induction timing function according to claim 3, characterized in that one end of the bidirectional screw (103) penetrates one of the screw support plates (102) and a hand wheel (105) is fixed at the end, and a handle (106) is arranged on the hand wheel (105).

5. The heat collection type thermostatic magnetic stirrer with induction timing function according to claim 3, characterized in that the beaker clamps (104) are arc-shaped, 2 beaker clamps (104) are symmetrically arranged, and the beaker (7) is fixed between the 2 beaker clamps (104).

6. The heat collection type constant temperature magnetic stirrer with induction timing function as claimed in claim 5, wherein the arc inner wall of the beaker clamp (104) is glued with a non-slip rubber pad.

7. The heat collection type constant temperature magnetic stirrer with induction timing function according to claim 1, characterized in that one side of the base (1) is provided with a heating pan temperature control switch (14), a heating pan temperature control knob (15), a motor switch (16) and a motor rotation speed knob (17).