CN211385078U

CN211385078U - Intelligence moisturizing constant temperature water-bath

Info

Publication number: CN211385078U
Application number: CN201922243795.XU
Authority: CN
Inventors: 庞森林; 朱永昌; 张盼; 姬生喜; 罗洪舟
Original assignee: Shenzhen Three Green Technology Co ltd
Current assignee: Shenzhen Three Green Technology Co ltd
Priority date: 2019-12-13
Filing date: 2019-12-13
Publication date: 2020-09-01
Anticipated expiration: 2029-12-13

Abstract

The utility model relates to an intelligent water-replenishing constant-temperature water bath kettle, which comprises a box body, a water tank arranged in the box body and a heating rod arranged at the bottom of the water tank, wherein a water-replenishing tank is arranged at the side surface of the box body, a connecting plate is arranged between the water-replenishing tank and the box body, a heating pipe is arranged at the bottom of the water-replenishing tank, a solenoid valve is arranged at the lower end of the connecting plate, a hole is arranged at the upper part of the connecting plate, a movable rod is connected in the hole, two ends of the movable rod extend out of the hole, a floating; a microswitch is arranged in the connecting plate and comprises a driving sheet, the driving sheet is positioned in the open hole, and when the floating ball moves downwards for a certain height, the movable rod can be pressed against the driving sheet; the micro switch is electrically connected with the electromagnetic valve and is connected with the power supply in series. When the water level in the water tank drops to a certain height, the water replenishing tank can replenish water to the water tank, the water level in the water tank is not lower than a set range, and errors of test results are reduced.

Description

Intelligence moisturizing constant temperature water-bath

Technical Field

The utility model belongs to the technical field of the technique of laboratory instrument and specifically relates to a intelligence moisturizing constant temperature water-bath.

Background

The constant-temperature water bath kettle is mainly used for distilling, drying and concentrating chemical products or biological products in a laboratory, and can also be used for constant-temperature heating experiments at other temperatures. A stainless steel tubular heater is horizontally placed in a constant-temperature water bath kettle, a temperature control instrument and a power switch are arranged on the constant-temperature water bath kettle, the water bath kettle is usually made of copper or aluminum, and when a heated object is required to be heated uniformly, the temperature is not more than 100 ℃.

When a constant-temperature water bath is used for testing, a certain amount of water is added into a water tank of the water bath, then a container containing a sample is placed in the water tank of the water bath, the sample in the container is located below the liquid level of the water tank, but the water in the water tank is continuously evaporated along with the increase of the water bath heating time of the sample, the liquid level in the water tank is continuously reduced, the height of the sample exposed in the air is increased, the sample is uniformly heated, a uniform product is obtained, water needs to be added before the water level is reduced to the sample, the height of the water in the water tank is ensured, the test error is reduced, an operator needs to add water for multiple times at certain intervals during the period, and the test is very inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an intelligence moisturizing constant temperature water bath can the hot water in the automatic compensation basin, makes the liquid level in the basin keep at certain within range, is not less than the water level of settlement to reduce experimental error.

The above object of the present invention is achieved by the following technical solutions: an intelligent water-replenishing constant-temperature water bath kettle comprises a box body, a water tank arranged in the box body and a heating rod arranged at the bottom of the water tank, wherein a water replenishing tank is arranged on the side surface of the box body, a connecting plate is arranged between the water replenishing tank and the box body, a heating pipe is arranged at the bottom of the water replenishing tank, an electromagnetic valve is arranged at the lower end of the connecting plate, one end of a valve body on the electromagnetic valve is communicated with the water replenishing tank, and; the upper part of the connecting plate is provided with an opening, a movable rod is connected in the opening, a supporting shaft is arranged at the joint of the movable rod in the opening, the movable rod is rotatably connected with the supporting shaft, two ends of the movable rod extend out of the opening, one end of the movable rod faces the water tank, the other end of the movable rod faces the water replenishing tank, a floating ball is connected to the end part of the movable rod facing the water tank, the movable rod is connected with the floating ball through a rope, and a balance block is connected to the; a microswitch is arranged in the connecting plate and comprises a driving sheet, the driving sheet is positioned in the open hole, and when the floating ball moves downwards for a certain height, the movable rod can be pressed against the driving sheet; the micro switch is electrically connected with the electromagnetic valve and is connected with the power supply in series.

By adopting the technical scheme, water is added into the water tank, the water in the water tank is heated by the heating rod in the water tank, the water temperature in the water replenishing tank is set to be consistent with the water temperature in the water tank, when the water level in the water tank drops, the buoyancy of the water to the floating ball is gradually reduced, the floating ball moves downwards under the action of gravity, the movable rod is driven to move downwards by the rope, the movable rod rotates downwards to press the driving sheet, and then the micro switch is triggered to be communicated with the power supply; the electromagnetic valve is opened, water flow in the valve body is conducted, water in the water replenishing tank flows into the water tank through the valve body of the electromagnetic valve, so that the water level in the water tank rises, buoyancy borne by the floating ball is increased, the floating ball continuously moves upwards, the movable rod rotates through the support shaft and continuously moves upwards, the movable rod is gradually far away from the driving sheet, then a power supply is switched off, the valve body of the electromagnetic valve is closed, the water in the water replenishing tank is prevented from flowing into the water tank, automatic water replenishing to the water tank is completed, water evaporated by the water is compensated, the water level in the water tank is kept within a certain range, and; meanwhile, the temperature set by the water replenishing tank is equal to the temperature set by the water tank, so that water in the water replenishing tank directly flows to the water tank, the temperature of the water tank is not influenced, the temperature difference generated by water replenishing is reduced, a sample is heated more uniformly, and the accuracy of a test result is improved.

Preferably, the length direction of the supporting shaft is perpendicular to the length direction of the movable rod, and two ends of the supporting shaft are fixedly connected to two opposite side walls of the opening.

Through adopting above-mentioned technical scheme, when the movable rod rotated with the back shaft and is connected, the back shaft provided the holding power for the movable rod, realized the luffing motion at movable rod both ends.

Preferably, the floating ball has a density less than that of water.

By adopting the technical scheme, the floating ball can float on the water surface of the water tank without being influenced by external force, and the acting force of the movable rod on the floating ball is reduced.

Preferably, one side of the connecting plate, which faces the water tank, is provided with a shielding cover, the floating ball is positioned between the shielding cover and the connecting plate, the floating ball moves up and down in the shielding cover, and the lower end of the shielding cover is provided with an opening.

By adopting the technical scheme, the floating ball moves up and down in the shielding cover, when the water level of the water tank rises or falls, the surrounding environment does not influence the up-and-down movement of the floating ball, an operator cannot touch the movable rod or the floating ball to trigger the driving sheet, and the movable rod is protected.

Preferably, the water replenishing tank is provided with a transparent observation plate on the side panel adjacent to the connecting plate, and the observation plate is vertical and long.

Through adopting above-mentioned technical scheme, the transparent observation board can see the height of water level in the moisturizing case to in time add water to the moisturizing case.

Preferably, be equipped with the detachable baffle in the basin, laid a plurality of through-holes on the baffle, the baffle top is equipped with fixed subassembly, and fixed subassembly includes gusset plate and 3 above shell fragments, and the shell fragment is the arc form, and shell fragment one end fixed connection is on the gusset plate to evenly distribute on the gusset plate, gusset plate and shell fragment form a holding chamber, and the side that the shell fragment was kept away from to the gusset plate is connected with the baffle.

By adopting the technical scheme, the heating rod and the water bath sample can be separated by the partition plate in the water tank, and the partition plate can prevent the sample from contacting the heating rod due to the fact that the temperature of the heating rod is higher than that of water in the water tank, so that the sample is heated unevenly; the fixing component on the partition board can fix the container containing the sample, so that the problem that a small container or a container containing a small amount of sample floats in the water tank is effectively solved; the elastic sheet of the fixing component can be fastened on the outer wall of the container, so that the container is arranged in the accommodating cavity to be stable.

Preferably, the partition plate is connected with a plurality of fixing assemblies, wherein the fixing assembly accommodating cavities have different volumes.

Through adopting above-mentioned technical scheme, set up the fixed subassembly that the holding chamber is different, when the container is not of uniform size when the water bath, can select the fixed subassembly of adaptation to use to be applicable to the container of more models.

Preferably, one side of the reinforcing plate, which is far away from the elastic sheet, is connected with an installation shaft, and the installation shaft is in transition fit with the through hole.

Through adopting above-mentioned technical scheme, when need not place fixed subassembly on the baffle, can shift out the installation axle from the through-hole, make fixed subassembly break away from the baffle, realize dismantling of fixed subassembly, at this in-process, all the other through-holes on the baffle keep the unblocked of baffle upper portion and lower part rivers, can select the fixed subassembly of adaptation as required to pass through installation hub connection on the baffle, make fixed subassembly connect firmly on the baffle.

Preferably, the bottom of the water tank is provided with a drain pipe.

Through adopting above-mentioned technical scheme, when the experiment finishes, when not needing water in the basin, open the drain valve, make the water in the basin directly flow out, reduce the residue of incrustation scale in the basin, it is more convenient to clear up the basin.

To sum up, the utility model discloses a beneficial technological effect does:

1. be equipped with the moisturizing case on the box, when the water level in the basin dropped to a take the altitude, the moisturizing case passed through the movable rod and rotated in vertical direction, connected micro-gap switch, and switching on of solenoid valve body realizes the automatic moisturizing of basin, guarantees that the water level is not less than the scope of settlement in the basin, reduces the error of test result, also can prevent the phenomenon of water bath pot evaporation to dryness simultaneously.

2. The fixed subassembly that is equipped with in the basin can fix the container that holds the sample of different models, and the installation axle of fixed subassembly below realizes dismantling of fixed subassembly, and then can select the fixed subassembly of adaptation as required to pass through installation hub connection on the baffle, makes fixed subassembly connect firmly on the baffle.

Drawings

Fig. 1 is a schematic view of the overall structure of a constant temperature water bath.

Fig. 2 is a partial sectional view of the constant temperature water bath.

Fig. 3 is an enlarged view of a portion a of fig. 2 rotated by 90 °.

In the figure, 1, a box body; 11. a water tank; 12. a drain pipe; 13. a heating rod; 14. a partition plate; 15. a through hole; 161. a spring plate; 162. a reinforcing plate; 163. installing a shaft; 2. a water replenishing tank; 21. an observation plate; 22. heating a tube; 31. a movable rod; 32. a rope; 33. a floating ball; 34. a counterbalance; 35. a support shaft; 36. a microswitch; 361. a driving plate; 37. an electromagnetic valve; 38. a shield cover; 39. a connecting plate; 391. and (6) opening holes.

Detailed Description

The present invention will be described in further detail with reference to the accompanying fig. 1-3.

Referring to fig. 1 and 2, for the utility model discloses an intelligence moisturizing constant temperature water bath, box 1, set up basin 11 in box 1 and the heating rod 13 of basin 11 bottom, box 1's side is provided with moisturizing case 2, be equipped with connecting plate 39 between moisturizing case 2 and the box 1, moisturizing case 2 bottom is equipped with heating pipe 22, the built-in solenoid valve 37 that has of connecting plate 39 lower extreme, valve body one end and moisturizing case 2 intercommunication on the solenoid valve 37, the other end is linked together with basin 11, according to actual conditions, when the water level in basin 11 drops the setting value, start solenoid valve 37, water in the moisturizing case 2 is in the valve body flow direction basin 11 of solenoid valve 37, make the water level in the basin 11 rise.

Refer to 1 and 2, 2 bottoms of moisturizing case are equipped with heating pipe 22, and the temperature that sets for through the temperature setting with moisturizing case 2 equals with basin 11, and when the rivers of moisturizing case 2 were during to basin 11, the hot water of joining can not arouse great temperature variation, and then does not influence the temperature of basin 11, has reduced the difference in temperature that the moisturizing produced, makes the sample be heated more evenly, improves the accuracy of experimental result. Meanwhile, the transparent observation plate 21 is arranged on the side panel of the water replenishing tank 2 adjacent to the connecting plate 39, the observation plate 21 is in a vertical strip shape, and the height of the water level in the water replenishing tank 2 can be seen through the transparent observation plate 21, so that water can be added into the water replenishing tank 2 in time.

Referring to fig. 2 and 3, an opening 391 is arranged at the upper part of the connecting plate 39, a movable rod 31 is connected in the opening 391, a supporting shaft 35 is arranged at the joint of the movable rod 31 in the opening 391, the movable rod 31 is rotatably connected with the supporting shaft 35, two ends of the movable rod 31 extend out of the opening 391, one end faces the water tank 11, the other end faces the water replenishing tank 2, a floating ball 33 is connected at the end part of the movable rod 31 facing the water tank 11, the movable rod 31 is connected with the floating ball 33 through a rope 32, and a balance weight 34 is connected at the end part of the movable rod 31 facing the. The length direction of support shaft 35 is perpendicular with the length direction of movable rod 31, and support shaft 35 both ends fixed connection is on two relative lateral walls of trompil 391, and when movable rod 31 and support shaft 35 rotated and are connected, support shaft 35 provided the holding power for movable rod 31, and movable rod 31 realizes the luffing motion at movable rod 31 both ends around support shaft 35. In order to float the float 33 on the water surface, the density of the float 33 is set to be lower than that of water, and when the float 33 is not subjected to an external force, the float can float on the water surface of the water tank 11, thereby reducing the force of the movable rod 31 on the float 33. Meanwhile, the two ends of the movable rod 31 are subjected to the same force (m float g-rho water gv float = m flat g-rho water gv flat, m float is the mass of the floating ball, m flat is the weight of the balance weight, v float is the drainage volume of the floating ball in the water tank, and v flat is the drainage volume of the balance weight), when the water level is within a set range, the floating ball 33 floats on the water surface in the water tank 11, and the balance weight 34 moves downwards.

Referring to fig. 2 and 3, a micro switch 36 is disposed in the connecting plate 39, the micro switch 36 includes a driving plate 361, the driving plate 361 is disposed in the opening 391, and when the floating ball 33 moves down to a certain height, the movable rod 31 can press the driving plate 361; the microswitch 36 is electrically connected to the solenoid valve 37 and is connected in series with the power supply. During the test, water is added into the water tank 11, the water in the water tank 11 is heated by the heating rod 13 in the water tank 11, meanwhile, the water temperature in the water replenishing tank 2 is set to be consistent with the water temperature in the water tank 11, when the water level in the water tank 11 drops, the buoyancy of the water to the floating ball 33 is gradually reduced, the floating ball 33 moves downwards under the action of gravity, the movable rod 31 is driven to move downwards by the rope 32, the balance block 34 moves upwards, the movable rod 31 rotates downwards to press the driving sheet 361, the micro switch 36 is further triggered to be communicated with the power supply, the electromagnetic valve 37 is opened, the water flow in the valve body is conducted, the water in the water replenishing tank 2 flows to the water tank 11 through the valve body to enable the water level of the water tank 11 to rise, the buoyancy borne by the floating ball 33 is increased continuously and moves upwards, the movable rod 31 rotates through the supporting shaft 35 to continuously move upwards, the movable rod 31 is gradually far away from the driving sheet 361, and then the power supply is cut off, the valve body of the electromagnetic valve 37 is closed, the water in the water replenishing tank 2 is prevented from flowing to the water tank 11, the automatic water replenishing to the water tank 11 is completed, the water evaporated by the water is compensated, the water level in the water tank 11 is kept within a certain range, and the test error is reduced.

Referring to fig. 2, a detachable partition plate 14 is arranged in the water tank 11, the partition plate 14 is positioned above the heating rod 13, the partition plate 14 is arranged in the water tank 11, the heating rod 13 can be separated from the water bath sample by the partition plate 14 in the water tank 11, and the sample can be prevented from being unevenly heated due to the fact that the sample can be prevented from contacting the heating rod 13 by the partition plate 14 because the temperature of the heating rod 13 is higher than that of water in the water tank 11. A plurality of through holes 15 are distributed on the partition plate 14, water at the lower part of the partition plate 14 circulates to the upper part through the through holes 15, a fixing assembly is arranged above the partition plate 14 and comprises a reinforcing plate 162 and more than 3 elastic sheets 161, each elastic sheet 161 is arc-shaped, the reinforcing plate 162 and 4 elastic sheets 161 enclose into an accommodating cavity, 4 elastic sheets 161 with the same shape are fixedly connected to the reinforcing plate 162 and uniformly distributed on the reinforcing plate 162, flanges are arranged at the end parts, far away from the reinforcing plate 162, of the elastic sheets 161, and the side, far away from the elastic sheets 161, of the reinforcing plate 162 is connected with the partition plate 14. The elastic sheet 161 of the fixing component can be fastened on the outer wall of the container, so that the container is stably arranged in the accommodating cavity, and the fixing component on the partition plate 14 can fix the container filled with the sample, thereby effectively solving the problem that a small container or the container filled with less sample floats in the water tank 11. The partition plate 14 is provided with a plurality of fixing components, and the volumes of the accommodating cavities of the fixing components are different. When the containers are different in size during water bath, the adaptive fixing assembly can be selected for use so as to be suitable for containers of more models.

Referring to fig. 2, in order to achieve the detachment of the fixing assembly, a mounting shaft 163 is coupled to a side of the reinforcing plate 162 away from the resilient piece 161, the mounting shaft 163 is in transition fit with the through hole 15, and the remaining through hole 15 which is not in fit with the mounting shaft 163 maintains the water flow of the upper and lower portions of the partition 14. When the partition plate 14 does not need to be provided with a fixing component, the mounting shaft 163 can be moved out of the through hole 15, so that the fixing component is separated from the partition plate 14, the fixing component can be detached, and then the fixing component which is matched with the partition plate can be selected as required to be connected onto the partition plate 14 through the mounting shaft 163, so that the fixing component is stably connected onto the partition plate 14.

Referring to fig. 1, a drain pipe 12 is provided at the bottom of a water tank 11. When the test is finished and water is not needed in the water tank 11, the drain valve is opened to enable the water in the water tank 11 to directly flow out, so that the residue of scale in the water tank 11 is reduced, and the water tank 11 is more convenient to clean.

The implementation principle of the embodiment is as follows: in the water bath test, the valve body of the electromagnetic valve 37 is not conducted, the floating ball 33 floats on the liquid surface of the water tank 11, and the balance weight 34 on the movable rod 31 moves downward. As the water in the water tank 11 is continuously evaporated, the water level in the water tank 11 is gradually reduced, the buoyancy of the water to the floating ball 33 is gradually reduced, at this time, the floating ball 33 gradually moves downwards under the action of gravity, the rope 32 drives the movable rod 31 to move downwards, the balance block 34 moves upwards, the movable rod 31 rotates downwards to press the driving sheet 361, and then the microswitch 36 is triggered to be communicated with a power supply; the solenoid valve 37 is opened, rivers switch on in the valve body, the liquid level that utilizes moisturizing case 2 is higher than the liquid level difference of basin 11, the water of moisturizing case 2 passes through the valve body and flows to basin 11, make the water level of basin 11 rise, the buoyancy that floater 33 received increases, floater 33 is in continuous rebound, movable rod 31 passes through back shaft 35 and rotates constantly and shifts up, movable rod 31 keeps away from driving plate 361 gradually, and then the cut-off power, make the valve body of solenoid valve 37 closed, the rivers that prevent moisturizing case 2 to basin 11, accomplish the automatic moisturizing to basin 11, the water that the compensating water evaporates, make the water level keep establishing certain within range in the basin 11, reduce the experimental error, improve the accuracy of experimental result.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides an intelligence moisturizing thermostat water bath, includes box (1), sets up basin (11) and heating rod (13) of basin (11) bottom in box (1), its characterized in that: a water replenishing tank (2) is arranged on the side face of the tank body (1), a connecting plate (39) is arranged between the water replenishing tank (2) and the tank body (1), a heating pipe (22) is arranged at the bottom of the water replenishing tank (2), an electromagnetic valve (37) is arranged in the lower end of the connecting plate (39), one end of a valve body on the electromagnetic valve (37) is communicated with the water replenishing tank (2), and the other end of the valve body is communicated with the water tank (11); an opening hole (391) is formed in the upper portion of the connecting plate (39), a movable rod (31) is connected in the opening hole (391), a supporting shaft (35) is arranged at the joint of the movable rod (31) in the opening hole (391), the movable rod (31) is rotatably connected with the supporting shaft (35), two ends of the movable rod (31) extend out of the opening hole (391), one end of the movable rod faces towards the water tank (11), the other end of the movable rod faces towards the water replenishing tank (2), a floating ball (33) is connected to the end portion, facing towards the water tank (11), of the movable rod (31), the movable rod (31) is connected with the floating ball (33) through a rope (32), and a balance block (34) is connected to the; a microswitch (36) is arranged in the connecting plate (39), the microswitch (36) comprises a driving sheet (361), the driving sheet (361) is positioned in the opening (391), and when the floating ball (33) moves downwards for a certain height, the movable rod (31) can press the driving sheet (361); the micro switch (36) is electrically connected with the electromagnetic valve (37) and is connected with a power supply in series.

2. The intelligent water supplementing constant-temperature water bath kettle according to claim 1, characterized in that: the length direction of the supporting shaft (35) is perpendicular to the length direction of the movable rod (31), and two ends of the supporting shaft (35) are fixedly connected to two opposite side walls of the opening (391).

3. The intelligent water supplementing constant-temperature water bath kettle according to claim 1, characterized in that: the density of the floating ball (33) is less than that of water.

4. The intelligent water supplementing constant-temperature water bath kettle according to claim 1, characterized in that: one side of the connecting plate (39) facing the water tank (11) is provided with a shielding cover (38), the floating ball (33) is positioned between the shielding cover (38) and the connecting plate (39), the floating ball (33) moves up and down in the shielding cover (38), and the lower end of the shielding cover (38) is opened.

5. The intelligent water supplementing constant-temperature water bath kettle according to claim 1, characterized in that: the water replenishing tank (2) is provided with a transparent observation plate (21) on the side panel adjacent to the connecting plate (39), and the observation plate (21) is in a vertical long strip shape.

6. The intelligent water supplementing constant-temperature water bath kettle according to claim 1, characterized in that: be equipped with detachable baffle (14) in basin (11), laid a plurality of through-hole (15) on baffle (14), baffle (14) top is equipped with fixed subassembly, and fixed subassembly includes gusset plate (162) and 3 above shell fragment (161), and shell fragment (161) are the arc form, and shell fragment (161) one end fixed connection is on gusset plate (162), and gusset plate (162) and shell fragment (161) form a holding chamber, and the side that shell fragment (161) were kept away from in gusset plate (162) is connected with baffle (14).

7. The intelligent water supplementing constant-temperature water bath kettle according to claim 6, characterized in that: a plurality of fixing assemblies are connected to the partition plate (14), wherein the volumes of the fixing assembly accommodating cavities are different.

8. The intelligent water supplementing constant-temperature water bath kettle according to claim 6, characterized in that: one side of the reinforcing plate (162) far away from the elastic sheet (161) is connected with a mounting shaft (163), and the mounting shaft (163) is in transition fit with the through hole (15).

9. The intelligent water supplementing constant-temperature water bath kettle according to claim 1, characterized in that: and a drain pipe (12) is arranged at the bottom of the water tank (11).