CN209663298U - Water bath device - Google Patents

Abstract

The utility model relates to a kind of water bath devices, comprising: main casing, main casing bottom wall, main casing body sidewall and main casing roof including heating chamber is collectively formed；Inlet unit, including water inlet pipe and switch valve, one end of water inlet pipe are located on the outside of main casing, and the other end of water inlet pipe protrudes into heating chamber, and switch valve is installed on one end that water inlet pipe is located in heating chamber；Wherein, when the water level in heating chamber is lower than preset water level, switch valve is in open state water inlet pipe is connected；When the water level in heating chamber is equal to preset water level, switch valve is in closed state to disconnect water inlet pipe.Above-mentioned water bath device can be automatically controled the water in heating chamber, and water level is maintained a certain range always, and then avoid the occurrence of the case where dry combustion method caused by due to not adding water in time causes water bath device to damage.In addition, filling the lower water of a small amount of temperature does not interfere with the working condition for being heated water, guarantee can carry out continuous heating to heating object.

Description

Water bath device

Technical field

The utility model relates to chemical reaction equipment fields, more particularly to a kind of water bath device.

Background technique

Water-bath is mainly used for distilling in laboratory, dry, concentration, and warm stain chemicals or biological products, it is also possible to It is one of laboratory, analysis room, the indispensable tool of education and scientific research in heated at constant temperature and other humid tests.Utilize water-bath pair The water bath heating that heating object is heated as a heat transfer medium, can provide that a heating speed is fast, temperature change with water Amplitude is small, the relatively accurate condition of temperature, so as to obtain the preferable effect of experimental repeatability.

During water-bath heats heating object, the water in water-bath different degrees of can be steamed into environment It sends out and slowly reduces, therefore need constantly to add water to steam during supplementary heating into water-bath in actual heating process The moisture of hair.But the working condition of water-bath is monitored by naked eyes and sporadically adds water to expend very much reality into water-bath The case where testing personnel time and energy, cannot achieve and work at night, and adding if there is leakage will cause heating tube dry combustion method, cause The experiment accident such as water-bath damage.And if the water excessive toward addition at the top of water-bath, water will affect work in the moment of addition The bath temperature of state cannot keep the continuity and accuracy of experiment.

Utility model content

Based on this, it is necessary to which aiming at the problem that water in water-bath can not automatically control, providing one kind can be automatically added water Water bath device.

A kind of water bath device, comprising:

Main casing, including main casing bottom wall, the main casing extended to form in the same direction by the main casing bottom wall edge Side wall and main casing roof set on the main casing body sidewall far from main casing bottom wall one end, the main casing body sidewall Around the periphery of the main casing bottom wall and the main casing roof the heating chamber for accommodating water is collectively formed；

Inlet unit, including water inlet pipe and switch valve, one end of the water inlet pipe are located on the outside of the main casing, it is described into The other end of water pipe protrudes into the heating chamber and extends to the heating chamber close to main casing bottom wall one end, the switch Valve is installed on one end that the water inlet pipe is located in the heating chamber；

Wherein, when the water level in the heating chamber is lower than preset water level, the switch valve is in open state to be connected State water inlet pipe；When the water level in the heating chamber is equal to preset water level, the switch valve it is in closed state with disconnect it is described into Water pipe.

Above-mentioned water bath device, when being lower than certain value because of evaporation when the water in heating chamber, switch valve controls water inlet pipe It is in the open state to add water into heating chamber, so that water is returned to original state.And the water in heating chamber returns to original state Afterwards, switch valve control water inlet pipe disconnects and stops adding water into heating chamber, to avoid the dilutional hyponatremia in heating chamber.Therefore, water Bath apparatus can be automatically controled the water in heating chamber, and water level is maintained a certain range always, so avoid the occurrence of because without and Shi Jiashui and caused by dry combustion method the case where causing water bath device to damage, and effectively reduce the work load of experimenter.In addition, Since water inlet pipe extends to heating chamber close to one end of main casing bottom wall, fills a small amount of lower water of temperature and do not interfere with It is heated the working condition of water, to guarantee that continuous heating can be carried out to heating object, there is good heating effect.

The switch valve is ball-cock assembly in one of the embodiments, and the ball-cock assembly includes valve body, floating ball and both ends It is separately connected the connecting rod of the valve body Yu the floating ball, the valve body is installed on the water inlet pipe, and the floating ball floats on described The water surface in heating chamber.

The water inlet pipe includes first pipe and second pipe in one of the embodiments, and the one of the first pipe It holds and protrudes into the heating chamber and connect the ball-cock assembly, one end connection ball-cock assembly of the second pipe, described second The other end of pipeline extends to the heating chamber close to main casing bottom wall one end；

When the water level in the heating chamber is equal to the preset water level, the connecting rod of the ball-cock assembly is parallel to water Face.

The water bath device includes the heating unit in the heating chamber in one of the embodiments, described to add Hot cell is set to heating chamber close to one end of the main casing bottom wall, the relatively described preset water level in the water outlet of the water inlet pipe Distance is greater than the minimum range of the relatively described preset water level of the heating unit.

The water bath device further includes placing partition in one of the embodiments, and the placement partition is set to described add Heat is intracavitary, and between the heating unit and the preset water level.

The water bath device further includes drainage cell in one of the embodiments, and the drainage cell includes drainpipe, One end of the drainpipe is located on the outside of the main casing, and the other end of the drainpipe protrudes into the main casing close to the master One end of shell bottom wall is simultaneously connected to the heating chamber.

The main casing roof offers the outer of the connection heating chamber and the main casing in one of the embodiments, The water-bath hole on surface.

The main casing offers multiple water-bath holes in one of the embodiments, and between multiple water-bath holes Every setting.

The main casing body sidewall is also provided with the observation panel for being connected to the heating chamber in one of the embodiments, described Observation panel is embedded with transparent observation window.

The water bath device further includes pliable cell in one of the embodiments, and the pliable cell is installed on described Water inlet pipe is located at the water inlet end outside the heating chamber.

Detailed description of the invention

Fig. 1 is the schematic diagram of the water bath device of an embodiment of the utility model.

Specific embodiment

The utility model is more fully retouched below with reference to relevant drawings for the ease of understanding the utility model, It states.The preferred embodiment of the utility model is given in attached drawing.But the utility model can come in many different forms in fact It is existing, however it is not limited to embodiment described herein.On the contrary, purpose of providing these embodiments is makes public affairs to the utility model The understanding for opening content is more thorough and comprehensive.

It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ", " right side " and similar statement are for illustrative purposes only.

Unless otherwise defined, all technical and scientific terms used herein are led with the technology for belonging to the utility model The normally understood meaning of the technical staff in domain is identical.Terminology used in the description of the utility model herein only be The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term " and or " used herein includes Any and all combinations of one or more related listed items.

As shown in Figure 1, a kind of water bath device 100 of the embodiments of the present invention, including main casing 20, inlet unit 40 And heating unit 60, inlet unit 40 are used to fill the water (such as the liquid such as purified water, softened water) into main casing 20, heating is single For member 60 for heating to the water in main casing 20, water vapour that water heat absorption evaporation generates can be to being placed on main casing 20 Utensil (such as flask equipped with solution) is heated to be heated.

Main casing 20 is substantially in hollow cubic, main casing bottom wall 21 including rectangle, by 21 side of main casing bottom wall Main casing body sidewall 23 that edge extends to form in the same direction and set on main casing body sidewall 23 far from 21 one end of main casing bottom wall The main casing roof 25 of rectangle, main casing body sidewall 23 surround main casing bottom wall 21 with the periphery of main casing roof 25 to be collectively formed For accommodating the heating chamber of water.Main casing roof 25 offers the water-bath hole 252 of the outer surface of connection heating chamber and main casing 20. Specifically, multiple water-bath holes 252, which are spaced apart, is set to main casing roof 25 and multiple is heated utensil to limit.

Inlet unit 40 includes water inlet pipe 41 and switch valve, and one end of water inlet pipe 41 is located at 20 outside of main casing, water inlet pipe 41 other end protrudes into heating chamber and extends to heating chamber close to one end of main casing bottom wall 21, and switch valve is installed on water inlet pipe 41 are located at one end in heating chamber and are located in heating chamber.When the water level in heating chamber is lower than preset water level, switch valve is in open State is opened so that water inlet pipe 41 is connected.When the water level in heating chamber be equal to preset water level when, switch valve it is in closed state with disconnect into Water pipe 41.

In this way, switch valve control water inlet pipe 41, which is in, to be opened when being lower than certain value because of evaporation when the water in heating chamber It opens state and adds water into heating chamber, water is made to return to original state.And after the water in heating chamber returns to original state, switch Valve control water inlet pipe 41 disconnects and stops adding water into heating chamber, to avoid the dilutional hyponatremia in heating chamber.Therefore, water bath device 100 can be automatically controled the water in heating chamber, and water level is maintained a certain range always, and then avoid the occurrence of because without adding in time Water and caused by dry combustion method the case where causing water bath device 100 to damage, and effectively reduce the work load of experimenter.In addition, Since water inlet pipe 41 extends to heating chamber close to one end of main casing bottom wall 21, filling a small amount of lower water of temperature will not shadow It rings to the working condition for being heated water, to guarantee that continuous heating can be carried out to heating object, there is good heating effect Fruit.

Please continue to refer to Fig. 1, heating unit 60 is set to heating chamber close to one end of main casing bottom wall 21, to heat heating chamber Interior water.Specifically in one embodiment, heating unit 60 includes heating tube, and heating tube is located at the one third of heating chamber lower part Place.It is appreciated that the concrete type of heating unit 60 is unlimited, and also specially other heating elements, the position of heating unit 60 It can be set as needed.

In some embodiments, switch valve is ball-cock assembly 43.Ball-cock assembly 43 includes valve body 432, floating ball 436 and both ends point Not Lian Jie valve body 432 and floating ball 436 connecting rod 434, valve body 432 is installed on the first pipe 412 of water inlet pipe 41, floating ball 436 by The water surface is floated in buoyancy.In this way, floating ball 436 can follow water surface fluctuation, so that application valve body 432 opens or closes.

Specifically, when the water level in heating chamber is equal to preset water level, floating ball 436 swims in the water surface, and connecting rod 434 is substantially in It is parallel to the horizontality of water level, valve body 432 is in close state at this time, therefore enters heating chamber by water inlet pipe 41 without water In.And when water is constantly evaporated during being heated when water level, the height of floating ball 436 also follows the reduction of the water surface and reduces, Connecting rod 434 follows floating ball 436 gradually to tilt and keep valve body 432 in the open state, therefore water can be added by the entrance of water inlet pipe 41 In hot chamber, with the continuous filling of dampening, the water level in heating chamber also constantly gos up until preset water level, floating ball 436 also follow water Face constantly rises, and connecting rod 434 returns to substantially in the horizontality for being parallel to water level, and final valve body 432 comes back to closed state. In this way, by the water level in heating chamber can direct real-time control water filling, without operator by constantly visually observing Add water manually afterwards, and the water level after filling does not exceed preset water level, therefore can avoid the dilutional hyponatremia shadow being added in heating chamber The bath temperature for ringing working condition, cannot keep the continuity and accuracy of experiment.It is appreciated that in some other embodiment In, switch valve is not limited to ball-cock assembly 43, can also specifically in one embodiment be opened according to the valve that fluctuation in stage is opened and closed to be other Pass valve is solenoid valve.

In some embodiments, water inlet pipe 41 includes first pipe 412 interconnected and second pipe 414, the first pipe The one end in road 412 is located at 20 outside of main casing, and the other end edge of first pipe 412 is parallel to water surface direction and protrudes into heating chamber simultaneously Ball-cock assembly 43 is connected, and the height of first pipe 412 matches with preset water level.One end of second pipe 414 connects ball-cock assembly 43, the other end is extending vertically into heating chamber close to one end of main casing bottom wall 21.In this way, being preset when the water level in heating chamber is equal to When water level, the connecting rod 434 of ball-cock assembly 43 is parallel to the water surface and is in close state valve body 432.

Further, the water outlet (i.e. second pipe 414 is close to one end of main casing bottom wall 21) of second pipe 414 is opposite The distance of preset water level is greater than the minimum range of 60 absolute presupposition water level of heating unit, that is to say, that when water bath device 100 is placed When in the horizontal plane, the end face of the water outlet of second pipe 414 is lower than the upper surface of heating unit 60, therefore from second pipe The water of 414 outflows will not influence the temperature of the water of 60 upside of heating unit.

Further, water bath device 100 further includes drainage cell 80, and drainage cell 80 includes drainpipe, drainpipe one end Positioned at the outside of main casing 20, the other end protrudes into main casing 20 close to one end of main casing bottom wall 21 and is connected to heating chamber.In this way, The water in heating chamber can be extracted out by drainage cell 80 to empty heating chamber.

In some embodiments, water bath device 100 further includes the placement partition (not shown) formed by metal material, is placed Partition is between heating unit 80 and preset water level.It is heated on partition in this way, being heated utensil and can be placed in place.

In some embodiments, the main casing body sidewall 23 of main casing 20 is also provided with the observation panel of connection heating chamber, observation Mouth is embedded with transparent observation window 232, and observation window 232 extends along the vertical direction.In this way, operator can pass through the observation cause for gossip When observation heating chamber in water level, be heated utensil without removing in water-bath hole 252.

In some embodiments, water bath device 100 further includes pliable cell (not shown), and pliable cell is installed on water inlet pipe 41 are located at the water inlet end of one end outside heating chamber.In this way, can be softened by pliable cell to water in water inlet pipe 41 is entered.It can To understand, in further embodiments, water bath device 100 can also be not provided with pliable cell, and inlet unit 40 can be directly external soft Water after change.

In some embodiments, water bath device 100 further includes external water cell (not shown), and external water cell passes through Inlet unit 40 is connected to heating chamber.Specifically in one embodiment, external water cell is water tank.In this way, external water storage list Member can supply water for inlet unit 40.It is appreciated that external water cell can also be not provided in some embodiments and pass through water inlet Unit 40 connects external water source and directly supplies water.

Above-mentioned water bath device 100, equipped with can be according to the inlet unit 40 of water level automatic feeding water, there is no need to operator's moment It waits in 100 other people's work level monitoring of water bath device, to can avoid while alleviating the burden of experimenter due to because lacking Water leads to dry combustion method and damages water bath device 100.Moreover, because water is injected from the bottom of heating chamber, the bad thermal conductivity based on water, Therefore will not influence the temperature of the water that water-bath top of chamber has heated, so will not because of the lower water of temperature filling and influence water The working condition of bath apparatus 100.Further, since the structure of inlet unit 40 is simply easy for installation, therefore only need existing Water-bath, which carries out simple transformation, can install inlet unit 40, to reduce experimental cost, be convenient for large-scale promotion application.

Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited In contradiction, all should be considered as described in this specification.

Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed, But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common skill of this field For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to The protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.

Claims (10)

1. a kind of water bath device characterized by comprising

Main casing, the main casing body sidewall extended to form in the same direction including main casing bottom wall, by the main casing bottom wall edge, And the main casing roof set on the main casing body sidewall far from main casing bottom wall one end, the main casing side wall ring is around institute The periphery of main casing bottom wall and the main casing roof is stated so that the heating chamber for accommodating water is collectively formed；

One end of inlet unit, including water inlet pipe and switch valve, the water inlet pipe is located on the outside of the main casing, the water inlet pipe The other end protrude into the heating chamber and extend to the heating chamber close to main casing bottom wall one end, the switch valve peace It is located at one end in the heating chamber loaded on the water inlet pipe；

Wherein, when the water level in the heating chamber is lower than preset water level, the switch valve it is in open state be connected it is described into Water pipe；When the water level in the heating chamber is equal to preset water level, the switch valve is in closed state to disconnect the water inlet pipe.

2. water bath device according to claim 1, which is characterized in that the switch valve is ball-cock assembly, the ball-cock assembly packet The connecting rod that valve body, floating ball and both ends are separately connected the valve body Yu the floating ball is included, the valve body is installed on the water inlet pipe, The floating ball floats on the water surface in the heating chamber.

3. water bath device according to claim 2, which is characterized in that the water inlet pipe includes first pipe and the second pipe The ball-cock assembly, one end connection of the second pipe are protruded into the heating chamber and connected in road, one end of the first pipe The ball-cock assembly, the other end of the second pipe extend to the heating chamber close to main casing bottom wall one end；

When the water level in the heating chamber is equal to the preset water level, the connecting rod of the ball-cock assembly is parallel to the water surface.

4. water bath device according to claim 1, which is characterized in that the water bath device includes being located in the heating chamber Heating unit, the heating unit be set to heating chamber close to one end of the main casing bottom wall, the water outlet of the water inlet pipe The distance of the relatively described preset water level is greater than the minimum range of the relatively described preset water level of the heating unit.

5. water bath device according to claim 4, which is characterized in that the water bath device further includes placing partition, described It places partition to be set in the heating chamber, and between the heating unit and the preset water level.

6. water bath device according to claim 1, which is characterized in that the water bath device further includes drainage cell, described Drainage cell includes drainpipe, and one end of the drainpipe is located on the outside of the main casing, and the other end of the drainpipe protrudes into The main casing close to the main casing bottom wall one end and be connected to the heating chamber.

7. water bath device according to claim 1, which is characterized in that the main casing roof offers the connection heating The water-bath hole of the outer surface of chamber and the main casing.

8. water bath device according to claim 7, which is characterized in that the main casing offers multiple water-bath holes, And multiple water-bath hole interval settings.

9. water bath device according to claim 1, which is characterized in that the main casing body sidewall, which is also provided with described in connection, to be added The observation panel of hot chamber, the observation panel are embedded with transparent observation window.

10. water bath device according to claim 1, which is characterized in that the water bath device further includes pliable cell, described Pliable cell is installed on the water inlet end that the water inlet pipe is located at outside the heating chamber.