CN108479880A - A kind of water bath device and heating water bath method - Google Patents

Abstract

The present invention proposes a water bath device, including a controller, a water bath box, a condenser and a closed reaction vessel arranged in the water bath box, the water bath box is divided into an upper hollow area and an airtight lower heating area, and the lower heating area The area is connected with a water inlet device, a pumping device, and a circulation device that can circulate water in the lower heating area. The reaction vessel is inserted into the lower heating area and is sealed with the lower heating area. The condensing The device communicates with the lower heating area; a heating device, a water temperature detection element and a liquid level detection element are arranged in the lower heating area, and the heating device, the water temperature detection element, and the liquid level detection element all communicate with the controller connect. The invention solves the problems in the prior art that the water vapor of the water bath device leaks out, the temperature of each part is uneven, and the water bath cannot automatically replenish water.

Description

A water bath device and a water bath heating method

technical field

The invention relates to a water bath device and a water bath heating method thereof.

Background technique

In the prior art, most of the water bath devices for heating sample reaction containers are open-type water bath heating methods, that is, an open-air water bath box is used, and the reaction container is placed in the water bath box for heating. When the water bath box is heating, the water in the water bath box The steam will be evaporated continuously, causing the steam to leak out. When replenishing water to the water bath tank, water is added manually, which is cumbersome to operate. At the same time, when the water bath tank is heated, only a certain position of the water bath tank is heated, causing the water bath tank to There is a problem of uneven temperature in various parts inside, and uneven heating of the reaction vessel, resulting in insufficient sample reaction and low sample test accuracy.

Contents of the invention

The invention provides a water bath device, which solves the problems in the prior art that water vapor leaks out of the water bath device, the temperature of each part is uneven, and the water bath cannot automatically replenish water.

In order to achieve the purpose of solving the above-mentioned technical problems, the water bath device proposed by the present invention is realized by the following technical solutions:

A water bath device, including a controller, a water bath box, a condenser and a closed reaction vessel arranged in the water bath box, the water bath box is divided into an upper hollow area and an airtight lower heating area, and the lower heating area is connected to There is a water inlet device, a water pumping device and a circulation device that can circulate the water in the lower heating area. The reaction vessel is inserted in the lower heating area and is sealed with the lower heating area. The condenser is connected with the lower heating area. The lower heating area is connected; a heating device, a water temperature detection element and a liquid level detection element are arranged in the lower heating area, and the heating device, water temperature detection element, and liquid level detection element are all communicated with the controller.

A water bath heating method using the water bath device described in the above technical solution, comprising the steps of:

(1.) Automatic water inlet: the controller sends a signal to the water inlet device, the water inlet device is activated, and water is injected into the water bath tank. After the injected water touches the liquid level sensor, the liquid level sensor transmits a signal to the controller to control The device sends a signal to the water inlet device, and the water inlet device acts and stops working.

(2.) Automatic circulation heating: The controller sends a signal to the heating device to start heating, and at the same time sends a signal to the circulation device, and the circulation device operates to circulate the water in the water bath to ensure that the temperature of the liquid is consistent everywhere.

(3.) Automatic detection of water temperature and automatic condensing and reflux of steam: detect the water temperature through the temperature sensor, and when the water temperature reaches the set temperature, send a signal to the controller, and the controller sends a signal to the heating device, so that the heating device stops heating at full power , control the heating power to keep the liquid in the water bath box at the set temperature, and at the same time, the water vapor heated in the lower heating zone evaporates into the condenser tube, and flows back into the water bath box after being cooled by the condenser tube.

(4.) Automatic emptying of the water bath box: After heating is completed, the controller controls the pumping device to pump water out of the water bath box and automatically empty the water bath box.

The present invention also includes the following additional technical features:

Further, a detachable partition is arranged between the upper hollow area and the lower heating area, and the partition is sealed above the lower heating area.

Further, an insertion hole for inserting a reaction vessel and a condenser insertion hole for inserting a condenser are provided on the partition, and a sealing gasket is provided between the insertion hole and the reaction vessel.

Further, the circulation device includes a circulation pump and a water inlet pipe and a water outlet pipe connected to both ends of the circulation pump, and the water inlet corresponding to the water inlet pipe and the water outlet corresponding to the water outlet pipe are diagonally arranged on the on the lower heating zone.

Further, the reaction vessel includes a closed reaction bottle, a liquid inlet pipeline and a liquid outlet pipeline arranged inside the reaction bottle, which are sequentially arranged along the circumferential direction of the reaction bottle at a position of 1/4 of the height from the top of the reaction vessel There is an exhaust port, a liquid inlet and a liquid outlet, an opening is arranged at the bottom of the reaction bottle, the liquid inlet is connected with the liquid inlet pipeline, and the liquid outlet is connected with the liquid outlet pipe One end of the outlet pipeline communicates with the opening, and the other end of the outlet pipeline communicates with the opening.

Further, it also includes a water chiller, the condenser includes a condensation inner pipe and a condensation outer pipe, the condensation outer pipe is sleeved on the condensation inner pipe, the condensation inner pipe communicates with the lower heating area, and the A condensing cavity is formed between the condensing inner tube and the condensing outer tube, the chiller communicates with the condensing cavity, and the condensing cavity is also connected with a connecting pipeline interface that can be connected to the outside.

Further, the water inlet device is connected to a water inlet tank, and the water pumping device is connected to a waste water bucket.

Further, the liquid level detection element is a liquid level sensor.

Further, the water outlet of the circulation device is arranged on the bottom side of the water bath box, and the water inlet is arranged on the top of the water bath box, and is arranged diagonally to the water outlet.

The present invention has the following advantages and positive effects:

The present invention proposes a water bath device, including a controller, a water bath box, a condenser, and a closed reaction vessel arranged in the water bath box. The water bath box is divided into an upper hollow area and a closed and sealed lower heating area. The heating area is connected with a water inlet device, a water pumping device and a circulation device that can circulate the water in the lower heating area. The reaction vessel is inserted into the lower heating area and is sealed with the lower heating area. The condenser communicates with the lower heating area; a heating device, a water temperature detection element and a liquid level detection element are arranged in the lower heating area, and the heating device, the water temperature detection element, and the liquid level detection element are all connected with the controller communication connection. The water bath device proposed by the present invention is provided with a water inlet device and a water pumping device, which can realize automatic replenishment of water in the water bath box; The evaporation loss of water in the water bath box can be avoided, and the evaporated condensed water can also be returned to save water resources; in addition, a circulation device is also provided in the present invention, which can make the water inside the water bath box circulate continuously, so that The temperature of the water in each part of the water bath box is the same, which ensures the full reaction of the reaction vessel and improves the accuracy of the experiment.

Description of drawings

Fig. 1 is the structural representation of water bath device of the present invention;

Fig. 2 is the structural representation of the reaction vessel of water bath device of the present invention;

Fig. 3 is a sectional view taken along line A-A of Fig. 2 .

Detailed ways

The technical scheme of the present invention is described in further detail below in conjunction with accompanying drawing and specific embodiment, the present invention proposes the embodiment of a kind of water bath device, with reference to Fig. 1-shown in Fig. 3, comprise controller, water bath box 1, condenser 2 and the airtight reaction vessel 3 arranged in the water bath 1, the water bath 1 is divided into an upper hollow area 11 and an airtight lower heating area 12, and the lower heating area 12 is connected with a water inlet device 4 and a water pumping device 5 and the circulation device 6 that can circulate the water in the lower heating zone 12, the water inlet device 4 and the water pumping device 5 are all connected together with the water bath box 1 through a connecting pipe, and can replenish water in the water bath box 1 or from the water bath box 1 respectively. pumping water, the reaction vessel 3 is inserted in the lower heating zone 12 and is sealed and connected with the lower heating zone 12, so as to ensure that the lower heating zone 12 is a sealed heating zone and avoid water vapor in the water bath box 1. Evaporation can achieve secondary protection against water vapor; the condenser 2 communicates with the lower heating zone 12 for condensing and refluxing the evaporated steam; a heating device 7 is arranged in the lower heating zone 12, Water temperature detection element 8 and liquid level detection element 9, water temperature detection element 8 can select temperature sensor etc. for use, do not specifically limit at this, described heating device 7, water temperature detection element 8, liquid level detection element 9 are all connected with described controller communication connection.

Through the water bath device in this embodiment, the controller controls the action of the water inlet device 4, which can realize the automatic water replenishment of the water bath box 1, and realize the automation of water replenishment; at the same time, the water bath box 1 is set in a semi-closed setting mode, that is, the lower layer It is a sealed heating zone, which can effectively avoid the evaporation of moisture in the lower heating zone 12, reduce the leakage of steam, and save water resources; and the water bath device in this embodiment adopts a circulation device 6, which can make the water bath tank The water flow in 1 is in a state of continuous circulation and movement, which ensures that the water temperature of each part inside the water bath box 1 is consistent, ensures the uniformity of heating of the samples in the reaction vessel 3 in the water bath box 1, and improves the accuracy of the experiment.

In addition, the water bath device in this embodiment can be used as a separate water bath device, and can also be implemented in cooperation with other automatic liquid addition or analysis equipment, realizing the dual-purpose that can be both dedicated and universal.

Further, a detachable partition 10 is arranged between the upper hollow area 11 and the lower heating area 12, and the partition 10 is sealed above the lower heating area 12 so that the lower heating area 12 forms a sealed area . The partition 10 can be fixed on the water bath tank 1 by snap-fitting during installation. When the partition needs to be replaced and the partition 10 needs to be disassembled, the partition 10 can be taken out by opening the clip. The operation is simple and convenient; at the same time, the When the partition 10 in the embodiment is removed, the water bath can be used as a common water bath, so that the water bath 1 can be used for special occasions that cooperate with automation equipment or conventional heating, which expands the scope of application.

Further, the partition 10 is provided with an insertion hole 101 for inserting the reaction vessel 3 and a condenser insertion hole for inserting the condenser, and at the matching position of the insertion hole and the reaction vessel 3, a Gasket or O-ring 102 . The insertion hole of reaction vessel 3 can be provided with multiple according to actual needs, and the aperture of insertion hole can also be processed according to the size of actual reaction vessel 3, does not specifically limit here; Condenser insertion hole can be convenient to condenser 2 to pass through partition The plate 10 returns the condensed and refluxed steam to the inside of the water bath box 1 .

Preferably, the circulation device 6 in this embodiment includes a circulation pump 61 and a water inlet pipe 62 and an outlet pipe 63 connected to both ends of the circulation pump 61, and the water inlet 621 corresponding to the water inlet pipe 62 and the The water outlet 631 corresponding to the water outlet pipe 63 is arranged diagonally on the lower heating zone 12 . The circulating pump 61 circulates the pumping and water intake, so that the water flow inside the water bath box 1 is in a state of continuous circulation, which ensures the uniformity of the temperature of the water inside the water bath box 1, and effectively avoids the problem of uneven temperature inside the water bath box 1 .

Preferably, when setting, the water inlet 621 and the water outlet 631 are arranged in a diagonal form, which can ensure that the liquid inside the water bath 1 forms a convective circulation, and the circulation speed is faster.

When setting, the water inlet 621 can be set at a corner position of the top position of the lower heating zone 12 of the water bath box 1, and the water outlet 631 can be set at the opposite corner position of the bottom end position of the lower heating zone 12 of the water bath box 1 . Certainly, the water outlet 631 may also be arranged at the top, and the water inlet 621 may be arranged at the bottom, which is not limited here.

Further, the reaction vessel 3 in this embodiment includes a closed reaction bottle 31, a liquid inlet pipeline 32 and a liquid outlet pipeline 33 arranged inside the reaction bottle 31, along the The circumferential direction of the reaction bottle is provided with an exhaust port 34, a liquid inlet 35 and a liquid outlet 36 in sequence, and an opening 37 is arranged at the bottom of the reaction bottle 31, and the liquid inlet 35 is connected to the inlet. The liquid pipeline 32 communicates, and the liquid inlet pipeline 32 extends from the liquid inlet 35 to the bottom end of the reaction bottle 31, and the liquid outlet 36 communicates with one end of the liquid outlet pipeline 33, and the outlet The other end of the liquid line 33 communicates with the opening 37 . In order to realize the automatic liquid feeding and automatic pumping of the reaction bottle 31 in the water bath device in this embodiment, the liquid inlet 35 and the liquid outlet 36 provided in this embodiment can be used to connect the external liquid inlet pipe and the external outlet. The liquid pipe is automatically fed and pumped through the peristaltic pump; and through the liquid inlet 35 and the liquid inlet pipeline 32 inside the reaction bottle 31 in this embodiment, the solution can be directly passed through when the liquid is fed through the external liquid inlet pipeline. The liquid inlet line 32 directly enters the bottom of the reaction bottle 31, and will not stick to the inner wall of the reaction bottle 31, and will not cause waste of solution; when pumping liquid, the solution can pass through the liquid outlet line from the opening 37 at the bottom 33. After the liquid outlet 36 is extracted to the external liquid outlet pipeline, it will not stick to the inner wall of the reaction bottle 31, resulting in waste of solution.

Further, this embodiment also includes a water chiller, the condenser 2 includes a condensation inner tube and a condensation outer tube, the condensation outer tube 22 is sleeved on the condensation inner tube, and the condensation inner tube and the condensation inner tube The lower heating area is connected, and a condensation chamber is formed between the condensation inner pipe and the condensation outer pipe. The chiller is connected with the condensation chamber, and the condensation chamber is also connected with a connecting pipeline interface that can be connected to the outside world. When condensing, the cold water in the chiller can be passed into the condensation chamber to cool the steam evaporated into the condensation inner pipe, and the cooled water can flow back into the water bath box 1 through the condensation inner pipe, avoiding the leakage of steam , saving water.

Further, the water inlet device 4 is connected to a water inlet tank 12, and the water pumping device 5 is connected to a waste water barrel 13. In this embodiment, the water inlet device 4 is a water inlet pump, and the water pumping device 5 is a water pump.

Preferably, the liquid level detection element 9 is a liquid level sensor.

In this embodiment, a water bath heating method using the water bath device described in the technical solution of the above embodiment is also proposed, including the following steps:

(1.) Automatic water inlet: the controller sends a signal to the water inlet device 4, the water inlet device 4 is activated, and water is injected into the water bath tank 1. After the injected water touches the liquid level sensor, the liquid level sensor transmits a signal to the controller device, the controller sends a signal to the water inlet device 4, and the water inlet device 4 acts and stops working.

(2.) Automatic circulation heating: the controller sends a signal to the heating device 7 to start heating, and at the same time sends a signal to the circulation device 6, and the circulation device 6 operates to circulate the water in the water bath box 1 to ensure that the liquid The temperature remains consistent.

(3.) Automatic detection of water temperature and automatic condensing and reflux of steam: detect the water temperature through the temperature sensor, and send a signal to the controller after the water temperature reaches the set temperature, and the controller sends a signal to the heating device 7 to stop the heating device 7 completely. Power heating, control the heating power to keep the liquid in the water bath box at the set temperature, and at the same time, the water vapor heated in the lower heating zone 12 evaporates into the condenser, and flows back into the water bath box 1 after being cooled by the condenser.

(4.) Automatic emptying of the water bath box 1: After the heating is completed, the controller controls the pumping device 5 to pump water out of the water bath box 1 and automatically empty the water bath box 1.

Through the water bath device in this embodiment, the water bath tank 1 can be automatically replenished with water, automatically heated, and automatically sensed by the controller to realize automatic control of the heating of the reaction vessel 3, saving labor costs and improving experimental efficiency.

The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art can still understand the foregoing embodiments. Modifications are made to the technical solutions described, or equivalent replacements are made to some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions claimed in the present invention.

Claims (10)

1. a kind of water bath device, which is characterized in that include controller, water bath, condenser and be arranged in water bath close Reaction vessel, the water bath closed is divided into upper layer hollow area and closed lower layer heating zone, is connected on the lower layer heating zone Have water feed apparatus, water plug and can make lower layer heating zone water circulation circulator, the reaction vessel is inserted into It is tightly connected in the lower layer heating zone and with lower layer heating zone, the condenser is connected to the lower layer heating zone；Described Heating device, water temperature detecting element and level sensing element, the heating device, water temperature detection member are provided in lower layer heating zone Part, level sensing element are connect with the controller communication.

2. water bath device according to claim 1, which is characterized in that set between the upper layer hollow area and lower layer heating zone A detachable partition board is set, the top in the lower layer heating zone is arranged in the bulkhead seal.

3. water bath device according to claim 2, which is characterized in that be provided on the partition board for inserting reaction vessel Plug-in opening and for insert condenser condenser be inserted into hole, be provided with gasket between the plug-in opening and reaction vessel Piece.

4. water bath device according to claim 1, which is characterized in that the circulator include circulating pump and with it is described The water inlet pipe and outlet pipe of circulating pump both ends connection, the corresponding water inlet of water inlet pipe and the corresponding water outlet of the outlet pipe It is arranged on the lower layer heating zone in diagonal line.

5. water bath device according to claim 1, which is characterized in that reaction vessel includes that closed reaction bulb, setting exist Inlet pipe inside reaction bulb and outlet tube road, at the position of reaction vessel tip height 1/4 along the reaction bulb Circumferential direction be disposed with exhaust outlet, inlet and liquid outlet, the bottom end of the reaction bulb is provided with opening, it is described into Liquid mouth is connected to the inlet pipe, and the liquid outlet is connected to outlet tube road one end, the other end on the outlet tube road With the open communication.

6. water bath device according to claim 1, which is characterized in that further include having cooling-water machine, the condenser includes Condensation inner tube and condense outer tube, the condense outer tube are set in the condensation inner tube, the condensation inner tube and lower layer heating zone Connection, is formed with condensation chamber, the cooling-water machine is connected to the condensation chamber, described between the condensation inner tube and condense outer tube Condensation chamber is also communicated with the connecting line interface that can be connect with the external world.

7. water bath device according to claim 1, which is characterized in that the water feed apparatus is connect with an inlet tank, described Water plug is connect with a wastewater barrel.

8. water bath device according to claim 1, which is characterized in that level sensing element is liquid level sensor.

9. a kind of heating water bath method using the water bath device described in claim 1-8, which is characterized in that including walking as follows Suddenly：

（1、）Automatic feeding water：Controller signals to water feed apparatus, and water feed apparatus starts, and the water filling into water bath is to be implanted After water touches liquid level sensor, liquid level sensor delivers a signal to controller, and controller sends signals to water feed apparatus, water inlet dress Action is set, is stopped；

（2、）Automatic cycle heats：Controller signals to heating device, and heating device is made to begin to warm up, while signaling to and following Loop device, circulator action make water flowing in water bath recycle, it is ensured that fluid temperature is consistent everywhere；

（3、）The automatic detection of water temperature and the self-refrigeration of steam flow back：Water temperature is detected by temperature sensor, until water temperature reaches To after set temperature, controller is signaled to, controller sends a signal to heating device, and heater stop total power is made to add Heat, control heating power makes liquid in water bath keep set temperature, while the vapor gone out by heating in lower layer heating zone steams It is dealt into condenser pipe, is back in water bath after the cooling of condenser pipe；

（4、）Automatic-discharging water bath：After the completion of heating, controller controls water plug, water is extracted out from water bath, automatically Empty water bath.

10. heating water bath method according to claim 9, which is characterized in that the water outlet of the circulator is set to Water bath bottom side, water inlet are set at the top of water bath, and are distributed in diagonal line with water outlet.