Novel gradient heating device for laboratory

Abstract

The utility model discloses a novel gradient heating device for a laboratory. The novel gradient heating device comprises a heating oil bath pan, an iron stand, a pressure regulator, a temperature controller and a temperature sensor, the heating device is connected with a pressure regulator through an oil bath pan, the pressure regulator is connected with a temperature controller, the temperature controller monitors the oil bath temperature through a temperature sensor, and safe and stable gradient heating and cooling of the device are achieved through double guarantee of the pressure regulator and the temperature controller. When in use, not only can safe gradient heating and cooling be realized, but also the heating, cooling and heat preservation time can be accurately controlled, so that the working energy of experimenters is greatly saved, and the working efficiency of the experimenters is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to novel gradient heating device for laboratory, specifically relates to a heating technology of experiment real chemical reaction. BACKGROUND

[0002] Chemical reaction heating operation is one of the experiments often carried out in the laboratory, and its purpose is to change the substance by raising the temperature, so as to obtain the required product or carry out other experiments. When carrying out the heating operation of the substance, many details and points need to be paid attention to, so as to ensure the safety and success of the experiment. First of all, the appropriate heating mode should be selected. The commonly used heating modes in the laboratory include water bath heating, oil bath heating, electric heating plate heating and microwave heating, etc. According to the heated substance and the required temperature, it is very important to select the appropriate heating mode. Secondly, the heating temperature and time should be controlled well. The heating temperature and time are the key factors affecting the heating operation of the substance. If the temperature is too high or the time is too long, the substance may decompose, oxidize or have other adverse reactions, thereby affecting the experimental results. Therefore, during the heating process, the readings of the thermometer and the timer should be closely observed, and the heating conditions should be adjusted at any time. Thirdly, the safety of the heating operation should be paid attention to. During the heating operation of the substance, some harmful gases, smoke or flames may be generated, so corresponding safety measures should be taken. Fourthly, the experimental records and data processing should be done well. After completing the heating operation of the substance, the experimental data and results should be recorded in time, including the heating temperature, time, change of the substance, etc. These data can help us analyze whether the experiment is successful or not, and how to improve the experimental conditions and operation methods. At the same time, data processing is also an important part of experimental work, which can help us better understand the experimental results and the properties of the substance.

[0003] In actual operation, the appropriate heating mode should be selected, the heating temperature and time should be controlled well, the safety problem should be paid attention to and the experimental records and data processing should be done well. Through continuous practice and accumulation of experience, we can better master the skills and methods of the heating operation of the substance, and improve the efficiency and success rate of the experiment. CONTENT OF THE UTILITY MODEL

[0004] In view of the above problems of prior art, we design the laboratory gradient heating device, which solves the above-mentioned problems through reasonable configuration of the oil bath pot, pressure regulator, temperature controller and temperature sensor. Thus, a method for safer and more efficient heating reaction in the laboratory is provided, and the device can set the heating time and reaction holding time. Specifically, the utility model comprises the following technical schemes.

[0005] The utility model provides a laboratory gradient heating device, including heating oil bath, iron stand, pressure regulator, temperature controller, temperature sensor, the heating device is through oil bath connection pressure regulator, and pressure regulator is connected with temperature controller, and temperature controller monitors oil bath temperature through temperature sensor, sets up reaction temperature on temperature controller, the time required to rise to the temperature and the holding time after reaching the temperature, and pressure regulator sets up voltage.

[0006] The heating oil bath is a common laboratory heating oil bath on the market.

[0007] The pressure regulator is a common moving coil type pressure regulator for laboratory.

[0008] The temperature controller is a common electronic temperature controller for laboratory on the market.

[0009] It should be understood that the term "connected" used herein includes detachable fixed connection or movable connection.

[0010] Preferably, the connecting wires are all 4 square mm copper wires.

[0011] In an embodiment, the oil bath heat-conducting oil should be selected from methyl silicone oil or dimethyl silicone oil, which has good thermal stability, high thermal conductivity and good heat capacity, thereby ensuring good safety.

[0012] As can be easily understood by those skilled in the art, the gradient heating device of the utility model can be used for conventional heating chemical reactions in laboratory and is suitable for chemical reactions with a reaction temperature of 200 DEG C or less.

[0013] When the laboratory gradient heating device of the utility model is used, the temperature, time and voltage are set, and after observing that the reaction temperature is stable, it is not necessary to operate all the time, and the device can automatically control the heating and holding time. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a structural schematic view of the laboratory gradient heating device of the utility model.

[0015] Figure 2 It is a structural schematic view of the pressure regulator of the utility model.

[0016] Figure 3 It is a structural schematic view of the temperature sensor of the utility model.

[0017] Figure 4 It is a structural schematic view of the temperature controller of the utility model.

[0018] Figure 5 It is a structural schematic view of the heating oil bath of the utility model.

[0019] Wherein, 1, iron stand; 2, clamping device; 3, temperature sensor; 4, heating oil bath pot; 5, voltage regulator; 6, temperature controller. DETAILED DESCRIPTION

[0020] The technical solutions in the laboratory gradient temperature rising device embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the utility model embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0021] For the sake of convenience, the "laboratory new gradient temperature rising device" is sometimes referred to as "gradient temperature rising device" and "temperature rising device" in this paper, which represent the same meaning and can be used interchangeably.

[0022] Please refer to Figures 1-5 In the embodiments of the utility model, a laboratory new gradient temperature rising device is provided, which comprises an iron stand 1, a clamping device 2, a temperature sensor 3, a heating oil bath pot 4, a voltage regulator 5 and a temperature controller 6. The temperature rising device is connected with the voltage regulator 5 through the oil bath pot 4, the voltage regulator 5 is connected with the temperature controller 6, the temperature controller monitors the oil bath temperature through the temperature sensor 3, the reaction temperature, the time required to rise to the temperature and the holding time after reaching the temperature are set on the temperature controller 6, and the voltage regulator 5 is set with the voltage.

[0023] Refer to Figure 2 The temperature rising device generates heat through the heating ring in the oil bath pot 4 and conducts the heat to the heat conducting oil to generate heat, thereby providing heating for the reaction.

[0024] Refer to Figure 1 The temperature sensor 3 is placed in the oil bath, and the other end is connected with the temperature controller 6. The required temperature is set through the temperature controller 6, and the actual temperature is detected by the temperature sensor 3.

[0025] Refer to Figure 1 and Figure 2 The temperature controller 6 has an electronic display screen, a temperature setting key and a time setting key on the outer surface, and a built-in chip. The required temperature can be set, the time required for temperature rising can be set, and the holding time after reaching the temperature can be set.

[0026] Refer to Figure 1 and Figure 2 The temperature rising device is double-protected by the voltage regulator and the temperature controller, realizes safe and stable gradient temperature rising and cooling of the device, can not only safely and gradiently rise and cool, but also accurately control the temperature rising, cooling and holding time.

[0027] Please refer to Figure 2 , the voltage regulator 5 is a moving coil voltage regulator, it moves up and down along the core column by a moving coil which is self shorted on the same core, to change the impedance and voltage distribution of the other two coils which are equal in number of turns and opposite in series, to adjust the output voltage. The wiring principle of moving coil voltage regulator: the core of the voltage regulator is single-phase single-column two-side yoke, sometimes also three-side yoke. It has a main coil 1a and an auxiliary coil 1b, which are equal in number of turns and symmetrically sleeved on the upper and lower halves of the core column, and are reversely connected in series. The main coil 1a and the coil 2 are connected with each other by self-coupling, forming a self-coupling transformer. Coil 3 is a moving coil which is self shorted, sleeved outside coils 1a, 1b and 2. The moving coil can change the position through the transmission mechanism, so as to adjust the output voltage U2.

[0028] Please refer to Figure 3 , the temperature sensor 3 is a common contact type temperature sensor, which reaches thermal equilibrium through conduction or convection, so that the indication of the thermometer can directly represent the temperature of the measured object. Generally, the measurement accuracy is high. Within a certain temperature measurement range, the thermometer can also measure the temperature distribution inside the object.

[0029] Please participate Figure 4 , the temperature controller 6 is an electronic temperature controller, and the electronic temperature controller (resistance type) is measured by using resistance temperature sensing method. Generally, platinum wire, copper wire, tungsten wire and thermistor are used as temperature measuring resistance. These resistances have their own advantages. The electronic temperature controller has the advantages of stability and small size.

[0030] The working principle of the utility model is: in use, the oil bath pot is connected with the voltage regulator, the voltage regulator is connected with the temperature controller, and the temperature controller monitors the oil bath temperature through the temperature sensor. The reaction temperature, the time required to rise to the temperature and the holding time after reaching the temperature are set on the temperature controller, and the voltage is set on the voltage regulator. Through the double protection of the voltage regulator and the temperature controller, the safe and stable gradient heating and holding of the device are realized.

[0031] For those skilled in the art, it is obvious that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Although the present application is described in terms of embodiments, not every embodiment contains only one technical solution, and the description of the specification is for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be combined appropriately to form other embodiments which can be understood by those skilled in the art.

Claims

1. A novel gradient heating device for laboratories, characterized in that, It includes an iron stand (1), a clamping device (2), a temperature sensor (3), a heating oil bath (4), a pressure regulator (5), and a temperature controller (6). The heating device is connected to the pressure regulator (5) through the oil bath (4), and the pressure regulator (5) is then connected to the temperature controller (6). The temperature controller monitors the oil bath temperature through the temperature sensor (3). With the dual protection of the pressure regulator (5) and the temperature controller (6), the device can achieve safe and stable gradient heating.

2. The novel laboratory gradient heating device as described in claim 1, characterized in that, The heating device generates heat by transferring heat from the heating coil in the oil bath (4) to the heat transfer oil, thereby providing heating for the reaction.

3. The novel laboratory gradient heating device as described in claim 1, characterized in that, The pressure regulator (5) is connected to the oil bath (4) at one end and to the temperature controller (6) at the other end.

4. The novel laboratory gradient heating device as described in claim 1, characterized in that, The temperature sensor (3) has its probe end placed in an oil bath and its other end connected to a temperature controller (6). The temperature controller (6) sets the required temperature, and the temperature sensor (3) detects the actual temperature.

5. The novel laboratory gradient heating device as described in claim 1, characterized in that, The temperature controller (6) has an electronic display screen, a temperature setting key and a time setting key on the outside. It has a built-in chip that can set the required temperature, the time required for heating, and the holding time after the temperature is reached.

6. The novel laboratory gradient heating device as described in claim 1, characterized in that, The voltage regulator (5) adjusts the voltage according to the required temperature to ensure that the reaction temperature does not rise too quickly, exceed the temperature limit, or rise too slowly.

7. The novel laboratory gradient heating device as described in claim 1, characterized in that, The heating device is equipped with both a voltage regulator and a temperature controller to ensure safe and stable gradient heating and cooling. It can not only safely and gradient heat up and cool down, but also precisely control the heating, cooling and holding time.

Images