CN114234476A

CN114234476A - Semiconductor refrigerating device for physics major

Info

Publication number: CN114234476A
Application number: CN202111586884.XA
Authority: CN
Inventors: 马超; 丁力勤
Original assignee: North Minzu University
Current assignee: North Minzu University
Priority date: 2021-12-23
Filing date: 2021-12-23
Publication date: 2022-03-25

Abstract

The invention relates to the field of physical major, in particular to a semiconductor refrigerating device for physical major, which comprises an experiment box, wherein an inner groove is formed in the center of the outer wall of the bottom of the experiment box, a cooling structure is arranged on the outer wall of the inner groove, a protection screen plate is arranged on the outer wall of the bottom of the experiment box at the inner groove, a limiting pipe is welded on the outer wall of one side of the experiment box, a lifting structure is arranged in the limiting pipe, a drain pipe is connected to the bottom of the outer wall of one side of the experiment box, and a valve is arranged in the drain pipe. According to the invention, the water pump is matched with the surrounding pipe to circulate liquid, wherein the semiconductor refrigerating sheet and the heating pipe respectively heat and cool the liquid, the entering liquid is filtered and intercepted in the water inlet pipe, the heat radiation fan is started to cool the heat conducting plate by air cooling, the protection screen plate protects the cooling structure, the temperature is conveniently cooled and raised, the filtering is convenient, the cooling and raising efficiency is improved, and the observation is convenient.

Description

Semiconductor refrigerating device for physics major

Technical Field

The invention relates to the technical field of physical major, in particular to a semiconductor refrigerating device for physical major.

Background

The semiconductor refrigerating plate, also called thermoelectric refrigerating plate, is a heat pump. Its advantages are no slide part, limited space, high reliability and no pollution of refrigerant. By using the Peltier effect of the semiconductor materials, when direct current passes through a galvanic couple formed by connecting two different semiconductor materials in series, heat can be absorbed and released at two ends of the galvanic couple respectively, and the aim of refrigeration can be fulfilled. The refrigerating technology is characterized in that no moving part is provided, the reliability is high, the basic theory and the method of physics are mastered by professional cultivation of physics, the refrigerating technology has good mathematical basis and experimental skill, advanced special talents engaged in scientific research, teaching, technology and related management work in the field of physics or related science and technology can be used, liquid with different temperatures is needed in part of physical experiments, the traditional mode is heating and cooling by using alcohol and a refrigerator, the heating effect of the alcohol is slow, and the cooling of the refrigerator is inconvenient for experimental observation.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides a semiconductor refrigeration device for physical specialties.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a semiconductor refrigerating plant for physics specialty, includes the experimental box, the bottom outer wall center department of experimental box has seted up the inner groovy, and the outer wall of inner groovy installs the cooling structure, experimental box bottom outer wall is located inner groovy department and installs the protection otter board, and one side outer wall welding of experimental box has spacing pipe, install elevation structure in the spacing pipe, and one side outer wall bottom of experimental box is connected with the drain pipe, install the valve in the drain pipe, and the both sides outer wall center department of experimental box all articulates there is the handle.

Preferably, the cooling structure is including installing the pipe that encircles at inner groovy both sides outer wall, and the top outer wall of inner groovy installs the water pump, and the bottom outer wall center department that encircles the pipe bonds and has the semiconductor refrigeration piece, and the bottom outer wall of semiconductor refrigeration piece bonds and has the heat-conducting plate, the support is installed to inner groovy bottom department outer wall, and the center department of support installs radiator fan.

Preferably, the both ends of surrounding pipe respectively with the inside intercommunication in both sides of experimental box, and surround one end threaded connection of pipe and have into water assembly the output and the input of water pump all with surround the union coupling, one side that the surrounding pipe is located the semiconductor refrigeration piece is the plane.

Preferably, the water inlet assembly comprises a water inlet pipe, a water inlet cover in threaded connection with one end of the water inlet pipe, a filter screen fixed on the inner wall of the water inlet pipe, an activated carbon plate fixed on one end of the inner wall of the water inlet pipe, a threaded connector welded on one end of the water inlet pipe, a heating pipe installed on the inner wall of the water inlet pipe, and a water inlet arranged at the center of the water inlet cover.

Preferably, elevation structure is including rotating the lifting screw who connects in spacing socle portion, and lifting screw's top welding has the drive block, and lifting screw's outer wall threaded connection has the slider, and the one end welding of slider has the fixed disk, and one side outer wall center department of fixed disk rotates and is connected with the turning block, and the welding of turning block top has the locking block, and the welding of one side bottom outer wall of turning block has the fixed plate.

Preferably, the locking hole that the equidistance distributes is seted up to the outer wall of fixed disk, and the welding of one side outer wall that the locking block is close to the fixed disk has a locking spring, and the welding of the other end of locking spring has a locking lever, fixed plate top outer wall one end is rotated and is connected with adjusting screw, and adjusting screw's outer wall threaded connection has the fly leaf, slider sliding connection is at spacing inside pipe wall.

Preferably, the rotating block is welded at two sides of the movable plate, the movable plate is connected to the outer wall of the limiting strip in a sliding mode, the locking rod is inserted into the locking hole, and the top end of the adjusting screw rod is welded with the knob.

Preferably, the heating pipe, the semiconductor refrigeration piece, the cooling fan and the water pump are connected with the switch through wires, and the switch is connected with the power supply through wires.

The invention has the beneficial effects that:

1. the cooling device is realized by a surrounding pipe, a semiconductor refrigeration sheet, a water pump and an inlet pipe, wherein the water pump is matched with the surrounding pipe to circulate liquid, the semiconductor refrigeration sheet and a heating pipe respectively heat and cool the liquid, the inlet liquid is filtered and intercepted in a water inlet pipe, a cooling fan is started to cool a heat conducting plate in an air cooling mode, a protection screen plate protects a cooling structure, the cooling and heating are facilitated, the filtering is facilitated, the cooling and heating efficiency is improved, and the observation is facilitated;

2. through lifting screw, slider, fixed plate and locking lever realization, the drive block rotates lifting screw, drives the slider and reciprocates, and adjusting screw on the fixed plate rotates for the object is fixed to fly leaf cooperation fixed plate, takes out the locking lever on the fixed disk, can rotate the turning block, and locking spring pops out the locking lever and carries out the locking, and the fixed object of being convenient for is convenient for rotatory, and the lift of being convenient for improves experiment variety.

Drawings

Fig. 1 is a schematic diagram of an overall structure of a semiconductor refrigeration device for physical specialty according to the present invention;

FIG. 2 is a schematic bottom view of a semiconductor refrigeration device for physical specialty according to the present invention;

FIG. 3 is a schematic cross-sectional view of a semiconductor refrigeration device for physical specialty according to the present invention;

FIG. 4 is a schematic view of the overall structure of a cooling structure of a semiconductor refrigeration device for physical specialty according to the present invention;

FIG. 5 is a schematic diagram of the overall structure of a lifting structure of a semiconductor refrigeration device for physical specialty according to the present invention;

FIG. 6 is a schematic view of a fixing plate structure of a semiconductor refrigeration device for physical specialty according to the present invention;

fig. 7 is a schematic view of a water inlet pipe structure of a semiconductor refrigeration device for physical specialty according to the present invention.

In the figure: the device comprises an experiment box 1, an inner groove 2, a cooling structure 3, a protective screen plate 4, a limiting pipe 5, a lifting structure 6, a drain pipe 7, a handle 8, a water pump 9, a surrounding pipe 10, a semiconductor refrigerating sheet 11, a heat conducting plate 12, a support 13, a heat radiating fan 14, a water inlet assembly 15, a water inlet pipe 16, a water inlet cover 17, a filter screen 18, an activated carbon plate 19, a threaded interface 20, a lifting screw rod 21, a driving block 22, a sliding block 23, a fixed disc 24, a rotating block 25, a locking block 26, a locking spring 27, a locking rod 28, a fixed plate 29, a movable plate 30, an adjusting screw rod 31 and a heating pipe 32.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Example 1:

referring to fig. 1-4 and 7, a semiconductor refrigerating device for physical major comprises an experimental box 1, an inner groove 2 is opened at the center of the bottom outer wall of the experimental box 1, and a cooling structure 3 is installed at the outer wall of the inner groove 2, a protection screen 4 is installed at the outer wall of the bottom of the experimental box 1 at the inner groove 2, and a limit pipe 5 is welded at the outer wall of one side of the experimental box 1, a lifting structure 6 is installed in the limit pipe 5, and a drain pipe 7 is connected at the bottom of the outer wall of one side of the experimental box 1, a valve is installed in the drain pipe 7, and handles 8 are respectively hinged at the centers of the outer walls of both sides of the experimental box 1, the cooling structure 3 comprises a winding pipe 10 installed at the outer walls of both sides of the inner groove 2, and a water pump 9 is installed at the top outer wall of the inner groove 2, a semiconductor refrigerating sheet 11 is adhered at the center of the bottom outer wall of the winding pipe 10, and a heat conducting plate 12 is adhered at the bottom outer wall of the semiconductor sheet 11, the bracket 13 is arranged on the outer wall at the bottom of the inner groove 2, the cooling fan 14 is arranged at the center of the bracket 13, the two ends of the surrounding pipe 10 are respectively communicated with the inner parts of the two sides of the experiment box 1, the water inlet assembly 15 is in threaded connection with one end of the surrounding pipe 10, the output end and the input end of the water pump 9 are respectively connected with the surrounding pipe 10, one side, located on the semiconductor refrigeration piece 11, of the surrounding pipe 10 is a plane, the water inlet assembly 15 comprises a water inlet pipe 16, a water inlet cover 17 in threaded connection with one end of the water inlet pipe 16, a filter screen 18 fixed on the inner wall of the water inlet pipe 16, an activated carbon plate 19 fixed at one end of the inner wall of the water inlet pipe 16, a threaded connector 20 welded at one end of the water inlet pipe 16, a heating pipe 32 installed on the inner wall of the water inlet pipe 16 and a water inlet arranged at the center of the water inlet cover 17, the heating pipe 32, the semiconductor refrigeration piece 11, the cooling fan 14 and the water pump 9 are connected with a switch through wires, and the switch is connected with a power supply through wires;

the water pump is joined in marriage and is surrounded the pipe and carry out the liquid cycle, and wherein semiconductor refrigeration piece and heating pipe heat and cool down liquid respectively, filters and intercepts entering liquid in the inlet tube, and radiator fan starts to carry out the forced air cooling to the heat-conducting plate, and protection otter board protection cooling structure is convenient for cool down and heat up, is convenient for filter, improves cooling and intensification efficiency, is convenient for observe.

Example 2:

referring to fig. 1 and 5-6, the lifting structure 6 includes a lifting screw 21 rotatably connected to the bottom of the limiting tube 5, a driving block 22 welded to the top of the lifting screw 21, a sliding block 23 screwed to the outer wall of the lifting screw 21, a fixed plate 24 welded to one end of the sliding block 23, a rotating block 25 rotatably connected to the center of the outer wall of one side of the fixed plate 24, a locking block 26 welded to the top of the rotating block 25, a fixed plate 29 welded to the outer wall of the bottom of one side of the rotating block 25, locking holes equidistantly formed in the outer wall of the fixed plate 24, locking springs 27 welded to the outer wall of one side of the locking block 26 close to the fixed plate 24, a locking rod 28 welded to the other end of the locking spring 27, an adjusting screw 31 rotatably connected to one end of the outer wall of the top of the fixed plate 29, a movable plate 30 screwed to the outer wall of the adjusting screw 31, and a sliding block 23 connected to the inner wall of the limiting tube 5, the limiting strips are welded at the two sides of the rotating block 25, which are positioned on the movable plate 30, the movable plate 30 is connected to the outer wall of the limiting strips in a sliding manner, the locking rod 28 is inserted into the locking hole, and the knob is welded at the top end of the adjusting screw 31;

the drive block 22 rotates lifting screw 21, drives slider 23 and reciprocates, and adjusting screw 31 on the fixed plate 29 rotates for the object is fixed to fly leaf 30 cooperation fixed plate 29, takes out the locking lever 28 on the fixed disk 24, can rotate the turning block, and locking spring 27 pops out locking lever 28 and carries out the locking, and the fixed object of being convenient for is convenient for rotatory, and the lift of being convenient for improves experiment variety.

The working principle is as follows: when the device is used, the experiment box 1 is placed in an experiment table through the handle 8, liquid required by the experiment is poured into the experiment box 1, the semiconductor refrigerating sheet 11 and the water pump 9 are started according to the requirement, the water pump 9 extracts the liquid in the experiment box 1, the liquid is filtered by the filter screen 18 and the activated carbon plate 19 in the water inlet pipe 16 and then enters the surrounding pipe 10, the heat absorption end of the semiconductor refrigerating sheet 11 is contacted with the surrounding pipe 10 to absorb heat to the surrounding pipe 10, the heat is conducted on the heat conduction plate 12, the fan 14 is started to cool the heat conduction plate 12, the liquid is contacted with the cooled surrounding pipe 10 and then is input into the experiment box 1 again, the temperature of the liquid in the experiment box 1 is reduced after multiple cycles, or the water pump 9 and the heating pipe 32 are started, the liquid in the experiment box 1 is extracted by the water pump 9 and enters the water inlet pipe 16 to be filtered, the filtered liquid is heated by the heating pipe 32 and then enters the surrounding pipe and is input into the experiment box 1 again, the experimental liquid becomes hot after many cycles, rotates lift screw 21 through drive block 22, and slider 23 reciprocates under the spacing of spacing pipe 5, places the experimental object on fixed plate 29, rotates regulating wheel screw 31 decline fly leaf 30, and fly leaf 30 cooperates fixed plate 29 to clip the experimental object, takes out locking lever 28, can rotate turning block 25, carries out angle regulation to the experimental object, and locking lever 28 gets into in the locking hole spacing under the support of locking spring 27.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The utility model provides a semiconductor refrigerating plant for physics specialty, includes experimental box (1), its characterized in that, inner groovy (2) have been seted up to the bottom outer wall center department of experimental box (1), and the outer wall of inner groovy (2) installs cooling structure (3), experimental box (1) bottom outer wall is located inner groovy (2) and installs protection otter board (4), and one side outer wall welding of experimental box (1) has spacing pipe (5), install elevation structure (6) in spacing pipe (5), and one side outer wall bottom of experimental box (1) is connected with drain pipe (7), install the valve in drain pipe (7), and the both sides outer wall center department of experimental box (1) all articulates there is handle (8).

2. The semiconductor refrigerating device for the physical major of the claim 1, wherein the cooling structure (3) comprises a surrounding pipe (10) installed on the outer wall of the two sides of the inner groove (2), a water pump (9) is installed on the outer wall of the top of the inner groove (2), a semiconductor refrigerating sheet (11) is bonded at the center of the outer wall of the bottom of the surrounding pipe (10), a heat conducting plate (12) is bonded on the outer wall of the bottom of the semiconductor refrigerating sheet (11), a support (13) is installed on the outer wall of the bottom of the inner groove (2), and a cooling fan (14) is installed at the center of the support (13).

3. The semiconductor refrigerating device for physical specialties according to claim 2, wherein two ends of the surrounding pipe (10) are respectively communicated with the inside of two sides of the experiment box (1), a water inlet assembly (15) is connected to one end of the surrounding pipe (10) in a threaded manner, the output end and the input end of the water pump (9) are both connected with the surrounding pipe (10), and one side, located on the semiconductor refrigerating sheet (11), of the surrounding pipe (10) is a plane.

4. A semiconductor refrigeration device for physical specialization according to claim 2, wherein the water inlet assembly (15) comprises a water inlet pipe (16), a water inlet cover (17) screwed to one end of the water inlet pipe (16), a filter screen (18) fixed to the inner wall of the water inlet pipe (16), an activated carbon plate (19) fixed to one end of the inner wall of the water inlet pipe (16), a nipple (20) welded to one end of the water inlet pipe (16), a heating pipe (32) installed to the inner wall of the water inlet pipe (16), and a water inlet opened at the center of the water inlet cover (17).

5. The semiconductor refrigerating device for the physical major according to claim 1, wherein the lifting structure (6) comprises a lifting screw (21) rotatably connected to the bottom of the limiting pipe (5), a driving block (22) is welded at the top of the lifting screw (21), a sliding block (23) is in threaded connection with the outer wall of the lifting screw (21), a fixed plate (24) is welded at one end of the sliding block (23), a rotating block (25) is rotatably connected at the center of the outer wall on one side of the fixed plate (24), a locking block (26) is welded at the top of the rotating block (25), and a fixed plate (29) is welded at the outer wall on the bottom on one side of the rotating block (25).

6. The semiconductor refrigerating device for the physical major according to claim 5, wherein the outer wall of the fixed disk (24) is provided with locking holes distributed at equal intervals, the outer wall of one side, close to the fixed disk (24), of the locking block (26) is welded with a locking spring (27), the other end of the locking spring (27) is welded with a locking rod (28), one end of the outer wall of the top of the fixed plate (29) is rotatably connected with an adjusting screw rod (31), the outer wall of the adjusting screw rod (31) is in threaded connection with a movable plate (30), and the sliding block (23) is slidably connected to the inner wall of the limiting pipe (5).

7. A semiconductor refrigeration device for physical specialty according to claim 1, characterized in that said turning block (25) is welded with position limiting bars at both sides of the movable plate (30), and the movable plate (30) is slidably connected to the outer wall of the position limiting bars, said locking rod (28) is inserted in the locking hole, and the top end of the adjusting screw (31) is welded with a knob.

8. A semiconductor refrigeration device for physical specialization according to claim 4, wherein the heating pipe (32), the semiconductor refrigeration sheet (11), the cooling fan (14) and the water pump (9) are connected with a switch through wires, and the switch is connected with a power supply through wires.