Positive temperature variable flow heating and refrigerating device

Abstract

The utility model provides a positive temperature variable flow heating and refrigerating device. The positive-temperature variable-flow heating and refrigerating device comprises a box body, an air outlet box is fixedly installed on one side of the box body, two hollow columns are fixedly installed in the air outlet box, a plurality of heat exchange pipes are fixedly installed between the two hollow columns, a water tank is fixedly installed in the box body, a backflow pipe is fixedly installed at the top of the water tank, and the backflow pipe is fixedly installed at the bottom of the box body. One end of each backflow pipe is fixedly connected with the corresponding hollow column, a heating device, a refrigerating device and a water pump are fixedly installed in the box body, the water inlet end of the water pump is fixedly connected with the water tank, a water outlet pipe is fixedly installed at the water outlet end of the water pump, and two first connecting pipes are fixedly installed on the water outlet pipe. The positive temperature variable flow heating and refrigerating device has the advantages that heating and refrigerating can be provided, and the external temperature can be accurately detected.

Description

TECHNICAL FIELD

[0001] The utility model belongs to heat supply refrigeration technical field, especially, relate to a positive temperature variable flow heat supply refrigeration device. BACKGROUND

[0002] PTC is a positive temperature coefficient thermosensitive material, it has the characteristic that the resistivity increases with temperature, PTC effect shows that the resistance increases linearly with temperature, this is the linear PTC effect commonly said, can detect temperature through the change of its resistivity.

[0003] Therefore, it is necessary to provide a new positive temperature variable flow heat supply refrigeration device to solve the above technical problems. INVENTION CONTENTS

[0004] The utility model solves the technical problem to provide a positive temperature variable flow heat supply refrigeration device that can provide heat supply and refrigeration and can accurately detect external temperature.

[0005] In order to solve the above technical problems, the positive temperature variable flow heat supply refrigeration device provided by the utility model comprises: a box body, a side of the box body is fixedly installed with an air outlet box, two hollow columns are fixedly installed in the air outlet box, a plurality of heat exchange pipes are fixedly installed between the two hollow columns, a water tank is fixedly installed in the box body, a reflux pipe is fixedly installed at the top of the water tank, one end of the reflux pipe is fixedly connected with the corresponding hollow column, a heating device, a refrigeration device and a water pump are fixedly installed in the box body, the water inlet end of the water pump is fixedly connected with the water tank, the water outlet end of the water pump is fixedly installed with a water outlet pipe, two first connecting pipes are fixedly installed on the water outlet pipe, one end of the two first connecting pipes is fixedly connected with the heating device and the refrigeration device respectively, an L-shaped pipe is fixedly installed on the corresponding hollow column, one end of the L-shaped pipe extends into the box body, two second connecting pipes are fixedly installed on the L-shaped pipe, one end of the two second connecting pipes is fixedly connected with the heating device and the refrigeration device respectively.

[0006] As a further scheme of the utility model, a thermistor sensor and a control panel are fixedly installed at the top of the air outlet box, the thermistor sensor adopts a thermosensitive material with linear PTC effect positive temperature coefficient.

[0007] As a further scheme of the utility model, two vertical plates are fixedly installed in the air outlet box, a rotating shaft is rotatably installed on the two vertical plates, a fan blade is fixedly installed on one end of the two rotating shafts, a belt pulley is fixedly installed on the other end of the two rotating shafts, a synchronous belt is wound on the two belt pulleys, a drive motor is fixedly installed on one side of the box body, and the output shaft of the drive motor is fixedly connected with the corresponding belt pulley.

[0008] As a further scheme of the utility model, the air outlet box is provided with air inlets on both sides, and filter plates are fixedly installed in the air inlets.

[0009] As a further scheme of the utility model, electromagnetic valves are fixedly installed on the first connecting pipes, and check valves are fixedly installed on the second connecting pipes.

[0010] Compared with the related art, the positive temperature variable flow heat supply and refrigeration device has the following beneficial effects:

[0011] 1. The hollow column, heat exchange pipe, water tank, return pipe, heating device, refrigeration device, water pump, water outlet pipe, first connecting pipe, L-shaped pipe and second connecting pipe are arranged, so that heat supply and refrigeration can be provided according to the use requirement.

[0012] 2. The rotation shaft, fan blade, belt pulley, synchronous belt and driving motor are arranged, so that the external air can be heat exchanged with the heat exchange pipe, and the temperature rising and falling speed of the external air is accelerated. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to facilitate the understanding of those skilled in the art, the utility model will be further described below in combination with the drawings.

[0014] Figure 1 The utility model provides the three-dimensional structure schematic diagram of positive temperature variable flow heat supply and refrigeration device;

[0015] Figure 2 The utility model provides the partial section structure schematic diagram of positive temperature variable flow heat supply and refrigeration device;

[0016] Figure 3 The utility model provides the section structure schematic diagram of positive temperature variable flow heat supply and refrigeration device.

[0017] In the drawing: 1, box body;2, air outlet box;3, hollow column;4, heat exchange pipe;5, water tank;6, return pipe;7, heating device;8, refrigeration device;9, water pump;10, water outlet pipe;11, first connecting pipe;12, L-shaped pipe;13, second connecting pipe;14, thermistor sensor;15, control panel;16, vertical board;17, rotation shaft;18, fan blade;19, belt pulley;20, synchronous belt;21, driving motor;22, air inlet;23, filter plate;24, guardrail;25, electromagnetic valve;26, check valve. DETAILED DESCRIPTION

[0018] Please refer to Figure 1 , Figure 2 and Figure 3 , wherein, Figure 1The utility model provides a positive temperature variable flow heat supply refrigeration device's three -dimensional structure schematic diagram is provided; Figure 2 The utility model provides a positive temperature variable flow heat supply refrigeration device's partial sectional view structure schematic diagram is provided; Figure 3 The utility model provides a positive temperature variable flow heat supply refrigeration device's sectional view structure schematic diagram. Positive temperature variable flow heat supply refrigeration device includes: box 1, the one side fixed mounting of box 1 has air outlet box 2, two hollow columns 3 are fixedly installed in air outlet box 2, a plurality of heat exchange pipes 4 are fixedly installed between two hollow columns 3, water tank 5 is fixedly installed in box 1, the top of water tank 5 is fixedly installed with backflow pipe 6, one end of backflow pipe 6 is fixedly connected with corresponding hollow column 3, heating device 7, refrigeration device 8 and water pump 9 are fixedly installed in box 1, and the water inlet end of water pump 9 is fixedly connected with water tank 5, and the water outlet end of water pump 9 is fixedly installed with water outlet pipe 10, two first connecting pipes 11 are fixedly installed on water outlet pipe 10, and one end of two first connecting pipes 11 is fixedly connected with heating device 7 and refrigeration device 8 respectively, and L-shaped pipe 12 is fixedly installed on corresponding hollow column 3, and one end of L-shaped pipe 12 extends to box 1, and two second connecting pipes 13 are fixedly installed on L-shaped pipe 12, and one end of two second connecting pipes 13 is fixedly connected with heating device 7 and refrigeration device 8 respectively.

[0019] As Figure 1 The top of air outlet box 2 is fixedly installed with thermistor sensor 14 and control panel 15, thermistor sensor 14 adopts thermosensitive material with linear PTC.

[0020] Thermistor sensor 14 and control panel 15 are arranged, so that the device can be controlled, and the external temperature can be detected by thermistor sensor 14.

[0021] As Figure 2 Two vertical boards 16 are fixedly installed in air outlet box 2, two vertical boards 16 are rotatably installed with rotating shafts 17, one end of two rotating shafts 17 is fixedly installed with fan blade 18, the other end of two rotating shafts 17 is fixedly installed with pulley 19, synchronous belt 20 is wound on two pulleys 19, and the one side of box 1 is fixedly installed with driving motor 21, and the output shaft of driving motor 21 is fixedly connected with corresponding pulley 19.

[0022] Rotating shaft 17, fan blade 18, pulley 19, synchronous belt 20 and driving motor 21 are arranged, so that the external air can be heat exchanged with heat exchange pipe 4, and the air after temperature rise or temperature drop is discharged from air outlet box.

[0023] As Figure 2As shown, the air outlet box 2 is provided with air inlet 22 on both sides, two air inlet 22 is fixedly installed with filter plate 23, the air outlet box 2 is fixedly installed with guardrail 24;

[0024] By setting air inlet 22, filter plate 23 and guardrail 24, the dust entering the air outlet box 2 through the air inlet 22 can be filtered, and the heat exchange pipe 4 can be protected.

[0025] As shown in the drawings, Figure 3 Two first connecting pipes 11 are fixedly installed with electromagnetic valve 25, and two second connecting pipes 13 are fixedly installed with check valve 26.

[0026] By setting electromagnetic valve 25 and check valve 26, the water in water tank 5 can be controlled to enter heating device 7 and refrigeration device 8 according to the heating and refrigeration demand, and backflow can be avoided through check valve 26.

[0027] The working principle of the positive temperature variable flow heating and refrigeration device is as follows:

[0028] First step: during heating, start the water pump 9, the water pump 9 draws out the water in the water tank 5, opens the electromagnetic valve 25 on the side of the heating device 7, closes the electromagnetic valve 25 on the side of the refrigeration device 8, makes the water enter the heating device 7, the heating device 7 heats the water, then enters the heat exchange pipe 4 through the second connecting pipe 13, the L-shaped pipe 12 and the hollow column 3, and then returns to the water tank 5 through the return pipe 6, forming a water circulation;

[0029] Second step: start the driving motor 21, the driving motor 21 drives the belt pulley 19 to rotate, under the action of two belt pulleys 19 and synchronous belts 20, two rotating shafts 17 rotate synchronously, two rotating shafts 17 drive the fan blades 18 to rotate, so that the external air enters the air outlet box 2 through the filter plate 23, then the air is heated with the heat exchange pipe 4, and the hot air is blown out through the fan blades 18, completing the heating work;

[0030] Third step: during refrigeration, close the electromagnetic valve 25 on the side of the heating device 7, open the electromagnetic valve 25 on the side of the refrigeration device 8, make the water enter the refrigeration device 8, cool the water through the refrigeration device 8, then the cold water enters the heat exchange pipe 4, repeat the second step, that is, complete the refrigeration work.

[0031] It should be noted that the device structure and the drawings of the utility model mainly describe the principle of the utility model, and the setting of the power mechanism, the power supply system and the control system of the device is not completely described clearly in the technical principle of the design, and under the premise that the technical personnel in the field understand the principle of the above-mentioned utility model, the specific of the power mechanism, the power supply system and the control system can be clearly known, and the control mode of the application file is automatically controlled through the controller, and the control circuit of the controller can be realized through simple programming of the technical personnel in the field;

[0032] The standard parts used can be purchased from the market, and can be ordered according to the description and drawings, the specific connection mode of each part adopts the conventional screw, rivet, welding and other conventional means in the prior art, the mechanical, part and equipment adopt the conventional type in the prior art, and the components known by the technical personnel in the field, the structure and principle thereof can be known by the technical personnel through the technical manual or through the conventional experimental method.

[0033] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations or direct or indirect application can be made to these embodiments without departing from the principle and spirit of the utility model, the scope of the utility model is defined by the appended claims and their equivalents, and the same reason includes the patent protection range of the utility model.

Claims

1. A positive temperature converter for heating and cooling, characterized in that, include: The enclosure includes an air outlet box fixedly installed on one side, two hollow columns fixedly installed inside the air outlet box, and multiple heat exchange tubes fixedly installed between the two hollow columns. A water tank is fixedly installed inside the enclosure, and a return pipe is fixedly installed on the top of the water tank. One end of the return pipe is fixedly connected to a corresponding hollow column. A heating device, a cooling device, and a water pump are fixedly installed inside the enclosure. The inlet of the water pump is fixedly connected to the water tank, and an outlet pipe is fixedly installed on the outlet pipe. Two first connecting pipes are fixedly installed on the outlet pipe, with one end of each first connecting pipe fixedly connected to the heating device and the cooling device, respectively. An L-shaped pipe is fixedly installed on the corresponding hollow column, with one end of each L-shaped pipe extending into the enclosure. Two second connecting pipes are fixedly installed on the L-shaped pipe, with one end of each second connecting pipe fixedly connected to the heating device and the cooling device, respectively.

2. The positive temperature converter heating and cooling device according to claim 1, characterized in that: A thermistor sensor and a control panel are fixedly installed on the top of the air outlet box. The thermistor sensor uses a thermistor material with a positive temperature coefficient of linear PTC effect.

3. The positive temperature converter heating and cooling device according to claim 1, characterized in that: Two vertical plates are fixedly installed inside the air outlet box. A rotating shaft is rotatably installed on each of the two vertical plates. A fan blade is fixedly installed at one end of each of the two rotating shafts, and a pulley is fixedly installed at the other end of each of the two rotating shafts. A synchronous belt is wound around the two pulleys. A drive motor is fixedly installed on one side of the box, and the output shaft of the drive motor is fixedly connected to the corresponding pulley.

4. The positive temperature converter heating and cooling device according to claim 1, characterized in that: Air inlets are provided on both sides of the air outlet box, and filter plates are fixedly installed in both air inlets. A protective railing is fixedly installed inside the air outlet box.

5. The positive temperature converter heating and cooling device according to claim 1, characterized in that: Solenoid valves are fixedly installed on both of the first connecting pipes, and check valves are fixedly installed on both of the second connecting pipes.

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