CN110220327B

CN110220327B - New forms of energy improved generation ground source heat pump set

Info

Publication number: CN110220327B
Application number: CN201910500418.1A
Authority: CN
Inventors: 张永东
Original assignee: Sichuan Liangshi Agricultural Technology Co ltd
Current assignee: Sichuan Liangshi Agricultural Technology Co.,Ltd.
Priority date: 2019-06-11
Filing date: 2019-06-11
Publication date: 2020-11-03
Anticipated expiration: 2039-06-11
Also published as: CN110220327A

Abstract

The invention discloses a new energy improved ground source heat pump unit which comprises a heat collection cabin arranged under the ground and a heat pump unit body arranged on the ground, wherein a heat exchange plate is fixedly arranged in the heat collection cabin, the heat pump unit body is connected with the heat exchange plate through a circulation inlet pipe and a circulation outlet pipe and performs circulation heat exchange, a rotating shaft is vertically arranged at the center in the heat collection cabin, the upper end of the rotating shaft is rotatably connected to the inner top wall of the heat collection cabin, three heat storage mechanisms are arranged on the inner bottom wall of the heat collection cabin at equal intervals along the circumferential direction of the inner bottom wall, a heat conduction plate for conducting heat transfer between the heat storage mechanisms and the heat exchange plate is fixedly connected to the side wall of the rotating shaft, and an automatic control mechanism for driving the rotating shaft. The invention provides heat energy by a plurality of heat storage mechanisms in turn, thereby ensuring the stable heat supply in a limited area in a circulating way, realizing self-control action, needing no manual intervention and control and having more convenient and efficient use.

Description

New forms of energy improved generation ground source heat pump set

Technical Field

The invention relates to the technical field of geothermal energy, in particular to a new energy improved ground source heat pump unit.

Background

Currently, under the situation that the energy supply is tight and the greenhouse effect is becoming more serious, the development of renewable energy utilization technology is imminent. Especially in the field of building energy, the utilization of new energy sources is more widely concerned, such as the utilization of solar energy, wind energy and geothermal energy, wherein the utilization of the wind energy and the solar energy is mature, and the utilization of the geothermal energy is not mature.

The existing ground source heat pump unit has certain disadvantages when in use, the existing heat pump unit directly buries the buried pipe underground, the heat energy in the soil is absorbed and transferred to the heat pump unit, but the heat energy stored in the soil in a region is limited, after the heat energy is transferred, the soil needs to be stored for a period of time again, and the heat energy which can be absorbed and stored in unit time is limited, the energy storage time is longer, the heat energy supplied in unit time is more during heat supply, the fault easily appears during heat supply, in the limited soil region, the heat energy transfer is insufficient, and the energy use efficiency and the heat supply stability of the whole heat pump unit are influenced.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides a new energy improved ground source heat pump unit.

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

the utility model provides a new forms of energy improved generation ground source heat pump unit, is including installing at subaerial collection hot-water mixing chamber and installing at subaerial heat pump unit body, fixed mounting has the heat transfer board in the collection hot-water mixing chamber, the heat pump unit body advances pipe, circulation exit tube and heat transfer board through the circulation and is connected and the circulation heat transfer, the vertical pivot that is equipped with of collection hot-water mixing chamber center department, the upper end of pivot is rotated and is connected on the interior roof in collection hot-water mixing chamber, be equipped with three heat-retaining mechanism along its circumference equidistant on the interior diapire in collection hot-water mixing chamber, fixedly connected with is used for carrying out the heat-conducting plate that conducts between heat-retaining mechanism and the heat transfer board on the lateral.

Preferably, heat-retaining mechanism includes the heat storage board of fixed mounting on the diapire in the thermal-arrest under-deck, a plurality of conducting strips of lower extreme fixedly connected with of heat storage board, a plurality of and the heat absorption cover of conducting strip position one-to-one of fixedly connected with on the diapire in thermal-arrest cabin, the conducting strip is located the heat absorption cover, the intussuseption of heat absorption cover is filled with heat conduction liquid, the heat transfer is realized with heat transfer plate, heat storage board contact respectively to the upper and lower both ends face of heat-conducting plate.

Preferably, from control mechanism including fixed connection the heat transfer piece on the pivot lateral wall, the heat transfer piece is unanimous with the orientation of heat-conducting plate, and is a plurality of heat storage plate is towards the equal fixedly connected with heat conduction piece in one side of pivot, heat conduction piece and heat storage plate heat transfer each other and with the temperature, and the one end and the heat conduction piece contact heat transfer of heat transfer piece, be equipped with the smooth chamber of stock solution in the pivot, the smooth intracavity of stock solution is filled with thermal expansion liquid, the other end of heat transfer piece runs through the lateral wall of pivot and contacts with thermal expansion liquid, sliding connection has the sliding plug in the smooth chamber of stock solution, the lower extreme of sliding plug rotates and is connected with the threaded rod, fixedly connected with spacing pearl on the inner wall in the smooth chamber of stock solution, and spacing pearl sliding connection is in the thread groove on the threaded rod, the fixed cup joint of lower extreme, the other end of the coil spring is fixedly connected to the inner bottom wall of the heat collection cabin, the heat transfer block is fixedly connected with a permanent magnet block, and the heat transfer block is made of a magnetic material.

Preferably, the thermal expansion fluid is kerosene.

Preferably, the heat-conducting liquid filled in the heat-absorbing cover is propylene glycol.

The invention has the beneficial effects that:

through setting up a plurality of heat-retaining mechanisms to set up the heat-conducting plate, make heat energy on the heat-retaining plate pass through the heat-conducting plate and transmit to the heat transfer board on, can improve heat energy to the heat transfer board, and then for the heat pump set body provides heat energy, can realize providing heat energy through a plurality of heat-retaining mechanisms in turn in an area, and then guarantee stable heat energy output.

By arranging the self-control mechanism, when heat energy on a heat storage plate of an energy storage mechanism is continuously transmitted to the heat exchange plate through the heat conduction plate, the temperature on the heat storage plate is continuously reduced, and the heat transmission block and the heat conduction block are in heat transmission with each other, so that the temperature of thermal expansion liquid is continuously reduced, the volume of the thermal expansion liquid is reduced along with the reduction of the temperature of the thermal expansion liquid, and the sliding plug is further upwards slid to drive the threaded rod to upwards move, and the threaded rod can rotate due to the limiting effect of the limiting beads, and further the spiral spring is driven to upwards apply force through the one-way transmission of the one-way bearing, and provides reaction force for the threaded rod, when the heat energy temperature is fully transmitted by the heat storage plate to be minimum, namely the reaction force provided by the spiral spring breaks through the attraction force between the permanent magnet and the heat conduction block, the spiral spring releases the force, the threaded rod is driven to rotate through the, and then drive the pivot and rotate for permanent magnetism piece and next heat conduction piece attract, and the heat-conducting plate rotates to next heat storage plate upper end simultaneously and continues to carry out the heat energy transfer on this heat storage plate, and the last heat storage plate of fully discharging absorbs soil heat energy again and carries out the energy storage simultaneously, realizes that one heat storage plate is when providing heat energy, and last heat storage plate is at the storage heat energy, and then realizes the stable heat supply of circulation in limited area, and realizes from the control.

Drawings

Fig. 1 is a schematic structural diagram of a new energy source improved ground source heat pump unit provided by the invention;

fig. 2 is a schematic structural diagram of a heat storage plate, a heat conduction block, a heat transfer block and a rotating shaft of the new energy improved ground source heat pump unit provided by the invention;

fig. 3 is a schematic structural diagram of a self-control mechanism of the new energy source improved ground source heat pump unit provided by the invention.

In the figure: 1 heat collecting cabin, 2 circulation inlet pipes, 3 heat pump unit bodies, 4 circulation outlet pipes, 5 heat exchange plates, 6 heat conduction plates, 7 heat storage plates, 8 heat absorption covers, 9 heat conduction sheets, 10 rotating shafts, 11 heat conduction blocks, 12 heat conduction blocks, 13 thermal expansion liquid, 14 sliding plugs, 15 limiting beads, 16 threaded rods, 17 one-way bearings, 18 coil springs and 19 permanent magnet blocks.

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.

Referring to fig. 1-3, a new energy improved ground source heat pump unit, including installing in subaerial collection cabin 1 and installing in subaerial heat pump unit body 3, fixed mounting has heat transfer board 5 in collection cabin 1, heat pump unit body 3 is connected and the circulation heat transfer with heat transfer board 5 through circulation inlet tube 2, circulation outlet tube 4, the vertical pivot 10 that is equipped with of center department in collection cabin 1, the upper end of pivot 10 is rotated and is connected on the interior roof of collection cabin 1, be equipped with three heat-retaining mechanism along its circumference equidistant on the interior diapire of collection cabin 1, fixedly connected with heat-conducting plate 6 that is used for carrying out the heat transfer between heat-retaining mechanism and the heat transfer board 5 on the lateral wall of pivot 10, be equipped with on the pivot 10 and be used for driving pivot 10 fixed angle pivoted from the control mechanism.

According to the invention, the heat storage mechanism comprises a heat storage plate 7 fixedly arranged on the inner bottom wall of the heat collection cabin 1, the lower end of the heat storage plate 7 is fixedly connected with a plurality of heat conducting fins 9, the bottom wall of the heat collection cabin 1 is fixedly connected with a plurality of heat absorption covers 8 which correspond to the heat conducting fins 9 one by one, the heat conducting fins 9 are positioned in the heat absorption covers 8, heat conducting liquid is filled in the heat absorption covers 8, the heat conducting liquid filled in the heat absorption covers 8 is propylene glycol, so that heat energy in soil is more uniform and stable when heat is transferred to the heat conducting fins 9 through the heat absorption covers 8, and the upper end face and the lower end face of the heat conducting plate 6 are respectively.

Wherein, the self-control mechanism comprises a heat transfer block 12 fixedly connected on the side wall of a rotating shaft 10, the heat transfer block 12 is consistent with the orientation of a heat conduction plate 6, one side of each heat storage plate 7 facing the rotating shaft 10 is fixedly connected with a heat conduction block 11, the heat conduction block 11 and the heat storage plate 7 mutually transfer heat and have the same temperature, one end of the heat transfer block 12 is in contact with the heat conduction block 11 for transferring heat, a liquid storage sliding cavity is arranged in the rotating shaft 10, the liquid storage sliding cavity is filled with thermal expansion liquid 13, the thermal expansion liquid 13 is kerosene, the volume deformation of thermal expansion and cold contraction is large, the other end of the heat transfer block 12 penetrates through the side wall of the rotating shaft 10 and is in contact with the thermal expansion liquid 13, a sliding plug 14 is slidably connected in the liquid storage sliding cavity, the lower end of the sliding plug 14 is rotatably connected with a threaded rod 16, a limiting ball 15 is fixedly connected on the, fixedly connected with disc spring 18 on one-way bearing 17's the outer lane wall, disc spring 18's other end fixed connection is on the interior diapire in heat collection cabin 1, fixedly connected with permanent magnetism piece 19 on the heat transfer piece 12, and heat conduction piece 11 is made by magnetism material, and the accessible is at the copper-plated heat-conducting layer in the outside of nickel magnetic material for when possessing magnetism and inhaling the performance, have better heat conductivility.

When the heat pump unit is used, heat energy is transferred from the heat storage plate 7 to the heat exchange plate 5 through the heat conduction plate 6, so that heat energy can be increased for the heat exchange plate 5, heat energy is further provided for the heat pump unit body 3, when heat energy on the heat storage plate of an energy storage mechanism is continuously transferred to the heat exchange plate 5 through the heat conduction plate 6, the temperature on the heat storage plate is continuously reduced, the temperature of the thermal expansion liquid 13 is continuously reduced due to the mutual heat transfer of the heat transfer block 12 and the heat transfer block 11, the volume of the thermal expansion liquid 13 is reduced along with the reduction of the temperature of the thermal expansion liquid 13, the sliding plug 14 is further upwards slid to drive the threaded rod 16 to upwards move, due to the limiting effect of the limiting ball 15, the threaded rod 16 can be rotated, the one-way transmission of the one-way bearing 17 is further used for driving the spiral spring 18 to be screwed upwards, the spiral spring 18 provides counter force for the threaded rod, that is, when the reaction force provided by the coil spring 18 breaks through the attraction force between the permanent magnet 19 and the heat conducting block 11, the coil spring 18 releases the force, the threaded rod 16 is driven to rotate through the one-way bearing 17, and the heat conducting plate 6 rotates to the upper end of the next heat storing plate 7 to continuously transfer the heat energy on the heat storing plate 7 due to the incompressible liquid characteristic of the thermal expansion liquid 13 and the limiting effect of the limiting bead 15, so as to drive the rotating shaft 10 to rotate, so that the permanent magnet 19 is attracted to the next heat conducting block 11, and meanwhile, the heat conducting plate 6 rotates to the upper end of the next heat storing plate 7 to continuously transfer the heat energy on the heat storing plate 7, and meanwhile, the previous heat storing plate 7 fully releases the heat energy to store the heat energy again, so that the previous heat storing plate stores.

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. A new energy improved ground source heat pump unit comprises a heat collecting cabin (1) arranged under the ground and a heat pump unit body (3) arranged on the ground, it is characterized in that a heat exchange plate (5) is fixedly arranged in the heat collection cabin (1), the heat pump unit body (3) is connected with the heat exchange plate (5) through the circulating inlet pipe (2) and the circulating outlet pipe (4) and performs circulating heat exchange, a rotating shaft (10) is vertically arranged at the center in the heat collection cabin (1), the upper end of the rotating shaft (10) is rotatably connected to the inner top wall of the heat collection cabin (1), three heat storage mechanisms are arranged on the inner bottom wall of the heat collection cabin (1) at equal intervals along the circumferential direction, the side wall of the rotating shaft (10) is fixedly connected with a heat conducting plate (6) used for conducting heat transfer between the heat storage mechanism and the heat exchange plate (5), the rotating shaft (10) is provided with a self-control mechanism for driving the rotating shaft (10) to rotate at a fixed angle;

the heat storage mechanism comprises a heat storage plate (7) fixedly mounted on the inner bottom wall of the heat collection cabin (1), the lower end of the heat storage plate (7) is fixedly connected with a plurality of heat conducting fins (9), the bottom wall of the heat collection cabin (1) is fixedly connected with a plurality of heat absorption covers (8) which are in one-to-one correspondence with the positions of the heat conducting fins (9), the heat conducting fins (9) are located in the heat absorption covers (8), heat conducting liquid is filled in the heat absorption covers (8), and the upper end face and the lower end face of the heat conducting plate (6) are respectively in contact with the heat exchange plate (5) and the heat storage plate (7) to realize heat exchange;

from control mechanism including heat transfer block (12) of fixed connection on pivot (10) lateral wall, heat transfer block (12) are unanimous with the orientation of heat-conducting plate (6), and are a plurality of heat storage plate (7) are towards equal fixedly connected with heat conduction block (11) in one side of pivot (10), heat conduction block (11) and heat storage plate (7) heat transfer each other and with the temperature, and the one end and heat conduction block (11) contact heat transfer of heat transfer block (12), be equipped with the smooth chamber of stock solution in pivot (10), the smooth intracavity of stock solution is filled with thermal expansion liquid (13), the other end of heat transfer block (12) runs through the lateral wall of pivot (10) and contacts with thermal expansion liquid (13), sliding connection has sliding plug (14) in the sliding chamber of stock solution, the lower extreme of sliding plug (14) rotates and is connected with threaded rod (16), fixedly connected with spacing pearl (15) on the inner wall in the smooth chamber, and in the thread groove of spacing pearl (15) sliding connection on threaded rod (16), the fixed cover of lower extreme of threaded rod (16) has connect one-way bearing (17), fixedly connected with coil spring (18) on the outer lane wall of one-way bearing (17), the other end fixed connection of coil spring (18) is on the interior diapire in heat collection cabin (1), fixedly connected with permanent magnetism piece (19) on heat transfer block (12), heat conduction piece (11) are made by the material of magnetism.

2. The improved ground source heat pump unit as claimed in claim 1, wherein the thermal expansion fluid (13) is kerosene.

3. The new energy improved ground source heat pump unit as claimed in claim 1, wherein the heat conducting liquid filled in the heat absorption cover (8) is propylene glycol.