CN-224205802-U - Warmhouse booth of phase transition heat accumulation

CN224205802UCN 224205802 UCN224205802 UCN 224205802UCN-224205802-U

Abstract

The utility model discloses a phase-change heat-storage greenhouse, and belongs to the field of greenhouses. The utility model provides a warmhouse booth of phase transition heat accumulation, includes sunlight warmhouse booth, phase transition heat accumulation case, data transfer ware, controller, fan, first double-end expansion and shrinkage valve, second double-end expansion and shrinkage valve, first stop valve, second stop valve, first temperature sensor, second temperature sensor, third temperature sensor, fourth temperature sensor and fifth temperature sensor. According to the utility model, parameters such as temperature, illumination and the like are detected by the sensor, the controller automatically switches the heat storage/release mode, the wind speed of the fan and the passage of the expansion valve are regulated, the cooperative work of each module in the array is ensured, and the heat energy is efficiently utilized.

Inventors

Bai Zhongjing
LUO DAWEI
WANG WENLIANG
QIU MINBO
Yang Lingou
Zeng Tongfei
LEI LEI
LI WENYING
CHEN HUAN
PENG XINYI

Assignees

成都理工大学

Dates

Publication Date: 20260508
Application Date: 20250527

Claims (10)

1. The phase-change heat-accumulating greenhouse is characterized by comprising a sunlight greenhouse, a phase-change heat-accumulating box, a data transfer device, a controller, a fan, a first double-head expansion and contraction valve, a second double-head expansion and contraction valve, a first stop valve, a second stop valve, an illuminance sensor, a first temperature sensor, a second temperature sensor, a third temperature sensor, a fourth temperature sensor and a fifth temperature sensor; A phase change heat storage box and a fan are arranged in the sunlight greenhouse; The air inlet of the phase change heat storage box is connected with a first port of a first double-head expansion and contraction valve, a second port of the first double-head expansion and contraction valve is connected with an air outlet of the fan through a first stop valve, the air outlet of the phase change heat storage box is connected with a first port of a second double-head expansion and contraction valve, and a second port of the second double-head expansion and contraction valve is connected with a second stop valve; The first temperature sensor is arranged at a second port of the first double-head expansion and contraction valve, the second temperature sensor is arranged at a second port of the second double-head expansion and contraction valve, the third temperature sensor is arranged at the top of the sunlight greenhouse, the fourth temperature sensor is arranged at the bottom of the sunlight greenhouse, and the fifth temperature sensor is arranged in the phase change heat storage box; The data transfer device is respectively connected with the controller, the illuminance sensor, the first temperature sensor, the second temperature sensor, the third temperature sensor, the fourth temperature sensor and the fifth temperature sensor; The controller is respectively connected with the fan, the first stop valve, the second stop valve, the first double-head expansion and contraction valve and the second double-head expansion and contraction valve.
2. The phase-change heat-accumulating greenhouse according to claim 1, wherein the plurality of phase-change heat-accumulating boxes are sequentially communicated to form a group of phase-change heat-accumulating boxes, and in each group of phase-change heat-accumulating boxes, an air inlet of a first phase-change heat-accumulating box is connected with an air outlet of a fan, and an air outlet of a previous phase-change heat-accumulating box is connected with an air inlet of a subsequent phase-change heat-accumulating box.
3. The phase-change heat-accumulating greenhouse according to claim 1, wherein the phase-change heat-accumulating box comprises a box body with an opening at the side, a corrugated heat-absorbing cover for opening or closing the opening is arranged on the opening surface of the box body, a liquid inlet, a liquid outlet, an air inlet and an air outlet are arranged on the box body, a fifth temperature sensor and a phase-change liquid pipeline are arranged in the box body, and two ends of the phase-change liquid pipeline are connected with the liquid inlet and the liquid outlet respectively.
4. The phase-change heat-accumulating greenhouse according to claim 3, wherein the phase-change heat-accumulating box further comprises a fixing structure, the fixing structure comprises a first support plate, a second support plate and a third support plate, the first support plate and the second support plate are intersected to form an L-shaped structure, the third support plate is hinged to the side surface, far away from the first support plate, of the second support plate, a plurality of first threaded holes are formed in the first support plate, a plurality of second threaded holes are formed in the side surface, hinged to the third support plate, of the second support plate, and a plurality of third threaded holes are formed in the third support plate; When the third support plate is turned over to the position where the third threaded hole is communicated with the corresponding second threaded hole, the first support plate, the second support plate and the third support plate form a U-shaped structure under the condition that the third support plate and the first support plate are located on the same side of the second support plate, and the box body is arranged in the U-shaped structure.
5. A phase-change heat-accumulating greenhouse according to claim 3, wherein the inner wall surface of the box body is provided with a heat-insulating plate, and one side of the heat-insulating plate away from the inner wall of the box body is provided with a flexible PVC water bag.
6. A phase-change heat-accumulating greenhouse according to claim 3, wherein the liquid inlet and the liquid outlet of the box body are provided with rotary liquid outlet control valves.
7. The phase-change heat-accumulating greenhouse according to claim 3, wherein a sealing ring is arranged on the inner wall of the opening surface of the box body.
8. The phase-change heat-accumulating greenhouse of claim 7, wherein the sealing ring is a heat-resistant foaming rubber ring.
9. A phase-change heat-accumulating greenhouse according to claim 3, wherein the side of the corrugated heat-absorbing cover facing away from the box body is provided with a heat-absorbing coating.
10. The phase-change heat-accumulating greenhouse according to claim 1, wherein the structure of the second double-head expansion reducing valve is the same as that of the first double-head expansion reducing valve, the first double-head expansion reducing valve comprises a valve cavity, a first port and a second port are arranged on the valve cavity, a linear first channel and a curved second channel are arranged in the valve cavity, expansion pipes are arranged in the second channel, two ends of the first channel are respectively communicated with the first port and the second port, two ends of the second channel are respectively communicated with the first port and the second port, and a channel switching valve for switching the conduction of the first channel or the second channel is arranged in the valve cavity.

Description

Warmhouse booth of phase transition heat accumulation Technical Field The utility model belongs to the field of greenhouses, and particularly relates to a phase-change heat-storage greenhouse. Background The phase change energy storage ‌ is a technology for realizing energy storage and release by absorbing or releasing latent heat by utilizing the physical phase change (such as solid-liquid, liquid-gas and the like) of a Phase Change Material (PCM) at a specific temperature, and has good application prospect in temperature regulation of a greenhouse. The patent application number 202210616636.3 discloses a warmhouse booth phase transition wall body heat accumulation coupling biomass boiler heating system, and this patent scheme uses wall body structure, and its volume weight is all great, and is higher to constructor's technical level requirement, and built-in heat exchange pipeline and heat preservation module are as fixed knot constructs, fragile in cold and hot transform is difficult to change again, and secondly, great wall body itself is a heat accumulation board, and when greenhouse temperature was higher, there was obvious temperature gradient along wall body vertical direction, probably can burn the plant. The patent application number 201922304376.2 discloses a sunlight greenhouse water module back wall, the water module back wall that this patent scheme disclosed simple structure, simple to operate, portable and transportation, long service life, but as a great wall body plate, weight, volume are all the factor that can not neglect, because be passive heat accumulation entirely, its heat accumulation performance depends on heat accumulation material heat conduction entirely, heat accumulation ability, easily receive factors such as weather and take place strong fluctuation, and simultaneously because passive heat accumulation, when the temperature is high, the cooling is slow, the temperature in the difficult rapid adjustment greenhouse forms very big temperature difference in the greenhouse. Disclosure of utility model The utility model aims to overcome the defects of the prior art and provides a phase-change heat-storage greenhouse. The utility model aims at realizing the technical scheme that the phase-change heat-accumulating greenhouse comprises a sunlight greenhouse, a phase-change heat-accumulating box, a data transfer device, a controller, a fan, a first double-head expansion and shrinkage valve, a second double-head expansion and shrinkage valve, a first stop valve, a second stop valve, an illuminance sensor, a first temperature sensor, a second temperature sensor, a third temperature sensor, a fourth temperature sensor and a fifth temperature sensor; A phase change heat storage box and a fan are arranged in the sunlight greenhouse; The air inlet of the phase change heat storage box is connected with a first port of a first double-head expansion and contraction valve, a second port of the first double-head expansion and contraction valve is connected with an air outlet of the fan through a first stop valve, the air outlet of the phase change heat storage box is connected with a first port of a second double-head expansion and contraction valve, and a second port of the second double-head expansion and contraction valve is connected with a second stop valve; The first temperature sensor is arranged at a second port of the first double-head expansion and contraction valve, the second temperature sensor is arranged at a second port of the second double-head expansion and contraction valve, the third temperature sensor is arranged at the top of the sunlight greenhouse, the fourth temperature sensor is arranged at the bottom of the sunlight greenhouse, and the fifth temperature sensor is arranged in the phase change heat storage box; The data transfer device is respectively connected with the controller, the illuminance sensor, the first temperature sensor, the second temperature sensor, the third temperature sensor, the fourth temperature sensor and the fifth temperature sensor; The controller is respectively connected with the fan, the first stop valve, the second stop valve, the first double-head expansion and contraction valve and the second double-head expansion and contraction valve. Further, the plurality of phase-change heat storage boxes are sequentially communicated to form a group of phase-change heat storage boxes, and in each group of phase-change heat storage boxes, an air inlet of a first phase-change heat storage box is connected with an air outlet of a fan, and an air outlet of the former phase-change heat storage box is connected with an air inlet of a later phase-change heat storage box. Further, the phase-change heat storage box comprises a box body with an opening at the side surface, a corrugated heat absorbing cover for opening or closing the opening surface is arranged on the opening surface of the box body, a liquid inlet, a liquid outlet, an air inlet and an air outle