Seedling shed automatic warming equipment for tobacco planting

Abstract

The utility model discloses seedling shed automatic warming equipment for tobacco planting. The seedling shed automatic warming equipment comprises an air energy heat pump water heater, a hot water inlet pipe, a pressure pump, a warming pipe network, a hot water outlet pipe, a control cabinet and a first temperature sensor, the water outlet end of the air energy heat pump water heater is communicated with one end of a hot water inlet pipe; the other end of the hot water inlet pipe penetrates into the seedling shed main body and is communicated with one end of a temperature increasing pipe network in the seedling raising pond; the other end of the warming pipe network is communicated with the water inlet end of the air energy heat pump water heater through a hot water outlet pipe penetrating into the seedling shed main body; the seedling raising device has the advantages that by arranging the first temperature sensor, when the temperature of seedling raising liquid is lower than 20 DEG C, the first temperature sensor sends an electric signal to the control cabinet, the control cabinet starts the air energy heat pump water heater and the pressure pump to enable hot water to be introduced into the temperature increasing pipe network, the temperature of the seedling raising liquid is increased, and the temperature of the seedling raising liquid ranges from 20 DEG C to 25 DEG C; the growth of tobacco seedlings is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to tobacco seedling technology field especially relates to a seedling shed automatic heating equipment for tobacco planting. BACKGROUND

[0002] Tobacco seedling mainly adopts two ways of floating seedling and tray false transplanting seedling. Floating seedling is carried out by floating the seedling tray in the seedling pool water containing nutrient components, which can improve the uniformity and production efficiency of tobacco seedlings, and reduce the occurrence of diseases and pests. The germination of tobacco seeds and the growth of seedlings need to adapt to the temperature, and in most tobacco producing areas in China, the air temperature is low or the air temperature fluctuates greatly during seedling period. The low temperature weather such as late spring cold will cause a series of physiological changes of tobacco seedlings, which has adverse effects on the growth of tobacco seedlings, causes the quality of tobacco to decrease, and even leads to early flowering of tobacco plants, and further makes the quality of tobacco seedlings low and the survival rate in later period decrease. SUMMARY

[0003] The utility model wants to solve the technical problem of providing a seedling shed automatic heating equipment for tobacco planting.

[0004] In order to solve the above technical problem, the technical scheme of the utility model is:

[0005] A seedling shed automatic heating equipment for tobacco planting, comprising an air energy heat pump water heater, a hot water inlet pipe, a pressure pump, a heating pipe network, a hot water outlet pipe, a control cabinet and a first temperature sensor, wherein the water outlet end of the air energy heat pump water heater is in communication with one end of the hot water inlet pipe; the other end of the hot water inlet pipe penetrates into the seedling shed main body and is in communication with one end of the heating pipe network located in the seedling pool; the other end of the heating pipe network is in communication with the water inlet end of the air energy heat pump water heater through the hot water outlet pipe penetrating into the seedling shed main body; the hot water inlet pipe is provided with the pressure pump; the first temperature sensor is fixed on the bracket above the seedling pool and the sensing end is arranged to extend into the seedling liquid in the seedling pool; the control cabinet is electrically connected with the heating pipe network, the pressure pump, the air energy heat pump water heater and the first temperature sensor respectively.

[0006] Further, a hot air blower is fixed on the upper part of the outer side of the seedling shed main body through a support frame; the hot air blower is in communication with a plurality of hot air pipes located on the upper end of the inner side of the seedling shed main body; a second temperature sensor is detachably connected to the inner side wall of the seedling shed main body; the second temperature sensor is electrically connected with the control cabinet.

[0007] Further, a plurality of holes for air outlet are formed on each hot air pipe; the holes are arranged in two symmetrical rows on the hot air pipe and the openings are inclined downward.

[0008] Further, the temperature increasing pipe network comprises a first branch pipe, a first collecting pipe, temperature increasing branch pipe fittings and electromagnetic valves; a plurality of groups of temperature increasing branch pipe fittings are communicated between the first branch pipe and the first collecting pipe; an electromagnetic valve is arranged on a pipeline at a water inlet end of the temperature increasing branch pipe fitting communicated with the first branch pipe.

[0009] Further, the temperature increasing branch pipe fitting comprises a second branch pipe, a second collecting pipe and first pipelines; three first pipelines are communicated in parallel between the second branch pipe and the second collecting pipe.

[0010] Further, the hot water inlet pipe and the hot water outlet pipe located outside the seedling shed main body are both coated with a polyurethane heat preservation layer.

[0011] Further, the temperature increasing pipe network is made of borosilicate glass.

[0012] The utility model discloses beneficial effects:

[0013] (1) through setting up first temperature sensor, when the seedling liquid temperature is lower than 20 DEG C, first temperature sensor sends electric signal to control cabinet, and control cabinet starts air energy heat pump water heater and pressure pump and makes temperature increasing pipe network pass in hot water, improves the temperature of seedling liquid, reaches 25 DEG C and stops air energy heat pump water heater and pressure pump, and the temperature of seedling liquid is lower than 20 DEG C and works again, and the temperature of seedling liquid is in 20 DEG C ~ 25 DEG C, is favorable to the growth of tobacco seedling;

[0014] (2) through the second temperature sensor detection seedling shed air temperature, is lower than 10 DEG C, and control cabinet controls the working of hot -blast fan, and the hot blast in the fan can effectively improve the air temperature of seedling shed, makes the temperature in seedling shed interior 10 DEG C ~ 15 DEG C, is suitable for the growth of tobacco seedling, when the temperature reaches 15 DEG C, and control cabinet closes after receiving the second temperature sensor signal, in favor of tobacco seedling growth simultaneously can also save energy. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 it is the structure schematic view of the utility model;

[0016] Figure 2 it is Figure 1 the enlarged view of A in middle;

[0017] Figure 3 it is the cross section view of hot -blast pipe;

[0018] Figure 4 it is the structure schematic view of temperature increasing pipe network.

[0019] in the drawing,

[0020] 1-air energy heat pump water heater, 2-hot water inlet pipe, 3-pressurizing pump, 4-warming pipe network, 5-hot water outlet pipe, 6-control cabinet, 7-bracket, 8-first temperature sensor, 9-hot air blower, 10-hot air pipe, 11-second temperature sensor, 12-mushroom shed main body, 13-nursery pond, 14-supporting frame, 15-nursery tray;

[0021] 31-heat preservation layer, 41-first shunt pipe, 42-first manifold pipe, 43-warming sub-pipe, 44-solenoid valve, 101-hole, 431-second shunt pipe, 432-second manifold pipe, 433-first pipeline. DETAILED DESCRIPTION

[0022] The specific embodiments of the utility model will be further described below with reference to the drawings. It should be noted that the description of these embodiments is used to help understand the utility model, but does not constitute a limitation on the utility model. In addition, the technical features involved in each embodiment of the utility model described below can be combined with each other as long as they do not conflict with each other.

[0023] Referring to Figures 1-4 As shown in FIG. 1, a kind of automatic warming equipment for mushroom shed of tobacco planting includes air energy heat pump water heater 1, hot water inlet pipe 2, pressurizing pump 3, warming pipe network 4, hot water outlet pipe 5, control cabinet 6, first temperature sensor 8;Air energy heat pump water heater 1 outlet end is communicated with one end of hot water inlet pipe 2;Hot water inlet pipe 2 other end is worn in mushroom shed main body 12 and is communicated with the warming pipe network 4 one end in nursery pond 13;Warming pipe network 4 other end is communicated with the water inlet end of air energy heat pump water heater 1 by hot water outlet pipe 5 worn in mushroom shed main body 12;Hot water inlet pipe 2 is equipped with pressurizing pump 3;First temperature sensor 8 is fixed on the bracket 7 above nursery pond 13 and sensing end is inserted into the nursery liquid of nursery pond 13 setting;Control cabinet 6 is respectively electrically connected with warming pipe network 4, pressurizing pump 3, air energy heat pump water heater 1 and first temperature sensor 8.

[0024] It should be noted that the air energy heat pump water heater 1 can provide stable hot water for the seedling shed, and the model can be reasonably selected according to the size of the seedling shed, and those skilled in the art can fully understand it; the hot water inlet pipe 2 and the hot water outlet pipe 5 can ensure the outflow and inflow of hot water; the pressure pump 3 stably ensures the pressure of the hot water supply; the temperature increasing pipe network 4 is arranged in the seedling pool 13, which is beneficial to the growth of tobacco seedlings when the temperature of the seedling liquid is 20-25℃; the control cabinet 6 can effectively control the first temperature sensor 8 and the air energy heat pump water heater 1, which is the prior art, and those skilled in the art can select and use it according to the reasonable situation; the support 7 can conveniently extend the first temperature sensor 8 into the seedling liquid to measure the temperature, wherein the first temperature sensor 8 in the present application selects a special water temperature meter model QAE1612.010, and those skilled in the art can also install it according to the purchase situation; the normal growth of tobacco seedlings in the seedling tray 15 is further ensured after the temperature of the seedling liquid is increased.

[0025] Further, the hot air machine 9 is fixed on the upper part of the outside of the seedling shed main body 12 through the support frame 14; the hot air machine 9 is communicated with a plurality of hot air pipes 10 located at the upper end of the inside of the seedling shed main body 12; the second temperature sensor 11 is detachably connected to the inner side wall of the seedling shed main body 12; the second temperature sensor 11 is electrically connected with the control cabinet 6. The hot air machine 9 can send signals to the control cabinet 6 through the second temperature sensor 11 when the temperature inside the seedling shed is lower than 10℃, and the hot air in the hot air machine 9 can effectively increase the air temperature of the seedling shed, so that the temperature inside the seedling shed is between 10-15℃, and when the temperature reaches 15℃, the control cabinet 6 is closed after receiving the signal of the second temperature sensor 11, which is beneficial to the growth of tobacco seedlings and can also save energy; the model of the second temperature sensor 11 selected in the present application is a sensor of TH11-S, and those skilled in the art can also select it according to the actual situation.

[0026] Further, in order to facilitate the dispersion of hot air to the whole seedling shed space, a plurality of holes 101 for air outlet are formed on each hot air pipe 10; the holes 101 are arranged in two symmetrical rows on the hot air pipe 10 and the openings are inclined downward. The hot air pipe 10 in the present application is provided with 10 pipes to adapt to the hot air machine 9.

[0027] Further, the temperature increasing pipe network 4 includes a first shunt pipe 41, a first flow pipe 42, a temperature increasing branch pipe 43, and an electromagnetic valve 44; a plurality of groups of temperature increasing branch pipes 43 are communicated between the first shunt pipe 41 and the first flow pipe 42; the pipeline at the water inlet end of the temperature increasing branch pipe 43 communicated with the first shunt pipe 41 is provided with an electromagnetic valve 44. By controlling the electromagnetic valve 44 through the control cabinet 6, the temperature of the seedling liquid at each group of temperature branch pipes 43 can be accurately controlled, and when the temperature of one group is lower than 20℃, the electromagnetic valve 44 at this position can be opened through the control cabinet 6 to increase the temperature of the seedling liquid, thereby effectively saving energy consumption.

[0028] Further, in order to facilitate the temperature of the seedling liquid to promote each place, the heating branch pipe 43 includes a second branch pipe 431, a second bus pipe 432, and a first pipe 433; the second branch pipe 431 and the second bus pipe 432 are communicated by three first pipes 433 in parallel.

[0029] Further, in order to prevent the heat loss of the hot water inlet pipe 2 and the hot water outlet pipe 5 outside the seedling shed main body 12, the hot water inlet pipe 2 and the hot water outlet pipe 5 outside the seedling shed main body 12 are coated with a polyurethane insulation layer 31. The heating pipe network 4 is made of borosilicate glass, which can effectively transmit heat to the seedling liquid.

[0030] The working principle of the utility model is as follows:

[0031] When the temperature of the seedling liquid is lower than 20 DEG C, the first temperature sensor 8 sends an electric signal to the control cabinet 6, the control cabinet 6 starts the air energy heat pump water heater 1 and the pressure pump 3 to make the heating pipe network 4 pass into hot water, improves the temperature of the seedling liquid, and stops the air energy heat pump water heater 1 and the pressure pump 3 when the temperature reaches 25 DEG C, and the seedling liquid temperature is lower than 20 DEG C to work again, and the temperature of the seedling liquid is at 20 DEG C to 25 DEG C, which is beneficial to the growth of tobacco seedlings; the second temperature sensor 11 detects the seedling shed air temperature, and when the temperature is lower than 10 DEG C, the control cabinet 6 controls the hot air blower 9 to work, and the hot air in the fan 9 can effectively improve the air temperature of the seedling shed, so that the temperature in the seedling shed is between 10 DEG C and 15 DEG C, which is suitable for the growth of tobacco seedlings, and when the temperature reaches 15 DEG C, the control cabinet 6 is closed after receiving the signal of the second temperature sensor 11, which is beneficial to the growth of tobacco seedlings and can save energy.

[0032] The embodiments of the utility model are described in detail in combination with the drawings, but the utility model is not limited to the described embodiments. For those skilled in the art, various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the utility model, and still fall within the protection scope of the utility model.

Claims

1. A device for automatic heating of a tobacco seedling house, characterized in that: The utility model provides an air energy heat pump water heater (1), hot water inlet pipe (2), pressurizing pump (3), temperature increasing pipe network (4), hot water outlet pipe (5), control cabinet (6), first temperature sensor (8), the water outlet end of air energy heat pump water heater (1) communicates with one end of hot water inlet pipe (2), the other end of hot water inlet pipe (2) is worn into seedling shed main part (12) and communicates with one end of temperature increasing pipe network (4) in seedling pool (13), the other end of temperature increasing pipe network (4) is communicated with the water inlet end of air energy heat pump water heater (1) through hot water outlet pipe (5) worn into seedling shed main part (12), be equipped with pressurizing pump (3) on hot water inlet pipe (2), first temperature sensor (8) is fixed on the support (7) above seedling pool (13) and the sensing end is set in the seedling liquid of seedling pool (13), control cabinet (6) is electrically connected with temperature increasing pipe network (4), pressurizing pump (3), air energy heat pump water heater (1) and first temperature sensor (8) respectively.

2. The automatic warming device for tobacco seedling greenhouse according to claim 1, characterized in that: The hot air machine (9) is communicated with a plurality of hot air pipes (10) at the upper end of the inside of the seedling shed main part (12), and the second temperature sensor (11) is detachably connected to the inner wall of the seedling shed main part (12).

3. The automatic warming device for tobacco seedling greenhouse according to claim 2, characterized in that: A plurality of holes (101) for air outlet are formed on each of the hot air pipes (10), and the holes (101) are arranged in two symmetrical rows on the hot air pipes (10) and are obliquely downwardly opened.

4. The automatic warming device for tobacco seedling greenhouse according to claim 1, characterized in that: The temperature increasing pipe network (4) comprises a first shunt pipe (41), a first flow pipe (42), temperature increasing sub-pipe components (43) and electromagnetic valves (44), a plurality of groups of temperature increasing sub-pipe components (43) are communicated between the first shunt pipe (41) and the first flow pipe (42), and the electromagnetic valves (44) are arranged on the pipelines at the water inlet ends of the temperature increasing sub-pipe components (43) communicated with the first shunt pipe (41).

5. The automatic warming device for tobacco seedling greenhouse according to claim 4, characterized in that: The temperature increasing sub-pipe components (43) comprise a second shunt pipe (431), a second flow pipe (432) and three first pipelines (433) communicated in parallel between the second shunt pipe (431) and the second flow pipe (432).

6. The automatic warming device for tobacco seedling greenhouse according to claim 1, characterized in that: The hot water inlet pipe (2) and the hot water outlet pipe (5) outside the seedling shed main part (12) are covered with polyurethane heat preservation layers (31).

7. The automatic heating device for tobacco seedling greenhouse according to any one of claims 1-6, characterized in that: The temperature increasing pipe network (4) is made of borosilicate glass.

Images