CN203105267U - Targeted ventilation device for relieving heat stress of cows - Google Patents
Targeted ventilation device for relieving heat stress of cows Download PDFInfo
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- CN203105267U CN203105267U CN 201220747390 CN201220747390U CN203105267U CN 203105267 U CN203105267 U CN 203105267U CN 201220747390 CN201220747390 CN 201220747390 CN 201220747390 U CN201220747390 U CN 201220747390U CN 203105267 U CN203105267 U CN 203105267U
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Abstract
The utility model relates to a targeted ventilation device for relieving heat stress of cows. The targeted ventilation device is characterized by comprising a plurality of support frames which are arranged on each neck cangue in an open type adult milch cow house at intervals, and an independent ventilation pipeline is supported on the top of each support frame together; each ventilation pipeline comprises a three-way pipe arranged in the center of the ventilation pipeline, the air inlet of the three-way pipe is connected with a fan through a round-heaven square-earth reducer pipe; two air supply branch pipes are connected on air outlets in two sides of the three-way pipe respectively, and each air supply branch pipe is composed of a plurality of straight pipes and reducer pipes for connecting adjacent two straight pipes; and the farthest end of the air supply straight pipe is sealed. The diameters of the straight pipes are gradually reduced from a position connected with the three-way pipe to a far end, an air supply hole is formed in each reducer pipe, and the positions of the air supply holes are consistent. A spraying pipe is also supported at the top of each support frame together, and a nozzle is correspondingly arranged in the position of the air supply hole in each reducer pipe. A louver used for regulating wind directions is installed at each air supply hole. The targeted ventilation device can be widely applied to targeted ventilation of animal husbandry and animal cultivation.
Description
Technical field
The utility model relates to a kind of ventilation equipment, particularly about the target ventilation unit of open cowshed cow heat stress relief in a kind of summer.
Background technology
The development of milk industry has become a national livestock breeding, even the sign of whole agricultural development level.In summer, the megathermal climate in the most of area of China can make milk cow produce physiological responses to heat stress, and cow feeding amount and milk yield are reduced significantly, and healthy and fertility is subjected to very big influence, and particularly serious to the influence of high yield cow.Therefore, the summer of milk cow is aeration-cooling most important in the breeding process.For reducing heat stress as far as possible milk cow is produced the loss that causes, should take corresponding technical measures to control the temperature of raising dairy cattle environment.At present, the method for improving the heat stress of milk cow from environmental mainly contains: the environmental temperature of 1, improving sports ground the livestock and poultry cultivation process.The mode that adopts sports ground to set up sunshade reduces the temperature of loafing area by blocking solar radiation.Disclosed Chinese invention patent CN101268760A on September 24 " cooling device for barnyard " in 2008 has adopted the draw curtain system to drive the sunshade net unfolding and close up on the one hand; Shower nozzle evenly is installed in the compound sunshade side on the net that has added absorbent material on the other hand, prevents from that too much moisture from directly dropping on to cause the sport surface mire on the ground, can allow moisture continue evaporation on the net in sunshade simultaneously again, reduces air themperature.This way is mainly used in the reduction of environmental temperature of the sports ground of half-open or open cowshed.2, improve the environmental temperature in the livestock and poultry house in the livestock and poultry cultivation process.Employing is installed ventilating fan, spraying cooling in the livestock and poultry house.But, since the ventilating fan of installing from the ox body away from, can not effectively take away the evaporative heat loss amount.Ejection was the water smoke of falling the umbrella after disclosed Chinese invention patent CN1633843A on July 6th, 2005 " domestic animal micro computer automatic control mist cooling device " made water fogging, and domestic animal is played certain cooling effect.Alleviate the domestic animal heat stress.But the mist cooling of this mode makes that fogdrop diameter is too little, can not penetrate ox hair, does not only reach the skin of ox, has increased air humidity on the contrary, and ventilating fan can not well be taken away the evaporative heat loss amount away from the ox body in addition, has influenced cooling-down effect.
Summary of the invention
At the problems referred to above, the purpose of this utility model provides open cowshed in a kind of summer, at cow feeding or couch the rest period, and target ventilation unit that can cow heat stress relief.
For achieving the above object, the utility model is taked following technical scheme: a kind of target ventilation unit of cow heat stress relief, it is characterized in that: it comprises the some bracing frames that are disposed on interior each the strength cangue of open one-tenth cow house, each support frame as described above top is supported with a ventilation shaft independently jointly, each described ventilation shaft comprises that one is arranged on the three-way pipe at its center, the air inlet of described three-way pipe connects a blower fan by the reducer pipe of a hemispherical dome, connects a blowpipe respectively on the both sides air outlet of described three-way pipe; Each described blowpipe is made up of with the reducer pipe that is connected adjacent two straight tubes some straight tubes, and the distal-most end of described air-supply straight tube is shut; The diameter of described straight tube is respectively arranged with a wind pushing hole from reducing step by step to far-end with described three-way pipe junction on each described reducer pipe, and each described wind pushing hole position consistency is set.
Each support frame as described above top also is supported with a shower jointly, with the corresponding nozzle that is provided with in position of described wind pushing hole on each described reducer pipe; And described shower is above the described air supply duct between 10～50mm, and the caliber of described spray piping is 15～50mm, and the air-supply air-flow is with to spray jet direction consistent.
One group of blinds that is used for regulating air supply direction is installed at described wind pushing hole place on each described reducer pipe respectively.
Described blower fan adopts a kind of in the blower fan of centrifugal blower or other pattern, and its design air flow can design according to different target ventilating systems with lift and select for use.
Strength cangue quantity in the described open one-tenth cow house is four groups, is to be relatively set into two rows in twos, and each described strength cangue top independently arranges a ventilation shaft respectively, and the quantity of the reducer pipe on each described blowpipe is 13.
The length of each described reducing pipeline section is 0.3 meter, and the length of each described straight tube is 1.3 meters, and the distance of shaft centers ground level of described blowpipe is 2 meters.
Each described reducer pipe two ends caliber adopts static pressure to regain method and calculates.
The utility model is owing to take above technical scheme, it has the following advantages: 1, the utility model each in open one-tenth cow house is organized a target ventilation shaft independently is set above strength cangue, each ventilation shaft is blown by centrifugal fan, the diameter of process straight tube is from reducing balanced ventilation with the three-way pipe junction step by step to far-end, and at each reducer pipe one wind pushing hole is set, therefore the milk cow that is positioned at each position in the cangue can both be enjoyed comfortable air-supply environment with strength.2, the utility model is concentrated milk cow and is searched for food or couch the period owing to the target ventilation shaft is installed on the strength cangue or bed of milk cow, can directly blow by wind pushing hole at the neck position of milk cow, therefore cow heat stress relief reaction effectively.3, the utility model is owing to be arranged with shower in parallel above ventilation shaft, simultaneously that the wind pushing hole of reducer pipe on the nozzle on the shower and position and the ventilation shaft is corresponding, and the air-supply air-flow of wind pushing hole is consistent with the nozzle of shower spray jet direction, can make target air-flow and the batt that the spray water droplet penetrates the ox body arrive skin surface, therefore can bring into play the target air-supply effectively and cooperate to reach the good cooling effect with spray.4, therefore the utility model makes the target air-flow make the milk cow cooling more comfortable under the water droplet of shower cooperates by blinds owing at each wind pushing hole place the blinds that can regulate air supply direction is installed.The utility model can be widely used among livestock breeding and the ventilation of animal-breeding target.
Description of drawings
Fig. 1 is the utility model schematic layout pattern
Fig. 2 is the utility model apparatus structure schematic diagram
Fig. 3 is the utility model blowpipe structural representation
Fig. 4 is that the air-supply of the utility model blowpipe flows to schematic diagram
Fig. 5 is that the utility model uses view
Fig. 6 is the use view that the utility model is provided with shower
Fig. 7 is that the utility model arranges the blinds schematic diagram at the air vent place
Embodiment
Below in conjunction with drawings and Examples the utility model is described in detail.
As shown in Figure 1 and Figure 2, the utility model comprises the some bracing frames 2 that are disposed on interior each the strength cangue 1 of open one-tenth cow house, be supported with a ventilation shaft 3 independently jointly at each bracing frame 2 top, each ventilation shaft 3 comprises that one is arranged on the three-way pipe 4 at its center, connect a blower fan 6 at the air inlet of three-way pipe 4 reducer pipe 5 by a hemispherical dome, connect a blowpipe 7 on the both sides air outlet of three-way pipe 4 respectively; Each blowpipe 7 is formed (as shown in Figure 3) by some straight tubes 8 with the reducer pipe 9 that is connected adjacent two straight tubes 8, and the distal-most end of air-supply straight tube 7 is shut.The diameter of straight tube 8 reduces to far-end step by step from the junction with three-way pipe 4, is respectively arranged with a wind pushing hole 10 on each reducer pipe 9, and each wind pushing hole 10 position consistency is set, each wind pushing hole 10 can ventilate for two milk cow provide target.
In above-described embodiment, the 1 group of number of strength cangue that arranges in the open one-tenth cow house can be arranged according to the size in space, such as: strength cangue 1 quantity in the open one-tenth cow house is four groups (as shown in Figure 1), be and be relatively set into two rows in twos, each strength cangue 1 top independently arranges a ventilation shaft 3 respectively, and the quantity of the reducer pipe 9 on each side blowpipe 7 is 13.Each described reducer pipe 9 two ends caliber can adopt the static pressure of prior art to regain method and calculate.As shown in Figure 4, so-called static pressure regains method, is exactly by changing the conduit section size, reduce flow velocity, overcome the resistance of straight tube 8, keeping static pressure in the desired straight tube 8.When the utility model employing air quantity is 16640m
3/ h, rated lift are the centrifugal blower of 221Pa during as blower fan 6, and static pressure can be regained coefficient settings is 0.75, discharge coefficient μ=0.6 of wind pushing hole 10 aperture sections, and the air output of drafting each wind pushing hole 10 aperture is 640m
3/ h, then by calculating the diameter dimension (as shown in Figure 3) that can draw each reducer pipe 9: D1=0.556m, D2=0.552m, D3=0.545m, D4=0.538m, D5=0.525m, D6=0.508m, D7=0.487m, D8=0.463m, D9=0.433m, D10=0.396m, D11=0.351m, D12=0.295m, D13=0.219m.
In above-described embodiment, as Fig. 5, shown in Figure 6, the utility model carry out for milk cow target aeration-cooling in, in order to reach cooling-down effect better, a shower 11 that is supported on the bracing frame 2 can set up above each ventilation shaft 3, shower 11 is provided with some nozzles 12 corresponding with wind pushing hole 10 positions of ventilation shaft 3, and the air-supply air-flow of wind pushing hole 10 is consistent with nozzle 12 spray jet directions, the water droplet that sprays of the air-flow sent of wind pushing hole 10 and nozzle 12 cooperates like this, the batt that can penetrate the ox surface of milk cow arrives skin surface, effectively take away the evaporative heat loss amount at milk cow neck position, spray back rapidly, make cooling-down effect better.
In the various embodiments described above, for each wind pushing hole 10 air-supply air-flow can be aimed at milk cow neck position effectively, one group of blinds 13(that can regulate air supply direction can wind pushing hole 10 places on each reducer pipe 9 be installed as shown in Figure 7 respectively), like this, can regulate by blinds 13 from the airflow direction of wind pushing hole 10 targets ejection, make its injection direction more accurate, also make milk cow sensation air-flow more comfortable.
In the various embodiments described above, the blower fan that the utility model adopts is the blower fan that centrifugal blower also can adopt other pattern, and its design air flow can design according to different target ventilating systems with lift and select for use.
In above-described embodiment, the length of each reducer pipe 9 can be set to 0.3 meter in the ventilation shaft 3, and the length of each straight tube 8 can be set to 1.3 meters, and the distance of shaft centers ground level of blowpipe 7 can be set to 2 meters.It is between 10～50mm that shower 11 and ventilation shaft 3 differences in height arrange scope, and shower 11 is 15～50mm according to the water consumption design caliber of spray system.
The various embodiments described above only are used for explanation the utility model; wherein the structure of each parts, connected mode etc. all can change to some extent; such as: the quantity that reducer pipe 9, straight tube 8, strength cangue 1 arrange and size etc. can design according to breed quantity and the place situation of cowshed; every equivalents and improvement of carrying out on the basis of technical solutions of the utility model all should do not got rid of outside protection domain of the present utility model.
Claims (9)
1. the target ventilation unit of a cow heat stress relief, it is characterized in that: it comprises the some bracing frames that are disposed on interior each the strength cangue of open one-tenth cow house, each support frame as described above top is supported with a ventilation shaft independently jointly, each described ventilation shaft comprises that one is arranged on the three-way pipe at its center, the air inlet of described three-way pipe connects a blower fan by the reducer pipe of a hemispherical dome, connects a blowpipe respectively on the both sides air outlet of described three-way pipe; Each described blowpipe is made up of with the reducer pipe that is connected adjacent two straight tubes some straight tubes, and the distal-most end of described air-supply straight tube is shut; The diameter of described straight tube is respectively arranged with a wind pushing hole from reducing step by step to far-end with described three-way pipe junction on each described reducer pipe, and each described wind pushing hole position consistency is set.
2. the target ventilation unit of a kind of cow heat stress relief as claimed in claim 1, it is characterized in that: each support frame as described above top also is supported with a shower jointly, with the corresponding nozzle that is provided with in position of described wind pushing hole on each described reducer pipe; And described shower is above the described air supply duct between 10～50mm, and the caliber of described spray piping is 15～50mm, and the air-supply air-flow is with to spray jet direction consistent.
3. the target ventilation unit of a kind of cow heat stress relief as claimed in claim 1 is characterized in that: one group of blinds that is used for regulating air supply direction is installed at the described wind pushing hole place on each described reducer pipe respectively.
4. the target ventilation unit of a kind of cow heat stress relief as claimed in claim 2 is characterized in that: one group of blinds that is used for regulating air supply direction is installed at the described wind pushing hole place on each described reducer pipe respectively.
5. as the target ventilation unit of claim 1 or 2 or 3 or 4 described a kind of cow heat stress reliefs, it is characterized in that: described blower fan adopts a kind of in the blower fan of centrifugal blower or other pattern, and its design air flow designs according to different target ventilating systems with lift and selects for use.
6. as the target ventilation unit of claim 1 or 2 or 3 or 4 described a kind of cow heat stress reliefs, it is characterized in that: the strength cangue quantity in the described open one-tenth cow house is four groups, be and be relatively set into two rows in twos, each described strength cangue top independently arranges a ventilation shaft respectively, and the quantity of the reducer pipe on each described blowpipe is 13.
7. the target ventilation unit of a kind of cow heat stress relief as claimed in claim 5, it is characterized in that: the strength cangue quantity in the described open one-tenth cow house is four groups, be and be relatively set into two rows in twos, each described strength cangue top independently arranges a ventilation shaft respectively, and the quantity of the reducer pipe on each described blowpipe is 13.
8. the target ventilation unit of a kind of cow heat stress relief as claimed in claim 6, it is characterized in that: the length of each described reducing pipeline section is 0.3 meter, and the length of each described straight tube is 1.3 meters, and the distance of shaft centers ground level of described blowpipe is 2 meters.
9. the target ventilation unit of a kind of cow heat stress relief as claimed in claim 6 is characterized in that: each described reducer pipe two ends caliber adopts static pressure to regain method and calculates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220747390 CN203105267U (en) | 2012-12-31 | 2012-12-31 | Targeted ventilation device for relieving heat stress of cows |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220747390 CN203105267U (en) | 2012-12-31 | 2012-12-31 | Targeted ventilation device for relieving heat stress of cows |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203105267U true CN203105267U (en) | 2013-08-07 |
Family
ID=48885663
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220747390 Withdrawn - After Issue CN203105267U (en) | 2012-12-31 | 2012-12-31 | Targeted ventilation device for relieving heat stress of cows |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203105267U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103004612A (en) * | 2012-12-31 | 2013-04-03 | 中国农业大学 | Targeted ventilation device for relieving heat stress of cows |
| CN115443909A (en) * | 2022-09-05 | 2022-12-09 | 中国农业大学 | Cattle farm cooling device and use method thereof |
-
2012
- 2012-12-31 CN CN 201220747390 patent/CN203105267U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103004612A (en) * | 2012-12-31 | 2013-04-03 | 中国农业大学 | Targeted ventilation device for relieving heat stress of cows |
| CN115443909A (en) * | 2022-09-05 | 2022-12-09 | 中国农业大学 | Cattle farm cooling device and use method thereof |
| CN115443909B (en) * | 2022-09-05 | 2023-08-08 | 中国农业大学 | Cattle farm cooling device and application method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130807 Effective date of abandoning: 20140416 |
|
| RGAV | Abandon patent right to avoid regrant |