CN213944274U - Ventilation system capable of preventing odor from overflowing - Google Patents
Ventilation system capable of preventing odor from overflowing Download PDFInfo
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- CN213944274U CN213944274U CN202022277173.1U CN202022277173U CN213944274U CN 213944274 U CN213944274 U CN 213944274U CN 202022277173 U CN202022277173 U CN 202022277173U CN 213944274 U CN213944274 U CN 213944274U
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Abstract
The utility model provides a ventilation system that prevents peculiar smell and spill over. The air exchange system comprises an exhaust pipeline, a fresh air pipeline, two exhaust ports arranged on the closed storeroom, one or two or more fresh air ports and an exhaust fan arranged at each exhaust port, the two exhaust ports are respectively communicated with the exhaust pipeline through exhaust branch pipes, and each exhaust branch pipe is provided with a one-way exhaust valve body; each fresh air port is communicated with a single fresh air port through an air inlet branch pipe, and a one-way air inlet valve body is arranged at each fresh air port; the strong air exhaust switch is arranged on the closed side of the storeroom door frame and is in signal connection with the control ends of the two exhaust fans. The utility model discloses simple structure adopts two low noise fans of airing exhaust regularly uninterrupted duty in turn to through the gaseous safe discharge of the waste gas of full-automatic incessant mode of taking a breath in with airtight space outdoor, reduce gaseous spilling over of peculiar smell when opening airtight space.
Description
Technical Field
The utility model belongs to the field of laboratory ventilation, in particular to a ventilation and air exchange system with a double-channel one-way valve body for preventing peculiar smell from overflowing, which is used for safely exchanging air of a waste hazardous material storeroom (storehouse) in a biological life science laboratory; the ventilation system adopts a full-automatic uninterrupted ventilation mode to safely discharge waste gas outdoors aiming at waste storage and storerooms with scientific research values in biological laboratories and life science laboratories, and other volatile gas storage cabinets, storage storerooms and the like with pungent peculiar smells.
Background
The level of advanced medical technology of medical science is gradually improved at present, and some super-high medical instruments and instruments intervene in the field of human cell gene detection. Many doctors sample living tissues of some uncertain and suspected patients and take out tissues of relevant parts for examination, wherein the tissues of the tissues, organs and the like of some parts of the patients may have pathological tumors or other unknown pathological parts. The deep cell detection scientific analysis is carried out on various pathological organ sections on a human body, so as to help doctors to quickly make accurate scientific judgments. However, the area where the specimen is taken is often only a very small partial area, and most of the remaining residues are contained in a plastic bag, soaked in a preservative formalin solution, and disposed of by a special facility after reaching a certain amount. The deposits can generate a great deal of pungent odor in the closed storage room for a long time, and particularly, when the storage room door is opened, a great deal of pungent gas can be emitted from the door opening, which not only brings great inconvenience to workers, but also can affect the surrounding public environment, and the emission and treatment of the pungent odor currently have great difficulty. The same problems are basically existed in the positions of large storage chambers such as teaching dissection storage chambers, human organ display chambers, halls, toxic and harmful reagent cabinets, teaching dissection storage corpse pools, chemical raw material reagent banks and the like of medical colleges in China.
Disclosure of Invention
The utility model aims at the above technical problem, a binary channels check valve body prevents ventilation system that peculiar smell spills over is provided, and this ventilation system can take a breath to the airtight space of storage article that produces the odor easily and volatilize, adopts full-automatic incessant mode of taking a breath outdoor with waste gas safety discharge to reduce the gaseous spilling over of peculiar smell when opening airtight space.
In order to achieve the technical purpose, the utility model provides a ventilation system that peculiar smell spills over is prevented for install in the airtight storeroom of storing the gaseous object of taking peculiar smell, be equipped with gate, its characterized in that in one side wherein in airtight storeroom: the air exchange system comprises an air exhaust device, a fresh air device and a strong air exhaust switch which are arranged in the closed storage room, wherein the air exhaust device comprises an air exhaust pipeline, two air exhaust ports which are arranged on the closed storage room and an air exhaust fan which is arranged at each air exhaust port; the fresh air device comprises a fresh air pipeline and one or two or more fresh air ports arranged on the closed storage room, each fresh air port is communicated with a single fresh air port through an air inlet branch pipe, and a one-way air inlet valve body is arranged at each fresh air port; the strong exhaust switch is arranged on the closed side of the storeroom door frame and is in signal connection with the control ends of the two exhaust fans, the switch brake mechanism is correspondingly arranged on the closed side of the storeroom door, the strong exhaust switch is in an off state under the action of the switch brake mechanism when the storeroom door is closed, and the strong exhaust switch is in an on state when the storeroom door is opened.
The utility model discloses further technical scheme: the ventilation system further comprises a ventilation control box, double timing control equipment is arranged in the ventilation control box, the signal output end of the strong ventilation switch is connected with the signal input end of the ventilation control box, and the signal output end of the ventilation control box is connected with the control ends of the two exhaust fans respectively.
The utility model discloses better technical scheme: the outlet of the exhaust pipeline is provided with an exhaust outlet insect-proof net, and the inlet of the fresh air pipeline is provided with an air inlet insect-proof net.
The utility model discloses better technical scheme: the unidirectional air exhaust valve body and the unidirectional air inlet valve body respectively comprise an installation base with an air port, a unidirectional valve sheet and an insect prevention net sheet, the unidirectional valve sheet is arranged at the air port of the installation base, one end of the unidirectional valve sheet is hinged with the installation base through a hinge piece, a blade stop piece is arranged at the opening end of the installation base corresponding to the unidirectional valve sheet, and the unidirectional valve sheet is stopped and limited by the blade stop piece when closed; the insect-proof net is arranged on the air inlet side of the one-way valve plate.
The utility model discloses better technical scheme: the fresh air inlet is a round, square or strip-shaped air inlet.
The utility model provides a forced-ventilated control box selectsUsing two-way timer, selecting ventilation volume of exhaust fan (m)3The/h) can be calculated from the actual conditions of the volume of the indoor space and the volatile gases produced by the stored material. Compared with teaching dissection storage chambers, human organ display chambers, dead body pools for teaching dissection storage, chemical raw material reagent libraries and the like in some universities and colleges, large and ultra-large storage and storage places can be further deeply designed according to the principle from the aspects of structure and process. In principle, the number of times of replacement of indoor polluted air (i.e. flow rate m)3H), the volatility of the indoor gas is far greater.
The utility model adopts double-row fans, and the alternative work of the exhaust fans ensures that one fan works and the other fan stands by, thus prolonging the working reliability of the whole system and the exhaust fans; when the door is opened, the double-machine work increases the indoor negative pressure effect, and reduces the possibility of overflow of indoor polluted gas; and the whole exhaust system can not stop working when the exhaust fan is damaged and replaced. The utility model provides an exhaust subassembly, new trend subassembly and one-way exhaust valve carrier all belong to the module subassembly, and it is all also more convenient to change the maintenance.
The utility model has simple structure, adopts two low-noise exhaust fans to work intermittently and alternately at regular time, safely exhausts the waste gas in the closed space outdoors by a full-automatic uninterrupted ventilation mode, and reduces the overflow of the peculiar smell gas when opening the closed space; the utility model discloses can be used to some medical colleges teaching and dissect teaching room, human organ and preserve display room, show hall, poisonous and harmful reagent warehouse, teaching and dissect with storing corpse pond, chemical raw materials reagent storehouse etc. and easily produce the gaseous great storage place of peculiar smell that volatilizees and ventilate, guarantee the gaseous normal discharge of well peculiar smell in above-mentioned storage space, can not cause the pollution to the surrounding environment.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic view of the front structure of the check valve body of the present invention;
FIG. 3 is a cross-sectional view AA' of FIG. 2.
In the figure: 1-airtight storage chamber, 100-fresh air inlet, 101-air outlet, 102-gate, 103-storage chamber door frame, 2-air exhaust pipeline, 200-air exhaust branch pipe, 3-exhaust fan, 4-air outlet insect-proof net, 5-one-way air exhaust valve body, 500-installation base, 501-one-way valve plate, 502-insect-proof net sheet, 503-hinge piece, 504-blade stop piece, 6-fresh air pipeline, 600-air inlet branch pipe, 7-one-way air inlet valve body, 8-strong air exhaust switch, 9-switch brake mechanism, 10-ventilation control box, 11-air inlet insect-proof net.
Detailed Description
The present invention will be further explained with reference to the drawings and examples. Fig. 1 to 3 are drawings of the embodiment, which are drawn in a simplified manner and are only used for clearly and concisely illustrating the purpose of the embodiment of the present invention. The following detailed description of the embodiments of the present invention is presented in the drawings and is not intended to limit the scope of the invention as claimed. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "inner", "outer", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, or orientations or positional relationships that are conventionally placed when the products of the present invention are used, or orientations or positional relationships that are conventionally understood by those skilled in the art, and are merely for convenience of description of the present invention and simplifying the description, but do not indicate or imply that the device or element that is referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be further noted that, unless explicitly stated or limited otherwise, the terms "disposed" and "connected" are to be interpreted broadly, and for example, "connected" may be a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; the connection may be direct or indirect via an intermediate medium, and may be a communication between the two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The ventilation and air-exchange system for preventing odor from overflowing, as shown in fig. 1, is used for being installed in a sealed storage chamber 1 for storing objects with odor, a gate 102 is arranged on one side of the sealed storage chamber 1, the air-exchange system comprises an air exhaust device, a fresh air device, a forced air exhaust switch 8 and a control box 10 which are arranged on the sealed storage chamber 1, the air exhaust device comprises an air exhaust pipeline 2, two air outlets 101 which are arranged on the sealed storage chamber 1, and an air exhaust fan 3 which is arranged at each air outlet 101, the two air outlets 101 are symmetrically arranged on the same side of the sealed storage chamber 1, the two air outlets 101 are respectively communicated with the air exhaust pipeline 2 through air exhaust branch pipes 200, and a one-way air exhaust valve body 5 is arranged on each air exhaust branch pipe 200; the fresh air device comprises a fresh air pipeline 6 and two fresh air ports 100 arranged on the closed storage room 1, the two fresh air ports 100 are symmetrically arranged on the opposite sides of the air outlet, each fresh air port 100 is communicated with a single fresh air port 100 through an air inlet branch pipe 600, and a one-way air inlet valve body 7 is arranged at each fresh air port 100. An air outlet dust cover 4 is arranged at the outlet of the air exhaust pipeline 2, and an air inlet insect-proof net 11 is arranged at the inlet of the fresh air pipeline 6. Fresh air opening 100 is circular, square or rectangular shape wind opening, and the size and the quantity of fresh air opening can be according to the airtight storeroom 1 the area and take a breath the needs set up, satisfy whole airtight storeroom 1 and take a breath.
According to the ventilation and air-exchange system for preventing odor from overflowing provided by the embodiment, a double-timing control device is arranged in the air-exchange control box 10 and is controlled by a PLC controller, as shown in fig. 1, the strong exhaust switch 8 is arranged on the closed side of the door frame 103 of the storage room, the signal output end of the strong exhaust switch 8 is connected with the signal input end of the air-exchange control box 10, and the signal output end of the air-exchange control box 10 is respectively connected with the control ends of the two exhaust fans 3; the switch brake mechanism 9 is correspondingly arranged on the closed side of the storeroom gate 102, the strong exhaust switch 8 is in an off state under the action of the switch brake mechanism 9 when the storeroom gate 102 is in a closed state, the strong exhaust switch 8 is in an open state when the storeroom gate 102 is in an open state, and then the ventilation control box 10 controls the two exhaust fans 3 to be simultaneously opened for strong exhaust.
In the embodiment, as shown in fig. 2 and 3, the one-way exhaust valve body 5 and the one-way intake valve body 7 both include an installation base 500 with an air inlet, a one-way valve sheet 501 and an insect prevention net sheet 502, the one-way valve sheet 501 is arranged at the air inlet of the installation base 500, one end of the one-way valve sheet 501 is hinged to the installation base 500 through a hinge part 503, a blade stop part 504 is arranged at the opening and closing end of the installation base 500 corresponding to the one-way valve sheet 501, and the one-way valve sheet 501 is stopped and limited by the blade stop part 504 when closed; the insect prevention net sheet 502 is arranged on the air inlet side of the one-way valve sheet 501.
When the utility model is in a normal ventilation state, only the ventilation control box 10 needs to be started, the storeroom gate 102 is closed, the strong exhaust switch 8 is in a disconnected state under the collision of the switch brake mechanism 9, one of the two exhaust fans 3 in the exhaust device starts to work under the regular exhaust of the ventilation control box 10, and then circulation is started; because the closed storage chamber 1 belongs to a totally closed environment, the storage chamber is always in a negative pressure state under the action of the exhaust fan 3, the one-way valve sheet 501 can be automatically opened under the action of the exhaust fan 3 by the one-way exhaust valve body 5 and the one-way air inlet valve body 7; outdoor fresh air enters the sealed storage chamber 1 from the air inlet insect-proof net 11, the fresh air pipeline 6 and the left and right fresh air ports 100, is pumped and exhausted into the exhaust pipeline 2 through one exhaust fan 3 which is opened in the exhaust device, and is exhausted through the exhaust port dust screen of the exhaust pipeline 2, and the exhaust fan which is not started to run is in a reverse closing state under the wind pressure reaction force of the started exhaust fan; when the storeroom gate 102 is opened, the strong air exhaust switch 8 is switched on, and the two exhaust fans 3 on the exhaust device are simultaneously opened for strong air exhaust, so that the overflow of air in the storeroom can be prevented or reduced. The two exhaust fans can work alternately, one fan can work and the other fan can stand by, and the working reliability of the whole system and the exhaust fans is prolonged. When the door is opened, the double-machine work increases the indoor negative pressure effect and reduces the possibility of overflow of indoor polluted gas. If one of the exhaust fans is damaged and needs to be replaced, the system can be switched to maintain normal single exhaust operation, and the overflow of indoor polluted air is not influenced.
In the embodiment, the ventilation control box 10 selects a bidirectional timer and the ventilation volume of the exhaust fan (m)3The/h) can be calculated from the actual conditions of the volume of the indoor space and the volatile gases produced by the stored material. Compared with teaching dissection storage chambers, human organ display chambers, dead body pools for teaching dissection storage, chemical raw material reagent libraries and the like in some universities and colleges, large and ultra-large storage and storage places can be further deeply designed according to the principle from the aspects of structure and process. In principle, the number of times of indoor polluted air replacement (i.e. the flow rate m3/h) should be far greater than the volatility of indoor air.
The expansion function is designed according to the control principle and basically can be designed according to the principle of the wind discharging/supplying or bidirectional power wind discharging/supplying mode for large storage and storage places such as teaching and dissection teaching rooms, human organ storage and display rooms, display halls, toxic and harmful reagent warehouses, dead body storage pools for teaching and dissection, chemical raw material reagent warehouses and the like of medical colleges.
The above description is only one embodiment of the present invention, and the description is specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (5)
1. A ventilation system for preventing odor from overflowing is used for being installed in a closed storage room (1) for storing objects with odor, a gate (102) is arranged on one side of the closed storage room (1), and the ventilation system is characterized in that: the ventilation system comprises an exhaust device, a fresh air device and a strong exhaust switch (8) which are arranged in a closed storage chamber (1), wherein the exhaust device comprises an exhaust pipeline (2), two exhaust outlets (101) which are arranged on the closed storage chamber (1) and an exhaust fan (3) which is arranged at each exhaust outlet (101), the two exhaust outlets (101) are respectively communicated with the exhaust pipeline (2) through exhaust branch pipes (200), and a one-way exhaust valve body (5) is arranged on each exhaust branch pipe (200); the fresh air device comprises a fresh air pipeline (6) and one or two or more than two fresh air ports (100) arranged on the closed storage room (1), each fresh air port (100) is communicated with a single fresh air port (100) through an air inlet branch pipe (600), and a one-way air inlet valve body (7) is arranged at each fresh air port (100); the strong exhaust switch (8) is arranged on the closed side of the storeroom door frame (103) and is in signal connection with the control ends of the two exhaust fans (3), the switch brake mechanism (9) is correspondingly arranged on the closed side of the storeroom door (102), the strong exhaust switch (8) is in an off state under the action of the switch brake mechanism (9) when the storeroom door (102) is in a closed state, and the strong exhaust switch (8) is in an on state when the storeroom door (102) is in an open state.
2. A ventilation system for preventing odor from escaping as defined in claim 1, wherein: the ventilation system further comprises a ventilation control box (10), wherein double timing control equipment is arranged in the ventilation control box (10), the signal output end of the strong exhaust switch (8) is connected with the signal input end of the ventilation control box (10), and the signal output end of the ventilation control box (10) is connected with the control ends of the two exhaust fans (3) respectively.
3. A ventilation system for preventing odor from escaping as defined in claim 1 or 2, wherein: an air outlet insect-proof net (4) is arranged at the outlet of the air exhaust pipeline (2), and an air inlet insect-proof net (11) is arranged at the inlet of the fresh air pipeline (6).
4. A ventilation system for preventing odor from escaping as defined in claim 1 or 2, wherein: the unidirectional air exhaust valve body (5) and the unidirectional air inlet valve body (7) respectively comprise an installation base (500) with an air port, a unidirectional valve plate (501) and an insect prevention net piece (502), the unidirectional valve plate (501) is arranged at the air port of the installation base (500), one end of the unidirectional valve plate is hinged with the installation base (500) through a hinge piece (503), a blade stop piece (504) is arranged at the opening and closing end of the installation base (500) corresponding to the unidirectional valve plate (501), and the unidirectional valve plate (501) is stopped and limited by the blade stop piece (504) when closed; the insect prevention net piece (502) is arranged on the air inlet side of the one-way valve plate (501).
5. A ventilation system for preventing odor from escaping as defined in claim 1 or 2, wherein: the fresh air opening (100) is a round, square or strip-shaped air opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022277173.1U CN213944274U (en) | 2020-10-13 | 2020-10-13 | Ventilation system capable of preventing odor from overflowing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022277173.1U CN213944274U (en) | 2020-10-13 | 2020-10-13 | Ventilation system capable of preventing odor from overflowing |
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| CN213944274U true CN213944274U (en) | 2021-08-13 |
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| CN202022277173.1U Active CN213944274U (en) | 2020-10-13 | 2020-10-13 | Ventilation system capable of preventing odor from overflowing |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115011777A (en) * | 2022-04-07 | 2022-09-06 | 烟台隆辉金属制品有限公司 | Shaft part machining equipment and machining process thereof |
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2020
- 2020-10-13 CN CN202022277173.1U patent/CN213944274U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115011777A (en) * | 2022-04-07 | 2022-09-06 | 烟台隆辉金属制品有限公司 | Shaft part machining equipment and machining process thereof |
| CN115011777B (en) * | 2022-04-07 | 2022-12-27 | 烟台隆辉金属制品有限公司 | Shaft part machining equipment and machining process thereof |
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