CN111779848B - Pressure relief device and vehicle with same - Google Patents
Pressure relief device and vehicle with same Download PDFInfo
- Publication number
- CN111779848B CN111779848B CN202010673770.8A CN202010673770A CN111779848B CN 111779848 B CN111779848 B CN 111779848B CN 202010673770 A CN202010673770 A CN 202010673770A CN 111779848 B CN111779848 B CN 111779848B
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- valve plate
- vehicle
- air
- state
- pressure relief
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
- F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
- F16K1/22—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
- F16K1/221—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves specially adapted operating means therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/24—Devices purely for ventilating or where the heating or cooling is irrelevant
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K24/00—Devices, e.g. valves, for venting or aerating enclosures
- F16K24/04—Devices, e.g. valves, for venting or aerating enclosures for venting only
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
- F16K31/041—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor for rotating valves
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Safety Valves (AREA)
Abstract
The invention provides a pressure relief device and a vehicle with the same, wherein the pressure relief device comprises: the valve body is provided with a pressure relief hole; the valve plate is movably arranged on the valve body; the driving structure is connected with the valve plate to drive the valve plate to move; when the valve plate is in the first state, the valve plate closes the pressure relief hole; when the valve plate is in the second state, the valve plate opens the pressure relief hole; the driving structure controls the valve plate to switch between a first state and a second state according to air parameters in the vehicle; the air parameter includes at least one of an oxygen content, a carbon dioxide content, a pressure, a temperature, or a humidity of air in the vehicle. According to the pressure relief device, the driving structure can control the valve plate to be switched between closing and opening according to air parameters in the vehicle, the valve plate is not easy to deform to generate wrinkles and is tightly sealed, the pressure relief hole can be opened in advance to form an air passage inside and outside the vehicle, sudden rising fluctuation of air pressure generated when the vehicle door is closed is avoided, discomfort of eardrums of passengers is avoided, the vehicle sealing effect is good, and unexpected leakage is not easy to generate.
Description
Technical Field
The invention relates to the field of vehicles, in particular to a pressure relief device and a vehicle with the same.
Background
When the vehicle runs or an air conditioner blower is started, the air pressure in the vehicle is slightly higher than the external atmospheric pressure, and when the air pressure in the vehicle is higher than a certain threshold value, the air needs to be exhausted and decompressed; the passive exhaust valve is driven by air pressure to open and release pressure, air in the automobile is compressed because the exhaust valve is not opened in the closing movement process of the automobile door, pressure fluctuation is transmitted to the exhaust valve from the automobile door through a passenger compartment, and discomfort of eardrums of passengers in the automobile is easily caused in the process. At present, passive form discharge valve that vehicle used, generally adopt gravity type rubber valve block structure, when being greater than the gravity of rubber valve block through the pressure that atmospheric pressure produced on the rubber block, the rubber valve block is opened and is carried out the pressure release, after the pressure is released, the rubber block resumes the laminating and seals on the gas vent, the yielding fold that produces of rubber valve block, the laminating is not good, it is tight not sealed, the rubber valve block is opened passively, can not beat in advance and form the inside and outside air passage of car, easily produce atmospheric pressure sudden rise when closing the door undulant, lead to passenger's eardrum uncomfortable, the vehicle seal effect is not good, easily produce unexpected leakage.
Disclosure of Invention
In view of this, the invention provides a pressure relief device and a vehicle with the same.
In order to solve the technical problems, the invention adopts the following technical scheme:
according to an embodiment of the first aspect of the invention, the pressure relief device comprises:
the valve body is provided with a pressure relief hole;
the valve plate is movably arranged on the valve body;
the driving structure is connected with the valve plate to drive the valve plate to move;
the valve plate can be switched between a first state and a second state, and when the valve plate is in the first state, the valve plate closes the pressure relief hole; when the valve plate is in the second state, the valve plate opens the pressure relief hole;
the driving structure controls the valve plate to be switched between the first state and the second state according to air parameters in the vehicle;
the air parameter includes at least one of an oxygen content, a carbon dioxide content, a pressure, a temperature, or a humidity of air in the vehicle.
Further, the driving structure is used for controlling the valve plate to be in the second state when the vehicle door is opened.
Further, the driving structure is used for controlling the valve plate to be in the first state when the vehicle door is closed and the air parameter meets a preset condition.
Further, the driving structure is used for controlling the valve plate to be in the second state when the vehicle door is closed and the pressure of the air is greater than the preset pressure.
Further, the driving structure is used for controlling the valve plate to be in the second state when the vehicle door is closed and the oxygen content of the air is smaller than a first preset value; and/or
The driving structure is used for controlling the valve plate to be in the second state when the vehicle door is closed and the carbon dioxide content of the air is larger than a second preset value.
Further, the driving structure is used for controlling the valve plate to be in the first state when the vehicle door is closed and the oxygen content of the air is greater than a third preset value; and/or
The driving structure is used for controlling the valve plate to be in the first state when the vehicle door is closed and the carbon dioxide content of the air is smaller than a fourth preset value.
Further, the driving structure is used for controlling the valve plate to be in the first state when the vehicle is flamed out.
Further, the driving structure includes:
the air parameter detection device comprises a driving motor and a controller, wherein the driving motor is connected with the valve plate, the controller is connected with the driving motor, the controller is connected with a detector, and the detector is used for detecting air parameters in the vehicle;
the controller controls the driving motor to drive the valve plate to switch between the first state and the second state according to the air parameter.
A vehicle according to an embodiment of the second aspect of the invention includes the pressure relief device of the above-described embodiment.
The technical scheme of the invention has the following beneficial effects:
according to the pressure relief device provided by the embodiment of the invention, the valve body is provided with the pressure relief hole, the valve plate is movably arranged on the valve body, and the driving structure is connected with the valve plate to drive the valve plate to move; the valve plate can be switched between a first state and a second state, and when the valve plate is in the first state, the valve plate closes the pressure relief hole; when the valve plate is in the second state, the valve plate opens the pressure relief hole; the driving structure controls the valve plate to be switched between the first state and the second state according to air parameters in the vehicle, and the air parameters comprise at least one of oxygen content, carbon dioxide content, pressure, temperature or humidity of air in the vehicle. According to the pressure relief device, the driving structure can control the valve plate to be switched between closing and opening according to air parameters in the vehicle, the air parameters comprise at least one of oxygen content, carbon dioxide content, pressure, temperature or humidity of air in the vehicle, the valve plate is not easy to deform to generate wrinkles and is tightly sealed, the pressure relief hole can be opened in advance to form an air passage inside and outside the vehicle, sudden rising fluctuation of air pressure generated when the vehicle door is closed is avoided, discomfort of eardrums of passengers is avoided, the sealing effect of the vehicle is good, and unexpected leakage is not easy to generate.
Drawings
FIG. 1 is a schematic diagram of a pressure relief device according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a pressure relief device according to an embodiment of the present invention;
FIG. 3 is a schematic view of the valve plate closing the pressure relief hole;
fig. 4 is a schematic view of the valve plate opening the relief hole.
Reference numerals
A valve body 10; a pressure relief hole 11;
a valve plate 20;
a drive structure 30.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the drawings of the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the invention, are within the scope of the invention.
A pressure relief device according to an embodiment of the invention is described in detail below.
As shown in fig. 1 to 4, a pressure relief device according to an embodiment of the present invention includes: the valve comprises a valve body 10, a valve plate 20 and a driving structure 30, wherein the valve body 10 is provided with a pressure relief hole 11, the valve plate 20 can be a hard material, the valve plate 20 can be movably arranged on the valve body 10, the driving structure 30 is connected with the valve plate 20 to drive the valve plate 20 to move, the driving structure 30 can comprise a driving motor, and the valve plate 20 is driven by the driving motor to open or close the pressure relief hole 11; the valve plate 20 can be switched between a first state and a second state, when the valve plate 20 is in the first state, the valve plate 20 closes the pressure relief hole 11, and when the valve plate 20 is in the second state, the valve plate 20 opens the pressure relief hole 11; the driving structure 30 controls the valve plate 20 to switch between the first state and the second state according to air parameters in the vehicle, the air parameters include at least one of oxygen content, carbon dioxide content, pressure, temperature or humidity of air in the vehicle, the valve plate 20 can be driven to open or close by a servo direct current motor, a certain angle can be opened so as to control the flow of the air, and the air displacement can be determined by controlling the opening degree of the valve through the rotation angle according to the air parameters in the vehicle. According to the pressure relief device, the driving structure can control the valve plate to be switched between closing and opening according to air parameters in the vehicle, the air parameters comprise at least one of oxygen content, carbon dioxide content, pressure, temperature or humidity of air in the vehicle, the valve plate is not easy to deform to generate wrinkles and is tightly sealed, the pressure relief hole can be opened in advance to form an air passage inside and outside the vehicle, sudden rising fluctuation of air pressure generated when the vehicle door is closed is avoided, discomfort of eardrums of passengers is avoided, the sealing effect of the vehicle is good, and unexpected leakage is not easy to generate.
In some embodiments, the driving structure 30 may be configured to control the valve plate 20 in the second state when the vehicle door is opened, so that the pressure relief hole is in an open state when the vehicle door is closed, the pressure relief hole is opened in advance to form an air passage inside and outside the vehicle, and pressure sudden rise fluctuation generated when the vehicle door is closed is avoided, thereby avoiding discomfort of eardrums of passengers and improving driving comfort.
In other embodiments, the driving structure 30 may be configured to control the valve plate 20 to be in the first state when the vehicle door is closed and the air parameter meets the preset condition, and drive the valve plate 20 to close the pressure relief hole 11 through the driving structure 30.
According to some embodiments, the driving structure 30 may be configured to control the valve plate 20 in the second state when the vehicle door is closed and the pressure of the air is greater than the preset pressure, so that the valve plate 20 is in the open state, and is convenient to communicate with the outside air, and is convenient to reduce the air pressure in the vehicle.
In some embodiments, the driving structure 30 may be configured to control the valve plate 20 to be in the second state when the vehicle door is closed and the oxygen content of the air is less than the first preset value; and/or, the driving structure 30 can be used for controlling the valve plate 20 to be in the second state when the vehicle door is closed and the carbon dioxide content of the air is greater than the second preset value, so that the air in the vehicle is conveniently communicated with the outside, and the oxygen content and the carbon dioxide content of the air in the vehicle are kept at reasonable contents.
Optionally, the driving structure 30 may be configured to control the valve plate 20 to be in the first state when the vehicle door is closed and the oxygen content of the air is greater than the third preset value; and/or the driving structure 30 is used for controlling the valve plate 20 to be in the first state when the vehicle door is closed and the carbon dioxide content of the air is smaller than the fourth preset value, closing the pressure relief hole 11 through the valve plate 20, avoiding the communication between the air in the vehicle and the outside air, keeping the oxygen content and the carbon dioxide content of the air in the vehicle at reasonable contents, avoiding the flow between the outside air and the air in the vehicle, preventing the outside air from entering the vehicle, preventing the oxygen in the vehicle from flowing out in a plateau region, and preventing the outside carbon dioxide from flowing into the vehicle. When the vehicle runs in a plateau area, the valve plate can be controlled to open or close the pressure relief hole according to the oxygen content and the carbon dioxide content in the air in the vehicle and the opening state of the oxygen generator, for example, the driving structure 30 can be used for controlling the valve plate 20 to be in the first state when the vehicle door is closed and the oxygen content of the air is greater than the third preset value, so that the sealing of the valve plate is controlled, and the oxygen leakage of the oxygen generator is reduced. When the vehicle-mounted oxygen generator works, the driving structure 30 can open and close the pressure relief holes according to monitored parameters of air in the vehicle and requirements, so that the quality of the air in the vehicle is ensured.
Alternatively, the driving structure 30 may be used to control the valve plate 20 in the first state when the vehicle is turned off, so as to ensure the vehicle is sealed.
In an embodiment of the present invention, the driving structure 30 may include a driving motor and a controller, the driving motor may be a servo motor, the driving motor is connected to the valve plate 20, the controller is connected to the driving motor, the controller is connected to the detector, the detector is configured to detect an air parameter in the vehicle, and the controller controls the driving motor to drive the valve plate 20 to switch between the first state and the second state according to the air parameter.
In the practical application process, the vehicle door is opened, the detector can send a vehicle door state signal to the bus, the controller can control a servo motor in the driving mechanism after receiving the signal, the servo motor drives the valve plate to turn over to a set angle, and the pressure relief hole is opened to form an air flow channel; after the vehicle door is closed, when the pressure of air in the vehicle is smaller than a set value and the parameters of the air in the vehicle are good, the servo motor drives the valve plate to close to form sealing; when the pressure of air in the vehicle is larger than a set value or the air quality is poor, the controller can control the valve plate to be opened again to release pressure and exchange air; in the vehicle running process, the vehicle door is closed, the pressure of air can be detected through the pressure sensor, the pressure sensor of air in the vehicle detects that the pressure in the vehicle is larger than a set value or the quality of air in the vehicle is poor (is worse than the set value), and the controller can drive the servo motor to drive the valve plate to turn over to a set angle according to the vehicle running mode, so that pressure relief is formed, and air circulation is guaranteed. The motor can be adopted to drive the valve plate to rotate, the opening size of the vehicle valve plate is controlled, the pressure relief hole is opened in advance to ensure that the air circulation in the vehicle is improved, the driving comfort is improved, and the opening and closing of the pressure relief valve plate are actively controlled.
The vehicle provided by the embodiment of the invention comprises the pressure relief device provided by the embodiment of the invention, and the pressure relief device provided by the embodiment of the invention has the technical effects, so that the vehicle provided by the embodiment of the invention also has the corresponding technical effects, namely, the driving structure can control the valve plate to be switched between closing and opening according to the air parameters in the vehicle, the valve plate is not easy to deform and wrinkle, the sealing is tight, the pressure relief hole can be opened in advance to form an air passage between the inside and the outside of the vehicle, the sudden rising fluctuation of air pressure generated when the vehicle door is closed is avoided, the eardrum discomfort of a passenger is avoided, the sealing effect of the vehicle is good, and the unexpected leakage is not easy to generate.
Other structures and operations of the vehicle according to the embodiment of the present invention will be understood and readily implemented by those skilled in the art, and thus will not be described in detail.
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the present application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships are changed accordingly.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (7)
1. A pressure relief device, comprising:
the valve body is provided with a pressure relief hole;
the valve plate is movably arranged on the valve body;
the driving structure is connected with the valve plate to drive the valve plate to move;
the valve plate can be switched between a first state and a second state, and when the valve plate is in the first state, the valve plate closes the pressure relief hole; when the valve plate is in the second state, the valve plate opens the pressure relief hole;
the driving structure controls the valve plate to be switched between the first state and the second state according to air parameters in the vehicle;
the air parameters comprise at least one of oxygen content, carbon dioxide content, pressure, temperature or humidity of air in the vehicle;
the driving structure is used for controlling the valve plate to be in the first state when the vehicle door is closed and the oxygen content of the air is greater than a third preset value; and/or
The driving structure is used for controlling the valve plate to be in the first state when the vehicle door is closed and the carbon dioxide content of the air is smaller than a fourth preset value;
the driving structure is used for controlling the valve plate to be in the second state when the vehicle door is closed and the pressure of the air is greater than the preset pressure.
2. The pressure relief device of claim 1, wherein the actuation structure is configured to control the valve plate in the second state when the door is open.
3. The pressure relief device according to claim 1 or 2, wherein the driving structure is configured to control the valve plate in the first state when the vehicle door is closed and the air parameter meets a preset condition.
4. The pressure relief device according to claim 1, wherein the driving structure is configured to control the valve plate to be in the second state when the vehicle door is closed and the oxygen content of the air is less than a first preset value; and/or
The driving structure is used for controlling the valve plate to be in the second state when the vehicle door is closed and the carbon dioxide content of the air is larger than a second preset value.
5. The pressure relief device of claim 1, wherein the actuation structure is configured to control the valve plate in the first state when the vehicle is turned off.
6. The pressure relief device of claim 1, wherein said drive structure comprises:
the air parameter detection device comprises a driving motor and a controller, wherein the driving motor is connected with the valve plate, the controller is connected with the driving motor, the controller is connected with a detector, and the detector is used for detecting air parameters in the vehicle;
the controller controls the driving motor to drive the valve plate to switch between the first state and the second state according to the air parameter.
7. A vehicle, characterized in that it comprises a pressure relief device according to any one of claims 1-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010673770.8A CN111779848B (en) | 2020-07-14 | 2020-07-14 | Pressure relief device and vehicle with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010673770.8A CN111779848B (en) | 2020-07-14 | 2020-07-14 | Pressure relief device and vehicle with same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111779848A CN111779848A (en) | 2020-10-16 |
| CN111779848B true CN111779848B (en) | 2022-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010673770.8A Active CN111779848B (en) | 2020-07-14 | 2020-07-14 | Pressure relief device and vehicle with same |
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| CN (1) | CN111779848B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114261259B (en) * | 2022-01-14 | 2023-10-13 | 东风汽车集团股份有限公司 | Control method, device and equipment for pressure relief valve and readable storage medium |
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| CN111779848A (en) | 2020-10-16 |
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