CN217586090U - Temperature sensor and vehicle gas cylinder valve using same - Google Patents
Temperature sensor and vehicle gas cylinder valve using same Download PDFInfo
- Publication number
- CN217586090U CN217586090U CN202221032181.2U CN202221032181U CN217586090U CN 217586090 U CN217586090 U CN 217586090U CN 202221032181 U CN202221032181 U CN 202221032181U CN 217586090 U CN217586090 U CN 217586090U
- Authority
- CN
- China
- Prior art keywords
- temperature measuring
- measuring element
- opening
- temperature sensor
- armor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model relates to a temperature measurement technical field, concretely relates to temperature sensor and use this temperature sensor's automobile-used gas cylinder valve. The temperature sensor comprises an armor and a temperature measuring element, the armor comprises a pipe body and a bottom wall, an opening is formed in the bottom wall, the temperature measuring element is clamped and fixed in the opening, and the hole wall of the opening is of a necking structure which is reduced from top to bottom and is matched with the outer surface of the middle part of the temperature measuring element in a matching mode; the upper end part of the temperature measuring element is upwards exposed out of the upper orifice of the opening and is positioned in the mounting channel, and the lower end part of the temperature measuring element is downwards exposed out of the lower orifice of the opening and is positioned outside the armor, so that the lower end part of the temperature measuring element can be directly contacted with a medium to be measured, the response time of the temperature sensor is shortened, the thermal resistance of heat conduction is reduced, and the temperature measuring accuracy of the temperature sensor is improved; the hole wall of the opening is of a necking structure which is reduced from top to bottom, and the hole wall of the opening can be matched with the outer surface of the middle part of the temperature measuring element in a matching mode, so that the temperature measuring element is firmly clamped and fixed in the opening.
Description
Technical Field
The utility model relates to a temperature measurement technical field, concretely relates to used temperature sensor of automobile-used gas cylinder valve.
Background
In order to better realize energy conservation and emission reduction, the traditional energy is gradually changed into green energy. As a development trend, research and popularization of hydrogen fuel cells are receiving more and more attention, especially, application of hydrogen fuel cells in the field of vehicles. Storage and supply of hydrogen is also a more critical branch of technology when hydrogen fuel cells are used in vehicles.
Most hydrogen supply systems at present often include automobile-used gas bottle and connect fuel cell's hydrogen supply pipeline, and automobile-used gas bottle valve is installed to automobile-used gas bottle's bottleneck, and automobile-used gas bottle valve realizes on the one hand adding hydrogen in the automobile-used gas bottle, and on the other hand still realizes letting hydrogen to the hydrogen supply pipeline. The vehicular gas cylinder valve is a combined valve and is structurally a vehicular high-pressure gas cylinder valve disclosed in Chinese patent document with application publication number CN113503467A, and comprises a valve seat, wherein a filter, a manual valve, a one-way valve, a flow limiting valve, an electromagnetic valve, a temperature sensor, a temperature safety valve, a manual relief valve and a relief port are generally arranged on the valve seat, the temperature sensor is arranged in the vehicular gas cylinder and used for transmitting the temperature of gas in the vehicular gas cylinder to a control module in real time, and the control module makes corresponding control actions according to the temperature change of the gas in the vehicular gas cylinder so as to avoid safety accidents caused by overhigh temperature in the vehicular gas cylinder.
The temperature sensor in the prior art has an armor type and a fully-open type, wherein a temperature measuring element of the temperature sensor is exposed in an environment to be measured. However, the temperature measuring element and the lead wire connected with the temperature measuring element are all exposed in the measured medium, so that the protection performance of the temperature sensor is poor, and the situation that the temperature sensor fails due to lead wire breakage is easy to occur.
The armor type temperature sensor is characterized in that a temperature measuring element of the temperature sensor is completely wrapped inside an armor, the structure of the armor type temperature sensor is a temperature measuring component for a process pipeline of a liquid oxygen kerosene engine test system disclosed in Chinese patent document with application publication number CN111595476A, the armor comprises a pipe body and a bottom wall, the pipe body is provided with an installation channel extending along the length direction of the pipe body, the temperature measuring element is connected with a lead, the temperature measuring element and the lead are installed in the installation channel and are in contact with the bottom wall of the armor, and the temperature of a medium to be measured is transmitted to the temperature measuring element through the heat conduction of the armor.
According to the armor type temperature sensor in the prior art, the temperature measuring element is arranged in the armor, and the temperature of a measured medium needs to be conducted to the temperature measuring element through the armor in a heat conduction mode, so that the response time of the armor type temperature sensor is long, the real-time detection of temperature change in the gas bottle for the vehicle is not facilitated, the heat resistance of heat conduction is large, the temperature measuring accuracy of the armor type temperature sensor is poor, and the reliability of the gas bottle valve for the vehicle is reduced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a have better barrier propterty and temperature measurement degree of accuracy's temperature sensor concurrently. An object of the utility model is to provide a vehicle gas cylinder valve to solve the relatively poor technical problem of hydrogen cylinder reliability among the prior art.
In order to achieve the above object, the utility model discloses temperature sensor's technical scheme is:
the temperature sensor comprises an armor and a temperature measuring element, wherein the armor comprises a pipe body and a bottom wall, the pipe body is provided with an installation channel extending along the length direction of the pipe body, the temperature measuring element is connected with a lead, and the lead is arranged in the installation channel; the bottom wall is provided with an opening, the temperature measuring element is clamped and fixed in the opening, and the hole wall of the opening is of a necking structure which is reduced from top to bottom and is matched with the outer surface of the middle part of the temperature measuring element in a matching way; the open hole is provided with an upper hole and a lower hole, the upper end part of the temperature measuring element is upwards exposed out of the upper hole and is positioned in the installation channel, and the lower end part of the temperature measuring element is downwards exposed out of the lower hole and is positioned outside the armor.
The beneficial effects are that: in the temperature sensor of the utility model, the bottom wall of the armor is provided with the opening, and the lower end part of the temperature measuring element is downwards exposed out of the lower orifice of the opening and is directly contacted with the medium to be measured, so as to shorten the response time of the temperature sensor, reduce the thermal resistance of heat conduction and improve the temperature measuring accuracy of the temperature sensor; meanwhile, the hole wall of the opening is of a necking structure which is reduced from top to bottom, and the hole wall of the opening can be matched with the outer surface of the middle part of the temperature measuring element in a matching mode, so that the size of the lower orifice of the opening is inevitably smaller than the outer diameter of the part, clamped and fixed in the opening, of the temperature measuring element, the temperature measuring element is prevented from being separated from the opening when the temperature sensor vibrates, and the reliability of the temperature sensor is guaranteed. The armor isolates the lead wire and the upper end part of the temperature measuring element from a medium to be measured, so that the protection performance of the temperature sensor is improved, and the service life of the temperature sensor is prolonged.
Further improved, the hole wall of the hole is in interference fit with the temperature measuring element to form a necking structure.
The beneficial effects are that: in order to realize the interference fit of the hole wall of the hole and the temperature measuring element, the hole is processed by adopting a mechanical necking process under the common condition, and the hole wall of the hole is extruded by a split die so that the temperature measuring element in the hole is elastically deformed during processing, so that the temperature measuring element can be tightly attached to the hole wall of the hole, and the firmness of clamping and fixing the temperature measuring element in the hole is improved.
The temperature measuring element is further improved to be spherical, the hole wall of the opening is a spherical surface, and the curvature radius of the spherical surface is the same as that of the spherical surface of the temperature measuring element.
The beneficial effects are that: due to the design, the spherical outer surface area is larger, so that the area of the wall of the opening hole tightly attached to the temperature measuring element is larger, and the firmness of clamping and fixing the temperature measuring element in the opening hole is further improved; and the spherical temperature measuring element has better compression resistance, and the deformation of the temperature measuring element when the temperature measuring element is arranged in the open hole is reduced.
In a further improvement, the mounting channel is filled with fixing glue for fixing the lead and the temperature measuring element in the mounting channel.
The beneficial effects are that: the installation strength and rigidity of the temperature sensor are ensured by fixing the adhesive curing lead and the temperature measuring element.
Further improved, a plurality of annular grooves are formed in the outer peripheral surface of the armor pipe body and are distributed at intervals from top to bottom.
The beneficial effects are that: by means of the design, the weight of the temperature sensor is reduced while the structural strength of the armor is guaranteed.
In order to achieve the above object, the technical solution of the vehicular cylinder valve of the present invention is:
a vehicle gas cylinder valve comprises a valve seat, wherein a temperature sensor which is arranged in a vehicle gas cylinder when in use is arranged on the valve seat, the temperature sensor comprises an armor and a temperature measuring element, the armor comprises a pipe body and a bottom wall, the pipe body is provided with an installation channel extending along the length direction of the pipe body, the temperature measuring element is connected with a lead, and the lead is arranged in the installation channel; the bottom wall is provided with an opening, the temperature measuring element is clamped and fixed in the opening, and the hole wall of the opening is of a necking structure which is reduced from top to bottom and is matched with the outer surface of the middle part of the temperature measuring element in a matching way; the open hole is provided with an upper hole and a lower hole, the upper end part of the temperature measuring element is upwards exposed out of the upper hole and is positioned in the installation channel, and the lower end part of the temperature measuring element is downwards exposed out of the lower hole and is positioned outside the armor.
The beneficial effects are that: the utility model discloses an among the automobile-used gas cylinder valve, clamp and fix the part that the temperature element in the armor diapire trompil exposes down the trompil downwards can with the medium direct contact that awaits measuring in the automobile-used gas cylinder to shorten temperature sensor's response time, and reduced heat-conducting thermal resistance, improved temperature sensor's the temperature measurement degree of accuracy, make automobile-used gas cylinder valve can be in real time according to the automobile-used gas cylinder of temperature change control in the gas cylinder's gassing and gassing, improve automobile-used gas cylinder valve's reliability. And the armor isolates the lead wire and the upper end part of the temperature measuring element from a medium to be measured, so that the protective performance of the temperature sensor is improved, and the service life of the gas cylinder valve for the vehicle is prolonged.
Further improved, the hole wall of the hole is in interference fit with the temperature measuring element to form a necking structure.
The beneficial effects are that: in order to realize the interference fit of the hole wall of the hole and the temperature measuring element, the hole is processed by adopting a mechanical necking process under the common condition, and the hole wall of the hole is extruded by a split die so that the temperature measuring element in the hole is elastically deformed during processing, so that the temperature measuring element can be tightly attached to the hole wall of the hole, and the firmness of clamping and fixing the temperature measuring element in the hole is improved.
The temperature measuring element is further improved to be spherical, the hole wall of the opening is a spherical surface, and the curvature radius of the spherical surface is the same as that of the spherical surface of the temperature measuring element.
The beneficial effects are that: due to the design, the spherical outer surface area is larger, so that the area of the wall of the opening hole tightly attached to the temperature measuring element is larger, and the firmness of clamping and fixing the temperature measuring element in the opening hole is further improved; and the spherical temperature measuring element has better compression resistance, and the deformation of the temperature measuring element when the temperature measuring element is arranged in the open hole is reduced.
In a further improvement, the mounting channel is filled with fixing glue for fixing the lead and the temperature measuring element in the mounting channel.
The beneficial effects are that: the installation strength and rigidity of the temperature sensor are ensured by fixing the adhesive curing lead and the temperature measuring element.
Further improved, a plurality of annular grooves are formed in the outer peripheral surface of the armor pipe body and are distributed at intervals from top to bottom.
The beneficial effects are that: by means of the design, the weight of the temperature sensor is reduced while the structural strength of the armor is guaranteed.
Drawings
FIG. 1 is a schematic structural view of a vehicular cylinder valve according to the present invention;
FIG. 2 is a schematic structural diagram of the temperature sensor of FIG. 1;
fig. 3 is a partially enlarged view of fig. 2.
In the figure: 11. a valve seat; 12. a temperature sensor; 13. armor; 14. a temperature measuring element; 15. a lead wire; 16. a ring groove; 17. installing a channel; 18. fixing glue; 19. and (6) opening holes.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clear, the present invention is further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention, i.e., the described embodiments are only some, but not all embodiments of the invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.
It is noted that relational terms such as "first" and "second," and the like, which may be present, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, terms such as "comprises," "comprising," or any other variation thereof, which may be present, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a … …" or the like is not excluded from a process, method, or the like that includes the element.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" when they are used are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, or may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art from the specific situation.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the term "provided" may be used in a broad sense, for example, the object provided may be a part of the body, or may be arranged separately from the body and connected to the body, and the connection may be a detachable connection or a non-detachable connection. The specific meaning of the above terms in the present invention can be understood by those skilled in the art from the specific situation.
The present invention will be described in further detail with reference to examples.
The utility model discloses an embodiment 1 of automobile-used gas cylinder valve:
the utility model discloses an automobile-used gas cylinder valve is used for installing the bottleneck at automobile-used gas bottle, and the storage has gas in the automobile-used gas bottle. As shown in fig. 1, the gas cylinder valve for the vehicle includes a valve seat 11 and a temperature sensor 12, the temperature sensor 12 is fixed on the valve seat 11 and is disposed in the gas cylinder for the vehicle, and is used for detecting the temperature change of the gas in the gas cylinder for the vehicle in real time, so that the gas cylinder valve for the vehicle can control the gas filling and gas releasing of the gas cylinder for the vehicle according to the temperature change of the gas in the gas cylinder for the vehicle.
As shown in FIG. 2, the temperature sensor 12 comprises an armor 13 and a temperature measuring element 14, a lead 15 is connected to the temperature measuring element 14, and the lead 15 can transmit temperature data measured by the temperature measuring element 14 to the outside in real time. The armor 13 includes a pipe body and a bottom wall located at the bottom of the pipe body, and a plurality of annular grooves 16 distributed from top to bottom at intervals are formed in the periphery of the pipe body so as to reduce the overall weight of the temperature sensor 12. The tube body is provided with an installation channel 17 extending along the length direction of the tube body, and the lead 15 is arranged in the installation channel 17, so that the protection performance of the lead 15 is improved, and the service life of the temperature sensor 12 is prolonged.
As shown in fig. 3, the bottom wall is provided with an opening 19, the opening 19 is communicated with the mounting channel 17, the opening 19 is provided with an upper opening and a lower opening, and the hole wall of the opening 19 is of a necking structure which is reduced from top to bottom. The temperature measuring element 14 is clamped and fixed in the open pore 19, the pore wall of the open pore 19 is matched with the outer surface of the middle part of the temperature measuring element 14, the upper end part of the temperature measuring element 14 is upwards exposed out of the upper orifice and is positioned in the installation channel 17, and the lower end part of the temperature measuring element 14 is downwards exposed out of the lower orifice and is positioned outside the armor 13. The temperature measuring element 14 with the armor 13 exposed downwards can be in direct contact with gas in a vehicle gas bottle, so that the response time of temperature measurement of the temperature sensor 12 is shortened, the thermal resistance of heat conduction is reduced, and the accuracy of temperature measurement of the temperature sensor 12 is improved.
In order to improve the firmness of the temperature measuring element 14 in the open hole 19, the hole wall of the open hole 19 is in interference fit with the temperature measuring element 14 to form a necking structure, and the mechanical necking process is adopted for processing. In this embodiment, the temperature measuring element 14 is a spherical thermistor. The hole wall of the opening 19 is a spherical surface, and the curvature radius of the spherical surface of the hole wall of the opening 19 is the same as that of the spherical surface of the temperature measuring element 14, so that the hole wall of the opening 19 is tightly attached to the outer surface of the middle part of the temperature measuring element 14, the temperature measuring element 14 is guaranteed to be firmly clamped and fixed in the opening 19, the problem that the temperature measuring element 14 is separated from the opening 19 when the temperature sensor 12 vibrates to affect the reliability of the temperature sensor 12 is avoided, and the anti-vibration performance of the temperature measuring element 14 is improved.
The mounting channel 17 is filled with a fixing glue 18 to solidify the lead 15 and the temperature measuring element 14, so that the mounting strength and rigidity of the temperature sensor 12 are ensured. In this embodiment, the fixing glue 18 is an epoxy glue.
In the gas cylinder valve for the vehicle of the utility model, the bottom wall of the armor 13 is provided with the opening 19, the lower end part of the temperature measuring element 14 is downwards exposed out of the lower orifice of the opening 19 and is directly contacted with the gas in the gas cylinder for the vehicle, so as to shorten the response time of the temperature sensor 12, reduce the thermal resistance of heat conduction and improve the temperature measuring accuracy of the temperature sensor 12; meanwhile, the hole wall of the opening 19 is of a necking structure which is reduced from top to bottom, and the hole wall of the opening 19 can be matched with the outer surface of the middle part of the temperature measuring element 14 in a matching mode, so that the size of the lower hole opening of the opening 19 is inevitably smaller than the outer diameter of the part, clamped and fixed in the opening 19, of the temperature measuring element 14, the temperature measuring element 14 is prevented from falling out of the opening 19 when the temperature sensor 12 vibrates, and the reliability of the gas cylinder valve for the vehicle is improved. The armor 13 isolates the upper end parts of the lead 15 and the temperature measuring element 14 from a medium to be measured, so that the protection performance of the temperature sensor 12 is improved, and the service life of the temperature sensor 12 is prolonged.
The utility model discloses an embodiment 2 of automobile-used gas cylinder valve:
this example differs from example 1 in that: in embodiment 1, the hole wall of the opening 19 and the temperature measuring element 14 are in interference fit to form a necking structure, and the opening 19 is machined by adopting a mechanical necking process. In this embodiment, the temperature measuring element 14 is press-fitted into the opening 19. In other embodiments, the wall of the opening 19 can conform exactly to the outer surface of the temperature sensing element 14. Of course, there may be a certain gap between the wall of the opening 19 and the outer surface of the temperature measuring element 14, and the temperature measuring element 14 is fixed in the opening 19 by adhesion.
The utility model discloses an embodiment 3 of automobile-used gas cylinder valve:
this example differs from example 1 in that: in example 1, the temperature measuring element 14 was spherical, and the hole wall of the opening 19 was a spherical curved surface having the same radius of curvature as that of the spherical surface of the temperature measuring element 14. In this embodiment, the temperature measuring element 14 is a circular truncated cone with a wide top and a narrow bottom, the opening 19 is a curved hole, and the wall of the opening 19 is matched with the outer surface of the temperature measuring element 14. In other embodiments, the temperature sensing element 14 is an inverted rectangular pyramid, and the walls of the opening 19 are curved holes circumscribing all of the lateral edges of the pyramid.
The utility model discloses an embodiment 4 of automobile-used gas cylinder valve:
this example differs from example 1 in that: in embodiment 1, the mounting passage 17 is filled with a fixing adhesive 18 for fixing the lead 15 and the temperature measuring element 14 in the mounting passage 17. In this embodiment, the fixing glue 18 is not provided.
The utility model discloses a temperature sensor's embodiment: the structure of the temperature sensor 12 is the same as that of the temperature sensor 12 according to any one of embodiments 1 to 4 of the gas cylinder valve for a vehicle described above, and will not be described in detail here.
Finally, it should be noted that the above mentioned embodiments are only preferred embodiments of the present invention, and not intended to limit the present invention, and although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made without inventive effort to the technical solutions described in the foregoing embodiments, or equivalents may be substituted for some of the technical features. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The temperature sensor comprises an armor (13) and a temperature measuring element (14), wherein the armor (13) comprises a pipe body and a bottom wall, the pipe body is provided with a mounting channel (17) extending along the length direction of the pipe body, the temperature measuring element (14) is connected with a lead (15), and the lead (15) is arranged in the mounting channel (17); the temperature measuring device is characterized in that an opening (19) is formed in the bottom wall, the temperature measuring element (14) is clamped and fixed in the opening (19), and the hole wall of the opening (19) is of a necking structure which is reduced from top to bottom and is matched with the outer surface of the middle part of the temperature measuring element (14) in a matching mode; the opening (19) has an upper opening and a lower opening, the upper end of the temperature measuring element (14) is exposed upward from the upper opening and is positioned in the mounting channel (17), and the lower end of the temperature measuring element (14) is exposed downward from the lower opening and is positioned outside the armor (13).
2. The temperature sensor according to claim 1, wherein the wall of the opening (19) is in interference fit with the temperature measuring element (14) to form a throat structure.
3. A temperature sensor according to claim 1 or 2, wherein the temperature measuring element (14) is spherical and the wall of the opening (19) is a spherical surface having the same radius of curvature as the spherical surface of the temperature measuring element (14).
4. A temperature sensor according to claim 1 or 2, wherein the mounting channel (17) is filled with a fixing glue (18) for fixing the lead wire (15) and the temperature measuring element (14) in the mounting channel (17).
5. The temperature sensor according to claim 1 or 2, characterized in that the periphery of the pipe body of the armor (13) is provided with a plurality of annular grooves (16) which are distributed at intervals from top to bottom.
6. A vehicle gas cylinder valve comprises a valve seat (11), wherein a temperature sensor (12) which is arranged in a vehicle gas cylinder when in use is installed on the valve seat (11), the temperature sensor (12) comprises an armor (13) and a temperature measuring element (14), the armor (13) comprises a pipe body and a bottom wall, the pipe body is provided with an installation channel (17) extending along the length direction of the pipe body, the temperature measuring element (14) is connected with a lead (15), and the lead (15) is arranged in the installation channel (17); the temperature measuring device is characterized in that the bottom wall is provided with an opening (19), the temperature measuring element (14) is clamped and fixed in the opening (19), and the hole wall of the opening (19) is of a necking structure which is reduced from top to bottom and is matched with the outer surface of the middle part of the temperature measuring element (14) in a matching way; the opening (19) has an upper opening and a lower opening, the upper end of the temperature measuring element (14) is exposed upward from the upper opening and is positioned in the mounting channel (17), and the lower end of the temperature measuring element (14) is exposed downward from the lower opening and is positioned outside the armor (13).
7. The vehicular gas cylinder valve according to claim 6, wherein the hole wall of the opening (19) is in interference fit with the temperature measuring element (14) to form a necking structure.
8. A vehicle gas cylinder valve according to claim 6 or 7, characterized in that the temperature measuring element (14) is spherical, the wall of the opening (19) is a spherical surface, and the radius of curvature of the spherical surface is the same as the radius of curvature of the spherical surface of the temperature measuring element (14).
9. Gas cylinder valve for vehicles as claimed in claim 6 or 7, characterized in that the mounting channel (17) is filled with a fixing glue (18) for fixing the lead wire (15) and the temperature measuring element (14) in the mounting channel (17).
10. A gas cylinder valve for vehicles as claimed in claim 6 or 7, wherein the outer peripheral surface of the body of the armor (13) is formed with a plurality of annular grooves (16) spaced from top to bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221032181.2U CN217586090U (en) | 2022-04-29 | 2022-04-29 | Temperature sensor and vehicle gas cylinder valve using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221032181.2U CN217586090U (en) | 2022-04-29 | 2022-04-29 | Temperature sensor and vehicle gas cylinder valve using same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217586090U true CN217586090U (en) | 2022-10-14 |
Family
ID=83548115
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221032181.2U Active CN217586090U (en) | 2022-04-29 | 2022-04-29 | Temperature sensor and vehicle gas cylinder valve using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217586090U (en) |
-
2022
- 2022-04-29 CN CN202221032181.2U patent/CN217586090U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109812693A (en) | A kind of vehicle-mounted hydrogen-feeding system of fuel cell car | |
| US7576660B2 (en) | Fuel retention monitoring system for a pressurized hydrogen storage tank on a vehicle and method of use | |
| EP3637535A1 (en) | Uniform flow device and method for battery energy-storage liquid cooling system | |
| CN217586090U (en) | Temperature sensor and vehicle gas cylinder valve using same | |
| CN201762088U (en) | Multi-point quick automatic detection device of fuel adding machine | |
| US20230345657A1 (en) | Sensor device and valve assembly with improved sealing features | |
| CN216050515U (en) | Filter cylinder welding seal detection device | |
| CN202675617U (en) | Single-ended assembly heat pump water heater water tank | |
| CN201438047U (en) | Temperature controller mounting structure | |
| CN215771696U (en) | Weighing sensor lead device of truck scale | |
| CN214277962U (en) | Instant heating device for crude fiber tester, liquid adding system and crude fiber tester | |
| CN211784286U (en) | Measuring tool | |
| CN220676936U (en) | Filtering structure, test tube assembly and test tube rack | |
| CN214702498U (en) | Self-adaptive installation tool for bidirectional acceleration sensor in pipe | |
| CN212536803U (en) | Novel diaphragm for pressure regulating valve | |
| CN209102171U (en) | A kind of flow rate test ancillary equipment and flow testing device | |
| CN215262139U (en) | Temperature transmitter with accurate temperature measurement | |
| CN218180132U (en) | Temperature sensor structure of accurate accuse temperature | |
| CN211401454U (en) | Quick response high temperature sensor | |
| CN217852459U (en) | Air inlet structure | |
| CN213239335U (en) | Battery system air tightness detection tool and detection system | |
| CN218765646U (en) | Temperature sensor protection tube | |
| CN214840159U (en) | Zero stifled metering device on line convenient to assembly | |
| CN218270889U (en) | Integrative pressure transmitter is pressed to high reliability temperature | |
| CN216050347U (en) | Multipurpose wall-attached temperature sensor simple and convenient to install |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |