CN112098074A - Device and method for detecting comprehensive performance of portable furnace valve - Google Patents
Device and method for detecting comprehensive performance of portable furnace valve Download PDFInfo
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- CN112098074A CN112098074A CN202011064915.0A CN202011064915A CN112098074A CN 112098074 A CN112098074 A CN 112098074A CN 202011064915 A CN202011064915 A CN 202011064915A CN 112098074 A CN112098074 A CN 112098074A
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- valve
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/003—Machine valves
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
- G01M3/06—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing bubbles in a liquid pool
- G01M3/08—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing bubbles in a liquid pool for pipes, cables or tubes; for pipe joints or seals; for valves; for welds
- G01M3/086—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing bubbles in a liquid pool for pipes, cables or tubes; for pipe joints or seals; for valves; for welds for valves
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- Indication Of The Valve Opening Or Closing Status (AREA)
Abstract
The invention discloses a device for detecting the comprehensive performance of a portable furnace valve, which comprises: the simulated gas cylinder comprises a cylinder body and a cylinder nozzle arranged at the front end of the cylinder body, wherein the cylinder nozzle is suitable for being communicated with a gas inlet of the valve; an induction plate; an inductor; a gas storage tank and a pressure sensor; and (6) detecting leakage liquid. The invention also discloses a method for detecting the comprehensive performance of the portable furnace valve. This comprehensive properties detection device is in the testing process, the bottleneck communicates the air inlet of valve all the time, the adsorption plate can be attracted by the magnet of valve, through the position of rational arrangement elastic component and inductor, when the gas holder passes through the bottleneck and reaches certain atmospheric pressure value to the gas that the valve is inflated, if the inductor will not be with the induction plate contact response, just judge that the valve is unqualified product, otherwise take notes atmospheric pressure value in this time trachea, judge whether qualified, through scribble leak hunting liquid alright with observing whether produce the bubble around the valve, can carry out safe actuation performance and durable airtight performance to portable stove valve and detect.
Description
Technical Field
The invention relates to the technical field of portable gas furnaces, in particular to a device and a method for detecting comprehensive performance of a portable furnace valve.
Background
Portable gas stoves, also known as portable stoves or cassette stoves, are increasingly being used by restaurants and homes, and thanks to the light and handy, portable gas storage cylinders, portable stoves can be placed in various locations without restriction, and are also convenient for outdoor carrying. However, when the portable stove is used, and the pressure inside the gas cylinder is abnormally increased, the temperature of the stove body is abnormally increased, and the like, if the gas appliance cannot timely perform flameout reaction, explosion accidents are likely to happen.
The patent number is '201310689814.6', the name is 'portable gas barbecue oven with multiple protection function', the patent mentions the overpressure protection safety device, when the abnormal rise of the pressure in the gas cylinder is detected, the gas circuits at two sides are automatically cut off and the alarm is given.
Still appeared on the market a portable stove with automatic gas cylinder function is opened to valve excessive pressure, the valve includes the air inlet, magnet and acts as the axle, wherein, magnet is used for attracting the gas cylinder, the air inlet is used for the bottle neck of intercommunication gas cylinder, under the state that the gas cylinder is connected to the valve, when the atmospheric pressure in the gas cylinder reaches 0.4MPa ~ 0.6MPa, valve self-starting safety actuates the procedure, the axle that acts as of valve can outwards push away the boss portion of gas cylinder container, make the gas cylinder drop from the valve, automatic cutout gas is supplied with, guarantee safety.
The quality of the portable furnace needs to be detected before leaving the factory, especially the safety actuation performance of the valve is detected, the gas cylinder with higher gas pressure is usually adopted for detection at present, if the valve with unqualified quality is touched, the gas cylinder cannot be quickly flicked, gas leakage can be caused, and great potential safety hazards exist.
In addition, still need detect the withstand voltage gas tightness of valve, unqualified product leaks gas at the seam crossing of valve easily, and the valve need carry out withstand voltage gas tightness detection under the pressure that is greater than the gas cylinder of popping open, but often before reaching this pressure value, detects that the gas cylinder has just been popped open, and the detection degree of difficulty is very big.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides a device for detecting the safe actuating performance of a portable furnace valve, which can detect the safe actuating performance and the durable air tightness of the portable furnace valve at one time.
The invention further provides a method for detecting the safe actuation performance of the portable furnace valve.
According to the embodiment of the first aspect of the invention, the device for detecting the comprehensive performance of the portable stove valve comprises: the simulated gas cylinder is suitable for being installed in a portable furnace and comprises a cylinder body and a cylinder nozzle installed at the front end of the cylinder body, wherein the cylinder nozzle is suitable for being communicated with a gas inlet of a valve, a plurality of guide rods are installed at positions, surrounding the cylinder nozzle, of the cylinder body, and an adsorption plate used for attracting a magnet of the valve is installed at the front ends of the guide rods; the induction plate is sleeved on the guide rod in a sliding mode, an elastic part is arranged between the induction plate and the bottle body, the bottle mouth sequentially penetrates through the induction plate and the adsorption plate from back to front, and the induction plate can be pushed backwards by the actuating shaft of the valve; the inductor is arranged on the bottle body and is positioned behind the induction plate, and the inductor is suitable for being in contact induction with the induction plate on a moving path of the induction plate compressing the elastic piece; the gas storage tank can be communicated with the bottle mouth through a gas pipe, and the pressure sensor is used for detecting the gas pressure of the gas pipe; and the leakage detection liquid is used for being coated around the valve.
The method has the following beneficial effects: the comprehensive performance detection device adopts a simulated gas cylinder to be installed in a portable furnace, a gas storage tank can store compressed air or inert gas, a cylinder nozzle is always communicated with a gas inlet of a valve in the detection process, an adsorption plate can be attracted by a magnet of the valve, an induction plate simulates a boss part of a gas cylinder container, and through reasonable arrangement of the positions of an elastic part and an inductor, when gas filled into the valve through the cylinder nozzle of the gas storage tank reaches a certain air pressure value, if an actuating shaft of the valve cannot push the induction plate, or the force for pushing the induction plate by the actuating shaft of the valve is small and is not enough to compress the elastic part for enough distance, the inductor cannot contact and induce the induction plate, the valve cannot automatically bounce open the gas cylinder and is an unqualified product; when the sensor detects the contact induction with the sensing plate, the pressure sensor can record the air pressure value in the air pipe at the moment so as to judge whether the air pressure value is in a qualified range value or not and judge whether the valve is a qualified product or not; in addition, because the bottle neck communicates the air inlet of valve all the time, not influenced by the removal of sensing plate, the gas holder can also last to the valve gassing, through scribble the leak hunting liquid around the valve alright with whether the observation bubble produces to can once only carry out safe performance of actuating and durable airtight performance to portable stove valve and detect, convenient and fast does not have the potential safety hazard moreover.
According to some embodiments of the present invention, a pressure chamber is formed inside the bottle body, a front end of the pressure chamber is communicated with the bottle mouth, and a rear end of the pressure chamber is provided with an input port, and the input port can be communicated with the air storage tank through an air pipe.
According to some embodiments of the present invention, the sensor further comprises a detection unit, wherein the detection unit is electrically connected with the sensor and the pressure sensor.
According to some embodiments of the present invention, the middle of the absorption plate and the middle of the induction plate are both circular and hollow, the inner diameter of the absorption plate is larger than the inner diameter of the induction plate, and the actuation shaft of the valve can penetrate through the absorption plate and push the induction plate.
According to some embodiments of the invention, a stopper for limiting a moving path of the sensing plate is installed on the guide bar, and the stopper is located between the sensing plate and the suction plate.
According to some embodiments of the invention, the outer edge of the adsorption plate is provided with a positioning groove.
According to some embodiments of the invention, the resilient member is a compression spring.
According to a method for detecting the comprehensive performance of a valve of a portable furnace in an embodiment of a second aspect of the invention, the device for detecting the comprehensive performance of the valve of the portable furnace in the embodiment of the first aspect of the invention is adopted, and the method comprises the following steps:
the simulated gas cylinder is arranged in the portable furnace, the cylinder mouth is aligned with the gas inlet of the valve, and the adsorption plate is attracted by the magnet of the valve;
smearing leakage detection liquid around the valve;
the air storage tank is communicated with the bottle mouth through an air pipe;
opening the gas storage tank to enable the gas storage tank to gradually fill gas into the gas inlet of the valve through the bottle mouth;
detecting whether the sensor is in contact with the sensing plate or not, and if so, recording the air pressure value in the trachea detected by the pressure sensor at the moment;
the gas storage tank continuously fills gas into the gas inlet of the valve through the bottle mouth, and is closed when the gas pressure in the gas pipe reaches a preset gas pressure value;
check if bubbles are generated around the valve.
The method has the following beneficial effects: the comprehensive performance detection method can be used for detecting the safe actuation performance and the durable air tightness performance of the portable furnace valve at one time, is convenient and quick, and has no potential safety hazard.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of a simulated gas cylinder before being mated with a valve in an embodiment of the invention;
FIG. 3 is a schematic cross-sectional view of a simulated gas cylinder and valve in accordance with an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a simulated gas cylinder and valve matching state in the embodiment of the invention.
Reference numerals: the device comprises a portable furnace 1, a valve 2, an air inlet 21, a magnet 22, an actuating shaft 23, a simulated gas cylinder 3, a bottle body 31, a bottle nozzle 32, a guide rod 33, a stopping part 331, an adsorption plate 34, a positioning groove 341, an induction plate 35, an elastic element 36, a sensor 37, a pressure chamber 38, an input port 39, a gas storage tank 4, a gas pipe 5 and a detection unit 6.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, the valve of the present invention is not the structure of the present invention, and the valve 2 is introduced for the purpose of explaining the structure and/or function. It is to be understood that the positional references, such as upper, lower, front, rear, left, right, etc., are based on the positional references shown in the drawings and are intended to facilitate the description of the invention and to simplify the description, but are not intended to indicate or imply that the device or element so referred to must have the particular orientation, be constructed and operated in the particular orientation, and is therefore not to be considered as limiting the invention.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
Referring to fig. 1 and 2, the invention discloses a device for detecting comprehensive performance of a portable furnace valve, which comprises a simulated gas cylinder 3, an induction plate 35, an inductor 37, a gas storage tank 4, a pressure sensor and leakage detection liquid, wherein the simulated gas cylinder 3 is suitable for being installed in the portable furnace 1, and the leakage detection liquid is used for being coated around the valve 2.
Referring further to fig. 3 and 4, the simulated gas cylinder 3 includes a cylinder body 31 and a cylinder mouth 32 installed at the front end of the cylinder body 31, the cylinder mouth 32 is adapted to communicate with the gas inlet 21 of the valve 2, the cylinder body 31 is installed with a plurality of guide rods 33 at positions surrounding the cylinder mouth 32, the front ends of the guide rods 33 are installed with an adsorption plate 34, and the adsorption plate 34 is used for attracting the magnet 22 of the valve 2 to ensure that the cylinder mouth 32 is always communicated with the gas inlet 21 of the valve 2.
The sensing plate 35 is used for simulating a boss part of a gas cylinder container, the sensing plate 35 is slidably sleeved on the guide rod 33, an elastic part 36 is arranged between the sensing plate 35 and the cylinder body 31, the elastic part 36 can be compressed, the cylinder mouth 32 sequentially penetrates through the sensing plate 35 and the adsorption plate 34 from back to front, the sensing plate 35 can be pushed backwards by the actuating shaft 23 of the valve 2, the sensor 37 is installed on the cylinder body 31 and is positioned behind the sensing plate 35, the sensor 37 is suitable for being in contact induction with the sensing plate 35 on a moving path of the sensing plate 35 compressing the elastic part 36, and the positions of the elastic part 36 and the sensor 37 are reasonably arranged, so that the qualified valve 2 can compress the elastic part 36 with enough length to enable the sensing plate 35 to be in contact induction with the sensor 37 when the overpressure automatically pops.
4 accessible trachea 5 intercommunication bottle necks 32 of gas holder, 4 compressed air or inert gas can be stored to gas holder, guarantee that the safety does not have the hidden danger, and pressure sensor is used for detecting the atmospheric pressure of trachea 5.
In the detection process of the comprehensive performance detection device, the adsorption plate 34 firmly attracts the magnet 22 of the valve 2, the cylinder mouth 32 is ensured to be communicated with the air inlet 21 of the valve 2 all the time, when the gas filled into the valve 2 through the cylinder mouth 32 of the gas storage tank 4 reaches a certain air pressure value, if the actuating shaft 23 of the valve 2 cannot push the induction plate 35, or the force for pushing the induction plate 35 by the actuating shaft 23 of the valve 2 is small and is not enough to compress the elastic piece 36 for a sufficient distance, the inductor 37 cannot be in contact induction with the induction plate 35, and the situation that the valve 2 cannot automatically pop open the gas cylinder is judged to be an unqualified product is achieved.
When the sensor 37 detects the contact induction with the sensing plate 35, the pressure sensor can record the air pressure value in the air pipe 5 at the moment so as to judge whether the air pressure value is in a qualified range value or not, and judge whether the valve 2 is a qualified product or not.
In addition, because bottleneck 32 communicates the air inlet 21 of valve 2 all the time, do not receive the removal influence of sensing plate 35, gas holder 4 can also continuously fill gas to valve 2, through scribble the leak hunting liquid around valve 2 alright with whether the observation produces the bubble to can once only carry out safe actuation performance and durable airtight performance to portable stove valve and detect, convenient and fast, do not have the potential safety hazard moreover.
Referring to fig. 1 and 2, in some embodiments of the present invention, a pressure chamber 38 is formed inside the bottle body 31, a front end of the pressure chamber 38 is communicated with the mouth 32, and a rear end thereof is provided with an input port 39, and the input port 39 can be communicated with the air container 4 through the air tube 5.
In some embodiments of the present invention, the present invention further includes a detection unit 6, the detection unit is electrically connected to the sensor 37 and the pressure sensor, so as to more conveniently record the air pressure value in the air tube 5 when the sensor 37 detects the contact sensing with the sensing plate 35, and the detection unit 6 is additionally connected to the display, so as to be more intuitively viewed and recorded by the detection personnel.
Referring to fig. 3 and 4, in some embodiments of the present invention, the middle of the absorption plate 34 and the induction plate 35 are both circular and hollow, and the inner diameter of the absorption plate 34 is larger than the inner diameter of the induction plate 35, so that the actuation shaft 23 of the valve 2 can pass through the absorption plate 34 and push the induction plate 35 without affecting the movement of the actuation shaft 23 of the valve 2.
The guide rod 33 is provided with a stopper 331, the stopper 331 is located between the sensing plate 35 and the attraction plate 34, the stopper 331 is used for limiting the moving path of the sensing plate 35 and can also separate the sensing plate 35 from the attraction plate 34 to prevent the sensing plate 35 from being influenced by the magnet 22, and the elastic member 36 may be a compression spring.
In addition, in order to facilitate installation and positioning of the simulated gas cylinder 3, the outer edge of the adsorption plate 34 is provided with a positioning groove 341, and the valve 2 is correspondingly provided with a positioning block, so that the cylinder mouth 32 can be conveniently clamped into the gas inlet 21 of the valve 2 at one time.
The invention also discloses a method for detecting the comprehensive performance of the portable furnace valve, and the device for detecting the comprehensive performance of the portable furnace valve comprises the following steps:
the simulated gas cylinder 3 is loaded into the portable furnace 1, the cylinder mouth 32 is aligned with the gas inlet 21 of the valve 2, and the adsorption plate 34 is attracted by the magnet 22 of the valve 2;
smearing leakage detection liquid around the valve 2;
the air storage tank 4 is communicated with the bottle mouth 32 through an air pipe 5;
opening the gas storage tank 4 to enable the gas storage tank 4 to gradually fill gas into the gas inlet 21 of the valve 2 through the bottle mouth 32;
detecting whether the sensor 37 is in contact with the sensing plate 35 or not, and if so, recording the air pressure value in the air pipe 5 detected by the pressure sensor at the moment;
the gas storage tank 4 continuously and gradually fills gas into the gas inlet 21 of the valve 2 through the bottle mouth 32, and when the gas pipe 5 reaches a preset gas pressure value, the gas storage tank 4 is closed;
it is checked whether bubbles are generated around the valve 2.
According to the detection method, the magnet 22 of the valve 2 is firmly attracted through the adsorption plate 34, the bottle mouth 32 is ensured to be communicated with the air inlet 21 of the valve 2 all the time, the leakage of the joint of the valve 2 can be detected in the whole process by smearing the leakage detection liquid around the valve 2 before the air is inflated, when the air filled into the valve 2 through the bottle mouth 32 by the air storage tank 4 reaches a certain air pressure value, if the actuating shaft 23 of the valve 2 cannot push the induction plate 35, or the force for pushing the induction plate 35 by the actuating shaft 23 of the valve 2 is small and is not enough to compress the elastic element 36 for a sufficient distance, the inductor 37 cannot be in contact with the induction plate 35 for induction, the valve 2 is judged to be incapable of automatically bouncing the air bottle, and the air bottle is.
When the sensor 37 detects the contact induction with the sensing plate 35, the pressure sensor can record the air pressure value in the air pipe 5 at the moment so as to judge whether the air pressure value is in a qualified range value or not, and judge whether the valve 2 is a qualified product or not.
In addition, because bottleneck 32 communicates the air inlet 21 of valve 2 all the time, do not receive the removal influence of sensing plate 35, gas holder 4 can also continuously fill gas to valve 2, through scribble the leak hunting liquid around valve 2 alright with whether the observation produces the bubble to can once only carry out safe actuation performance and durable airtight performance to portable stove valve and detect, convenient and fast, do not have the potential safety hazard moreover.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.
Claims (8)
1. The utility model provides a portable stove valve comprehensive properties detection device which characterized in that includes:
the simulated gas cylinder is suitable for being installed in a portable furnace and comprises a cylinder body and a cylinder nozzle installed at the front end of the cylinder body, wherein the cylinder nozzle is suitable for being communicated with a gas inlet of a valve, a plurality of guide rods are installed at positions, surrounding the cylinder nozzle, of the cylinder body, and an adsorption plate used for attracting a magnet of the valve is installed at the front ends of the guide rods;
the induction plate is sleeved on the guide rod in a sliding mode, an elastic part is arranged between the induction plate and the bottle body, the bottle mouth sequentially penetrates through the induction plate and the adsorption plate from back to front, and the induction plate can be pushed backwards by the actuating shaft of the valve;
the inductor is arranged on the bottle body and is positioned behind the induction plate, and the inductor is suitable for being in contact induction with the induction plate on a moving path of the induction plate compressing the elastic piece;
the gas storage tank can be communicated with the bottle mouth through a gas pipe, and the pressure sensor is used for detecting the gas pressure of the gas pipe;
and the leakage detection liquid is used for being coated around the valve.
2. The device for detecting the comprehensive performance of a valve of a portable stove as claimed in claim 1, wherein a pressure chamber is formed inside the bottle body, the front end of the pressure chamber is communicated with the bottle mouth, the rear end of the pressure chamber is provided with an input port, and the input port can be communicated with the gas storage tank through a gas pipe.
3. The device for detecting the comprehensive performance of the valve of the portable furnace as claimed in claim 1 or 2, further comprising a detection unit, wherein the detection unit is electrically connected with the sensor and the pressure sensor.
4. The device as claimed in claim 1, wherein the middle of the absorption plate and the middle of the induction plate are both circular and hollow, the inner diameter of the absorption plate is larger than that of the induction plate, and the actuation shaft of the valve can penetrate through the absorption plate and push the induction plate.
5. The portable stove valve comprehensive performance detection device as claimed in claim 1 or 4, wherein a stop portion for limiting a moving path of the induction plate is installed on the guide rod, and the stop portion is located between the induction plate and the adsorption plate.
6. The device for detecting the comprehensive performance of the portable stove valve according to claim 5, wherein the outer edge of the adsorption plate is provided with a positioning groove.
7. The portable stove valve integrity testing device of claim 1, wherein the resilient member is a compression spring.
8. A method for detecting the comprehensive performance of a valve of a portable furnace, which is characterized by adopting the comprehensive performance detection device of the valve of the portable furnace as claimed in any one of claims 1 to 7, and the method comprises the following steps:
the simulated gas cylinder is arranged in the portable furnace, the cylinder mouth is aligned with the gas inlet of the valve, and the adsorption plate is attracted by the magnet of the valve;
smearing leakage detection liquid around the valve;
the air storage tank is communicated with the bottle mouth through an air pipe;
opening the gas storage tank to enable the gas storage tank to gradually fill gas into the gas inlet of the valve through the bottle mouth;
detecting whether the sensor is in contact with the sensing plate or not, and if so, recording the air pressure value in the trachea detected by the pressure sensor at the moment;
the gas storage tank continuously fills gas into the gas inlet of the valve through the bottle mouth, and is closed when the gas pressure in the gas pipe reaches a preset gas pressure value;
check if bubbles are generated around the valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011064915.0A CN112098074A (en) | 2020-09-30 | 2020-09-30 | Device and method for detecting comprehensive performance of portable furnace valve |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011064915.0A CN112098074A (en) | 2020-09-30 | 2020-09-30 | Device and method for detecting comprehensive performance of portable furnace valve |
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| CN112098074A true CN112098074A (en) | 2020-12-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011064915.0A Pending CN112098074A (en) | 2020-09-30 | 2020-09-30 | Device and method for detecting comprehensive performance of portable furnace valve |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117007257A (en) * | 2023-10-08 | 2023-11-07 | 东元科技有限公司 | Portable gas cylinder sealing performance inspection device |
-
2020
- 2020-09-30 CN CN202011064915.0A patent/CN112098074A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117007257A (en) * | 2023-10-08 | 2023-11-07 | 东元科技有限公司 | Portable gas cylinder sealing performance inspection device |
| CN117007257B (en) * | 2023-10-08 | 2024-01-05 | 东元科技有限公司 | Portable gas cylinder sealing performance inspection device |
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