CN112595465A - Water tank detection device, water tank detection method and humidifier - Google Patents
Water tank detection device, water tank detection method and humidifier Download PDFInfo
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- CN112595465A CN112595465A CN202011529087.3A CN202011529087A CN112595465A CN 112595465 A CN112595465 A CN 112595465A CN 202011529087 A CN202011529087 A CN 202011529087A CN 112595465 A CN112595465 A CN 112595465A
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- water tank
- sealing
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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
- G01M3/10—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 containers, e.g. radiators
Abstract
The invention discloses a water tank detection device, a water tank detection method and a humidifier, wherein the detection device comprises: the water tank sealing device comprises a first sealing mechanism for supporting and sealing the bottom of the water tank, a second sealing mechanism for sealing the top of the water tank, a driving mechanism for controlling the second sealing mechanism to move up and down, an inflating mechanism for inflating the water tank, and a water tank communicated with the first sealing mechanism; the water tank is clamped between the first sealing mechanism and the second sealing mechanism during detection. The invention adopts a mode of inflating air into the water tank to detect the tightness, judges the tightness of the water tank by observing whether bubbles emerge from a water tank which is hermetically communicated with the bottom of the water tank, and improves the detection automation degree and the detection efficiency.
Description
Technical Field
The invention relates to the technical field of detection devices, in particular to a water tank detection device, a water tank detection method and a humidifier for detecting tightness.
Background
The water tank is commonly used in daily electrical apparatus such as humidifier, and the import of water tank sets up at the top usually, the export setting is in the bottom, and parts such as the case of control export on-off state are still installed to the bottom of water tank, and the position that has the hidden danger of leaking in the whole water tank concentrates on the water tank bottom, and consequently the detection action to water tank bottom leakproofness is indispensable in the in-process of producing.
The traditional water tank tightness detection method depends on manual visual observation, and the whole detection process can be roughly divided into three steps: step one, filling water into a water tank, and then standing for 5 minutes; secondly, observing whether the water tank has water leakage, if the water tank does not have water leakage, pressing a valve core on a nut component at the bottom of the water tank, controlling the on-off state of a water outlet by the valve core, detecting whether water in the water tank can smoothly flow out from the water outlet, and if the water flows out normally, proving that a water outlet channel can work normally; and thirdly, wiping residual water stains inside and outside the water tank by using a towel. Therefore, the detection work of the water tank is finished, and the whole machine assembly can be carried out.
However, in the actual production process, the traditional detection method has a plurality of defects:
1. the water adding speed of the manual water supply tank is low;
2. residual water marks inside the water tank are difficult to clean;
3. the manual pressing of the valve core can cause damage to hands;
4. the water seepage is also checked by manual visual inspection to have certain instability, and the tiny water seepage abnormity can not be effectively detected.
Whole testing process inefficiency needs many people's complex work down, just can follow the speed of complete machine assembly by force, and this causes the cost of labor of water tank water tightness detection extremely high, leads to certain influence for production efficiency and quality management and control.
Disclosure of Invention
In order to solve the defect of low automation degree of the existing water tank air tightness detection, the invention provides a water tank detection device, a water tank detection method and a humidifier.
The technical scheme adopted by the invention is that a water tank detection device is designed, the top of the water tank is provided with an inlet, the bottom of the water tank is provided with at least one outlet, and the detection device comprises: the water tank sealing device comprises a first sealing mechanism for supporting and sealing the bottom of the water tank, a second sealing mechanism for sealing the top of the water tank, a driving mechanism for controlling the second sealing mechanism to move up and down, an inflating mechanism for inflating the water tank, and a water tank communicated with the first sealing mechanism; the water tank is clamped between the first sealing mechanism and the second sealing mechanism during detection.
The first sealing mechanism is communicated with the water tank in two ways, the first sealing mechanism is positioned in the water tank, and the bottom of the water tank is immersed in liquid in the water tank. The second type is that the first sealing mechanism is positioned outside the water tank, the first sealing mechanism is provided with a sealing cavity for coating the bottom of the water tank, the sealing cavity is communicated with the water tank through a gas-introducing channel, the end part of the gas-introducing channel, which is positioned in the water tank, is immersed in the liquid in the water tank, and a sealing layer which is attached and sealed with the side wall of the water tank is arranged on the cavity wall of the sealing cavity.
In a preferred embodiment, the top of the water tank is open to form an inlet, the bottom of the water tank is provided with two outlets, namely a mist outlet and a water outlet, and the water outlet is provided with a valve core for controlling the opening and closing state of the water outlet.
The first sealing mechanism includes: the water tank sealing device comprises a base for supporting the water tank, a positioning column arranged in the base and a sealing head arranged at the top end of the positioning column; when the water tank is detected, the sealing head is inserted into the mist outlet to seal the mist outlet. The second sealing mechanism includes: the air inlet is communicated with the inflating mechanism through an inflating channel; when the water tank is detected, the inlet is attached to the sealing gasket in a sealing mode, and the air inlet is communicated with the inner cavity of the water tank.
Preferably, the first sealing mechanism further comprises: and the position of the telescopic cylinder is aligned with the valve core up and down, and a piston rod of the telescopic cylinder can extend upwards to press the valve core to open the water outlet.
Preferably, the first sealing mechanism further comprises: the guide plate is arranged on the base, the outer wall of the water tank is provided with a positioning surface, and the guide plate is matched with the positioning surface in shape; when the water tank is detected, the positioning surface is attached to the guide plate, and the sealing head is inserted into the mist outlet.
The invention also provides a water tank detection method, which comprises the following steps:
sealing the bottom of the water tank by adopting a first sealing mechanism, sealing the top of the water tank by adopting a second sealing mechanism, and communicating the first sealing mechanism with the water tank;
inflating and maintaining pressure in the water tank;
and observing whether bubbles emerge from the liquid in the water tank.
In a preferred embodiment, the detection method further comprises: and when the water tank is inflated and pressure is maintained, the water outlet of the water tank is in a closed state, if no bubble emerges from the liquid in the water tank, the valve core is pressed to open the water outlet, and whether the bubble emerges from the liquid in the water tank is observed again.
The invention also provides a humidifier with the water tank, and the tightness of the water tank is detected by adopting the water tank detection device.
Compared with the prior art, the invention has the following beneficial effects:
1. the water tank is clamped between the first sealing mechanism and the second sealing mechanism during detection, the water tank is inflated through the inflating mechanism, whether bubbles exist in the water tank or not is observed, the tightness of the water tank is judged, water does not need to be added into the water tank, and the step of cleaning residual water marks in the water tank is omitted;
2. the telescopic cylinder is used for replacing a hand for pressing the valve core, so that the damage to the hand caused by pressing the valve core for a long time is reduced;
3. the first sealing mechanism can be arranged at the tail of the water tank and is provided with a sealing cavity for coating the bottom of the water tank, the sealing cavity is communicated with the water tank through the air-entraining channel, water contact at the bottom of the water tank can be avoided, and the step of wiping residual water traces outside the water tank of the humidifier is omitted.
Drawings
The invention is described in detail below with reference to examples and figures, in which:
FIG. 1 is a simplified schematic diagram of the structure of the water tank detecting device of the present invention;
FIG. 2 is a schematic view of a water trough according to an embodiment of the present invention;
fig. 3 is a schematic top view of a second sealing mechanism of the present invention.
Detailed Description
As shown in fig. 1 to 3, the water tank detection device provided by the present invention is suitable for detecting the tightness of a water tank, an inner cavity of the water tank is a water storage cavity, an inlet is arranged at the top of the water tank, at least one outlet is arranged at the bottom of the water tank, and the outlet of the water tank is communicated with the water storage cavity through an outlet channel. The detection device comprises: the support 12, the first sealing mechanism, the second sealing mechanism, the driving mechanism, the inflating mechanism and the water tank 7, the support is composed of a supporting part and an upright part fixed on the supporting part, the first sealing mechanism is installed on the supporting part and used for supporting and sealing the bottom of the water tank, liquid is contained in the water tank, the first sealing mechanism is communicated with the water tank 7, the upright part is located on one side of the first sealing mechanism, the driving mechanism is installed on the installation plate 1 of the upright part, the driving mechanism can adopt a lifting cylinder, the second sealing mechanism is located right above the first sealing mechanism, the first sealing mechanism is fixed below a piston rod of the lifting cylinder, the driving mechanism controls the second sealing mechanism to move up and down, the second sealing mechanism is used for sealing the top of the water tank, and the water tank is clamped between the first sealing mechanism and the second sealing mechanism during detection, the top and the bottom of the water tank are sealed, after the water tank is clamped and fixed, the water tank is inflated through the inflation mechanism, and whether bubbles emerge from the liquid in the water tank 7 or not is observed, so that the tightness of the water tank is judged.
In a preferred embodiment, the water tank is applied to the humidifier, the top of the water tank is open to form an inlet, the bottom of the water tank is provided with two outlets, the two outlets are respectively a mist outlet and a water outlet, the mist outlet is communicated with the water storage cavity through a mist outlet channel, the water outlet is communicated with the water storage cavity through a water outlet channel, and the water outlet is provided with a valve core for controlling the on-off state of the water outlet.
As shown in fig. 1 and 2, the first sealing mechanism includes: base 2, reference column 10, sealed head 9 and telescopic cylinder are equipped with the breach that matches with water tank bottom appearance on base 2, and the water tank bottom is placed on base 2, and reference column 10 is installed in base 2, and the top of reference column 10 is located to sealed head 9, and telescopic cylinder passes through cylinder support 5 to be fixed in base 2, and telescopic cylinder's position aligns from top to bottom with the case, and telescopic cylinder's piston rod can upwards stretch out to pressing the case and opening the delivery port. When the water tank is detected, the sealing head 9 is inserted into the mist outlet to seal the mist outlet.
As shown in fig. 3, the second sealing mechanism includes: the pressure plate 3 and the sealing gasket 6, the pressure plate 3 is provided with an air inlet 301, and the pressure plate 3 is also provided with a connecting hole 302 fixed with a piston rod of the lifting cylinder. The sealing gasket 6 is fixed on the bottom surface of the pressure plate 3, and the air inlet hole 301 is communicated with the inflation mechanism through an inflation channel. When the water tank is detected, the inlet is sealed with the sealing gasket 6 in a fitting manner, and the air inlet hole 301 is communicated with the inner cavity of the water tank.
Further, in a preferred embodiment, the outer shape of the water tank is cylindrical, the outer wall of the water tank is provided with a positioning surface, the positioning surface is a plane, and in order to improve the accuracy of placing the water tank on the base, the first sealing mechanism further comprises: and a guide plate 8 is arranged on the base 2, and the guide plate 8 is matched with the shape of the positioning surface. When placing the water tank, will fix a position the face and lean on deflector 8, adjust the position about the water tank a little again, will go out the fog mouth and align with sealed head, again downwards place the water tank can, the water tank is placed and is accomplished the back, and telescopic cylinder aligns with the case just.
The first sealing mechanism and the water tank are communicated in two ways, the first way is that the water tank is fixed on the supporting part of the bracket 12, the first sealing mechanism is installed in the water tank 7, the base 2 is supported and fixed on the fixing plate 4 through the support column 11, the fixing plate 4 is fixed on the bottom surface of the water tank 7, so that the bottom of the water tank is suspended in the water tank 7, the bottom of the water tank is immersed by liquid of the water tank 7, gas leaked from the bottom of the water tank is directly discharged into the liquid of the water tank 7 to generate bubbles, and the first sealing mechanism is simple in structure. The second is that first sealing mechanism is located the basin outside, first sealing mechanism is equipped with the seal chamber of cladding water tank bottom, be equipped with on the chamber wall of seal chamber with the sealed sealing layer of water tank lateral wall laminating, the seal chamber passes through bleed passageway and basin intercommunication, the tip submergence that the bleed passageway is located the basin is in the liquid of basin, the gas row that leaks bottom the water tank is into the seal chamber, send the gassing in the liquid of basin through the bleed passageway, the benefit of this kind of intercommunication mode is to avoid water tank bottom contact water, can omit the step of cleaning the outside water stain that remains of water tank, and the efficiency of software testing is improved.
It should be noted that the sealing head 9, the sealing gasket 6 and the sealing layer are made of rubber, and the second sealing mechanism is pushed downwards by the driving mechanism, so that the first sealing mechanism and the second sealing mechanism squeeze and clamp the water tank, and the sealing members such as the sealing head 9 and the sealing gasket 6 deform and tightly attach to the water tank, thereby achieving a good sealing effect. Of course, in order to avoid the water tank being excessively squeezed, a sensor for detecting the height position of the second sealing mechanism may be provided on the upright portion of the bracket 12, the driving mechanism adjusts its operating state according to a detection signal of the sensor, and when the second sealing mechanism is lowered to a set height, the driving mechanism stops pushing the second sealing mechanism downward.
As shown in fig. 1, the present invention also provides a water tank detection method, which comprises the following steps:
sealing the bottom of the water tank by adopting a first sealing mechanism, sealing the top of the water tank by adopting a second sealing mechanism, and communicating the first sealing mechanism with the water tank;
inflating the water tank to ensure that the internal pressure of the water tank is higher than the atmospheric pressure and maintaining the pressure;
and (3) observing whether bubbles emerge from the water tank 7 by a detector, wherein if bubbles emerge, the tightness of the water tank is unqualified, and if no bubbles emerge, the tightness of the water tank is qualified.
In a preferred embodiment, the detection method further comprises: the water outlet of the water tank is in a closed state when the water tank is inflated and pressure is maintained, if the water tank is observed to have no bubble to emerge, the tightness of the water tank is qualified, next inspection is carried out, a piston rod of the telescopic cylinder upwards extends to press the valve core to open the water outlet, whether the bubble emerges from the water tank 7 is observed again, if the bubble emerges, the water outlet channel is not blocked, the water tank is qualified, if the bubble does not emerge, the water outlet is not normally opened, and the water tank is unqualified.
It should be noted that, in the detection process, the inflating mechanism continuously inflates air into the water tank, after the detection is completed, the inflating cylinder stops inflating air into the water tank, the driving mechanism drives the second sealing mechanism to ascend, the detected water tank is taken down by the detector, and the detection flow of the water tank is ended. Furthermore, in order to facilitate the control of the detection process by the detection personnel, the detection device can be provided with an operation button, and the detection personnel can control the working states of the driving mechanism and the telescopic cylinder by pressing the operation button.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (13)
1. Water tank detection device, the top of water tank is equipped with the import, the bottom is equipped with at least one export, its characterized in that, detection device includes: the water tank sealing device comprises a first sealing mechanism for supporting and sealing the bottom of the water tank, a second sealing mechanism for sealing the top of the water tank, a driving mechanism for controlling the second sealing mechanism to move up and down, an inflating mechanism for inflating the water tank, and a water tank communicated with the first sealing mechanism; the water tank is clamped between the first sealing mechanism and the second sealing mechanism during detection.
2. The water tank testing device of claim 1, wherein said first sealing mechanism is located in said water tank, and wherein a bottom of said water tank is submerged in a liquid in said water tank.
3. The water tank detection device according to claim 1, wherein the first sealing mechanism is located outside the water tank, the first sealing mechanism is provided with a sealing cavity covering the bottom of the water tank, the sealing cavity is communicated with the water tank through a bleed air channel, and an end of the bleed air channel located in the water tank is immersed in the liquid in the water tank.
4. The water tank detection device according to claim 3, wherein a sealing layer which is in fit sealing with the side wall of the water tank is arranged on the wall of the sealing cavity.
5. The water tank detection device according to any one of claims 1 to 4, wherein the bottom of the water tank is provided with two outlets, which are a mist outlet and a water outlet, respectively, and the water outlet is provided with a valve core for controlling the on-off state of the water outlet.
6. The water tank testing device of claim 5, wherein said first sealing mechanism comprises: the water tank sealing device comprises a base for supporting the water tank, a positioning column arranged in the base and a sealing head arranged at the top end of the positioning column; when the water tank is detected, the sealing head is inserted into the mist outlet to seal the mist outlet.
7. The water tank testing device of claim 6, wherein said first sealing mechanism further comprises: the telescopic cylinder is installed in the base, the position of the telescopic cylinder is aligned with the valve core up and down, and a piston rod of the telescopic cylinder can extend upwards to press the valve core to open the water outlet.
8. The water tank testing device of claim 6, wherein said first sealing mechanism further comprises: the guide plate is arranged on the base, the outer wall of the water tank is provided with a positioning surface, and the guide plate is matched with the positioning surface in shape; when the water tank is detected, the positioning surface is attached to the guide plate, and the sealing head is inserted into the mist outlet.
9. The water tank testing device according to any one of claims 1 to 4, wherein a top of the water tank is open to form the inlet.
10. The water tank testing device according to any one of claims 1 to 4, wherein the second sealing mechanism comprises: the air inlet is communicated with the inflating mechanism through an inflating channel; when the water tank is detected, the inlet is attached to and sealed with the sealing gasket, and the air inlet is communicated with the inner cavity of the water tank.
11. The detection method of the water tank is characterized by comprising the following steps of:
sealing the bottom of the water tank by adopting a first sealing mechanism, sealing the top of the water tank by adopting a second sealing mechanism, and communicating the first sealing mechanism with the water tank;
inflating and maintaining pressure in the water tank;
and observing whether bubbles emerge from the liquid in the water tank.
12. The water tank detection method according to claim 11, wherein two outlets are arranged at the bottom of the water tank, the two outlets are a mist outlet and a water outlet, and a valve core for controlling the opening and closing of the water outlet is arranged in the water outlet; the detection method further comprises the following steps: and when the water tank is inflated and pressure is maintained, the water outlet is in a closed state, if no bubble emerges from the liquid in the water tank, the valve core is pressed to open the water outlet, and whether bubbles emerge from the liquid in the water tank is observed again.
13. Humidifier, comprising a water tank, characterized in that the tightness of the water tank is tested using a water tank testing device according to any one of claims 1 to 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011529087.3A CN112595465A (en) | 2020-12-22 | 2020-12-22 | Water tank detection device, water tank detection method and humidifier |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011529087.3A CN112595465A (en) | 2020-12-22 | 2020-12-22 | Water tank detection device, water tank detection method and humidifier |
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| CN112595465A true CN112595465A (en) | 2021-04-02 |
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| CN202011529087.3A Pending CN112595465A (en) | 2020-12-22 | 2020-12-22 | Water tank detection device, water tank detection method and humidifier |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114034443A (en) * | 2021-11-26 | 2022-02-11 | 重庆怡之驰机械有限公司 | Airtightness detection device |
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2020
- 2020-12-22 CN CN202011529087.3A patent/CN112595465A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114034443A (en) * | 2021-11-26 | 2022-02-11 | 重庆怡之驰机械有限公司 | Airtightness detection device |
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