CN115014744A - Detection apparatus for confirm distributing type aperture goes out water effect based on exhaust time - Google Patents

Detection apparatus for confirm distributing type aperture goes out water effect based on exhaust time Download PDF

Info

Publication number
CN115014744A
CN115014744A CN202210749948.1A CN202210749948A CN115014744A CN 115014744 A CN115014744 A CN 115014744A CN 202210749948 A CN202210749948 A CN 202210749948A CN 115014744 A CN115014744 A CN 115014744A
Authority
CN
China
Prior art keywords
test loop
output end
pressure sensor
loop
linear
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.)
Granted
Application number
CN202210749948.1A
Other languages
Chinese (zh)
Other versions
CN115014744B (en
Inventor
赖桂文
李强
王东琦
詹承锐
王淋凡
谢英伟
蔡勇宾
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xiamen University of Technology
Original Assignee
Xiamen University of Technology
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Xiamen University of Technology filed Critical Xiamen University of Technology
Priority to CN202210749948.1A priority Critical patent/CN115014744B/en
Publication of CN115014744A publication Critical patent/CN115014744A/en
Application granted granted Critical
Publication of CN115014744B publication Critical patent/CN115014744B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M13/00Testing of machine parts
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E30/00Energy generation of nuclear origin
    • Y02E30/30Nuclear fission reactors

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Examining Or Testing Airtightness (AREA)
  • Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)

Abstract

The invention provides a detection device for determining a distributed small-hole water outlet effect based on exhaust time, which comprises: the device comprises a controller, an air inlet loop, a first test loop and a second test loop, wherein a control end of the air inlet loop is electrically connected with an output end of the controller; the input end of the air inlet loop is used for connecting an air source, the output end of the air inlet loop is connected with the input end of the first test loop and the input end of the second test loop, the output end of the first test loop is used for connecting a workpiece to be tested, the output end of the second test loop is used for connecting a standard part, the first detection module is arranged between the output end of the first test loop and the workpiece to be tested, and the second detection module is arranged between the output end of the second test loop and the standard part; the problem of among the prior art gondola water faucet after going out the water effect and detecting, unable drained moisture leads to the phenomenon of rust and corrosion.

Description

Detection apparatus for confirm distributing type aperture goes out water effect based on exhaust time
Technical Field
The invention relates to the field of water outlet detection of a shower head, in particular to a detection device for determining a distributed small-hole water outlet effect based on exhaust time.
Background
The shower head is an indispensable article in modern household life, wherein shower head water outlet flow size direct influence people's experience sense and comfort level, so carry out the performance detection to the shower head before leaving the factory indispensable. The water outlet of the shower head has various gears, water outlet holes are densely distributed, and performance indexes such as water outlet flow and spray shape can be influenced by blockage, irregularity and the like of the water outlet holes. At present, a manual water testing method is basically adopted for shower head products, the main flow is that the shower head is connected with a shower head spray tester to perform water outlet test of set pressure, and whether quality problems exist in small holes of the shower head or not is judged by manually observing the shape of the spray of the shower head, such as blockage of spray holes, oblique jet intersection of the spray of the shower head and the like.
At present, more instruments for detecting the spraying state and the spray shape of the shower head depend on manual observation, the test period is long, human errors are easily caused, and automation cannot be formed. Meanwhile, the detection method can be realized only by introducing water to the product, the water outlet structure of the shower head is complex, the number of loops is large, residual water cannot be thoroughly removed by the water removing machine of the shower head, and subsequent treatment procedures such as drying and corrosion prevention of the shower head are required, so that the enterprise cost and the product performance are greatly influenced.
In view of this, the present application is presented.
Disclosure of Invention
The invention discloses a detection device for determining a distributed small-hole water outlet effect based on exhaust time, and aims to solve the problem that in the prior art, after a shower head is subjected to water outlet effect detection, moisture cannot be drained, and rust and corrosion are caused.
The first embodiment of the invention provides a detection device for determining a distributed small-hole water outlet effect based on exhaust time, which is characterized by comprising the following components: the device comprises a controller, an air inlet loop, a first test loop and a second test loop, wherein a control end of the air inlet loop is electrically connected with an output end of the controller, and a first pressure sensor, a second pressure sensor, a first detection module and a second detection module are electrically connected with an input end of the controller;
the input end of the air inlet loop is used for being connected with an air source, the output end of the air inlet loop is connected with the input end of the first test loop and the input end of the second test loop, the output end of the first test loop is used for being connected with a workpiece to be tested, the output end of the second test loop is used for being connected with a standard part, the first detection module is configured between the output end of the first test loop and the workpiece to be tested, and the second detection module is configured between the output end of the second test loop and the standard part;
the controller is configured to implement the following steps by executing a computer program stored therein:
generating a control signal to the air inlet loop so that the air source can introduce air with a preset pressure value into a first test loop and a second test loop, wherein the first test loop and the second test loop are opened at an input end and closed at an output end;
when the first pressure sensor and the second pressure sensor detect that the first test loop and the second test loop reach preset pressure values, controlling the input end of the first test loop and the input end of the second test loop to be closed;
after the timing of the first timer is finished, controlling the output end of the first test loop and the output end of the second test loop to be opened, determining the linear deflation starting point and the linear deflation ending point of the first test loop through the first detection module, and determining the linear deflation starting point and the linear deflation ending point of the second test loop through the second detection module;
and generating an air bleeding time difference according to the linear air bleeding starting point and the linear air bleeding end point of the first test loop and the linear air bleeding starting point and the linear air bleeding end point of the second test loop, and determining a distributed small hole water outlet result of the workpiece to be detected according to the air bleeding time difference.
Preferably, the intake circuit includes: the filter assembly and the electronic proportional pressure regulating valve;
the input end of the filter assembly is connected with the air source, the output end of the filter assembly is connected with the input end of the electronic proportional pressure regulating valve, and the output end of the electronic proportional pressure regulating valve is connected with the input end of the first test loop and the input end of the second test loop;
and the control end of the electronic proportional pressure regulating valve is electrically connected with the output end of the controller.
Preferably, the first test loop comprises: a first solenoid valve, a first container, and a second solenoid valve;
the input end of the first electromagnetic valve is connected with the output end of the electronic proportional pressure regulating valve, the output end of the first electromagnetic valve is connected with the input end of the first container, the output end of the first container is connected with the input end of the second electromagnetic valve, the output end of the second electromagnetic valve is connected with the workpiece to be measured, and the first pressure sensor is arranged between the first container and the second electromagnetic valve;
the output end of the controller is electrically connected with the control end of the first electromagnetic valve and the control end of the second electromagnetic valve.
Preferably, the second test loop comprises: a third solenoid valve, a second container, and a fourth solenoid valve;
the input end of the third electromagnetic valve is connected with the output end of the electronic proportional pressure regulating valve, the output end of the third electromagnetic valve is connected with the input end of the second container, the output end of the second container is connected with the input end of the fourth electromagnetic valve, the output end of the fourth electromagnetic valve is connected with the standard part, and the second pressure sensor is arranged between the second container and the fourth electromagnetic valve;
the output end of the controller is electrically connected with the control end of the third electromagnetic valve and the control end of the fourth electromagnetic valve.
Preferably, the first detection module comprises a third pressure sensor and a fourth pressure sensor electrically connected to the input of the controller;
the measuring range of the third pressure sensor is 250-280 kpa, and the measuring range of the fourth pressure sensor is 0-30 kpa.
Preferably, the first detection module comprises a fifth pressure sensor and a sixth pressure sensor electrically connected to the input of the controller;
the range of the fifth pressure sensor is 250-280 kpa, and the range of the sixth pressure sensor is 0-30 kpa.
Preferably, the determining, by the first detection module, the linear deflation starting point and the end point of the first test loop and the determining, by the second detection module, the linear deflation starting point and the end point of the second test loop specifically include:
when the third pressure sensor detects that the first test circuit reaches a first pressure value during air exhaust, the linear air exhaust starting point of the first test circuit is defined;
when the fourth pressure sensor detects that the first test circuit reaches a second pressure value during air exhaust, a linear air exhaust terminal point of the first test circuit is defined;
when the fifth pressure sensor detects that the second test circuit reaches a third pressure value during air exhaust, the linear air exhaust starting point of the second test circuit is defined;
and when the fourth pressure sensor detects that the first test circuit reaches a fourth pressure value during air exhaust, defining the linear air exhaust terminal point of a second test circuit, wherein the first pressure value is equal to the third pressure value, and the second pressure value is equal to the fourth pressure value.
Preferably, the generating of the deflation time difference according to the linear deflation starting point and the linear deflation ending point of the first test loop and the linear deflation starting point and the linear deflation ending point of the second test loop and the determining of the water outlet result of the distributed small holes of the workpiece to be detected according to the deflation time difference specifically comprise:
acquiring a first time period from a linear deflation starting point to a linear deflation end point of the first test loop and a second time period from the linear deflation starting point to the linear deflation end point of the second test loop;
generating an air bleeding time difference according to the first time period and the second time period, and judging whether the air bleeding time difference is smaller than a preset value;
if so, defining the water outlet result of the distributed small holes of the workpiece to be detected as qualified;
if not, defining the water outlet result of the distributed small holes of the workpiece to be detected as unqualified.
Preferably, the method further comprises the following steps: a touch screen;
wherein the touch screen is electrically connected with the controller.
Preferably, the controller is a PLC controller.
Based on the detection device for determining the water outlet effect of the distributed small holes based on the exhaust time, which is provided by the invention, the controller controls the air inlet loop to be opened so that the air source can deliver air with a preset pressure value to the first test loop and the second test loop with the input ends opened and the output ends closed through the air inlet loop, when the first pressure sensor and the second pressure sensor detect that the first test loop and the second test loop reach the preset pressure values, the input ends of the first test loop and the second test loop are controlled to be closed, then the input ends of the two test loops are closed to carry out pressure stabilization, after the pressure stabilization is finished, air is discharged, and the linear starting point and the linear end point in the air discharging process are determined through the first detection module and the second detection module, and according to the air release time difference of the linear starting point and the linear end point, the distributed small hole water outlet result of the workpiece to be detected is determined, and the problem that the water cannot be drained after the water outlet effect of the shower head is detected in the prior art, so that the phenomenon of rusting and corrosion is caused is solved.
Drawings
FIG. 1 is a schematic circuit diagram of a detection device for determining a water outlet effect of a distributed small hole based on an exhaust time according to the present invention.
FIG. 2 is a flow chart illustrating steps executed by the controller according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
The following detailed description of specific embodiments of the invention refers to the accompanying drawings.
The invention discloses a detection device for determining a distributed small-hole water outlet effect based on exhaust time, and aims to solve the problem that in the prior art, after a shower head is subjected to water outlet effect detection, moisture cannot be drained, and rust and corrosion are caused.
Referring to fig. 1 and 2, a first embodiment of the present invention provides a detection apparatus for determining a water outlet effect of a distributed orifice based on an exhaust time, including: the device comprises a controller, an air inlet loop 1, a first test loop 2 and a second test loop 3, wherein the control end of the air inlet loop is electrically connected with the output end of the controller, and a first pressure sensor 23, a second pressure sensor 33, a first detection module and a second detection module are electrically connected with the input end of the controller;
the input end of the air inlet loop 1 is used for connecting an air source, the output end of the air inlet loop 1 is connected with the input end of the first test loop 2 and the input end of the second test loop 3, the output end of the first test loop 2 is used for connecting a workpiece 4 to be tested, the output end of the second test loop 3 is used for connecting a standard part 5, the first detection module is arranged between the output end of the first test loop 2 and the workpiece 4 to be tested, and the second detection module is arranged between the output end of the second test loop 3 and the standard part 5;
it should be noted that, in this embodiment, the controller can send out an electrical signal for driving the control ends of the air intake circuit 1, the first test circuit 2, and the first test circuit 2, so that the circuits can operate between an open position where a portion corresponding to the circuit is closed and a closed position where a portion corresponding to the circuit is opened, in this embodiment, the controller can convert the analog quantities collected by the first pressure sensor 23, the second pressure sensor 33, the first detection module, and the second detection module into digital quantities for displaying the differential pressure, specifically, in this embodiment, the controller may be a PLC controller, which can operate in a noisy industrial environment and is not interfered, and of course, in other embodiments, a single chip microcomputer may also be used as the controller, which is not specifically limited herein, but all such variations are within the scope of the invention.
In this embodiment, an input end of the controller may be connected to a key module (for example, a start key, a stop key, an emergency stop key, and the like) for initiating a signal for starting a test to the controller, and of course, a touch screen may also be electrically connected to the controller to further implement human-computer interaction, and specifically, a signal for starting a test may be issued to the controller through the touch screen, and each pressure value acquired by the controller may also be displayed on the touch screen.
The controller is configured to implement the following steps by executing a computer program stored therein:
s101, generating a control signal to the air inlet loop 1 so that the air source can introduce air with a preset pressure value into the first test loop 2 and the second test loop 3 with the input ends opened and the output ends closed;
it should be noted that, in one possible embodiment of the invention, the intake circuit 1 comprises: a filter assembly 11 and an electronic proportional pressure regulating valve 12; the input end of the filter assembly 11 is connected with the air source, the output end of the filter assembly 11 is connected with the input end of the electronic proportional pressure regulating valve 12, and the output end of the electronic proportional pressure regulating valve 12 is connected with the input end of the first test circuit 2 and the input end of the second test circuit 3; and the control end of the electronic proportional pressure regulating valve 12 is electrically connected with the output end of the controller.
The electronic proportional pressure regulating valve 12 can receive a pulse signal sent by the controller, so that the circuit can be fed with gas with a preset pressure, wherein the filtering assembly 11 can comprise a mechanical pressure regulating valve, a filter and an oil mist separator for purification, so as to filter impurities in the gas source.
S102, when the first pressure sensor 23 and the second pressure sensor 33 detect that the first test circuit 2 and the second test circuit 3 reach preset pressure values, controlling the input end of the first test circuit 2 and the input end of the second test circuit 3 to be closed;
it should be noted that the controller may obtain the pressure values of the first pressure sensor 23 and the second pressure sensor 33 in real time, and close the input end of the corresponding loop when the collected values reach the preset values, of course, in other embodiments, the input end of the loop may be closed in other manners, for example, the input end is closed when the inflation time of the loop reaches the preset value, and these schemes may be set correspondingly according to actual situations, but all of these schemes are within the protection scope of the present invention.
S103, after the timing of the first timer is finished, controlling the output end of the first test loop 2 and the output end of the second test loop 3 to be opened, determining the linear deflation starting point and the linear deflation ending point of the first test loop 2 through the first detection module, and determining the linear deflation starting point and the linear deflation ending point of the second test loop 3 through the second detection module;
it should be noted that the timer may be a software module in the controller, and may be directly invoked and used for timing, and the purpose of setting the first timer is to enable the test loop to enter a pressure stabilizing stage after the test loop is completely inflated, wherein the first pressure sensor 23 and the second pressure sensor 33 may be an air pressure gauge, and the pressure value of the air path is monitored by the air pressure gauge, so as to achieve a more accurate test result, and avoid adverse effects on the test result due to air flow fluctuation.
In a possible embodiment of the invention, said first detection module comprises a third pressure sensor 25 and a fourth pressure sensor 26 electrically connected to the input of said controller;
the range of the third pressure sensor 25 may be 250 to 280kpa, and the range of the fourth pressure sensor 26 may be 0 to 30 kpa.
It should be noted that the third pressure sensor 25 is a non-zero starting point and is a narrow range pressure sensor for detecting the bleeding starting point of the first test loop 2;
specifically, in the present embodiment, when it is detected by the third pressure sensor 25 that the first test circuit 2 reaches the first pressure value during the air exhaust, the linear deflation starting point of the first test circuit 2 is defined, wherein, when the pressure value at the output end of the first test circuit 2 of the third pressure sensor 25 is 260kpa, the timing may be started, and the time point for starting the timing may be obtained.
When the fourth pressure sensor 26 detects that the first test circuit 2 reaches the second pressure value during the air exhaust, the linear air exhaust end point of the first test circuit 2 is defined, wherein the timing can be ended when the third pressure sensor 25 senses that the pressure value at the output end of the first test circuit 2 is 20kpa, and the time point for ending the timing is obtained, so as to generate the air exhaust period of the first test circuit 2.
In a possible embodiment of the invention, said second detection module comprises a fifth pressure sensor 35 and a sixth pressure sensor 36 electrically connected to the input of said controller;
the range of the fifth pressure sensor 35 may be 250 to 280kpa, and the range of the sixth pressure sensor 36 may be 0 to 30 kpa.
It should be noted that the fifth pressure sensor 35 is a non-zero starting point and is a narrow range pressure sensor for detecting the bleeding starting point of the second test circuit 3;
specifically, in the present embodiment, when it is detected by the fifth pressure sensor 35 that the second test circuit 3 reaches the third pressure value during the air exhaust, the linear deflation starting point of the second test circuit 3 is defined, wherein, when the pressure value at the output end of the second test circuit 3 of the fifth pressure sensor 35 is 260kpa, the timing may be started, and the time point for starting the timing may be obtained.
When the sixth pressure sensor 36 detects that the second test circuit 3 reaches a fourth pressure value during air exhaust, a linear air exhaust end point of the second test circuit 3 is defined, wherein when the sixth pressure sensor 36 senses that the pressure value at the output end of the second test circuit 3 is 20kpa, the timing can be ended, and a time point for ending the timing is obtained, so as to generate an air exhaust period of the second test circuit 3.
It should be noted that, acquiring the deflation starting point and the deflation ending point by using the pressure sensors with two different ranges can greatly improve the accuracy of acquiring the time points, and further, in this embodiment, a 1ms timer is used, which can further improve the accuracy of measurement.
And S104, generating an air bleeding time difference according to the linear air bleeding starting point and the linear air bleeding end point of the first test circuit 2 and the linear air bleeding starting point and the linear air bleeding end point of the second test circuit 3, and determining a distributed small hole water outlet result of the workpiece to be detected according to the air bleeding time difference.
Specifically, in the present embodiment, a first period of time from the linear deflation start point to the linear deflation end point of the first test loop 2, and a second period of time from the linear deflation start point to the linear deflation end point of the second test loop 3 are obtained;
generating an air bleeding time difference according to the first time period and the second time period, and judging whether the air bleeding time difference is smaller than a preset value;
if so, defining the water outlet result of the distributed small holes of the workpiece 4 to be detected as qualified;
if not, the distributed small hole water outlet result of the workpiece 4 to be detected is defined as unqualified.
In a possible embodiment of the invention, the first test loop 2 comprises: a first solenoid valve 21, a first container 22, and a second solenoid valve 24;
the input end of the first electromagnetic valve 21 is connected with the output end of the electronic proportional pressure regulating valve 12, the output end of the first electromagnetic valve 21 is connected with the input end of the first container 22, the output end of the first container 22 is connected with the input end of the second electromagnetic valve 24, the output end of the second electromagnetic valve 24 is connected with the workpiece 4 to be measured, and the first pressure sensor 23 is arranged between the first container 22 and the second electromagnetic valve 24;
the output end of the controller is electrically connected with the control end of the first electromagnetic valve 21 and the control end of the second electromagnetic valve 24.
It should be noted that, in this embodiment, the first solenoid valve 21 is controlled by the controller and is used for opening and closing the input end of the first testing circuit 2, the second solenoid valve 24 is controlled by the controller and is used for opening and closing the output end of the first testing circuit 2, and the first container 22 is a gas storage device of the first testing circuit 2.
In a possible embodiment of the invention, the second test loop 3 comprises: a third solenoid valve 31, a second container 32, and a fourth solenoid valve 34;
an input end of the third electromagnetic valve 31 is connected with an output end of the electronic proportional pressure regulating valve 12, an output end of the third electromagnetic valve 31 is connected with an input end of the second container 32, an output end of the second container 32 is connected with an input end of the fourth electromagnetic valve 34, an output end of the fourth electromagnetic valve 34 is connected with the standard 5, and the second pressure sensor 33 is arranged between the second container 32 and the fourth electromagnetic valve 34;
the output end of the controller is electrically connected with the control end of the third electromagnetic valve 31 and the control end of the fourth electromagnetic valve 34.
It should be noted that, in this embodiment, the third solenoid valve 31 is controlled by the controller and is used for opening and closing the input end of the second testing circuit 3, the fourth solenoid valve 34 is controlled by the controller and is used for opening and closing the output end of the second testing circuit 3, and the second container 32 is a gas storage device of the second testing circuit 3.
Based on the detection device for determining the water outlet effect of the distributed small holes based on the exhaust time, provided by the invention, the controller controls the air inlet loop 1 to be opened so that the air source can deliver air with a preset pressure value to the first test loop 2 and the second test loop 3 with the input ends opened and the output ends closed through the air inlet loop 1, controls the input ends of the first test loop 2 and the second test loop 3 to be closed when the first pressure sensor 23 and the second pressure sensor 33 detect that the first test loop 2 and the second test loop 3 reach the preset pressure value, then closes the input ends of the two test loops to perform pressure stabilization, deflates after the pressure stabilization is completed, and determines a linear starting point and a linear end point in the deflation process through the first detection module and the second detection module, and according to the air release time difference of the linear starting point and the linear end point, the distributed small hole water outlet result of the workpiece to be detected is determined, and the problem that the water cannot be drained after the water outlet effect of the shower head is detected in the prior art, so that the phenomenon of rusting and corrosion is caused is solved.
The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention.

Claims (10)

1. The utility model provides a detection apparatus for confirm distributing type aperture goes out water effect based on exhaust time which characterized in that includes: the device comprises a controller, an air inlet loop, a first test loop and a second test loop, wherein a control end of the air inlet loop is electrically connected with an output end of the controller, and a first pressure sensor, a second pressure sensor, a first detection module and a second detection module are electrically connected with an input end of the controller;
the input end of the air inlet loop is used for being connected with an air source, the output end of the air inlet loop is connected with the input end of the first test loop and the input end of the second test loop, the output end of the first test loop is used for being connected with a workpiece to be tested, the output end of the second test loop is used for being connected with a standard part, the first detection module is configured between the output end of the first test loop and the workpiece to be tested, and the second detection module is configured between the output end of the second test loop and the standard part;
the controller is configured to implement the following steps by executing a computer program stored therein:
generating a control signal to the air inlet loop so that the air source can introduce air with a preset pressure value into a first test loop and a second test loop, wherein the first test loop and the second test loop are opened at input ends and closed at output ends;
when the first pressure sensor and the second pressure sensor detect that the first test loop and the second test loop reach preset pressure values, controlling the input end of the first test loop and the input end of the second test loop to be closed;
after the timing of the first timer is finished, controlling the output end of the first test loop and the output end of the second test loop to be opened, determining the linear deflation starting point and the linear deflation ending point of the first test loop through the first detection module, and determining the linear deflation starting point and the linear deflation ending point of the second test loop through the second detection module;
and generating an air bleeding time difference according to the linear air bleeding starting point and the linear air bleeding end point of the first test loop and the linear air bleeding starting point and the linear air bleeding end point of the second test loop, and determining a distributed small hole water outlet result of the workpiece to be detected according to the air bleeding time difference.
2. The detection device for determining the water outlet effect of the distributed small holes based on the exhaust time as claimed in claim 1, wherein the air inlet circuit comprises: the filter assembly and the electronic proportional pressure regulating valve;
the input end of the filter assembly is connected with the air source, the output end of the filter assembly is connected with the input end of the electronic proportional pressure regulating valve, and the output end of the electronic proportional pressure regulating valve is connected with the input end of the first test loop and the input end of the second test loop;
and the control end of the electronic proportional pressure regulating valve is electrically connected with the output end of the controller.
3. The detection apparatus for determining the effect of distributed small hole yielding water based on the air discharge time as claimed in claim 2, wherein the first test loop comprises: a first solenoid valve, a first container, and a second solenoid valve;
the input end of the first electromagnetic valve is connected with the output end of the electronic proportional pressure regulating valve, the output end of the first electromagnetic valve is connected with the input end of the first container, the output end of the first container is connected with the input end of the second electromagnetic valve, the output end of the second electromagnetic valve is connected with the workpiece to be measured, and the first pressure sensor is arranged between the first container and the second electromagnetic valve;
the output end of the controller is electrically connected with the control end of the first electromagnetic valve and the control end of the second electromagnetic valve.
4. The detection apparatus for determining the effect of distributed small hole yielding water based on the air discharge time as claimed in claim 2, wherein the second test loop comprises: a third solenoid valve, a second container, and a fourth solenoid valve;
the input end of the third electromagnetic valve is connected with the output end of the electronic proportional pressure regulating valve, the output end of the third electromagnetic valve is connected with the input end of the second container, the output end of the second container is connected with the input end of the fourth electromagnetic valve, the output end of the fourth electromagnetic valve is connected with the standard part, and the second pressure sensor is arranged between the second container and the fourth electromagnetic valve;
the output end of the controller is electrically connected with the control end of the third electromagnetic valve and the control end of the fourth electromagnetic valve.
5. The detection device for determining the effect of distributed small hole yielding water based on the exhaust time as claimed in claim 1, wherein the first detection module comprises a third pressure sensor and a fourth pressure sensor electrically connected with the input end of the controller;
the measuring range of the third pressure sensor is 250-280 kpa, and the measuring range of the fourth pressure sensor is 0-30 kpa.
6. The detection device for determining the effect of distributed orifice water outlet based on the exhaust time as claimed in claim 5, wherein the first detection module comprises a fifth pressure sensor and a sixth pressure sensor electrically connected with the input end of the controller;
the measuring range of the fifth pressure sensor is 250-280 kpa, and the measuring range of the sixth pressure sensor is 0-30 kpa.
7. The detection apparatus for determining the water outlet effect of the distributed small holes based on the air discharge time as claimed in claim 6, wherein the first detection module determines the linear air discharge starting point and the linear air discharge end point of the first test loop, and the second detection module determines the linear air discharge starting point and the linear air discharge end point of the second test loop, specifically:
when the third pressure sensor detects that the first test circuit reaches a first pressure value during air exhaust, the linear air exhaust starting point of the first test circuit is defined;
when the fourth pressure sensor detects that the first test circuit reaches a second pressure value during air exhaust, a linear air exhaust terminal point of the first test circuit is defined;
when the fifth pressure sensor detects that the second test circuit reaches a third pressure value during air exhaust, the linear air exhaust starting point of the second test circuit is defined;
and when the fourth pressure sensor detects that the first test circuit reaches a fourth pressure value during air exhaust, defining the linear air exhaust terminal point of a second test circuit, wherein the first pressure value is equal to the third pressure value, and the second pressure value is equal to the fourth pressure value.
8. The detection apparatus for determining the water outlet effect of the distributed small holes based on the exhaust time according to claim 7, wherein the step of generating the air release time difference according to the linear air release starting point and the linear air release end point of the first test loop and the linear air release starting point and the linear air release end point of the second test loop, and determining the water outlet effect of the distributed small holes of the workpiece to be detected according to the air release time difference specifically comprises:
acquiring a first time period from a linear deflation starting point to a linear deflation end point of the first test loop and a second time period from the linear deflation starting point to the linear deflation end point of the second test loop;
generating an air bleeding time difference according to the first time period and the second time period, and judging whether the air bleeding time difference is smaller than a preset value;
if so, defining the water outlet result of the distributed small holes of the workpiece to be detected as qualified;
if not, defining the water outlet result of the distributed small holes of the workpiece to be detected as unqualified.
9. The detection apparatus for determining the water outlet effect of the distributed small holes based on the exhaust time as claimed in claim 1, further comprising: a touch screen;
wherein the touch screen is electrically connected with the controller.
10. The detection device for determining the water outlet effect of the distributed small holes based on the exhaust time as claimed in claim 1, wherein the controller is a PLC controller.
CN202210749948.1A 2022-06-29 2022-06-29 Detection device for determining distributed small hole water outlet effect based on exhaust time Active CN115014744B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210749948.1A CN115014744B (en) 2022-06-29 2022-06-29 Detection device for determining distributed small hole water outlet effect based on exhaust time

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210749948.1A CN115014744B (en) 2022-06-29 2022-06-29 Detection device for determining distributed small hole water outlet effect based on exhaust time

Publications (2)

Publication Number Publication Date
CN115014744A true CN115014744A (en) 2022-09-06
CN115014744B CN115014744B (en) 2024-05-31

Family

ID=83079221

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210749948.1A Active CN115014744B (en) 2022-06-29 2022-06-29 Detection device for determining distributed small hole water outlet effect based on exhaust time

Country Status (1)

Country Link
CN (1) CN115014744B (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004278690A (en) * 2003-03-17 2004-10-07 Nissan Diesel Motor Co Ltd Method and device for inspecting working pressure of vent valve
DE102013221453A1 (en) * 2013-10-23 2015-04-23 Conti Temic Microelectronic Gmbh Regulation of a hydraulic pressure of a flow gear
CN108458859A (en) * 2017-12-29 2018-08-28 广州市上腾电子科技有限公司 A kind of discharge coefficient test system and method
CN214793772U (en) * 2021-06-29 2021-11-19 厦门市卫士达机电设备有限公司 Shower head testing device
CN113959654A (en) * 2021-10-22 2022-01-21 厦门理工学院 Air tightness testing device and method

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004278690A (en) * 2003-03-17 2004-10-07 Nissan Diesel Motor Co Ltd Method and device for inspecting working pressure of vent valve
DE102013221453A1 (en) * 2013-10-23 2015-04-23 Conti Temic Microelectronic Gmbh Regulation of a hydraulic pressure of a flow gear
CN108458859A (en) * 2017-12-29 2018-08-28 广州市上腾电子科技有限公司 A kind of discharge coefficient test system and method
CN214793772U (en) * 2021-06-29 2021-11-19 厦门市卫士达机电设备有限公司 Shower head testing device
CN113959654A (en) * 2021-10-22 2022-01-21 厦门理工学院 Air tightness testing device and method

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
刘春;胡建平;郭磊;侯波;: "基于PLC控制的气密检测仪的设计原理", 机械设计与制造, no. 06, 8 June 2011 (2011-06-08), pages 238 - 240 *

Also Published As

Publication number Publication date
CN115014744B (en) 2024-05-31

Similar Documents

Publication Publication Date Title
CN105258867A (en) Gas tightness detection system
US10203263B2 (en) Air-tightness test equipment for turbine reduction gearbox
AU2015275112B2 (en) Automatic pressure-adjusting leak detecting apparatus and method
US5898108A (en) Evaporative emission tester
US4449392A (en) Device for testing filters, particularly sterile filters
US5579244A (en) Pressure controller
CN203203767U (en) Leakage test system
CN101424596A (en) Calibration stand and calibration method for SF6 gas density and pressure monitoring device
CN106197558B (en) A kind of valve state on-line monitoring system and its working method
CN110170426B (en) Precise dispensing controller and dispensing control method thereof
US20090114035A1 (en) Testing Device for High Pressure Injectors of a Common Rail Injection System, and Method for Testing High Pressure Injectors
CN108627308A (en) From high-pressure air source to the inflation method of workpiece, air charging system and differential pressure air-leakage detector
CN217505187U (en) Detection apparatus for confirm distributing type aperture play water effect based on exhaust time
CN110296070A (en) A kind of automobile air suspension system inflator pump automatic checkout system
CN115014744A (en) Detection apparatus for confirm distributing type aperture goes out water effect based on exhaust time
CN103424431A (en) Device and method for quickly detecting rice mildewing
CN201297986Y (en) Calibration stand of SF* gas density-pressure monitoring device
CN105067202A (en) Electromechanical valve tightness intelligent detection device and detection method thereof
CN1299104C (en) Automatic pressure measuring device and method
CN115014742B (en) Detection device for determining distributed small hole water outlet effect based on pressure difference
CN218956065U (en) Detection device for determining distributed small hole water outlet effect based on pressure difference
KR20140108968A (en) Apparatus for crack detection of contact unit of electronic device and system for performance test system having thesame
SE521186C2 (en) Method and apparatus for testing the cleaning efficiency of a filter in a filter system
DE4226082A1 (en) Monitoring sensors which produce electrical analog signals - comparing fluctuations of sensor signals with plausible fluctuations due to observes process
JP2004278690A (en) Method and device for inspecting working pressure of vent valve

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant