CN113776800A - Electric switching valve detection device and method thereof - Google Patents
Electric switching valve detection device and method thereof Download PDFInfo
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- CN113776800A CN113776800A CN202111033358.0A CN202111033358A CN113776800A CN 113776800 A CN113776800 A CN 113776800A CN 202111033358 A CN202111033358 A CN 202111033358A CN 113776800 A CN113776800 A CN 113776800A
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Abstract
The invention discloses a detection device and a detection method for an electric switching valve, and relates to the technical field of electric valve detection. The device comprises a driving module, an electric switching valve, a blowing module and a checking module; the driving module is respectively electrically connected with the electric switching valve and the air blowing module and controls the rotation switching of the electric switching valve and the switch of the air blowing module; the interface a of the air blowing module is connected with an air inlet pipe A of the electric switching valve; and an air outlet pipe B, an air outlet pipe C and an air outlet pipe D of the electric switching valve are respectively connected with an interface B, an interface C and an interface D of the inspection module. The air outlet pipes of the electric switching valve are detected by arranging the driving module, the electric switching valve, the air blowing module and the inspection module in a matching manner; through verifying the sensor data of the inspection module, whether each action state of the electric switching valve is qualified is judged, the inspection process does not need manual participation, the reliability and the high efficiency of detection can be ensured, the detection efficiency is improved, and the ex-factory qualification rate of products is greatly improved.
Description
Technical Field
The invention belongs to the technical field of electric valve detection, and particularly relates to a device and a method for detecting an electric switching valve.
Background
At present, the electric switching valve is widely applied to multi-system refrigerator products, and the on-off control of each pipeline of the electric switching valve needs to be subjected to factory inspection after the electric switching valve is produced. The general electric switching valve for the refrigerator is mostly used in a state of one inlet and two outlets (one air inlet pipe and two air outlet pipes) and a state of one inlet and three outlets (one air inlet pipe and three air outlet pipes). Whether the working state of the electric switching valve meets the design requirements under different working conditions is checked, and the on-off state between the air inlet pipe and the air outlet pipe needs to be detected under different working conditions. At present, the detection equipment and the control method which are relatively efficient are unavailable, the detection efficiency is low, and the factory quality of products cannot be guaranteed to be qualified.
The existing detection method is manual detection, the on-off state between the air inlet pipe and the air outlet pipe of each working state of the electric switching valve is detected item by item through a simple tool, the efficiency is low, and the large-batch detection cannot be realized.
Disclosure of Invention
The invention aims to provide a device and a method for detecting an electric switching valve, wherein each air outlet pipe of the electric switching valve is detected by arranging a driving module, the electric switching valve, an air blowing module and a detection module for matching; through verifying the sensor data of the inspection module, whether each action state of the electric switching valve is qualified is judged, the inspection process does not need manual participation, the reliability and the high efficiency of detection can be ensured, the detection efficiency is improved, and the ex-factory qualification rate of products is greatly improved.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a detection device of an electric switching valve, which comprises a driving module, the electric switching valve, an air blowing module and a detection module; the driving module is respectively electrically connected with the electric switching valve and the air blowing module, and controls the rotation switching of the electric switching valve and the switch of the air blowing module; the interface a of the blowing module is connected with an air inlet pipe A of the electric switching valve; and an air outlet pipe B, an air outlet pipe C and an air outlet pipe D of the electric switching valve are respectively connected with an interface B, an interface C and an interface D of the inspection module.
Further, the driving module transmits a pulse signal to the electric switching valve; and the electric switching valve controls the on-off of the air outlet pipe B, the air outlet pipe C and the air outlet pipe D according to the received pulse signals.
Furthermore, a pressure sensor is arranged in each of the interface b, the interface c and the interface d of the inspection module; the pressure sensor transmits a signal to a controller.
Furthermore, an indicator light and a buzzer alarm are arranged on the inspection module; the indicator lamps comprise a red indicator lamp and a green indicator lamp; the controller controls the on and off of the indicator light and the switch of the buzzer alarm according to the signal transmitted by the pressure sensor.
A detection method of an electric switching valve comprises the following steps:
stp1, opening a drive module switch, and sending a 16-pulse action instruction to the electric switching valve and sending a signal to the blowing module by the drive module;
the Stp2 and the electric switching valve receive a 16-pulse action command, execute a rotation action, open the air outlet pipe C and close the air outlet pipe B, D;
the Stp3 and the blowing module receive signals sent by the driving module, delay 5 seconds, start the blowing action on the air inlet pipe A of the electric switching valve and last for 5 seconds;
the Stp4 and the pressure sensor behind the interface c of the inspection module are in contact with the airflow, the numerical value is rapidly increased, and meanwhile, the pressure sensors behind the interface b and the interface d of the inspection module have no obvious airflow and the numerical value is basically unchanged;
the controller judges whether the pressure sensor data of the interface b, the interface c and the interface d of the inspection module meet the conditions; if not, judging that the action of the electric switching valve does not meet the design requirement, judging that the electric switching valve is unqualified, lighting a red indicator lamp for 2 seconds, simultaneously alarming for 2 seconds, and finishing detection;
stp5, if the Stp5 is satisfied, the driving module sends 32 pulses to the electric switching valve and sends signals to the blowing module at the same time;
the Stp6 and the electric switching valve receive a 32-pulse working instruction, and execute a rotating action, the air outlet pipe D is opened, and the air outlet pipe B, C is closed;
the Stp7 and the blowing module receive signals sent by the driving module, delay 5 seconds, start the blowing action of the air inlet pipe of the electric switching valve and continue for 5 seconds;
the Stp8 and the pressure sensor behind the interface d of the inspection module are in contact with the airflow, the numerical value is rapidly increased, and meanwhile, the pressure sensor behind the interfaces b and c of the inspection module has no obvious airflow and the numerical value is basically unchanged;
the controller judges whether the pressure sensor data of the interface b, the interface c and the interface d of the inspection module meet the conditions; if not, judging that the action of the electric switching valve does not meet the design requirement, judging that the electric switching valve is unqualified, lighting a red indicator lamp for 2 seconds, simultaneously alarming for 2 seconds, and finishing detection;
stp9, if the Stp9 is satisfied, the driving module sends 48 pulses to the electric switching valve and sends signals to the air blowing module;
the Stp10 and the electric switching valve receive 48 pulse working instructions, rotate, open the air outlet pipe B and close the air outlet pipe C, D;
the Stp11 and the blowing module receive signals sent by the driving module, delay 5 seconds, start the blowing action of the air inlet pipe of the electric switching valve and continue for 5 seconds;
the pressure sensors behind the Stp12 and the inspection module b interface contact the airflow, the numerical value rises rapidly, and meanwhile, the pressure sensors behind the c and d interfaces have no obvious airflow and the numerical value is basically unchanged;
the controller judges whether the pressure sensor data of the interface b, the interface c and the interface d of the inspection module meet the conditions; if not, judging that the action of the electric switching valve does not meet the design requirement, judging that the electric switching valve is unqualified, lighting a red indicator lamp for 2 seconds, simultaneously alarming for 2 seconds, and finishing detection; if the signal is in accordance with the preset signal, the action of the electric switching valve is judged to be in accordance with the design requirement, the signal is qualified, and the green indicator light is turned on for 2 seconds.
The invention has the following beneficial effects:
the air outlet pipes of the electric switching valve are detected by arranging the driving module, the electric switching valve, the air blowing module and the inspection module in a matching manner; through verifying the sensor data of the inspection module, whether each action state of the electric switching valve is qualified is judged, the inspection process does not need manual participation, the reliability and the high efficiency of detection can be ensured, the detection efficiency is improved, and the ex-factory qualification rate of products is greatly improved.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a system block diagram of an electrical switching valve detection apparatus;
FIG. 2 is a schematic structural diagram of the electric switching valve;
FIG. 3 is a schematic structural diagram of the air blowing module;
FIG. 4 is a system block diagram of a verification module;
fig. 5 is a flowchart of a method for detecting an electric switching valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
referring to fig. 1-4, the present invention is an electric switching valve detection apparatus, including a driving module 1, an electric switching valve 2, a blowing module 3 and a checking module 4; the driving module 1 is respectively electrically connected with the electric switching valve 2 and the air blowing module 3, and the driving module 1 controls the rotation switching of the electric switching valve 2 and the switch of the air blowing module 3; the driving module 1 transmits a pulse signal to the electric switching valve 2; the electric switching valve 2 controls the on-off of the air outlet pipe B, the air outlet pipe C and the air outlet pipe D according to the received pulse signals;
the interface a of the blowing module 3 is connected with an air inlet pipe A of the electric switching valve 2; the air blowing module 3 blows air to an air inlet pipe A of the electric switching valve 2; an air outlet pipe B, an air outlet pipe C and an air outlet pipe D of the electric switching valve 2 are respectively connected with an interface B, an interface C and an interface D of the inspection module;
a pressure sensor is arranged in the interface b, the interface c and the interface d of the inspection module 4; the pressure sensor transmits a signal to the controller, and the inspection module 4 is provided with an indicator light and a buzzer alarm; the indicator lamps comprise a red indicator lamp and a green indicator lamp; the controller controls the on and off of the indicator light and the switch of the buzzer alarm according to the signal transmitted by the pressure sensor.
Example two:
as shown in fig. 5, a method for detecting an electric switching valve includes the following steps:
stp1, opening a switch of a driving module 1, and sending a 16-pulse action instruction to an electric switching valve 2 and sending a signal to an air blowing module 3 by the driving module 1;
the Stp2 and the electric switching valve 2 receive a 16-pulse action command, execute a rotation action, open the air outlet pipe C and close the air outlet pipe B, D;
the Stp3 and the air blowing module 3 receive signals sent by the driving module 1, delay for 5 seconds, and start the air blowing action on the air inlet pipe A of the electric switching valve 1 for 5 seconds;
the Stp4 and the pressure sensor behind the interface c of the inspection module 4 are in contact with the airflow, the numerical value is rapidly increased, meanwhile, the pressure sensors behind the interface b and the interface d of the inspection module 4 have no obvious airflow, and the numerical value is basically unchanged;
the controller judges whether the pressure sensor data of the interface b, the interface c and the interface d of the inspection module 4 meet the conditions; if not, judging that the action of the electric switching valve 2 does not meet the design requirement, judging that the action is not qualified, lighting the red indicator lamp for 2 seconds and alarming for 2 seconds at the same time, and ending the detection;
stp5, if the Stp5 is satisfied, the driving module 1 sends 32 pulses to the electric switching valve 2 and sends signals to the blowing module 3 at the same time;
the Stp6 and the electric switching valve 2 receive the 32-pulse working instruction, and execute the rotation action, the air outlet pipe D is opened, and the air outlet pipe B, C is closed;
the Stp7 and the air blowing module 3 receive signals sent by the driving module 1, delay 5 seconds, start the air blowing action of the air inlet pipe of the electric switching valve 2, and last for 5 seconds;
the Stp8 and the pressure sensor behind the interface d of the inspection module 4 are in contact with the airflow, the numerical value is rapidly increased, and meanwhile, the pressure sensors behind the interfaces b and c of the inspection module 4 have no obvious airflow and the numerical value is basically unchanged;
the controller judges whether the pressure sensor data of the interface b, the interface c and the interface d of the inspection module 4 meet the conditions; if not, judging that the action of the electric switching valve 2 does not meet the design requirement, judging that the action is not qualified, lighting the red indicator lamp for 2 seconds and alarming for 2 seconds at the same time, and ending the detection;
stp9, if the Stp9 is satisfied, the driving module 1 sends 48 pulses to the electric switching valve 2 and sends signals to the blowing module 3 at the same time;
stp10 and the electric switching valve 2 receive 48 pulse working instructions, and execute rotation action, the air outlet pipe B is opened, and the air outlet pipe C, D is closed;
the Stp11 and the air blowing module 3 receive signals sent by the driving module 1, delay 5 seconds, start the air blowing action of the air inlet pipe of the electric switching valve 2, and last for 5 seconds;
the pressure sensors behind the interfaces of the Stp12 and the inspection module 4b are in contact with the airflow, the numerical value is rapidly increased, and meanwhile, the pressure sensors behind the interfaces c and d have no obvious airflow and the numerical value is basically unchanged;
the controller judges whether the pressure sensor data of the interface b, the interface c and the interface d of the inspection module 4 meet the conditions; if not, judging that the action of the electric switching valve 2 does not meet the design requirement, judging that the action is not qualified, lighting the red indicator lamp for 2 seconds and alarming for 2 seconds at the same time, and ending the detection; if the signal is in accordance with the preset signal, the action of the electric switching valve 2 is judged to be in accordance with the design requirement, the signal is qualified, and the green indicator light is turned on for 2 seconds.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (5)
1. The detection device of the electric switching valve is characterized by comprising a driving module (1), the electric switching valve (2), an air blowing module (3) and a detection module (4);
the driving module (1) is respectively electrically connected with the electric switching valve (2) and the air blowing module (3), and the driving module (1) controls the rotation switching of the electric switching valve (2) and the opening and closing of the air blowing module (3);
the interface a of the blowing module (3) is connected with an air inlet pipe A of the electric switching valve (2); and an air outlet pipe B, an air outlet pipe C and an air outlet pipe D of the electric switching valve (2) are respectively connected with an interface B, an interface C and an interface D of the inspection module.
2. An electric switching valve detection apparatus according to claim 1, characterized in that the drive module (1) transmits a pulse signal to the electric switching valve (2); and the electric switching valve (2) controls the on-off of the air outlet pipe B, the air outlet pipe C and the air outlet pipe D according to the received pulse signals.
3. The detection device of the electric switching valve according to claim 1, characterized in that a pressure sensor is installed in the interface b, the interface c and the interface d of the inspection module (4); the pressure sensor transmits a signal to a controller.
4. The detection device of the electric switching valve according to claim 3, characterized in that an indicator light and a buzzer alarm are arranged on the inspection module (4); the indicator lamps comprise a red indicator lamp and a green indicator lamp; the controller controls the on and off of the indicator light and the switch of the buzzer alarm according to the signal transmitted by the pressure sensor.
5. The method for detecting an electric changeover valve according to any one of claims 1 to 4, characterized by comprising the steps of:
stp1, opening a switch of a driving module (1), and sending a 16-pulse action command to an electric switching valve (2) and sending a signal to an air blowing module (3) by the driving module (1);
the Stp2 and the electric switching valve (2) receive a 16-pulse action command, execute a rotation action, open the air outlet pipe C and close the air outlet pipe B, D;
the Stp3 and the air blowing module (3) receive signals sent by the driving module (1), delay for 5 seconds, start the air blowing action on the air inlet pipe A of the electric switching valve (1) and continue for 5 seconds;
the Stp4 and the pressure sensor behind the interface c of the inspection module (4) are in contact with the airflow, the numerical value rises rapidly, and meanwhile, the pressure sensors behind the interface b and the interface d of the inspection module (4) have no obvious airflow and the numerical value is basically unchanged;
the controller judges whether the pressure sensor data of the interface b, the interface c and the interface d of the inspection module (4) meet the conditions; if not, judging that the action of the electric switching valve (2) does not meet the design requirement, if not, judging that the action of the electric switching valve is not qualified, lighting the red indicator lamp for 2 seconds and simultaneously alarming for 2 seconds, and finishing the detection;
stp5, if the Stp5 is satisfied, the driving module (1) sends 32 pulses to the electric switching valve (2) and sends signals to the air blowing module (3) at the same time;
the Stp6 and the electric switching valve (2) receive the 32-pulse working instruction, execute the rotation action, open the air outlet pipe D and close the air outlet pipe B, C;
the Stp7 and the air blowing module (3) receive signals sent by the driving module (1), delay for 5 seconds, start the air blowing action on the air inlet pipe of the electric switching valve (2), and last for 5 seconds;
the Stp8 and the pressure sensor behind the interface d of the inspection module (4) are contacted with the airflow, the numerical value is rapidly increased, and meanwhile, the pressure sensor behind the interfaces b and c of the inspection module (4) has no obvious airflow and the numerical value is basically unchanged;
the controller judges whether the pressure sensor data of the interface b, the interface c and the interface d of the inspection module (4) meet the conditions; if not, judging that the action of the electric switching valve (2) does not meet the design requirement, if not, judging that the action of the electric switching valve is not qualified, lighting the red indicator lamp for 2 seconds and simultaneously alarming for 2 seconds, and finishing the detection;
stp9, if the Stp9 is matched with the standard, the driving module (1) sends 48 pulses to the electric switching valve (2) and sends signals to the air blowing module (3) at the same time;
stp10 and the electric switching valve (2) receive 48 pulse working instructions, execute rotation action, open the air outlet pipe B and close the air outlet pipe C, D;
the Stp11 and the air blowing module (3) receive signals sent by the driving module (1), delay for 5 seconds, start the air blowing action on the air inlet pipe of the electric switching valve (2), and last for 5 seconds;
the pressure sensor at the interface of the Stp12 and the inspection module (4) b is contacted with the airflow, the numerical value is rapidly increased, and meanwhile, the pressure sensor at the interface of the c and the d has no obvious airflow and the numerical value is basically unchanged;
the controller judges whether the pressure sensor data of the interface b, the interface c and the interface d of the inspection module (4) meet the conditions; if not, judging that the action of the electric switching valve (2) does not meet the design requirement, if not, judging that the action of the electric switching valve is not qualified, lighting the red indicator lamp for 2 seconds and simultaneously alarming for 2 seconds, and finishing the detection; if the signal is in accordance with the preset signal, the action of the electric switching valve (2) is determined to be in accordance with the design requirement, the signal is qualified, and the green indicator light is turned on for 2 seconds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111033358.0A CN113776800A (en) | 2021-09-03 | 2021-09-03 | Electric switching valve detection device and method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111033358.0A CN113776800A (en) | 2021-09-03 | 2021-09-03 | Electric switching valve detection device and method thereof |
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| CN113776800A true CN113776800A (en) | 2021-12-10 |
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| CN202111033358.0A Pending CN113776800A (en) | 2021-09-03 | 2021-09-03 | Electric switching valve detection device and method thereof |
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| CN107180982A (en) * | 2016-03-09 | 2017-09-19 | 本田技研工业株式会社 | Detect the method and fuel cell system of fuel cell system |
| CN108061193A (en) * | 2018-01-16 | 2018-05-22 | 佛山市啟盛卫生用品有限公司 | A kind of solenoid valve failure detection device for pneumatic system |
| CN109975007A (en) * | 2017-12-26 | 2019-07-05 | 新智数字科技有限公司 | Valve detection method and system |
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2021
- 2021-09-03 CN CN202111033358.0A patent/CN113776800A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1018920A (en) * | 1996-07-05 | 1998-01-20 | Mazda Motor Corp | Failure diagnosing device for exhaust gas reflux control device |
| CN2519908Y (en) * | 2000-10-20 | 2002-11-06 | 程路 | Regulating-valve fault intelligent detecting and analysizing instrument |
| JP2004095425A (en) * | 2002-09-02 | 2004-03-25 | Nissan Motor Co Ltd | Failure diagnostic system of supply switching valve |
| CN201089795Y (en) * | 2007-08-20 | 2008-07-23 | 中芯国际集成电路制造(上海)有限公司 | Reversing arrangement having shut unclosed prompt facility |
| CN103675542A (en) * | 2013-12-06 | 2014-03-26 | 四川长虹电器股份有限公司 | Automatic detection system of electric changeover valve of refrigerator |
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