CN113804990B - Low-voltage direct-current electromagnetic valve fault judging and detecting tool - Google Patents
Low-voltage direct-current electromagnetic valve fault judging and detecting tool Download PDFInfo
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- CN113804990B CN113804990B CN202010539235.3A CN202010539235A CN113804990B CN 113804990 B CN113804990 B CN 113804990B CN 202010539235 A CN202010539235 A CN 202010539235A CN 113804990 B CN113804990 B CN 113804990B
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- power supply
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- fault judging
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- 238000001514 detection method Methods 0.000 claims abstract description 57
- 230000002159 abnormal effect Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B19/00—Testing; Calibrating; Fault detection or monitoring; Simulation or modelling of fluid-pressure systems or apparatus not otherwise provided for
- F15B19/005—Fault detection or monitoring
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Magnetically Actuated Valves (AREA)
- Indication Of The Valve Opening Or Closing Status (AREA)
Abstract
The invention relates to a fault judging and detecting tool for a low-voltage direct-current electromagnetic valve, which comprises a fault judging device, a charging power supply device and a circuit detecting device, wherein the fault judging device and the circuit detecting device are connected with the charging power supply device, and a selection switch, a socket of the fault judging device and a telescopic detecting rod are arranged on the fault judging device. By the application of the scheme, the solenoid valve coil and the control voltage value can be clearly detected, and the electric and hydraulic faults can be rapidly diagnosed; the detection tool is suitable for detecting various direct-current electromagnetic valve lines, and has the advantages of time saving, accuracy in detection, good use efficiency and stability.
Description
Technical Field
The invention relates to a detection tool, in particular to a low-voltage direct current electromagnetic valve fault judging and detecting tool, and belongs to the field of electrohydraulic control valve detection.
Background
The underground mining equipment of the Meishan mining company adopts electrohydraulic integrated control, and the quality of the electromagnetic valve depends on two aspects: the second coil is a valve body, namely an electrical or hydraulic fault; the existing electromagnetic valve quality detection is divided into two steps, firstly, the voltage of a universal meter voltage measurement plug is adopted to judge whether the electromagnetic valve is good or bad, as the electromagnetic valve plug has small holes, the electromagnetic valve plug cannot be directly used for detecting the voltage and the circuit quality by using a universal meter, fine copper wires are needed to be inserted into the holes during each maintenance, and then the universal meter rod is used for contacting the fine copper wires for detection, so that time is wasted and errors are easy to occur; the second step adopts the universal meter resistance to measure solenoid valve coil resistance, can judge the coil through the resistance size, but the solenoid valve coil uses after a period of time in the actual production and the resistance is the change, but can satisfy the production requirement, and secondly present solenoid valve is many all as an organic wholes shape different, and current method just can not detect, and the mounted position coil of valve all is difficult to dismantle and detects, so a quick judgement solenoid valve trouble and detection tool is urgently needed.
Disclosure of Invention
The invention provides a low-voltage direct-current electromagnetic valve fault judging and detecting tool aiming at the problems in the prior art, and the technical scheme is that the tool which can accurately judge the fault type of an electromagnetic valve and accurately display the coil resistance value and the power supply voltage of the electromagnetic valve can be realized by only using one detecting tool under the condition that the electromagnetic valve in equipment is not dismantled.
In order to achieve the above object, the present invention provides a low-voltage dc solenoid valve fault determination detection tool, which includes a fault determination device, a charging power supply device, and a circuit detection device, wherein the fault determination device and the circuit detection device are connected with the charging power supply device.
As an improvement of the invention, the fault judging device is provided with a selection switch, a fault judging device socket and a telescopic detecting rod.
As an improvement of the invention, the charging power supply device comprises a DC24V chargeable power supply, a charging socket and an output plug are arranged on the surface of the charging power supply device, and the socket of the fault judging device is connected with the output plug.
As an improvement of the invention, the circuit detection device comprises a circuit detection socket, a resistance display, a voltage detection plug and a resistance detection socket, wherein the socket of the circuit detection device is connected with a power output plug, and a coil resistance value can be displayed on the resistance display when a solenoid valve coil is respectively connected with the resistance detection socket; the original socket wire of the electromagnetic valve is connected with the voltage detection plug, so that the voltage value of the equipment can be displayed on the voltage display.
The fault judging device is also internally provided with a positive pulse diode and a negative pulse diode, and the positive electrode of the DC24V power supply is connected with the selection switch; the negative electrode of the DC24V power supply is connected with the lower end of the solenoid valve coil, and the upper end of the selector switch is connected with the positive pulse diode; the lower end of the selection switch is connected with the negative pulse diode; the solenoid coil is energized only when the upper end of the selector switch is connected to the positive pulse diode.
The detection method comprises the following steps: firstly, a fault judging device is connected with a DC24V chargeable power supply, then a detection circuit is connected to two ends of an electromagnetic valve coil, the detection circuit is contacted with the electromagnetic valve coil through telescopic detection, whether a suction force exists or not is observed, whether a valve core acts or not is judged, if the suction force does not exist, the valve core acts as an electrical fault, and if the suction force exists, the valve core does not act as a mechanical (hydraulic) fault, the valve core needs to be cleaned, and a hydraulic loop is checked. The socket of the circuit detection device is connected with a DC24V chargeable power supply through electrical faults, and then the electromagnetic valve plug is pulled out to be respectively connected with the plug and the socket on the detection device, so that the coil resistance value of the electromagnetic valve is displayed on the resistance digital display; the voltage digital display displays the supply voltage. Checking the power supply line if there is no voltage display; if the resistance value is abnormal, the solenoid valve coil needs to be replaced, so that the electrical fault is eliminated.
Compared with the prior art, the invention has the advantages that 1) through the application of the patent, the solenoid valve coil and the control voltage value can be clearly detected, and the electric and hydraulic faults can be rapidly diagnosed; 2) The detection tool is suitable for detecting various direct-current electromagnetic valve lines, and has the advantages of time saving, accuracy in detection, good use efficiency and stability; 3) The detection tool has the advantages of small structure, convenient carrying, convenient use, wide application range and high popularization and application value.
Drawings
FIG. 1 is a schematic diagram of a solenoid valve inspection tool;
FIG. 2 is a schematic diagram of the solenoid valve detection tool circuit principle;
FIG. 3 is a solenoid valve fault handling state diagram;
in the figure: 1. a charging socket; 2. a rechargeable power supply DC24V; 3. an output plug; 4. a fault determination device receptacle; 5. a failure judgment device; 6. a retractable test lever; 7. a selection switch; 8. externally connecting a detection circuit; 9. a circuit detection socket; 10. a circuit detection device; 11. a resistive display; 12. a voltage display; 13. a voltage detection plug; 14. a resistance detection socket; 15. solenoid valve coil, 16, positive pulse diode; 17. a negative pulse diode.
The specific embodiment is as follows:
in order to enhance the understanding of the present invention, the present embodiment will be described in detail with reference to the accompanying drawings.
Example 1: referring to fig. 1, a low-voltage direct-current electromagnetic valve fault judging and detecting tool comprises a fault judging device 5, a charging power supply device and a circuit detecting device 10, wherein the fault judging device 5 and the circuit detecting device 10 are connected with the charging power supply device, a selection switch 7, a fault judging device socket 4 and a telescopic detecting rod 6 are arranged on the fault judging device 5, the charging power supply device comprises a DC24V chargeable power supply 2, a charging socket 1 and an output plug 3 are arranged on the surface of the charging power supply device, the fault judging device socket 4 is connected with the output plug 3, the circuit detecting device comprises a circuit detecting socket 9, a resistance display 11, a voltage display 12, a voltage detecting plug 13 and a resistance detecting socket 14, the socket 9 of the circuit detecting device 10 is connected with the power supply output plug 3, and a coil resistance value can be displayed on the resistance display 11 when the electromagnetic valve coil is connected with the resistance detecting socket 14 respectively; the original socket wire of the electromagnetic valve is connected with the voltage detection plug 13, so that the voltage value of the equipment can be displayed on the voltage display 12. When the electromagnetic valve fault type detection device is used, the fault judging device is connected with a power supply, the detection circuit is connected to the electromagnetic valve coil, the telescopic detection rod is used for contacting the electromagnetic valve coil, the electromagnetic valve fault type is judged according to the suction force, the hydraulic fault is caused when the suction force exists, and the electric fault is caused when the suction force does not exist. The electromagnetic valve plug is pulled down, the electromagnetic valve coil and the power socket are respectively connected with the plug and the socket on the circuit detection device, the circuit detection device is connected with the power supply, and the resistance digital display meter and the voltage digital display meter can accurately display the coil resistance value of the electromagnetic valve and the power supply voltage.
The working process comprises the following steps: referring to fig. 1-3, a solenoid valve fault judging and detecting tool can rapidly display solenoid valve coil values and rapidly display solenoid valve power supply voltages. The battery used by the detection tool is a 24VDC rechargeable power supply, and the detection tool is integrally designed as shown in fig. 1 and 2:
in fig. 1, a DC24V rechargeable power supply 2 is provided with a charging socket 1 and an output plug 3 on the surface. The socket 4 of the fault judging device 5 is connected with the power output plug 3, the external detection circuit 8 is connected with the solenoid valve coil, the selection switch 7 on the fault judging device 5 is used for being connected with a circuit in the device, the telescopic detection rod 6 is contacted with the solenoid valve coil, if the suction force exists, the mechanical (hydraulic) fault can be judged, and if the suction force does not exist, the electrical fault can be judged. The socket 4 of the failure determination device 5 is disconnected from the power output plug 3. The electrical fault is detected by using the circuit detection device 10, the socket 9 of the circuit detection device 10 is connected with the power output plug 3, and the resistance value of the coil can be displayed on the resistance display 11 by respectively connecting the solenoid valve coil with the resistance detection socket 14; the original socket wire of the electromagnetic valve is connected with the voltage detection plug 13, so that the voltage value of the equipment can be displayed on the voltage display 12
In fig. 2, the positive pole of the DC24V power supply 2 is connected to the selection switch 7; the negative pole of the DC24V power supply 2 is connected with the lower end of the solenoid valve coil 15. The upper end of the selection switch 7 is connected with a positive pulse diode 16; the lower end of the selection switch 7 is connected with a negative pulse diode 17; only when the upper end of the selector switch 7 is connected with the positive pulse diode 16, the solenoid 15 is energized.
In fig. 3, nine steps are taken from the beginning to the end, wherein the fifth step is to judge the fault type of the electromagnetic valve, and the latter steps are processed according to the fault type. Firstly, a fault judging device 5 is connected with a DC24V chargeable power supply 2, then a detection circuit 8 is connected to two ends of a solenoid valve coil 19, a telescopic detection rod 6 is used for touching the solenoid valve coil 15 to observe whether suction exists or not, whether a valve core acts or not, if not, the valve core is in an electrical fault, and if not, the valve core is in a mechanical (hydraulic) fault, the valve core needs to be cleaned, and a hydraulic loop is checked.
The socket 4 of the circuit detection device 10 is connected with the DC24V chargeable power supply 2 in the electric fault, and then the plug of the electromagnetic valve is pulled out to be respectively connected with the plug and the socket on the detection device, so that the coil resistance value of the electromagnetic valve is displayed on the resistance digital display; the voltage digital display displays the supply voltage. Checking the power supply line if there is no voltage display; if the resistance value is abnormal, the solenoid valve coil needs to be replaced, so that the electrical fault is eliminated.
It should be noted that the above-mentioned embodiments are not intended to limit the scope of the present invention, and equivalent changes or substitutions made on the basis of the above-mentioned technical solutions fall within the scope of the present invention as defined in the claims.
Claims (2)
1. The utility model provides a low-voltage direct current solenoid valve fault judging and detecting tool which is characterized in that the detecting tool comprises a fault judging device, a charging power supply device and a circuit detecting device, wherein the fault judging device and the circuit detecting device are connected with the charging power supply device, a selection switch, a fault judging device socket and a telescopic detecting rod are arranged on the fault judging device, the charging power supply device comprises a DC24V chargeable power supply, a charging socket and an output plug are arranged on the surface of the charging power supply device, the fault judging device socket is connected with the output plug, the circuit detecting device comprises a circuit detecting socket, a resistance display, a voltage detecting plug and a resistance detecting socket, the socket of the circuit detecting device is connected with the power supply output plug, and a coil resistance value can be displayed on the resistance display when the solenoid valve coil is connected with the resistance detecting socket respectively; the original socket wire of the electromagnetic valve is connected with the voltage detection plug, so that the voltage value of the equipment can be displayed on the voltage display, a positive pulse diode and a negative pulse diode are also arranged in the fault judging device, and the positive electrode of the DC24V power supply is connected with the selection switch; the negative electrode of the DC24V power supply is connected with the lower end of the solenoid valve coil, and the upper end of the selector switch is connected with the positive pulse diode; the lower end of the selection switch is connected with the negative pulse diode; the solenoid coil is energized only when the upper end of the selector switch is connected to the positive pulse diode.
2. The detection method using the low-voltage direct current electromagnetic valve fault judging and detecting tool according to claim 1, characterized in that the detection method comprises the following steps: firstly, connecting a fault judging device with a DC24V chargeable power supply, connecting a detection circuit at two ends of a solenoid valve coil, touching the solenoid valve coil by a telescopic detection rod, observing whether a suction exists or not, if the suction exists, the valve core is in an electrical fault, if the suction exists, the valve core is in a mechanical fault, and the valve core needs to be cleaned and a hydraulic loop is checked; the socket of the circuit detection device is connected with a DC24V chargeable power supply through electrical faults, and then the electromagnetic valve plug is pulled out to be respectively connected with the plug and the socket on the detection device, so that the coil resistance value of the electromagnetic valve is displayed on the resistance digital display; displaying a supply voltage on a voltage digital display; checking the power supply line if there is no voltage display; if the resistance value is abnormal, the solenoid valve coil needs to be replaced, so that the electrical fault is eliminated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010539235.3A CN113804990B (en) | 2020-06-14 | 2020-06-14 | Low-voltage direct-current electromagnetic valve fault judging and detecting tool |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010539235.3A CN113804990B (en) | 2020-06-14 | 2020-06-14 | Low-voltage direct-current electromagnetic valve fault judging and detecting tool |
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| CN113804990A CN113804990A (en) | 2021-12-17 |
| CN113804990B true CN113804990B (en) | 2024-04-05 |
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| CN202010539235.3A Active CN113804990B (en) | 2020-06-14 | 2020-06-14 | Low-voltage direct-current electromagnetic valve fault judging and detecting tool |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114646436B (en) * | 2022-05-18 | 2022-07-29 | 启东市金猴除尘成套设备有限公司 | Low-voltage direct-current solenoid valve fault judgment and detection tool |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4721840A (en) * | 1986-01-17 | 1988-01-26 | Weltronic Company | Coated resistance welding sensor |
| JP2000266219A (en) * | 1999-03-18 | 2000-09-26 | Db Seiko:Kk | Controller for solenoid valve |
| CN201112993Y (en) * | 2007-06-28 | 2008-09-10 | 上海梅山钢铁股份有限公司 | Solenoid valve plug with voltage display |
| CN202332729U (en) * | 2011-12-07 | 2012-07-11 | 黑龙江交通职业技术学院 | Relay protection device used in power plant |
| CN204536398U (en) * | 2015-03-20 | 2015-08-05 | 中冶宝钢技术服务有限公司 | A kind of electromagnetic valve detector |
| CA3011299A1 (en) * | 2017-07-19 | 2019-01-19 | Hamilton Sundstrand Corporation | Solenoid diagnostics digital interface |
| CN208738794U (en) * | 2018-08-28 | 2019-04-12 | 广西电网有限责任公司防城港供电局 | A kind of transmission line lightning stroke fault monitoring device |
| CN209640150U (en) * | 2019-02-28 | 2019-11-15 | 江苏凯瑞德润滑技术有限公司 | A kind of hydraulic oil particle pollutant testing apparatus |
| CN110673013A (en) * | 2019-09-02 | 2020-01-10 | 武汉光庭科技有限公司 | Automatic detection method and device for switch and switch circuit |
-
2020
- 2020-06-14 CN CN202010539235.3A patent/CN113804990B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4721840A (en) * | 1986-01-17 | 1988-01-26 | Weltronic Company | Coated resistance welding sensor |
| JP2000266219A (en) * | 1999-03-18 | 2000-09-26 | Db Seiko:Kk | Controller for solenoid valve |
| CN201112993Y (en) * | 2007-06-28 | 2008-09-10 | 上海梅山钢铁股份有限公司 | Solenoid valve plug with voltage display |
| CN202332729U (en) * | 2011-12-07 | 2012-07-11 | 黑龙江交通职业技术学院 | Relay protection device used in power plant |
| CN204536398U (en) * | 2015-03-20 | 2015-08-05 | 中冶宝钢技术服务有限公司 | A kind of electromagnetic valve detector |
| CA3011299A1 (en) * | 2017-07-19 | 2019-01-19 | Hamilton Sundstrand Corporation | Solenoid diagnostics digital interface |
| CN208738794U (en) * | 2018-08-28 | 2019-04-12 | 广西电网有限责任公司防城港供电局 | A kind of transmission line lightning stroke fault monitoring device |
| CN209640150U (en) * | 2019-02-28 | 2019-11-15 | 江苏凯瑞德润滑技术有限公司 | A kind of hydraulic oil particle pollutant testing apparatus |
| CN110673013A (en) * | 2019-09-02 | 2020-01-10 | 武汉光庭科技有限公司 | Automatic detection method and device for switch and switch circuit |
Non-Patent Citations (1)
| Title |
|---|
| 航空电磁阀原位遍历功能性测试;王立文 等;机床与液压;第47卷(第7期);第169-172页和第176页 * |
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