CN115372817B - Automatic detection device and method for building block type relay - Google Patents
Automatic detection device and method for building block type relay Download PDFInfo
- Publication number
- CN115372817B CN115372817B CN202211314901.9A CN202211314901A CN115372817B CN 115372817 B CN115372817 B CN 115372817B CN 202211314901 A CN202211314901 A CN 202211314901A CN 115372817 B CN115372817 B CN 115372817B
- Authority
- CN
- China
- Prior art keywords
- operational amplifier
- probe
- power supply
- detection unit
- relay
- 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.)
- Active
Links
Images
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
- G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
-
- Y—GENERAL 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
- Y04S10/52—Outage or fault management, e.g. fault detection or location
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Current Or Voltage (AREA)
Abstract
The application provides an automatic detection device and method for a building block type relay, and the device comprises: the system comprises an adjustable direct-current power supply module, a Hall sensor, a multi-channel data acquisition module, a main detection unit, an extension detection unit and a host system; the adjustable direct-current power supply module, the Hall sensor and the multi-channel data acquisition module are all installed in a detection box, the detection box is respectively connected with the main detection unit and the host system through connecting cables, and the main detection unit is connected with the extension detection unit through a rigid connecting piece. The relay detection device can be used for carrying out non-disconnection and multi-path synchronous detection on relays of various types and structures, accurate measurement of relay driving current, driving power and action time delay is achieved, working efficiency of relay detection tests is remarkably improved, the health state of the relays can be comprehensively, accurately and reliably evaluated, and the relay detection device has a wide application prospect.
Description
Technical Field
The invention relates to the technical field of automatic detection of relays, in particular to a building block type automatic detection device and method for a relay.
Background
The relay is an automatic switch element with an isolation function, is widely applied to remote control, remote measurement, communication, automatic control, electromechanical integration and power electronic equipment, is one of the most important control elements in a circuit breaker control loop, and the health state of the relay is directly related to the safe and stable operation of the circuit breaker and even the whole power grid. However, the relays are extremely large in using quantity, complex and changeable in structural models, and complex in connecting wire dismounting and mounting procedures, so that the detection efficiency is low. In addition, because the field interference signal is complex, the relay action time delay measurement accuracy is low, and the health state of the relay cannot be accurately evaluated.
Therefore, it is imperative to provide a relay detection device and method which is suitable for relays of various structural models, has a function of multi-path synchronous detection without disconnecting and can accurately measure action time delay.
Disclosure of Invention
In view of the above, the main purpose of the present invention is to solve the technical problems of low detection efficiency due to complicated connecting wire dismounting and mounting processes and low measurement accuracy due to relay action time delay.
The invention provides an automatic detection device for a building block type relay, which comprises: the system comprises an adjustable direct-current power supply module, a Hall sensor, a multi-channel data acquisition module, a main detection unit, an extension detection unit and a host system; the adjustable direct-current power supply module, the Hall sensor and the multi-channel data acquisition module are all installed in a detection box, the detection box is respectively connected with the main detection unit and the host system through connecting cables, and the main detection unit is connected with the extension detection unit through a rigid connecting piece; the adjustable direct current power supply module is connected with a coil probe in the main detection unit and is used for providing driving voltage with continuously adjustable amplitude for the coil probe; the data acquisition channels of the multi-channel data acquisition module are respectively connected with the Hall sensor, the main detection unit and the contact probes of the extension detection unit and are used for respectively measuring the drive current waveform and the contact voltage waveform of the relay coil; the host system is used for controlling the voltage amplitude output by the adjustable direct-current power supply module, receiving the measurement data of the multi-channel data acquisition module and displaying an analysis result.
In some embodiments of the present invention, the apparatus further includes an energy storage battery, and the energy storage battery is disposed in the detection box and is respectively connected to the adjustable dc power supply module and the multichannel data acquisition module.
In some embodiments of the present invention, the tunable dc power supply module includes a power supply, a digital-to-analog converter, a first operational amplifier, a second operational amplifier, a third operational amplifier, a fourth operational amplifier, a fifth operational amplifier, a sixth operational amplifier, and a transistor; the VCC pin of the digital-to-analog converter is connected with the resistor
Connected with the positive electrode of the power supply and then connected with the capacitor
The VREFPS pin of the digital-analog converter is connected with the second operational amplifier
The VREFPF pin of the digital-to-analog converter is connected with the second operational amplifier
The negative input pin of (a); the describedA second operational amplifier
Positive input pin and first operational amplifier
Is connected to the output pin of the first operational amplifier
Output pin through resistor
And a first operational amplifier
Is connected with the negative input pin and then passes through the resistor
Connected to the negative electrode of the power supply, the first operational amplifier
Positive input pin via capacitor
Then is connected with the negative electrode of a power supply; the third operational amplifier
Negative input pin of the switch via a resistor
And the second operational amplifier
Is connected to the positive input pin of the third operational amplifier
And the fourth operational amplifier
The negative input pin is connected; the fourth operational amplifier
The positive input pin of the second operational amplifier is connected with the VREFNF pin of the digital-to-analog converter, and the fourth operational amplifier
The output pin of the analog-to-digital converter is connected with a VREFNS pin of the digital-to-analog converter; VO pin and fifth operational amplifier of digital-to-analog converter
Is connected with the positive input pin of the fifth operational amplifier
Output pin and sixth operational amplifier
The positive output pin is connected; the sixth operational amplifier
Negative output pin through resistor
Connected to the negative pole of the power supply and via an adjustable resistor
And a third-stage pipe
Is connected to the collector of the sixth operational amplifier
Output pin of (2) via a resistor
And triode
The base electrodes are connected; the triode
Collector via resistor
Connected with the positive pole of the power supply, wherein the triode
The emitting electrode is the output of the adjustable direct current power supply module.
In some embodiments of the invention, at a temperature of 25 ℃, the voltage of the adjustable dc power supply module is adjustable within a range of 0V to 30v, the minimum variation voltage is less than 0.1V, the error of the output voltage is less than 0.1%, and the temperature drift is less than 1 μ V/℃.
In some embodiments of the invention, the multi-channel data acquisition module has at least five acquisition channels, wherein a single channel sampling rate is greater than 1MHz.
In some embodiments of the invention, the primary detection unit comprises a set of coil probes, a set of contact probes, and an accessory circuit of the contact probes; the auxiliary circuit comprises a 5V direct-current power supply and a current-limiting resistor, and the 5V direct-current power supply is connected with the two contact probes through the current-limiting resistor.
In some embodiments of the invention, the coil probe or the contact probe is installed in a horizontal sliding rail, and vertical sliding rails are installed on two sides of the horizontal sliding rail, so that the probe can translate in four directions, namely front, back, left and right; the coil probe or the contact probe comprises a probe head cover, a probe connecting pipe, a spring and a probe tail pipe, wherein the probe head cover is arranged at one end of the probe connecting pipe, the other end of the probe connecting pipe is clamped in the probe tail pipe, and the spring is arranged at the bottom of the probe tail pipe to adjust the length of the probe.
In some embodiments of the present invention, the probe tail tube, the probe connection tube, the slide rail, and the spring are made of metal, and the probe head cover is made of conductive rubber.
In some embodiments of the invention, the extended detection unit comprises a set of contact probes and an accessory circuit of the contact probes, the accessory circuit comprising a current limiting resistor.
The invention also provides an automatic detection method of the building block type relay, which comprises the following steps: receiving measurement data of a multi-channel data acquisition module, wherein the measurement data comprises coil driving current data and contact measurement voltage data; the host system calculates the sudden change time point of the coil driving current and the sudden change time point of the contact measurement voltage, and judges whether the time difference between the sudden change time point of the coil driving current and the sudden change time point of the contact measurement voltage is larger than a preset threshold value, wherein the expression for calculating the sudden change time point is as follows:
in the formula (I), the reaction is carried out,
for the total number of measurement points of the signal,
is the serial number of the current analysis data point,
is the variance of the data from the 1 st data point to the kth data point,
is a mutation time point; if the sudden change time point of the coil driving current and the sudden change of the contact measuring voltageAnd if the time difference between the points is greater than a preset threshold value, the contact has a fault.
The automatic detection device and method for the building block type relay can carry out non-disconnection and multi-path synchronous detection on relays of various types and structures, realize accurate measurement of the driving current, the driving power and the action time delay of the relay, remarkably improve the working efficiency of a relay detection test, comprehensively, accurately and reliably evaluate the health state of the relay, and have wide application prospects.
Drawings
FIG. 1 is a schematic structural diagram of an automatic detection device for a building block relay according to an embodiment of the present invention;
FIG. 2 is a schematic circuit diagram of an adjustable DC power module of an automatic detection device for a building block relay according to an embodiment of the present invention;
FIG. 3 is a front view of a probe of an automatic modular relay inspection device in accordance with one embodiment of the present invention;
FIG. 4 is a left side view of a probe of an automatic modular relay test apparatus according to an embodiment of the invention;
FIG. 5 is a top view of a probe of an automatic modular relay inspection device according to an embodiment of the invention.
Wherein, 1, a horizontal sliding rail; 2. a vertical slide rail; 3. a probe connection tube; 4. a probe head cover; 5. a spring; 6. a probe tail tube.
Detailed Description
The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not to be construed as limiting the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
Referring to fig. 1, the building block type automatic detection device for the relay mainly comprises an energy storage battery, an adjustable direct current power supply module, a hall sensor, a multi-channel data acquisition module, a main detection unit, an extension detection unit and a host system; the system comprises an energy storage battery, an adjustable direct-current power supply module, a Hall sensor and a multi-channel data acquisition module, wherein the energy storage battery, the adjustable direct-current power supply module, the Hall sensor and the multi-channel data acquisition module are arranged in a detection box, the detection box is connected with a main detection unit and a host system through a connecting cable, and the main detection unit is connected with an extension detection unit through a rigid connecting piece; the energy storage battery supplies power to the adjustable direct-current power supply module and the multi-channel data acquisition module, and the adjustable direct-current power supply module is connected with the coil probe in the main detection unit and provides driving voltage with continuously adjustable amplitude for the coil probe; the data acquisition channel of the multi-channel data acquisition module is respectively connected with the contact probes of the Hall sensor, the main detection unit and the extension detection unit, and respectively measures the drive current waveform and the contact voltage waveform of the relay coil; the host system can control the voltage amplitude output by the adjustable direct current power supply module, and can also receive the measurement data of the multi-channel data acquisition module and display the analysis result.
More specifically, the voltage of the adjustable direct current power supply module is adjustable within the range of 0V to 30V at the temperature of 25 ℃, the minimum variation voltage is less than 0.1V, the error of the output voltage is less than 0.1 percent, and the temperature drift is less than 1 muV/DEG C.
More specifically, the multi-channel data acquisition module has more than 5 acquisition channels, the single-channel sampling rate is more than 1MHz, and the multi-channel data acquisition module has a trigger measurement function.
More specifically, the main detection unit is composed of a group of coil probes, a group of contact probes and an auxiliary circuit of the contact probes; each group of probes consists of two probes and can be directly inserted into the wiring terminal of the relay; the auxiliary circuit comprises a 5V direct current power supply and a current-limiting resistor, wherein the 5V direct current power supply is connected with two contact probes through the current-limiting resistor.
More specifically, the internal structure of the extended detection unit only has less coil probes and 5V direct current power supplies than that of the main detection unit, and the 5V power supply of the main detection unit supplies power to the contact probes in all the extended detection units.
More specifically, after the rigid connecting piece is adopted for connection, the main detection unit and the extension detection unit are connected into a whole, and no phase displacement exists between the main detection unit and the extension detection unit; and a connecting cable is arranged in the connecting piece and used for transmitting 5V voltage and measuring signals.
Referring to fig. 2, the circuit structure of the adjustable dc power module of the present application includes a power supply, a digital-to-analog converter, a first operational amplifier, a second operational amplifier, a third operational amplifier, a fourth operational amplifier, a fifth operational amplifier, a sixth operational amplifier, and a triode; this kind of structural design can reach the requirement in the aspect of output voltage accurate control and high output, specifically does: at the temperature of 25 ℃, the voltage of the power supply can be adjusted within the range of 0V to 30V, the minimum variation voltage is less than 0.1V, the error of the output voltage is less than 0.1%, the temperature drift is less than 1 muV/DEG C, and the maximum output power is not less than 10W.
The VCC pin of the digital-analog converter is connected with the resistor
Connected with the positive electrode of the power supply and then connected with the capacitor
Connected with the negative electrode of the power supply, and the VREFPS pin of the digital-analog converter is connected with the second operational amplifier
The VREFPF pin of the digital-analog converter is connected with the second operational amplifier
A negative input pin of (a); a second operational amplifier
Positive input pin and first operational amplifier
Are connected to the output pin of the first operational amplifier
Output pin through resistor
And a first operational amplifier
Connected with the negative input pin and then connected with the negative input pin through a resistor
A first operational amplifier connected to the negative electrode of the power supply
Positive input pin via capacitor
Then is connected with the negative electrode of a power supply; third operational amplifier
Negative input pin via resistor
And a second operational amplifier
Connected to the positive input pin of the first operational amplifier, and a second operational amplifier
Output pin and fourth operational amplifier
The negative input pin is connected; a fourth operational amplifier
The positive input pin of the second operational amplifier is connected with the VREFNF pin of the digital-analog converter, and the fourth operational amplifier
The output pin of the digital-to-analog converter is connected with a VREFNS pin of the digital-to-analog converter; VO pin and fifth operational amplifier of digital-to-analog converter
Is connected with the positive input pin of the fifth operational amplifier
Output pin and sixth operational amplifier
The positive output pin is connected; sixth operational amplifier
Negative output pin through resistor
Connected to the negative pole of the power supply and via an adjustable resistor
And a third-stage pipe
Are connected to the collector of a sixth operational amplifier
Output pin through resistor
And triode
The base electrodes are connected; triode
Collector via resistor
Connected with the positive electrode of the power supply, wherein the triode
The emitting electrode is the output of the adjustable direct current power supply module.
Referring to fig. 3-5, the probe is installed in the horizontal slide rail 1, and the vertical slide rails 2 are installed on both sides of the horizontal slide rail 1, so that the probe can move horizontally in four directions, i.e., front, back, left and right; the probe mainly comprises a probe head cover 4, a probe connecting pipe 3, a spring and a probe tail pipe 6, wherein the probe head cover 4 is arranged at one end of the probe connecting pipe 3, the other end of the probe connecting pipe 3 is clamped in the probe tail pipe 6, and the spring is arranged at the bottom of the probe tail pipe 6 to ensure that the length of the probe is adjustable; the probe tail pipe 6, the probe connecting pipe 3, the slide rail and the spring are all made of metal materials, and the probe head cover 4 is made of conductive rubber materials; during detection, the spring increases the contact pressure between the probe head cover 4 and the wiring end of the relay, the deformation of the probe head cover 4 increases the contact area, and misjudgment caused by poor contact is avoided.
In this embodiment, utilized a novel probe to connect relay wiring end, avoided loaded down with trivial details assembly and disassembly line work to adopt cordwood system expanded structure, realized relay multiplexed output simultaneous measurement.
The application provides an automatic detection method of a building block type relay, which comprises the following steps:
receiving measurement data of a multi-channel data acquisition module, wherein the measurement data comprises coil driving current data and contact measurement voltage data;
the host system calculates the sudden change time point of the coil driving current and the sudden change time point of the contact measurement voltage, and judges whether the time difference between the sudden change time point of the coil driving current and the sudden change time point of the contact measurement voltage is larger than a preset threshold value, wherein the expression of calculating the sudden change time points is as follows:
in the formula (I), the compound is shown in the specification,
for the total number of measurement points of the signal,
for the serial number of the current analysis data point,
is the variance of the data from the 1 st data point to the kth data point,
is a mutation time point;
and if the time difference between the sudden change time point of the coil driving current and the sudden change time point of the contact measuring voltage is larger than a preset threshold value, the contact has a fault.
In the present embodiment, by constructing the evaluation function, high-precision measurement of the operation time delay is realized. The working efficiency of the detection test is improved, and meanwhile, the measurement accuracy is also obviously improved.
In one embodiment, the relay health state detection test process based on the building block type relay automatic detection device mainly comprises the following steps:
1. preparation before testing
Before the test, the number of the extended detection units is selected according to the number of the paths of the relay to be tested, and the position of each probe is adjusted according to the position of the terminal of the relay. The detection box is respectively connected with the host system and the main detection unit by using a connecting cable, and the two main detection units and the extension detection unit are connected by using a rigid connecting piece. And aligning each probe to the corresponding relay terminal, pressing the detection unit by a palm, and taking whether the conductive rubber of each probe head cover 4 deforms or not as a mark for connection or not to ensure that the probe is tightly connected with each terminal.
2. Procedure of the test
Assume that the nominal drive voltage of the relay under test is
Setting the initial voltage of the adjustable DC power supply module to be
And 3, gradually increasing the output voltage of the adjustable direct current power supply module, wherein the amplitude value is increased to 0.1V every time, the voltage of each stage lasts for 50ms, if any contact probe detects that the voltage is suddenly changed, recording data and current driving voltage within 50ms of the voltage grade until all the contact probes detect that the voltage is suddenly changed, and ending the test. If the output voltage of the adjustable DC power supply module is increased to (
+ 5), if the contact probe still does not detect the voltage mutation, the contact without voltage protrusion is considered to have a fault, and the test is ended.
3. Data analysis
1) Judging whether a contact with voltage not subjected to sudden change exists in the test process, and if so, judging that the contact has a primary fault;
2) Judging whether the driving voltage is all at (V) when the contact voltage is suddenly changed r -1,V r + 1), if the driving voltage exceeds the range, judging that the contact has a secondary fault;
3) Calculating sudden change time points of coil driving current and contact measuring voltage by using a formula (1), calculating the time difference of the two sudden change time points to be action time delay, and judging that the contact has three-level faults if the action time delay is more than 20 ms;
4) And multiplying the driving voltage value by the coil driving current value 10 mu s after the voltage discontinuity point is measured by using the contact to obtain driving power, and if the driving power is less than 5W, judging that the relay has a four-stage fault.
It should be noted that the relay may be mainly divided into two parts, one is a coil, and the other is a switch, and the contact in this embodiment is referred to as a switch part.
What has been described above are merely some embodiments of the present invention. It will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention.
Claims (9)
1. The utility model provides a cordwood system relay automatic checkout device which characterized in that includes: the system comprises an adjustable direct current power supply module, a Hall sensor, a multi-channel data acquisition module, a main detection unit, an extension detection unit and a host system; the adjustable direct-current power supply module, the Hall sensor and the multi-channel data acquisition module are all installed in a detection box, the detection box is respectively connected with the main detection unit and the host system through connecting cables, and the main detection unit is connected with the extension detection unit through a rigid connecting piece;
the adjustable direct current power supply module is connected with the coil probe in the main detection unit and is used for providing driving voltage with continuously adjustable amplitude for the coil probe;
the data acquisition channel of the multi-channel data acquisition module is respectively connected with the Hall sensor, the electric shock probe of the main detection unit and the contact probe of the extension detection unit and is used for respectively measuring the drive current waveform and the contact voltage waveform of the relay coil;
the host system is used for controlling the voltage amplitude output by the adjustable direct-current power supply module, receiving the measurement data of the multi-channel data acquisition module and displaying an analysis result, and receiving the measurement data of the multi-channel data acquisition module, wherein the measurement data comprises coil driving current data and contact measurement voltage data;
the host system calculates the sudden change time point of the coil driving current and the sudden change time point of the contact measurement voltage, and judges whether the time difference between the sudden change time point of the coil driving current and the sudden change time point of the contact measurement voltage is larger than a preset threshold value, wherein the expression of calculating the sudden change time points is as follows:
in the formula (I), the compound is shown in the specification,
for the total number of measurement points of the signal,
is the serial number of the current analysis data point,
is the variance of the data from the 1 st data point to the kth data point,
is a mutation time point;
and if the time difference between the sudden change time point of the coil driving current and the sudden change time point of the contact measuring voltage is larger than a preset threshold value, the contact has a fault.
2. The automatic detection device of a building block type relay as claimed in claim 1, further comprising an energy storage battery, wherein the energy storage battery is arranged in the detection box and is respectively connected with the adjustable DC power supply module and the multichannel data acquisition module.
3. The automatic modular relay detection device according to claim 1, wherein the adjustable dc power module comprises a power supply, a digital-to-analog converter, a first operational amplifier, a second operational amplifier, a third operational amplifier, a fourth operational amplifier, a fifth operational amplifier, a sixth operational amplifier, and a transistor;
the VCC pin of the digital-to-analog converter is connected with the resistor
Connected with the positive electrode of the power supply and then connected with the capacitor
The VREFPS pin of the digital-analog converter is connected with a second operational amplifier
The VREFPF pin of the digital-to-analog converter is connected with the second operational amplifier
A negative input pin of (a);
the second operational amplifier
Positive input pin and first operational amplifier
Is connected to the output pin of the first operational amplifier
Output pin through resistor
And a first operational amplifier
Is connected with the negative input pin and then passes through the resistor
Connected to the negative electrode of the power supply, the first operational amplifier
Positive input pin via capacitor
Then is connected with the negative electrode of a power supply;
the third operational amplifier
Negative input pin via resistor
And the second operational amplifier
Is connected to the positive input pin of the third operational amplifier
And the fourth operational amplifier
The negative input pin is connected;
the fourth operational amplifier
The positive input pin of the second operational amplifier is connected with the VREFNF pin of the digital-to-analog converter, and the fourth operational amplifier
The output pin of the digital-to-analog converter is connected with a VREFNS pin of the digital-to-analog converter;
VO pin and fifth operational amplifier of digital-to-analog converter
Is connected with the positive input pin of the fifth operational amplifier
Output pin of and sixth operational amplifier
The positive output pin is connected;
the sixth operational amplifier
Negative output pin through resistor
Connected to the negative pole of the power supply and via an adjustable resistor
And a third-stage pipe
Is connected to the collector of the sixth operational amplifier
Output pin of (2) via a resistor
And triode
The base electrodes are connected;
the triode
Collector via resistor
Connected with the positive pole of the power supply, wherein the triode
The emitting electrode is the output of the adjustable direct current power supply module.
4. The automatic detection device of a building block relay as claimed in claim 1, wherein the voltage of the adjustable DC power supply module is adjustable within a range of 0V to 30V at a temperature of 25 ℃, the minimum variation voltage is less than 0.1V, the error of the output voltage is less than 0.1%, and the temperature drift is less than 1 μ V/DEG C.
5. The modular relay automatic detection device as claimed in claim 1, wherein the multi-channel data acquisition module has at least five acquisition channels, wherein a single channel sampling rate is greater than 1MHz.
6. The modular relay automatic detection device as claimed in claim 1, wherein the main detection unit comprises a set of coil probes, a set of contact probes and an auxiliary circuit of the contact probes;
the auxiliary circuit comprises a 5V direct-current power supply and a current-limiting resistor, wherein the 5V direct-current power supply is connected with the two contact probes through the current-limiting resistor.
7. The automatic detection device of a building block type relay as claimed in claim 6, wherein the coil probe or the contact probe is installed in a horizontal slide rail, and vertical slide rails are installed on two sides of the horizontal slide rail, so that the probe can move horizontally in four directions of front, back, left and right;
the coil probe or the contact probe comprises a probe head cover, a probe connecting pipe, a spring and a probe tail pipe, wherein the probe head cover is arranged at one end of the probe connecting pipe, the other end of the probe connecting pipe is clamped in the probe tail pipe, and the spring is arranged at the bottom of the probe tail pipe to adjust the length of the probe.
8. The automatic detection device of a building block type relay as claimed in claim 7, wherein the probe tail tube, the probe connecting tube, the slide rail and the spring are all made of metal, and the probe head cover is made of conductive rubber.
9. The modular relay automatic detection device as claimed in claim 1, wherein the extended detection unit comprises a set of contact probes and an auxiliary circuit of the contact probes, and the auxiliary circuit comprises a current limiting resistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211314901.9A CN115372817B (en) | 2022-10-26 | 2022-10-26 | Automatic detection device and method for building block type relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211314901.9A CN115372817B (en) | 2022-10-26 | 2022-10-26 | Automatic detection device and method for building block type relay |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115372817A CN115372817A (en) | 2022-11-22 |
| CN115372817B true CN115372817B (en) | 2023-03-14 |
Family
ID=84073732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211314901.9A Active CN115372817B (en) | 2022-10-26 | 2022-10-26 | Automatic detection device and method for building block type relay |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115372817B (en) |
Citations (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0917304A (en) * | 1995-06-29 | 1997-01-17 | Nec Yamagata Ltd | Relay deterioration measuring method |
| CN101221219A (en) * | 2008-01-25 | 2008-07-16 | 广东格兰仕集团有限公司 | Automatic checkout equipment of relay and its operation method |
| CN101399134A (en) * | 2008-10-28 | 2009-04-01 | 深圳市科陆电子科技股份有限公司 | Relay status detection method |
| CN103064020A (en) * | 2013-01-08 | 2013-04-24 | 河北工业大学 | Electromagnetic relay reliability testing device and operation method thereof |
| CN103344913A (en) * | 2013-07-30 | 2013-10-09 | 中国人民解放军第二炮兵装备研究院第三研究所 | Electromagnetic relay testing equipment and method |
| CN103954906A (en) * | 2014-04-03 | 2014-07-30 | 武汉点线科技有限公司 | Device and method for relay state inspection |
| CN104865515A (en) * | 2015-05-12 | 2015-08-26 | 北京航空航天大学 | Multichannel integrated operational amplifier performance parameter on-line testing system |
| CN106707147A (en) * | 2016-11-30 | 2017-05-24 | 国家电网公司 | Gas relay flow velocity setting device and method |
| CN207992398U (en) * | 2018-03-30 | 2018-10-19 | 湖南工程学院 | A kind of relay parameter test device |
| CN109143058A (en) * | 2018-09-30 | 2019-01-04 | 浙江英洛华新能源科技有限公司 | The energy saving auxiliary contact for detecting high-voltage relay contact on-off detect feed circuit |
| CN208334580U (en) * | 2018-05-18 | 2019-01-04 | 南京林业大学 | A kind of signal relay test circuit |
| CN208568994U (en) * | 2018-07-31 | 2019-03-01 | 上海出入境检验检疫局机电产品检测技术中心 | A kind of electric relay detection device |
| CN209590225U (en) * | 2019-01-12 | 2019-11-05 | 广东人防工程质量检测有限公司 | A kind of multifunctional electric ability meter |
| CN110716134A (en) * | 2019-10-17 | 2020-01-21 | 珠海格力电器股份有限公司 | Relay state detection circuit, device and method |
| CN110806539A (en) * | 2019-11-26 | 2020-02-18 | 深圳赛意法微电子有限公司 | Detector for relay and driving chip |
| CN210166469U (en) * | 2019-04-25 | 2020-03-20 | 国网重庆市电力公司璧山供电分公司 | Relay state monitoring device |
| CN210323285U (en) * | 2019-07-03 | 2020-04-14 | 上海鼎充新能源技术有限公司 | Device suitable for relay function detection |
| CN111123089A (en) * | 2020-01-08 | 2020-05-08 | 华霆（合肥）动力技术有限公司 | Relay detection circuit and device |
| CN113156242A (en) * | 2021-04-06 | 2021-07-23 | 国网江苏省电力有限公司淮安供电分公司 | Relay protection outlet matrix detection equipment |
| CN113406486A (en) * | 2020-03-17 | 2021-09-17 | 上海汽车集团股份有限公司 | Relay detection circuit, detection method, relay, power system and automobile |
| CN113687221A (en) * | 2021-08-12 | 2021-11-23 | 中航油青岛国际机场航空油料有限责任公司 | Small-size relay automatic checkout device |
| WO2021251653A1 (en) * | 2020-06-08 | 2021-12-16 | 주식회사 엘지에너지솔루션 | Relay diagnosis device, relay diagnosis method, battery system, and electric vehicle |
| CN216285598U (en) * | 2021-04-02 | 2022-04-12 | 珠海思创智能电网技术有限公司 | Relay contact performance testing device |
| CN114755569A (en) * | 2022-04-14 | 2022-07-15 | 天水华天科技股份有限公司 | Relay function detection device and use method thereof |
| CN217332735U (en) * | 2021-10-11 | 2022-08-30 | 中广核核电运营有限公司 | Relay detection circuit and device |
| CN217443499U (en) * | 2021-11-15 | 2022-09-16 | 广西电网有限责任公司桂林供电局 | Relay operating characteristic measuring device |
| CN115113038A (en) * | 2022-08-19 | 2022-09-27 | 国网江西省电力有限公司电力科学研究院 | Circuit breaker fault diagnosis method based on current signal phase space reconstruction |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6963202B2 (en) * | 2002-07-31 | 2005-11-08 | Ultra-Tech Enterprises, Inc. | Testing interface for railroad signal relays |
| SG189581A1 (en) * | 2011-10-21 | 2013-05-31 | Schneider Electric South East Asia Hq Pte Ltd | A relay with an intermediate alert mechanism |
| US20140002093A1 (en) * | 2012-06-27 | 2014-01-02 | Leviton Manufacturing Co., Inc. | Relay contact monitoring and control |
| JP5370553B1 (en) * | 2012-08-31 | 2013-12-18 | オムロン株式会社 | Electromagnetic relay welding detection device and electromagnetic relay welding detection method |
| CN104142470A (en) * | 2013-05-10 | 2014-11-12 | 台达电子工业股份有限公司 | Relay detection device and operation method thereof |
| CN113049950B (en) * | 2021-03-05 | 2024-02-09 | 阳光电源股份有限公司 | Relay detection device and method and charging pile |
-
2022
- 2022-10-26 CN CN202211314901.9A patent/CN115372817B/en active Active
Patent Citations (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0917304A (en) * | 1995-06-29 | 1997-01-17 | Nec Yamagata Ltd | Relay deterioration measuring method |
| CN101221219A (en) * | 2008-01-25 | 2008-07-16 | 广东格兰仕集团有限公司 | Automatic checkout equipment of relay and its operation method |
| CN101399134A (en) * | 2008-10-28 | 2009-04-01 | 深圳市科陆电子科技股份有限公司 | Relay status detection method |
| CN103064020A (en) * | 2013-01-08 | 2013-04-24 | 河北工业大学 | Electromagnetic relay reliability testing device and operation method thereof |
| CN103344913A (en) * | 2013-07-30 | 2013-10-09 | 中国人民解放军第二炮兵装备研究院第三研究所 | Electromagnetic relay testing equipment and method |
| CN103954906A (en) * | 2014-04-03 | 2014-07-30 | 武汉点线科技有限公司 | Device and method for relay state inspection |
| CN104865515A (en) * | 2015-05-12 | 2015-08-26 | 北京航空航天大学 | Multichannel integrated operational amplifier performance parameter on-line testing system |
| CN106707147A (en) * | 2016-11-30 | 2017-05-24 | 国家电网公司 | Gas relay flow velocity setting device and method |
| CN207992398U (en) * | 2018-03-30 | 2018-10-19 | 湖南工程学院 | A kind of relay parameter test device |
| CN208334580U (en) * | 2018-05-18 | 2019-01-04 | 南京林业大学 | A kind of signal relay test circuit |
| CN208568994U (en) * | 2018-07-31 | 2019-03-01 | 上海出入境检验检疫局机电产品检测技术中心 | A kind of electric relay detection device |
| CN109143058A (en) * | 2018-09-30 | 2019-01-04 | 浙江英洛华新能源科技有限公司 | The energy saving auxiliary contact for detecting high-voltage relay contact on-off detect feed circuit |
| CN209590225U (en) * | 2019-01-12 | 2019-11-05 | 广东人防工程质量检测有限公司 | A kind of multifunctional electric ability meter |
| CN210166469U (en) * | 2019-04-25 | 2020-03-20 | 国网重庆市电力公司璧山供电分公司 | Relay state monitoring device |
| CN210323285U (en) * | 2019-07-03 | 2020-04-14 | 上海鼎充新能源技术有限公司 | Device suitable for relay function detection |
| CN110716134A (en) * | 2019-10-17 | 2020-01-21 | 珠海格力电器股份有限公司 | Relay state detection circuit, device and method |
| CN110806539A (en) * | 2019-11-26 | 2020-02-18 | 深圳赛意法微电子有限公司 | Detector for relay and driving chip |
| CN111123089A (en) * | 2020-01-08 | 2020-05-08 | 华霆（合肥）动力技术有限公司 | Relay detection circuit and device |
| CN113406486A (en) * | 2020-03-17 | 2021-09-17 | 上海汽车集团股份有限公司 | Relay detection circuit, detection method, relay, power system and automobile |
| WO2021251653A1 (en) * | 2020-06-08 | 2021-12-16 | 주식회사 엘지에너지솔루션 | Relay diagnosis device, relay diagnosis method, battery system, and electric vehicle |
| CN216285598U (en) * | 2021-04-02 | 2022-04-12 | 珠海思创智能电网技术有限公司 | Relay contact performance testing device |
| CN113156242A (en) * | 2021-04-06 | 2021-07-23 | 国网江苏省电力有限公司淮安供电分公司 | Relay protection outlet matrix detection equipment |
| CN113687221A (en) * | 2021-08-12 | 2021-11-23 | 中航油青岛国际机场航空油料有限责任公司 | Small-size relay automatic checkout device |
| CN217332735U (en) * | 2021-10-11 | 2022-08-30 | 中广核核电运营有限公司 | Relay detection circuit and device |
| CN217443499U (en) * | 2021-11-15 | 2022-09-16 | 广西电网有限责任公司桂林供电局 | Relay operating characteristic measuring device |
| CN114755569A (en) * | 2022-04-14 | 2022-07-15 | 天水华天科技股份有限公司 | Relay function detection device and use method thereof |
| CN115113038A (en) * | 2022-08-19 | 2022-09-27 | 国网江西省电力有限公司电力科学研究院 | Circuit breaker fault diagnosis method based on current signal phase space reconstruction |
Non-Patent Citations (2)
| Title |
|---|
| Relay Selection for Improving Physical-Layer Security in Hybrid Satellite-Terrestrial Relay Networks;Weifeng Cao 等;《IEEE Access》;20181231;全文 * |
| 电磁式继电器特性参数测试系统的设计与实现;淮文军等;《苏州市职业大学学报》;20100315(第01期);全文 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115372817A (en) | 2022-11-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209927976U (en) | Circuit board detection system | |
| CN108181544B (en) | Device and method for measuring leakage current and insulation resistance of electric connector | |
| CN110286319B (en) | One-time and two-time complete column switch integrated test method | |
| CN110456160B (en) | Method and device for testing direct current resistance of ultrahigh voltage three-phase transformer | |
| CN101488276B (en) | Wireless test system for cable | |
| CN110231540B (en) | Be used for false bipolar direct current transmission and distribution lines unipolar earth fault positioning system | |
| CN103439636A (en) | Cable open-circuit point position detecting method | |
| CN115372817B (en) | Automatic detection device and method for building block type relay | |
| CN201993457U (en) | Automatic calibrating apparatus for shunt | |
| CN111007393A (en) | High-voltage circuit breaker loop resistance test circuit | |
| CN103616653B (en) | System and method are tested with clock accuracy during a kind of electric energy quality monitoring terminal pair | |
| CN105467218A (en) | Contact resistance testing method of circuit breaker used for short-circuit protection | |
| CN108737946B (en) | Multifunctional intelligent sound box testing device and sound box testing method thereof | |
| CN111999609A (en) | Method for checking interference signals of local discharge test of field transformer | |
| CN112230166A (en) | Module harness on-off test device and method and module offline test system | |
| CN218767097U (en) | Current detection device and electrical equipment | |
| CN103308100B (en) | Test method and device of integrated clamping cylinder for welding autobody | |
| CN112763803B (en) | Universal initiating explosive device testing platform | |
| CN111751715B (en) | Be applied to primary loop detection device of circuit breaker | |
| CN213181806U (en) | Electrical property testing arrangement and car low pressure test system | |
| CN113820536A (en) | Zinc oxide arrester live-line detection method based on wireless synchronous current measurement technology | |
| CN105651156A (en) | LVDT (linear variable differential transformer) test system for airplanes | |
| CN111596201A (en) | Method for supplying power by using digital channel | |
| CN110824226A (en) | Direct current measuring method, device and system | |
| CN104833875A (en) | Transformer secondary side load matching device and automatic matching method |
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 |