CN108051738B - Relay detection device and detection method - Google Patents
Relay detection device and detection method Download PDFInfo
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- CN108051738B CN108051738B CN201810135269.9A CN201810135269A CN108051738B CN 108051738 B CN108051738 B CN 108051738B CN 201810135269 A CN201810135269 A CN 201810135269A CN 108051738 B CN108051738 B CN 108051738B
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- 238000001514 detection method Methods 0.000 title claims abstract description 63
- 239000000523 sample Substances 0.000 claims abstract description 37
- 239000000463 material Substances 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 6
- 238000012544 monitoring process Methods 0.000 claims description 4
- 230000008901 benefit Effects 0.000 abstract description 4
- 230000002950 deficient Effects 0.000 abstract description 3
- 238000013461 design Methods 0.000 abstract description 3
- 238000012545 processing Methods 0.000 description 13
- 238000012546 transfer Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000005288 electromagnetic effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- 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
- G01R31/3277—Testing of circuit interrupters, switches or circuit-breakers of low voltage devices, e.g. domestic or industrial devices, such as motor protections, relays, rotation switches
- G01R31/3278—Testing of circuit interrupters, switches or circuit-breakers of low voltage devices, e.g. domestic or industrial devices, such as motor protections, relays, rotation switches of relays, solenoids or reed switches
Abstract
The invention discloses a relay detection device and a relay detection method, wherein the relay detection device comprises a detection device and a conveying device, the conveying device conveys products, and the detection device detects the products; the detection device comprises a first bracket, a second bracket, an air cylinder, a probe seat, at least one probe group and a detection circuit, wherein the second bracket is driven by the air cylinder to move up and down on the first bracket, the probe seat is fixed on the second bracket, the probe group is fixed on the probe seat, and the detection circuit is connected with a product through the probe group; the detection circuit comprises a programmable controller, an ammeter, a pulse driving power supply, a touch screen and a contact loop, wherein the ammeter is connected with the programmable controller. The invention can effectively and rapidly detect the defective products in conduction under the condition of fast action of the relay, thereby ensuring the quality of relay products. Design benefit, simple structure has improved detection efficiency greatly, practices thrift detection cost.
Description
Technical Field
The invention relates to the field of production equipment, in particular to a relay detection device and a relay detection method.
Background
An electromagnetic relay is an electronic control device, which consists of a coil loop and a contact loop, and utilizes the electromagnetic principle: namely, when the coil is electrified, a magnetic field is generated to attract the armature so that the contact loop works, and the attraction and release can achieve the aim of conducting and cutting off the control circuit.
In the traditional detection, the method for judging whether the on-off of the relay contact loop is stable and reliable is as follows: the resistance tester is used to measure the contact resistance of the contact, which is a static parameter value, i.e. a physical value measured in the fully-closed state of the relay contact. In practical circuit applications, it is often required that the relay is stable in contact and free from jitter at the moment of contact, especially when the relay is applied to some electronic circuits with high frequency actions: such as communication, electronics, some highly demanding automotive, pharmaceutical fields, etc. The conventional detection method cannot detect contact stability.
Disclosure of Invention
Aiming at the defects existing in the prior art, the main purpose of the invention is to overcome the defects of the prior art, and a relay detection device is disclosed, which comprises a detection device and a conveying device, wherein the conveying device conveys a product, and the detection device detects the product;
the detection device comprises a first bracket, a second bracket, an air cylinder, a probe seat, at least one probe group and a detection circuit, wherein the second bracket is driven by the air cylinder to move up and down on the first bracket, the probe seat is fixed on the second bracket, the probe group is fixed on the probe seat, and the detection circuit is connected with a product through the probe group;
the detection circuit comprises a programmable controller, an ammeter, a pulse driving power supply, a touch screen and a contact loop, wherein the ammeter is connected with the programmable controller.
Further, the conveying device comprises a material channel, a fixed seat, a first sliding plate, a second sliding plate, a first actuator, a second actuator, a conveying plate and a fixed plate, wherein the first sliding plate is in sliding connection with the fixed seat, the second sliding plate is in sliding connection with the first sliding plate, at least two first notches are formed in the conveying plate, the second notches are formed in the fixed plate, the number of the first notches is twice that of the second notches, the conveying plate is fixed on the second sliding plate, the fixed plate is fixed on the first sliding plate, the first notches are opposite to the second notches, the conveying plate and the fixed plate are arranged above the material channel, the first actuator drives the first sliding plate to move, the conveying plate and the fixed plate are switched to be arranged on the material channel, and the second actuator drives the second sliding plate to move, so that the conveying plate moves along the direction of the material channel.
Further, the first actuator is a cylinder.
Further, the second actuator is a cylinder.
Further, the device further comprises a limiting rod, and the limiting rod is arranged above the second notch.
Further, the bottom and the single side wall of the second notch are respectively provided with a ball head.
Further, two bulbs are arranged at the bottom of the second notch, and one bulb is arranged on the side wall of the single side.
A detection method of a relay comprises the following steps:
1) The product is conveyed to the lower part of the detection device through the conveying device, and the cylinder drives the second bracket to move downwards along the first bracket so that the probe group is connected with the product;
2) Setting the pulse times N1 through the programmable controller, monitoring the pulse times N2 obtained on the product by the ammeter, feeding back the product to the programmable controller for counting by an electromagnetic attraction forming loop, wherein the times of forming the loop are N3, and comparing N1, N2 and N3 by the programmable controller, wherein when N1 = N2 = N3, the product is good; otherwise, the poor product or poor contact of the probe set with the product is indicated.
Further, when n1=n2+.n3, it indicates that the product is poorly conducted, i.e., the contact of the internal contacts of the product is poor; when n1+noten2=n3, poor contact between the probe set and the product is indicated.
The invention has the beneficial effects that:
(1) The invention can effectively and rapidly detect the defective products in conduction under the condition of fast action of the relay, thereby ensuring the quality of relay products. Design benefit, simple structure has improved detection efficiency greatly, practices thrift detection cost.
(2) The conveying device is simple in structure and convenient to operate, and can accurately convey the relay through the cooperation of the conveying plate and the fixing plate, so that the relay is conveyed fully automatically; through set up the bulb in to the second notch, can improve the positioning accuracy of relay greatly, make the processing more accurate.
Drawings
FIG. 1 is a schematic view of a relay detection apparatus according to the present invention;
FIG. 2 is a schematic diagram of the structure of the detecting device;
FIG. 3 is a schematic diagram of a detection circuit;
FIG. 4 is a schematic diagram of the conveyor;
FIG. 5 is a side view of the conveyor 8;
FIG. 6 is a second notch structure diagram;
FIG. 7 is a block diagram of a mounting plate;
FIG. 8 is a schematic diagram of the operation of the conveyor;
the reference numerals are as follows:
1. the detection device comprises a detection device, 2, a frame, 3, a conveying device, 11, a first support, 12, a second support, 13, a cylinder, 14, a probe seat, 15, a probe set, 31, a material channel, 32, a fixed seat, 33, a first sliding plate, 34, a second sliding plate, 35, a first actuator, 36, a second actuator, 37, a conveying plate, 38, a fixed plate, 321, a first sliding rail, 331, a second sliding rail, 371, a first notch 381, a second notch, 382, a limiting rod, 3811, a ball head, 9 and a product.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
The invention relates to a relay detection device, as shown in figure 1, which comprises a detection device 1, a rack 2 and a conveying device 3, wherein the detection device 1 and the conveying device 3 are fixed on the rack 2, the conveying device 3 conveys products to the lower part of the detection device 1, and the products are detected by the detection device;
as shown in fig. 2, the detection device 1 includes a first bracket 11, a second bracket 12, an air cylinder 13, a probe seat 14, at least one probe set 15 and a detection circuit, the second bracket 12 is slidably connected with the first bracket 11, the air cylinder 13 is fixed on the first bracket 11 and drives the second bracket 12 to move up and down, the probe seat 14 is fixed on the second bracket 12, the probe set 15 is arranged on the probe seat 14, and the probe set 14 can be arranged in plurality according to actual detection requirements. The detection circuit is connected with the product 9 through the probe set to detect the product 9.
As shown in fig. 3, the detection circuit includes a programmable controller, an ammeter, a pulse driving power supply, a touch screen and a contact loop, the touch screen presets pulses to the programmable controller, the pulse driving power supply supplies power to the coil of the product 9, so that the coil generates electromagnetic effect, and the product 9 is powered on and powered off according to the set pulses to continuously work. An ammeter is connected in series in the coil of the product 9 for monitoring the number of pulses in the coil. Then, the product 9 is connected with the detection circuit through the contact loop, and when the product 9 works once, the product is fed back to the programmable controller through the contact loop.
As shown in fig. 4, 5 and 7, the conveying device 3 comprises a material channel 31, a fixed seat 32, a first sliding plate 33, a second sliding plate 34, a first actuator 35, a second actuator 36, a conveying plate 37 and a fixed plate 38, wherein the fixed seat 32 is provided with a first sliding rail 321, the first sliding plate 33 is in sliding connection with the fixed seat 32 and slides along the first sliding rail 321, the first sliding plate 33 is provided with a second sliding rail 331, the second sliding plate 34 is in sliding connection with the first sliding plate 33 and slides along the second sliding rail 331, the first sliding rail 321 is perpendicular to the guiding direction of the second sliding rail 331, the conveying plate 37 is provided with at least two first notches 371, the fixed plate 38 is provided with a second notch 381, the first notch 371 is twice as many as the second notch 381, the conveying plate 37 is fixed on the second sliding plate 34, the fixed plate 38 is fixed on the first sliding plate 33, the first notch 371 and the second notch 381 are relatively arranged, the conveying plate 37 and the fixed plate 38 are arranged above the material channel 31, the first actuator 35 is fixed on the first sliding plate 32 and the first sliding plate 33, the first actuator 35 is driven by the first actuator 35 and the second actuator 35 along the second sliding plate 31, and the second sliding plate 37 is further driven by the second actuator to move along the second sliding plate 37, and the second sliding plate 31 is further driven along the second sliding plate 31, and the second sliding plate is driven to move along the second sliding plate 37 and is further driven to move along the second sliding plate 31.
Preferably, the number of first recesses 371 is twice that of second recesses 381, which ensures that the finished product 9 can be removed and the product 9 to be processed can be moved to the processing station once in the transfer plate 37, greatly improving the processing efficiency.
When the first recesses 371 are twelve and the recesses 381 are six, the working steps of the transfer device 3 are as follows: as shown in fig. 8 (a), the fixed plate 38 is located on the lane 31, the first actuator 35 drives the first sliding plate 33 to slide, so that the conveying plate 37 moves onto the lane 31, six unprocessed products 9 and six processed products 9 on the lane 31 are placed in the first notch 371 to reach the position shown in fig. 8 (b), and the second actuator 36 drives the second sliding plate 34 to move, so that the conveying plate 37 moves, so that the products 9 slide along the lane 31 to reach the position shown in fig. 8 (c); when the unprocessed product 9 is moved to the processing station and the processed product 9 leaves the processing station, the first actuator 35 is moved in the opposite direction, the transfer plate 37 is moved away from the lane 31, and the fixing plate 38 is moved onto the lane 31, and the product 9 is placed in the second recess 381 and is positioned by the ball 3811 in the second recess 381 to the position shown in fig. 8 (d). After the completion of the processing, the first actuator 35 returns to the initial state (a') ready for the next cycle, and the unprocessed product 9 and the processed product 9 are synchronously moved again.
In addition, in order to prevent the product 9 from being displaced up and down during processing, the fixing plate 38 is further provided with a limiting rod 382, and the limiting rod 382 is disposed above the second notch 381, which is used for limiting the product 9, so as to ensure the processing of the product 9.
In an embodiment, as shown in fig. 6, in order to locate the product 9 more accurately, a ball head 3811 is disposed in the second recess 381, the ball head 3811 is elastically connected with the second recess 381, preferably, two ball heads 3811 are disposed at the bottom of the second recess 381, a ball head 3811 is disposed on a single side of the sidewall, when the product 9 is disposed in the second recess 3811, one side is pressed against the sidewall of the material channel 31 by the thrust of the ball head 3811 at the bottom of the second recess 381, and the adjacent side is pressed against the sidewall by the thrust of the ball head 3811 at the sidewall, so that the product 9 is pressed against the sidewall at the opposite side, and the product 9 can be located accurately by the cooperation of the three ball heads 3811.
In a specific embodiment, 12 first recesses 391 are provided on the transfer plate 39 at equal intervals, and 6 second recesses are provided on the fixing plate 38.
In connection with the above embodiments and as described with reference to fig. 4-8, the working process of the present invention is described, after the previous product 9 is processed, the product 9 is transferred onto the material path 31 by manual placement or mechanical transfer to the position shown in fig. 8 (a), the first actuator 35 drives the first sliding plate 33 to slide, the transfer plate 37 is moved onto the material path 31, the six unprocessed products 9 and the six processed products 9 on the material path 31 are placed in the first notch 371 to the position shown in fig. 8 (b), and the second actuator 36 drives the second sliding plate 34 to move, the transfer plate 37 is moved, and the product 9 is slid along the material path 31 to the position shown in fig. 8 (c); when the unprocessed product 9 is moved to the processing station and the processed product 9 leaves the processing station, the first actuator 35 moves reversely, so that the conveying plate 37 moves to the material channel 31 while the fixed plate 38 moves to the material channel 31, the product 9 is placed in the second notch 381, the adjacent two sides of the product 9 are pushed by the ball 3811 of the second notch 381 and are clung to the material channel 31 and the side wall on the opposite side, and the positioning of the product 9 is realized, and the position shown in fig. 8 (d) is reached. After the completion of the processing, the first actuator 35 returns to the initial state (a') ready for the next cycle, and repeats the above steps to again transfer the six unprocessed products 9 and the six processed products 9, transfer the processed products 9 to the designated positions, and transfer the unprocessed products 9 to the processing stations.
A detection method of a relay comprises the following steps:
1) The product is conveyed to the lower part of the detection device through the conveying device, and the air cylinder drives the second bracket to move downwards along the first bracket, so that the probe group is connected with the product;
2) Setting the pulse frequency N1 through a programmable controller, controlling a pulse driving power supply to supply power to the product 9 by the programmable controller according to the set pulse frequency, monitoring the pulse frequency N2 obtained on the product by an ammeter, detecting the frequency N3 of the work of the product 9 through a contact loop by the programmable controller, comparing the N1, the N2 and the N3 by the programmable controller, and indicating that the product is good when the pulse frequency sent by the programmable controller, the coil power-on frequency of the product 9 and the work frequency of the product 9 are the same when the N1 = N2 = N3; otherwise, the poor product or poor contact of the probe set with the product is indicated.
Preferably, when n1=n2+.n3, it indicates that the product is poorly conducted, i.e. that the internal contacts of the product are poorly contacted; when n1+noten2=n3, poor contact between the probe set and the product is indicated.
When the invention is used, the product 9 is placed on the material channel 31, the step can be completed manually or by grabbing by a mechanical arm, the product 9 is conveyed to the lower part of the detection device 1 by the conveying device 3, the air cylinder 13 drives the second bracket 12 to move downwards along the first bracket 11, the probe group 15 is further driven to be connected with the product 9, the working state of the product is detected by the detection circuit, the pulse times N2 obtained by counting the ammeter, the working times N3 of the product 9 and the set pulse times N1 are respectively compared, and the product 9 is qualified if the product 9 is the same, otherwise, the product 9 is not qualified. After the detection, the detected product 9 leaves below the detection device 1 through the conveying device 3, and then the detected product 9 can be classified by a machine or manually.
The invention has the beneficial effects that:
(1) The invention can effectively and rapidly detect the defective products in conduction under the condition of fast action of the relay, thereby ensuring the quality of relay products. Design benefit, simple structure has improved detection efficiency greatly, practices thrift detection cost.
(2) The conveying device is simple in structure and convenient to operate, and can accurately convey the relay through the cooperation of the conveying plate and the fixing plate, so that the relay is conveyed fully automatically; through set up the bulb in to the second notch, can improve the positioning accuracy of relay greatly, make the processing more accurate.
The foregoing is merely a preferred embodiment of the present invention and is not intended to limit the scope of the present invention; modifications and equivalent substitutions are intended to be included in the scope of the claims without departing from the spirit and scope of the present invention.
Claims (5)
1. The detection method of the relay is used for a relay detection device and is characterized by comprising a detection device and a conveying device, wherein the conveying device is used for conveying products, and the detection device is used for detecting the products;
the detection device comprises a first bracket, a second bracket, an air cylinder, a probe seat, at least one probe group and a detection circuit, wherein the second bracket is driven by the air cylinder to move up and down on the first bracket, the probe seat is fixed on the second bracket, the probe group is fixed on the probe seat, and the detection circuit is connected with a product through the probe group;
the detection circuit comprises a programmable controller, an ammeter, a pulse driving power supply, a touch screen and a contact loop, wherein the ammeter is connected with the programmable controller;
the conveying device comprises a material channel, a fixed seat, a first sliding plate, a second sliding plate, a first actuator, a second actuator, a conveying plate and a fixed plate, wherein the first sliding plate is in sliding connection with the fixed seat, the second sliding plate is in sliding connection with the first sliding plate, at least two first notches are formed in the conveying plate, the second notches are formed in the fixed plate, the number of the first notches is twice that of the second notches, the conveying plate is fixed on the second sliding plate, the fixed plate is fixed on the first sliding plate, the first notches are opposite to the second notches, the conveying plate and the fixed plate are arranged above the material channel, the first actuator drives the first sliding plate to move, the conveying plate and the fixed plate are switched to be arranged on the material channel, and the second actuator drives the second sliding plate to move, so that the conveying plate moves along the material channel direction;
the bottom and the single side wall of the second notch are respectively provided with a ball head; two bulbs are arranged at the bottom of the second notch, and one bulb is arranged on the side wall of the single side;
the detection steps are as follows:
1) The product is conveyed to the lower part of the detection device through the conveying device, and the cylinder drives the second bracket to move downwards along the first bracket so that the probe group is connected with the product;
2) Setting the pulse times N1 through the programmable controller, monitoring the pulse times N2 obtained on the product by the ammeter, feeding back the product to the programmable controller for counting by an electromagnetic attraction forming loop, wherein the times of forming the loop are N3, and comparing N1, N2 and N3 by the programmable controller, wherein when N1 = N2 = N3, the product is good; otherwise, the poor product or poor contact of the probe set with the product is indicated.
2. The method of claim 1, wherein the first actuator is a cylinder.
3. A method of detecting a relay according to claim 1, wherein the second actuator is a cylinder.
4. The method of claim 1, wherein the detecting device further comprises a stop lever, the stop lever being disposed above the second recess.
5. The method according to claim 1, wherein when n1=n2+.n3, it indicates that the product is not conductive, i.e. that the contact of the internal contacts of the product is not good; when n1+noten2=n3, poor contact between the probe set and the product is indicated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810135269.9A CN108051738B (en) | 2018-02-09 | 2018-02-09 | Relay detection device and detection method |
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| CN201810135269.9A CN108051738B (en) | 2018-02-09 | 2018-02-09 | Relay detection device and detection method |
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| CN108051738A CN108051738A (en) | 2018-05-18 |
| CN108051738B true CN108051738B (en) | 2024-01-26 |
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| CN110133487A (en) * | 2019-01-22 | 2019-08-16 | 苏州工业职业技术学院 | A kind of open test device of thermal protector |
| CN113466562B (en) * | 2021-07-26 | 2022-08-12 | 天津市易控科技发展有限公司 | Relay resistance value pre-testing system |
| CN113504469B (en) * | 2021-09-13 | 2022-01-21 | 广东电网有限责任公司东莞供电局 | Relay state comprehensive online monitoring and fault diagnosis device |
| CN114544117B (en) * | 2022-03-14 | 2023-10-27 | 荣耀终端有限公司 | Detection device, detection method thereof and production equipment |
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