CN110646853A - Production detection equipment of LED display equipment - Google Patents
Production detection equipment of LED display equipment Download PDFInfo
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- CN110646853A CN110646853A CN201911067635.2A CN201911067635A CN110646853A CN 110646853 A CN110646853 A CN 110646853A CN 201911067635 A CN201911067635 A CN 201911067635A CN 110646853 A CN110646853 A CN 110646853A
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- metal
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- alarm module
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 35
- 238000001514 detection method Methods 0.000 title claims abstract description 26
- 239000002184 metal Substances 0.000 claims abstract description 85
- 230000001939 inductive effect Effects 0.000 claims description 8
- 238000007689 inspection Methods 0.000 claims description 7
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000007257 malfunction Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
- G01V3/08—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices
Abstract
The invention provides production detection equipment of LED display equipment, which comprises a support table, a metal detector and an alarm module, wherein the support table is used for supporting the metal detector; the support table is used for placing the plastic suite; the metal detectors are fixed on the support table, are not positioned on the placing surface of the support table, and are used for corresponding to the metal nut mounting positions of the plastic external member one by one; the alarm module is electrically connected with all the metal detectors, and when all the metal detectors detect the metal nuts, the alarm module sends out a first acousto-optic prompt; when at least one of the metal detectors does not detect the metal nut, the alarm module sends out second sound light to remind, and the purpose of conveniently detecting the metal nut on the plastic suite is achieved.
Description
Technical Field
The invention belongs to the technical field of production detection, and particularly relates to production detection equipment of LED display equipment.
Background
The plastic sleeve of the LED display equipment needs to be provided with a metal nut so as to facilitate the installation of an LED module of the LED display equipment. In the production process of the LED display equipment, the metal nut is arranged in the plastic sleeve and is an important index for judging whether the plastic sleeve is qualified or not. Typically, the metal nuts in the plastic sleeve need to be inspected manually, which is inefficient.
Disclosure of Invention
The invention aims to provide production detection equipment of LED display equipment, which aims to solve the technical problem that in the prior art, a metal nut in a plastic sleeve needs to be manually checked, and the efficiency of the checking mode is low.
In order to achieve the purpose, the invention adopts the technical scheme that: the production detection device of the LED display equipment comprises a support table, a metal detector and an alarm module;
the support table is used for placing the plastic suite;
the metal detectors are fixed on the support table, are not positioned on the placing surface of the support table, and are used for corresponding to the metal nut mounting positions of the plastic external member one by one;
the alarm module is electrically connected with all the metal detectors, and when all the metal detectors detect the metal nuts, the alarm module sends out a first acousto-optic prompt;
when at least one of the metal detectors does not detect the metal nut, the alarm module sends out a second sound light prompt.
Further, the alarm module comprises an or gate circuit, an NPN triode, a first resistor, a first indicator light and a second indicator light, all the metal detectors are electrically connected to the or gate circuit, and when all the metal detectors detect the metal nuts, the or gate circuit outputs a low level; when at least one of the metal detectors does not detect the metal nut, the OR gate circuit outputs a high level, the base electrode of the NPN triode is electrically connected to the output end of the OR gate circuit, the collector electrode of the NPN triode is electrically connected to the negative electrode of the first indicator lamp, the positive electrode of the first indicator lamp and the positive electrode of the second indicator lamp are electrically connected to one end of the first resistor, the positive electrode of the second indicator lamp and the emitting set of the NPN triode are grounded, and the other end of the first resistor is input with a control voltage.
Furthermore, the alarm module further comprises a zener diode, a cathode of the zener diode is electrically connected to the other end of the first resistor, and an anode of the zener diode is connected to the first resistor.
Furthermore, the alarm module further comprises a second resistor, a third resistor and a third indicator light, wherein one end of the second resistor and one end of the third resistor are electrically connected to the negative electrode of the zener voltage stabilizing diode, the other end of the second resistor is input with the control voltage, the other end of the third resistor is electrically connected to the positive electrode of the third indicator light, and the negative electrode of the third indicator light is grounded.
Further, the first resistor, the second resistor and the third resistor have the same resistance value.
Further, the metal detector is set as an inductive proximity switch.
Furthermore, a plurality of through holes are arranged on the supporting platform, and the induction ends of the inductive proximity switches are positioned in the corresponding through holes
The production detection equipment for the LED display equipment has the beneficial effects that: compared with the prior art, when the worker inspects the plastic external member provided with the metal nut, the plastic external member is firstly placed in the production detection equipment, and then the production detection equipment sends out second sound light reminding information and carefully inspects the plastic external member, so that the efficiency of inspecting the plastic external member is improved. Whether the staff can know the plastic suite quickly to be a qualified product or not through first acousto-optic warning and second acousto-optic warning, and the production detection equipment is convenient to use.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of a production detection device of an LED display device according to an embodiment of the present invention;
fig. 2 is a first schematic circuit diagram of a production detection device of an LED display device according to an embodiment of the present invention;
fig. 3 is a second schematic circuit diagram of a production detection device of an LED display device according to an embodiment of the present invention.
Wherein, in the figures, the respective reference numerals:
1. a support table; 11. a through hole; 2. a metal detector; 3. an alarm module; 31. and gate circuit.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and is therefore not to be construed as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1 and fig. 2, a production inspection apparatus for an LED display device according to the present invention will now be described. A production detection device of LED display equipment comprises a support table 1, a metal detector 2 and an alarm module 3; the support table 1 is used for placing a plastic suite; the metal detectors 2 are fixed on the support table 1, are not positioned on the placing surface of the support table 1, and are used for corresponding to the metal nut mounting positions of the plastic external member one by one; the alarm module 3 is characterized in that all the metal detectors 2 are electrically connected to the metal detectors 2, and when all the metal detectors 2 detect the metal nuts, the alarm module 3 sends out a first sound-light prompt; when at least one of the metal detectors 2 does not detect the metal nut, the alarm module 3 sends out a second sound light prompt.
The use process comprises the following steps: the plastic suite provided with the metal nuts is placed on the support table 1, each metal detector 2 on the support table 1 is aligned to each metal nut installation position one by one, and then the metal detectors 2 and the alarm module 3 are powered. After the metal detectors 2 and the alarm modules 3 are powered on, if all the metal detectors 2 detect that metal nuts are arranged in corresponding metal nut mounting positions, the alarm modules 3 give out first acousto-optic prompts, and workers can judge that the plastic external member is a qualified product; if at least one metal detector 2 does not detect that a metal nut is arranged in the corresponding metal nut installation position, the alarm module 3 sends out second sound light to remind, and a worker can judge that the plastic external member is an unqualified product.
Compared with the prior art, when a worker inspects the plastic external member provided with the metal nut, the plastic external member is placed in the production detection equipment, and then the production detection equipment sends second sound light reminding information and then carefully inspects the plastic external member, so that the efficiency of inspecting the plastic external member is improved. Whether the staff can know the plastic suite quickly to be a qualified product or not through first acousto-optic warning and second acousto-optic warning, and the production detection equipment is convenient to use.
Further, referring to fig. 2 and fig. 3 together, as a specific embodiment of the production detection device of the LED display device provided by the present invention, the alarm module 3 includes an or gate circuit, an NPN transistor Q, a first resistor R1, a first indicator light LED1, and a second indicator light LED2, all the metal detectors 2 are electrically connected to the or gate circuit, and when all the metal detectors 2 detect the metal nuts, the or gate circuit outputs a low level; when at least one of the metal detectors 2 does not detect the metal nut, the or gate circuit outputs a high level, the base of the NPN triode Q is electrically connected to the output end of the or gate circuit, the collector of the NPN triode Q is electrically connected to the negative electrode of the first indicator light LED1, the positive electrode of the first indicator light LED1 and the positive electrode of the second indicator light LED2 are electrically connected to one end of the first resistor R1, the positive electrode of the second indicator light LED2 and the emission set of the NPN triode Q are grounded, and the other end of the first resistor R1 is inputted with a control voltage.
The or gate circuit ensures that a low level is output to the NPN triode Q only when all the metal detectors 2 detect the metal nuts, so that the NPN triode Q is controlled to be in a cut-off state, and because the voltage drops of the first indicator light LED1 and the second indicator light LED2 are different, the first indicator light LED1 is on, and the second indicator light LED2 is not on; the or gate circuit further ensures that when at least one metal detector 2 does not detect the metal nut, a high level is sent to the NPN triode Q, so that the NPN triode Q is controlled to be in a conducting state, at the moment, the first indicator light LED1 is not turned on, the second indicator light LED2 is turned on, and a user can judge whether the plastic suite is qualified or not through the display states of the first indicator light LED1 and the second indicator light LED 2.
Specifically, the first indicator LED1 is a green light emitting diode, and the second indicator LED2 is a red light emitting diode.
Specifically, 12 metal detectors 2 are provided, and the and gate circuit 31 includes a first and gate a1, a second and gate a2, a third and gate A3, a fourth and gate a4, a fifth and gate a5, a sixth and gate A6, a seventh and gate a7, an eighth and gate A8, a ninth and gate a9, a tenth and gate a10, an eleventh and gate a11, a twelfth and gate a12, and a ground resistor R5; the first input end and the second input end of the first and gate a1 are both electrically connected with a metal detector 2, the first input end and the second input end of the second and gate a2 are both electrically connected with a metal detector 2, the first input end and the second input end of the third and gate A3 are both electrically connected with a metal detector 2, the first input end and the second input end of the fourth and gate a4 are both electrically connected with a metal detector 2, the first input end and the second input end of the fifth and gate a5 are both electrically connected with a metal detector 2, and the first input end and the second input end of the sixth and gate a6 are both electrically connected with a metal detector 2; a first input end of the seventh and gate a7 is electrically connected to the output end of the first and gate a1, and a second input end is electrically connected to the output end of the second and gate a 2; a first input end of the eighth and gate A8 is electrically connected to the output end of the third and gate A3, and a second input end is electrically connected to the output end of the fourth and gate a 4; a first input end of the ninth and-gate a9 is electrically connected to the output end of the fifth and-gate a5, and a second input end is electrically connected to the output end of the sixth and-gate a 6; a first input end of the tenth and gate a10 is electrically connected to the output end of the seventh and gate a7, a second input end is electrically connected to the output end of the eighth and gate A8, a first input end of the eleventh and gate a11 is electrically connected to the output end of the ninth and gate a9, and a second input end is electrically connected to the ground resistor R5; a first input end of the twelfth AND gate A12 is electrically connected to the output end of the tenth AND gate A10, and a second input end is electrically connected to the output end of the eleventh AND gate A11; the output terminal of the twelfth and gate a12 is electrically connected to the collector of the NPN transistor Q.
Further, referring to fig. 2 and fig. 3 together, as a specific embodiment of the production detection device of the LED display device provided by the present invention, the alarm module 3 further includes a zener diode D, a cathode of the zener diode D is electrically connected to the other end of the first resistor R1, and an anode of the zener diode D is grounded to play a role of voltage stabilization, so as to ensure that the first indicator light LED1 or the second indicator light LED2 emits light, and ensure that the first indicator light LED1 and the second indicator light LED2 do not emit light at the same time.
Further, referring to fig. 2 and fig. 3 together, as a specific implementation of the production detection device of the LED display device provided by the present invention, the alarm module 3 further includes a second resistor R2, a third resistor R3, and a third indicator LED3, one end of the second resistor R2 and one end of the third resistor R3 are electrically connected to a negative electrode of the zener diode, the other end of the second resistor R2 inputs the control voltage, the other end of the third resistor R3 is electrically connected to a positive electrode of the third indicator LED3, and a negative electrode of the third indicator LED3 is grounded.
When the control voltage is input, that is, the production inspection apparatus is powered on, the third indicator light LED3 can emit light, thereby proving that the production inspection apparatus can be used. When the control voltage is not input, that is, the production inspection apparatus is powered off or malfunctions, the third indicator LED3 does not emit light at this time, so that the production inspection apparatus needs to check whether power has been applied and whether malfunctions occur. The first resistor R1, the second resistor R2 and the third resistor R3 play a role in shunting, and the first indicator light LED1, the second indicator light LED2 and the third indicator light LED3 are guaranteed to work normally.
Specifically, the third indicator light LED3 is provided as a yellow light emitting diode.
Preferably, the resistances of the first resistor R1, the second resistor R2 and the third resistor R3 are the same.
Further, referring to fig. 2 and fig. 3 together, as a specific embodiment of the production detection device of the LED display device provided by the present invention, the metal detector 2 is an inductive proximity switch, so as to achieve the purpose of detecting the metal nut in a non-contact manner, and improve the convenience of detecting the metal nut.
Further, referring to fig. 1, as a specific embodiment of the production detection equipment for the LED display device provided by the present invention, a plurality of through holes 11 are provided on the supporting platform 1, and the sensing end of the inductive proximity switch is located in the corresponding through hole 11, so that the inductive proximity switch is not located on the supporting surface of the supporting platform 1, and the sensing end of the inductive proximity switch is ensured to detect the metal nut.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. Production detection equipment of LED display equipment is characterized by comprising a support table, a metal detector and an alarm module;
the support table is used for placing the plastic suite;
the metal detectors are fixed on the support table, are not positioned on the placing surface of the support table, and are used for corresponding to the metal nut mounting positions of the plastic external member one by one;
the alarm module is electrically connected with all the metal detectors, and when all the metal detectors detect the metal nuts, the alarm module sends out a first acousto-optic prompt;
when at least one of all the metal detectors does not detect the metal nut, the alarm module sends out a second sound light prompt.
2. The production detection device of an LED display device according to claim 1, wherein the alarm module includes an or gate circuit, an NPN transistor, a first resistor, a first indicator light, and a second indicator light, all the metal detectors are electrically connected to the or gate circuit, and the or gate circuit outputs a low level when all the metal detectors detect the metal nuts; when at least one of the metal detectors does not detect the metal nut, the OR gate circuit outputs a high level, the base electrode of the NPN triode is electrically connected to the output end of the OR gate circuit, the collector electrode of the NPN triode is electrically connected to the negative electrode of the first indicator lamp, the positive electrode of the first indicator lamp and the positive electrode of the second indicator lamp are electrically connected to one end of the first resistor, the positive electrode of the second indicator lamp and the emitting set of the NPN triode are grounded, and the other end of the first resistor is input with a control voltage.
3. The production test apparatus for an LED display device according to claim 2, wherein the alarm module further comprises a zener diode, a cathode of the zener diode is electrically connected to the other end of the first resistor, and an anode of the zener diode is grounded.
4. The production inspection device of an LED display device according to claim 3, wherein the alarm module further comprises a second resistor, a third resistor, and a third indicator light, one end of the second resistor and one end of the third resistor are electrically connected to the cathode of the zener diode, the other end of the second resistor is inputted with the control voltage, the other end of the third resistor is electrically connected to the anode of the third indicator light, and the cathode of the third indicator light is grounded.
5. The production inspection apparatus for LED display devices as claimed in any of claims 2 to 4, wherein the metal detector is provided as an inductive proximity switch.
6. The production detection device of the LED display device as claimed in claim 5, wherein the supporting platform is provided with a plurality of through holes, and the sensing ends of the inductive proximity switches are located in the corresponding through holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911067635.2A CN110646853A (en) | 2019-11-04 | 2019-11-04 | Production detection equipment of LED display equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911067635.2A CN110646853A (en) | 2019-11-04 | 2019-11-04 | Production detection equipment of LED display equipment |
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| Publication Number | Publication Date |
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| CN110646853A true CN110646853A (en) | 2020-01-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911067635.2A Pending CN110646853A (en) | 2019-11-04 | 2019-11-04 | Production detection equipment of LED display equipment |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201145543Y (en) * | 2007-09-25 | 2008-11-05 | 比亚迪股份有限公司 | Screw nail automatic detection apparatus |
| CN203672814U (en) * | 2013-12-23 | 2014-06-25 | 厦门大学 | Metal detecting device applied in production line |
| CN106405674A (en) * | 2016-07-26 | 2017-02-15 | 河南凯邦电机有限公司 | Detection tool of motor bolt |
| CN108227034A (en) * | 2018-01-30 | 2018-06-29 | 创意塑胶工业（苏州）有限公司 | nut detection device |
| CN211426820U (en) * | 2019-11-04 | 2020-09-04 | 深圳市新光芯制器件有限公司 | Production detection equipment of LED display equipment |
-
2019
- 2019-11-04 CN CN201911067635.2A patent/CN110646853A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201145543Y (en) * | 2007-09-25 | 2008-11-05 | 比亚迪股份有限公司 | Screw nail automatic detection apparatus |
| CN203672814U (en) * | 2013-12-23 | 2014-06-25 | 厦门大学 | Metal detecting device applied in production line |
| CN106405674A (en) * | 2016-07-26 | 2017-02-15 | 河南凯邦电机有限公司 | Detection tool of motor bolt |
| CN108227034A (en) * | 2018-01-30 | 2018-06-29 | 创意塑胶工业（苏州）有限公司 | nut detection device |
| CN211426820U (en) * | 2019-11-04 | 2020-09-04 | 深圳市新光芯制器件有限公司 | Production detection equipment of LED display equipment |
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