CN106501664B - Detection equipment and detection system for electrical equipment - Google Patents
Detection equipment and detection system for electrical equipment Download PDFInfo
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- CN106501664B CN106501664B CN201611073709.XA CN201611073709A CN106501664B CN 106501664 B CN106501664 B CN 106501664B CN 201611073709 A CN201611073709 A CN 201611073709A CN 106501664 B CN106501664 B CN 106501664B
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- 230000002159 abnormal effect Effects 0.000 claims description 16
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- 238000004519 manufacturing process Methods 0.000 description 9
- 230000002093 peripheral effect Effects 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
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- 102000005591 NIMA-Interacting Peptidylprolyl Isomerase Human genes 0.000 description 4
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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
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/66—Testing of connections, e.g. of plugs or non-disconnectable joints
- G01R31/68—Testing of releasable connections, e.g. of terminals mounted on a printed circuit board
- G01R31/69—Testing of releasable connections, e.g. of terminals mounted on a printed circuit board of terminals at the end of a cable or a wire harness; of plugs; of sockets, e.g. wall sockets or power sockets in appliances
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
- G01R19/16566—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533
- G01R19/1659—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533 to indicate that the value is within or outside a predetermined range of values (window)
- G01R19/16595—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533 to indicate that the value is within or outside a predetermined range of values (window) with multi level indication
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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
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/66—Testing of connections, e.g. of plugs or non-disconnectable joints
- G01R31/68—Testing of releasable connections, e.g. of terminals mounted on a printed circuit board
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
The invention discloses detection equipment and system of electrical equipment, and relates to the field of electrical equipment detection. The electrical device comprises a first connector and a first module for electrically connecting with the first connector; the detection apparatus includes: the first resistor, the second resistor and the output module; the first end of the first resistor is connected with a power supply voltage; the second end of the first resistor is used for being electrically connected with the first pin of the first connector through the second resistor; the second end of the first resistor is also used for being connected with the first end of the output module; the second end of the output module is used for being connected with a second pin of the first connector; the output module is used for: and outputting an electric connection state between the first connector and the first module when the first connector is plugged with the first module and the first pin of the first module is electrically connected with the second pin of the first module. The detection method is rapid.
Description
Technical Field
The invention relates to the field of electric appliances, in particular to detection equipment and detection system of electric equipment.
Background
Many of the current devices are composed of a plurality of modules, and the communication between the modules needs to be connected by wires, which requires that whether the wires or connectors are plugged or not be plugged in the actual production assembly.
However, in this way, there is still a bad omission such as skew of the wire or connector insert, which may not be noticeable to the naked eye. Thus, the machine is required to be disassembled again until the later function verification is not found, and the labor hour is wasted.
In another method, after the equipment is powered, whether the functions of each module are normal or not can be tested sequentially, so that accuracy can be guaranteed. However, if the module functions more, time is wasted, and the production efficiency of the production line is reduced.
Fig. 1 is a schematic circuit diagram of the prior art, 4 modules are built on the periphery of a main platform, the main platform and the modules are connected through wires, the wires are required to be inserted into connectors 1-4, the function of the modules can be realized, an operator needs to sequentially confirm whether the connectors 1-4 are inserted in place or not in the actual production, because the abnormal situation is unavoidably observed by naked eyes, in addition, the wires are inclined and sometimes unaware of the abnormal situation by naked eyes, and only the electrified function inspection of the rear end can be found. However, when the rear end finds the problem again, the machine is reworked and detached, so that the workload becomes large.
Disclosure of Invention
The detection device and the detection system for the electrical equipment can quickly identify whether the connector or the wire is plugged in or out.
In order to achieve the above purpose, the technical scheme of the invention is realized as follows:
a detection device for an electrical apparatus, the electrical apparatus comprising a first connector and a first module for electrical connection with the first connector; the detection apparatus includes: the first resistor, the second resistor and the output module;
the first end of the first resistor is connected with a power supply voltage;
the second end of the first resistor is used for being electrically connected with the first pin of the first connector through the second resistor;
the second end of the first resistor is also used for being connected with the first end of the output module;
the second end of the output module is used for being connected with a second pin of the first connector;
the output module is used for: and outputting an electric connection state between the first connector and the first module when the first connector is plugged with the first module and the first pin of the first module is electrically connected with the second pin of the first module.
The output module is as follows: the lamplight output module is used for emitting first color light when the voltage value input by the first end of the output module is larger than a threshold value, and the electrical connection state between the first connector and the first module is abnormal; or when the voltage value input by the first end of the output module is smaller than or equal to the threshold value, a second color light is emitted to indicate that the electric connection state is normal.
The output module is as follows: the sound output module is used for emitting a first sound when the voltage value input by the first end of the output module is larger than a threshold value, and the electrical connection state between the first connector and the first module is abnormal; or when the voltage value input by the first end of the output module is smaller than or equal to the threshold value, making a second sound to indicate that the electric connection state is normal.
When the electrical device further comprises: at least one second connector and at least one second module respectively connected with the second connectors, the detection device further comprises: a third resistor;
the second end of the first resistor is further configured to: electrically connected to the first pin of the second connector through the third resistor;
the second end of the output module is also used for being electrically connected with a second pin of the second connector;
the output module is used for: when the first connector is plugged with the first module, and the first pin of the first module is electrically connected with the second pin of the first module, the second connector is plugged with the second module, and the first pin of the second module is electrically connected with the second pin of the second module, the electrical connection state between the first connector and the first module and the electrical connection state between the second connector and the second module are output.
The output module is as follows: the light output module is used for emitting first color light when the voltage value input by the first end of the output module is larger than a threshold value, and at least one of the electric connection state between the first connector and the first module and the electric connection state between the second connector and the second module is an abnormal state; or when the voltage value input by the first end of the output module is smaller than or equal to the threshold value, a second color light is emitted to indicate that the electric connection state between the first connector and the first module and the electric connection state between the second connector and the second module are normal.
The output module is as follows: a sound output module configured to emit a first sound indicating that at least one of an electrical connection state between the first connector and the first module and an electrical connection state between the second connector and the second module is an abnormal state when a voltage value input at a first end of the output module is greater than a threshold value; or when the voltage value input by the first end of the output module is smaller than or equal to the threshold value, a second sound is emitted to indicate that the electric connection state between the first connector and the first module and the electric connection state between the second connector and the second module are normal.
The output module is a display screen and is used for displaying the voltage value input by the first end of the output module.
When pins in the first connector are arranged in a row, the first pins and the second pins of the first connector are respectively positioned at two ends of the first connector; or (b)
When pins in the first connector are arranged in at least two rows, the first pins and the second pins of the first connector are respectively positioned at two ends of a diagonal line of the first connector;
when pins in the second connector are arranged in a row, the first pins and the second pins of the second connector are respectively positioned at two ends of the second connector; or (b)
When pins in the second connector are arranged in at least two rows, the first pins and the second pins of the second connector are respectively positioned at two ends of a diagonal line of the second connector.
A detection system for an electrical device, comprising: electrical equipment and detection equipment of the electrical equipment.
The embodiment of the invention has the beneficial effects that: in the above embodiment, when the first connector is electrically connected to the first module and the first pin and the second pin of the first module are electrically connected, the output module may output the electrical connection state between the first connector and the first module in the electrical apparatus, so that the detection is relatively simple and rapid.
Drawings
FIG. 1 is a schematic diagram of a prior art connection of connectors and modules in a host platform;
FIG. 2 is a schematic diagram of a prior art connector;
FIG. 3 is a schematic connection diagram of an embodiment of a detection device of an electrical device according to the present invention;
FIG. 4 is a schematic connection diagram of an embodiment of a detection system for an electrical device according to the present invention;
FIG. 5 is a schematic connection diagram of another embodiment of a detection device of an electrical device according to the present invention;
FIG. 6 is a schematic diagram illustrating connection of another embodiment of a detection system for an electrical device according to the present invention;
fig. 7 is a schematic diagram of connection between a main platform (electrical device) and an application scenario of a detection device according to the present invention;
FIG. 8 is a schematic view of a connector according to an embodiment of the present invention;
fig. 9 is a schematic circuit connection diagram of an application scenario of the electrical device and the detection device according to the present invention.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the embodiments of the present invention will be described in further detail with reference to the accompanying drawings.
The design idea of the invention is as follows: when the apparatus is composed of a plurality of modules, the communication between the modules needs to be connected by wires, which requires that whether the wires or connectors are plugged in place or not be confirmed in the actual production assembly. The invention designs a circuit on a product circuit board of a main platform, is associated with ports of connectors or wires, and adds a connector on the board, reserves a detection device connected with the periphery, only when the wires or the connectors of the product are all inserted in place and have normal functions, the connected peripheral detection device can send out normal signals (such as optical signals, sound signals or display signals, etc.), that is, production line operators do not need to check the wires or the connectors by naked eyes, and do not need to power up the function of checking the module by next, and only the designed detection device is inserted at the reserved connector position of the board, so that the output result of the detection device can be accurately and efficiently seen.
FIG. 3 is a schematic connection diagram of an embodiment of a detection device of an electrical device according to the present invention; fig. 4 is a connection schematic diagram of a detection system of an electrical device according to the present invention. Fig. 8 is a schematic view of a connector according to an embodiment of the invention. The following description is made with reference to the drawings. The electrical equipment comprises a first connector I11 and a first module U11 for being electrically connected with the first connector; the detection apparatus includes: the first resistor R1, the second resistor R21 and the output module U1;
the first end of the first resistor R1 is connected with a power supply voltage VCC;
the second end of the first resistor R1 is electrically connected to the first pin of the first connector I11 through the second resistor R21;
the second end of the first resistor R1 is also used for being connected with the first end of the output module U1;
the second end of the output module U1 is used for being connected with a second pin of the first connector I11;
the output module U1 is configured to: when the first connector and the first module are plugged and the first pin of the first module and the second pin of the first module are electrically connected, an electrical connection state between the first connector I11 and the first module U11 is output.
In this embodiment, when the first connector is plugged with the first module, the first pin of the first connector is plugged with the first pin of the first module, and the second pin of the first connector is plugged with the second pin of the first module. Wherein, the first PIN of the first connector may be PIN1 in fig. 8, and the second PIN of the first connector may be PIN7 in fig. 8.
In the above embodiment, when the first connector is plugged with the first module, and the first pin of the first module is electrically connected with the second pin of the first module, the electrical connection state between the first connector I11 and the first module U11 is output, so as to determine whether the first connector is plugged with the first module in place.
Alternatively, the output module U1 may be: the lamplight output module is used for emitting first color light when the voltage value input by the first end of the output module is larger than a threshold value, and the electrical connection state between the first connector and the first module is abnormal; or when the voltage value input by the first end of the output module is smaller than or equal to the threshold value, a second color light is emitted to indicate that the electric connection state is normal. Wherein the magnitude of the threshold is determined by the resistance of each resistor.
Alternatively, the output module U1 may be: the sound output module is used for emitting a first sound when the voltage value input by the first end of the output module is larger than a threshold value, and the electrical connection state between the first connector and the first module is abnormal; or when the voltage value input by the first end of the output module is smaller than or equal to the threshold value, making a second sound to indicate that the electric connection state is normal.
Optionally, the output module U1 may be a display screen, configured to display a voltage value input at the first end of the output module.
When pins in the first connector are arranged in a row, the first pins and the second pins of the first connector are respectively positioned at two ends of the first connector; or (b)
When pins in the first connector are arranged in at least two rows, the first pins and the second pins of the first connector are respectively positioned at two ends of a diagonal line of the first connector.
In the above embodiment, generally, as long as pins at two ends of the connector are completely contacted, pins at other places cannot be skewed or biased, and as long as pins 1 (serving as a first pin) and pins 7 (serving as a second pin) are completely contacted, the plugging contact of almost the whole connector is free from problems, and the detection effect is better improved.
FIG. 5 is a schematic connection diagram of an embodiment of a detection device of an electrical device according to the present invention; fig. 6 is a connection schematic diagram of a detection system of an electrical device according to the present invention. FIG. 8 is a schematic view of a connector according to an embodiment of the present invention; the following description is made with reference to the drawings.
In this embodiment, the electrical apparatus further includes: when at least one second connector I12 and at least one second module U12 respectively connected to the second connector I12, the detecting apparatus further comprises: a third resistor R22;
the second end of the first resistor R1 is further configured to: electrically connected to the first pin of the second connector I12 through the third resistor R22;
the second end of the output module U1 is also used for being electrically connected with a second pin of the second connector I12;
the output module U1 is configured to: when the first connector is plugged with the first module, and the first pin of the first module is electrically connected with the second pin of the first module, the second connector is plugged with the second module, and the first pin of the second module is electrically connected with the second pin of the second module, the electrical connection state between the first connector and the first module and the electrical connection state between the second connector and the second module are output.
The embodiment is used for the condition that the electrical equipment is connected with at least two connectors, and can detect whether a plurality of connectors are plugged in place or not at the same time, and the output module can output corresponding signals only if one connector is not plugged in place.
Alternatively, the output module U1 may be: the light output module is used for emitting first color light when the voltage value input by the first end of the output module is larger than a threshold value, and at least one of the electric connection state between the first connector and the first module and the electric connection state between the second connector and the second module is an abnormal state; or when the voltage value input by the first end of the output module is smaller than or equal to the threshold value, a second color light is emitted to indicate that the electric connection state between the first connector and the first module and the electric connection state between the second connector and the second module are normal.
Alternatively, the output module U1 may be: a sound output module configured to emit a first sound indicating that at least one of an electrical connection state between the first connector and the first module and an electrical connection state between the second connector and the second module is an abnormal state when a voltage value input at a first end of the output module is greater than a threshold value; or when the voltage value input by the first end of the output module is smaller than or equal to the threshold value, a second sound is emitted to indicate that the electric connection state between the first connector and the first module and the electric connection state between the second connector and the second module are normal.
Optionally, the output module U1 may be a display screen, configured to display a voltage value input at the first end of the output module.
When pins in the first connector are arranged in a row, the first pins and the second pins of the first connector are respectively positioned at two ends of the first connector; or (b)
When pins in the first connector are arranged in at least two rows, the first pins and the second pins of the first connector are respectively positioned at two ends of a diagonal line of the first connector;
when pins in the second connector are arranged in a row, the first pins and the second pins of the second connector are respectively positioned at two ends of the second connector; or (b)
When pins in the second connector are arranged in at least two rows, the first pins and the second pins of the second connector are respectively positioned at two ends of a diagonal line of the second connector.
In the above embodiment, in general, as long as pins at two ends of the connector are completely contacted, pins at other places cannot be skewed or biased, and as long as pins 1 (serving as a first pin) and pins 7 (serving as a second pin) are completely contacted, the plugging contact of almost the whole connector is not problematic, and the detection effect is better improved.
The following describes an application scenario of the present invention.
The invention relates to a rapid detection design for plugging and unplugging of an electrical equipment connector or a wire rod, which can rapidly identify whether the equipment connector or the wire rod is plugged and unplugged in place or not, and detect whether the connection between the wire rod and the connector is abnormal, thereby ensuring the detection accuracy and providing the production efficiency. That is, the production line operation is convenient and quick, and the production efficiency is improved. In addition, the result is accurate, missing or bad downflow is not caused, and the detection accuracy is improved.
The module is usually powered by a power supply, as shown in fig. 2, which is a signal diagram of a connector in the prior art. The scheme of the invention is as follows: a circuit is designed on a circuit board of a product, is associated with ports of connectors or wires, a connector is additionally arranged on a board, a detection device which is connected with the periphery is reserved, and only when the wires or the connectors of the product are all inserted in place and function normally, the connected peripheral detection device can send out normal signals (such as optical signals, sound signals or display signals) so as to ensure that an operator of the product line does not need to check the wires or the connectors by naked eyes or to power up a next check module, and only the designed detection device is inserted at the position of the reserved connector of the board, so that the output result of the detection device can be accurately and efficiently seen.
Fig. 7 is a schematic diagram of connection between a main platform (electrical device) and an application scenario of a detection device according to the present invention. Fig. 1 is a schematic diagram of the connection of connectors and modules in a main platform according to the prior art. The invention adds a connector 5 on the basis of fig. 1, and is used for being connected with peripheral detection equipment and rapidly detecting whether the connector or the wire rod is inserted in place or is not inserted. In addition, the signal definition of the connector is to be modified again and the design is to be added, which is described in detail below.
As a detection of whether the connector is missed or plugged, pins on two sides of the connector can be simply detected, as shown in fig. 8, generally, as long as pins on two ends of the connector are completely contacted, pins on other places cannot be skewed or plugged, and as long as pins 1 (serving as a first pin) and pins 7 (serving as a second pin) are completely contacted, the plugging contact of almost the whole connector is not problematic, and a circuit designed according to fig. 8 is shown in fig. 9.
The peripheral device is internally provided with a power supply VCC and a resistor R1, and the power supply VCC and the resistor R1 are connected with the main platform through two signals.
The connectors PIN1 and PIN7 of the main platform are not connected, the PIN1 and PIN7 on the module 1 are connected, so that only the module 1 and the connector 1 are in perfect contact, the PIN1 and the PIN7 of the connector of the main platform can be connected together, a loop can be formed between VCC, R1, R21 and the ground, and the normal voltage on the test point is the result of the partial voltage of R1 and R21.
In the same way, other connectors form loops through the external modules respectively, and if all the connectors are in perfect contact, the partial pressure results after the R1 and the R21, the R22, the R23 and the R24 are connected in parallel are fed back to the test points. And the peripheral test equipment can judge whether the contact is good or not by setting the value of the test point. The numerical value of the test point can be prompted through a display screen or a sound type prompt. That is, the operator can know whether all connectors are inserted in place or abnormal by simply inserting the device into the connector 5, and the operation is simple, quick and accurate.
The foregoing description is only of the preferred embodiments of the present invention and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention are included in the protection scope of the present invention.
Claims (9)
1. A detection device for an electrical apparatus, the electrical apparatus comprising a first connector and a first module for electrical connection with the first connector; characterized in that the detection device comprises: the first resistor, the second resistor and the output module;
the first end of the first resistor is connected with a power supply voltage;
the second end of the first resistor is used for being electrically connected with the first pin of the first connector through the second resistor;
the second end of the first resistor is also used for being electrically connected with the first end of the output module;
the second end of the output module is used for being electrically connected with a second pin of the first connector;
the output module is used for: and outputting an electric connection state between the first connector and the first module when the first connector is plugged with the first module and the first pin of the first module is electrically connected with the second pin of the first module.
2. The apparatus according to claim 1, wherein,
the output module is as follows: the lamplight output module is used for emitting first color light when the voltage value input by the first end of the output module is larger than a threshold value, and the electrical connection state between the first connector and the first module is abnormal; or when the voltage value input by the first end of the output module is smaller than or equal to the threshold value, a second color light is emitted to indicate that the electric connection state is normal.
3. The apparatus according to claim 1, wherein,
the output module is as follows: the sound output module is used for emitting a first sound when the voltage value input by the first end of the output module is larger than a threshold value, and the electrical connection state between the first connector and the first module is abnormal; or when the voltage value input by the first end of the output module is smaller than or equal to the threshold value, making a second sound to indicate that the electric connection state is normal.
4. The detection device of claim 1, wherein when the electrical device further comprises: at least one second connector and at least one second module respectively connected with the second connectors, the detection device further comprises: a third resistor;
the second end of the first resistor is further configured to: electrically connected to the first pin of the second connector through the third resistor;
the second end of the output module is also used for being electrically connected with a second pin of the second connector;
the output module is used for: when the first connector is plugged with the first module, and the first pin of the first module is electrically connected with the second pin of the first module, the second connector is plugged with the second module, and the first pin of the second module is electrically connected with the second pin of the second module, the electrical connection state between the first connector and the first module and the electrical connection state between the second connector and the second module are output.
5. The apparatus according to claim 4, wherein,
the output module is as follows: the light output module is used for emitting first color light when the voltage value input by the first end of the output module is larger than a threshold value, and at least one of the electric connection state between the first connector and the first module and the electric connection state between the second connector and the second module is an abnormal state; or when the voltage value input by the first end of the output module is smaller than or equal to the threshold value, a second color light is emitted to indicate that the electric connection state between the first connector and the first module and the electric connection state between the second connector and the second module are normal.
6. The apparatus according to claim 4, wherein,
the output module is as follows: a sound output module configured to emit a first sound indicating that at least one of an electrical connection state between the first connector and the first module and an electrical connection state between the second connector and the second module is an abnormal state when a voltage value input at a first end of the output module is greater than a threshold value; or when the voltage value input by the first end of the output module is smaller than or equal to the threshold value, a second sound is emitted to indicate that the electric connection state between the first connector and the first module and the electric connection state between the second connector and the second module are normal.
7. The apparatus according to claim 1 or 4, wherein the output module is a display screen for displaying the voltage value input at the first end of the output module.
8. The detecting apparatus according to claim 1 or 4, wherein,
when pins in the first connector are arranged in a row, the first pins and the second pins of the first connector are respectively positioned at two ends of the first connector; or (b)
When pins in the first connector are arranged in at least two rows, the first pins and the second pins of the first connector are respectively positioned at two ends of a diagonal line of the first connector.
9. A detection system for an electrical device, comprising: an electrical device and a detection device for an electrical device according to any of claims 1-8.
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| CN201611073709.XA CN106501664B (en) | 2016-11-29 | 2016-11-29 | Detection equipment and detection system for electrical equipment |
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| CN201611073709.XA CN106501664B (en) | 2016-11-29 | 2016-11-29 | Detection equipment and detection system for electrical equipment |
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| JP2007046992A (en) * | 2005-08-09 | 2007-02-22 | Ricoh Co Ltd | Electric device |
| CN101769977A (en) * | 2008-12-30 | 2010-07-07 | 鸿富锦精密工业（深圳）有限公司 | Connector detection system |
| CN106067612A (en) * | 2016-04-21 | 2016-11-02 | 中国北方车辆研究所 | High direct voltage electric connector and connection reliability checking method thereof |
| CN105866611A (en) * | 2016-04-28 | 2016-08-17 | 乐视控股（北京）有限公司 | Antenna plugging state detection device |
| CN206281933U (en) * | 2016-11-29 | 2017-06-27 | 歌尔科技有限公司 | The testing equipment and detecting system of a kind of electric equipment |
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