CN111830307A - Power supply detection interface device of direct current load equipment - Google Patents
Power supply detection interface device of direct current load equipment Download PDFInfo
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- CN111830307A CN111830307A CN202010506581.1A CN202010506581A CN111830307A CN 111830307 A CN111830307 A CN 111830307A CN 202010506581 A CN202010506581 A CN 202010506581A CN 111830307 A CN111830307 A CN 111830307A
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- 238000001514 detection method Methods 0.000 title claims abstract description 32
- 239000000523 sample Substances 0.000 claims abstract description 38
- 238000006243 chemical reaction Methods 0.000 claims abstract description 12
- 238000012360 testing method Methods 0.000 claims description 7
- 239000011810 insulating material Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
- G01R15/12—Circuits for multi-testers, i.e. multimeters, e.g. for measuring voltage, current, or impedance at will
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
- G01R1/0416—Connectors, terminals
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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
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- General Physics & Mathematics (AREA)
- Measurement Of Current Or Voltage (AREA)
Abstract
The invention relates to the technical field of power supply detection, and discloses a power supply detection interface device of direct-current load equipment, which comprises a shell, a probe jack and a voltage/current selection button, wherein the probe jack and the voltage/current selection button are arranged on the shell, a conversion circuit board is arranged inside the shell, a plurality of groups of plug connector male and female heads with different types are arranged on the side wall of the shell, and the probe jack, the voltage/current selection button, the conversion circuit board and the plug connector male and female heads are electrically connected. The power supply detection interface device of the direct current load equipment provided by the invention can be used for rapidly and conveniently detecting the terminal voltage and the current of the equipment by using the universal meter on the premise of not damaging the power supply precast interface and the precast cable of the equipment. Meanwhile, the types of the male and female heads of the multiple groups of plug connectors are different, so that the compatibility of various common power supply precast cable interfaces can be realized by switching different precast interface cables.
Description
Technical Field
The invention relates to the technical field of power supply detection, in particular to a power supply detection interface device of direct current load equipment.
Background
The existing automatic production line is widely applied to equipment such as a valve terminal, a remote IO module and the like, a rated direct current 24V switching power supply is adopted for supplying power, power interfaces are all in a pre-cast cable interface mode, the installation is convenient, and the connection reliability is high.
Because the voltage division of the cable in the direct-current low-voltage power supply line is obvious, when the equipment is put into operation, the actual voltage of the load equipment end is necessarily lower than the output voltage of the direct-current power supply, the higher the load current of the equipment is, the more the voltage division of the power supply cable is, and when the actual voltage of the equipment end is lower than the lowest voltage allowed by normal operation due to the line voltage division, the equipment cannot work normally.
After the equipment is installed and in the production operation process, the equipment needs to be measured in order to detect whether the voltage of the equipment end meets the minimum operation voltage requirement. However, the equipment generally adopts a pre-cast cable interface form, after the power supply pre-cast cable is connected with the equipment power interface, the power supply pre-cast cable is difficult to measure through a universal meter, and the probe of a voltmeter can be taken to two ends of a load to measure the voltage during actual operation only by destroying the insulating layer of the pre-cast cable. The method not only causes the damage of the pre-cast cable, but also needs a great deal of time for cutting and replacing the cable, increases the labor cost and the equipment cost, has low detection efficiency, and cannot carry out short-time large-batch detection; in addition, the operation of destructive detection and cable replacement is carried out in the line body of putting into production operation, increases equipment fault risk, and based on this condition, leads to the detection time need consider equipment production operation condition, and it is not high to detect implementation feasibility.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a power supply detection interface device of direct current load equipment, which can quickly and conveniently detect the terminal voltage and the current of the equipment by using a universal meter on the premise of not damaging a power supply precast interface and a precast cable of the equipment, and can realize the compatibility of various common power supply precast cable interfaces by switching different precast interface cables.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the utility model provides a direct current load equipment's power supply detection interface arrangement, is in including casing, setting probe jack, voltage/electric current selection button on the casing, the inside of casing is equipped with the conversion circuit board, be equipped with the plug connector public female head of multiunit different grade type on the lateral wall of casing, the probe jack voltage/electric current selection button the conversion circuit board with the electricity is connected between the plug connector public female head.
Preferably, the probe jacks comprise two groups of jacks for realizing simultaneous testing of two paths of power supplies of the direct-current load equipment, and the male and female connectors of the plug connectors comprise four groups.
Preferably, the conversion circuit board comprises two paths of power supply male sides X1, X2, X3 and X4 and female sides X5, X6, X7 and X8, and the two paths of power supply male sides X1, X2, X3 and X4 and the female sides X5, X6, X7 and X8 are respectively connected with the corresponding plug male and female connectors; the probe socket also comprises probe connection points X9 and X10, X11 and X12 which respectively supply power for two paths and are respectively connected to four jacks of the probe jacks.
Preferably, the four groups of plug connector male and female heads are 7/8 'four-pin plug connector male and female head, 7/8' five-pin plug connector male and female head, M12 four-pin plug connector male and female head and M12 five-pin plug connector male and female head respectively.
Preferably, the receptacle size of the probe receptacle matches the probe head of the multimeter.
Preferably, the housing is made of an insulating material and includes a main body and a cover detachably covering the main body.
Preferably, the probe jack and the voltage/current selection button are embedded in the cover.
Compared with the prior art, the power supply detection interface device of the direct current load equipment has the advantages that: through the plug connector public-female head that sets up the multiunit different grade type on the casing, select suitable plug connector public-female head earlier when needing to detect, then twist off the power supply precasting cable of equipment under test, confirm the public-female head distribution of power interface and the power supply precasting cable of equipment under test, the plug connector that will be connected to on the interface arrangement casing is pegged graft according to public-female head matching mode respectively, after the detection is accomplished, can resume equipment normal use with the power interface and the power supply precasting cable connection of equipment under test again, and simultaneously, owing to set up voltage/electric current selection button, thereby realized not carrying out under the prerequisite of destroying to equipment power supply precasting interface and precasting cable, quick convenient use universal meter carries out equipment terminal voltage, current detection. Meanwhile, the types of the male and female heads of the multiple groups of plug connectors are different, so that the compatibility of various common power supply precast cable interfaces can be realized by switching different precast interface cables. The invention has simple operation, good use effect and easy popularization and use.
Drawings
Fig. 1 is a schematic structural diagram of a power supply detection interface device of a dc load apparatus according to the present invention.
Fig. 2 is a schematic diagram of a conversion circuit board of the power supply detection interface device of the dc load apparatus according to the present invention.
Wherein: the probe comprises a shell 1, a probe jack 2, a voltage/current selection button 3, a conversion circuit board 4, a four-pin connector male-female head 5-7/8, a five-pin connector male-female head 6-7/8, a four-pin connector male-female head 7-M12 and a five-pin connector male-female head 8-M12.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the power supply detection interface device of the dc load device of this embodiment includes a housing 1, a probe jack 2 and a voltage/current selection button 3, which are disposed on the housing 1, a conversion circuit board 4 is disposed inside the housing 1, a plurality of sets of plug connector male and female heads of different types are disposed on a side wall of the housing 1, and the probe jack 2, the voltage/current selection button 3, the conversion circuit board 4 and the plug connector male and female heads are electrically connected.
The power supply detection interface device of the direct current load equipment based on the technical characteristics selects a proper plug connector male and female head when detection is needed by arranging a plurality of groups of plug connector male and female heads with different types on the shell 1, then the power supply precast cable of the detected equipment is unscrewed, the distribution of the power interface of the detected equipment and the male and female heads of the power supply precast cable is confirmed, the plug connectors connected to the interface device shell 1 are respectively plugged according to the male and female head matching mode, after the detection is finished, the normal use of the equipment can be recovered by connecting the power interface of the detected equipment with the power supply precast cable again, and simultaneously, because the voltage/current selection button 3 is arranged, the detection of the terminal voltage and the current of the equipment can be quickly and conveniently carried out by using the universal meter on the premise of not damaging the power supply precast interface and the precast cable of the equipment. Meanwhile, the types of the male and female heads of the multiple groups of plug connectors are different, so that the compatibility of various common power supply precast cable interfaces can be realized by switching different precast interface cables. The invention has simple operation, good use effect and easy popularization and use.
In this embodiment, the probe jack 2 includes two sets of jacks for realizing the simultaneous testing of two paths of power supplies of the direct-current load device, and meanwhile, the male and female plug connectors include four sets. Referring to fig. 2, correspondingly, the converting circuit board 4 includes two paths of power-supplied male sides X1, X2, X3, X4 and female sides X5, X6, X7, X8, and the two paths of power-supplied male sides X1, X2, X3, X4 and female sides X5, X6, X7, X8 are respectively connected to the corresponding male and female connectors of the plug connector; the probe socket also comprises probe connection points X9 and X10, X11 and X12 which respectively supply power for two paths and are respectively connected to four jacks of the probe jacks 2. The two groups of switch contacts are controlled by the toggle of the voltage/current selection button 3, when a voltage gear is selected, the contacts 1/2, 3/4, 6/7 and 8/9 are closed and communicated, when a current gear is selected, the contacts 1/2 and 6/7 are disconnected, and the contacts 4/5 and 9/10 are closed and communicated, so that the power supply detection interface device of the direct current load equipment has the capability of simultaneously testing two paths of power supplies of the conventional direct current load equipment.
In this embodiment, the four sets of plug connector male and female heads may be of any specification and any model, and may be specifically selected and replaced according to the type of the power interface of the device to be detected, thereby realizing compatibility with various conventional dc power supply interfaces. Preferably, however, the four sets of the plug male and female connectors are 7/8 "four-pin plug male and female connectors 5, 7/8" five-pin plug male and female connectors 6, M12 four-pin plug male and female connectors 7 and M12 five-pin plug male and female connectors 8, respectively, and the male and female connectors of each set are respectively installed on two sides of the housing 1.
In the embodiment, the size of the jack of the probe jack 2 is matched with the probe of a multimeter, and a multimeter probe can be stably inserted into the probe jack 2 without an operator holding the probe for detection.
In this embodiment, the housing 1 is made of an insulating material, and includes a main body and a cover body, and the cover body is detachably covered on the main body, so that the parts inside the housing 1 can be replaced conveniently. During installation, the probe jack 2 and the voltage/current selection button 3 are embedded on the cover body, so that the operation is convenient during actual use.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (7)
1. A power supply detection interface device of direct current load equipment is characterized in that: the multifunctional probe comprises a shell, a probe jack and a voltage/current selection button, wherein the probe jack and the voltage/current selection button are arranged on the shell, a conversion circuit board is arranged inside the shell, a plurality of groups of plug connector male and female heads with different types are arranged on the side wall of the shell, and the probe jack and the voltage/current selection button are electrically connected between the conversion circuit board and the plug connector male and female heads.
2. The power supply detection interface apparatus of a dc load device as claimed in claim 1, wherein: the probe jacks comprise two groups of jacks for realizing simultaneous testing of two paths of power supplies of direct-current load equipment, and the male and female connectors of the plug connectors comprise four groups.
3. The power supply detection interface apparatus of the dc load device according to claim 2, wherein: the conversion circuit board comprises two paths of power supply male sides X1, X2, X3 and X4 and female sides X5, X6, X7 and X8, and the two paths of power supply male sides X1, X2, X3 and X4 are respectively connected with the corresponding plug connector male and female heads; the probe socket also comprises probe connection points X9 and X10, X11 and X12 which respectively supply power for two paths and are respectively connected to four jacks of the probe jacks.
4. The power supply detection interface apparatus of the dc load device according to claim 2, wherein: the four groups of plug connector male and female heads are 7/8 'four-pin plug connector male and female head, 7/8' five-pin plug connector male and female head, M12 four-pin plug connector male and female head and M12 five-pin plug connector male and female head respectively.
5. The power supply detection interface apparatus of a dc load device as claimed in claim 1, wherein: and the size of the jack of the probe jack is matched with the probe of the multimeter.
6. A power supply detection interface apparatus for a dc load device as claimed in any one of claims 1 to 5, wherein: the shell is made of insulating materials and comprises a main body and a cover body, and the cover body is detachably covered on the main body.
7. The power supply detection interface apparatus of a dc load device of claim 6, wherein: the probe jack and the voltage/current selection button are embedded on the cover body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010506581.1A CN111830307A (en) | 2020-06-05 | 2020-06-05 | Power supply detection interface device of direct current load equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010506581.1A CN111830307A (en) | 2020-06-05 | 2020-06-05 | Power supply detection interface device of direct current load equipment |
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| Publication Number | Publication Date |
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| CN111830307A true CN111830307A (en) | 2020-10-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010506581.1A Pending CN111830307A (en) | 2020-06-05 | 2020-06-05 | Power supply detection interface device of direct current load equipment |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103884881A (en) * | 2012-12-21 | 2014-06-25 | 北京普源精电科技有限公司 | Multichannel signal obtaining probe with adaptor |
| CN203949967U (en) * | 2014-07-01 | 2014-11-19 | 常熟理工学院 | A kind of external interface circuit that detects automobile controller function |
| CN109521278A (en) * | 2018-07-18 | 2019-03-26 | 宁波艾思科汽车音响通讯有限公司 | A kind of test fixture and method of coaxial cable internal and external conductor resistance |
| CN111077444A (en) * | 2019-12-31 | 2020-04-28 | 大连长丰实业总公司 | Universal test equipment for contactor and relay |
-
2020
- 2020-06-05 CN CN202010506581.1A patent/CN111830307A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103884881A (en) * | 2012-12-21 | 2014-06-25 | 北京普源精电科技有限公司 | Multichannel signal obtaining probe with adaptor |
| CN203949967U (en) * | 2014-07-01 | 2014-11-19 | 常熟理工学院 | A kind of external interface circuit that detects automobile controller function |
| CN109521278A (en) * | 2018-07-18 | 2019-03-26 | 宁波艾思科汽车音响通讯有限公司 | A kind of test fixture and method of coaxial cable internal and external conductor resistance |
| CN111077444A (en) * | 2019-12-31 | 2020-04-28 | 大连长丰实业总公司 | Universal test equipment for contactor and relay |
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Application publication date: 20201027 |
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