CN209992564U - Voltage adjustable detection device - Google Patents
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- CN209992564U CN209992564U CN201920544973.XU CN201920544973U CN209992564U CN 209992564 U CN209992564 U CN 209992564U CN 201920544973 U CN201920544973 U CN 201920544973U CN 209992564 U CN209992564 U CN 209992564U
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Abstract
The utility model relates to a check out test set field, concretely relates to voltage adjustable detection device, include: the switching power supply is used for converting the voltage of the external power supply into a preset voltage; the voltage regulating module is used for converting the preset voltage into preset voltage corresponding to each current detection element and providing the preset voltage to each current detection element; the current detection module is used for collecting and analyzing the output current of each current detection element to obtain real-time data of each current detection element; the switch power supply is connected with an external power supply and then is respectively connected with the voltage regulating module and the current detecting module; and the voltage regulating module and the current detection module are connected with each current detection element. The utility model discloses can detect a plurality of electrical elements when primary current detection safely, high-efficiently.
Description
Technical Field
The utility model relates to a check out test set field, concretely relates to voltage adjustable detection device.
Background
At present, when the current of an electric element is detected, various detection elements need to be purchased, then design, assembly and debugging are carried out, all the detection elements are exposed outside, the elements are directly connected with an object to be detected through wires, the layout is messy, the wires are easy to interfere, and the electric element is easy to be influenced by the external environment and damaged.
In addition, when the current of the electric elements is detected, the voltages required by the electric elements are different. Thus, one power source is only suitable for one type of electrical component and the power source is replaced when another type of electrical component is detected. This results in inefficient current sensing of the electrical components.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model lies in, overcomes not enough of current technique, provides voltage adjustable detection device, can detect a plurality of electrical elements safely, high-efficiently when primary current detects.
In order to achieve the above technical purpose, the utility model provides a voltage adjustable detection device, include:
the switching power supply is used for converting the voltage of the external power supply into a preset voltage;
the voltage regulating module is used for converting the preset voltage into preset voltage corresponding to each current detection element and providing the preset voltage to each current detection element;
the current detection module is used for collecting and analyzing the output current of each current detection element to obtain real-time data of each current detection element;
the switch power supply is connected with an external power supply and then is respectively connected with the voltage regulating module and the current detecting module;
and the voltage regulating module and the current detection module are connected with each current detection element.
Further, still include: the cabinet body is used for accommodating the switching power supply, the voltage regulating module and the current detection module.
Still further, the voltage regulation module includes: a voltage regulating element and a voltage selecting element;
the voltage regulating element is used for converting the preset voltage into a plurality of paths of preset voltages with non-unique voltage values;
the voltage selection element is used for distributing each path of preset voltage to the corresponding circuit units to be tested one by one;
the voltage regulating element and the voltage selecting element are correspondingly connected with each other, and the voltage regulating element is correspondingly connected with each current detecting element.
Still further, the voltage regulating element and the voltage selecting element are arranged on the cabinet body; the cabinet body is also provided with a voltage observation window capable of displaying each preset voltage.
In the technical scheme, a safety element is further arranged between the switching power supply and the voltage regulating module in the cabinet body;
and the safety element is used for disconnecting the connection between the switching power supply and the voltage regulating module when a certain current detecting element is overloaded.
Preferably, a fan for radiating the switching power supply voltage regulating module and the current detection module is further arranged in the cabinet body;
a female seat is arranged on the cabinet body; the voltage regulating module and the current detecting module are connected with each current detecting element through the female seat;
the female block includes: a first female seat and a second female seat;
the first female seat is connected with the current detection module;
and the second female seat is connected with the voltage regulating module.
Preferably, a fusing observation window for observing the working state of the safety element is arranged on the cabinet body.
In the above technical solution, the method further comprises: and the monitoring module is used for monitoring each current detection element according to the real-time data of each current detection element.
Further, the current detection module includes: the device comprises a plurality of amplifying circuits, a plurality of comparing circuits, a plurality of collecting elements and a control element; the control element is respectively connected with each amplifying circuit, the comparison circuit and the acquisition element, and each amplifying circuit is correspondingly connected with the comparison circuit;
each amplifying circuit is used for amplifying the output current of the corresponding current detection element in real time to obtain the real-time amplified current of each current detection element;
the comparison circuit is used for comparing the real-time amplified current of the corresponding current detection element with the corresponding preset threshold value to obtain a real-time comparison value of each current detection element;
the acquisition element is used for acquiring the real-time amplified current and the real-time comparison value of the corresponding current detection element and transmitting the acquired real-time amplified current and the real-time comparison value to the control element;
and the control element is used for analyzing and processing the real-time amplified current and the real-time comparison value of each current detection element and then uploading the real-time amplified current and the real-time comparison value to the monitoring module.
Still further, the monitoring module includes: a monitoring element, a display element, and a memory element connected to each other;
the monitoring element is also connected with the control element;
the monitoring element is used for judging whether each current detection element works normally according to the real-time comparison value of each current detection element:
when a certain current detection element works normally, recording the working time of the current detection element to a storage element in real time;
when a certain current detection element does not normally operate,
controlling an amplifying circuit and a comparison circuit corresponding to the current detection element to stop working through a control element, and recording the current moment to a storage element;
the display element is used for displaying the data in the storage element; but also for the purpose of,
when a certain current detection element is normally operated,
amplifying the current in real time according to the current detection element, and displaying the output current of the current detection element before amplification in real time;
when a certain current detection element does not normally operate,
and correspondingly displaying the abnormal working state of the current detection element and displaying the moment when the corresponding amplifying circuit and the comparing circuit stop working.
In the utility model, the switch power supply and the voltage regulation module can provide the required voltage for various current detection elements to detect; the current sensing module may then simultaneously analyze the output currents of the various current sensing elements. Therefore, the device can detect multiple current detection component simultaneously to improve detection efficiency.
The utility model discloses in, all set up various detecting element (switching power supply, voltage regulation module and current detection module etc.) in the cabinet body for each detecting element and the wiring that corresponds thereof need not expose outside. Therefore, when the current of the electric element is detected, the layout is neat, each detection element and the corresponding wiring cannot interfere with each other, and each detection element cannot be damaged due to the influence of the external environment.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments or the description in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic diagram of the principle structure of the present invention;
fig. 2 is a schematic diagram of the principle structure of the medium voltage regulation module of the present invention;
fig. 3 is a schematic structural diagram of the current detecting module according to the present invention;
fig. 4 is a schematic diagram of the principle structure of the monitoring module of the present invention;
fig. 5 is a schematic structural diagram of an embodiment of the present invention (in which the monitoring module is omitted);
FIG. 6 is a right side view of FIG. 5;
FIG. 7 is a rear view of FIG. 5;
fig. 8 is a left side view of fig. 5.
In the figure: 1-a switching power supply; 2-a voltage regulation module; 3-a current detection module; 4-a current sensing element; 5-a monitoring module; 6-cabinet body; 7-a voltage regulating element; 8-voltage selection element; 9-voltage observation window; 10-an amplifying circuit; 11-a comparison circuit; 12-a collecting element; 13-a control element; 14-a fuse element; 15-a fan; 16-fusing the observation window; 17-a monitoring element; 18-a display element; 19-a storage element; 20-a first female seat; 21-a second female seat; 22-a power interface; 23-start button; 24-a communication port; 25-communication elements.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in FIG. 1, the voltage adjustable type detection device of the present invention includes:
the switching power supply 1 is used for converting the voltage of an external power supply into a preset voltage;
the voltage regulating module 2 is used for converting a preset voltage into a preset voltage corresponding to each current detection element 4 and providing the preset voltage to each current detection element 4;
the current detection module 3 is used for collecting and analyzing the output current of each current detection element 4 to obtain real-time data of each current detection element 4;
the switching power supply 1 is connected with an external power supply and then respectively connected with the voltage regulating module 2 and the current detecting module 3;
the voltage regulating module 2 and the current detecting module 3 are both connected to the respective current detecting elements 4.
As shown in fig. 5 and 7, the power interface 22 is used for connecting an external power source (generally AC220V), and the switching power supply 1 is connected to the power interface 22 through the start button 23. The switching power supply 1 converts the voltage of the external power supply into a predetermined voltage, in this embodiment, a predetermined voltage DC 28V. The start button 23 is also connected to the fan 15, which can dissipate heat for the switching power supply 1, the voltage regulation module 2 and the current detection module 3.
In the present embodiment, the switching power supply 1 and the voltage regulation module 2 can provide the required voltages for the various current detection elements 4 for detection; the current detection module 3 may then simultaneously analyze the output currents of the various current detection elements 4.
A fuse element 14 is also arranged between the switching power supply 1 and the voltage regulation module 2. The fuse element 14 is a 4-way power protection circuit (fuse, etc.).
Since the voltages required for testing different kinds of current detecting elements 4 are different, each kind of current detecting element 4 can only be measured by one dc power supply separately in the prior art. Thereby resulting in inefficient testing. However, in the present embodiment, 28 current detection elements 4 may be measured at the same time, and the preset voltage received by 7 current detection elements 4 of each group is the same. Therefore, the method adopted by the embodiment has high measurement efficiency.
In addition, in the present embodiment, since the switching power supply 1 converts the external power supply AC220V into DC28V, the test current generated by the current detection element 4 can reach the level of nanoamperes when it is tested. Aiming at the problem that the common direct current power supply can only provide the test current of more than 10mA in the prior art. The method adopted by the embodiment can greatly improve the testing precision.
In the present embodiment, a fuse element 14, i.e., a power protection circuit (fuse, etc.), is provided between the switching power supply 1 and the voltage regulating module 2. The structure can greatly improve the safety of the test method adopted by the embodiment. During the test, if a certain current detection element 4 presents a damage on the existing hardware, for example: when the device is failed, short-circuited, broken, etc., the current detection device 4 generates a very large test current after receiving a predetermined voltage. This test current may cause damage to the test system, so that when the above-described situation occurs with a certain current detection element 4, the connection between the switching power supply 1 and the voltage regulation module 2 is first broken.
As shown in fig. 2, 5 and 6, the voltage regulation module 2 includes: a voltage regulating element 7 and a voltage selecting element 8;
the voltage regulating element 7 is used for converting the preset voltage into a plurality of paths of preset voltages with non-unique voltage values;
and the voltage selection element 8 is used for distributing each path of preset voltage to the corresponding tested circuit units one by one.
In the present embodiment, the switching power supply 1 inputs a predetermined voltage DC28V to the voltage adjustment element 7. The voltage regulating element 7 converts the predetermined voltage of DC28V into 4 preset voltages, which are: 5V, 9V, 12.5V and 20.5V. Of course, these 4 preset voltages are only used for example, and in general, the preset voltage can reach DC50V, and the preset voltage can be any voltage value from 0 to 50V. The knob of each voltage selection element 8 is capable of delivering any one of the 4 preset voltages to the corresponding row of second female sockets 21. And each voltage selection element 8 can also arbitrarily convert the output preset voltage.
4 voltage selecting elements 8 distribute 4 voltage paths of 5V, 9V, 12.5V and 20.5V to the corresponding second female seats 21 one by one. In fig. 5, there are 4 rows of the first female sockets 20 and the second female sockets 21, and each row of the second female sockets 21 outputs a preset voltage of the same voltage value. Each row of the second female sockets 21 is connected to a corresponding current detection element 4 to provide a predetermined voltage to the current detection elements 4. Each row of the female sockets has 7 female sockets, that is, one path of the preset voltage can be used for current detection of 7 current detection elements 4. Of course, the number of the mother sockets and the number of the paths of the preset voltage are only used as examples in this embodiment, and in the actual detection, the number of the mother sockets and the number of the paths of the preset voltage may be set according to the actual situation.
As shown in fig. 3, the current detection module 3 includes: a plurality of amplification circuits 10, a plurality of comparison circuits 11, a plurality of acquisition elements 12, and a control element 13; the control element 13 is respectively connected with each amplification circuit 10, the comparison circuit 11 and the acquisition element 12, and each amplification circuit 10 is correspondingly connected with the comparison circuit 11.
In the present embodiment, there are 28 amplifier circuits 10, and each of the amplifier circuits 10 is connected to a corresponding one of the current detecting elements 4 through a first female socket 20. Each amplifying circuit 10 is configured to amplify the output current of the corresponding current detecting element 4 in real time to obtain a real-time amplified current of each current detecting element 4.
There are also 28 comparison circuits 11, and each comparison circuit 11 is connected to one corresponding amplification circuit 10. The comparison circuit 11 is configured to compare the real-time amplified current of the corresponding current detection element 4 with a corresponding preset threshold, so as to obtain a real-time comparison value of each current detection element 4. The test person can set a threshold value in advance in the monitoring module 5, which is passed up to the corresponding comparator circuit 11 via the control element 13.
The acquisition elements 12 are provided with 4 groups, and each group of acquisition elements 12 acquires the real-time amplified current and the real-time comparison value of the corresponding current detection element 4 and transmits the real-time amplified current and the real-time comparison value to the control element 13.
The acquisition element 12 corresponding to each current detection element 4 acquires the real-time discharge current and the real-time comparison value of the current detection element 4 and uploads the values to the control element 13. The control element 13 analyzes and processes the real-time discharge current and the real-time comparison value of the current detection element 4, and uploads the values to the monitoring module 5 through the communication element 25 and the communication port 24.
In the present embodiment, the communication port 24 is an RS232 port; the communication element 25 is an RS485 interface.
As shown in fig. 6 to 8, the device of the present embodiment is further provided with a voltage observation window 9 for displaying each preset voltage, and a fusing observation window 16 for observing the working state of the fuse element 14.
In the present embodiment, for economic reasons, only 4 sets of fuse elements 14 are provided, and each set of current detecting element 4 corresponds to one set of fuse elements 14. When a problem occurs in a certain current detection element 4, 7 current detection elements 4 under the same preset voltage are turned off first. And it can be seen on the fuse view window 16 that the set of fuse elements 14 have a fuse. After the corresponding safety element 14 is closed after the examination, the test is continued. Of course, in the test process, in order to seek higher test efficiency, 28 sets of the fuse elements 14 can be provided, and when the above situation occurs in one current detection element 4, the problem can be eliminated without affecting the rest of the current detection elements 4.
All the elements, modules and devices described above, except the monitoring module 5, are housed in a cabinet 6. This eliminates the need for each sensing element and its corresponding wiring to be exposed. Therefore, when the current of the electric element is detected, the layout is neat, each detection element and the corresponding wiring cannot interfere with each other, and each detection element cannot be damaged due to the influence of the external environment.
As shown in fig. 4, the monitoring module 5 includes: a monitoring element 17, a display element 18, and a storage element 19 connected to each other;
the monitoring unit 17 is connected to the control unit 13 via a communication interface 24.
The monitoring element 17 is configured to determine whether each current detection element 4 is working normally, that is, whether a test standard is satisfied, according to the real-time comparison value of each current detection element 4.
When a certain current detection element 4 works normally, recording the working time of the current detection element 4 to the storage element 19 in real time;
when a certain current detection element 4 does not operate normally,
the amplifier circuit 10 and the comparator circuit 11 corresponding to the current detection element 4 are controlled by the control element 13 to stop working, and the current time is recorded in the memory element 19.
The display element 18 is used for displaying the data in the storage element 19; but also for the purpose of,
when a certain current detection element 4 is normally operated,
displaying the output current of the current detection element 4 before amplification in real time according to the real-time amplification current of the current detection element 4;
when a certain current detection element 4 does not operate normally,
the current detection element 4 is displayed in a non-normal operation state in response to the detection signal, and the timing when the amplification circuit 10 and the comparison circuit 11 stop operating is displayed in response to the detection signal.
In the present embodiment, the monitoring element 17 is a CPU; the display element 18 is a display; the storage element 19 is a RAM.
In the present invention, the testing process can be observed on the computer display screen by the tester through the display element 18. Therefore, various test indexes of the current detection of the electric element can be directly displayed on a computer, and the storage element 19 can record and store the test data. Therefore, a tester does not need to observe the test current of the current detection of the electrical element in real time; also, there is no need to manually compare the observed test current to a threshold. Therefore, the practical novel model can be observed without depending on the manual work, and the test data has traceability.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. A voltage-adjustable detection device, comprising:
the switching power supply (1) is used for converting the voltage of an external power supply into a preset voltage;
the voltage regulating module (2) is used for converting a preset voltage into a preset voltage corresponding to each current detection element (4) and providing the preset voltage to each current detection element (4);
the current detection module (3) is used for collecting and analyzing the output current of each current detection element (4) to obtain real-time data of each current detection element (4);
the switching power supply (1) is connected with an external power supply and then respectively connected with the voltage regulating module (2) and the current detecting module (3);
the voltage regulation module (2) and the current detection module (3) are connected with each current detection element (4).
2. The voltage-adjustable detection apparatus according to claim 1, further comprising: a cabinet body (6) accommodating the switching power supply (1), the voltage regulating module (2) and the current detecting module (3).
3. The voltage-adjustable detection apparatus according to claim 2, wherein the voltage adjustment module (2) includes: a voltage regulating element (7) and a voltage selecting element (8);
the voltage regulating element (7) is used for converting the preset voltage into a plurality of preset voltages with non-unique voltage values;
the voltage selection element (8) is used for distributing each path of preset voltage to the corresponding circuit unit to be tested one by one;
the voltage adjusting element (7) and the voltage selecting element (8) are correspondingly connected with each other, and the voltage adjusting element (7) is correspondingly connected with each current detecting element (4).
4. The voltage-adjustable detection apparatus according to claim 3, characterized in that the voltage regulating element (7) and the voltage selection element (8) are arranged on the cabinet (6); the cabinet body (6) is also provided with a voltage observation window (9) capable of displaying each preset voltage.
5. The voltage adjustable detection device according to claim 2, characterized in that a fuse element (14) is further arranged between the switching power supply (1) and the voltage regulation module (2) within the cabinet (6);
the safety element (14) is used for disconnecting the connection between the switching power supply (1) and the voltage regulating module (2) when a certain current detecting element (4) is overloaded.
6. The voltage adjustable detection device according to claim 2, wherein a fan (15) for dissipating heat of the switching power supply (1), the voltage regulation module (2) and the current detection module (3) is further arranged in the cabinet body (6);
a female seat is arranged on the cabinet body (6); the voltage regulation module (2) and the current detection module (3) are connected with each current detection element (4) through a female seat;
the female block includes: a first female seat (20) and a second female seat (21);
the first female seat (20) is connected with the current detection module (3);
the second female seat (21) is connected with the voltage regulating module (2).
7. The voltage adjustable detection device according to claim 5, wherein a fusing observation window (16) for observing the working state of the fuse element (14) is arranged on the cabinet body (6).
8. The voltage adjustable detection apparatus according to any one of claims 1 to 7, further comprising: and the monitoring module (5) is used for monitoring each current detection element (4) according to the real-time data of each current detection element (4).
9. The voltage-adjustable detection apparatus according to claim 8, wherein the current detection module (3) includes: a plurality of amplification circuits (10), a plurality of comparison circuits (11), a plurality of acquisition elements (12) and a control element (13); the control element (13) is respectively connected with each amplification circuit (10), each comparison circuit (11) and each acquisition element (12), and each amplification circuit (10) is correspondingly connected with each comparison circuit (11);
each amplifying circuit (10) is used for amplifying the output current of the corresponding current detection element (4) in real time to obtain the real-time amplified current of each current detection element (4);
the comparison circuit (11) is used for comparing the real-time amplified current of the corresponding current detection element (4) with a corresponding preset threshold value to obtain a real-time comparison value of each current detection element (4);
the acquisition element (12) is used for acquiring the real-time amplified current and the real-time comparison value of the corresponding current detection element (4) and transmitting the acquired real-time amplified current and the real-time comparison value to the control element (13);
and the control element (13) is used for analyzing and processing the real-time amplified current and the real-time comparison value of each current detection element (4) and then uploading the real-time amplified current and the real-time comparison value to the monitoring module (5).
10. The voltage-adjustable detection apparatus according to claim 9, wherein the monitoring module (5) includes: a monitoring element (17), a display element (18) and a memory element (19) connected to each other;
the monitoring element (17) is also connected with the control element (13);
the monitoring element (17) is used for judging whether each current detection element (4) works normally according to the real-time comparison value of each current detection element (4):
when a certain current detection element (4) works normally, recording the working time of the current detection element (4) to a storage element (19) in real time;
when one current detection element (4) does not work normally,
the amplifying circuit (10) and the comparison circuit (11) corresponding to the current detection element (4) are controlled to stop working through a control element (13), and the current time is recorded to a storage element (19);
the display element (18) is used for displaying data in the storage element (19); but also for the purpose of,
when a certain current detection element (4) is normally operated,
displaying the output current of the current detection element (4) before amplification in real time according to the real-time amplification current of the current detection element (4);
when one current detection element (4) does not work normally,
the current detection element (4) is correspondingly displayed in an abnormal working state, and the time when the amplifying circuit (10) and the comparing circuit (11) stop working is displayed.
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|---|---|---|---|
| CN201920544973.XU CN209992564U (en) | 2019-04-19 | 2019-04-19 | Voltage adjustable detection device |
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| CN201920544973.XU CN209992564U (en) | 2019-04-19 | 2019-04-19 | Voltage adjustable detection device |
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Address after: No.182, East Ring Road, Yuqi supporting area, Huishan Economic Development Zone, Wuxi City, Jiangsu Province, 214000 Patentee after: Jiangsu feiwotai nanotechnology Co.,Ltd. Address before: 214183 East Ring Road, Yuqi supporting area, Huishan Economic Development Zone, Wuxi City, Jiangsu Province Patentee before: Jiangsu Favored Nanotechnology Co.,Ltd. |
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