CN220171211U - Auxiliary device for power supply test - Google Patents
Auxiliary device for power supply test Download PDFInfo
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- CN220171211U CN220171211U CN202320902435.XU CN202320902435U CN220171211U CN 220171211 U CN220171211 U CN 220171211U CN 202320902435 U CN202320902435 U CN 202320902435U CN 220171211 U CN220171211 U CN 220171211U
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- power supply
- contactor
- alternating current
- control circuit
- current power
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- 238000006243 chemical reaction Methods 0.000 claims abstract description 21
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- 238000010586 diagram Methods 0.000 description 2
- 206010014357 Electric shock Diseases 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
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- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model is suitable for the technical field of equipment detection, and provides a power supply test auxiliary device. The power supply test auxiliary device comprises an alternating current power supply circuit, a direct current power supply circuit, an alternating current control circuit and a direct current control circuit, wherein the alternating current control circuit comprises a first contactor, and the direct current control circuit comprises a second contactor; the alternating current power supply circuit is connected with a power supply to be tested through a main contact of the first contactor, and the direct current power supply circuit is connected with the power supply to be tested through a main contact of the second contactor; the alternating current power supply circuit is used for supplying power to the alternating current control circuit and the direct current control circuit; the first contactor and the second contactor form an interlocking structure, and when the coil of the first contactor is powered on, the coil of the second contactor is powered off; when the coil of the second contactor is powered, the coil of the first contactor is powered off. The utility model can realize the rapid conversion of the AC/DC input of the power supply to be tested, improves the production efficiency, saves the production cost, has simple structure, occupies flexible land and is convenient to implement.
Description
Technical Field
The utility model belongs to the technical field of equipment detection, and particularly relates to an auxiliary device for a power supply test.
Background
When the performance of the power supply is detected, the power supply input is subjected to alternating current-direct current conversion, and the alternating current input tool is manually detached and replaced by the direct current input tool in the past to convert the alternating current input into the direct current input, so that the operation is complex and the flow is complex.
At present, although the AC/DC conversion of the power input can be realized rapidly through an AC/DC integrated power supply, the multifunctional source is purchased specially, so that the production cost of manufacturers can be increased, resources are wasted, and the volume of the AC/DC integrated power supply is huge, thereby being unfavorable for conveniently and rapidly carrying out the on-site power supply test.
Disclosure of Invention
In view of the above, the embodiment of the utility model provides a power supply test auxiliary device to solve the problems that the power supply test device in the prior art is too high in cost and large in size, which is not beneficial to convenient test.
In order to achieve the above object, a first aspect of the present utility model provides a power test auxiliary device, including an ac power supply circuit, a dc power supply circuit, an ac control circuit, and a dc control circuit, where the ac control circuit includes a first contactor, and the dc control circuit includes a second contactor; the alternating current power supply circuit is connected with a power supply to be tested through a main contact of the first contactor, and the direct current power supply circuit is connected with the power supply to be tested through a main contact of the second contactor; the alternating current power supply circuit is used for supplying power to the alternating current control circuit and the direct current control circuit;
the first contactor and the second contactor form an interlocking structure, and when the coil of the first contactor is powered on, the coil of the second contactor is powered off; when the coil of the second contactor is powered, the coil of the first contactor is powered off.
In one possible implementation, the first contactor includes a first normally open contact, the second contactor includes a second normally closed contact, and the ac control circuit further includes a first input, a first output, an ac power supply start switch, and an ac power supply stop switch;
the first input end, the alternating current power supply starting switch, the alternating current power supply stopping switch, the second normally closed contact, the coil of the first contactor and the first output end are connected in series; the alternating current power supply starting switch is connected with the first normally open contact in parallel; the first input end and the first output end are connected with an alternating current power supply circuit.
In one possible implementation, the first contactor further includes a first normally closed contact, the second contactor further includes a second normally open contact, and the dc control circuit further includes a second input terminal, a second output terminal, a dc power supply start switch, and a dc power supply stop switch;
the second input end, the direct current power supply starting switch, the direct current power supply stopping switch, the first normally closed contact, the coil of the second contactor and the second output end are connected in series; the direct-current power supply starting switch is connected with the second normally open contact in parallel; the second input end and the second output end are connected with an alternating current power supply circuit.
In one possible implementation, the ac power supply circuit includes an ac-dc conversion module, and the second input and the second output of the dc control circuit are connected to the ac-dc conversion module.
In one possible implementation, the AC-DC conversion module is an AC-DC converter.
In one possible implementation, the input voltage of the ac-dc conversion module includes an ac 380V, and the output voltage of the ac-dc conversion module includes a dc 12V.
In one possible implementation, the power test auxiliary device further includes a plurality of fuses connected in series with the main contact of the first contactor, the main contact of the second contactor, the first input terminal, the first output terminal, the second input terminal, and the second output terminal, respectively.
In one possible implementation manner, the power supply test auxiliary device further comprises a box body, and an alternating current power supply circuit, a direct current power supply circuit, an alternating current control circuit and a direct current control circuit are fixed in the box body.
In one possible implementation, a plurality of aviation plugs are arranged on the box body, and are respectively connected with the input end of the alternating current power supply circuit, the output end of the alternating current power supply circuit, the input end of the direct current power supply circuit and the output end of the direct current power supply circuit in series.
In one possible implementation, the power test auxiliary device further includes a first air main switch and a second air main switch;
the first air main switch is connected in series with an aerial plug arranged at the input end of the alternating current power supply circuit, and the second air main switch is connected in series with an aerial plug arranged at the input end of the direct current power supply circuit.
The embodiment of the utility model provides a power supply test auxiliary device, which is characterized in that an alternating current power supply circuit and a direct current power supply circuit are connected with a power supply to be tested, the alternating current power supply and the direct current power supply are converted through an alternating current control circuit and a direct current control circuit, and meanwhile, an interlocking structure is formed by a first contactor and a second contactor, so that the safety and stability of the power supply during the test are ensured. After the power supply test auxiliary device provided by the embodiment of the utility model is connected with the power supply to be tested, the rapid conversion of the AC/DC input of the power supply to be tested can be realized, so that the rapid test is performed on the power supply to be tested, and the production efficiency is improved. In addition, the power supply test auxiliary device provided by the embodiment of the utility model has the advantages of small volume and simple structure, and can reduce the production cost and conveniently perform the on-site power supply test.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic circuit diagram of an auxiliary power test device according to an embodiment of the present utility model;
FIG. 2 is an overall schematic diagram of a case according to an embodiment of the present utility model;
FIG. 3 is a rear view of a case provided by an embodiment of the present utility model;
fig. 4 is a front view of a case according to an embodiment of the present utility model.
Detailed Description
Features and exemplary embodiments of various aspects of the present utility model will be described in detail below, and in order to make the objects, technical solutions and advantages of the present utility model more apparent, the present utility model will be described in further detail below with reference to the accompanying drawings and the detailed embodiments. It should be understood that the specific embodiments described herein are merely configured to illustrate the utility model and are not configured to limit the utility model. It will be apparent to one skilled in the art that the present utility model may be practiced without some of these specific details. The following description of the embodiments is merely intended to provide a better understanding of the utility model by showing examples of the utility model.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of other like elements in a process, method, article or apparatus that comprises the element.
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model 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 for purposes of illustration only and are not intended to limit the scope of the utility model.
The utility model will be described in further detail with reference to the drawings and the detailed description.
As shown in fig. 1, the power test auxiliary device at least includes an ac power supply circuit 110, a dc power supply circuit 120, an ac control circuit 130, and a dc control circuit 140. The ac control circuit 130 includes a first contactor, and the dc control circuit 140 includes a second contactor. The alternating current power supply circuit 110 is connected with the power supply 150 to be tested through the main contact 131 of the first contactor, and the direct current power supply circuit 120 is connected with the power supply 150 to be tested through the main contact 141 of the second contactor; the ac power supply circuit 110 is configured to supply power to the ac control circuit 130 and the dc control circuit 140.
And, the first contactor and the second contactor form an interlocking structure, when the coil 132 of the first contactor is powered, the coil 142 of the second contactor is powered off; when the coil 142 of the second contactor is energized, the coil 132 of the first contactor is de-energized.
In this embodiment, the first contactor may be an ac contactor, and the second contactor may be a dc contactor.
In some embodiments, again as shown in fig. 1, the first contactor includes at least a first normally open contact 133 and the second contactor includes at least a second normally closed contact 144, and the ac control circuit 130 further includes a first input 135, a first output 136, an ac power supply start switch 137, and an ac power supply stop switch 138. Specifically, the first input terminal 135, the ac power supply start switch 137, the ac power supply stop switch 138, the second normally closed contact 144, the coil 132 of the first contactor, and the first output terminal 136 are connected in series; the ac power supply start switch 137 is connected in parallel with the first normally open contact 133. Furthermore, the first input 135 and the first output 136 are connected to the ac power supply circuit 110.
Taking the power supply test auxiliary device as an example, when the alternating current power supply starting switch 137 is pressed, the coil 132 of the first contactor is electrified, so that the first normally open contact 133 is driven to be closed, the coil 132 of the first contactor is further continuously electrified, the main contact 131 of the first contactor is closed, and the alternating current power supply circuit 110 supplies alternating current output power to the power supply 150 to be tested.
In some embodiments, the first contactor further comprises a first normally closed contact 134, the second contactor further comprises a second normally open contact 143, and the dc control circuit 140 further comprises a second input 145, a second output 146, a dc supply start switch 147, and a dc supply stop switch 148. Specifically, the second input 145, the dc power supply start switch 147, the dc power supply stop switch 148, the first normally closed contact 134, the coil 142 of the second contactor, and the second output 146 are connected in series; the dc power supply start switch 147 is connected in parallel with the second normally open contact 143. In addition, a second input 145 and a second output 146 are connected to the ac supply circuit 110.
Taking the power supply test auxiliary device as an example, when the direct current power supply starting switch 147 is pressed, the coil 142 of the second contactor is electrified, so that the second normally open contact 143 is driven to be closed, the coil 142 of the second contactor is further enabled to be continuously electrified, the main contact 141 of the second contactor is closed, and the direct current power supply circuit 120 supplies direct current output power to the power supply 150 to be tested.
It should be noted that, when the ac power supply start switch 137 is pressed, the first normally open contact 133 is closed, and the first normally closed contact 134 is opened, so that even if the dc power supply start switch 147 of the dc control circuit 140 is pressed, the dc power supply circuit 120 cannot operate, and the power test auxiliary device does not perform dc output. When the dc power supply start switch 147 is pressed, the second normally open contact 143 is closed, and the second normally closed contact 144 is opened, so that the ac power supply circuit 110 does not operate even when the ac power supply start switch 137 of the ac control circuit 130 is pressed, and the power test auxiliary device does not perform ac output. Therefore, an interlocking effect can be formed between the alternating current power supply circuit and the direct current power supply circuit, and damage to the power supply to be tested after the alternating current power supply starting switch and the direct current power supply starting switch are pressed simultaneously is avoided.
After the power supply test auxiliary device provided by the embodiment is connected with the power supply to be tested, the rapid conversion of the alternating current and direct current input of the power supply to be tested can be realized, so that the rapid test is performed on the power supply to be tested, and the production efficiency is improved.
In some embodiments, referring again to fig. 1, the ac power circuit 110 further includes an ac-dc conversion module 111, and the second input 145 and the second output 146 of the dc control circuit 140 are connected to the ac-dc conversion module 111.
In some embodiments, the AC-DC conversion module is an AC-DC converter.
In some embodiments, the input voltage of the ac-dc conversion module comprises ac 380V and the output voltage of the ac-dc conversion module comprises dc 12V.
In some embodiments, referring again to fig. 1, the power test auxiliary device may further include a plurality of fuses 180 connected in series with the main contact 131 of the first contactor, the main contact 141 of the second contactor, the first input 135, the first output 136, the second input 145, and the second output 146, respectively.
In some embodiments, as shown in fig. 2, the power test auxiliary device may further include a case in which the ac power supply circuit 110, the dc power supply circuit 120, the ac control circuit 130, and the dc control circuit 140 are fixed.
Specifically, the specification of the case may be 300×270×160mm.
In some embodiments, as shown in fig. 3, a plurality of aviation sockets may be further disposed on the box of the power test auxiliary device, where the aviation sockets are connected in series with the input end of the ac power supply circuit 110, the output end of the ac power supply circuit 110, the input end of the dc power supply circuit 120, and the output end of the dc power supply circuit 120, respectively.
Specifically, referring again to fig. 3, the spacing between the input and output inserts may be 20mm and the array of inserts may be 59.5mm from the bottom end of the box.
In some embodiments, referring again to fig. 1, the power test auxiliary device further includes a first air main switch 160 and a second air main switch 170, wherein the first air main switch 160 is connected to an air inlet provided at an input of the ac power supply circuit, and the second air main switch 170 is connected to an air inlet provided at an input of the dc power supply circuit.
Specifically, referring again to fig. 3, a first air main switch 160 is connected in series with the ac input air inlet and a second air main switch 170 is connected in series with the dc input air inlet.
Taking the power supply test auxiliary device as an example for performing an ac power supply test on the power supply to be tested, when the first air main switch 160 is closed and the ac power supply start switch 137 is pressed, the main contact 131 of the internal first contactor is closed, the power supply 150 to be tested is connected with the ac power supply circuit 110, and when the ac power supply stop switch 138 is pressed, the main contact 131 of the internal first contactor is disconnected, and the power supply 150 to be tested is disconnected with the ac power supply circuit 110.
Taking the power supply test auxiliary device as an example, when the second air main switch 170 is closed and the direct current power supply starting switch 147 is pressed, the main contact 141 of the internal second contactor is closed, the power supply 150 to be tested is connected with the direct current power supply circuit 120, and when the direct current power supply stopping switch 148 is pressed, the main contact 141 of the internal second contactor is disconnected, and the power supply 150 to be tested is disconnected with the direct current power supply circuit 120.
In some embodiments, as shown in fig. 4, a push button switch may also be provided on the housing of the power test aid.
Specifically, the spacing between the start button and the stop button may be 20mm, and the array of buttons may be 68mm from the bottom end of the case.
In the embodiment, the first total air switch, the second total air switch and the button switch on the box body are controlled by an operator to start and stop operation, so that zero contact with the power supply equipment to be tested in the test process is realized, the operation is convenient, and the risk of electric shock of the operator is reduced.
The power supply test auxiliary device in the embodiment can rapidly perform AC/DC conversion, improves test efficiency, solves the problem of frequent replacement of the input tool and the output tool due to AC/DC, greatly saves labor hour cost and improves production efficiency. In addition, the power supply test auxiliary device provided by the embodiment has the advantages of small size and simple structure, so that the production cost can be reduced, and the on-site power supply test can be conveniently carried out.
The above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model, and are intended to be included in the scope of the present utility model.
Claims (10)
1. The power supply test auxiliary device is characterized by comprising an alternating current power supply circuit, a direct current power supply circuit, an alternating current control circuit and a direct current control circuit, wherein the alternating current control circuit comprises a first contactor, and the direct current control circuit comprises a second contactor; the alternating current power supply circuit is connected with a power supply to be tested through the main contact of the first contactor, and the direct current power supply circuit is connected with the power supply to be tested through the main contact of the second contactor; the alternating current power supply circuit is used for supplying power to the alternating current control circuit and the direct current control circuit;
the first contactor and the second contactor form an interlocking structure, and when the coil of the first contactor is powered on, the coil of the second contactor is powered off; when the coil of the second contactor is powered, the coil of the first contactor is powered off.
2. The power test auxiliary device of claim 1, wherein the first contactor comprises a first normally open contact, the second contactor comprises a second normally closed contact, and the ac control circuit further comprises a first input, a first output, an ac power supply start switch, and an ac power supply stop switch;
the first input end, the alternating current power supply starting switch, the alternating current power supply stopping switch, the second normally closed contact, the coil of the first contactor and the first output end are connected in series; the alternating current power supply starting switch is connected with the first normally open contact in parallel; the first input end and the first output end are connected with the alternating current power supply circuit.
3. The power test auxiliary device according to claim 2, wherein the first contactor further comprises a first normally closed contact, the second contactor further comprises a second normally open contact, and the dc control circuit further comprises a second input terminal, a second output terminal, a dc supply start switch, and a dc supply stop switch;
the second input end, the direct current power supply starting switch, the direct current power supply stopping switch, the first normally closed contact, the coil of the second contactor and the second output end are connected in series; the direct-current power supply starting switch is connected with the second normally open contact in parallel; the second input end and the second output end are connected with the alternating current power supply circuit.
4. A power test auxiliary device according to claim 3 and wherein said ac power supply circuit comprises an ac-dc conversion module, said second input and second output of said dc control circuit being connected to said ac-dc conversion module.
5. The power test auxiliary device according to claim 4, wherein the AC-DC conversion module is an AC-DC type transformer.
6. The power test auxiliary device according to claim 4, wherein the input voltage of the ac/dc conversion module comprises 380V, and the output voltage of the ac/dc conversion module comprises 12V.
7. A power test assist device as recited in claim 3 further comprising a plurality of fuses connected in series with the primary contact of the first contactor, the primary contact of the second contactor, the first input, the first output, the second input, and the second output, respectively.
8. The power test assist device of claim 1 further comprising a housing, wherein the ac power supply circuit, the dc power supply circuit, the ac control circuit, and the dc control circuit are secured within the housing.
9. The power test auxiliary device according to claim 8, wherein a plurality of aviation plugs are arranged on the box body, and the aviation plugs are respectively connected with the input end of the alternating current power supply circuit, the output end of the alternating current power supply circuit, the input end of the direct current power supply circuit and the output end of the direct current power supply circuit in series.
10. The power test assist device of claim 9 further comprising a first air main switch and a second air main switch;
the first air main switch is connected with the aviation plug arranged at the input end of the alternating current power supply circuit in series, and the second air main switch is connected with the aviation plug arranged at the input end of the direct current power supply circuit in series.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320902435.XU CN220171211U (en) | 2023-04-20 | 2023-04-20 | Auxiliary device for power supply test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320902435.XU CN220171211U (en) | 2023-04-20 | 2023-04-20 | Auxiliary device for power supply test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220171211U true CN220171211U (en) | 2023-12-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320902435.XU Active CN220171211U (en) | 2023-04-20 | 2023-04-20 | Auxiliary device for power supply test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220171211U (en) |
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2023
- 2023-04-20 CN CN202320902435.XU patent/CN220171211U/en active Active
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