CN210465619U - Direct-current high-voltage high-breaking testing device - Google Patents
Direct-current high-voltage high-breaking testing device Download PDFInfo
- Publication number
- CN210465619U CN210465619U CN201920790231.5U CN201920790231U CN210465619U CN 210465619 U CN210465619 U CN 210465619U CN 201920790231 U CN201920790231 U CN 201920790231U CN 210465619 U CN210465619 U CN 210465619U
- Authority
- CN
- China
- Prior art keywords
- fuse
- current
- direct
- battery module
- voltage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Secondary Cells (AREA)
Abstract
The utility model relates to a disconnected testing arrangement of high voltage of direct current. The testing device is used for detecting the breaking capacity of the electrical parameters of the fuse and comprises a battery module, a control switch and a measuring instrument, wherein the battery module is connected with the fuse through the control switch, the control switch is used for controlling the battery module to generate direct-current high voltage and direct-current high current required by the breaking test of the fuse, and the measuring instrument is used for measuring the electrical parameters of the breaking test of the fuse. The utility model provides a high disconnected testing arrangement that divides of direct current high voltage need not to insert the electric wire netting and just can divide disconnected test, greatly reduced fuse test cost to the fuse.
Description
Technical Field
The utility model relates to a fuse technical field especially relates to a disconnected testing arrangement of direct current high voltage.
Background
With the vigorous development of the new energy electric automobile industry, the demand of fuses with high direct current voltage and high breaking capacity is increasing day by day. In general, a large number of short circuit breaking tests are required in the process of developing such fuses. However, in such tests, a large-capacity direct-current power supply needs to be obtained by an alternating-current power grid rectification method, so that not only is the investment cost high, but also a very large-current power grid needs to be specially connected, and thus, the power grid is easily subjected to too large impact during the test.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a direct current high voltage high breaking test device with low costs, need not to insert the electric wire netting and just can divide the branch test to the fuse.
A direct-current high-voltage high-breaking test device is used for detecting the breaking capacity of electrical parameters of a fuse and comprises a battery module, a control switch and a measuring instrument, wherein the battery module is connected with the fuse through the control switch, the control switch is used for controlling the battery module to generate direct-current high voltage and direct-current high current required by the fuse breaking test, and the measuring instrument is used for measuring the electrical parameters of the fuse breaking test.
The direct-current high-voltage high-breaking testing device is used for detecting the breaking capacity of the electrical parameters of the fuse and comprises a battery module, a control switch and a measuring instrument, wherein the battery module is connected with the fuse through the control switch, the control switch is used for controlling the battery module to generate direct-current high voltage and direct-current high current required by the breaking test of the fuse, and the measuring instrument is used for measuring the electrical parameters of the breaking test of the fuse. The fuse can be subjected to breaking test without being connected into a power grid, and the test cost of the fuse is greatly reduced.
In one embodiment, the dc high voltage high breaking test apparatus further includes a controller and a plurality of bypass switches, the battery module includes a plurality of batteries connected in series and/or in parallel, the plurality of batteries are connected in parallel with the plurality of bypass switches one by one, and the controller is configured to control on/off of the bypass switches according to the dc high voltage and the dc high current required by the fuse breaking test.
In one embodiment, the dc high voltage high breaking test device further comprises a display, and the display is connected to the controller and is used for displaying the voltage and the current of the battery module.
In one embodiment, the measurement instrument comprises an oscilloscope.
In one embodiment, the electrical parameters of the fuse breaking test include voltage, current, pre-arc time, arcing time, and fusing time of the breaking test.
Drawings
FIG. 1 is a schematic diagram of an embodiment of a DC high voltage high breaking test apparatus;
FIG. 2 is a waveform of a measurement taken by the measurement instrument in one embodiment;
FIG. 3 is a schematic circuit diagram of an embodiment of a DC high voltage high breaking test apparatus;
fig. 4 is a schematic structural diagram of a dc high voltage high breaking test apparatus in another embodiment.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise. In the description of the present invention, "a plurality" means at least one, e.g., one, two, etc., unless specifically limited otherwise.
Referring to fig. 1, the present embodiment provides a dc high voltage high breaking test apparatus 100 for detecting the breaking capability of an electrical parameter of a fuse 200, comprising a battery module 110, a control switch 120 and a measuring instrument 130, wherein the battery module 110 is connected to the fuse 200 through the control switch 120, the control switch 120 is used for controlling the battery module 110 to generate a dc high voltage and a dc high current required by the breaking test of the fuse 200, and the measuring instrument 130 is used for measuring the electrical parameter of the breaking test of the fuse 200.
It should be noted that the dc high voltage high breaking test apparatus 100 provided in this embodiment is mainly used for detecting the breaking capability of the fuse 200, and includes the battery module 110, the control switch 120 and the measuring instrument 130, wherein the battery module 110 may adopt a plurality of batteries connected in series and/or in parallel, the battery module 110 is used for generating the dc high voltage and the dc high current required by the breaking test of the fuse 200, and by utilizing the characteristic that the breaking test has high test voltage and large current but short breaking time (usually within 0.1 s), if the capacity of the battery module 110 is large enough, the voltage drop during the test is negligible. For example, when a 150VDC 50A rated current fuse 200 is required to be subjected to a 10000A maximum breaking test, the battery module 110 may employ 12 batteries of 12V and 20AH connected in series as a power source for the breaking test, the actual measurement voltage after the series connection is 162VDC, and when a short circuit breaking test is performed, the control switch 120 may be closed to make the testing apparatus 100 generate an instantaneous current which is the same as the 10000A maximum current of the fuse 200 breaking test, and the measuring instrument 130 may be connected to both ends of the fuse 200 to detect the voltage, the current and the time of the fuse 200. Specifically, the measuring instrument 130 is an oscilloscope, and the measured waveform can be seen in fig. 2.
The direct-current high-voltage high-breaking test device 100 is used for detecting the breaking capacity of the fuse 200, and comprises a battery module 110, a control switch 120 and a measuring instrument 130, wherein the battery module 110 is connected with the fuse 200 through the control switch 120, the control switch 120 is used for controlling the battery module 110 to generate direct-current high voltage and direct-current high current required by the breaking test of the fuse 200, and the measuring instrument 130 is used for measuring the electrical parameters of the breaking test of the fuse 200. The fuse can be subjected to breaking test without being connected into a power grid, and the test cost of the fuse is greatly reduced.
In one embodiment, referring to fig. 3, the dc high voltage high breaking test apparatus 100 further includes a controller 140 and a plurality of bypass switches 150, the battery module 110 includes a plurality of batteries 111 connected in series and/or in parallel, the plurality of batteries 111 are connected in parallel with the plurality of bypass switches 150 one by one, and the controller 140 is configured to control on/off of the bypass switches 150 according to the dc high voltage and the dc high current required by the breaking test of the fuse 200.
In this embodiment, the dc high voltage high breaking test apparatus 100 further includes a controller 140 and a plurality of bypass switches 150, and the plurality of batteries 111 are connected in parallel with the plurality of bypass switches 150 one by one. For example, 20 batteries connected in series can be selected as the battery module 110, each battery is connected in parallel with one bypass switch 150, when a maximum 10000A disconnection test needs to be performed on a 150VDC 50A rated current fuse 200, the battery module 110 needs to operate 12 batteries connected in series with 12V and 20AH as a power supply for the disconnection test, and at this time, any 12 bypass switches can be disconnected by the controller 140, and the 12 batteries connected in series with 12V and 20AH can be connected by closing 8 bypass switches. The bypass switch 150 and the controller 140 are designed to meet the requirements of performing breaking tests on the fuse 200 with different currents, and the operation is convenient.
In one embodiment, referring to fig. 4, the dc high voltage high breaking test apparatus 100 further includes a display 160, and the display 160 is connected to the controller 140 for displaying the voltage and the current of the battery module 110.
In this embodiment, the dc high voltage high breaking test apparatus 100 further includes a display 160, and the display 160 is used for displaying the voltage and the current of the battery module 110. An operator can visually observe whether the voltage and the current provided by the battery module 110 are matched with the direct-current high voltage and the direct-current high current required by the breaking test of the fuse 200.
Specifically, the electrical parameters of the breaking test of the fuse 200 include the voltage, current, pre-arc time, arcing time, and fusing time of the breaking test.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (5)
1. A direct-current high-voltage high-breaking test device is used for detecting the breaking capacity of electrical parameters of a fuse and is characterized by comprising a battery module, a control switch and a measuring instrument, wherein the battery module is connected with the fuse through the control switch, the control switch is used for controlling the battery module to generate direct-current high voltage and direct-current high current required by the fuse breaking test, and the measuring instrument is used for measuring the electrical parameters of the fuse breaking test.
2. The direct-current high-voltage high-breaking test device according to claim 1, further comprising a controller and a plurality of bypass switches, wherein the battery module comprises a plurality of batteries connected in series and/or in parallel, the plurality of batteries are connected in parallel with the plurality of bypass switches one by one, and the controller is configured to control on/off of the bypass switches according to the direct-current high voltage and the direct-current high current required by the fuse breaking test.
3. The direct-current high-voltage high-breaking test device according to claim 2, further comprising a display, wherein the display is connected with the controller and used for displaying the voltage and the current of the battery module.
4. The direct-current high-voltage high-breaking test device according to claim 1, wherein the measuring instrument comprises an oscilloscope.
5. The direct-current high-voltage high-breaking test device according to claim 1, wherein the electrical parameters of the fuse breaking test comprise voltage, current, pre-arc time, arcing time and fusing time of the breaking test.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920790231.5U CN210465619U (en) | 2019-05-27 | 2019-05-27 | Direct-current high-voltage high-breaking testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920790231.5U CN210465619U (en) | 2019-05-27 | 2019-05-27 | Direct-current high-voltage high-breaking testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210465619U true CN210465619U (en) | 2020-05-05 |
Family
ID=70438911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920790231.5U Active CN210465619U (en) | 2019-05-27 | 2019-05-27 | Direct-current high-voltage high-breaking testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210465619U (en) |
-
2019
- 2019-05-27 CN CN201920790231.5U patent/CN210465619U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102608445B (en) | The test of transient voltage protection device | |
| CN108318766A (en) | Operation vehicle for contact wire's AC power distribution cabinet/AC distribution panel device for fast detecting | |
| KR102356375B1 (en) | Movable Test Equipment with Multi Zig for Circuit Breakers | |
| CN112485717A (en) | Power distribution true test load simulation device and method | |
| CN103364690A (en) | Testing system and method for safety | |
| CN111650926A (en) | Comprehensive test system for control box on cable | |
| CN209821292U (en) | Test tool and test system of high-voltage distribution box | |
| CN210465619U (en) | Direct-current high-voltage high-breaking testing device | |
| CN111383843B (en) | Electrolytic capacitor aging method and system and automatic aging machine | |
| CN112462250A (en) | Switching characteristic comprehensive test device | |
| CN111736066A (en) | Automatic testing device for detecting circuit breaker | |
| CN104578243A (en) | A method for monitoring the DC voltage charge and a battery management system | |
| CN109342968B (en) | Device and method for testing battery module before welding | |
| CN108919773B (en) | Automatic test system and method for vehicle-mounted charger control board of new energy automobile | |
| CN214703888U (en) | Electric automobile high voltage direct current fuse life-span automatic checkout device | |
| CN212207607U (en) | Quick wiring control device for temperature rise test of motor winding | |
| CN215813092U (en) | Automatic testing system of charger | |
| CN205246811U (en) | Portable line fault indicator tester | |
| CN210803672U (en) | Motor detection device and motor detection system | |
| CN113960400A (en) | High-voltage testing system of new energy automobile | |
| CN113589080A (en) | Automatic testing system and method for charger | |
| CN219016435U (en) | Insulation resistance testing device | |
| CN117590257B (en) | Test system and test method | |
| CN211453818U (en) | Motor load detection switching circuit | |
| CN213875951U (en) | Portable wireless remote control battery short circuit test device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |