CN203849367U - Plug discharge test capability verifying sample - Google Patents
Plug discharge test capability verifying sample Download PDFInfo
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- CN203849367U CN203849367U CN201420189413.4U CN201420189413U CN203849367U CN 203849367 U CN203849367 U CN 203849367U CN 201420189413 U CN201420189413 U CN 201420189413U CN 203849367 U CN203849367 U CN 203849367U
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- discharge loop
- discharge
- over switch
- load change
- power
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Abstract
The utility model discloses a plug discharge test capability verifying sample comprising the following elements: a discharge loop module comprising a first discharge loop and a second discharge loop, wherein each discharge loop comprises a capacitor and a resistor in parallel, and different discharge loops have different compacitor and resistor; a power input interface connected with the discharge loop module and used for connecting and providing power for the discharge loop module, or being used as an interface for detecting discharge capability; a load change over switch connected between the discharge loop module and the power input interface and used for selecting one discharge loop in the discharge loop module for conduction. When the load change over switch conducts the first discharge loop, the first discharge loop can release inner voltage to be under safe voltage in a standard time after the power is cut off; when the load change over switch conducts the second discharge loop, the second discharge loop cannot release the inner voltage to be under the safe voltage in a standard time after the power is cut off.
Description
Technical field
The utility model relates to electrical detection facility field, particularly a kind of plug discharging power of test verification sample.
Background technology
Electric detection field is one of CNAS accreditation field to laboratory, plug discharging test is evaluation and supervises one of important means of the mechanism technology abilities such as detection, calibration, inspection, also being a kind of effectively external mass guarantee activity, is supplementing of its internal quality control technology.Plug discharging test is basis, the core project that electric field efficiency detects, be the product efficiencies such as household electrical appliances, info class equipment, audio & video equipment and power supply adaptor detect must survey project.All there are Compulsory Feature in China, European Union and the U.S. to the plug discharging ability of product.
When the electric product of ac power supply pulls the plug out of the socket power-off, also can remain dump energy, therefore likely can damage personnel.Therefore, need to its dump energy with and discharge capability test.The object of this test event is the rationality of inspection electronic and electrical equipment internal electron circuit and components and parts design, setting and layout, avoids in electric product the components and parts such as electric capacity to discharge user is caused to danger after plug is extracted.
Because the structure of electric product varies, with respect to the field such as chemical solution, starting material, product structure relative complex, it is extremely important that special mechanism for testing will obtain the plug discharging test result of homogeneity and good stability, therefore, need a kind of plug discharging power of test verification sample to verify the power of test of mechanism for testing.
Utility model content
The utility model, for prior art above shortcomings, provides one.
The utility model is achieved through the following technical solutions:
A kind of plug discharging power of test verification sample, carries out plug discharging test in order to simulate electrical equipment, comprising:
Discharge loop module, comprises the first discharge loop and the second discharge loop, and each discharge loop comprises electric capacity in parallel and resistance, the electric capacity of different discharge loops and resistance difference;
Power input interface, connects discharge loop module, with thinking that discharge loop module connects power supply and powers, or as the interface that detects discharge capability;
Load change-over switch, is connected between discharge loop module and power input interface, in order to select a discharge loop conducting in discharge loop module;
Wherein, under the state of load change-over switch conducting the first discharge loop, the first discharge loop can be released into its builtin voltage below safe voltage in the standard time after deenergization; Under the state of load change-over switch conducting the second discharge loop, the second discharge loop can not be released into its builtin voltage below safe voltage in the standard time after deenergization.
Preferably, the voltage of power supply is 220V, and safe voltage is 34V.
Preferably, the standard time is 1 second.
Preferably, also comprise sealing electrical box, discharge loop module is arranged on sealing electrical box inside, and power input interface and load change-over switch are arranged on the side of sealing electrical box.
By the utility model, can effectively verify the ability of plug discharging test, ensure the accuracy of plug discharging test.
Brief description of the drawings
Shown in Fig. 1 is one-piece construction schematic diagram of the present utility model;
Shown in Fig. 2 is the structural representation of discharge loop module of the present utility model.
Embodiment
Below with reference to accompanying drawing of the present utility model; technical scheme in the utility model embodiment is carried out to clear, complete description and discussion; obviously; as described herein is only a part of example of the present utility model; it is not whole examples; based on the embodiment in the utility model, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite of not making creative work, belongs to protection domain of the present utility model.
For the ease of the understanding to the utility model embodiment, be further explained as an example of specific embodiment example below in conjunction with accompanying drawing, and each embodiment does not form the restriction to the utility model embodiment.
As shown in Figure 1, a kind of plug discharging power of test verification sample that the utility model provides comprises: discharge loop module 1, power input interface 3, load change-over switch 2, the utility model is as long as for verifying the accuracy of plug charge-discharge test.
Preferably, discharge loop module 1 is arranged on sealing electrical box 4 inside, and power input interface 3 and load change-over switch 2 are arranged on the side of sealing electrical box 4.Thereby can accomplish circuit to protect.
As shown in Figure 2, discharge loop module 1 comprises the first discharge loop 11 and the second discharge loop 12, discharge loop comprises electric capacity in parallel and resistance, the electric capacity of two discharge loops and resistance difference, its objective is: under the state of load change-over switch 2 conducting the first discharge loops 11, the first discharge loop 11 can be released into its builtin voltage below safe voltage in the standard time after deenergization; Under the state of load change-over switch 2 conducting the second discharge loops 12, the second discharge loop 12 can not be released into its builtin voltage below safe voltage in the standard time after deenergization.In the checking of plug discharging power of test, with this two-way discharge loop, testing apparatus is tested respectively, so just can verify the accuracy of plug discharging test.
Use procedure of the present utility model is as follows:
Load change-over switch 2 has 3 shelves, first grade is conducting the first discharge loop 11, it is the K1-1 closure in Fig. 2, second gear is conducting the second discharge loop 12, be the K1-2 closure in Fig. 2, third gear is neutral, and the K1-1 in Fig. 2, K1-2 disconnect, two not conductings of discharge loop can switch to neutral in the time not using.
First, load change-over switch 2 is selected first grade, conducting the first discharge loop 11, and power input interface 3 accesses the electricity consumption of power supply simulation electric product;
Then deenergization, the power input interface 3 of plug discharging power of test verification sample is accessed to a discharge test device, because the first discharge loop 11 can be released into its inner voltage below safe voltage 34V within 1 second standard time, so the test result of discharge test device should be qualified, otherwise illustrate that deviation appears in plug discharging testing apparatus;
Load change-over switch 2 is selected second gear, conducting the second discharge loop 12, and power input interface 3 accesses the electricity consumption of power supply simulation electric product;
Then deenergization, the power input interface 3 of plug discharging power of test verification sample is accessed to discharge test device, because the second discharge loop 12 can not be released into its inner voltage below safe voltage 34V within 1 second standard time, so the test result of discharge test device should be defective, otherwise illustrate that deviation appears in plug discharging testing apparatus;
Load change-over switch 2 is selected neutral, and checking finishes.
Whether the test result that can know plug discharging testing apparatus by checking of the present utility model is correct, thereby effectively ensures measuring accuracy, guarantees the user's of electric product safety.
The above; it is only preferably embodiment of the utility model; but protection domain of the present utility model is not limited to this; any be familiar with those skilled in the art the utility model disclose technical scope in; the variation that can expect easily or replacement, within all should being encompassed in protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of claim.
Claims (4)
1. a plug discharging power of test verification sample, carries out plug discharging test in order to simulate electrical equipment, it is characterized in that, comprising:
Discharge loop module, comprises the first discharge loop and the second discharge loop, and each discharge loop comprises electric capacity in parallel and resistance, the electric capacity of different discharge loops and resistance difference;
Power input interface, connects described discharge loop module, with thinking that described discharge loop module connects power supply and powers, or as the interface that detects discharge capability;
Load change-over switch, is connected between described discharge loop module and described power input interface, in order to select a discharge loop conducting in described discharge loop module;
Wherein, under the state of the first discharge loop described in the conducting of described load change-over switch, described the first discharge loop can be released into its builtin voltage below safe voltage in the standard time after deenergization; Under the state of the second discharge loop described in the conducting of described load change-over switch, described the second discharge loop can not be released into its builtin voltage below described safe voltage in the described standard time after deenergization.
2. plug discharging power of test verification sample according to claim 1, is characterized in that, the voltage of described power supply is 220V, and described safe voltage is 34V.
3. plug discharging power of test verification sample according to claim 1, is characterized in that, the described standard time is 1 second.
4. plug discharging power of test verification sample according to claim 1, it is characterized in that, also comprise sealing electrical box, described discharge loop module is arranged on described sealing electrical box inside, and described power input interface and described load change-over switch are arranged on the side of described sealing electrical box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420189413.4U CN203849367U (en) | 2014-04-17 | 2014-04-17 | Plug discharge test capability verifying sample |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420189413.4U CN203849367U (en) | 2014-04-17 | 2014-04-17 | Plug discharge test capability verifying sample |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203849367U true CN203849367U (en) | 2014-09-24 |
Family
ID=51562368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420189413.4U Expired - Fee Related CN203849367U (en) | 2014-04-17 | 2014-04-17 | Plug discharge test capability verifying sample |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203849367U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106300312A (en) * | 2016-09-14 | 2017-01-04 | 海南电网有限责任公司海口供电局 | A kind of transformator directly hinders measurement double loop discharge circuit |
-
2014
- 2014-04-17 CN CN201420189413.4U patent/CN203849367U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106300312A (en) * | 2016-09-14 | 2017-01-04 | 海南电网有限责任公司海口供电局 | A kind of transformator directly hinders measurement double loop discharge circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140924 Termination date: 20150417 |
|
| EXPY | Termination of patent right or utility model |