CN202770899U - Conduction current automatic testing device - Google Patents
Conduction current automatic testing device Download PDFInfo
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- CN202770899U CN202770899U CN 201220479985 CN201220479985U CN202770899U CN 202770899 U CN202770899 U CN 202770899U CN 201220479985 CN201220479985 CN 201220479985 CN 201220479985 U CN201220479985 U CN 201220479985U CN 202770899 U CN202770899 U CN 202770899U
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- conduction current
- control circuit
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- timer
- automatic testing
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Abstract
The utility model relates to a conduction current automatic testing device which can solve the automatic measurement difficulty of a conventional conduction current testing device. The conduction current automatic testing device includes a cylinder electrode, a circular electrode, an adjustable direct current power supply and a megger. The cylinder electrode is arranged on the upper surface of a to-be-tested composite material. The circular electrode is arranged on the lower surface of the to-be-tested composite material. The cylinder electrode and the circular electrode are connected with the adjustable direct current power supply respectively. The megger is used for measuring the currents passing through the cylinder electrode and the circular electrode. The conduction current automatic testing device also includes a control circuit and a timer. The current source control signal output terminal of the control circuit can be connected with the control signal input terminal of the adjustable direct current power supply. The timer signal output terminal of the timer is connected with the timer signal input terminal of the control circuit. The conduction current automatic testing device is suitable for the conduction current automatic test.
Description
Technical field
The utility model relates to a kind of conduction current proving installation.
Background technology
Present conduction current proving installation as shown in Figure 1, its be on compound substance to be measured and below a cylinder electrode 1 and a round electrode 2 are set respectively, then two electrodes are being accessed adjustable DC power supplys 3, then gather by the current value on two electrodes, thereby obtain the conduction current value.But in this manner, the each measurement needs the interval more than 30 minutes, can't realize robotization owing to measuring, and measuring needs artificial post, and repeatedly measuring needs the waste of manpower resource.
The utility model content
The utility model is can't realize the automatically problem of measurement in order to solve existing conduction current proving installation, thereby a kind of conduction current automatic testing equipment is provided.
The conduction current automatic testing equipment, it comprises cylinder electrode, circle electrode, adjustable DC power supply and megger, described cylinder electrode is arranged on the upper surface of compound substance to be measured, the circle electrode is arranged on the lower surface of compound substance to be measured, described cylinder electrode and circle electrode access respectively the adjustable DC power supply, and megger is used for measuring the electric current by cylinder electrode and circle electrode;
It also comprises control circuit and timer, and the current source control signal output terminal of described control circuit is connected with the control signal input end of adjustable DC power supply; The timer signal output terminal of timer is connected with the timer signal input end of control circuit.
The utility model adopts timer controling time, control circuit is controlled the unlatching of adjustable DC power supply according to the time of timer output or is stopped, adopt the output voltage of control circuit control adjustable DC power supply, so realize according to regular time the interval and different output voltages power to unit under test.And then the purpose of the conduction current under the different voltages is measured in realization automatically.The utility model can significantly be saved manually.
Description of drawings
Fig. 1 is the structural representation of existing measurement mechanism in the background technology; Wherein, mark R is protective resistance; Fig. 2 is structural representation of the present utility model.
Embodiment
Embodiment one, in conjunction with Fig. 2 this embodiment is described, the conduction current automatic testing equipment, it comprises cylinder electrode 1, circle electrode 2, adjustable DC power supply 3 and megger 4, described cylinder electrode 1 is arranged on the upper surface of compound substance 10 to be measured, circle electrode 2 is arranged on the lower surface of compound substance 10 to be measured, described cylinder electrode 1 and circle electrode 2 access respectively adjustable DC power supply 3, and megger 4 is used for measuring the electric current by cylinder electrode 1 and circle electrode 2;
It also comprises control circuit 5 and timer 6, and the current source control signal output terminal of described control circuit 5 is connected with the control signal input end of adjustable DC power supply 3; The timer signal output terminal of timer 6 is connected with the timer signal input end of control circuit 5.
Principle of work: the utility model adopts 6 control times of timer, control circuit is controlled the unlatching of adjustable DC power supply 3 according to the time of timer output or is stopped, adopt the output voltage of control circuit control adjustable DC power supply 3, so realize according to regular time the interval and different output voltages power to unit under test.And then the purpose of the conduction current under the different voltages is measured in realization automatically.The utility model can significantly be saved manually.
The difference of embodiment two, this embodiment and embodiment one described conduction current automatic testing equipment is, it also comprises display 7, and the display input end of described display 7 is connected with the display output terminal of control circuit 5.
The difference of embodiment three, this embodiment and embodiment one or two described conduction current automatic testing equipments is, it also comprises keyboard 8, and the keyboard signal output terminal of described keyboard 8 is connected with the keyboard signal input end of control circuit 5.
The difference of embodiment four, this embodiment and embodiment three described conduction current automatic testing equipments is, control circuit 5 employing chip microcontroller.
Control circuit in the present embodiment adopts chip microcontroller, and increase is used for keyboard and the display of man-machine interface, can be before using, by keyboard be set the adjacent time interval that applies constant current source for twice, and the size of current that at every turn applies constant current source is set, and then realize more flexibly operation.
Claims (4)
1. conduction current automatic testing equipment, it comprises cylinder electrode (1), circle electrode (2), adjustable DC power supply (3) and megger (4), described cylinder electrode (1) is arranged on the upper surface of compound substance to be measured (10), circle electrode (2) is arranged on the lower surface of compound substance to be measured (10), described cylinder electrode (1) and circle electrode (2) access respectively adjustable DC power supply (3), and megger (4) is used for measuring the electric current by cylinder electrode (1) and circle electrode (2); It is characterized in that: further comprising control circuit (5) and timer (6), the current source control signal output terminal of described control circuit (5) is connected with the control signal input end of adjustable DC power supply (3); The timer signal output terminal of timer (6) is connected with the timer signal input end of control circuit (5).
2. conduction current automatic testing equipment according to claim 1 is characterized in that it also comprises display (7), and the display input end of described display (7) is connected with the display output terminal of control circuit (5).
3. conduction current automatic testing equipment according to claim 1 and 2 is characterized in that it also comprises keyboard (8), and the keyboard signal output terminal of described keyboard (8) is connected with the keyboard signal input end of control circuit (5).
4. conduction current automatic testing equipment according to claim 3 is characterized in that control circuit (5) adopts chip microcontroller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220479985 CN202770899U (en) | 2012-09-19 | 2012-09-19 | Conduction current automatic testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220479985 CN202770899U (en) | 2012-09-19 | 2012-09-19 | Conduction current automatic testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202770899U true CN202770899U (en) | 2013-03-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220479985 Expired - Fee Related CN202770899U (en) | 2012-09-19 | 2012-09-19 | Conduction current automatic testing device |
Country Status (1)
| Country | Link |
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| CN (1) | CN202770899U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105021927A (en) * | 2015-07-28 | 2015-11-04 | 西安交通大学 | Carbon-fibre composite lamination plate undercurrent volt-ampere characteristics measuring method and measuring apparatus |
| CN105911326A (en) * | 2016-04-18 | 2016-08-31 | 清华大学 | Conduction current-space charge combined measurement device |
| CN108710032A (en) * | 2018-04-18 | 2018-10-26 | 哈尔滨理工大学 | A kind of Study Polymer Melts dielectric material carrier transport characteristic comprehensive measurement device |
| CN109116119A (en) * | 2018-09-19 | 2019-01-01 | 中国南方电网有限责任公司超高压输电公司柳州局 | A kind of loop resistance test macro under double ground states |
| CN109188050A (en) * | 2018-09-13 | 2019-01-11 | 哈尔滨理工大学 | A kind of dielectric conduction current measuring device |
| CN112557730A (en) * | 2020-09-29 | 2021-03-26 | 哈尔滨理工大学 | System and method for testing conductivity current under high pressure |
-
2012
- 2012-09-19 CN CN 201220479985 patent/CN202770899U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105021927A (en) * | 2015-07-28 | 2015-11-04 | 西安交通大学 | Carbon-fibre composite lamination plate undercurrent volt-ampere characteristics measuring method and measuring apparatus |
| CN105021927B (en) * | 2015-07-28 | 2018-04-17 | 西安交通大学 | The measuring method and measuring device of carbon fibre composite laminate low current C-V characteristic |
| CN105911326A (en) * | 2016-04-18 | 2016-08-31 | 清华大学 | Conduction current-space charge combined measurement device |
| CN105911326B (en) * | 2016-04-18 | 2018-11-09 | 清华大学 | Conduction current-space charge combined measurement device |
| CN108710032A (en) * | 2018-04-18 | 2018-10-26 | 哈尔滨理工大学 | A kind of Study Polymer Melts dielectric material carrier transport characteristic comprehensive measurement device |
| CN109188050A (en) * | 2018-09-13 | 2019-01-11 | 哈尔滨理工大学 | A kind of dielectric conduction current measuring device |
| CN109116119A (en) * | 2018-09-19 | 2019-01-01 | 中国南方电网有限责任公司超高压输电公司柳州局 | A kind of loop resistance test macro under double ground states |
| CN112557730A (en) * | 2020-09-29 | 2021-03-26 | 哈尔滨理工大学 | System and method for testing conductivity current under high pressure |
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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: 20130306 Termination date: 20150919 |
|
| EXPY | Termination of patent right or utility model |