CN203287453U - Outlet logic testing box for low-frequency-low-voltage load shedding equipment - Google Patents
Outlet logic testing box for low-frequency-low-voltage load shedding equipment Download PDFInfo
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- CN203287453U CN203287453U CN2013203215843U CN201320321584U CN203287453U CN 203287453 U CN203287453 U CN 203287453U CN 2013203215843 U CN2013203215843 U CN 2013203215843U CN 201320321584 U CN201320321584 U CN 201320321584U CN 203287453 U CN203287453 U CN 203287453U
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Abstract
The utility model discloses an outlet logic testing box for low-frequency-low-voltage load shedding equipment, and relates to the technical field of voltage testing devices. The outlet logic testing box comprises a box body, wherein the box body is provided with an observation port and wiring jacks and internally provided with a circuit board, the circuit board is provided with voltage sensors, an acquisition board, a single chip microcomputer, an input/output unit, a storage device and a power supply module, each wiring jack corresponds to a voltage sensor, the voltage sensors are connected with an input end of the acquisition board, an output end of the acquisition board is connected with an input end of the single chip microcomputer, the power supply module is connected with a power input end of the single chip microcomputer, and the input/output unit and the storage unit are in bidirectional connection with the single chip microcomputer. The testing box disclosed by the utility model can accurately test motion behaviors and characteristics of each round and each outlet of the low-frequency-low-voltage load shedding equipment, and improves the detection efficiency and the detection accuracy.
Description
Technical field
The utility model relates to the proving installation technical field of voltage, relates in particular to a kind of low-frequency low-voltage load shedding device outlet logic test box.
Background technology
In order to improve power supply quality, guarantee the reliability of responsible consumer power supply, when occurring in system that meritorious power shortage causes frequency, voltage drop, degree according to frequency, voltage drop, automatic cutout part user, stop frequency, voltage drop, so that frequency, voltage return to rapidly normal value, this device is automatic low-frequency, voltage loadshedding equipment.It not only can guarantee the power supply to responsible consumer, and the system break-down accident that can avoid frequency, voltage drop to cause.
In electric system low-frequency low-voltage load shedding device check work, whole group of transmission test is the key link, voltage while passing into simulated failure in indicator device, with verifying attachment action situation in failure process, be to check whether low-frequency low-voltage load shedding device secondary circuit is correct, reliably whether device work most effectual way.Close number of times for reducing the switch jumping, after common first verifying attachment outlet action was correct, last belt switch transmission once.Traditional reaying protection test platform can't monitoring device the outlet action, can only rely on artificial cooperation to test that each round output clamping current potential is determined switch motion constantly and sequentially, inefficiency and can't quantize indices.
The utility model content
Technical problem to be solved in the utility model is to provide a kind of low-frequency low-voltage load shedding device outlet logic test box, can accurately test out action behavior and the characteristic of each round of low-frequency low-voltage load shedding device, each outlet, improve the accuracy of checkability and detection.
for solving the problems of the technologies described above, technical solution adopted in the utility model is: a kind of low-frequency low-voltage load shedding device outlet logic test box, comprise casing, described casing is provided with observation panel and patch jack, it is characterized in that being provided with circuit board in described casing, be provided with voltage sensor on described circuit board, collection plate, single-chip microcomputer, input-output unit, storer and power module, the corresponding voltage sensor of each patch jack, voltage sensor is connected with the input end of collection plate, the output terminal of collection plate is connected with the input end of single-chip microcomputer, described power module is connected with the power input of described single-chip microcomputer, described input-output unit is connected with storer and single-chip microcomputer are two-way.
Preferably: described input-output unit is keyboard and display.
Preferably: described input-output unit is touch-screen.
Preferably: described test box also comprises the printer that is connected with the output terminal of single-chip microcomputer.
The beneficial effect that adopts technique scheme to produce is: in use, the wire of described test box by two ends band connection terminal is connected with the outlet of low-frequency low-voltage load shedding device, after voltage signal is gathered by voltage sensor, be converted to digital signal by collection plate, then send single-chip microcomputer to and carry out calculation process, data message and result after processing are presented on touch-screen.This device can be monitored the multi-way outlet acting characteristic simultaneously; and record each round outlet action relative time; time precision is the ms level; fill up the traditional relay protection testing table and can't monitor simultaneously the blank that the outlet of multichannel low-frequency low-voltage load shedding device is moved; this test box by reference; low-frequency low-voltage load shedding device check work time shorten 30%, accuracy brings up to 99%.
Description of drawings
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Fig. 1 is theory diagram of the present utility model.
Embodiment
As shown in Figure 1, a kind of low-frequency low-voltage load shedding device outlet logic test box, comprise casing, described casing is provided with observation panel and patch jack, be provided with circuit board in described casing, be provided with voltage sensor, collection plate, single-chip microcomputer, input-output unit, storer and power module on described circuit board.The corresponding voltage sensor of each patch jack, voltage sensor is connected with the input end of collection plate, the output terminal of collection plate is connected with the input end of single-chip microcomputer, described power module is connected with the power input of described single-chip microcomputer, and described input-output unit is connected with storer and single-chip microcomputer are two-way.Described input-output unit can also can be for having the touch-screen of input/output function for keyboard and display.In order to facilitate print data, described test box also comprises with the output terminal of single-chip microcomputer and is connected to printer.
The inspection process of low-frequency low-voltage load shedding device is: device parameter and visual examination-secondary circuit inspection-insulation experiment-device power on-Kai enters the amount of leaving inspection-A/D conversion system check-customization and adjusts and check-whole group of experiment-end of belt switch.Described test box is to be applied in the definite value test stage, tradition check outlet method of operating is that many people utilize multimeter measurement outlet change in voltage to judge, the application proposes to adopt digital device to monitor simultaneously the method for multi-way switch outlet current potential, each round switch action characteristic value while obtaining device action, accurately judgment means action and definite value consistance.
In use, the wire of described test box by two ends band connection terminal is connected with the outlet of low-frequency low-voltage load shedding device, after voltage signal is gathered by voltage sensor, be converted to digital signal by collection plate, then send single-chip microcomputer to and carry out calculation process, data message and result after processing are presented on touch-screen.This device can be monitored the multi-way outlet acting characteristic simultaneously; and record each round outlet action relative time; time precision is the ms level; fill up the traditional relay protection testing table and can't monitor simultaneously the blank that the outlet of multichannel low-frequency low-voltage load shedding device is moved; this test box by reference; low-frequency low-voltage load shedding device check work time shorten 30%, accuracy brings up to 99%.
Applied specific case herein principle of the present utility model and embodiment thereof are set forth, the explanation of above embodiment is just with helping understand method of the present utility model and core concept thereof.Should be pointed out that for the person of ordinary skill of the art, can also carry out some improvement and modification to the utility model under the prerequisite that does not break away from the utility model principle, these improvement and modification also fall in the protection domain of the utility model claim.
Claims (4)
1. low-frequency low-voltage load shedding device outlet logic test box, comprise casing, described casing is provided with observation panel and patch jack, it is characterized in that being provided with circuit board in described casing, be provided with voltage sensor on described circuit board, collection plate, single-chip microcomputer, input-output unit, storer and power module, the corresponding voltage sensor of each patch jack, voltage sensor is connected with the input end of collection plate, the output terminal of collection plate is connected with the input end of single-chip microcomputer, described power module is connected with the power input of described single-chip microcomputer, described input-output unit is connected with storer and single-chip microcomputer are two-way.
2. a kind of low-frequency low-voltage load shedding device outlet logic test box according to claim 1, is characterized in that described input-output unit is keyboard and display.
3. a kind of low-frequency low-voltage load shedding device outlet logic test box according to claim 1, is characterized in that described input-output unit is touch-screen.
4. a kind of low-frequency low-voltage load shedding device outlet logic test box according to claim 1, is characterized in that described test box also comprises the printer that is connected with the output terminal of single-chip microcomputer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203215843U CN203287453U (en) | 2013-06-05 | 2013-06-05 | Outlet logic testing box for low-frequency-low-voltage load shedding equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203215843U CN203287453U (en) | 2013-06-05 | 2013-06-05 | Outlet logic testing box for low-frequency-low-voltage load shedding equipment |
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| CN203287453U true CN203287453U (en) | 2013-11-13 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111290372A (en) * | 2020-03-10 | 2020-06-16 | 江苏省电力试验研究院有限公司 | Intelligent detector and test system for power grid frequency and voltage emergency control device |
| CN111338319A (en) * | 2020-03-10 | 2020-06-26 | 江苏省电力试验研究院有限公司 | Intelligent detector for power grid frequency and voltage emergency control device |
-
2013
- 2013-06-05 CN CN2013203215843U patent/CN203287453U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111290372A (en) * | 2020-03-10 | 2020-06-16 | 江苏省电力试验研究院有限公司 | Intelligent detector and test system for power grid frequency and voltage emergency control device |
| CN111338319A (en) * | 2020-03-10 | 2020-06-26 | 江苏省电力试验研究院有限公司 | Intelligent detector for power grid frequency and voltage emergency control device |
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| 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: 20131113 Termination date: 20180605 |
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| CF01 | Termination of patent right due to non-payment of annual fee |