Rapid test tool voltage signal conversion board
By adding a voltage signal conversion small board between the test tooling and the test opening and exit board, the high cost and signal recognition problems during the existing FTU opening and exit board test are solved, and the correct signal recognition and testing are achieved smoothly.
Patent Information
- Application Number
- CN202421672494.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-16
- Publication Date
- 2025-06-27
- Estimated Expiration
- 2034-07-16
AI Technical Summary
The existing FTU opening and exit board has a high cost 24V optocoupler problem during testing, and the cheaper one-way recognition optocoupler cannot correctly identify the opening signal, which affects the normal progress of the test.
A voltage signal conversion board is added between the test tool and the test opening and exit board. By converting the voltage signal, the test tool and the test opening and exit board can correctly identify the opening and exit signals sent by the other party.
The correct signal recognition of the test tooling and the test opening and exit boards is realized, which reduces costs and ensures the smooth progress of the testing of the old and new versions of the opening boards.
Smart Images

Figure CN223038017U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of power grid test tooling, in particular to a voltage signal conversion board for a quick test tooling. Background Technique
[0002] FTU is a device used to monitor and detect faults occurring in a power system. The input / output board therein is used to connect and control various switches, sensors and other devices related thereto.
[0003] However, the existing FTU input / output board has the following disadvantages during testing:
[0004] (1) The 24V optocoupler adopted by the existing FTU input / output board can correctly identify both positive and negative voltage signals. It is okay for the test tooling to directly connect from the output side to the input side. The test tooling and the circuit board under test can correctly judge the signals sent by each other and make responses. However, the price of this kind of optocoupler is relatively high, increasing the cost.
[0005] (2) After replacing it with a cheaper unidirectional recognition optocoupler, the output signals sent by the test board cannot be correctly recognized by the board under test, affecting normal testing. Content of the Utility Model
[0006] The purpose of the utility model is to provide a voltage signal conversion board for a quick test tooling to solve the existing problems raised in the above background technique.
[0007] To achieve the above purpose, the utility model provides the following technical solution: A voltage signal conversion board for a quick test tooling, including a test tooling, the test tooling is electrically connected to a small voltage signal conversion board, the small voltage signal conversion board is electrically connected to the input / output board under test. The test tooling includes Output 1, Output 2, Output 3, Output 4, Output 5, Output 6, Output 7, Output 8, Output 9, Output 10, Output 11, Output 12 and Output 13. The input / output board under test includes In-position Input, Close-position Input, Energy-storage-position Input, Low-pressure Input, Manual-opening Input, Manual-tripping Input, AC-power-loss Input, Battery-undervoltage Input, Activation-state Input, Blocking-1 Input, Blocking-2 Input, Close-position Monitoring Input and Trip-position Monitoring Input.
[0008] When using the voltage signal conversion board for the quick test tooling of this technical solution, by adding a small voltage signal conversion board between the test tooling and the input / output board under test, through converting the voltage signal, the test tooling and the input / output board under test can correctly identify the input / output signals sent by each other, and then complete the test function.
[0009] As a preferred technical solution of the present utility model, the first output is connected to the off-position input, the second output is connected to the on-position input, the third output is connected to the energy storage position input, the fourth output is connected to the low air pressure input, the fifth output is connected to the manual opening input, the sixth output is connected to the manual tripping input, the seventh output is connected to the AC power failure input, the eighth output is connected to the battery under-voltage input, the ninth output is connected to the activation state input, the tenth output is connected to the first interlock input, the eleventh output is connected to the second interlock input, the twelfth output is connected to the on-position monitoring input, and the thirteenth output is connected to the tripping position monitoring input. The outputs on the test fixture are connected to the inputs of the tested input-output board for testing purposes.
[0010] As a preferred technical solution of the present utility model, the off-position input, on-position input, energy storage position input, low air pressure input, manual opening input, manual tripping input, AC power failure input, battery under-voltage input, activation state input, first interlock input, second interlock input, on-position monitoring input, and tripping position monitoring input are all electrically connected to the 24V+ power supply. The inputs of the tested input-output board are powered by the 24V+ power supply.
[0011] As a preferred technical solution of the present utility model, the test fixture includes the first input, second input, third input, fourth input, fifth input, sixth input, seventh input, eighth input, and ninth input, and the tested input-output board includes the energy storage outlet output, trip outlet output, closing outlet output, activation start output, activation stop output, closing interlock one output, closing interlock two output, operation lamp output, and alarm lamp output.
[0012] As a preferred technical solution of the present utility model, the first input is connected to the energy storage outlet output, the second input is connected to the trip outlet output, the third input is connected to the closing outlet output, the fourth input is connected to the activation start output, the fifth input is connected to the activation stop output, the sixth input is connected to the closing interlock one output, the seventh input is connected to the closing interlock two output, the eighth input is connected to the operation lamp output, and the ninth input is connected to the alarm lamp output. The inputs on the test fixture are connected to the outputs of the tested input-output board for testing purposes.
[0013] As a preferred technical solution of the present utility model, the energy storage outlet output, trip outlet output, closing outlet output, activation start output, activation stop output, closing interlock one output, closing interlock two output, operation lamp output, and alarm lamp output are all electrically connected to the 24V+ power supply. The outputs of the tested input-output board are powered by the 24V+ power supply.
[0014] Compared with the prior art, the beneficial effects of the present utility model are:
[0015] 1. By adding a voltage signal conversion small board between the test tooling and the incoming and outgoing board under test, through converting the voltage signal, the test tooling and the incoming and outgoing board under test can correctly identify the incoming and outgoing signals sent by each other, and then complete the test function. Compared with using the new version of 24V optocoupler, the price is lower, reducing the cost.
[0016] 2. Through the set voltage signal conversion small board, whether the incoming and outgoing board under test is the old version or the new version, it can be tested through the quick test tooling, ensuring the smooth progress of the test. Description of the Drawings
[0017] Figure 1 is the front view of the present utility model;
[0018] Figure 2 is the back view of the present utility model;
[0019] Figure 3 is the wiring schematic diagram of the incoming part of the voltage signal conversion small board of the present utility model;
[0020] Figure 4 is the wiring schematic diagram of the outgoing part of the voltage signal conversion small board of the present utility model.
[0021] In the figure: 1. Test tooling; 2. Voltage signal conversion small board; 3. Incoming and outgoing board under test; 301. Divided position incoming; 302. Closed position incoming; 303. Energy storage position incoming; 304. Low air pressure incoming; 305. Manual opening incoming; 306. Manual tripping incoming; 307. AC power failure incoming; 308. Battery under-voltage incoming; 309. Activation state incoming; 310. Blocking one incoming; 311. Blocking two incoming; 312. Closed position monitoring incoming; 313. Tripping position monitoring incoming; 314. Energy storage outlet outgoing; 315. Tripping outlet outgoing; 316. Closing outlet outgoing; 317. Activation start outgoing; 318. Activation exit outgoing; 319. Closing blocking one outgoing; 320. Closing blocking two outgoing; 321. Operating lamp outgoing; 322. Alarm lamp outgoing. Detailed Embodiment
[0022] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.
[0023] Please refer to Figures 1-4, the utility model provides a voltage signal conversion board for a quick test tooling, including a test tooling 1, the test tooling 1 is electrically connected with a small voltage signal conversion board 2, and the small voltage signal conversion board 2 is electrically connected with a measured input and output board 3 for detection operations. The test tooling 1 includes Output 1, Output 2, Output 3, Output 4, Output 5, Output 6, Output 7, Output 8, Output 9, Output 10, Output 11, Output 12 and Output 13. The measured input and output board 3 includes a disconnection position input 301, a closing position input 302, an energy storage position input 303, a low air pressure input 304, a manual opening input 305, a manual tripping input 306, an AC power failure input 307, a battery undervoltage input 308, an activation state input 309, a blocking 1 input 310, a blocking 2 input 311, a closing position monitoring input 312 and a tripping position monitoring input 313.
[0024] During use, by adding a small voltage signal conversion board 2 between the test tooling 1 and the measured input and output board 3, and converting the voltage signal, the test tooling 1 and the measured input and output board 3 can correctly identify the input and output signals sent by each other, and then complete the test function. Through the set small voltage signal conversion board 2, whether the measured input and output board 3 is an old version or a new version, it can be tested through the quick test tooling 1.
[0025] Output 1 is connected to the disconnection position input 301, Output 2 is connected to the closing position input 302, Output 3 is connected to the energy storage position input 303, Output 4 is connected to the low air pressure input 304, Output 5 is connected to the manual opening input 305, Output 6 is connected to the manual tripping input 306, Output 7 is connected to the AC power failure input 307, Output 8 is connected to the battery undervoltage input 308, Output 9 is connected to the activation state input 309, Output 10 is connected to the blocking 1 input 310, Output 11 is connected to the blocking 2 input 311, Output 12 is connected to the closing position monitoring input 312, and Output 13 is connected to the tripping position monitoring input 313. The disconnection position input 301, the closing position input 302, the energy storage position input 303, the low air pressure input 304, the manual opening input 305, the manual tripping input 306, the AC power failure input 307, the battery undervoltage input 308, the activation state input 309, the blocking 1 input 310, the blocking 2 input 311, the closing position monitoring input 312 and the tripping position monitoring input 313 are all electrically connected to the 24V+ power supply.
[0026] During use, connect the 24V+ power supply. Multiple inputs on the test tooling 1 are respectively connected to the corresponding outputs on the measured input and output board 3 to detect the change of the level signal of the output board 3.
[0027] The test tooling 1 includes Input One, Input Two, Input Three, Input Four, Input Five, Input Six, Input Seven, Input Eight, and Input Nine. The to-be-tested input / output board 3 includes Energy Storage Outlet Output 314, Trip Outlet Output 315, Closing Outlet Output 316, Activation Start Output 317, Activation Stop Output 318, Closing Block One Output 319, Closing Block Two Output 320, Operation Lamp Output 321, and Alarm Lamp Output 322. Input One is connected to Energy Storage Outlet Output 314, Input Two is connected to Trip Outlet Output 315, Input Three is connected to Closing Outlet Output 316, Input Four is connected to Activation Start Output 317, Input Five is connected to Activation Stop Output 318, Input Six is connected to Closing Block One Output 319, Input Seven is connected to Closing Block Two Output 320, Input Eight is connected to Operation Lamp Output 321, and Input Nine is connected to Alarm Lamp Output 322. Energy Storage Outlet Output 314, Trip Outlet Output 315, Closing Outlet Output 316, Activation Start Output 317, Activation Stop Output 318, Closing Block One Output 319, Closing Block Two Output 320, Operation Lamp Output 321, and Alarm Lamp Output 322 are all electrically connected to the 24V+ power supply.
[0028] During use, connect the 24V+ power supply. Multiple outputs on the test tooling 1 are respectively connected to the corresponding inputs on the to-be-tested input / output board 3 for detecting the change of the level signal of the output board 3.
[0029] During specific use, for the voltage signal conversion board of the quick test tooling of the present utility model, by adding a voltage signal conversion small board 2 between the test tooling 1 and the to-be-tested input / output board 3, through converting the voltage signal, the test tooling 1 and the to-be-tested input / output board 3 can correctly identify the input / output signals sent by each other, and then complete the test function. Through the set voltage signal conversion small board 2, whether the to-be-tested input / output board 3 is an old version or a new version, it can be tested by the quick test tooling 1.
[0030] Although the present utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.
Claims
1. A fast test fixture voltage signal conversion board, comprising a test fixture (1), characterized in that: The test fixture (1) is electrically connected to a voltage signal conversion board (2), and the voltage signal conversion board (2) is electrically connected to a tested input and output board (3). The test fixture (1) includes output 1, output 2, output 3, output 4, output 5, output 6, output 7, output 8, output 9, output 10, output 11, output 12 and output 13. The tested input and output board (3) includes an open position input (301), a closed position input (302), an energy storage position input (303), a low pressure input (304), a manual open switch input (305), a manual trip input (306), an AC power failure input (307), a battery undervoltage input (308), an activation state input (309), a lockout 1 input (310), a lockout 2 input (311), a closed position monitoring input (312) and a trip position monitoring input (313).
2. The rapid test fixture voltage signal conversion board according to claim 1, characterized in that: The first output is connected to the open position input (301), the second output is connected to the closed position input (302), the third output is connected to the energy storage position input (303), the fourth output is connected to the low pressure input (304), the fifth output is connected to the manual open switch input (305), the sixth output is connected to the manual trip input (306), the seventh output is connected to the AC power failure input (307), the eighth output is connected to the battery undervoltage input (308), the ninth output is connected to the activation state input (309), the tenth output is connected to the lock first input (310), the eleventh output is connected to the lock second input (311), the twelve output is connected to the closed position monitoring input (312), and the thirteenth output is connected to the trip position monitoring input (313).
3. The rapid test fixture voltage signal conversion board according to claim 1, characterized in that: The open position input (301), the closed position input (302), the energy storage position input (303), the low pressure input (304), the manual opening input (305), the manual tripping input (306), the AC power failure input (307), the battery undervoltage input (308), the activation status input (309), the lock 1 input (310), the lock 2 input (311), the closed position monitoring input (312) and the tripping position monitoring input (313) are all electrically connected to the 24V+ power supply.
4. The rapid test fixture voltage signal conversion board according to claim 1, characterized in that: The test tool (1) includes input one, input two, input three, input four, input five, input six, input seven, input eight and input nine, and the input and output board (3) to be tested includes energy storage outlet output (314), trip outlet output (315), closing outlet output (316), activation start output (317), activation exit output (318), closing lock output one (319), closing lock output two (320), operation light output (321) and warning light output (322).
5. The rapid test fixture voltage signal conversion board according to claim 4, characterized in that: Input one is connected to the energy storage outlet output (314), input two is connected to the tripping outlet output (315), input three is connected to the closing outlet output (316), input four is connected to the activation start output (317), input five is connected to the activation exit output (318), input six is connected to the closing lockout 1 output (319), input seven is connected to the closing lockout 2 output (320), input eight is connected to the operating light output (321), and input nine is connected to the warning light output (322).
6. The voltage signal conversion board of the rapid test fixture according to claim 4 is characterized in that: The energy storage output opening (314), the trip output opening (315), the closing output opening (316), the activation start opening (317), the activation exit opening (318), the closing lock 1 opening (319), the closing lock 2 opening (320), the operation light opening (321) and the warning light opening (322) are all electrically connected to the 24V+ power supply.