CN216485394U - CFI type low-voltage switch off-line test device and equipment - Google Patents
CFI type low-voltage switch off-line test device and equipment Download PDFInfo
- Publication number
- CN216485394U CN216485394U CN202122381861.7U CN202122381861U CN216485394U CN 216485394 U CN216485394 U CN 216485394U CN 202122381861 U CN202122381861 U CN 202122381861U CN 216485394 U CN216485394 U CN 216485394U
- Authority
- CN
- China
- Prior art keywords
- test
- connector
- switch
- button
- power supply
- 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
- Emergency Protection Circuit Devices (AREA)
Abstract
The utility model discloses a CFI type low-voltage switch off-line test device and equipment. The first connector, the second connector and the third connector are all connected with a power supply control unit, and the power supply control unit is connected with a test plug; the valve opening button is connected between the power supply control unit and the valve opening instruction end of the test plug, and the valve closing button is connected between the power supply control unit and the valve closing instruction end of the test plug. The novel device and equipment of this experiment can simplify test operation, saves the wiring operation, eliminates the risk of electrocution, reduces the people because of error risk, improves reliability etc..
Description
Technical Field
The utility model relates to the field of equipment testing devices, in particular to a CFI (circulating fluid interface) type low-voltage switch off-line testing device and equipment.
Background
In the process of overhauling a low-voltage alternating-current distribution board, a plurality of relays corresponding to each low-voltage switch in the distribution board need to be replaced. After the relay is replaced, all the low-voltage switches need to be subjected to offline function tests to ensure that the low-voltage switches are normal in function. However, in the process of off-line checking the low-voltage switch, not only a direct-current stabilized voltage power supply needs to be added temporarily, but also more short-circuit wires need to be used for simulating the action of external signals, and the operation is very complicated. Particularly, the CFI-1/2/3 type low-voltage switch has the defects of complex operation, high electric shock risk, low reliability, long time consumption, large manpower input and the like in an off-line test by using the conventional method because the low-voltage switch relates to a control power supply with 3 voltage levels and the limiting feedback of a downstream electric valve.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing a CFI type low-voltage switch off-line testing device aiming at least one defect in the prior art.
The technical scheme adopted by the utility model for solving the technical problems is as follows: the off-line testing device for the CFI type low-voltage switch is constructed and comprises a power supply control unit, a valve opening button, a valve closing button, a first connector, a second connector, a third connector and a testing plug, wherein the valve opening button is used for testing whether a valve opening loop of the tested low-voltage switch is normal or not, the valve closing button is used for testing whether a valve closing loop of the tested low-voltage switch is normal or not, the first connector is used for connecting a first input power supply, the second connector is used for connecting a second input power supply, the third connector is used for connecting a third input power supply, and the testing plug is connected with the first input power supply;
the first connector, the second connector and the third connector are all connected with the power supply control unit, and the power supply control unit is connected with the test plug; the valve opening button is connected between the power supply control unit and the valve opening instruction end of the test plug, and the valve closing button is connected between the power supply control unit and the valve closing instruction end of the test plug.
Preferably, the CFI type low-voltage switch offline test device further comprises a full-on test button and a full-off test button;
the full-switch lamp test power supply output end of the test plug is connected with the first end of the full-switch lamp test button and the first end of the full-switch lamp test button, the second end of the full-switch lamp test button is connected with the full-switch lamp test instruction input end of the test plug, and the second end of the full-switch lamp test button is connected with the full-switch lamp test instruction input end of the test plug.
Preferably, the CFI type low-voltage switch offline test device further comprises an on-limit test button and an off-limit test button;
the open limit test button is connected between two ends of an open limit test loop of the test plug, and the close limit test button is connected between two ends of a close limit test loop of the test plug.
Preferably, the open limit test button and the close limit test button are both normally closed type switch buttons.
Preferably, the power supply control unit further comprises a switch element for controlling the on/off of the first, second and third input power supplies, and a power supply distribution circuit;
the positive electrode of the first connector is connected with the first end of the switch element, the second end of the switch element is respectively connected with the power distribution circuit, and the power distribution circuit is simultaneously connected with the second connector and the third connector.
Preferably, the power distribution circuit comprises a first relay for controlling the on-off of the first input power supply, and a second relay for controlling the on-off of the second input power supply and the third input power supply;
the second end of the switch element is respectively connected with the first ends of the exciting coils of the first relay and the second relay, and the negative electrode of the first connector is respectively connected with the second ends of the exciting coils of the first relay and the second relay;
the positive electrode and the negative electrode of the first connector are also connected to a first power output end of the test plug through a first normally open loop and a second normally open loop of the first relay respectively;
the positive electrode and the negative electrode of the second connector are respectively connected to a second power output end of the test plug through a first normally open loop and a second normally open loop of the second relay;
and the positive electrode and the negative electrode of the third connector are respectively connected to a third power output end of the test plug through a third normally open loop and a fourth normally open loop of the second relay.
Preferably, the switch element is a rotary switch.
Preferably, each of said connectors is a banana type socket.
The utility model also constructs CFI type low-voltage switch off-line testing equipment which comprises a shell, wherein the CFI type low-voltage switch off-line testing device in any embodiment is arranged in the shell.
Optionally, the side wall of the housing is provided with a through hole for passing through a connecting wire of the test plug;
the test plug is arranged outside the shell, each test button is arranged on the top of the shell and protrudes, and each connector is arranged on the side wall of the shell.
The utility model has the following beneficial effects: the device is internally provided with a connector used for connecting each input power supply, after a test plug is inserted into a tested low-voltage switch, the power control unit is used for controlling the on-off of each input power supply, whether the function corresponding to the low-voltage switch is normal can be tested only by pressing a test button, the wiring operation is omitted, the electric shock risk is reduced, the human error risk is reduced, the reliability is improved, the operation is simple, the test time is saved, the construction period is effectively shortened, and the cost is reduced.
Drawings
The utility model will be further described with reference to the accompanying drawings and examples, in which:
fig. 1 is a schematic diagram of an off-line testing device for a CFI low-voltage switch in the utility model.
Detailed Description
For a more clear understanding of the technical features, objects, and effects of the present invention, embodiments of the present invention will now be described in detail with reference to the accompanying drawings.
For a more clear understanding of the technical features, objects and effects of the present invention, embodiments of the present invention will now be described in detail with reference to the accompanying drawings. In the following description, it is to be understood that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," "secured," "disposed," and the like are to be construed broadly and can be, for example, fixedly connected, detachably connected, or integral with one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. When an element is referred to as being "on" or "under" another element, it can be "directly" or "indirectly" on the other element or intervening elements may also be present. The terms "first", "second", "third", etc. are only for convenience in describing the present technical solution, and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", etc. may explicitly or implicitly include one or more of such features. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Fig. 1 is a schematic diagram of an off-line testing device for a CFI low-voltage switch according to the present invention. As shown in fig. 1, the utility model constructs a CFI type low-voltage switch offline test device, which includes a first connector 1 for connecting a first input power supply, a second connector 2 for connecting a second input power supply, a third connector 3 for connecting a third input power supply, a test plug 4, a power supply control unit 5, a valve opening button 6 for testing whether a valve opening loop of a tested low-voltage switch is normal, a valve closing button 7 for testing whether a valve closing loop of the tested low-voltage switch is normal, a full-on lamp test button 8, a full-off lamp test button 9, an opening limit test button 101, and a closing limit test button 102; alternatively, each connector may be a banana type socket.
Specifically, the first connector 1, the second connector 2 and the third connector 3 are all connected with a power supply control unit 5, and the power supply control unit 5 is connected with a test plug 4; the valve opening button 6 is connected between the power supply control unit 5 and the valve opening command end of the test plug 4, and the valve closing button 7 is connected between the power supply control unit 5 and the valve closing command end of the test plug 4.
The first end of the test button 8 of turning on the light entirely and the first end of the test button 9 of turning off the light entirely are connected simultaneously to the full switch lamp test power output end of test plug 4, and the test instruction input of turning on the light entirely of test plug 4 is connected to the second end of the test button 8 of turning on the light entirely, and the test instruction input of turning off the light entirely of test plug 4 is connected to the second end of the test button 9 of turning off the light entirely.
The open limit test button 101 is connected between both ends of the open limit test loop of the test plug 4, and the close limit test button 102 is connected between both ends of the close limit test loop of the test plug 4.
Alternatively, the open limit test button 101 and the closed limit test button 102 are both normally closed type switch buttons.
The tested CFI type low-voltage switch relates to three direct-current input power supplies. The output voltage of the first input power supply is 125V, the output voltage of the second input power supply is 48V, and the output voltage of the third input power supply is 24V. The first input power supply supplies power to the output power supply of the tested low-voltage switch, and the second input power supply and the third input power supply power to a control loop and a test loop in the tested low-voltage switch. The test plug 4 is respectively connected with each power supply input end of the tested low-voltage switch and each input end of the operation instruction; wherein, the operation instruction comprises: the method comprises a valve opening instruction, a valve closing instruction, a full-light-on test instruction, a full-light-off test instruction, an opening limit test instruction and a closing limit test instruction.
The test procedure was as follows: when the valve opening button 6 is pressed down, if the valve opening loop of the tested low-pressure switch is conducted and the valve opening action occurs, the valve opening loop of the tested low-pressure switch is proved to be normal; when the valve opening button 6 is pressed, if the valve closing circuit is conducted and the valve closing operation is generated, the valve closing circuit is proved to be normal. When the full-on test button 8 is pressed, if the full-on indicator light loop of the tested low-voltage switch is conducted and the full-on indicator light is on, the full-on indicator light loop of the tested low-voltage switch is proved to be normal; when the test button 9 for full-off is pressed, if the loop of the full-off indicator lamp is conducted and the full-off indicator lamp is on, the loop of the full-off indicator lamp is proved to be normal. Setting the tested low-voltage switch into an open limit mode and pressing an open limit test button 101, and if an open limit control loop of the tested low-voltage switch is conducted and enters the open limit mode, proving that the closed limit control loop of the tested low-voltage switch is normal; the tested low-voltage switch is set to an off limit mode and the off limit test button 102 is pressed, and if the off limit control circuit is conducted and enters the off limit mode, the off limit control circuit is proved to be normal.
As shown in fig. 1, the power control unit 5 further includes a switch element 51 for controlling the on/off of the first, second and third input power sources, and a power distribution circuit 52;
specifically, the positive electrode of the first connector 1 is connected to a first end of the switching element 51, second ends of the switching elements 51 are connected to the power distribution circuit 52, and the power distribution circuit 52 is connected to the second connector 2 and the third connector 3. Alternatively, the switch element 51 may be a rotary switch.
The power distribution circuit 52 comprises a first relay 521 for controlling the on-off of the first input power, and a second relay 522 for controlling the on-off of the second input power and the third input power;
specifically, the second end of the switch element 51 is connected to the first ends of the excitation coils of the first relay 521 and the second relay 522, the negative electrode of the first connector 1 is connected to the second ends of the excitation coils of the first relay 521 and the second relay 522, the positive electrode and the negative electrode of the first connector 1 are further connected to the first power output end of the test plug 4 through the first normally open loop and the second normally open loop of the first relay 521, the positive electrode and the negative electrode of the second connector 2 are connected to the second power output end of the test plug 4 through the first normally open loop and the second normally open loop of the second relay 522, and the positive electrode and the negative electrode of the third connector 3 are connected to the third power output end of the test plug 4 through the third normally open loop and the fourth normally open loop of the second relay 522.
The utility model also constructs CFI type low-voltage switch off-line test equipment which comprises a shell, wherein the CFI type low-voltage switch off-line test device in any embodiment is arranged in the shell.
In some implementations, the housing side wall is provided with a through hole for passing a connection line of the test plug 4; specifically, the test plug 4 is placed outside the housing, the test buttons are provided on the top of the housing and are raised, and the connectors are provided on the side wall of the housing.
The utility model has the following beneficial effects: the device is internally provided with a connector used for connecting each input power supply, after a test plug is inserted into a tested low-voltage switch, the power control unit is used for controlling the on-off of each input power supply, whether the function corresponding to the low-voltage switch is normal can be tested only by pressing a test button, the wiring operation is omitted, the electric shock risk is reduced, the human error risk is reduced, the reliability is improved, the operation is simple, the test time is saved, the construction period is effectively shortened, and the cost is reduced.
It is to be understood that the foregoing examples, while indicating the preferred embodiments of the utility model, are given by way of illustration and description, and are not to be construed as limiting the scope of the utility model; it should be noted that, for those skilled in the art, the above technical features can be freely combined, and several changes and modifications can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention; therefore, all equivalent changes and modifications made within the scope of the claims of the present invention should be covered by the claims of the present invention.
Claims (10)
1. The CFI type low-voltage switch offline test device is characterized by comprising a power supply control unit (5), a valve opening button (6) for testing whether a valve opening loop of a tested low-voltage switch is normal or not, a valve closing button (7) for testing whether a valve closing loop of the tested low-voltage switch is normal or not, a first connector (1) for connecting a first input power supply, a second connector (2) for connecting a second input power supply, a third connector (3) for connecting a third input power supply and a test plug (4);
the first connector (1), the second connector (2) and the third connector (3) are all connected with the power supply control unit (5), and the power supply control unit (5) is connected with the test plug (4); the valve opening button (6) is connected between the power supply control unit (5) and the valve opening instruction end of the test plug (4), and the valve closing button (7) is connected between the power supply control unit (5) and the valve closing instruction end of the test plug (4).
2. The CFI type low voltage switch offline test device according to claim 1, further comprising a full-on test button (8) and a full-off test button (9);
the full-switch lamp test power output end of the test plug (4) is connected simultaneously the first end of the full-switch lamp test button (8) and the first end of the full-switch lamp test button (9), the second end of the full-switch lamp test button (8) is connected with the full-switch lamp test instruction input end of the test plug (4), the second end of the full-switch lamp test button (9) is connected with the full-switch lamp test instruction input end of the test plug (4).
3. The CFI type low voltage switch offline test device according to claim 2, further comprising an on limit test button (101) and an off limit test button (102);
the opening limit test button (101) is connected between two ends of an opening limit test loop of the test plug (4), and the closing limit test button (102) is connected between two ends of a closing limit test loop of the test plug (4).
4. The CFI type low voltage switch offline test device according to claim 3, wherein said on limit test button (101) and said off limit test button (102) are both normally closed type switch buttons.
5. The off-line testing device for the CFI-type low-voltage switch of claim 1, wherein the power supply control unit (5) further comprises a switch element (51) for controlling the on-off of the first, second and third input power supplies, a power supply distribution circuit (52);
the positive electrode of the first connector (1) is connected with a first end of the switch element (51), second ends of the switch element (51) are respectively connected with the power distribution circuit (52), and the power distribution circuit (52) is simultaneously connected with the second connector (2) and the third connector (3).
6. The offline testing device of the CFI-type low-voltage switch of claim 5, wherein said power distribution circuit (52) comprises a first relay (521) for controlling the on-off of a first input power, a second relay (522) for controlling the on-off of a second input power and a third input power;
the second end of the switch element (51) is respectively connected with the first ends of the exciting coils of the first relay (521) and the second relay (522), and the negative electrode of the first connector (1) is respectively connected with the second ends of the exciting coils of the first relay (521) and the second relay (522);
the positive electrode and the negative electrode of the first connector (1) are also connected to a first power output end of the test plug (4) through a first normally open loop and a second normally open loop of the first relay (521) respectively;
the positive electrode and the negative electrode of the second connector (2) are respectively connected to a second power output end of the test plug (4) through a first normally open loop and a second normally open loop of the second relay (522);
and the positive electrode and the negative electrode of the third connector (3) are respectively connected to the third power output end of the test plug (4) through a third normally open loop and a fourth normally open loop of the second relay (522).
7. The offline testing device of the CFI-type low-voltage switch of claim 5, wherein said switch element (51) is a rotary switch.
8. The CFI low voltage switch offline testing device of claim 1, wherein each of said connectors is a banana type socket.
9. An off-line testing device for a CFI-type low-voltage switch, which comprises a shell, and is characterized in that the off-line testing device for the CFI-type low-voltage switch is arranged in the shell, and the off-line testing device for the CFI-type low-voltage switch is defined in any one of claims 1 to 8.
10. The offline testing equipment for CFI-type low-voltage switches according to claim 9, wherein said side wall of the case is provided with a through hole for passing through the connection line of the test plug (4);
the test plug (4) is arranged outside the shell, and each connector is arranged on the side wall of the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122381861.7U CN216485394U (en) | 2021-09-29 | 2021-09-29 | CFI type low-voltage switch off-line test device and equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122381861.7U CN216485394U (en) | 2021-09-29 | 2021-09-29 | CFI type low-voltage switch off-line test device and equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216485394U true CN216485394U (en) | 2022-05-10 |
Family
ID=81438833
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122381861.7U Active CN216485394U (en) | 2021-09-29 | 2021-09-29 | CFI type low-voltage switch off-line test device and equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216485394U (en) |
-
2021
- 2021-09-29 CN CN202122381861.7U patent/CN216485394U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109188263B (en) | High-voltage isolating switch AC/DC voltage regulation power supply test operation secondary circuit system | |
| CN216485394U (en) | CFI type low-voltage switch off-line test device and equipment | |
| US20120126634A1 (en) | Light-controlled power apparatus | |
| CN111220827A (en) | Automatic plugging and unplugging test method and control device | |
| CN218585226U (en) | Shelter power station switch board detection device | |
| CN204613737U (en) | Switch analogue means | |
| CN216387243U (en) | Ten-channel parallel safety gauge tester | |
| CN211453919U (en) | Polarity test current adding device and polarity test equipment of current transformer | |
| CN215768869U (en) | Automatic test circuit and test system for control board | |
| CN212872747U (en) | Transformer withstand voltage test series connection switches on box | |
| CN115453201A (en) | Device and method for detecting resistance of electric heating belt of heat preservation pipe | |
| CN212366371U (en) | Switching device and electronic detection system | |
| CN111443281B (en) | Electrical blocking device and circuit breaker or isolating switch | |
| KR102171386B1 (en) | Relay Wiring Auto Test Device | |
| CN213240427U (en) | Circuit breaker testing device | |
| CN107561394B (en) | System for testing low-voltage power supply of vehicle-mounted charger | |
| CN112053870B (en) | Time detection system, device and method for time relay of medium voltage distribution board | |
| CN218524833U (en) | Test circuit, device and system for switch of distribution board | |
| CN220357183U (en) | Verification device for low-voltage distribution board | |
| CN216248286U (en) | Intelligent wiring harness test platform | |
| CN215768904U (en) | Intermediate relay inspection device | |
| CN215601554U (en) | Power control panel applied to laser equipment | |
| CN220357237U (en) | Wiring detection device for secondary fusion voltage transformer during operation | |
| CN219590493U (en) | Current detection structure of conversion plug | |
| CN217404335U (en) | ATE testing arrangement and ATE test equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |