CN213782868U - Protection operation box suitable for electrified railway - Google Patents
Protection operation box suitable for electrified railway Download PDFInfo
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- CN213782868U CN213782868U CN202022255509.4U CN202022255509U CN213782868U CN 213782868 U CN213782868 U CN 213782868U CN 202022255509 U CN202022255509 U CN 202022255509U CN 213782868 U CN213782868 U CN 213782868U
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Abstract
The utility model discloses a protection operation box suitable for an electrified railway, which comprises a plug-in and an indication panel; the plug-in comprises a plurality of operation plug-ins, a plurality of non-electric quantity plug-ins and a signal plug-in; each operation plug-in unit is provided with a group of operation loops, and each group of operation loops are matched with an operation power state display lamp and an operation action state display lamp; each non-electric quantity plug-in provides 4 paths of non-electric quantity tripping signals and 1 path of non-electric quantity alarm signals; the 4 paths of non-electric quantity tripping signal input and the 1 path of non-electric quantity warning signal input are matched with a non-electric quantity action state signal display lamp; the signal plug-in is matched with the non-electric quantity plug-in for use; the operation power state display lamp, the operation action state display lamp and the non-electric quantity action state signal display lamp are positioned on the indication panel. This scheme is accomplished main non-electric quantity signal acquisition of becoming and is tripped the function, and instructs panel display lamp and reset the operating key, can show the action state of circuit breaker comprehensively, convenient operation reduces personnel's cost.
Description
Technical Field
The utility model relates to an electric railway relay protection field, concretely relates to protection operation box suitable for electric railway.
Background
The normal operation of a railway power system is ensured by the cooperation of a protection operation box of the electrified railway and devices such as a main transformer protection device, a spare power automatic switching device, a main transformer measurement and control device and the like.
The protection operation box is used as a part of a circuit breaker control loop, control operation of the circuit breaker is achieved, meanwhile, the protection operation box achieves collection and tripping functions of main transformer non-electricity quantity signals, and in addition, when an operator needs to automatically control tripping or closing operation of a certain line, direct operation can be conducted on the protection operation box.
At present, the protection operation device applied to the electrified railway has a complex structure, the states of certain important loops cannot be simultaneously and visually displayed, and the design principle of the protection operation process is complex.
SUMMERY OF THE UTILITY MODEL
Based on the technical content, the utility model aims to solve the technical problem that a protection operation box suitable for electric railway is provided, through plug-in components such as operation plug-in components, signal plug-in components, non-electric quantity plug-in components mutually support as circuit breaker control circuit's partly, accomplish functions such as non-electric quantity signal acquisition and protection tripping operation in the electric railway, through the signal indication lamp on the instruction panel, realize the state visual display in each important return circuit, facilitate for the operation personnel.
The utility model discloses a following technical scheme realizes:
this scheme provides a protection operation panel suitable for electronic railway, includes: an insert and an indicator panel; the plug-in includes: a plurality of operation plug-ins, a plurality of non-electric plug-ins and a signal plug-in;
each operation plug-in unit is provided with a group of operation loops, and each group of operation loops are matched with an operation power state display lamp and an operation action state display lamp;
each non-electric quantity plug-in provides 4 paths of non-electric quantity tripping signals and 1 path of non-electric quantity alarm signals; the 4 paths of non-electric quantity tripping signal input and the 1 path of non-electric quantity warning signal input are matched with a non-electric quantity action state signal display lamp;
the signal plug-in is matched with the non-electric quantity plug-in for use;
the operation power state display lamp, the operation action state display lamp and the non-electric quantity action state signal display lamp are positioned on the indication panel.
The further optimization scheme is that the plug-in also comprises a power supply plug-in, and the power supply plug-in is connected with the direct current 110V or 220V voltage and provides a group of power loss warning nodes.
The further optimized proposal is that the indication panel also comprises a device power state display lamp; when the power supply of the device is powered on, the display lamp of the power supply state of the device is on; when the power supply of the device is power-off, the power supply state display lamp of the device is turned off.
The signal plug-in provides a signal open-in loop and an eight signal open-out loop;
one signal open-loop circuit comprises: circuit breaker trip relay coil TZJ1A, circuit breaker trip relay coil TZJ2A, circuit breaker trip relay coil TZJ3A, circuit breaker trip relay coil TZJ4A, diode D9, diode D10, diode D11, diode D12, resistor R3, resistor R4, and capacitor C11;
branch 1: diode D9 is connected in parallel on both sides of relay coil TZJ1A, branch 2: diode D10 is connected in parallel across relay coil TZJ2A, branch 3: diode D11 is connected in parallel across relay coil TZJ3A, branch 4: the diode D12 is connected in parallel to two sides of the relay coil TZJ 4A; after the branch 1, the branch 2, the branch 3, the branch 4, the resistor R3 and the resistor R4 are connected in series at the signal opening/inputting port, the resistor R4 is connected to the public negative terminal;
the eight-path signal open circuit comprises the following open circuits:
an open circuit including normally open contacts TZJ1B corresponding to breaker trip relay coil TZJ 1A;
an open circuit including normally open contacts TZJ1C corresponding to breaker trip relay coil TZJ 1A;
an open circuit including normally open contacts TZJ2B corresponding to breaker trip relay coil TZJ 2A;
an open circuit including normally open contacts TZJ2C corresponding to breaker trip relay coil TZJ 2A;
an open circuit including normally open contacts TZJ3B corresponding to breaker trip relay coil TZJ 3C;
an open circuit including normally open contacts TZJ3C corresponding to breaker trip relay coil TZJ 3A;
an open circuit including normally open contacts TZJ4B corresponding to breaker trip relay coil TZJ 4A;
an open circuit including normally open contacts TZJ4C corresponding to breaker trip relay coil TZJ 4A.
Further, the operation action state display lamp comprises: the circuit breaker trip display lamp, the circuit breaker jump position display lamp and the circuit breaker close position display lamp.
The further optimization scheme is that the indication panel further comprises a non-electric quantity action state signal display lamp resetting button and an operation action state display lamp resetting button, and each breaker tripping display lamp corresponds to one operation action state display lamp resetting button.
In a further optimized scheme, the operation plug-in unit comprises: a main loop and a response loop;
the main circuit includes: the system comprises a control power supply, a closing loop, a jumping monitoring loop, a closing monitoring loop, a tripping loop, a power supply monitoring loop, a signal resetting loop, a tripping signal resetting loop, a locking operation loop and a manual tripping loop;
the response loop includes: a closed subsequent loop A, a closed subsequent loop B, a jump loop, a manual trip loop, a closed jump loop A and a closed jump loop B;
the manual tripping circuit, the locking operation circuit and the signal resetting circuit are all connected to the negative electrode of the control power supply, and the tripping signal resetting circuit, the power supply monitoring circuit and the closing circuit are all connected with the positive electrode and the negative electrode of the control power supply.
The further optimization scheme is that the non-electric quantity plug-in unit comprises: the method comprises the following steps that a non-electric quantity opening loop, a re-acting relay tripping opening branch circuit, a snap-action holding loop, a snap-action holding selection loop, a snap-action loop and a holding loop are arranged;
the tripping opening branch of the re-acting relay is connected in the non-electric quantity opening-in loop, the non-electric quantity opening-in loop controls the on-off of the instantaneous keeping main loop through a control element, and the instantaneous keeping main loop controls the on-off of the instantaneous keeping selection loop, the instantaneous keeping loop and the keeping loop through the control element.
Compared with the prior art, the utility model, following advantage and beneficial effect have:
the utility model provides a pair of protection operation box suitable for electric railway mutually supports as a part of circuit breaker control circuit through plug-in components such as operation plug-in components, signal plug-in components, non-electric quantity plug-in components, accomplishes main non-electric quantity signal acquisition and tripping operation function that becomes, and this operation protection device's panel has signal display lamp and signal lamp reset operation key, and the comprehensive demonstration of action state of circuit breaker is on operating means, and convenient operation reduces personnel's cost.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention.
In the drawings:
FIG. 1 is a schematic view of an indicating panel for protecting an operation box;
FIG. 2 is a schematic view of a card panel protecting the operator's compartment;
FIG. 3 is a schematic diagram of a signal card;
FIG. 4 is a schematic diagram of an operational insert;
fig. 5 is a schematic diagram of a non-electrical plug-in suitable for a main transformer protection device.
In the drawings:
1-plug-in panel, 2-operation plug-in, 3-signal plug-in, 4-non-electric plug-in 1, 5-non-electric plug-in 2, 6-power plug-in, 7-signal lamp area, 8-indication panel, 9-reset button area.
Detailed Description
To make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the following examples and drawings, and the exemplary embodiments and descriptions thereof of the present invention are only used for explaining the present invention, and are not intended as limitations of the present invention.
Examples
As shown in fig. 1 and 2, a protection operating box for an electrified railway includes: an insert and an indicator panel; the insert includes: 4 groups of operation plug-ins, 2 groups of non-electric quantity plug-ins and 1 group of signal plug-ins;
each operation plug-in unit is provided with a group of operation loops, and each group of operation loops are matched with an operation power state display lamp and an operation action state display lamp;
each non-electric quantity plug-in provides 4 paths of non-electric quantity tripping signals and 1 path of non-electric quantity alarm signals; the 4 paths of non-electric quantity tripping signal input and the 1 path of non-electric quantity warning signal input are matched with a non-electric quantity action state signal display lamp;
the number of the non-electric quantity action state signal display lamps is 10, and the display lamps are on when the corresponding non-electric quantity elements act; and when the non-electric element does not act or the action is reset correspondingly, the display lamp is turned off.
The signal plug-in is matched with the non-electric quantity plug-in for use;
the operation power state display lamp, the operation action state display lamp and the non-electric quantity action state signal display lamp are positioned in a signal lamp area on the indication panel.
The plug-in units also comprise power plug-in units which are connected with the direct current 110V or 220V voltage and provide a group of power loss alarm nodes.
The indication panel also comprises a device power state display lamp; when the power supply of the device is powered on, the display lamp of the power supply state of the device is on; when the power supply of the device is power-off, the power supply state display lamp of the device is turned off.
The operation action state display lamp includes: the circuit breaker trip display lamp, the circuit breaker jump position display lamp and the circuit breaker close position display lamp.
When the corresponding circuit breaker trips, a circuit breaker tripping display lamp is turned on; when the corresponding breaker has no trip or the trip is reset, the trip display lamp of the breaker is turned off; when the corresponding circuit breaker is in the jumping position, the circuit breaker jumping position display lamp is on; when the corresponding circuit breaker is not in a jumping position, the circuit breaker jumping position display lamp is turned off; when the corresponding circuit breaker is in the closed position, the circuit breaker jump position display lamp is on; and when the corresponding circuit breaker is not closed, the circuit breaker jump position display lamp is turned off.
The indication panel also comprises a non-electric quantity action state signal display lamp resetting button and an operation action state display lamp resetting button, and each breaker tripping display lamp corresponds to one operation action state display lamp resetting button; the reset button 1 is a reset non-electric quantity action lamp, the reset button 2 is a reset breaker 2 trip signal lamp, the reset button 3 is a reset breaker 3 trip signal lamp reset button 4 is a reset breaker 4 trip signal lamp reset button 5, the reset breaker 5 trip signal lamp reset button 6 is a reset breaker 6 trip signal lamp.
As shown in fig. 3, the signal plug-in provides one signal open-loop and eight signal open-loops;
one signal open-loop circuit comprises: circuit breaker trip relay coil TZJ1A, circuit breaker trip relay coil TZJ2A, circuit breaker trip relay coil TZJ3A, circuit breaker trip relay coil TZJ4A, diode D9, diode D10, diode D11, diode D12, resistor R3, resistor R4, and capacitor C11;
branch 1: diode D9 is connected in parallel on both sides of relay coil TZJ1A, branch 2: diode D10 is connected in parallel across relay coil TZJ2A, branch 3: diode D11 is connected in parallel across relay coil TZJ3A, branch 4: the diode D12 is connected in parallel to two sides of the relay coil TZJ 4A; after the branch 1, the branch 2, the branch 3, the branch 4, the resistor R3 and the resistor R4 are connected in series at the signal opening/inputting port, the resistor R4 is connected to the public negative terminal;
the controlled loop opened by eight paths of signals comprises the following open loops:
an open circuit including normally open contacts TZJ1B corresponding to breaker trip relay coil TZJ 1A;
an open circuit including normally open contacts TZJ1C corresponding to breaker trip relay coil TZJ 1A;
an open circuit including normally open contacts TZJ2B corresponding to breaker trip relay coil TZJ 2A;
an open circuit including normally open contacts TZJ2C corresponding to breaker trip relay coil TZJ 2A;
an open circuit including normally open contacts TZJ3B corresponding to breaker trip relay coil TZJ 3C;
an open circuit including normally open contacts TZJ3C corresponding to breaker trip relay coil TZJ 3A;
an open circuit including normally open contacts TZJ4B corresponding to breaker trip relay coil TZJ 4A;
an open circuit including normally open contacts TZJ4C corresponding to breaker trip relay coil TZJ 4A.
As shown in fig. 4, the operation plug-in includes: a main loop and a response loop;
the main circuit includes: the system comprises a control power supply, a closing loop, a jumping monitoring loop, a closing monitoring loop, a tripping loop, a power supply monitoring loop, a signal resetting loop, a tripping signal resetting loop, a locking operation loop and a manual tripping loop;
the response loop includes: a closed subsequent loop A, a closed subsequent loop B, a jump loop, a manual trip loop, a closed jump loop A and a closed jump loop B;
the manual tripping circuit, the locking operation circuit and the signal resetting circuit are all connected to the negative electrode of the control power supply, and the tripping signal resetting circuit, the power supply monitoring circuit and the closing circuit are all connected with the positive electrode and the negative electrode of the control power supply.
As shown in fig. 5, the non-electrical plug-in unit applied to the main transformer protection device includes: the method comprises the following steps that a non-electric quantity opening loop, a re-acting relay tripping opening branch circuit, a snap-action holding loop, a snap-action holding selection loop, a snap-action loop and a holding loop are arranged;
the tripping opening branch of the re-acting relay is connected to the non-electric quantity opening-in loop, the non-electric quantity opening-in loop controls the on-off of the instantaneous keeping main loop through a control element, and the instantaneous keeping main loop controls the instantaneous keeping selection loop, the instantaneous keeping loop and the keeping loop through the control element.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (8)
1. A protective operating box adapted for use with an electrified railway, comprising: an insert and an indicator panel; the plug-in includes: a plurality of operation plug-ins, a plurality of non-electric plug-ins and a signal plug-in;
each operation plug-in unit is provided with a group of operation loops, and each group of operation loops are matched with an operation power state display lamp and an operation action state display lamp;
each non-electric quantity plug-in provides 4 paths of non-electric quantity tripping signals and 1 path of non-electric quantity alarm signals; the 4 paths of non-electric quantity tripping signal input and the 1 path of non-electric quantity warning signal input are matched with a non-electric quantity action state signal display lamp;
the signal plug-in is matched with the non-electric quantity plug-in;
the operation power state display lamp, the operation action state display lamp and the non-electric quantity action state signal display lamp are positioned on the indication panel.
2. The protective operating box for the electrified railway as claimed in claim 1, wherein the plug-in further comprises a power plug-in, the power plug-in is connected to direct current 110V or 220V voltage, and provides a set of power loss warning nodes.
3. The protective operating box for the electric railway according to claim 1, wherein the indication panel further comprises a device power status display lamp; when the power supply of the device is powered on, the display lamp of the power supply state of the device is on; when the power supply of the device is power-off, the power supply state display lamp of the device is turned off.
4. The protective operating box for the electric railway according to claim 1, wherein the signal plug-in provides one signal open circuit and eight signal open circuits;
one signal open-loop circuit comprises: circuit breaker trip relay coil TZJ1A, circuit breaker trip relay coil TZJ2A, circuit breaker trip relay coil TZJ3A, circuit breaker trip relay coil TZJ4A, diode D9, diode D10, diode D11, diode D12, resistor R3, resistor R4, and capacitor C11;
branch 1: diode D9 is connected in parallel on both sides of relay coil TZJ1A, branch 2: diode D10 is connected in parallel across relay coil TZJ2A, branch 3: diode D11 is connected in parallel across relay coil TZJ3A, branch 4: the diode D12 is connected in parallel to two sides of the relay coil TZJ 4A; after the branch 1, the branch 2, the branch 3, the branch 4, the resistor R3 and the resistor R4 are connected in series at the signal opening/inputting port, the resistor R4 is connected to the public negative terminal;
the eight-path signal open circuit comprises the following open circuits:
an open circuit including normally open contacts TZJ1B corresponding to breaker trip relay coil TZJ 1A;
an open circuit including normally open contacts TZJ1C corresponding to breaker trip relay coil TZJ 1A;
an open circuit including normally open contacts TZJ2B corresponding to breaker trip relay coil TZJ 2A;
an open circuit including normally open contacts TZJ2C corresponding to breaker trip relay coil TZJ 2A;
an open circuit including normally open contacts TZJ3B corresponding to breaker trip relay coil TZJ 3C;
an open circuit including normally open contacts TZJ3C corresponding to breaker trip relay coil TZJ 3A;
an open circuit including normally open contacts TZJ4B corresponding to breaker trip relay coil TZJ 4A;
an open circuit including normally open contacts TZJ4C corresponding to breaker trip relay coil TZJ 4A.
5. The protective operating box for the electrified railway according to claim 1, wherein the operating action state display lamp comprises: the circuit breaker trip display lamp, the circuit breaker jump position display lamp and the circuit breaker close position display lamp.
6. The protection operating box for the electrified railway as claimed in claim 5, wherein the indication panel further comprises a non-electric-quantity action state signal display lamp reset button and an operation action state display lamp reset button, and each breaker trip display lamp corresponds to one operation action state display lamp reset button.
7. A protective operating box according to claim 1, characterized in that said operating insert comprises: a main loop and a response loop;
the main circuit includes: the system comprises a control power supply, a closing loop, a jumping monitoring loop, a closing monitoring loop, a tripping loop, a power supply monitoring loop, a signal resetting loop, a tripping signal resetting loop, a locking operation loop and a manual tripping loop;
the response loop includes: a closed subsequent loop A, a closed subsequent loop B, a jump loop, a manual trip loop, a closed jump loop A and a closed jump loop B;
the manual tripping circuit, the locking operation circuit and the signal resetting circuit are all connected to the negative electrode of the control power supply, and the tripping signal resetting circuit, the power supply monitoring circuit and the closing circuit are all connected with the positive electrode and the negative electrode of the control power supply.
8. A protective operating box for an electrified railway as claimed in claim 1, wherein the non-electrical plug-in comprises: the method comprises the following steps that a non-electric quantity opening loop, a re-acting relay tripping opening branch circuit, a snap-action maintaining main loop, a snap-action maintaining selection loop, a snap-action loop and a maintaining loop are arranged;
the tripping opening branch of the re-acting relay is connected in the non-electric quantity opening-in loop, the non-electric quantity opening-in loop controls the on-off of the instantaneous keeping main loop through a control element, and the instantaneous keeping main loop controls the on-off of the instantaneous keeping selection loop, the instantaneous keeping loop and the keeping loop through the control element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022255509.4U CN213782868U (en) | 2020-10-12 | 2020-10-12 | Protection operation box suitable for electrified railway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022255509.4U CN213782868U (en) | 2020-10-12 | 2020-10-12 | Protection operation box suitable for electrified railway |
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| Publication Number | Publication Date |
|---|---|
| CN213782868U true CN213782868U (en) | 2021-07-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022255509.4U Active CN213782868U (en) | 2020-10-12 | 2020-10-12 | Protection operation box suitable for electrified railway |
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| CN (1) | CN213782868U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024055365A1 (en) * | 2022-09-13 | 2024-03-21 | 云南电网有限责任公司楚雄供电局 | Three-phase inconsistent protector with extremely high reliability |
-
2020
- 2020-10-12 CN CN202022255509.4U patent/CN213782868U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024055365A1 (en) * | 2022-09-13 | 2024-03-21 | 云南电网有限责任公司楚雄供电局 | Three-phase inconsistent protector with extremely high reliability |
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