CN220796514U - Electric five-prevention locking system for electric container - Google Patents
Electric five-prevention locking system for electric container Download PDFInfo
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- CN220796514U CN220796514U CN202322529573.0U CN202322529573U CN220796514U CN 220796514 U CN220796514 U CN 220796514U CN 202322529573 U CN202322529573 U CN 202322529573U CN 220796514 U CN220796514 U CN 220796514U
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Abstract
The utility model discloses an electric five-prevention lock for an electric container, which comprises a power-on control console, a key exchange device and an electric container outer lock; the electric five-prevention locking zero breakthrough on the outer door of the electric container is realized, the mechanical device and the electric control mechanical device are simple and reliable in structure, the locking state and the power-off state are clear and intuitive, the possibility that operators enter the container body under the electrified condition of equipment is avoided, and the personal safety of related personnel is ensured.
Description
Technical Field
The utility model relates to the field of five-prevention locking, in particular to an electric five-prevention locking system for an electric container.
Background
Five protection for electrical equipment generally refers to five error-preventing safety measures adopted for high-voltage electrical equipment to ensure personal safety, and the five error-preventing safety measures are respectively as follows: the circuit breaker is prevented from being opened or closed by mistake, the disconnecting switch is prevented from being opened or closed by load, the grounding wire (grounding switch) is prevented from being hung or closed by electrification, the circuit breaker is prevented from being opened or closed by the grounding wire (grounding switch) and the electrified compartment is prevented from being accessed by mistake.
At present, aiming at five-prevention measures for preventing mistakes from entering an electrified compartment, five-prevention locks are added to electric equipment to realize the five-prevention locking, no precedent of five-prevention locking is added on a heavy container door in all projects in China, and all the outdoor electromagnetic locks with various numbers sold in the market do not have the electric five-prevention function, so that the development of an electric five-prevention locking system which can be applied to an electric equipment container and can ensure the electricity utilization safety of a plurality of areas is a problem to be solved urgently.
Disclosure of utility model
The utility model aims to provide an electric five-prevention locking system for an electric container, which can solve the problem of electric safety of a plurality of areas of the electric equipment container.
In order to achieve the above purpose, the utility model provides an electric five-prevention locking system for an electric container, which comprises a power-on control console, a key exchange device and an electric container outer lock;
The power-on and power-off control console comprises a circuit breaker and an electric control mechanical lock, and a main key is embedded in the electric control mechanical lock;
the key exchange device comprises a lock seat, wherein the lock seat is provided with a main lock hole used for being embedded with the main key and an auxiliary lock hole embedded with the auxiliary key;
In the power-off state, the electric control mechanical lock receives an authorization signal sent by the circuit breaker and releases the locking of the main key; the main key is matched with the main lock hole to unlock the auxiliary key, and the auxiliary key is released to unlock the outer lock of the electric container.
Optionally, the electronic control mechanical lock comprises an authorization signal receiver and a locking device;
In the power-off state, the authorization signal receiver receives the authorization signal, and the locking device releases the lock of the master key.
Optionally, the electronic control mechanical lock further comprises a signal lamp;
And after the authorization signal receiver receives the authorization signal, the signal lamp is turned on.
Optionally, the locking device comprises an electromagnet locking device and a first locking position embedded in the main key;
The electromagnet locking device is excited to unlock the first locking position, and the main key can be rotated and pulled out from the first locking position after unlocking.
Optionally, the locking device further comprises an unlocking button, the unlocking button is electrified after the authorization signal receiver receives the authorization signal, and the electromagnet locking device is electrified to be excited after the unlocking button is pressed down.
Optionally, the unlocking button and the signal lamp are connected with the same power supply, and the signal lamp is turned on and the unlocking button is electrified.
Optionally, the electric container external lock is arranged on the electric container door.
Optionally, the outer lock of electric container includes interlocking chain type lock, interlocking chain type lock one end is the second locking position, and the other end is the chain, interlocking chain type lock's one end is connected electric container door, the other end is connected another door or container box.
Optionally, the auxiliary key is used for matching the second locking position, unlocking the interlocking chain type door lock, and the auxiliary key is embedded into the second locking position and cannot be pulled out in the door opening state of the electric container.
The utility model discloses an electric five-prevention locking system for an electric container, which realizes breakthrough of electric five-prevention locking zero of an outer door of an electric container at home and abroad; the mechanical device and the electric control mechanical device are simple and reliable in structure, the locking state is clear and visual, the possibility that operators enter the container body under the electrified condition of equipment is avoided, and the personal safety of related personnel is ensured.
Drawings
FIG. 1 is a schematic view of an electromechanical lock according to an embodiment of the present utility model;
FIG. 2 is a schematic diagram of a key exchange device according to an embodiment of the present utility model;
FIG. 3 is a schematic view of an interlocking chain type door lock according to an embodiment of the present utility model;
FIG. 4 is a logic diagram of a power-off door opening process of the electric five-prevention locking system in an embodiment of the utility model;
fig. 5 is a logic diagram of a door closing and power transmission process of the electric five-prevention locking system according to an embodiment of the utility model.
In the figure, a 1-electric control mechanical lock; 11-signal lamp; 12-first locking position; 2-key exchange means; 21-a lock base; 22-a main lock hole; 23-auxiliary lock holes; 3-interlocking chain door locks; 31-second locking position; 32-a chain; 4-master key; 5-secondary key.
Detailed Description
An electrical five-way locking system for an electrical container of the present utility model will be described in more detail below with reference to the drawings, in which preferred embodiments of the utility model are shown, it being understood that one skilled in the art could modify the utility model described herein while still achieving the advantageous effects of the utility model. Accordingly, the following description is to be construed as broadly known to those skilled in the art and not as limiting the utility model.
The utility model is more particularly described by way of example in the following paragraphs with reference to the drawings. The advantages and features of the present utility model will become more apparent from the following description. It should be noted that the drawings are in a very simplified form and are all to a non-precise scale, merely for convenience and clarity in aiding in the description of embodiments of the utility model.
Electric equipment such as a power capacitor, a reactor, a current transformer, an electric control cabinet and the like with the voltage level of 33kV is integrated in a 20-ruler (length, width and height of 6058x2438x2896 mm) container, a net door is required to be arranged in the electric control cabinet, and an electric five-prevention locking device is additionally arranged to protect the personal safety of operators, and in addition, the outer door of the container also needs to implement electric five-prevention locking; the common container door is generally made of 2-3mm steel plates and is in a side-by-side door type, wherein the weight of a single door is generally 150-200kg, a heavy container door is generally locked by a long handle lock rod, and the long handle lock rod of a container commonly used in the market cannot be directly additionally provided with an electric lock due to the structural reason.
Example 1
In this embodiment, an electric five-prevention locking system for an electric container is provided, please refer to fig. 1-3, including a power-on control console, a key exchange device 2 and an electric container external lock;
The power-on and power-off control console comprises a circuit breaker and an electric control mechanical lock 1, and a main key 4 is embedded in the electric control mechanical lock 1; the key exchanging device 2 comprises a lock base 21, the lock base 21 being provided with a primary lock hole 22 for embedding the primary key 4 and a secondary lock hole 23 for embedding the secondary key 5.
In the power-off state, the electric control mechanical lock 1 receives an authorization signal sent by the circuit breaker and releases the locking of the main key 4; the primary key 4 mates with the primary lock aperture 22 to unlock the secondary key 5, releasing the secondary key 55 for unlocking the electrical container external lock.
The key exchange device 2 releases the auxiliary key 5 in the auxiliary lock hole 23 when the main key 4 is embedded into the key exchange device 2 according to the key exchange rule; when all the secondary keys 5 are embedded in the key exchange device 2, the primary key 4 can be released.
Further, the electromechanical lock 1 comprises an authorization signal receiver (not shown in the figure) and a locking device, wherein the authorization signal receiver is arranged inside the electromechanical lock 1; in a power-off state, the authorization signal receiver receives the authorization signal.
Specifically, the electric control mechanical lock 1 further comprises a signal lamp 11; when the authorization signal receiver receives the authorization signal, the signal lamp 11 is turned on, and the signal lamp 11 is used for displaying the receiving state of the authorization signal, so that an operator can accurately identify the power-off state.
The signal lamp 11 is turned on to indicate that the authorization signal is accurately received, i.e. is in a power-off state, and at this time, the locking device is manually operated to unlock the master key 4 and release the master key 4.
The locking device comprises an electromagnet locking device and a first locking position 12 embedded in the main key 4; the electromagnet locking device is used for magnetizing and locking the main key 4 embedded in the first locking position 12, the electromagnet locking device is used for exciting and unlocking the first locking position 12, and a person can rotate and pull out the main key 4 from the first locking position 12.
Further, the locking device further comprises an unlocking button, the unlocking button is electrified after the authorization signal receiver receives the authorization signal, and the electromagnet locking device is electrified to be excited after the unlocking button is pressed down; in this embodiment, the unlocking button and the signal lamp 11 are connected to the same power source, and the unlocking button is energized while the signal lamp 11 is turned on.
In this embodiment, the unlocking button and the signal lamp 11 are integrated, and a light emitting diode is disposed inside the unlocking button to integrate the function of the signal lamp.
Specifically, in the initial state of the electric control mechanical lock 1, the main key 4 is embedded into the electric control mechanical lock 1 and cannot be pulled out, the electric control mechanical lock 1 receives an authorization signal to supply power to the lockset, the signal lamp 11 is on, the unlocking button is pressed, the electromagnet is excited, the main key 4 can be rotated and pulled out, and meanwhile, a dry contact signal is transmitted to the upper computer.
During the reverse operation, the main key 4 is inserted and rotated, and meanwhile, a dry contact signal is transmitted to the upper computer to allow the isolating knife (or the breaker) to be switched on, and the main key 4 is embedded on the electric control mechanical lock 1 and returns to the initial position.
Further, the electric container outer lock is arranged on a door of the electric container outer box.
The outer lock of the electric container comprises an interlocking chain type door lock 3, one end of the interlocking chain type door lock 3 is provided with a second locking position 31, the other end of the interlocking chain type door lock is provided with a locking chain 32, one end of the interlocking chain type door lock is connected with the electric container door, and the other end of the interlocking chain type door lock is connected with another door or container body.
In the power-off state, the auxiliary key 5 released from the key exchange device 2 is matched with the second locking position 31 and embedded into the second locking position 31, the lock chain 32 is released to unlock the electric container door, at the moment, in the door opening state, the auxiliary key 5 is still embedded into the second locking position 31 and can not be pulled out, the safety problem of personnel in the door opening state is further guaranteed, the situation that the main key 4 is replaced after the auxiliary key 5 is pulled out in the door opening state is avoided, and power transmission is started is avoided.
In addition, the on-off control console is configured to enable the circuit breaker to be switched on after the main key 4 is inserted into the electric control mechanical lock 1, so that the condition that the circuit breaker is switched on and electrified under the condition that the outer box door is opened is avoided.
Example two
In order to ensure that the door lock of the electric container can not be opened when 33kV high-voltage equipment is powered on, and the outer door can be opened when the high-voltage equipment is powered off, so as to protect the personal safety of operators, please refer to fig. 4-5, the embodiment provides a specific implementation process based on the electric five-prevention locking system in the first embodiment:
And (3) a power-off door opening process:
s11, 33kV high-voltage equipment is in an electric state, and a breaker is disconnected, a bus switch blade is disconnected, and a grounding switch blade is closed and powered off;
s12, the electric control mechanical lock 1 receives an authorization signal after power failure, a signal lamp 11 is turned on, a person presses an unlocking button, excitation of an electromagnet locking device releases locking of the first locking position 12, and after the unlocking, the person rotates from the electric control mechanical lock 1 and pulls out the main key 4;
S13, inserting the main key 4 into the key exchange device 2, and taking out the auxiliary key 5 from the key exchange device 2;
S14, a person inserts the auxiliary key 5 into an electric container external lock of the electric container door to open the container door, and the person can safely enter the container to work.
Closing door and transmitting power:
s21, closing the door of the electric container, locking the outer lock of the electric container, and pulling out the auxiliary key 5 by a person to insert the key exchange device 2;
S22, after all the auxiliary keys 5 are inserted into the key exchange device 2, the main keys 4 can be exchanged and pulled out;
s23, a person inserts the main key 4 into the electric control mechanical lock 1, the grounding switch blade is opened, the bus switch blade is closed, the breaker is closed, and the 33kV high-voltage equipment is electrified.
In step S14, the auxiliary key 5 is not inserted into the outer lock of the electric container in the door-open state of the container, and as described in step S22, the key exchange device 2 is configured to exchange the main key 4 only after all the auxiliary keys 5 are inserted into the key exchange device 2, thereby ensuring that the power transmission is prevented from being started in the door-open state.
In summary, the embodiment discloses an electric five-prevention locking system for an electric container, which comprises a power-on control console, a key exchange device and an electric container outer lock; the mechanical device and the electric control mechanical device are simple and reliable in structure, the locking state and the power-off state are clear and visual, the possibility that operators enter the container body under the equipment electrification condition is avoided, and the personal safety of related personnel is guaranteed.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (9)
1. An electric five-prevention locking system for an electric container is characterized by comprising a power-on control console, a key exchange device and an electric container outer lock;
The power-on and power-off control console comprises a circuit breaker and an electric control mechanical lock, and a main key is embedded in the electric control mechanical lock;
the key exchange device comprises a lock seat, wherein the lock seat is provided with a main lock hole used for being embedded with the main key and an auxiliary lock hole embedded with the auxiliary key;
In the power-off state, the electric control mechanical lock receives an authorization signal sent by the circuit breaker and releases the locking of the main key; the main key is matched with the main lock hole to unlock the auxiliary key, and the auxiliary key is released to unlock the outer lock of the electric container.
2. An electrical five-way lock system for an electrical container as in claim 1 wherein said electromechanical lock comprises an authorization signal receiver and a locking device;
In the power-off state, the authorization signal receiver receives the authorization signal, and the locking device releases the lock of the master key.
3. The electrical five-way locking system for an electrical container of claim 2, wherein the electrically controlled mechanical lock further comprises a signal light;
And after the authorization signal receiver receives the authorization signal, the signal lamp is turned on.
4. An electrical five-way lock system for an electrical container as in claim 3 wherein said locking means comprises an electromagnet locking means and a first capture embedded in said primary key;
The electromagnet locking device is excited to unlock the first locking position, and the main key can be rotated and pulled out from the first locking position after unlocking.
5. The electrical five-way lock system for an electrical shipping container of claim 4, wherein the locking device further comprises an unlock button, wherein the unlock button is energized after the authorization signal receiver receives the authorization signal, and wherein the electromagnet locking device is energized after the unlock button is depressed.
6. The electrical five-way lock system for an electrical container of claim 5, wherein the unlock button and the signal light are connected to the same power source, the signal light being on while the unlock button is energized.
7. The electrical five-way lock system for an electrical container of claim 1, wherein the electrical container outer lock is disposed on an electrical container door.
8. The electrical five-way locking system for an electrical container of claim 7, wherein the electrical container outer lock comprises an interlocking chain type door lock, one end of the interlocking chain type door lock is a second locking position, the other end is a chain, one end of the interlocking chain type door lock is connected with the electrical container door, and the other end is connected with another door or container body.
9. The electrical five-way lock system for an electrical container of claim 8, wherein the secondary key is adapted to mate with the second locking tab to unlock the interlocking chain type door lock, wherein the secondary key is inserted into the second locking tab and cannot be pulled out in a door-open state of the electrical container.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322529573.0U CN220796514U (en) | 2023-09-15 | 2023-09-15 | Electric five-prevention locking system for electric container |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322529573.0U CN220796514U (en) | 2023-09-15 | 2023-09-15 | Electric five-prevention locking system for electric container |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220796514U true CN220796514U (en) | 2024-04-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322529573.0U Active CN220796514U (en) | 2023-09-15 | 2023-09-15 | Electric five-prevention locking system for electric container |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220796514U (en) |
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2023
- 2023-09-15 CN CN202322529573.0U patent/CN220796514U/en active Active
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