CN218450625U - Tunnel emergency lighting system - Google Patents
Tunnel emergency lighting system Download PDFInfo
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- CN218450625U CN218450625U CN202222796474.4U CN202222796474U CN218450625U CN 218450625 U CN218450625 U CN 218450625U CN 202222796474 U CN202222796474 U CN 202222796474U CN 218450625 U CN218450625 U CN 218450625U
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Abstract
The utility model discloses a tunnel emergency lighting system, which comprises a lighting lamp strip arranged on a tunnel and a lighting electric box for supplying power to the lighting lamp strip, wherein a circuit breaker, an emergency lighting device and a lighting detection device which are connected with the lighting lamp strip in series are arranged in the lighting electric box; the emergency lighting device comprises an emergency power supply connected in series with the light strip; when the lighting electric box is normally powered, the emergency lighting device is turned off, and the lighting detection device is in a first working state; when the power supply of the lighting electrical box is abnormal, the emergency lighting device is started to supply power to all lamps in the lighting lamp strip, and the lighting detection device is in a second working state. The utility model discloses can provide normal illumination for the lighting lamp area when external power supply is unusual to the unusual signal of suggestion external power supply improves the security, and its control principle is simple reliable, and it is convenient to maintain, and is with low costs.
Description
Technical Field
The utility model relates to a tunnel lighting field especially relates to a tunnel emergency lighting system.
Background
In recent years, urban rail transit construction, particularly subway construction, in China is in a rapid development stage, and urban underground tunnels are constructed by adopting a shield method. In the shield construction process, a 220v lamp strip and a fire-fighting emergency illuminating lamp are generally adopted for tunnel illumination, so that the LED lamp strip is simple and convenient to install, the installation cost is reduced, and the occupied area is small; not only plays a role of decoration, but also plays a role of brightening; the energy-saving lamp is energy-saving and environment-friendly, and can save more than 20% of energy compared with the traditional lamp.
When tripping or other reasons take place to lead to the lamp area to have a power failure when the illumination electronic box, fire control emergency lighting lamp starts and provides interim emergency lighting for the tunnel, and fire control emergency lighting lamp arranges one 50 meters usually, and its illuminating effect often can't reach tunnel illumination luminance requirement, and when constructor withdrawed under the emergency situation, probably takes place to step on, the guidance tape falls, falls risk such as tumble.
The above background disclosure is only used for assisting understanding of the inventive concept and technical solutions of the present invention, and it does not necessarily belong to the prior art of the present patent application, nor does it necessarily give technical teaching; the above background should not be used to assess the novelty and inventive aspects of the present application in the absence of express evidence that the above disclosure is published prior to the filing date of the present patent application.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a tunnel emergency lighting system can realize when the power supply of lighting electronic box is unusual, and automatic start emergency lighting device provides normal power supply for lighting lamp area.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a tunnel emergency lighting system, includes lighting electrical box and sets up the lighting lamp area on the tunnel, be provided with the input circuit who connects external power source in the lighting electrical box, input circuit is connected with lighting lamp area, still including control electrical apparatus and with lighting lamp area series connection's emergency power source, control electrical apparatus includes control coil and the first contact switch that corresponds, wherein, control coil sets up on the input circuit, first contact switch sets up emergency power source with on the circuit of lighting lamp area series connection, respond to input circuit breaks down, first contact switch converts the on-state into by the off-state.
Further, in view of any one or a combination of multiple technical solutions, the control apparatus further includes a second contact switch corresponding to the control coil, the second contact switch is disposed on the input circuit, and a switch state of the second contact switch is opposite to that of the first contact switch.
Further, in accordance with any one or a combination of multiple technical solutions described above, the emergency power supply further includes a prompting device, the prompting device is disposed on the input circuit and/or a circuit connected in series with the emergency power supply and the lighting strip, and the prompting device is configured to send a prompting signal indicating whether the input circuit fails;
the prompting device is an optical alarm device, an acoustic alarm device or an acousto-optic alarm device.
Further, bearing on the aforementioned any technical scheme or combination of multiple technical schemes, still set up the socket on the input circuit, the socket with the light area is parallelly connected, emergency power source is portable power source, its charge port with the socket is connected.
Further, according to any one or combination of the above technical solutions, the emergency power supply adopts a mobile power supply with a rated voltage of 220V, a rated power of 1.2kW, and a capacity of 1200 Wh.
Further, in accordance with any one or a combination of the above technical solutions, the control device is a contactor or a relay.
Further, in the combination of any technical scheme or a plurality of technical schemes mentioned earlier, be provided with the circuit breaker on the input circuit, the circuit breaker is connected with external power source.
Further, in accordance with any one or a combination of the above technical solutions, the contactor is a two-open two-close ac contactor, whose model is CDCH8s and rated current is 25A.
Further, in keeping with any one or a combination of the preceding technical solutions, the lighting strip includes a plurality of LED light bars connected in parallel.
Further, based on any one or combination of multiple technical schemes, the emergency power supply further comprises a power supply prompting device, and the power supply prompting device is used for displaying and/or alarming the remaining power supply duration of the emergency power supply in different periods.
The utility model provides a beneficial effect that technical scheme brought as follows:
a. the emergency lighting device capable of restoring normal lighting of the tunnel is arranged, so that the requirement on the lighting brightness of the tunnel is met, and the safety is improved;
b. the emergency lighting device adopts the alternating current contactor, so that when the power supply of the power supply electric box is abnormal, the tunnel emergency lighting system automatically restores the lighting of the lighting lamp strip, the control principle is simple and reliable, the maintenance is convenient, the mobile power supply is adopted as the emergency power supply to provide emergency lighting for the lighting lamp strip, the emergency lighting device can be repeatedly used, and the cost is lower;
c. the tunnel emergency lighting system is internally provided with a lighting detection device which detects a power supply used by the lighting lamp strip in real time and makes a corresponding prompt or alarm, so that a worker can find the abnormality of the tunnel emergency lighting system in time conveniently, and delay of the first-aid repair time is avoided;
d. be equipped with the long suggestion device of surplus power supply on emergency power supply, make things convenient for the staff to aassessment salvage time and change emergency power supply in time as required.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic circuit diagram of a tunnel emergency lighting system according to an exemplary embodiment of the present invention.
Wherein the reference numerals include: 1-lighting lamp strip, 21-circuit breaker, 22-socket, 31-emergency power supply, 32-control coil, 321-second contact switch, 322-first contact switch and 41-prompting device.
Detailed Description
In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or otherwise described herein. Moreover, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, apparatus, article, or device that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or device.
Referring to fig. 1, an exemplary embodiment of the present invention provides a tunnel emergency lighting system, including the lighting electronic box, set up lighting lamp area 1, control electrical apparatus on the tunnel and with lighting lamp area 1 series connection's emergency power supply 31, lighting lamp area 1 includes the parallelly connected LED lamp strip of a plurality of, be provided with the input circuit who connects external power source through circuit breaker 21 (Q1) in the lighting electronic box, input circuit is the live wire, N is the zero line including connecting a plurality of live wires and the zero line of external power source, L1, L2 and L3 shown in fig. 1, input circuit is connected with lighting lamp area 1, control electrical apparatus includes control coil 32 and corresponding first contact switch 322 and corresponding second contact switch 321. Wherein the control coil 32 is disposed on the input circuit, the first contact switch 322 is disposed on the circuit formed by the emergency power supply 31 and the light strip 1 in series, and in response to a fault occurring on the input circuit, the first contact switch 322 is switched from an open state to a closed state; the second contact switch 321 is disposed on the input circuit, and the switch state of the second contact switch 321 is opposite to that of the first contact switch 322. When the lighting electrical box supplies power normally, the control coil 32 is energized, the corresponding first contact switch 322 is in an off state, the second contact switch 321 is in a closed state, and an external power supply provides normal lighting for the lighting strip 1; work as input circuit breaks down, perhaps other reasons lead to external power source can't do during the normal power supply of lighting lamp area 1, control coil 32 cuts off the power supply, first contact switch 322 converts the on-state into by the off-state, second contact switch 321 converts the off-state into by the on-state, emergency power source 31 does lighting lamp area 1 provides temporary power, can guarantee the emergency lighting situation in tunnel, specifically includes lighting lamp area 1's luminance and bright lamp quantity, and normal lighting state is unanimous, ensures the tunnel and throws luminance under the emergency lighting condition, when avoiding constructor to withdraw, takes place to trample because of luminance is not enough, the guidance tape falls, falls risks such as tumble, improves the security.
In an embodiment of the present invention, the control device is a contactor or a relay, and in a specific application of this embodiment, the control device is a contactor, preferably, the contactor may adopt a two-open two-close ac contactor with a model of CDCH8s and a rated current of 25A. Referring to fig. 1, the control coil 32 is a coil of the contactor, the first contact switch 322 is a normally closed switch of the contactor, and the second contact switch 321 is a normally open switch of the contactor. When an external power supply normally supplies power to the lighting lamp strip 1, the normally open switch of the contactor is powered on and closed, the normally closed switch is disconnected, and the external power supply supplies power to the lighting lamp strip 1; when the input circuit breaks down or other reasons cause that external power supply can not be for during the normal power supply of lighting lamp area 1, the contactor loses power, and its normally open switch disconnection, normally closed switch are closed, and emergency power source 31 does this moment lighting lamp area 1 provides interim power supply, can guarantee that the emergency lighting situation in tunnel is unanimous with normal lighting state.
In an embodiment of the present invention, the tunnel emergency lighting system further includes a prompt device 41, the prompt device is configured to send a prompt signal if the input circuit fails, and the prompt device 41 is an optical alarm device or an audio alarm device or an audible and visual alarm device. The prompting device 41 may be an optical alarm device disposed on the input circuit, and the optical alarm device is connected in parallel with the lighting strip 1, and may specifically be a green indicator light. When an external power supply supplies power to the lighting lamp strip 1 normally, the indicator lamp is on to emit green light, which indicates that the tunnel lighting system is normal; when external power source can't be for during the normal power supply in illumination lamp area 1, the pilot lamp goes out, explains this moment is emergency power source 31 does illumination lamp area 1 supplies power, and then reminds the staff to need to look for the reason, resumes normal power supply.
In another embodiment of the present invention, in order to enhance the alarm function of the prompting device 41, the prompting device 41 may also be an audio alarm device or an audible and visual alarm device disposed on the input circuit, an independent power source is disposed inside the audio alarm device or the audible and visual alarm device, and when an external power source supplies power to the lighting strip 1 normally, the audio alarm device or the audible and visual alarm device does not send out an alarm signal to indicate that the external power source supplies power normally; when external power source can't do during normal power supply in lighting lamp area 1, sound alarm device or audible and visual alarm device start its inside independent power source in the twinkling of an eye of losing the electricity, send alarm signal, suggestion staff seeks the trouble reason, avoid not discovering because of the staff the pilot lamp goes out, and extravagant salvagees the time.
In another embodiment of the present invention, the prompting device 41 may be further disposed on a circuit formed by connecting the emergency power supply 31 and the lighting strip 1 in series, and when an external power supply supplies power to the lighting strip 1 normally, the prompting device 41 is in an open circuit state and does not send an alarm signal; when the emergency power supply 31 starts to supply power, the prompting device 41 is turned on to send out an alarm signal, so as to prompt the occurrence of a power supply fault of an external power supply. Can also be in simultaneously on the input circuit and emergency power source 31 with set up on the circuit of light area 1 series connection suggestion device 41, the utility model discloses do not the concrete mode of setting of suggestion device 41 is injectd, as long as suggestion device 41 can send suggestion or alarm signal to external power supply abnormity, and it sets up the mode and all falls into this application ground protection scope correspondingly.
In an embodiment of the present invention, referring to fig. 1, the emergency power supply 31 is a mobile power supply, and a charging port thereof is connected to the socket 22, and the socket 22 is connected to the lighting strip 1 in parallel and connected to an external power supply through the circuit breaker 21. Specifically, the socket 22 may be disposed inside the lighting electric box or may be disposed outside the lighting electric box. A switch (Q2) is arranged on a series circuit of the mobile power supply and the socket 22 and used for controlling the on-off of the emergency power supply 31 and an external power supply; the switch may be located in a position convenient for human operation. When the emergency power supply 31 is conducted with an external power supply, the external power supply charges the emergency power supply 31; when the emergency power supply 31 is disconnected from the external power supply, the external power supply stops charging the emergency power supply 31. A charging threshold value can be set for the emergency power supply 31, and when an external power supply normally supplies power to the lighting strip 1, if the electric quantity of the emergency power supply 31, that is, the mobile power supply, does not reach the preset threshold value, specifically, can be 100%, 95%, 90% of the capacity of the mobile power supply or any other reasonable electric quantity value, the switch is started to charge the emergency power supply 31; when the external power supply cannot normally supply power to the lighting strip 1, the emergency power supply 31 is started to replace the external power supply to supply power to the lighting strip 1, meanwhile, the external power supply is repaired to recover the power supply of the external power supply, and after the power supply of the external power supply is recovered, the external power supply is started as required to charge the emergency power supply 31; the method is repeated in this way, can be repeatedly used and has lower cost. The lighting power of the lighting lamp strip with the length of 100 meters is about 1kW, a mobile power supply with the rated voltage of 220V, the rated power of 1.2kW and the capacity of 1200Wh is used as the emergency power supply 31, and the tunnel lighting for 1 hour can be met under the condition of municipal power supply and outage.
The utility model discloses a further embodiment, emergency power supply 31 still includes the power supply suggestion device, the power supply suggestion device is used for the time sharing period to show and/or report to the police when emergency power supply 31's surplus power supply, make things convenient for the staff aassessment to salvage time and in time change emergency power supply 31 as required.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising a," "8230," "8230," or "comprising" does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.
The foregoing is illustrative of the present disclosure and it will be appreciated by those skilled in the art that changes may be made in this embodiment without departing from the principles of the disclosure, the scope of which is defined by the appended claims.
Claims (10)
1. The utility model provides a tunnel emergency lighting system, includes the lighting electrical box and sets up lighting lamp area (1) on the tunnel, be provided with the input circuit who connects external power source in the lighting electrical box, input circuit is connected its characterized in that with lighting lamp area (1): still including control electrical apparatus and with emergency power source (31) of light area (1) series connection, control electrical apparatus includes control coil (32) and first contact switch (322) that correspond, wherein, control coil (32) set up on the input circuit, first contact switch (322) set up emergency power source (31) with on the circuit of light area (1) series connection, respond to input circuit breaks down, first contact switch (322) are switched into the on-state by the off-state.
2. The tunnel emergency lighting system according to claim 1, characterized in that the control appliance further comprises a second contact switch (321) corresponding to the control coil (32), the second contact switch (321) being arranged on the input circuit, the second contact switch (321) having an opposite switching state to the first contact switch (322).
3. The tunnel emergency lighting system according to claim 1, further comprising a prompting device (41), the prompting device (41) being provided on the input circuit and/or on a circuit in series with the emergency power supply (31) and the light strip (1), the prompting device being configured to signal whether the input circuit is faulty;
the prompting device (41) is an optical alarming device, an acoustic alarming device or an acousto-optic alarming device.
4. The tunnel emergency lighting system according to claim 1, characterized in that a socket (22) is further provided on the input circuit, the socket (22) is connected in parallel with the light strip (1), the emergency power supply (31) is a mobile power supply, and a charging port thereof is connected with the socket (22).
5. The tunnel emergency lighting system of claim 4, characterized in that the emergency power supply (31) employs a mobile power supply with a rated voltage of 220V, a rated power of 1.2kW, and a capacity of 1200 Wh.
6. The tunnel emergency lighting system of claim 1, wherein the control appliance is a contactor or a relay.
7. The tunnel emergency lighting system according to claim 1, characterized in that a circuit breaker (21) is arranged on the input circuit, one end of the circuit breaker (21) is connected with the control coil (32), and the other end is connected with an external power supply.
8. The tunnel emergency lighting system of claim 6, wherein the contactor is a two-open two-closed ac contactor of the type CDCH8s with a rated current of 25A.
9. The tunnel emergency lighting system according to claim 1, characterized in that said lighting strip (1) comprises a number of parallel LED light bars.
10. The tunnel emergency lighting system of claim 2, characterized in that the emergency power supply (31) further comprises a power supply prompting device for displaying and/or alarming the remaining power supply duration of the emergency power supply (31) in time intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222796474.4U CN218450625U (en) | 2022-10-24 | 2022-10-24 | Tunnel emergency lighting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222796474.4U CN218450625U (en) | 2022-10-24 | 2022-10-24 | Tunnel emergency lighting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218450625U true CN218450625U (en) | 2023-02-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222796474.4U Active CN218450625U (en) | 2022-10-24 | 2022-10-24 | Tunnel emergency lighting system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218450625U (en) |
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2022
- 2022-10-24 CN CN202222796474.4U patent/CN218450625U/en active Active
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