Equipment abnormity alarm device used in tunnel distribution box

Abstract

An equipment abnormity alarm device used in a tunnel distribution box comprises a detection mechanism, an alarm control mechanism and an audible and visual alarm, and the detection mechanism is located in the distribution box and used for detecting the temperature, smoke and specific odor molecules in the distribution box; the detection mechanism is electrically connected with the alarm control mechanism and can transmit a signal to the alarm control mechanism; according to the utility model, the change conditions of parameters such as temperature, smoke, smell and the like in the tunnel distribution box are monitored in real time through the detection mechanism, and the change conditions are fed back to a worker through the audible and visual alarm; therefore, early abnormal conditions in the distribution box can be found, safe operation of power equipment is ensured, and smooth traffic in a tunnel is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to a tunnel safety technical field especially a device for tunnel distribution box inside equipment abnormality alarm device. BACKGROUND

[0002] Tunnels are mostly located in mountainous areas, and the geographical environment of mountainous areas is complex, and the climate condition is changeable, accordingly, in order to ensure the smooth and safety of traffic in the tunnel, a plurality of power equipment needs to be installed in the tunnel, and the power equipment is prone to problems due to the special geographical location, further causing safety hazards.

[0003] The power equipment includes lighting equipment, monitoring equipment and distribution box for controlling the lighting equipment and the monitoring equipment and supplying power to them. At present, the daily maintenance of the above-mentioned power equipment includes the following two kinds, one is that artificial inspects the tunnel once a month; the other is that vehicles or robots pass through the tunnel once a day. Artificial inspection and vehicle or robot inspection can easily find problems of the lighting equipment and the monitoring equipment, but it is not easy to find problems of the distribution box installed in the tunnel chamber.

[0004] The reason is that poor contact, oxidation and other reasons of the wire terminal in the distribution box can cause the resistance of the circuit connection to increase and further heat and smoke, on the one hand, the sealing of the distribution box causes the smoke to not float out of the chamber, on the other hand, even if the distribution box smokes, the current of the circuit does not increase, and the corresponding air switch does not trip, so the situation in the distribution box cannot be judged, and then personnel in the inspection vehicle cannot timely find the problem.

[0005] In order to solve the above problems, an abnormality alarm device for equipment in a tunnel distribution box is needed, which can monitor the abnormality in the distribution box and ensure the smooth and safety of traffic in the tunnel. UTILITY MODEL CONTENTS

[0006] The utility model is to overcome the defects in the prior art, provide an abnormality alarm device for equipment in a tunnel distribution box, which can monitor the abnormality in the distribution box and ensure the smooth and safety of traffic in the tunnel.

[0007] In order to achieve the above purpose, the utility model adopts the technical scheme: an abnormality alarm device for equipment in a tunnel distribution box, including detection mechanism, alarm control mechanism and audible and visual alarm, the detection mechanism is located in the inside of the distribution box, and is used for detecting the temperature, smoke and specific odor molecules in the inside of the distribution box, the detection mechanism is electrically connected with the alarm control mechanism, and can transmit signals to the alarm control mechanism, the alarm control mechanism is electrically connected with the audible and visual alarm, and the alarm control mechanism controls the opening of the audible and visual alarm through the signals of the detection mechanism.

[0008] As a preferred scheme of the utility model, the distribution box is arranged inside the tunnel control room, the alarm control mechanism is arranged outside the tunnel control room, and the alarm control mechanism provides power supply for the detection mechanism.

[0009] As a preferred scheme of the utility model, the alarm control mechanism and the detection mechanism are at least 1m apart.

[0010] As a preferred scheme of the utility model, the sound and light alarm is mounted on the tunnel side wall near one side of the tunnel control room, and the sound and light alarm is powered by the alarm control mechanism.

[0011] As a preferred scheme of the utility model, the detection mechanism comprises a smoke sensor, an odor sensor and a temperature sensor, and the smoke sensor, the odor sensor and the temperature sensor are all mounted on the inner wall of the top of the distribution box.

[0012] As a preferred scheme of the utility model, the odor sensor comprises a lower shell, a main plate and an upper shell, the main plate is located between the lower shell and the upper shell, and a plurality of air holes are formed on the side of the lower shell away from the lower shell.

[0013] As a preferred scheme of the utility model, a plurality of mounting columns are circumferentially arranged in the upper shell, a plurality of positioning columns adapted to the mounting columns are circumferentially arranged in the lower shell, a threaded hole is arranged in the positioning column, and a counterbore adapted to the threaded hole is arranged on the mounting column.

[0014] As a preferred scheme of the utility model, the main plate comprises a mounting hole capable of being sleeved on the positioning column and a gas detection probe, and the diameter of the mounting hole is smaller than the diameter of the mounting column.

[0015] As a preferred scheme of the utility model, the sound and light alarm is arranged at least 2 along the length direction of the tunnel.

[0016] As a preferred scheme of the utility model, the interval between adjacent sound and light alarms is at least 10m.

[0017] The utility model has the advantages that:

[0018] 1. The utility model can monitor the change of temperature, smoke, odor and other parameters in the tunnel distribution box in real time through the detection mechanism, and feedback to the staff through the sound and light alarm, so that the early abnormal condition in the distribution box can be found, the power equipment can be safely operated, and the traffic in the tunnel is smooth.

[0019] 2. The sound and light alarm has two alarm modes of sound and light, and a plurality of sound and light alarms are arranged at intervals, so that the alarm effect is enhanced.

[0020] 3. The specific structure inside the odor sensor is exhibited, the stability of the mainboard can be ensured, and the detection accuracy is further improved. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 is a structural schematic diagram of the utility model;

[0022] Figure 2 is a position relation diagram among the detection mechanism, the alarm control mechanism and the sound-light alarm of the utility model;

[0023] Figure 3 is a structural schematic diagram of the detection mechanism of the utility model;

[0024] Figure 4 is a sectional view of the detection mechanism of the utility model;

[0025] Figure 5 is a circuit connection diagram of the utility model;

[0026] Mark in the drawing: 1, detection mechanism, 2, alarm control mechanism, 3, sound-light alarm, 11, smoke sensor, 12, odor sensor, 13, temperature sensor, 121, lower shell, 122, mainboard, 123, upper shell, 1211, positioning column, 1212, air hole, 1221, mounting hole, 1222, gas detection probe, 1231, mounting column. DETAILED DESCRIPTION

[0027] The utility model embodiment will be described in detail below in combination with the drawings.

[0028] As Figures 1-5 Indicated, a kind of for tunnel distribution box inside equipment abnormality alarm device, including detection mechanism 1, alarm control mechanism 2 and sound-light alarm 3, the detection mechanism 1 is located inside distribution box, for detecting the temperature, smoke and specific odor molecule inside distribution box;The detection mechanism 1 is electrically connected with alarm control mechanism 2, and signal transmission can be given to alarm control mechanism 2;Alarm control mechanism 2 is electrically connected with sound-light alarm 3, and alarm control mechanism 2 controls the opening of sound-light alarm 3 by the signal of detection mechanism 1.

[0029] Specifically, detection mechanism 1 can monitor the temperature, smoke, specific odor molecule and so on in tunnel distribution box in real time, signal is generated when parameter reaches set value and timely signal transmission is given to alarm control mechanism 2, and the transmission signal of detection mechanism 1 is received by alarm control mechanism 2, and the opening of sound-light alarm 3 is controlled, so that vehicle, robot inspection or camera can perceive early abnormal situation inside distribution box, avoid the occurrence of power accident, guarantee the safe operation of power equipment at the same time, also guarantee the smooth of traffic in tunnel.

[0030] Wherein, alarm control mechanism 2 receives the temperature, smoke or specific smell of distribution box in one kind of signal, can control the opening of sound and light alarm 3, ensure the accuracy of detection, help to quickly find the problem in tunnel distribution box.In addition, alarm control mechanism 2 has reset key, even if the alarm signal of sound and light alarm 3 disappears, the staff needs to reset alarm control mechanism 2 on site, and the staff reset can check alarm control mechanism 2 again, can ensure the function of alarm control mechanism 2 is perfect.

[0031] Further, detection mechanism 1 is installed in the distribution box, which is more sensitive to the change of the environment in the distribution box and can monitor the temperature, smoke and specific smell in the distribution box in real time.

[0032] The utility model can monitor the change of temperature, smoke, odor and other parameters in the tunnel distribution box in real time through detection mechanism 1, and feedback to the staff through sound and light alarm 3, so that the early abnormal condition in the distribution box can be found, the power equipment can be ensured to run safely, and the traffic in the tunnel is smooth.

[0033] The distribution box is arranged in the tunnel control room, the alarm control mechanism 2 is arranged outside the tunnel control room, and the alarm control mechanism 2 provides power supply for the detection mechanism 1.

[0034] The sound and light alarm 3 is installed on the tunnel side wall near one side of the tunnel control room, and the sound and light alarm 3 is powered by the alarm control mechanism 2. The sound and light alarm 3 is arranged at least two along the length direction of the tunnel, and the interval between adjacent sound and light alarms 3 is at least 10 m. The appropriate distance between adjacent sound and light alarms 3 facilitates the sound and light alarm 3 to quickly transmit alarm signals in multiple directions.

[0035] Wherein, the distance between alarm control mechanism 2 and detection mechanism 1 is at least 1 m.

[0036] Specifically, the alarm control mechanism 2 is installed outside the tunnel control room and keeps a distance from the detection mechanism 1, and correspondingly, the alarm control mechanism 2 also keeps a distance from the distribution box, so as to avoid the influence of the problems such as fire of the distribution box on the implementation of the function of the alarm control mechanism 2.

[0037] The sound and light alarm 3 is installed on the tunnel side wall near one side of the tunnel control room. On the one hand, it has two alarm modes of sound and light, which strengthens the reminding effect, and can be found in time through monitoring camera or vehicle detection, and plays a role in early abnormal alarm of equipment in the tunnel distribution box. On the other hand, since the sound and light alarm 3 has multiple and is installed on the tunnel side wall, the failure of alarm can be avoided after one sound and light alarm 3 is damaged.

[0038] The sound and light alarm 3 has two kinds of alarm modes of sound and light, and multiple alarm modes are arranged at intervals, and the alarm effect is enhanced.

[0039] The detection mechanism 1 comprises a smoke sensor 11, an odor sensor 12 and a temperature sensor 13, the smoke sensor 11, the odor sensor 12 and the temperature sensor 13 are all installed on the inner wall of the top of the distribution box, so that the smoke sensor 11, the odor sensor 12 and the temperature sensor 13 do not interfere with the electrical elements in the distribution box, and installation is facilitated.

[0040] Specifically, the temperature sensor 13 monitors the temperature change in the distribution box, when the temperature in the distribution box increases by more than 10 degrees in 1 minute or the temperature in the distribution box exceeds 65 degrees, the temperature sensor 13 outputs a signal and transmits it to the PLC industrial computer in the alarm control mechanism 2, so that the alarm control mechanism 2 controls the sound and light alarm 3 to open.

[0041] The smoke sensor 11 detects that the smoke concentration in the distribution box exceeds the set value, the smoke sensor 11 outputs a signal and transmits it to the PLC industrial computer in the alarm control device 2, so that the alarm control mechanism 2 controls the sound and light alarm 3 to open.

[0042] The odor sensor 12 mainboard is provided with various gas detection probes 1222, the gas detection probe 1222 can detect sulfide gas, when the sulfide gas concentration exceeds the set value, the odor sensor 1 outputs a signal and transmits it to the PLC industrial computer in the alarm control mechanism 2, so that the alarm control mechanism 2 controls the sound and light alarm 3 to open.

[0043] Of course, the odor sensor 12 mainboard can be provided with different gas detection probes 1222 according to needs, to realize monitoring of different odors.

[0044] The temperature sensor 13, the smoke sensor 11 and the odor sensor 12 detect any one or more abnormalities, and can all control the sound and light alarm 3 to open through the alarm control mechanism 2.

[0045] The odor sensor 12 comprises a lower shell 121, a mainboard 122 and an upper shell 123, the mainboard 122 is located between the lower shell 121 and the upper shell 123, a plurality of air holes 1212 are formed on the side of the lower shell 121 away from the upper shell 123, and the air holes 1212 are used for passing various specific gas molecules.

[0046] A plurality of mounting columns 1231 are circumferentially arranged in the upper shell 123, a plurality of positioning columns 1211 adapted to the mounting columns 1231 are circumferentially arranged in the lower shell 121, a threaded hole is arranged in the positioning column 1211, and a counterbore adapted to the threaded hole is arranged on the mounting column 1231.

[0047] The main plate 122 comprises a mounting hole 1221 and a gas detection probe 1222, which can be sleeved on the positioning column 1211, and the diameter size of the mounting hole 1221 is smaller than the diameter size of the mounting column 1231.

[0048] Specifically, the main plate 122 is sleeved on the positioning column 1211 of the lower shell 121 through the mounting hole 1221, so that the positioning of the main plate 122 on the lower shell 121 is realized, the mounting column 1231 of the upper shell 123 is aligned with the positioning column 1211 and is pressed downward, so that the bottom surface of the mounting column 1231 abuts against the side of the main plate 122 facing the mounting column 1231, the bolts pass through the counterbores and the threaded holes, so that the fixation between the lower shell 121 and the upper shell 123 and the fixation of the main plate 122 in the odor sensor 12 are realized.

[0049] The lower shell 121 is also provided with a notch, so that the temperature sensor 13 is connected to the main plate 122, and power supply for the temperature sensor 13 is facilitated.

[0050] The utility model sets up smoke sensor 11, odor sensor 12 and temperature sensor 13 and a variety of sensors, can more accurate control the condition in distribution box.

[0051] Meanwhile, the specific structure of the odor sensor 12 is displayed, the stability of the main plate 122 is ensured, and the detection accuracy is further improved.

[0052] The above description of the disclosed embodiments enables a person skilled in the art to implement or use the utility model. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the utility model; therefore, the utility model will not be limited to these embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

[0053] Although the terms: 1, detection mechanism, 2, alarm control mechanism, 3, audible and visual alarm, 11, smoke sensor, 12, odor sensor, 13, temperature sensor, 121, lower shell, 122, main plate, 123, upper shell, 1211, positioning column, 1212, air hole, 1221, mounting hole, 1222, gas detection probe, 1231, mounting column and the like are used more in the drawings in this paper, but the possibility of using other terms is not excluded; using these terms is only for more convenient description and explanation of the essence of the utility model; it is contrary to the spirit of the utility model to interpret them as any kind of additional limitation.

Claims

1. An alarm device for abnormal equipment in a tunnel power distribution box, characterized in that: The utility model relates to a kind of power distribution box temperature, smoke and specific smell detection device, including detection mechanism (1), alarm control mechanism (2) and sound-light alarm (3), the detection mechanism (1) is located inside power distribution box, for detecting the temperature, smoke and specific smell molecule inside power distribution box;The detection mechanism (1) is electrically connected with alarm control mechanism (2), and signal can be transmitted to alarm control mechanism (2);Alarm control mechanism (2) is electrically connected with sound-light alarm (3), and the opening of sound-light alarm (3) is controlled by alarm control mechanism (2) by the signal of detection mechanism (1);The detection mechanism (1) includes smoke sensor (11), smell sensor (12) and temperature sensor (13), and the smoke sensor (11), smell sensor (12) and temperature sensor (13) are all installed in the inner wall of the top of power distribution box;The smell sensor (12) includes lower shell (121), mainboard (122) and upper shell (123), and the mainboard (122) is located between lower shell (121) and upper shell (123), and a plurality of air holes (1212) are formed on the side of lower shell (121) away from lower shell (121);A plurality of mounting posts (1231) are arranged in the periphery of the inside of upper shell (123), and a plurality of positioning posts (1211) adapted to mounting posts (1231) are arranged in the periphery of the inside of lower shell (121), and a threaded hole is arranged in the inside of positioning post (1211), and a counterbore adapted to the threaded hole is arranged on mounting post (1231);The mainboard (122) includes mounting hole (1221) that can be sleeved into positioning post (1211) and gas detection probe (1222), and the diameter size of mounting hole (1221) is less than the diameter size of mounting post (1231);Alarm control mechanism (2) can control the opening of sound-light alarm (3) as long as receiving the signal of temperature, smoke or specific smell anomaly in power distribution box, and alarm control mechanism (2) has reset key, so even if the alarm signal of sound-light alarm (3) disappears, alarm control mechanism (2) also needs to be reset.

2. The device abnormality alarm device for a tunnel power distribution box according to claim 1, characterized in that: The power distribution box is arranged inside tunnel control room, the alarm control mechanism (2) is arranged outside tunnel control room, and the alarm control mechanism (2) provides power supply for detection mechanism (1).

3. The device abnormality alarm device for a tunnel power distribution box according to claim 2, characterized in that: The distance between the alarm control mechanism (2) and the detection mechanism (1) is at least 1 m.

4. The device abnormality alarm device for a tunnel power distribution box according to claim 2, characterized in that: The sound-light alarm (3) is installed on the side wall of tunnel near tunnel control room, and the sound-light alarm (3) is powered by alarm control mechanism (2).

5. The device abnormality alarm device for a tunnel power distribution box according to claim 1, characterized in that: The sound-light alarm (3) is arranged at least 2 along the length direction of tunnel.

6. The device abnormality alarm device for a tunnel power distribution box according to claim 5, characterized in that: The interval between adjacent sound-light alarms (3) is at least 10 m.

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