CN211148777U - Monitoring device for weak current security engineering based on Internet of things - Google Patents
Monitoring device for weak current security engineering based on Internet of things Download PDFInfo
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- CN211148777U CN211148777U CN201921763600.8U CN201921763600U CN211148777U CN 211148777 U CN211148777 U CN 211148777U CN 201921763600 U CN201921763600 U CN 201921763600U CN 211148777 U CN211148777 U CN 211148777U
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Abstract
The utility model discloses a monitoring device for weak current security engineering based on Internet of things, which relates to the technical field of security engineering and aims to solve the technical problems that the efficiency is low and the labor consumption is very high due to the fact that the control boxes are large in number, and the monitoring device is characterized by comprising a control box, a data cable and a lightning arrester, wherein the lightning arrester is fixed at the top end of the control box, a line concentration end is arranged in the control box, and the data cable is coupled with the line concentration end; the control box is internally provided with a voltage detection device and a temperature sensor for detecting the temperature shock of the data cable on the outer side wall of the data cable, the voltage detection device is coupled with a control chip, the temperature sensor is coupled with the control chip, and the control chip is coupled with a wireless transmission module for transmitting the internal working state of the control box to the mobile terminal for displaying. The effects of monitoring the working state in the control box in real time and timely informing security personnel are achieved.
Description
Technical Field
The utility model relates to a security protection engineering technical field, more specifically say, it relates to a monitoring device for weak current security protection engineering based on thing networking.
Background
The security engineering is a process of realizing safety protection by adopting modern technological means, and the security products are equipment serving the security engineering. The security engineering comprises building intellectualization (building talkback and the like), video monitoring, access control and attendance checking, anti-theft alarm, parking lot management, intelligent home, machine room engineering and the like.
The internet of things is that any object or process needing monitoring, connection and interaction is collected in real time through various devices and technologies such as various information sensors, radio frequency identification technologies, global positioning systems, infrared sensors, laser scanners and the like, various required information such as sound, light, heat, electricity, mechanics, chemistry, biology, positions and the like is collected, ubiquitous connection of objects and objects, and ubiquitous connection of objects and people are realized through various possible network accesses, and intelligent sensing, identification and management of the objects and the processes are realized.
The prior Chinese patent with the publication number of CN209267173U discloses a lightning protection control box for security engineering, which comprises a ground plate, a conductive column, a control box, a data cable, a lightning protector, a signal antenna, a lightning rod, a lightning protector shell, a wiring terminal, an overvoltage protector, a wiring terminal, a waterproof nut, a waterproof piece, a mounting column and a mounting plate, wherein the ground plate is fixedly connected with the conductive column, the lightning rod is welded at the top end of the conductive column and is positioned above the signal antenna of the control box, the signal antenna is arranged above the control box and is connected with the output end of a P L C controller in the control box through a normally closed contact of an alternating current contactor, and the output end of the P L C controller in the control box is also connected with the lightning protector through the data cable.
Although the lightning arrester is installed in the existing security control box, the situation that components inside the control box are damaged due to high voltage caused by induction or short circuit in a data cable still exists in the using process, and therefore security personnel are required to conduct periodic inspection. However, because the number of control boxes is large, the inspection one by one is not only inefficient but also consumes a lot of manpower, so that improvement is needed.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a monitoring device for weak current security protection engineering based on thing networking, it has the advantage of monitoring control box inside operating condition in real time and in time informing the security protection personnel.
In order to achieve the above purpose, the utility model provides a following technical scheme:
a monitoring device for weak current security engineering based on the Internet of things comprises a control box, a data cable and a lightning arrester, wherein the lightning arrester is fixed at the top end of the control box, a line concentration end is arranged in the control box, and the data cable is coupled with the line concentration end; the control box is internally provided with a voltage detection device and a temperature sensor for detecting the temperature shock of the data cable on the outer side wall of the data cable, the voltage detection device is coupled with a control chip, the temperature sensor is coupled with the control chip, and the control chip is coupled with a wireless transmission module for transmitting the internal working state of the control box to display for the mobile terminal.
Through adopting above-mentioned technical scheme, when being struck by lightning or short circuit with the alternating current electric wire in the data cable breakage, the voltage of data cable inside can be higher than 36V to along with temperature rise. Therefore, the voltage inside the data cable and the temperature of the data cable are measured on the outer side wall of the data cable, when the voltage and the temperature suddenly increase, the control chip sends an alarm signal to the mobile terminal to remind security and protection personnel of timely overhauling, the security and protection personnel can timely learn and timely overhaul weak current equipment inside the control box, and stable operation of the security and protection equipment is guaranteed.
Further, a humidity sensor for detecting the humidity inside the control box is coupled to the control chip, and the humidity sensor is fixed to the bottom end of the control box.
Through adopting above-mentioned technical scheme, humidity transducer's setting is convenient for detect the humidity of control box inside and give control chip with data transmission. The control chip sends a signal to the mobile terminal when the humidity in the control box exceeds a preset value, and prompts security personnel to check whether the control box enters water or not.
Further, a storage battery for supplying power to the control chip is coupled to the control chip.
Through adopting above-mentioned technical scheme, the battery set up be convenient for carry out power supply alone to check out test set such as control chip to prevent to burn out control chip and wireless transmission module when the data cable overvoltage and lead to unable transmission alarm signal.
Further, a circuit board is fixed on one side of the control chip and one side of the storage battery, the circuit board is fixed on the side wall of the control box through bolts, and a heat conduction silica gel pad is arranged between the circuit board and the side wall of the control box.
Through adopting above-mentioned technical scheme, the setting of circuit board is convenient for fix control chip, battery and wireless transmission module on the circuit board to be convenient for fix the circuit board inside the control box. The heat conduction silica gel pad sets up and is convenient for with the heat conduction that electronic components produced in order to give off outwards on the lateral wall of control box.
Furthermore, a cooling fan used for cooling the outside of the control box is arranged inside the control box, an electromagnetic relay used for controlling the cooling fan to start and stop is coupled with the control chip, and the cooling fan is fixed on the side wall of the control box, which is located on one side of the circuit board.
By adopting the technical scheme, the control chip sends a signal to the electromagnetic relay when the data of the temperature sensor exceeds the preset value and the voltage detected by the voltage detection device does not exceed the preset value, so that the electromagnetic relay is electrified, the normally open contact is closed, the work of the cooling fan is controlled, and the heat inside the control box is radiated outwards.
Furthermore, the control box lateral wall is located radiator fan department and is provided with the louvre, the control box lateral wall is located louvre department and is provided with the ventilation pipe, the ventilation pipe is provided with rain-proof water conservancy diversion face.
Through adopting above-mentioned technical scheme, louvre and ventilation pipe set up be convenient for the inside heat of control box outwards discharge from louvre and ventilation pipe, thereby waterproof water conservancy diversion face be provided with help preventing that the rainwater from pouring into the ventilation pipe from the ventilation pipe and flow into inside the components and parts short circuit that causes of control box.
Furthermore, the outer side wall of one end, far away from the heat dissipation hole, of the ventilation pipe is provided with heat dissipation fins.
Through adopting above-mentioned technical scheme, the heat radiating area of increase ventilation pipe is convenient for in the setting of heat radiation fins to the heat of the ventilation pipe of being convenient for outwards gives off.
Furthermore, one side of the outer side wall of the control box, which is far away from the heat dissipation holes, is provided with an air inlet pipe, and one end of the air inlet pipe, which is far away from the control box, is provided with a dust blocking plate.
Through adopting above-mentioned technical scheme, the setting of air-supply line is convenient for balance the inside atmospheric pressure of control box, and the dirt board that hinders that the interval was crisscross to be set up can effectively reduce the dust and get into inside the control box, can also reduce the dust and get into piling up in the control box and influence the heat dissipation when balanced atmospheric pressure.
To sum up, the utility model discloses following beneficial effect has:
1. the technology that the voltage detection device, the temperature detection device, the control chip and the wireless transmission module are matched is adopted, so that the effects of detecting whether the data cable is overvoltage or not and prompting security personnel to overhaul in time when the data cable is overvoltage are generated;
2. the technology that the heat-conducting silica gel pad, the cooling fan and the electromagnetic relay are matched is adopted, so that the effect of conveniently radiating heat from the inside of the control box is achieved;
3. the technology that the ventilation pipe, the radiating fins, the air inlet pipe and the dust blocking plate are matched is adopted to balance the air pressure in the control box, so that the hot air in the control box can be blown out from the ventilation pipe under the action of the radiating fan, and the effects of promoting heat exchange and preventing dust from entering are achieved.
Drawings
Fig. 1 is a schematic overall structure diagram of a monitoring device for weak current security engineering based on the internet of things in the embodiment;
FIG. 2 is a schematic diagram of an embodiment of the present invention for showing the structure of the heat dissipation holes and the air inlet duct.
In the figure: 1. a control box; 11. data cable, 12, lightning arrester; 121. a ground line; 13. a line concentrator end; 2. a voltage detection device; 21. a control chip; 211. a wireless transmission module; 2111. an antenna; 212. a humidity sensor; 213. a storage battery; 2131. a circuit board; 2132. a heat-conducting silica gel pad; 214. an electromagnetic relay; 3. a temperature sensor; 4. a heat radiation fan; 41. heat dissipation holes; 411. a vent pipe; 4111. a rain-proof diversion surface; 4112. heat dissipation fins; 5. an air inlet pipe; 51. a dust blocking plate.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example (b):
the utility model provides a monitoring device for weak current security protection engineering based on thing networking, refer to fig. 1, it includes control box 1, data cable 11 and arrester 12, arrester 12 is fixed on 1 top of control box, and 1 bottom of control box is connected with earth connection 121, and 1 inside line concentration end 13 that is provided with of control box, line concentration end 13 are the router, and data cable 11 is coupled with line concentration end 13, and control box 1 realizes the sharing of data in the data cable 11 through the router.
Referring to fig. 1, a voltage detection device 2 and a temperature sensor 3 for detecting temperature shock of a data cable 11 are disposed inside a control box 1 and located on an outer side wall of the data cable 11, the voltage detection device 2 is a hall voltage sensor, the voltage detection device 2 is coupled with a control chip 21, the control chip 21 is an STM 8L type single chip microcomputer, the temperature sensor 3 is a non-contact temperature sensor 3, the temperature sensor 3 is coupled with the control chip 21, the control chip 21 is coupled with a wireless transmission module 211 for transmitting an internal working state of the control box 1 to a mobile terminal for displaying, the wireless transmission module 211 is an SX1276 type L ora module, an antenna 2111 of the wireless transmission module 211 is disposed outside the control box 1 and connected with the control chip 21 through a data line, the voltage detection device 2 and the temperature sensor 3 detect the data cable 11 and transmit a signal to the control chip 21, and the control chip 21 transmits an alarm signal to the wireless transmission module 211 when a voltage exceeds 36V and a temperature exceeds a preset value, so that an operator can know the alarm signal in time.
Referring to fig. 1, a humidity sensor 212 for detecting the humidity inside the control box 1 is coupled to the control chip 21, the humidity sensor 212 is an SHT3X/NC type digital temperature and humidity sensor 212, the humidity sensor 212 is fixed at the bottom end of the control box 1, the humidity sensor 212 transmits detected data to the control chip 21, and the control chip 21 sends humidity alarm information to the wireless transmission module 211 to alarm when the humidity inside the control box 1 is greater than a preset value.
Referring to fig. 1, a storage battery 213 for supplying power to the control chip 21 is coupled to the control chip 21, the storage battery 213 is a rechargeable lithium battery, and the control chip 21 detects a remaining battery capacity of the storage battery 213 and transmits a power alarm signal to the wireless transmission module 211 when the remaining battery capacity is lower than a preset value. The battery 213 is fixed to the control chip 21 side so that the control chip 21 can independently supply power.
Referring to fig. 1, a circuit board 2131 is fixed to one side of the control chip 21 and the battery 213, the circuit board 2131 is a PCB, and the circuit board 2131 is fixed to a side wall of the control box 1 by bolts. A heat-conducting silica gel pad 2132 is arranged between the circuit board 2131 and the side wall of the control box 1, the heat-conducting silica gel pad 2132 is sticky, and the heat-conducting silica gel pad 2132 is stuck between the circuit board 2131 and the side wall of the control box 1, so that heat on the circuit board 2131 is conducted to the side wall of the control box 1 to be radiated outwards.
Referring to fig. 1 and 2, a heat dissipation fan 4 for dissipating heat to the outside of the control box 1 is provided inside the control box 1, the heat dissipation fan 4 is an axial fan, and the wind direction is outward from the inside of the control box 1. An electromagnetic relay 214 for controlling the start and stop of the cooling fan 4 is coupled to the control chip 21, a normally open contact of the electromagnetic relay 214 is connected in series to a power line of the cooling fan 4, a coil of the electromagnetic relay 214 is connected to the control chip 21, the cooling fan 4 is fixed on a side wall of the control box 1 on the circuit board 2131, the control chip 21 sends a signal to the electromagnetic relay 214 when the temperature inside the control box 1 is higher than a preset value, and the electromagnetic relay 214 is closed to control the operation of the cooling fan 4.
Referring to fig. 2, a heat dissipation hole 41 is disposed on the outer side wall of the control box 1 at the position of the heat dissipation fan 4, and the heat dissipation hole 41 is a through hole penetrating through the side wall of the control box 1. The outer side wall of the control box 1 is provided with a ventilation pipe 411 at the position of the heat radiation hole 41, and the ventilation pipe 411 is fixed with the outer side wall of the control box 1 through welding; ventilation pipe 411 is provided with rain-proof water conservancy diversion face 4111, and rain-proof water conservancy diversion face 4111 makes ventilation pipe 411 keep away from the one end of louvre 41 towards the bottom of control box 1 to prevent that the rainwater from pouring into inside control box 1 from ventilation pipe 411.
Referring to fig. 2, the outer side wall of one end of the ventilation pipe 411, which is far away from the heat dissipation hole 41, is provided with a plurality of heat dissipation fins 4112, the heat dissipation fins 4112 are integrally formed on the outer side wall of the ventilation pipe 411, and the heat dissipation fins 4112 are uniformly distributed on the outer side of the ventilation pipe 411 to increase the heat dissipation area of the ventilation pipe 411.
Referring to fig. 2, an air inlet pipe 5 is arranged on one side of the outer side wall of the control box 1, which is far away from the heat dissipation holes 41, the air inlet pipe 5 is fixed on the outer side wall of the control box 1 by welding, and the air inlet pipe 5 is communicated with the inside of the control box 1 to balance the air pressure inside the control box 1. One end of the air inlet pipe 5, which is far away from the control box 1, is provided with dust blocking plates 51, and the dust blocking plates 51 are alternately arranged on the top surface and the bottom surface of the air inlet pipe 5 to reduce dust entering the control box 1.
The working principle is as follows:
during the operation of the electronic components inside the control box 1, the voltage detection device 2 and the temperature sensor 3 respectively detect the voltage and the temperature of the data cable 11 and transmit the data to the control chip 21. Control chip 21 sends alarm signal to wireless transmission module 211 when voltage and temperature exceed the default, gives security protection personnel's mobile terminal with alarm signal transmission through wireless transmission's mode, reminds security protection personnel to overhaul the inside components and parts of control box 1.
When the temperature inside the control box 1 exceeds the preset value and the voltage does not exceed the preset value, the control chip 21 sends a signal to the electromagnetic relay 214, the electromagnetic relay 214 is electrified to attract the normally open contact, and the cooling fan 4 is electrified to work to radiate the heat inside the control box 1 outwards.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.
Claims (8)
1. A monitoring device for weak current security engineering based on the Internet of things comprises a control box (1), a data cable (11) and a lightning arrester (12), wherein the lightning arrester (12) is fixed at the top end of the control box (1), a line concentration end (13) is arranged in the control box (1), and the data cable (11) is coupled with the line concentration end (13); the method is characterized in that: the temperature sensor (3) is arranged on the outer side wall of a data cable (11) and inside the control box (1), is provided with a voltage detection device (2) and is used for detecting the temperature shock of the data cable (11), the voltage detection device (2) is coupled with a control chip (21), the temperature sensor (3) is coupled with the control chip (21), and the control chip (21) is coupled with a wireless transmission module (211) which is used for transmitting the internal working state of the control box (1) to display for the mobile terminal.
2. The monitoring device for the weak current security engineering based on the internet of things of claim 1, wherein: the humidity sensor (212) used for detecting the humidity inside the control box (1) is coupled to the control chip (21), and the humidity sensor (212) is fixed to the bottom end of the control box (1).
3. The monitoring device for the weak current security engineering based on the internet of things of claim 1, wherein: a storage battery (213) for supplying power to the control chip (21) is coupled to the control chip (21).
4. The monitoring device for the weak current security engineering based on the Internet of things of claim 3, wherein: a circuit board (2131) is fixed on one side of the control chip (21) and one side of the storage battery (213), the circuit board (2131) is fixed on the side wall of the control box (1) through bolts, and a heat-conducting silica gel pad (2132) is arranged between the circuit board (2131) and the side wall of the control box (1).
5. The monitoring device for the weak current security engineering based on the internet of things of claim 1, wherein: the control box (1) is internally provided with a cooling fan (4) used for cooling the outside of the control box (1), the control chip (21) is coupled with an electromagnetic relay (214) used for controlling the cooling fan (4) to start and stop, and the cooling fan (4) is fixed on the side wall of one side of the control box (1) on the circuit board (2131).
6. The monitoring device for the weak current security engineering based on the Internet of things of claim 5, wherein: the control box is characterized in that the outer side wall of the control box (1) is provided with heat dissipation holes (41) at the position of the heat dissipation fan (4), the outer side wall of the control box (1) is provided with ventilation pipes (411) at the position of the heat dissipation holes (41), and the ventilation pipes (411) are provided with rain-proof flow guide surfaces (4111).
7. The monitoring device for the weak current security engineering based on the Internet of things of claim 6, wherein: and the outer side wall of one end of the ventilation pipe (411) far away from the heat radiation hole (41) is provided with a heat radiation fin (4112).
8. The monitoring device for the weak current security engineering based on the Internet of things of claim 6, wherein: one side of the outer side wall of the control box (1) far away from the heat dissipation holes (41) is provided with an air inlet pipe (5), and one end of the air inlet pipe (5) far away from the control box (1) is provided with a dust blocking plate (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921763600.8U CN211148777U (en) | 2019-10-19 | 2019-10-19 | Monitoring device for weak current security engineering based on Internet of things |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921763600.8U CN211148777U (en) | 2019-10-19 | 2019-10-19 | Monitoring device for weak current security engineering based on Internet of things |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211148777U true CN211148777U (en) | 2020-07-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921763600.8U Active CN211148777U (en) | 2019-10-19 | 2019-10-19 | Monitoring device for weak current security engineering based on Internet of things |
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| Country | Link |
|---|---|
| CN (1) | CN211148777U (en) |
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- 2019-10-19 CN CN201921763600.8U patent/CN211148777U/en active Active
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