CN206740204U - Water level monitoring system based on computer technology - Google Patents

Abstract

The utility model discloses a water level monitoring system based on computer technology, which comprises a host computer, a display and a laser ranging sensor arranged above the water surface to be monitored; The signal output end of the ranging sensor is connected to the signal input end of the controller installed in the chassis; the top plate is provided with a first heat dissipation port, and the bottom plate is provided with a second heat dissipation port; the first heat dissipation port is provided with There is a heat dissipation fan for pumping the air in the box to the outside; the first heat dissipation port is located inside the heat dissipation fan and an electric dust collector is installed, and the second heat dissipation port is provided with a dust cover; the utility model effectively prevents dust from entering the chassis , to prevent damage to electronic devices due to dust accumulation.

Description

Water Level Monitoring System Based on Computer Technology

technical field

The utility model relates to the application field of control computers, in particular to a water level monitoring system based on computer technology.

Background technique

Changes in the water levels of rivers, reservoirs, lakes, etc. are directly related to the safety of water conservancy projects. If there is no early warning of possible floods and other disasters, it will bring serious catastrophic consequences. At present, water level monitoring has developed from a single on-site monitoring to remote real-time monitoring, realizing all-weather, real-time automatic monitoring of water levels. The water level monitoring system generally includes a laser ranging sensor installed above the water surface to be monitored through a support body. The signal output end of the laser ranging sensor is connected to the measurement and control terminal wirelessly, and the measurement and control terminal is wirelessly connected to the control computer of the monitoring center. . In order to realize real-time monitoring of a wide area, a large number of laser ranging sensors are generally installed in the area, and the laser ranging sensors send real-time water level data to the control computer. The control computer generally includes a host computer and a display, the host is provided with a receiver and a controller (CPU) for data processing, and the display is used to display real-time data. Since the host needs to perform large data calculations and is turned on for a long time, the electronic devices in the host (including motherboards, controllers, memory, hard drives, graphics cards, sound cards, etc.) It is installed in the chassis of the main engine by means of the main engine, and the heat dissipation of the main engine is insufficient, which not only affects the running speed of the control computer, but also damages the electronic components due to overheating; the current main engine chassis is generally equipped with a heat dissipation port, but dust is easy to escape from the heat dissipation port. Into the case, the accumulation of dust may cause damage to electronic devices, so there is actually a certain contradiction between heat dissipation and dust prevention.

Utility model content

In view of this, the purpose of this utility model is to provide a water level monitoring system based on computer technology, which can effectively prevent dust from entering the chassis, prevent electronic devices from being damaged due to dust accumulation, and ensure the normal operation of the water level monitoring system.

The water level monitoring system based on computer technology of the utility model comprises a host, a display and a laser ranging sensor located above the water surface to be monitored; the chassis of the host is a cuboid structure and is provided with a top plate and a bottom plate; the laser ranging sensor The signal output terminal is connected with the signal input terminal of the controller installed in the chassis; the top plate is provided with a first heat dissipation port, and the bottom plate is provided with a second heat dissipation port; the first heat dissipation port is provided with a The air in the box is pumped to the outside by the cooling fan; the first cooling opening is equipped with an electric dust collection component inside the cooling fan, and the second cooling opening is provided with a dust cover.

Further, the laser ranging sensor is fixedly installed above the water surface to be monitored through a lifting bracket protruding from the water surface to be monitored.

Further, the dustproof cover includes an upper cloth layer, a sponge layer and a lower cloth layer which are sequentially attached from top to bottom.

Further, the electric dust collection assembly includes a positive metal dustproof net and a negative metal dustproof net, the positive metal dustproof net and the negative metal dustproof net are parallel and opposite to form a capacitor, and the two poles of the capacitor are respectively connected to the positive pole and the negative pole of the power supply module. The negative pole is connected, and the negative metal dustproof net is located above the positive metal dustproof net.

Further, the laser ranging sensor is connected with a wireless signal transmitter, and the laser ranging sensor sends data to the controller through the wireless signal transmitter.

Further, the wireless signal transmitter is connected to the controller through a corresponding GSM network, GPRS network, CDMA network, 3G network or 4G network.

Further, the laser ranging sensor and the wireless signal transmitter are powered by a solar cell device.

Beneficial effects of the utility model: in the water level monitoring system based on computer technology of the utility model, when the heat dissipation fan is working, the cold air from the outside enters the chassis through the second heat dissipation opening, and the hot air in the box flows to the outside through the first heat dissipation opening, thereby Realize the heat dissipation of the control cabinet; because the second cooling port is provided with a dust cover, it can prevent external dust from entering the control cabinet from the second cooling port during heat dissipation; The dust component can absorb the dust falling from the first heat dissipation port when it is started, and prevent external dust from entering the control cabinet from the first heat dissipation port; the utility model effectively prevents dust from entering the case and prevents electronic devices from being damaged due to dust accumulation.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the utility model is further described:

Fig. 1 is a block diagram of the utility model;

Fig. 2 is the structural representation of the main engine chassis of the present utility model;

Fig. 3 is a schematic structural view of the electric vacuum assembly of the present invention;

Fig. 4 is a structural schematic diagram of the dustproof cover of the present invention.

detailed description

As shown in the figure: the water level monitoring system based on computer technology of the present embodiment includes a host 1, a display 2 and a laser ranging sensor 3 arranged above the water surface to be monitored; the chassis of the host 1 is a cuboid structure and is provided with a top plate 11 and the base plate 12; the signal output end of the laser ranging sensor 3 is connected to the signal input end of the controller 101 installed in the cabinet; the first heat dissipation port 11a is arranged on the described top plate 11, and the base plate 12 is provided with There is a second heat dissipation port 12a; the first heat dissipation port 11a is provided with a heat dissipation fan 5 for pumping the air in the cabinet to the outside; side, the outer side (i.e., the side facing the outside world) is equipped with an electric dust collection assembly, and a dust cover 7 is provided in the second heat dissipation port 12a; the host 1 and the display 2 form a control computer; a laser measuring device is fixed above the water level to be monitored. From the sensor 3, directly measure the distance from the water level surface to the laser ranging sensor 3, this distance can be converted into an absolute elevation or the elevation first, and the continuous value can reflect the long-term change of the water level; the laser ranging sensor 3 can use the existing Components, for example, can adopt the sensor whose model is SICK LMS221-S07 or Swiss DIMETIXDLS-AH15; the number of laser ranging sensors 3 can be determined according to the needs, and generally one should be set for each independent water surface; the controller 101 is a CPU; The chassis 102 is surrounded by six panels; a mainboard is installed in the chassis casing, and most of the heating electronic devices (including the controller 101) that control the computer are installed on the mainboard, and the heat emitted by the electronic devices is formed by the cooling fan 5. When the cooling fan 5 is working, the cold wind from the outside enters the cabinet through the second cooling port 12a, and the hot air in the cabinet flows to the outside through the first cooling port 11a, thereby realizing the heat dissipation of the control cabinet; The second heat dissipation port 12a is provided with a dust cover 7, which can block external dust from entering the control cabinet from the second heat dissipation port 12a during heat dissipation; It can absorb the dust falling from the first heat dissipation opening 11a, and prevent external dust from entering the control cabinet from the first heat dissipation opening 11a.

In this embodiment, the laser ranging sensor 3 is fixedly installed above the water surface to be monitored by extending the lifting bracket (not shown in the figure) of the water surface to be monitored; the lifting bracket can be a telescopic structure to adapt to the requirements of water surfaces of different depths The bottom of the lifting bracket can be fixed on the bottom of the water, and the top is provided with an installation structure suitable for installing the laser ranging sensor 3; in addition, the lifting bracket can also be set by being fixed on a floating plate floating on the water surface.

In this embodiment, the dustproof cover includes an upper cloth layer 71, a sponge layer 72, and a lower cloth layer 73 that are arranged sequentially from top to bottom; each layer can be fixed by an outer frame, and the outer frame is detachably connected to the The second heat dissipation port 12a; the upper cloth layer 71 and the lower cloth layer 73 can be nylon cloth; the ratio of the thickness of the upper cloth layer 71, the sponge layer 72 and the lower cloth layer 73 can be 1: (8-12): 1; The structure makes the dustproof cover 7 have good air permeability and dustproofness.

In this embodiment, the electric dust collection assembly includes a positive metal dustproof net 61 and a negative metal dustproof net 62, and the positive metal dustproof net 61 and the negative metal dustproof net 62 are parallel to form a capacitor, and the two poles of the capacitor Connect to the positive pole and negative pole of the power supply module 63 respectively, the negative metal dustproof net 62 is located above the positive metal dustproof net 61; the positive metal dustproof net 61 and the negative pole metal dustproof net 62 form a capacitor, which can ensure the two dustproof The mesh belt has a large amount of electricity, which is beneficial to improve the dust-proof ability. At the same time, the positive metal dust-proof net 61 is arranged under the negative metal dust-proof net 62, which is beneficial to secondary dust-proof and ensures dust-proof strength; the power supply module can be a The storage battery enables the electric dust collection unit to operate without mains power.

In this embodiment, the laser ranging sensor 3 is connected with a wireless signal transmitter 3a, and the laser ranging sensor 3 sends data to the controller 101 through the wireless signal transmitter 3a; each laser ranging sensor 3 is connected to There is a wireless signal transmitter 3a to communicate wirelessly with the controller 101; signal conversion and signal amplification therein belong to the prior art, and will not be described in detail here; the wireless signal transmitter 3a passes through the corresponding GSM network, GPRS network , CDMA network, 3G network or 4G network are connected to the controller 101; the technology is mature, easy to implement, and convenient for system construction.

In this embodiment, the laser ranging sensor 3 and the wireless signal transmitter 3a are powered by a solar cell device to meet the actual needs of unmanned management in the field and improve the operability of remote monitoring.

In this embodiment, the controller 101 is also connected to the alarm, and the controller 101 sets multiple alarm limits. If the water level is abnormal, the alarm will be activated immediately for early warning; at the same time, the controller 101 will immediately send an alarm message to the mobile phone of the staff.

Finally, it is noted that the above embodiments are only used to illustrate the technical solutions of the present utility model without limitation. Although the utility model has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the utility model can be Modifications or equivalent replacements of the technical solutions without departing from the purpose and scope of the technical solutions of the utility model shall be covered by the claims of the utility model.

Claims (7)

1. a kind of water level monitoring system based on computer technology, including main frame, display and it is located above the water surface to be monitored Laser range sensor；The cabinet of the main frame is rectangular parallelepiped structure and is provided with top plate and bottom plate；The laser range sensor Signal output part be connected with the signal input part of the controller in the cabinet；It is characterized in that：It is provided with the top plate First thermovent, the bottom plate are provided with the second thermovent；It is provided with first thermovent and is used to air in casing being evacuated to Extraneous cooling fan；Electric dust suction subassembly, second radiating are installed in first thermovent on the inside of cooling fan Dust cover is provided with mouthful.

2. the water level monitoring system according to claim 1 based on computer technology, it is characterised in that：The laser ranging Sensor is fixedly mounted on above the water surface to be monitored by stretching out the lifting support of the water surface to be monitored.

3. the water level monitoring system according to claim 2 based on computer technology, it is characterised in that：The dust cover bag Include the upper layer of cloth for being bonded setting successively from top to bottom, spongy layer and lower layer of cloth.

4. the water level monitoring system according to claim 3 based on computer technology, it is characterised in that：The electric dust suction group Part includes cathode metal Air Filter and negative metal Air Filter, and the cathode metal Air Filter is parallel with negative metal Air Filter just To forming electric capacity, the two poles of the earth of electric capacity are connected with the positive pole and negative pole of power supply module respectively, and the negative metal Air Filter is positioned at just The top of pole metal dust net.

5. the water level monitoring system according to claim 4 based on computer technology, it is characterised in that：The laser ranging Sensor is connected with radio signal senders, and the laser range sensor sends data to control by radio signal senders Device processed.

6. the water level monitoring system according to claim 5 based on computer technology, it is characterised in that：The wireless signal Transmitter is connected by corresponding GSM network, GPRS network, cdma network, 3G network or 4G networks with controller.

7. the water level monitoring system according to claim 6 based on computer technology, it is characterised in that：The laser ranging Sensor and radio signal senders are powered by solar battery apparatus.