CN212458459U

CN212458459U - Integrated sensing device

Info

Publication number: CN212458459U
Application number: CN202021562837.2U
Authority: CN
Inventors: 李霞; 陈炜; 袁晨; 詹起林; 陈舒燕; 杨洪波; 王维清; 顾耀虎; 叶飞
Original assignee: Shanghai Gisinfo Technology Co ltd
Current assignee: Shanghai Gisinfo Technology Co ltd
Priority date: 2020-07-31
Filing date: 2020-07-31
Publication date: 2021-02-02
Anticipated expiration: 2030-07-31

Abstract

The utility model relates to an integrated form perception device, including the inside main circuit board of shell and shell, the shell is including the upper cover that connects gradually, mesochite and drain pan, the drain pan constitutes the sensor storehouse with the mesochite, be equipped with the circuit board support plate in the mesochite, the circuit board support plate separates the inner space that upper cover and mesochite constitute for battery compartment and mainboard storehouse, be equipped with the battery in the battery compartment, be equipped with the main circuit board of fixing on the circuit board support plate in the mainboard storehouse, be equipped with gas module circuit board and gas sensor in the sensor storehouse, be equipped with waterproof breather valve and fretwork hole on the drain pan, be equipped with waterproof ventilated membrane on the drain pan inner wall, the inside water joint that is equipped with of mesochite, main circuit board passes through water joint. Compared with the prior art, the utility model has the advantages of compact structure, security are high and the expansibility is good.

Description

Integrated sensing device

Technical Field

The utility model relates to a monitoring devices especially relates to an integrated form perception device.

Background

With the continuous promotion of urbanization process, municipal utility construction is also rapidly developed. The inspection well cover is used as an important urban public facility and widely used in the industries of municipal water supply and drainage, electric power, communication, gas, radio and television and the like, and the real-time monitoring of the inspection well and the environmental state can help a user to manage the municipal facility, monitor the running state of the facility, discover hidden dangers in time, avoid the occurrence of safety accidents, realize the intelligent management of the municipal public facility, help the user to monitor the urban dynamic state and optimize the urban operation. The existing inspection well monitoring device is poor in integration and expansibility, few in types and quantity of sensors which can be installed, large in size and few in types of monitored indexes.

Some solutions have also been given in the prior art, and chinese patent CN200920207405.7 proposes an integrated environment detecting device, which is provided with a fixed pipe, a temperature sensor is fixed at the head end of the fixed pipe, a liquid level sensor is also fixed at the head end of the fixed pipe, the connecting wires of all sensors are installed in the fixed pipe, a sampling air pipe is also installed in the fixed pipe, a shell is also fixed at the head end of the fixed pipe, an adjustable bracket is arranged on the shell, and a travel switch is also installed on the adjustable bracket. The remarkable effects are as follows: this device can realize the drainage and block up the monitoring when monitoring dangerous gas concentration, and multiple functions such as stolen monitoring of inspection shaft lid and gas temperature monitoring realize the integrated installation of detection device, and installation, debugging are convenient, and low cost has protect function to the multiple sensor of concentrating the installation moreover, has prevented that various devices from being damaged by accident in sewer, septic tank clearance engineering.

However, the patent has the following problems:

the device has the advantages of complex structure, large occupied space and poor sealing property and moisture resistance;

no power supply is needed, and an external power supply is needed;

the gas is required to be collected through a sampling gas pipe embedded into the well wall of the inspection well, the detection result is inaccurate, a signal line is also arranged in the sampling gas pipe, the corrosion is easy, the safety is poor, and the installation difficulty is high.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an integrated form perception device in order to overcome the defect that above-mentioned prior art exists, compact structure, the security is high, and the expansibility is good.

The purpose of the utility model can be realized through the following technical scheme:

an integrated sensing device comprises a shell and a main circuit board inside the shell, and is characterized in that the shell comprises an upper cover, a middle shell and a bottom shell which are sequentially connected, the bottom shell and the middle shell form a sensor bin, a circuit board carrier plate is arranged in the middle shell, the circuit board carrier plate divides the inner space formed by the upper cover and the middle shell into a battery bin and a mainboard bin, a battery is arranged in the battery bin, a main circuit board fixed on the circuit board carrier plate is arranged in the mainboard bin, a gas module circuit board and a gas sensor on the gas module circuit board are arranged in the sensor bin, a waterproof vent valve and a hollowed hole are arranged on the bottom shell, a waterproof breathable film covering the hollowed hole is arranged on the inner wall of the bottom shell, a waterproof joint communicating the mainboard bin and the sensor bin is also arranged inside the middle shell, and the main circuit board is connected with the gas module circuit board through the waterproof joint, the middle shell is provided with a photosensitive sensor and an ultrasonic liquid level sensor.

Furthermore, the middle shell is provided with an antenna outer cover and a 485 connecting plug, and an antenna connected with the main circuit board is arranged in the antenna outer cover.

Furthermore, the middle shell is provided with an external through hole for externally connecting a power supply, and the external through hole is provided with a second plug.

Furthermore, the upper cover is provided with a first slot, the middle shell is provided with a second slot, the main circuit board is connected with a first door magnetic switch and a second door magnetic switch, and the first door magnetic switch and the second door magnetic switch are respectively inserted into the first slot and the second slot.

Furthermore, the upper cover, the middle shell and the bottom shell are all box body structures with one ends opened.

Further, the opening one end of upper cover be equipped with first seal groove, the four corners in upper cover bottom outside be equipped with first counter bore, the opening one end of mesochite be equipped with first sealed arch, first sealed arch insert in first seal groove and the space intussuseption between the two fill and have the second sealing washer, the upper cover fixed with the mesochite through hexagon socket head cap screw, hexagon socket head cap screw inserts first counter bore, has inserted first end cap on this first counter bore.

Furthermore, the bottom outside of mesochite be equipped with the second seal groove, the opening one end of drain pan be equipped with the sealed arch of second, this sealed arch of second inserts in the second seal groove, the sealed arch of second and second seal groove between be equipped with first sealing washer, the drain pan pass through second hexagon socket head cap screw and mesochite fixed connection, the four corners in the bottom outside of drain pan be equipped with the third counter bore, the second hexagon socket head cap screw insert the third counter bore, the third counter bore on insert first end cap.

Furthermore, the inner side wall of the bottom shell is provided with an installation side wall, the gas module circuit board is arranged on the installation side wall, and a rubber ring is arranged between the gas module circuit board and the inner side wall of the bottom shell.

Furthermore, a second groove is formed in the inner side of the bottom shell, the hollow hole is formed in the bottom of the second groove, and the waterproof breathable film covers the second groove.

Furthermore, a side lug is arranged on the middle shell, and a second counter bore is formed in the side lug.

Compared with the prior art, the utility model discloses have with following beneficial effect:

(1) the utility model is sequentially connected with the upper cover, the middle shell and the bottom shell, a circuit board support plate is arranged in the middle shell, the circuit board support plate is used for connecting the upper cover and the middle shell to form a closed space atmosphere battery bin and a mainboard bin, the middle shell and the bottom shell form a sensor bin, the battery, the main circuit board and the gas module circuit board are respectively and correspondingly arranged in the battery bin, the mainboard bin and the sensor bin, the main circuit board is connected with the gas module circuit board through a waterproof joint to facilitate the expansion of the gas module circuit board, the bottom of the bottom shell is provided with a hollow hole and a waterproof breathable film, the gas sensor shares the sensor bin, the middle shell is provided with a photosensitive sensor and an ultrasonic liquid level sensor, the structure is compact, the assembly and disassembly are convenient, the expansibility is good, meanwhile, the design of the sub-bins can prevent the diffusion of faults and avoid the damage of the battery and the main circuit board caused by the damp;

(2) the utility model is provided with the 485 connecting plug on the middle shell, which is convenient for the connection of the main circuit board and the external equipment, realizes the expansion and enlarges the application range of the sensing device;

(3) the utility model is provided with an external through hole on the middle shell, a second plug is temporarily arranged on the external through hole, the second plug can be disassembled and an external power supply is connected through the external through hole;

(4) the utility model discloses be equipped with first slot on the upper cover, be equipped with the second slot on the mesochite, main circuit board is connected with first door magnetic switch and second door magnetic switch, and first door magnetic switch and second door magnetic switch insert respectively on first slot and second slot, can monitor whether perception device is opened and damaged, and the security is good;

(5) the utility model is sequentially connected with the upper cover, the middle shell and the bottom shell to form the shell, and the upper cover, the middle shell and the bottom shell are box body structures with one open ends, thereby being convenient for forming a closed space, being convenient for dismounting and having good expansibility;

(6) the utility model is provided with a first sealing groove at one end of the opening of the upper cover, first counter bores are arranged at four corners outside the bottom of the upper cover, a first sealing bulge is arranged at one end of the opening of the middle shell, the first sealing bulge is inserted into the first sealing groove, a second sealing ring is filled in the space between the first sealing bulge and the first sealing groove, the upper cover is fixed with the middle shell through an inner hexagon bolt, the inner hexagon bolt is inserted into the first counter bore, a first plug is inserted into the first counter bore, the connection between the upper cover and the middle shell is stable, and the sealing performance is good;

(7) the utility model discloses be equipped with the second seal groove in the bottom outside of mesochite, the open end of drain pan is equipped with the second sealed arch, this second sealed arch inserts in the second seal groove, be equipped with first sealing washer between second sealed arch and the second seal groove, the drain pan passes through second hexagon socket head cap screw and mesochite fixed connection, the four corners in the bottom outside of drain pan is equipped with the third counter bore, second hexagon socket head cap screw inserts the third counter bore, insert the first stifled on the third counter bore, connect stably and the leakproofness is good between mesochite and the drain pan;

(8) the utility model discloses be equipped with the installation lateral wall at the inside wall of drain pan, gas module circuit board is arranged in the installation lateral wall, is equipped with the rubber ring between the inside wall of gas module circuit board and drain pan, and gas module circuit board separates the sensor storehouse into 2 spaces for the gas in the basement well can't get into the space between gas module circuit board and the mesochite, prevents the gas infiltration, plays the effect of protection gas module circuit board, mainboard storehouse and battery storehouse, and the security is good;

(9) the utility model discloses open at the drain pan inboard and have the second recess, the fretwork hole is located the second recess bottom, and waterproof ventilated membrane covers the second recess, and the gas in the basement well firstly gets into the second recess through the fretwork hole, then sees through waterproof ventilated membrane, has increased the area of contact of gas in the basement well and waterproof ventilated membrane, has improved the accuracy of gas detection;

(10) the utility model discloses be equipped with the side ear on the mesochite, it has the second counter bore to open on the side ear, is convenient for install the shell through the side ear.

Drawings

Fig. 1 is a schematic diagram of the explosion structure of the present invention;

FIG. 2 is a schematic view of the inner structure of the upper cover;

FIG. 3 is a schematic view of the internal structure of the middle case;

FIG. 4 is a schematic view of the outer side of the middle shell;

FIG. 5 is a schematic view of the bottom structure of the middle shell;

fig. 6 is a schematic perspective view of the present invention;

FIG. 7 is a schematic view of the internal structure of the bottom case;

FIG. 8 is a schematic view of an outer structure of the bottom case;

FIG. 9 is a schematic view showing an installation position of the temporary cover plate;

fig. 10 is a cross-sectional view of the present invention;

FIG. 11 is a schematic view of the outer structure of the upper cover;

FIG. 12 is a cross-sectional view of a sensor cartridge;

the reference numbers in the figures illustrate:

1. the device comprises an upper cover, 2 parts of a first plug, 3 parts of a first door magnetic switch, 4 parts of a first inner hexagon bolt, 5 parts of a battery, 6 parts of a second door magnetic switch, 7 parts of a waterproof joint, 8.485 connecting plugs, 9 parts of a photosensitive sensor, 10 parts of a first sealing ring, 11 parts of a temporary cover plate, 12 parts of a CO sensor, 13 parts of a waterproof vent valve, 14 parts of a waterproof breathable film, 15 parts of a bottom shell, 16 parts of an ultrasonic liquid level sensor, 17 parts of a CH₄Sensor, 18.H₂The antenna comprises an S sensor, 19, an antenna housing, 20, a middle shell, 21, a main circuit board, 22, a circuit board carrier plate, 23, a second sealing ring, 24, a second plug, 25, a gas module circuit board, 26, a second fixing seat, 101, a first slot, 102, a first sealing groove, 103, a first counter bore, 151, a sixth threaded hole, 152, a second sealing protrusion, 153, a hollow hole, 154, a mounting side wall, 155, a third fixing seat, 156, a first groove, 157, a second groove, 158, a rubber ring, 159, a third counter bore, 160, a second hexagon socket bolt, 201, a first sealing protrusion, 202, a nameplate mounting groove, 203, a first threaded hole, 204, a side lug, 205, a second counter bore, 206, an external through hole, 207, a first fixing seat, 208, a second slot, 209, a second threaded hole, 210, a third threaded hole, 211, a fourth threaded hole, 212, a fifth threaded hole, 213 and a second sealing groove.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. The embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.

An integrated sensing device, as shown in fig. 1, 6 and 10, comprises a housing, a sensor module, a battery 5, a main circuit board 21, an antenna housing 19 and a circuit board carrier plate 22, wherein the sensor module, the battery 5, the main circuit board 21, the antenna housing 19 and the circuit board carrier plate 22 are arranged on the housing, the sensor module comprises a gas module circuit board 25, a gas sensor, a photosensitive sensor 9 and an ultrasonic liquid level sensor 16, the housing comprises an upper cover 1, a middle shell 20 and a bottom shell 15 which are connected in sequence, the middle shell 20 and the bottom shell 15 are both box structures with one open ends, an inner space at the bottom of the bottom shell 15 and the middle shell 20 forms a sensor chamber, a first fixing seat 207 is arranged at the bottom of the middle shell 20, the circuit board carrier plate 22 is fixed on the first fixing seat 207 through bolts, the circuit board carrier plate 22 divides the space formed by the upper cover 1 and the middle shell 20 into the battery chamber and a main board chamber, as, the opening end of the middle shell 20 is provided with a first sealing protrusion 201, the first sealing protrusion 201 is inserted into the first sealing groove 102, a space between the first sealing protrusion 201 and the first sealing groove 102 is filled with a second sealing ring 23, the upper cover 1 is fixed with the middle shell 20 through an inner hexagonal bolt 4, the inner hexagonal bolt 4 is inserted into the first counter bore 103, and the first end cap 2 for sealing is inserted into one end of the first counter bore 103, which is located on the outer side of the upper cover 1. The battery 5 is located in the battery compartment and is arranged on the circuit board carrier plate 22, the battery 5 is a 20000mAh lithium battery, the battery 5 is connected with the first door magnetic switch 3 and the second door magnetic switch 6, the upper cover 1 is provided with the first slot 101, the middle shell 20 is provided with the second slot 208, and the first door magnetic switch 3 and the second door magnetic switch 6 are respectively inserted into the first slot 101 and the second slot 208.

Referring to fig. 3, 4 and 5, the board carrier 22 is provided with a second fixing seat 26 located in the motherboard compartment, the main circuit board 21 is connected to the battery 5 and fixed on the board carrier 22 by bolts, the bottom of the middle case 20 is provided with a fifth screw hole 212, the side of the middle case 20 is provided with a first screw hole 203, external through-hole 206, second screw hole 209 and third screw hole 210, antenna dustcoat 19 is connected with first screw hole 203, be equipped with the antenna of being connected with main circuit board 21 in the antenna dustcoat 19, the antenna adopts loRa or NB-IoT communication mode, be equipped with second end cap 24 on the external through-hole 206, main circuit board 21 accessible external power supply of external through-hole 206, main circuit board 21 is connected with 485 connecting plug 8, 485 connecting plug 8 installs on second screw hole 209, ultrasonic wave level sensor 16 is located the shell outside and installs on fifth screw hole 212, photosensitive sensor 9 installs on third screw hole 210. The lateral surface of the middle shell 20 is symmetrically provided with 2 side lugs 204 convenient for fixing a sensing device, each side lug 204 is provided with 2 second counter bores 205, and the lateral surface of the middle shell 20 is provided with a nameplate mounting groove 202.

As shown in fig. 9, a temporary cover plate 11 for closing the fourth screw hole 211 is fixed to the bottom of the middle case 20 when not assembled with the bottom case 15.

As shown in fig. 5, 7 and 12, a second sealing groove 213 is formed at the outer side of the bottom of the middle shell 20, a second sealing protrusion 152 is formed at one end of the opening of the bottom shell 15, the second sealing protrusion 152 is inserted into the second sealing groove 213, a first sealing ring 10 is disposed between the second sealing protrusion 152 and the second sealing groove 213, and the bottom shell 15 is fixedly connected to the middle shell 20 by a second hexagon socket head screw 160.

Referring to fig. 7 and 8, third counter bores 159 are formed at four corners of the outer side of the bottom case 15, the second hexagon socket head cap bolts 160 are inserted into the third counter bores 159, and the first plugs 2 for sealing are inserted into the ends of the third counter bores 159, which are located at the outer side of the bottom case 15. The side symmetry of drain pan 15 is opened there are 2 sixth screw holes 151, all install waterproof breather valve 13 on each sixth screw hole 151, the outside of the side of drain pan 15 is opened has the first recess 156 of being convenient for to hand, the inside wall of drain pan 15 is equipped with installation lateral wall 154, be equipped with third fixing base 155 on the installation lateral wall 154, gas module circuit board 25 is arranged in on installation lateral wall 154 and is passed through bolt and third fixing base 155 fixed connection, be equipped with between the inside wall of gas module circuit board 25 and drain pan 15 and be used for sealed rubber ring 158, gas sensor arranges in on gas module circuit board 25 and lies in between 2 waterproof breather valves 13, gas sensor includes that gas module circuit board 25 is equipped with CO sensor 12, CH₄Sensor 17 and H₂S sensor 18, bottom of middle case 20The gas module is characterized in that a fourth threaded hole 211 for communicating the mainboard bin with the sensor bin is further formed, a waterproof connector 7 located in the mainboard bin is installed on the fourth threaded hole 211, the main circuit board 21 is connected with the gas module circuit board 25 through a connecting wire penetrating through the waterproof connector 7, a second groove 157 is formed in the inner side of the bottom shell 15, a hollow hole 153 is formed in the bottom of the second groove 157, a waterproof breathable film 14 covering the second groove 157 is arranged on the inner side of the bottom shell 15, and the waterproof breathable film 14 is made of ePTFE.

The sensing device is installed in the inspection well through the side ear 204, gas in the inspection well sequentially passes through the hollow hole 153 and the waterproof breathable film 14 to enter the sensor bin, the sensor bin is ventilated through the waterproof breathable valve 13, the gas sensor detects gas component information of the gas, the ultrasonic liquid level sensor 16 detects water level information in the inspection well, the photosensitive sensor detects illumination intensity information in the inspection well, the water level information and the illumination intensity information are uploaded to the main circuit board 21, the gas component information is sequentially uploaded to the gas module circuit board 25 and the main circuit board 21, the main circuit board 21 can realize information transmission with a detection center through an antenna, when any type of monitored information exceeds a set threshold value, the main circuit board 21 sends an alarm to the detection center through the antenna, the main circuit board 21 can be connected with external equipment through the 485 connection plug 8 or externally connected with a power supply through the external through hole 206, and the power supply is connected with the main, at this moment, the battery 5 may not be used, when the sensing device is disassembled, the first door magnetic switch 3 and the second door magnetic switch 6 are separated from the first slot 101 and the second slot 208, respectively, the first door magnetic switch 3 and the second door magnetic switch 6 are changed from the open state to the closed state, and the main circuit board 21 may monitor the state change, thereby implementing the anti-theft monitoring of the sensing device.

This embodiment has provided an integrated form perception device, and mainboard storehouse, battery compartment and sensor storehouse divide the storehouse design, convenient maintenance and independent assortment can prevent the fault diffusion simultaneously, and security and moisture resistance are good, can use battery 5 or external power supply, and all gas sensor sharing sensor storehouses can set up various types gas sensor wantonly, the extension of being convenient for, and the flexibility is good.

The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the teachings of the present invention without undue experimentation. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.

Claims

1. An integrated sensing device comprises a shell and a main circuit board (21) inside the shell, and is characterized in that the shell comprises an upper cover (1), a middle shell (20) and a bottom shell (15) which are sequentially connected, the bottom shell (15) and the middle shell (20) form a sensor bin, a circuit board carrier plate (22) is arranged in the middle shell (20), the circuit board carrier plate (22) divides an internal space formed by the upper cover (1) and the middle shell (20) into a battery bin and a mainboard bin, a battery (5) is arranged in the battery bin, the main circuit board (21) fixed on the circuit board carrier plate (22) is arranged in the mainboard bin, a gas module circuit board (25) and a gas sensor on the gas module circuit board (25) are arranged in the sensor bin, a waterproof ventilation valve (13) and a hollow hole (153) are arranged on the bottom shell (15), bottom shell (15) inner wall on be equipped with waterproof ventilated membrane (14) that cover on fretwork hole (153), mesochite (20) inside still be equipped with waterproof connection (7) that communicate mainboard storehouse and sensor storehouse, main circuit board (21) be connected with gas module circuit board (25) through waterproof connection (7), mesochite (20) on be equipped with photosensitive sensor (9) and ultrasonic wave level sensor (16).

2. The integrated sensing device as claimed in claim 1, wherein the middle casing (20) is provided with an antenna housing (19) and a 485 connection plug (8), and the antenna housing (19) is provided with an antenna connected with the main circuit board (21).

3. The integrated sensing device as claimed in claim 1, wherein the middle casing (20) is provided with an external through hole (206) for external power supply, and the external through hole (206) is provided with a second plug (24).

4. The integrated sensing device according to claim 1, wherein the upper cover (1) is provided with a first slot (101), the middle shell (20) is provided with a second slot (208), the main circuit board (21) is connected with a first door magnetic switch (3) and a second door magnetic switch (6), and the first door magnetic switch (3) and the second door magnetic switch (6) are respectively inserted into the first slot (101) and the second slot (208).

5. The integrated sensing device as claimed in claim 1, wherein the top cover (1), the middle shell (20) and the bottom shell (15) are each a box structure with an open end.

6. The integrated sensing device according to claim 5, wherein a first sealing groove (102) is formed in one end of an opening of the upper cover (1), first counter bores (103) are formed in four corners of the outer side of the bottom of the upper cover (1), a first sealing protrusion (201) is formed in one end of an opening of the middle shell (20), the first sealing protrusion (201) is inserted into the first sealing groove (102), a second sealing ring (23) is filled in a space between the first sealing protrusion and the first sealing groove, the upper cover (1) is fixed with the middle shell (20) through the hexagon socket head cap screw (4), the hexagon socket head cap screw (4) is inserted into the first counter bore (103), and the first plug (2) is inserted into the first counter bore (103).

7. The integrated sensing device according to claim 5, wherein a second sealing groove (213) is formed in the outer side of the bottom of the middle shell (20), a second sealing protrusion (152) is formed at one end of an opening of the bottom shell (15), the second sealing protrusion (152) is inserted into the second sealing groove (213), a first sealing ring (10) is arranged between the second sealing protrusion (152) and the second sealing groove (213), the bottom shell (15) is fixedly connected with the middle shell (20) through a second hexagon socket head cap screw (160), third counter bores (159) are formed in four corners of the outer side of the bottom shell (15), the second hexagon socket head cap screw (160) is inserted into the third counter bores (159), and first plugs (2) are inserted into the third counter bores (159).

8. The integrated sensor assembly of claim 1, wherein the bottom housing (15) has a mounting sidewall (154) on an inner sidewall thereof, the gas module circuit board (25) is disposed on the mounting sidewall (154), and a rubber ring (158) is disposed between the gas module circuit board (25) and the inner sidewall of the bottom housing (15).

9. The integrated sensing device according to claim 1, wherein the bottom shell (15) has a second recess (157) formed therein, the hollow hole (153) is formed at the bottom of the second recess (157), and the waterproof air-permeable membrane (14) covers the second recess (157).

10. The integrated sensing device as claimed in claim 1, wherein the middle casing (20) is provided with a lateral lug (204), and the lateral lug (204) is provided with a second counter bore (205).