CN219716212U - Early warning device for safety production monitoring - Google Patents

Abstract

The utility model relates to an early warning device for safety production supervision, which comprises a shell, a circuit board, a tapping device and a sensor assembly, wherein an alarm and an electric connector which are connected with the circuit board are respectively arranged on two sides of the shell; the sensor components of the sensors are installed on the same early warning device by the tapping device, multi-parameter detection early warning can be carried out, equipment cost and installation space requirements are facilitated to be simplified, the sensors are installed by the aid of the connecting sleeves and the tapping devices, the circuit board is detachably installed in the shell, overall disassembly and maintenance are facilitated, operators can know hidden troubles of production environments through display and alarm early warning, and safety production supervision application requirements are met.

Description

Early warning device for safety production monitoring

Technical Field

The utility model belongs to the technical field of safety production supervision equipment, and particularly relates to an early warning device for safety production supervision.

Background

In order to improve the safety production management level of enterprises, effectively prevent production safety accidents and ensure the stability of safety production situations, the monitoring of the production environment by using the early warning device is very beneficial to the safety production supervision. In the prior art, a sensor which is arranged in a leakage-prone environment and responds to the concentration of single combustible gas is adopted in the early warning device, the concentration of the detected target gas is converted into an electric signal through detection of the sensor, the electric signal is transmitted to a controller through a cable and is output and displayed by a display, the higher the concentration of the gas is, the stronger the electric signal is, when the concentration of the gas reaches or exceeds a threshold value set by the early warning device, the controller controls an alarm of the early warning device to send an alarm signal, so that a worker can know working conditions in time, the hidden danger is eliminated by opening and closing associated equipment, and the early warning condition is recorded through a wireless or bus connection monitoring system, but the existing early warning device still has the following problems: (1) According to different application scenes, the sensor monitors different detection principles, measuring ranges and target gases such as electrochemistry, thermal conductivity, semiconductors, PID photoions and the like, the existing single gas detection is often difficult to adapt to the early warning requirement of the safety production application scene on multiple parameters, or equipment cost is increased when the safety production application scene is respectively matched, and the safety space is unfavorable for monitoring; (2) The sensor and the whole assembly and disassembly are inconvenient, the sensor is influenced by factors such as zero drift, faults and the like to cause inaccurate indication, and early warning conditions are difficult to reliably reflect.

Disclosure of Invention

The utility model aims to solve at least one of the technical problems to a certain extent, and provides an early warning device for safety production monitoring, which can perform multi-parameter early warning, is convenient to assemble, disassemble and maintain and improves production safety.

The technical scheme adopted for solving the technical problems is as follows:

the utility model provides a safety in production early warning device for prison tube, includes casing, circuit board, tapping device and sensor subassembly, the casing both sides are equipped with alarm and the electric joint of being connected with the circuit board respectively, the circuit board is arranged in the casing in, and the circuit board is connected with the display, the tapping device includes the main joint and a plurality of tap that link to each other with the circuit board, the sensor subassembly includes a plurality of sensors with tap complex, the sensor is equipped with the adapter sleeve outward, adapter sleeve and the spacing cooperation of sensor, and the adapter sleeve can be dismantled with the tap and be connected.

Further, the casing is including detachable drain pan and upper cover of connection, the circuit board is equipped with the mount pad that links to each other with the bottom, the display is connected on the mount pad, is equipped with the glass piece between display and the upper cover, installs the circuit board in the casing through the mount pad through detachable drain pan and upper cover, and can see through the glass piece and observe the display registration, be convenient for in time know sensor monitoring condition.

Further, the bottom cover is internally provided with the convex column, the convex column and the mounting seat are provided with corresponding mounting holes, and the convex column and the mounting seat are connected through the mounting holes, so that the mounting seat is integrally detachably mounted, and is convenient to detach and replace.

Further, the mounting seat is provided with a notch, the notch is internally provided with a pressing ring positioned between the glass sheet and the mounting seat, the pressing ring is convenient to rapidly mount through the notch, the glass sheet can be supported, and the glass sheet is prevented from affecting display due to overpressure of the display.

Further, be equipped with first sealing washer between glass piece and the upper cover, increase the leakproofness between upper cover and the glass piece through first sealing washer, prevent that the infiltration from influencing the circuit board operation.

Further, be equipped with the second sealing washer between alarm and the casing, increase the leakproofness between alarm and the casing through the second sealing washer, prevent that the infiltration from influencing the circuit board operation.

Further, a third sealing ring is arranged between the electric connector and the shell, the tightness between the electric connector and the shell is improved through the third sealing ring, and the circuit board operation is prevented from being influenced by water seepage.

Further, the plurality of taps are arranged at intervals around the main joint, so that each sensor tap has sufficient installation space, and the disassembly and the assembly and the detection of the sensor are convenient.

Further, the sensor is provided with a groove, a fourth sealing ring is arranged in the groove, the connecting sleeve comprises a first sleeve body and a second sleeve body which are connected, the first sleeve body is in limit fit with the fourth sealing ring, the second sleeve body is connected with the tap, the fourth sealing ring is arranged between the sensor groove and the first sleeve body, the second sleeve body is sealed after being connected with the tap, the sensor can be installed rapidly, and water inflow is prevented from interfering sensor transmission.

Further, a plurality of clamping grooves are formed in the first sleeve body, a plurality of clamping teeth matched with the clamping grooves are arranged outside the second sleeve body, the first sleeve body and the second sleeve body are quickly connected through the connection and the insertion matching of the clamping teeth and the clamping grooves, and the sensor assembly is convenient to install quickly.

Compared with the prior art, the utility model has the beneficial effects that:

(1) The sensor assemblies of the sensors are installed on the same early warning device by the tapping device, multi-parameter detection early warning can be carried out, equipment cost and installation space requirements are facilitated to be simplified, corresponding sensors are selected according to application scene requirements, and the problem that existing single gas detection is difficult to adapt to safety production application scene requirements for multi-parameter early warning is solved.

(2) The sensor adopts the adapter sleeve to install with each tap, and circuit board detachably installs in the casing, and the sensor of being convenient for and the whole dismouting of circuit board and maintenance solve long-term use influence and cause the inaccurate, the problem of difficult reliable reaction early warning condition of registration.

Therefore, operators can know hidden troubles of the production environment through display of a display and early warning of an alarm, and the requirements of safety production supervision and application are met.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is a perspective view of one embodiment of the present utility model;

FIG. 2 is a right side exploded view of one embodiment of the present utility model;

FIG. 3 is a left side exploded view of one embodiment of the present utility model;

FIG. 4 is a bottom view of one embodiment of the present utility model;

fig. 5 is a cross-sectional view in AA direction of fig. 4.

The marks in the figure: the shell 1, the bottom shell 101, the convex column 1011, the mounting hole 1012, the interface 1013 and the upper cover 102;

a circuit board 2, tap 3, main joint 301, tap 302, boss 3021;

sensor assembly 4, sensor 401, groove 4011, connection sleeve 402, first sleeve 4021, second sleeve 4022, clip groove 4023, clip tooth 4024;

the alarm 5, the electric connector 6, the display 7 glass sheet 8, the mounting seat 9, the notch 901, the compression ring 10, the first sealing ring 11, the second sealing ring 12, the third sealing ring 13, the fourth sealing ring 14 and the lead 15.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

In the description of the present utility model, it should be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "axial," "radial," "vertical," "horizontal," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" or "a number" means two or more, unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

As shown in fig. 1-5, for a preferred embodiment of an early warning device for safety production monitoring according to the present utility model, the early warning device includes a housing 1, a circuit board 2, a tap 3, and a sensor assembly 4, wherein an alarm 5 and an electrical connector 6 connected to the circuit board 2 are respectively disposed on two sides of the housing 1, the circuit board 2 is disposed in the housing 1, the circuit board 2 is connected with a display 7, the tap 3 includes a main connector 301 and a plurality of taps 302 connected to the circuit board 2, the sensor assembly 4 includes a plurality of sensors 401 matched with the taps 302, a connecting sleeve 402 is disposed outside the sensor 401, the connecting sleeve 402 is in limit fit with the sensor 401, and the connecting sleeve 402 is detachably connected with the taps 302.

Further, the casing 1 includes drain pan 101 and upper cover 102 that can dismantle the connection, circuit board 2 is equipped with the mount pad 9 that links to each other with the bottom, display 7 connects on mount pad 9, is equipped with glass piece 8 between display 7 and the upper cover 102, and circuit board 2 includes control circuit, installs circuit board 2 in casing 1 through mount pad 9 through dismantling drain pan 101 and upper cover 102, and can see through glass piece 8 and observe the display 7 registration, be convenient for in time know sensor 401 monitoring condition.

Further, a mating thread is provided between the inner wall of the bottom shell 101 and the outer wall of the upper cover 102, and detachable connection is realized through the mating thread.

Further, a protruding column 1011 is arranged in the bottom cover, corresponding mounting holes 1012 are formed in the protruding column 1011 and the mounting seat 9, and the protruding column 1011 and the mounting seat 9 are connected in the mounting holes 1012 through screws, so that the mounting seat 9 is integrally detachably mounted, and the disassembly and the replacement are convenient.

Further, the mounting seat 9 is provided with a notch 901, a pressing ring 10 positioned between the glass sheet 8 and the mounting seat 9 is arranged in the notch 901, the pressing ring 10 is convenient to rapidly mount through the notch 901, the glass sheet 8 can be supported, and the display 7 is prevented from being affected by the glass sheet 8.

Further, a first sealing ring 11 is disposed between the glass sheet 8 and the upper cover 102, and the sealing performance between the upper cover 102 and the glass sheet 8 is increased by the first sealing ring 11, so that the operation of the circuit board 2 is prevented from being affected by water seepage.

Further, a second sealing ring 12 is arranged between the alarm 5 and the shell 1, and the tightness between the alarm 5 and the shell 1 is increased through the second sealing ring 12, so that the operation of the circuit board 2 is prevented from being influenced by water seepage.

Further, a matching thread is arranged between the outer wall of the end head of the alarm 5 and the inner wall of the bottom shell 101, and the alarm 5 is detachably connected through the matching thread.

Further, a third sealing ring 13 is arranged between the electric connector 6 and the shell 1, and the tightness between the electric connector 6 and the shell 1 is increased through the third sealing ring 13, so that the operation of the circuit board 2 is prevented from being influenced by water seepage.

Further, a matching thread is arranged between the outer wall of the end head of the electric connector 6 and the inner wall of the bottom shell 101, and the electric connector 6 is detachably connected through the matching thread.

Further, the bottom shell 101 is provided with a connector 1013 which is screwed with the main fitting 301, by means of which the detachable connection of the tap 3 is achieved.

Further, the plurality of taps 302 are arranged at intervals around the main joint 301, so that each sensor 401 is tapped with a sufficient installation space, and the disassembly and assembly and the detection of the sensor 401 are facilitated.

Further, the tap 302 is provided with a boss 3021 for mating with the sensor 401, and the sensor 401 is facilitated to be in quick contact mating by the boss 3021.

Further, the sensor 401 is provided with a groove 4011, a fourth sealing ring 14 is disposed in the groove 4011, the connecting sleeve 402 includes a first sleeve body 4021 and a second sleeve body 4022 which are connected, the first sleeve body 4021 is in limit fit with the fourth sealing ring 14, the second sleeve body 4022 is connected with the tap 302, the fourth sealing ring 14 is disposed between the groove 4011 of the sensor 401 and the first sleeve body 4021, the second sleeve body 4022 is connected with the tap 302 and then sealed, so that the sensor 401 can be installed quickly, and water inflow is prevented from interfering with the transmission of the sensor 401.

Further, a plurality of clamping grooves 4023 are formed in the first sleeve body 4021, a plurality of clamping teeth 4024 matched with the clamping grooves 4023 are arranged outside the second sleeve body 4022, and the first sleeve body 4021 and the second sleeve body 4022 are quickly connected through the plug-in matching of the clamping teeth 4024 and the clamping grooves 4023, so that the sensor assembly 4 is convenient to install quickly.

When the early warning device is assembled, an alarm threshold value is set through a control circuit of the circuit board 2, the display 7 is connected with the circuit board 2 and is arranged in the bottom shell 101 through the mounting seat 9, the second sealing ring 12 and the third sealing ring 13 are respectively arranged, the lead wires 15 of the alarm 5, the electric connector 6 and the main connector 301 of the tapping device 3 are respectively connected with the lead wires 15 of the circuit board 2, the alarm 5, the electric connector 6 and the main connector 301 of the tapping device 3 are respectively connected on the bottom shell 101, the pressure ring 10, the glass sheet 8 and the first sealing ring 11 are sequentially assembled above the mounting seat 9, and the upper cover 102 is connected with the bottom shell 101.

Selecting a corresponding sensor 401 according to the application scene requirement, sleeving a first sleeve body 4021 of the connecting sleeve 402 outside the sensor 401, arranging a fourth sealing ring 14 in a groove 4011 of the sensor 401, and connecting a second sleeve body 4022 with the first sleeve body 4021 in a plugging and installing manner to form the connecting sleeve 402; the lead 15 of each sensor 401 is respectively communicated with the tap 302, the second sleeve 4022 is rotated to be connected with the tap 302, and the limit between the inside of the first sleeve 4021 and the fourth sealing ring 14 is achieved, so that each sensor 401 is respectively connected with the tap 302; and the early warning device is integrally arranged in an environment which is easy to leak, and the electric connector 6 is connected with a power supply and a safety production supervision system through the lead wires 15, so that the integral installation is realized. Similarly, the sensor 401 and the upper cover 102 can be detached by unscrewing.

When the early warning device works, the sensors 401 respectively detect the parameters such as the concentration, the humidity and the like of the ambient gas, convert the parameters into electric signals, transmit the electric signals to the circuit board 2 through the tapping device 3, display the display numbers through the display 7 by the circuit board 2 and transmit the electric signals to the safety production supervision system through the electric connector 6; when the electric signal exceeds the alarm threshold, the circuit board 2 controls the alarm 5 to early warn and feeds back to the safety production supervision system through the electric connector 6, so that operators can display the electric signal through the display 7 and the alarm 5 to early warn to know the hidden trouble of the production environment.

The sensor assemblies 4 of the sensors 401 are installed on the same early warning device by the tapping device 3, so that multi-parameter detection early warning can be performed, equipment cost and installation space requirements are simplified, and the problem that the existing single gas detection is difficult to adapt to the multi-parameter early warning requirement of a safety production application scene is solved; meanwhile, the sensor 401 is installed with each tap 302 through the connecting sleeve 402, the circuit board 2 is detachably installed in the shell 1, the sensor 401 and the circuit board 2 are convenient to be integrally disassembled and maintained, the problems that the indication is inaccurate and the early warning condition is difficult to reliably react due to long-term use influence are solved, and therefore the safety production supervision application requirements are met.

The above list of detailed descriptions is only specific to practical embodiments of the present utility model, and they are not intended to limit the scope of the present utility model, and all equivalent embodiments or modifications that do not depart from the spirit of the present utility model should be included in the scope of the present utility model.

Claims (10)

1. The utility model provides a safety in utilization early warning device for production prison, its characterized in that includes casing (1), circuit board (2), tapping device (3) and sensor subassembly (4), casing (1) both sides are equipped with alarm (5) and electrical connector (6) that are connected with circuit board (2) respectively, in casing (1) are arranged in to circuit board (2), circuit board (2) are connected with display (7), tapping device (3) include main joint (301) and a plurality of tap (302) that link to each other with circuit board (2), sensor subassembly (4) include a plurality of sensor (401) with tap (302) complex, sensor (401) are equipped with adapter sleeve (402) outward, adapter sleeve (402) and sensor (401) limit fit, and adapter sleeve (402) are connected with tap (302) can be dismantled.

2. The early warning device for safety production monitoring according to claim 1, wherein the housing (1) comprises a bottom shell (101) and an upper cover (102) which are detachably connected, the circuit board (2) is provided with a mounting seat (9) connected with the bottom cover, the display (7) is connected to the mounting seat (9), and a glass sheet (8) is arranged between the display (7) and the upper cover (102).

3. The early warning device for the safety production monitoring according to claim 2, wherein the bottom cover is internally provided with a convex column (1011), and the convex column (1011) and the mounting seat (9) are provided with corresponding mounting holes (1012).

4. The early warning device for safety production monitoring according to claim 2, characterized in that the mounting seat (9) is provided with a notch (901), and a compression ring (10) positioned between the glass sheet (8) and the mounting seat (9) is arranged in the notch (901).

5. The early warning device for safety production monitoring according to claim 2, characterized in that a first sealing ring (11) is arranged between the glass sheet (8) and the upper cover (102).

6. The early warning device for safety production monitoring according to claim 1, characterized in that a second sealing ring (12) is arranged between the alarm (5) and the housing (1).

7. The early warning device for safety production monitoring according to claim 1, characterized in that a third sealing ring (13) is arranged between the electrical connector (6) and the housing (1).

8. A pre-warning device for a safety production monitoring according to claim 1, characterized in that several taps (302) are arranged at intervals around the main joint (301) one week.

9. The early warning device for safety production monitoring according to any one of claims 1 to 8, characterized in that a groove (4011) is arranged outside the sensor (401), a fourth sealing ring (14) is arranged in the groove (4011), the connecting sleeve (402) comprises a first sleeve body (4021) and a second sleeve body (4022) which are connected, the first sleeve body (4021) is in limit fit with the fourth sealing ring (14), and the second sleeve body (4022) is connected with the tap (302).

10. The early warning device for safety production monitoring according to claim 9, wherein a plurality of clamping grooves (4023) are formed in the first sleeve body (4021), and a plurality of clamping teeth (4024) matched with the clamping grooves (4023) are arranged outside the second sleeve body (4022).