CN220232528U

CN220232528U - Safety monitoring device

Info

Publication number: CN220232528U
Application number: CN202321502221.XU
Authority: CN
Inventors: 王俊
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-06-13
Filing date: 2023-06-13
Publication date: 2023-12-22
Anticipated expiration: 2033-06-13

Abstract

A safety monitoring device comprises a solar cell panel, a storage battery, a laser ranging sensor, a combustible gas detection module and a wireless transmitting circuit module, wherein the safety monitoring device comprises a time control circuit, shielding equipment, a control circuit and a wireless receiving circuit; the shielding equipment comprises a motor speed reducing mechanism and a shielding plate, the lower end of the motor speed reducing mechanism is arranged outside the upper end of the outer shell, and the laser ranging sensor and the combustible gas detection module are respectively arranged at the upper end in the septic tank; the storage battery, the time control circuit, the wireless transmitting circuit module and the control circuit are arranged in the outer shell and are electrically connected, and the wireless receiving circuit is arranged in the monitoring room. The utility model can obtain whether the infrared correlation alarm assembly is in a normal working state; when the height of waste in the septic tank and biogas exceeds standard, the wireless receiving circuit can prompt personnel on duty through audible and visual alarm, and related personnel can be disposed of on site at the first time, so that the safety of communities and the like can be better protected. The utility model has good application prospect.

Description

Safety monitoring device

Technical Field

The utility model relates to the technical field of safety equipment, in particular to a safety monitoring device.

Background

Because the enhancement of people's safety consciousness, security equipment has all been installed to many district houses etc. now for personnel in the illegal entering district etc. of real-time supervision play good safety effect. The infrared correlation alarm assembly is detection alarm equipment arranged on the enclosing wall of a community and the like, when someone illegally climbs over the enclosing wall to enter the community, the person can block infrared light beams emitted by the infrared emitting equipment at one end of the wall, and the infrared receiving equipment at the other end of the wall can output high-level signals to the alarm located in the monitoring room because the infrared light beams are not received, and further, after the monitoring room personnel hear alarm sounds, the personnel can check the monitoring room on site at the first time, so that the risk of theft and damage of property in the community is reduced as much as possible.

With the progress of technology, the technology of alarm equipment for areas such as communities has also been developed to a certain extent, for example, patent number 201020646235.5 and patent name of "a controllable time infrared correlation alarm" in China are issued, the content of which is recorded as "the operation is simple and convenient", the alarm automatically works according to the initially set delay time, and daily switching is not needed. Has higher safety guarantee and avoids the loss caused by forgetting to open the alarm. The energy-saving performance is good, and the energy waste caused by the fact that the infrared correlation alarm continues to work in a time period without alarming is avoided. The above-mentioned patent technology has the advantages of simple operation and energy saving, but the disadvantages due to the structure are obvious, and the utility model is embodied as follows. The method comprises the following steps: the infrared transmitting equipment and the infrared receiving equipment cannot be detected regularly whether to be in a normal working state or not, so that when any part of the infrared transmitting equipment and the infrared receiving equipment has a problem and a related monitoring area enters illegal personnel, the alarm information cannot be effectively detected, and the alarm cannot alarm, so that certain potential safety hazards exist in areas such as a district and the like. And two,: the function is single, whether the biogas exceeds the standard in the septic tank in the community or not and whether the waste in the septic tank reaches the cleaning depth can not be effectively detected, so that accidents such as explosion and the like are easy to occur after sparks are encountered when the biogas exceeds the standard and overflows to the ground; and the staff is required to open the septic tank cover to check the waste depth, so that inconvenience is brought to the staff, and the management cost is correspondingly increased. In summary, it is particularly necessary to provide a monitoring device capable of effectively detecting the depth of waste in a septic tank, whether the phenomenon of biogas exceeding exists or not, and actively detecting whether the infrared correlation alarm assembly is in a normal working state or not.

Disclosure of Invention

In order to overcome the defects that the existing infrared correlation alarm assembly is limited in structure and has single function and can not actively detect whether the infrared correlation alarm assembly is in a normal working state or not, and certain potential safety hazards are brought to the safety of a district, the utility model provides the safety monitoring device which can actively block infrared light beams emitted by infrared emission equipment at certain intervals in application, further, people in duty can sound through an alarm of the infrared correlation alarm assembly within a set time and obtain whether the infrared correlation alarm assembly is in a normal working state or not, and can also detect the height of wastes in a septic tank such as the district and whether biogas exceeds standard or not in real time, thereby playing a better role in protecting the safety of the district and the like.

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

the safety monitoring device comprises a solar cell panel, a storage battery, a laser ranging sensor, a combustible gas detection module and a wireless transmitting circuit module, and is characterized by further comprising a time control circuit, shielding equipment, a control circuit and a wireless receiving circuit; the shielding equipment comprises a motor speed reducing mechanism and a shielding plate, wherein the lower end of the motor speed reducing mechanism is arranged outside the upper end of the outer shell, the lower end of the shielding plate is arranged at the side end of a power output shaft of the motor speed reducing mechanism, the outer shell is arranged on a wall body, and the solar cell panel is arranged on the support frame; the laser ranging sensor and the combustible gas detection module are respectively arranged at the front side end of a fixed plate, and the fixed plate is arranged at the upper end in the septic tank; the storage battery, the time control circuit, the wireless transmitting circuit module and the control circuit are arranged in the outer shell, and the wireless receiving circuit is arranged in the monitoring room; the laser ranging sensor, the signal output end of the combustible gas detection module and the signal input end of the control circuit are electrically connected, the power output end of the time control circuit is electrically connected with the power input end of the motor speed reducing mechanism, and the signal output end of the time control circuit, the signal output end of the control circuit and the two signal input ends of the wireless transmitting circuit module are respectively electrically connected.

Further, the time control circuit comprises two sets of time control switches and relays which are electrically connected, wherein the two ends of the power input of the two sets of time control switches are respectively connected, and the two ends of the power output of the two sets of time control switches are respectively connected with the two ends of the power input of the relay.

Further, the control circuit comprises an electrically connected relay, an adjustable resistor, a resistor and an NPN triode, wherein one end of the adjustable resistor is connected with one end of the first resistor, one end of the second resistor is connected with one end of the second resistor, the other end of the second resistor is connected with the base electrode of the NPN triode, the collector electrode of the NPN triode is connected with the negative power supply input end of the first relay, the negative power supply input end of the second relay is connected with the other end of the first resistor/the emitter electrode of the NPN triode, the control power supply input end of the first relay is connected with the positive power supply input end of the first relay, and the normally closed contact end of the first relay is connected with the positive power supply input end of the second relay.

Further, the laser ranging sensor and the detecting head of the combustible gas detecting module face downwards.

Further, the wireless receiving circuit comprises a power module, a wireless receiving circuit module, buzzers and prompt lamps which are electrically connected, wherein the power output end of the power module is connected with the power input end of the wireless receiving circuit module, and the two power output ends of the wireless receiving circuit module are respectively connected with the power input ends of the two buzzers and the two prompt lamps.

The utility model has the beneficial effects that: the novel infrared correlation alarm assembly is used in cooperation with the existing infrared correlation alarm assembly, in application, a time control circuit can control a power output shaft of a motor speed reducing mechanism to drive a shielding plate to rotate to a horizontal state every certain time, and block infrared light beams emitted by infrared emission equipment, so that on duty indoor personnel can sound through an alarm of the infrared correlation alarm assembly within a set time to obtain whether the infrared correlation alarm assembly is in a normal working state; the laser ranging sensor and the combustible gas detection module can detect the height of waste in a septic tank such as a community in real time and whether biogas exceeds standard, and when any index exceeds a threshold value, the wireless receiving circuit can prompt personnel on duty through audible and visual alarm, and related personnel can be disposed on site at the first time, so that the safety of the community and the like can be better protected. Based on the above, the utility model has good application prospect.

Drawings

The utility model will be further described with reference to the drawings and examples.

Fig. 1 is a schematic diagram of the structure of the present utility model.

Fig. 2 and 3 are circuit diagrams of the present utility model.

Detailed Description

The safety monitoring device comprises a solar panel G1, a storage battery G2, a laser ranging sensor A5, a combustible gas detection module A4, a wireless transmitting circuit module A3, a time control circuit 1, shielding equipment, a control circuit 2 and a wireless receiving circuit 3, wherein the time control circuit 1 is used for detecting the combustible gas; the shielding device comprises a motor speed reducing mechanism M and a shielding plate 4, wherein the lower end of the motor speed reducing mechanism M is arranged outside the upper end of an outer shell 5 through a screw nut, the lower end of the shielding plate 4 is welded at the front side end of a power output shaft of the motor speed reducing mechanism M, the outer shell 5 is arranged at the left side end (without shielding infrared light beams emitted by infrared emission devices) of the middle part of a wall of a community through the screw nut, and a solar cell panel G1 is arranged on a support frame on the ground near the outer shell; the laser ranging sensor A5 and the combustible gas detection module A4 are respectively arranged at the front side end of a fixed plate 6 at a certain distance from left to right, and the fixed plate 6 is arranged at the inner upper end of a septic tank such as a district through four fixed holes at the rear side end of the fixed plate; the storage battery G2, the time control circuit 1, the wireless transmitting circuit module A3 and the control circuit 2 are arranged on a circuit board in the outer shell 5, and the wireless receiving circuit 3 is arranged in the cell monitoring indoor element box 7.

As shown in fig. 1, 2 and 3, the time control circuit comprises two sets of time control switches A1 and A2 and a relay K1 which are connected through circuit board wiring, wherein the two power input ends 1 and 2 pins of the two sets of time control switches A1 and A2 are respectively connected, and the power output ends 3 and 4 pins of the two sets of time control switches A1 and A2 are respectively connected with the two power input ends of the relay K1. The control circuit comprises relays K2 and K3, an adjustable resistor RP1, resistors R1 and R2 and an NPN triode Q1 which are connected through circuit board wiring, one end of the adjustable resistor RP1 is connected with one end of the first resistor R1, one end of the second resistor R2 is connected with the base electrode of the NPN triode Q1, the collector electrode of the NPN triode Q1 is connected with the negative electrode power supply input end of the first relay K3, the negative electrode power supply input end of the second relay K2 is connected with the other end of the first resistor R1 and the emitter electrode of the NPN triode Q1, the control power supply input end of the first relay K3 is connected with the positive electrode power supply input end of the first relay K3, and the normally-closed contact end of the first relay K3 is connected with the positive electrode power supply input end of the second relay K2. The detection head of the laser ranging sensor A5 and the combustible gas detection module A4 faces downwards. The wireless receiving circuit comprises a power supply module A6 and a wireless receiving circuit module A7 which are connected through wiring of a circuit board, buzzers B1 and B2 and prompt lamps H1 and H2, wherein the power supply input ends 1 and 2 pins of the power supply module A6 and the two poles of an alternating current 22V power supply are respectively connected through wires, the power supply output ends 3 and 4 pins of the power supply module A6 and the power supply input ends 1 and 2 pins of the wireless receiving circuit module A7 are respectively connected through wires, and the two power supply output ends 3 and 2 pins, 4 and 2 pins of the wireless receiving circuit module A7 are respectively connected with the power supply input ends of the buzzer B1 and the prompt lamp H1 as well as the power supply input ends of the buzzer B2 and the prompt lamp H2 through wires.

As shown in fig. 1, 2 and 3, the solar panel G1, the two poles of the storage battery G2, the laser ranging sensor A5, the combustible gas detection module A4, the time control circuits A1 and A2, the power input ends 1 and 2 pins of the wireless transmitting circuit module A2, and the positive power input end of the relay K3 of the power input end of the control circuit and the emitter of the NPN triode Q1 are respectively connected through wires. The signal output end 3 pin of the laser ranging sensor A5, the signal output end 3 pin of the combustible gas detection module A4 and the signal input end adjustable resistor RP1 of the control circuit are respectively connected through wires, and the power output ends 3 and 4 pins of the time control circuits A1 and A2 and the positive and negative electrode power input ends of the motor reducing mechanism M1 are respectively connected through wires. The signal output end relay K1 control contact end and normally open contact end of the time control circuit, the signal output end relay K2 control contact end and normally closed contact end of the control circuit and two paths of signal input end transmitting keys S1 and S2 of the wireless transmitting circuit module A3 are connected through wires respectively.

As shown in fig. 1, 2 and 3, the novel infrared correlation alarm is used in cooperation with the existing infrared correlation alarm assembly. At ordinary times, solar cell panel G1 receives illumination to produce the electric energy and charges for battery G2, has guaranteed this novel evening and overcast and rainy day homoenergetic normal operating (and has realized energy-conserving purpose), and battery G2 output's power gets into behind laser range sensor A5, combustible gas detection module A4, time control circuit A1 and A2, wireless transmitting circuit module A2, control circuit's the power input, and above-mentioned equipment gets electric work. After the alternating current 220V power enters the power input end of the power module A6, the 3 and 4 pins of the power module A6 output stable direct current 12V power and enter the 1 and 2 pins of the power input end of the wireless receiving circuit module A7, and the wireless receiving circuit module A7 is powered. When the methane amount in the septic tank is very small, the 3 pin of the combustible gas detection module A4 does not output high level, and then the wireless transmitting circuit module A3 does not transmit a second path of wireless closing signal. When the methane amount in the septic tank is a certain amount, the 3-pin output high level of the combustible gas detection module A4 enters the positive power input end of the relay K2, the relay K2 is electrified to attract the control contact end and the normally open contact end to be closed, and then the wireless transmitting circuit module A3 can transmit a second path of wireless closing signal. When the depth of waste in the septic tank is lower (for example, the distance from the upper end is larger than 30 cm), the voltage signal output by the 3 pin of the laser ranging sensor A5 is higher, the voltage signal is divided by the adjustable resistor RP1 and the resistor R1, the voltage of the resistor R2 is reduced, the current limiting enters the base electrode of the NPN triode Q1 to be higher than 0.7V, the conducting collector electrode of the NPN triode Q1 outputs low level to enter the negative electrode power supply input end of the relay K3, the control contact end and the normally closed contact end of the relay K3 are electrically attracted to open, and then the wireless transmitting circuit module A3 does not transmit a third wireless closing signal. When the depth of waste in the septic tank is higher (for example, the distance from the upper end is smaller than 30 cm), the voltage signal output by the 3 pin of the laser ranging sensor A5 is lower, the voltage signal is divided by the adjustable resistor RP1 and the resistor R1, the voltage is reduced by the resistor R2, the current is limited, the base electrode of the NPN triode Q1 is lower than 0.7V, the cut-off collector electrode of the NPN triode Q1 does not output low level any more, the cut-off collector electrode of the NPN triode Q1 enters the negative electrode power supply input end of the relay K3, the control contact end and the normally closed contact end of the relay K2 are not attracted and closed any more, and then the wireless transmitting circuit module A3 can transmit a second path of wireless closing signal.

As shown in fig. 1, 2 and 3, when biogas exceeds standard or waste in the septic tank is high in the field, the wireless transmitting circuit module A3 transmits a second path of wireless closed signal, and the wireless receiving circuit module A7 outputs a high level through the 4 feet after receiving the signal, so that the second buzzer B2 generates electricity to sound, the second prompting lamp H2 (the light emitting surface is positioned outside the first opening at the front end of the element box 7) generates electricity to visually prompt personnel on duty, the biogas amount of the septic tank exceeds standard or the waste amount is large, the cover of the chemical fertilizer tank is timely opened to discharge biogas or clear waste, the probability that biogas encounters spark deflagration is reduced, convenience is brought to the personnel, and therefore, the safety of a community and the like can be better protected. After the time control switch A1 is powered on, the 3 and 4 feet of the time control switch A1 can output 10 seconds Zhong Dianyuan (with adjustable time) to the positive and negative electrode power input ends of the motor reducing mechanism M every morning at 10 points, so that the power output shaft of the motor reducing mechanism M drives the shielding plate 4 clockwise to rotate to a horizontal state to block infrared light beams emitted by the infrared emitting equipment of the infrared correlation alarm assembly, and then the infrared receiving equipment of the infrared correlation alarm assembly outputs high level to enter the self alarm, and thus, indoor personnel on duty can sound through the alarm at set time for a certain time period to obtain whether the infrared correlation alarm assembly is in a normal working state. The 3, 4 feet of the time control switch A2 can be 10 points in the morning every day after being electrified, 11 seconds are spaced, and the output time of 10 seconds Zhong Dianyuan (time is adjustable) is output to the negative and positive electrode power supply input end of the motor reducing mechanism M, so that the power output shaft of the motor reducing mechanism M (the finished product of the coaxial motor gear reducer with working voltage of 12V and power of 20W) drives the shielding plate 4 to rotate anticlockwise to a vertical state, the infrared light beam emitted by the infrared emitting device is not blocked any more, and further, the infrared receiving device does not output high level to enter the alarm after receiving the infrared light beam, so that the preparation is made for the performance detection of the next-day infrared correlation alarm component. When the 3 and 4 pins of the time control switches A1 and A2 output power, the relay K1 can be electrified to attract the control contact end and the normally open contact end to be closed, and then the wireless transmitting circuit module A3 can transmit a first path of wireless closing signal; the wireless receiving circuit module A7 outputs high level through 3 feet after receiving, thus, the first buzzer B1 is electrified to sound, the first prompting lamp 1 (the luminous surface is positioned outside the first opening at the front end of the element box 7) is electrified to give out light to visually prompt personnel on duty, the infrared correlation alarm assembly is in a performance detection state at the moment, if the alarm of the infrared correlation alarm assembly does not sound, the damage of the infrared correlation alarm assembly is represented, the personnel can overhaul the infrared correlation alarm assembly in time, and the normal monitoring fortification function of the infrared correlation alarm assembly at ordinary times is ensured. In fig. 2 and 3, the power module A6 is a finished product of a switching power module from 220V ac to 12V dc; the indicator lamps H1 and H2 are red indicator lamp finished products with the working voltage of 1W and the direct current of 12V; the buzzers B1 and B2 are active continuous sound buzzing alarm finished products with the model FM 12V; the types of the relays K1, K2 and K3 are DC12V; the model Q1 of the NPN triode is 9013; the resistance values of the resistors R1 and R2 are respectively 10K and 47K; the resistance value of the adjustable resistor RP1 is 470K (in this embodiment, when the resistance value is adjusted to 29.6K and the partial pressure is larger, the NPN triode Q1 is turned on when the waste depth in the septic tank is relatively low, that is, the detection threshold is set relatively large, and when the resistance value is smaller and the partial pressure is smaller, the NPN triode Q1 is turned on when the waste depth in the septic tank is relatively high, that is, the detection threshold is set relatively small); the wireless transmitting circuit module A3 and the wireless receiving circuit module A7 are finished products of wireless receiving and transmitting assemblies of model SF2000, and the wireless signal receiving and transmitting distance is 2000 meters (consistent with the principle of wireless receiving remote control boards for vehicles and the like); the laser ranging sensor A5 is a finished product of a laser ranging sensor module with the model KLH-03T-20hz, and is provided with two power input ends and a signal output end, wherein the voltage signal output by the signal output end is larger and smaller as the distance of the detected object is longer; the flammable gas detection module A4 is a flammable gas detection module of model MQ-2, which has two power input terminals, a signal output terminal that outputs power when flammable gas is detected (has a sensitivity with which the adjustment knob can set the detection).

It should be understood that, although the present disclosure describes embodiments, each embodiment does not include only a separate technical solution, and this description is for clarity only, and those skilled in the art should consider the disclosure as a whole, and the technical solutions in the examples may be appropriately combined to form other embodiments that can be understood by those skilled in the art, and the scope of protection of the present disclosure is defined by the claims.

Claims

1. The safety monitoring device comprises a solar cell panel, a storage battery, a laser ranging sensor, a combustible gas detection module and a wireless transmitting circuit module, and is characterized by further comprising a time control circuit, shielding equipment, a control circuit and a wireless receiving circuit; the shielding equipment comprises a motor speed reducing mechanism and a shielding plate, wherein the lower end of the motor speed reducing mechanism is arranged outside the upper end of the outer shell, the lower end of the shielding plate is arranged at the side end of a power output shaft of the motor speed reducing mechanism, the outer shell is arranged on a wall body, and the solar cell panel is arranged on the support frame; the laser ranging sensor and the combustible gas detection module are respectively arranged at the front side end of a fixed plate, and the fixed plate is arranged at the upper end in the septic tank; the storage battery, the time control circuit, the wireless transmitting circuit module and the control circuit are arranged in the outer shell, and the wireless receiving circuit is arranged in the monitoring room; the laser ranging sensor, the signal output end of the combustible gas detection module and the signal input end of the control circuit are electrically connected, the power output end of the time control circuit is electrically connected with the power input end of the motor speed reducing mechanism, and the signal output end of the time control circuit, the signal output end of the control circuit and the two signal input ends of the wireless transmitting circuit module are respectively electrically connected.

2. The safety monitoring device according to claim 1, wherein the time control circuit comprises two sets of time control switches and a relay which are electrically connected, wherein the two ends of the power input of the two sets of time control switches are respectively connected, and the two ends of the power output of the two sets of time control switches are respectively connected with the two ends of the power input of the relay.

3. The safety monitoring device according to claim 1, wherein the control circuit comprises an electrically connected relay, an adjustable resistor, a resistor and an NPN triode, wherein one end of the adjustable resistor is connected with one end of the first resistor, one end of the second resistor is connected with a base electrode of the NPN triode, a collector electrode of the NPN triode is connected with a negative power supply input end of the first relay, a negative power supply input end of the second relay is connected with an emitter electrode of the first resistor, a control power supply input end of the first relay is connected with a positive power supply input end of the first relay, and a normally closed contact end of the first relay is connected with a positive power supply input end of the second relay.

4. A safety monitoring device according to claim 1, wherein the laser range sensor and the combustible gas detection module are oriented with their detection heads facing downwards.

5. The safety monitoring device according to claim 1, wherein the wireless receiving circuit comprises a power module, a wireless receiving circuit module, a buzzer and a prompting lamp which are electrically connected, wherein a power output end of the power module is connected with a power input end of the wireless receiving circuit module, and two power output ends of the wireless receiving circuit module are respectively connected with power input ends of the two buzzers and the two prompting lamps.