CN106894365B - Urban road guardrail system and working method thereof - Google Patents
Urban road guardrail system and working method thereof Download PDFInfo
- Publication number
- CN106894365B CN106894365B CN201710066170.3A CN201710066170A CN106894365B CN 106894365 B CN106894365 B CN 106894365B CN 201710066170 A CN201710066170 A CN 201710066170A CN 106894365 B CN106894365 B CN 106894365B
- Authority
- CN
- China
- Prior art keywords
- circuit
- guardrail
- energy storage
- pressure spring
- voltage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F15/00—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact
- E01F15/02—Continuous barriers extending along roads or between traffic lanes
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Power Engineering (AREA)
- Photovoltaic Devices (AREA)
- Traffic Control Systems (AREA)
Abstract
The invention relates to an urban road guardrail system and a working method thereof, wherein the system comprises at least 1 guardrail unit and an urban road guardrail state monitoring device; the guardrail units are connected together through a shared upright post; the urban road guardrail state monitoring device comprises a solar component, a detection unit, an energy storage unit and a side pressure spring type switch; the detection unit consists of a burst power supply energy storage circuit, a power supply management circuit, a microprocessor circuit and a wireless communication module. The guardrail posture is normal, the side pressure spring type switch is closed, the detection unit is in a standby state, and the solar assembly charges the energy storage unit; when the guardrail posture is abnormal, the side pressure spring type switch is switched off, the power management circuit of the detection unit controls power supply to the microprocessor circuit, the microprocessor circuit controls the burst power supply energy storage circuit to be charged, the wireless communication module sends out guardrail abnormal information after charging is completed, and the power management circuit enters a low power consumption mode to wait for maintenance after sending is completed. The urban road guardrail system is long in standby.
Description
Technical Field
The invention relates to the field of urban road guardrail maintenance and intelligent monitoring, in particular to an urban road movable guardrail system with a state monitoring device and a working method thereof.
Background
On all kinds of highways, especially urban road, movable road guardrail becomes one of the indispensable traffic setting, and the use amount is huge, distributes widely to lead to the maintenance and the maintenance work load of guardrail huge, and lead to the guardrail to shift because of traffic accident, bad weather, the crouch, the phenomenon of turning on one's side takes place the average rate higher, and extremely difficult is pinpointed in the very first time, brings very big inconvenience for guardrail maintenance work, also produces secondary traffic accident easily, reduces the sense of safety of people's trip. At present, there are also many researches on intelligent management of road traffic guardrails, for example, the invention patent of 'road guardrail impact positioning and alarming system and method based on internet of things' with application publication number CN102063780A discloses a passive query working mode alarming device, which requires that the whole detection unit must be in a polled monitoring mode all the time; for another example, the invention patent of "road traffic guardrail intelligent management system" with application publication No. CN 2013102456208 discloses a complex system based on a three-axis acceleration sensor and a wireless communication mode, wherein a microprocessor, a sensing circuit, an amplifying and driving circuit are always in working states in the working process, and a wireless sending module of the complex system is powered in a controllable mode. However, the urban road guardrail is in a movable state when required to be safe, so that the commercial power cannot be used, in the existing guardrail monitoring result, part of circuits or all the circuits are in a normal working state all the time, so that the problem of high circuit power consumption exists, and the electric energy of an alarm system is easily exhausted in long-time rainy days, particularly in plum rain seasons, so that the alarm function is lost; meanwhile, the system is too complex in design and not beneficial to miniaturization, and is not easy to be installed in a road guardrail or the size of the guardrail is increased, so that the system is not beneficial to road safety.
Disclosure of Invention
The invention aims to provide an urban road guardrail system with low power consumption, long standby time and high safety and a working method thereof.
One of the technical solutions for realizing the object of the present invention is to provide an urban road guardrail system, which comprises at least 1 guardrail unit and an urban road guardrail state monitoring device; each guardrail unit comprises 2 upright posts and a cross beam connected among the 2 upright posts; the guardrail units are connected together through a shared upright post;
the urban road guardrail state monitoring device comprises a solar module, a detection unit, an energy storage unit and at least 1 side pressure spring type switch, wherein the solar module comprises a solar panel; all the side pressure spring type switches are connected in series to form a side pressure spring type switch group;
the detection unit consists of a burst power supply energy storage circuit, a power supply management circuit, a microprocessor circuit and a wireless communication module; the power management circuit of the detection unit consists of a primary voltage stabilizing circuit, an anti-reverse circuit, a grid bias resistor R1, a source resistor R2, a grid bias resistor R3, a source resistor R4, a field-effect tube T1, a field-effect tube T2, a controllable inversion booster circuit and a secondary controllable voltage stabilizing circuit; the reverse connection preventing circuit comprises a diode D1 and a diode D2, wherein the cathode of the diode D1 is connected with the anode of the diode D2; the diode D1 adopts a common rectifier diode, and the diode D2 adopts a Schottky diode; the control switch T1 of the enable end EN of the controllable inversion booster circuit and the control switch T2 of the enable end EN of the secondary controllable voltage stabilizing circuit both adopt insulated gate field effect transistors; the input end of the primary voltage stabilizing circuit is electrically connected with a solar panel of the solar assembly, the output end of the primary voltage stabilizing circuit is electrically connected with the input end of the anti-reverse circuit, namely the anode of the diode D1, the output end of the anti-reverse circuit, namely the cathode of the diode D2, is electrically connected with the input end of the controllable inversion booster circuit, and the cathode of the diode D1 is also electrically connected with the energy storage unit; the enabling end EN of the controllable inverter booster circuit is connected with the source electrode of the field-effect tube T1 and one end of the resistor R2, and the other end of the resistor R2 is connected with a reference point; the drain electrode of the field effect transistor T1 is connected with one end of a resistor R1, the output end of an anti-reverse circuit and the input end of a controllable inversion booster circuit, the other end of the resistor R1 is connected with the grid electrode of the field effect transistor T1 and the output end of a side pressure spring type switch group, and the other end of the side pressure spring type switch group is connected with a reference point; the enabling end EN of the secondary controllable voltage stabilizing circuit is connected with the source electrode of the field-effect transistor T2 and one end of the resistor R4, and the other end of the resistor R4 is connected with a reference point; the drain electrode of the field effect transistor T2 is connected with the output end of the controllable inversion booster circuit and the input end of the secondary controllable voltage stabilizing circuit; one end of the resistor R3 is connected with the grid of the field effect transistor T2, and the other end of the resistor R3 is connected with the microprocessor circuit; the output end of the secondary controllable voltage stabilizing circuit is connected with the input end of the burst power supply energy storage circuit, and the output end of the burst power supply energy storage circuit is electrically connected with the wireless communication module; the output end of the burst power supply energy storage circuit is connected with the microprocessor circuit after voltage division;
the solar component, the detection unit and the energy storage unit of the urban road guardrail state monitoring device are arranged at any 1 guardrail unit, and the position is the installation position of the urban road guardrail state monitoring device; the number of the side pressure spring type switches is 2 times of that of the guardrail units; each side pressure spring switch is arranged at the connecting part of the corresponding upright post and the corresponding cross beam; the stress part of the side pressure spring type switch for switching the switch state is pressed against the side surface of the corresponding upright post.
Furthermore, the urban road guardrail state monitoring device is arranged at a road position which is easy to receive sunlight.
Further, when the posture of the guardrail is in a normal condition, the side pressure spring type switch is in a closed state; when the posture of the guardrail is in an abnormal condition, the side pressure spring switch is switched off.
Furthermore, each guardrail unit also comprises 2 bases, 4 connecting pieces, 2 upright caps and 2 to 10 guardrail pieces; the number of the cross beams is 2; each upright post is arranged on the corresponding base; the connecting piece adopts a flange type connecting sleeve with a neck; after the end parts of the 2 crossbeams are inserted into the necks of the corresponding connecting pieces, the crossbeams are respectively connected with the corresponding connecting side surfaces of the corresponding upright posts through the connecting pieces and bolts; the guardrail pieces are uniformly arranged among the 2 cross beams at intervals; the column caps are mounted on the tops of the respective columns.
Furthermore, the side pressure spring type switches are arranged in the corresponding upright posts and the corresponding cross beams and connecting pieces which are connected with the upright posts.
Furthermore, the urban road guardrail system also comprises a junction box and a battery box; the solar component, the detection unit and the energy storage unit of the urban road guardrail state monitoring device are arranged in the upright post and the corresponding cross beam of the guardrail unit at the installation position; the junction box and the battery box are also arranged in the upright post at the mounting position; the junction box is connected below the column cap supporting plate at the top of the column at the installation position and in the column by fasteners; the detection unit is arranged in the junction box; an isolated energy storage unit space is arranged in the junction box; the energy storage unit is arranged in the battery box, and the battery box is arranged in the energy storage unit space of the junction box;
the solar module also comprises a protective outer cover which is arranged on the light receiving surface side of the solar panel; the upright post cap of the upright post at the mounting position is replaced by a protective outer cover of the solar component, and the protective outer cover is mounted above the upright post at the mounting position through a fastener; solar cell panel passes through the fastener tiling and sets up in the top of the cap backup pad at the stand top of above-mentioned mounted position department, in the protective housing.
Furthermore, the urban road guardrail system also comprises a junction box and a battery box; the detection unit is arranged in the junction box; an isolated energy storage unit space is arranged in the junction box; the energy storage unit is arranged in the battery box, and the battery box is arranged in the energy storage unit space of the junction box; the junction box is externally hung on the guardrail unit beam at the installation position through a fastener; the solar module also comprises a protective outer cover which is arranged on the light receiving surface side of the solar panel; the solar component is externally hung on the outer side surface of any one upright post through a fastener.
Furthermore, the solar cell panel is connected with the detection unit through a lead, and the energy storage unit is connected with the detection unit through a lead; all the side pressure spring switches are connected in series by adopting wires, and the wires among the side pressure spring switches are wired from the insides of all the stand columns and the corresponding cross beams; and the side pressure spring type switch at the installation position is connected with the detection unit through a lead.
Furthermore, the power consumption of the power management circuit in the non-working mode of the primary voltage stabilizing circuit, the anti-reverse circuit, the controllable inversion booster circuit and the secondary controllable voltage stabilizing circuit is in microampere level; the parameter requirements of the primary voltage stabilizing circuit are as follows: the maximum continuous input voltage is 24V, the output voltage is 6V, the typical continuous output is 100mA, and the no-load static maximum current is 7 uA; the wireless communication module adopts a GPRS receiving and transmitting module; the microprocessor circuit adopts a singlechip with an AD conversion circuit; the gate bias resistors R1 and R3 have resistances of 1M Ω, and the source resistors R2 and R4 have resistances of 100K Ω.
Furthermore, the burst power supply energy storage circuit is formed by connecting one or more capacitors in parallel, and the total capacity is greater than or equal to 1000 uF.
Furthermore, the power management circuit is electrically connected with the burst power energy storage circuit and the microprocessor circuit, the burst power energy storage circuit is also electrically connected with the wireless communication module and the microprocessor circuit, and the wireless communication module is also electrically connected with the microprocessor circuit; in addition, the power supply management circuit is also electrically connected with a solar cell panel of the solar assembly, the side pressure spring type switch group and the energy storage unit;
further, the area of the solar cell panel is 4cm by 8cm, and the performance parameters are as follows: when the outdoor illumination intensity of the cloudy day is 500lx, the output open-circuit voltage is 5.5V, and the short-circuit current reaches 5 mA; when the outdoor shady illumination intensity of a sunny day is 10000lx, the output open-circuit voltage is 7V, and the short-circuit current reaches 30 mA; when the outdoor sunshine intensity is 100000lx on a sunny day, the output open-circuit voltage reaches 11V, and the short-circuit current reaches 50 mA.
Furthermore, the flexible antenna of the wireless communication module is attached to the inner side face of the protective outer cover of the solar assembly.
Further, the diode D1 is a common rectifying diode with an operating voltage of 0.6V.
Furthermore, the side pressure spring type switch adopts a surface contact type brass contact, and the resistance is 0.03 omega; 0.2cm is used between two side pressure spring switches 2 The resistance of the multi-strand wire is 0.2 omega/m.
Further, when the posture of the guardrail is in a normal condition, the side pressure spring type switch is in a closed state; when the posture of the guardrail is in an abnormal condition, the side pressure spring switch is switched off.
Furthermore, the energy storage unit adopts 3 or 4 rechargeable batteries.
Furthermore, the burst power supply energy storage circuit adopts a farad capacitor, and the total capacity is greater than or equal to 1000 uF.
Furthermore, the battery box is made of ABS material; the junction box is made of nylon 66 materials, and is waterproof; the detection unit is packaged in the form of a circuit board.
The second technical scheme for realizing the aim of the invention provides a working method of the urban road guardrail system, which comprises the following processes: i, the postures of all guardrail units are in a normal condition, all side pressure spring type switches are closed, the grid voltage of a field effect tube T1 is smaller than the opening voltage, the field effect tube T1 is cut off, and the source electrode of T1 of the field effect tube outputs 0V, so that the enable end EN of the controllable inverter booster circuit is at a low level, no output voltage exists, a subsequent circuit is not powered, and the circuit of the detection unit is in a standby state; the output voltage of a solar panel of the solar assembly charges the energy storage unit through a primary voltage stabilizing circuit and a D1 of the anti-reverse circuit;
II, 1, the posture of the guardrail unit is in an abnormal condition: for example, the upright posts or the cross beams of the guardrail units are laid down and inclined, gaps are formed between the upright posts and the cross beams of one or more guardrail units or the gaps fall off, the corresponding side pressure spring type switches are disconnected, the grid voltage of T1 is approximately equal to the output voltage of the energy storage unit, the grid voltage of T1 is greater than the starting voltage, T1 is conducted, the source electrode of T1 outputs a high level to the enabling end EN of the controllable inversion booster circuit, the controllable inversion booster circuit outputs a voltage of more than 4.5V, one path of the voltage is sent to the power supply circuit of the microprocessor circuit, and the other path of the voltage is sent to the input end of the secondary controllable voltage stabilizing circuit;
II, after the microprocessor circuit is electrified, outputting a high level to a grid electrode of a field effect transistor T2, conducting T2, outputting the high level to an enable end EN of a secondary controllable voltage stabilizing circuit by a source electrode of T2, outputting voltage by the secondary controllable voltage stabilizing circuit, and charging the burst power energy storage circuit;
II, detecting the output voltage of the burst power supply energy storage circuit by the microprocessor circuit through the AD conversion circuit of the microprocessor circuit, comparing the output voltage with a set threshold value, and if the output voltage is smaller than the set threshold value, not completing charging and continuously waiting; if the posture of the guardrail is larger than or equal to the threshold value, the charging is finished, the wireless communication module is started, and the wireless communication module sends out related information of abnormal posture of the guardrail;
II, after the wireless communication module finishes sending the abnormal information of the posture of the guardrail, the microprocessor circuit outputs a low level to a grid of T2, the secondary controllable voltage stabilizing circuit stops working and outputs 0V voltage, and the power management circuit enters a low power consumption mode;
II, 5, the microprocessor circuit enters a shutdown mode to wait for maintenance;
and II, 6, after the maintenance is normal, the postures of all guardrail units are in a normal condition, all side pressure spring switches are closed, the grid electrode of the T1 is in short circuit with a reference point, the T1 is cut off, the source electrode of the T1 outputs a low level to the enable end of the controllable inverter booster circuit EN, and the urban road guardrail state monitoring device continuously enters the state I.
The invention has the positive effects that: (1) the working circuit of the state monitoring device of the urban road guardrail system does not need to be in a normal working state all the time, the power consumption of the circuit is low, long-time standby alarm monitoring can be realized in long-time rainy days, particularly in plum rain seasons, and the safety is good.
(2) The state monitoring device of the urban road guardrail system is miniaturized in design and is packaged in a junction box, so that the state monitoring device is easy to install in a road guardrail, cannot increase the volume of the guardrail and is favorable for road safety.
(3) The state monitoring device of the urban road guardrail system adopts a combination mode of the solar cell panel, the energy storage unit and the burst power supply energy storage circuit, can provide a pulsating power supply which can reach 2A/5V instantly, and starts from the power consumption requirements of various microprocessor circuits and wireless communication modules.
(4) The state monitoring device of the urban road guardrail system adopts a two-stage voltage stabilizing and one-stage controllable inversion booster circuit, so that the device can be connected to a solar cell panel with a dynamic range of 5V-24V, and the device can still work normally even if the voltage of an energy storage battery is as low as 2.8V.
(5) When a side pressure spring type switch of the state monitoring device of the urban road guardrail system is closed, an enabling end EN of the controllable inversion booster circuit is at a low level, the controllable inversion booster circuit does not output, and normal standby current is smaller than 20 uA; the standby time is up to 40 days, and the problem of no sunlight for a long time in plum rainy season is solved. And the control of the second-stage controllable voltage stabilizing circuit ensures that the standby time of the alarm state is as long as 7 days.
Drawings
FIG. 1 is a schematic circuit diagram of an urban road guardrail state monitoring device of the invention;
FIG. 2 is an electrical schematic diagram of the power management circuit, the solar module, the side compression spring switch, and the energy storage unit according to the present invention;
FIG. 3 is a schematic flow chart of a monitoring method of the urban road guardrail state monitoring device;
FIG. 4 is a schematic perspective view (partially in section) of the urban road guardrail system according to the present invention;
FIG. 5 is an enlarged view of the point B in FIG. 4;
FIG. 6 is a schematic structural view (front view) of the urban road guardrail condition monitoring device, the upright posts, the base, the connecting pieces, the junction box and the battery box at the installation position of the urban road guardrail system in FIG. 4;
FIG. 7 is a cross-sectional view taken along plane A-A of FIG. 6;
fig. 8 is a schematic perspective view (partially in section) of an urban road guardrail system according to the invention.
The reference numbers in the above figures are as follows:
the solar module 101, the solar panel 1011, the protective enclosure 1012,
a detection unit 102, a burst power storage circuit 1021, a power management circuit 1022, a microprocessor circuit 1023, a wireless communication module 1024,
a side pressure spring type switch 103, an energy storage unit 104,
a guardrail unit 1, a vertical column 11, a base 12, a beam 13, a connecting piece 14, a vertical column cap 15, a guardrail sheet 16,
a junction box 2, a battery box 3 and a lead 4.
Detailed Description
(example 1)
Referring to fig. 1, the urban road guardrail state monitoring device of the embodiment comprises a solar module 101, a detection unit 102, an energy storage unit 104 and at least 1 side compression spring type switch 103. See fig. 5, where the solar module 101 includes a solar panel 1011 and a protective enclosure 1012. The area of the solar cell panel 1011 is 4cm by 8cm, and the performance parameters are as follows: when the outdoor illumination intensity of the cloudy day is 500lx, the output open-circuit voltage is 5.5V, and the short-circuit current reaches 5mA, so that even if a fine current can provide enough standby current for the circuit in the cloudy day, a weak charging current can be used for charging the energy storage unit 104; when the outdoor shady illumination intensity is 10000lx in sunny days, the output open-circuit voltage is 7V, the short-circuit current reaches 30mA, and a Li-MH battery with 900mAH can be fully charged in 4 days; when the outdoor sunshine intensity is 100000lx in sunny days, the output open-circuit voltage reaches 11V, the short-circuit current reaches 50mA, and a 1300mAH Li-MH battery can be fully charged in 2 days. The protective enclosure 1012 is made of a light-transmitting material, such as transparent PVC, and has waterproof, antifogging, and breathable functions. The protective cover 1012 is provided on the light receiving surface side of the solar cell panel 1011. The energy storage unit 104 adopts 3 or 4 rechargeable batteries. The side reed switches 103 are connected in series to form a group of side reed switches 103. In the present embodiment, the side pressure spring switch 103 is a "trigger switch" disclosed in CN201620199980.7, entitled "road guardrail with trigger switch", and manufactured by Jiangsu Shundah traffic facilities, Inc.
Still referring to fig. 1, the detecting unit 102 is composed of a burst power energy storage circuit 1021, a power management circuit 1022, a microprocessor circuit 1023 and a wireless communication module 1024, wherein the power management circuit 1022 is electrically connected to the burst power energy storage circuit 1021 and the microprocessor circuit 1023, the burst power energy storage circuit 1021 is also electrically connected to the wireless communication module 1024 and the microprocessor circuit 1023, and the wireless communication module 1024 is also electrically connected to the microprocessor circuit 1023; the power management circuit 1022 is also electrically connected to the solar cell panel 1011 of the solar module 101, the side reed switch 103, and the energy storage unit 104. The burst power supply energy storage circuit 1021 is formed by connecting one or more large-capacity capacitors in parallel, and the total capacity is larger than or equal to 1000 uF; the wireless communication module 1024 adopts a miniaturized dual-frequency GSM/GPRS handset module with the model of SIM900A to complete information transceiving. The microprocessor circuit 1023 adopts any 51 series single chip microcomputer, such as C8051F340, STC89C51, ATM8052 and the like, or a Cortex series processor circuit based on an ARM core, or other PIC series, LPC series, AVR series 8-bit, 16-bit and 32-bit processor circuits, and the microprocessor circuit 1023 is provided with an AD conversion circuit.
Referring to fig. 2, the power management circuit 1022 of the detection unit 102 is composed of a primary voltage stabilizing circuit, an anti-reverse connection circuit, a gate bias resistor R1, a source resistor R2, a gate bias resistor R3, a source resistor R4, a field effect transistor T1, a field effect transistor T2, a controllable inverter boost circuit and a secondary controllable voltage stabilizing circuit, and power consumption of the primary voltage stabilizing circuit, the anti-reverse connection circuit, the controllable inverter boost circuit and the secondary controllable voltage stabilizing circuit is in the microampere level in the non-working mode. The parameter requirements of the primary voltage stabilizing circuit are as follows: the maximum continuous input voltage is 24V, the output voltage is 6V, the typical continuous output is 100mA, the no-load static maximum current is 7uA, the requirement of wide input voltage and low power consumption is met, and a certain current can be provided for the energy storage unit 104 and a standby mode subsequent circuit even in a low-illumination cloudy day, for example, a voltage stabilizing circuit with the model number of HS7150 is adopted. The reverse connection preventing circuit comprises a diode D1 and a diode D2, wherein the cathode of the diode D1 is connected with the anode of the diode D2; the diode D1 is a common rectifier diode with a working voltage of about 0.6V, such as a rectifier diode with a model number of M7(1N4007), so as to ensure that the voltage applied to the energy storage unit 104 does not exceed 5.4V; the diode D2 of the reverse connection prevention circuit is a schottky diode with low working voltage, low power consumption, low internal resistance and high efficiency, such as SS12, SS13, SS14S, SR120S, SR130S, SR140, SB120, SB130, SB140, and the like, so as to ensure that the voltage of the energy storage unit 104 is applied to the controllable inverter boost circuit to the maximum extent. The controllable inversion booster circuit adopts a controllable inversion booster circuit scheme with the model number of NCP1402 or NCP 1403; the secondary controllable voltage stabilizing circuit adopts an adjustable circuit scheme with the model of LM2575 or LM 2576. The control switch T1 of the enable end EN of the controllable inversion booster circuit and the control switch T2 of the enable end EN of the secondary controllable voltage stabilizing circuit both adopt voltage-controlled low-opening-voltage Vgs and low-on-resistance insulated gate field effect transistors, the resistance values of the gate bias resistors R1 and R3 are 1M omega, and the resistance values of the source resistors R2 and R4 are 100K omega. The input end of the primary voltage stabilizing circuit is electrically connected with a solar panel 1011 of the solar component 101, the output end of the primary voltage stabilizing circuit is electrically connected with the input end of the anti-reverse circuit, namely the anode of the diode D1, the output end of the anti-reverse circuit, namely the cathode of the diode D2, is electrically connected with the input end of the controllable inversion booster circuit, and the cathode of the diode D1 is also electrically connected with the energy storage unit 104; the enabling end EN of the controllable inverter booster circuit is connected with the source electrode of the field-effect tube T1 and one end of the resistor R2, and the other end of the resistor R2 is connected with a reference point; the drain electrode of the field effect transistor T1 is connected with one end of a resistor R1, the output end of an anti-reverse circuit and the input end of a controllable inversion booster circuit, the other end of the resistor R1 is connected with the grid electrode of the field effect transistor T1 and the output end of the side pressure spring switch 103 group, and the other end of the side pressure spring switch 103 group is connected with a reference point; the enabling end EN of the secondary controllable voltage stabilizing circuit is connected with the source electrode of the field-effect transistor T2 and one end of the resistor R4, and the other end of the resistor R4 is connected with a reference point; the drain electrode of the field effect transistor T2 is connected with the output end of the controllable inversion booster circuit and the input end of the secondary controllable voltage stabilizing circuit; one end of the resistor R3 is connected with the grid of the field effect transistor T2, and the other end of the resistor R3 is connected with the microprocessor circuit 1023; the output end of the secondary controllable voltage stabilizing circuit is connected with the input end of the burst power energy storage circuit 1021, and the output end of the burst power energy storage circuit 1021 is electrically connected with the wireless communication module 1024. The output end of the burst power supply energy storage circuit 1021 is connected with the microprocessor circuit 1023 after voltage division.
The number of the side pressure spring type switches 103 is at least1, when the number of the side pressure spring type switches 103 exceeds 1, all the side pressure spring type switches 103 are connected in series. The side pressure spring type switch 103 is in a plug and socket mode and is arranged inside the guardrail upright post connecting piece and the guardrail cross beam, and the stress part of the side pressure spring type switch 103 is abutted against the corresponding upright post side; the side pressure spring switches 103 in the plurality of columns and beams may be connected in series by a wire. When the posture of the guardrail is in a normal condition, the side pressure spring type switch 103 is in a closed state, which is equivalent to a normally closed switch; when the posture of the guardrail is in an abnormal condition, a gap is formed between the upright post and the cross beam of the guardrail or the guardrail falls off, and the side pressure spring switch 103 is switched off. The side pressure spring switch 103 adopts a surface contact type brass contact, the resistance is about 0.03 omega, and 0.2cm is used between two upright posts 2 The resistance of the multi-strand wire is about 0.2 omega/m. Even if the total length of the guardrail is 1km, the guardrail is divided into 303 groups, and the total resistance of the side pressure spring switch 103 and the lead is about 210 omega, the field effect transistor T1 of the power management module 1022 in the detection unit 102 can be ensured to be cut off and have no output voltage under the normal condition of the guardrail.
The solar module 101 is arranged at the top end of the guardrail column, the detection unit 102 and the energy storage unit 104 are arranged inside the guardrail column, and the flexible antenna of the wireless communication module 1024 is attached to the inner side face of the protective outer cover 1012 of the solar module 101.
Referring to fig. 3, the monitoring method of the urban road guardrail state monitoring device is as follows:
i, all the guardrails are in a normal state, all the side pressure spring switches 103 are closed, the grid voltage of the field effect transistor T1 is smaller than the opening voltage, the field effect transistor T1 is cut off, and the source electrode of the T1 of the field effect transistor outputs 0V, so that the enable end EN of the controllable inverter booster circuit is at a low level, no output voltage exists, a subsequent circuit is not powered on, and the circuit of the detection unit 102 is in a standby state; the output voltage of the solar panel 1011 of the solar module 101 charges the energy storage unit 104 through the primary voltage stabilizing circuit and the anti-reverse circuit D1;
II, 1, the posture of the guardrail is in an abnormal condition: for example, the upright posts or the cross beams of the guardrails are laid down or inclined, a gap is formed between or falls off from one or more upright posts and the cross beams of the guardrails, the corresponding side pressure spring switch 103 is switched off, the grid voltage of the T1 is approximately equal to the output voltage of the energy storage unit 104, the grid voltage of the T1 is greater than the starting voltage, the T1 is switched on, the source electrode of the T1 outputs a high level to the enabling end EN of the controllable inversion booster circuit, the controllable inversion booster circuit outputs a voltage of more than 4.5V, one path of the voltage is sent to the microprocessor circuit 1023 power supply circuit, and the other path of the voltage is sent to the input end of the secondary controllable voltage stabilizing circuit;
II, 2, after the microprocessor circuit 1023 is powered on, outputting a high level to a grid electrode of a field effect transistor T2, enabling a T2 to be conducted, outputting the high level to an enabling end EN of a secondary controllable voltage stabilizing circuit by a source electrode of the T2, outputting voltage by the secondary controllable voltage stabilizing circuit, and charging the burst power energy storage circuit 1021;
II, 3, detecting the output voltage of the burst power supply energy storage circuit 1021 by the microprocessor circuit 1023 through the AD conversion circuit of the microprocessor circuit 1023, comparing the output voltage with a set threshold value, and if the output voltage is smaller than the threshold value, continuing to wait after the charging is not finished; if the current state is larger than or equal to the threshold value, the charging is finished, the wireless communication module 1024 is started, and the wireless communication module 1024 sends out related information of abnormal guardrail postures;
II, 4, after the wireless communication module 1024 finishes sending the abnormal information of the posture of the guardrail, the microprocessor circuit 1023 outputs a low level to a grid electrode of T2, the secondary controllable voltage stabilizing circuit stops working, 0V voltage is output, and the power management circuit 1022 enters a low power consumption mode;
II, 5, the microprocessor circuit 1023 enters a shutdown mode to wait for maintenance;
and II, 6, after the maintenance is normal, all the guardrail postures are in a normal condition, all the side pressure spring switches 103 are closed, the grid electrode of the T1 is short-circuited to the reference point, the T1 is cut off, the source electrode of the T1 outputs a low level to the enabling end of the controllable inversion booster circuit EN, and the urban road guardrail state monitoring device continuously enters the state I.
This example specifically: in step I, all the guardrails are in a normal state, all the side pressure spring switches 103 are closed, the voltage of the output voltage of the energy storage unit 104 after the voltage is divided by the total resistance of the resistor R1 and the side pressure spring switch 103 is less than 0.5V, the voltage is applied to the grid of the FET T1, the grid voltage of the FET T1 is less than the opening voltage, the FET T1 is cut off, and the source of the T1 of the FET outputs 0V, so that the enable end EN of the controllable inverter booster circuit is at a low level, no output voltage exists, the subsequent circuits cannot be powered, and the circuits of the detection unit 102 are in a standby state; the output voltage of the solar panel 1011 of the solar module 101 charges the energy storage unit 104 through the primary voltage stabilizing circuit and the anti-reverse circuit D1;
in II, the guardrail posture is in abnormal conditions: for example, the upright posts or the cross beams of the guardrails are laid down or inclined, a gap is formed between or falls off from one or more of the upright posts and the cross beams of the guardrails, the corresponding side pressure spring switch 103 is switched off, the grid voltage of the T1 is approximately equal to the output voltage of the energy storage unit 104, the T1 is switched on, the voltage on the resistor R2 is greater than 2.5V, the controllable inverter boosting circuit boosts the voltage from 3V to 5V to 5.3V, and the microprocessor circuit 1023 starts to operate when power is obtained. The I/O port of the microprocessor circuit 1023 connected with the grid of the T2 is in an open-drain working mode, when the microprocessor of the microprocessor circuit 1023 is powered on, a logic 1 is output, the grid voltage of the T1 is approximately equal to 5.3V, the enable end EN of the secondary controllable voltage stabilizing circuit is effective, 4.2V voltage is output, and the burst power energy storage circuit 1021 is charged; an internal AD conversion circuit of the microprocessor circuit 1023 detects the charging degree of the burst power supply energy storage circuit 1021, and when the charging reaches 4.2V, the microprocessor of the microprocessor circuit 1023 sends the guardrail attitude abnormal information through the wireless communication module 1024; after the abnormal information of the posture of the guardrail is sent, the I/O port of the microprocessor circuit 1023 outputs low level, the grid voltage of the T2 is smaller than 1V, the T2 is cut off, the voltage of the resistor R4 is approximate to 0V, the secondary controllable voltage stabilizing circuit is in standby, and 0V voltage is output.
(example 2)
This embodiment is substantially the same as embodiment 1, except that: the burst power supply tank 1021 employs a farad capacitor.
(example 3)
This embodiment is substantially the same as embodiment 1 or 2, except that: the solar component 101, the detection unit 102 and the energy storage unit 104 are partially or completely hung at any position of the guardrail.
(example 4)
Referring to fig. 4 and 5, the urban road guardrail system of the present embodiment includes at least 1 guardrail unit 1, a junction box 2, a battery box 3, and the urban road guardrail state monitoring device obtained from embodiment 1 or 2, and further includes a corresponding number of wires for circuit connection. In this embodiment, the total length of the guard rail part of the urban road guard rail system is 1km, which is divided into 303 guard rail units 1, and the total resistance of all the side pressure spring switches 103 and the wires is about 210 Ω.
Each guardrail unit 1 comprises 2 uprights 11, 2 bases 12, 2 cross-members 13, 4 connecting members 14, 2 upright caps 15 and 2 to 10 guardrail sheets 16, see fig. 6 and 7. Each upright 11 is mounted on a respective base 12. The connecting piece 14 adopts a neck flange type connecting sleeve. After the end parts of the 2 cross beams 13 are inserted into the neck parts of the corresponding connecting pieces 14, the 2 cross beams 13 are respectively connected with the corresponding connecting side surfaces of the corresponding upright posts 11 through the connecting pieces 14 and bolts from top to bottom. The post caps 15 are mounted on top of the respective posts 11. The guardrail sheets 16 are arranged between the 2 cross beams 13 at even intervals. The guardrail units 1 are connected together by a common upright post 11.
The urban road guardrail state monitoring device only needs one set, the solar energy component 101, the detection unit 102 and the energy storage unit 104 of the urban road guardrail state monitoring device are arranged in any 1 upright post 11 and the corresponding cross beam 13 of any 1 guardrail unit 1, the position is an installation position, the urban road guardrail state monitoring device is preferably arranged at a road position which is easy to receive sunlight, and the upright post cap 15 of the upright post 11 where the urban road guardrail state monitoring device is arranged needs to be replaced by the protective outer cover 1012 of the solar energy component 101. In this embodiment, if the number of the guardrail units 1 is 303, the number of the side reed switches 103 is 2 × 303= 606. Each side compression spring switch 103 is installed in each 1 upright post 11 and the corresponding cross beam 13 and connecting piece 14 connected, and the upper cross beam or the lower cross beam 13 can be selected, and the upper cross beam 13 is optimized. The junction box 2 and the battery box 3 are also arranged in the upright post 11 of the urban road guardrail state monitoring device. Referring to fig. 4, the protective enclosure 1012 of the solar module 101 is mounted above the vertical column 11 at the mounting position by fasteners, and is waterproof, antifogging, and breathable. The solar panels 1011 are laid flat by fasteners above the cap support plate at the top of the column 11 in the installed position, within the protective enclosure 1012. The junction box 2 is made of nylon 66 materials and is waterproof; the junction box 2 is connected below the column cap support plate at the top of the column 11 at the installation position and in the column 11 by fasteners. The detection unit 102 is packaged in the form of a circuit board, and the circuit board of the detection unit 102 is disposed inside the junction box 2. An isolated energy storage unit space is arranged in the junction box 2; the battery box 3 is made of ABS material; the energy storage unit 104 is disposed in the battery case 3, and the battery case 3 is disposed in the energy storage unit space of the junction box 2. The solar panel 1011 is connected with the detection unit 102 by a wire 4, and the energy storage unit 104 is connected with the detection unit 102 by a wire 4. The force-receiving portion of the side pressure spring switch 103 for switching the switch state abuts on the side surface of the corresponding column 11. All the side pressure spring type switches 103 are connected in series by adopting the wires 4, and the wires 4 between the side pressure spring type switches 103 are routed from the inside of all the upright posts 11 and the corresponding cross beams 13. The side pressure spring switch 103 at the mounting position is connected to the circuit board of the detection unit 102 through a wire 4.
The working method of the urban road guardrail system is as follows:
i, when the postures of all guardrail units 1 are in a normal condition, all side pressure spring type switches 103 are closed, the grid voltage of a field effect tube T1 is smaller than the opening voltage, the field effect tube T1 is cut off, and the source electrode of the T1 of the field effect tube outputs 0V, so that the enable end EN of the controllable inverter booster circuit is at a low level, no output voltage exists, a subsequent circuit cannot be powered, and the circuit of the detection unit 102 is in a standby state; the output voltage of the solar panel 1011 of the solar module 101 charges the energy storage unit 104 through the primary voltage stabilizing circuit and the anti-reverse circuit D1;
II, 1, the posture of the guardrail unit is in an abnormal condition: for example, the upright post 11 or the cross beam 13 of the guardrail unit 1 is laid and inclined, a gap is formed between or falls off from the upright post 11 and the cross beam 13 of one or more guardrail units, the corresponding side pressure spring switch 103 is switched off, the grid voltage of the T1 is approximately equal to the output voltage of the energy storage unit 104, the grid voltage of the T1 is greater than the opening voltage, the T1 is switched on, the source electrode of the T1 outputs a high level to the enabling end EN of the controllable inverter booster circuit, the controllable inverter booster circuit outputs a voltage of more than 4.5V, one path of the voltage is sent to the power supply circuit of the microprocessor circuit 1023, and the other path of the voltage is sent to the input end of the secondary controllable voltage stabilizing circuit;
II, 2, after the microprocessor circuit 1023 is powered on, outputting a high level to a grid electrode of a field effect transistor T2, enabling a T2 to be conducted, outputting the high level to an enabling end EN of a secondary controllable voltage stabilizing circuit by a source electrode of the T2, outputting voltage by the secondary controllable voltage stabilizing circuit, and charging the burst power energy storage circuit 1021;
II, 3, detecting the output voltage of the burst power supply energy storage circuit 1021 by the microprocessor circuit 1023 through the AD conversion circuit of the microprocessor circuit 1023, comparing the output voltage with a set threshold value, and if the output voltage is smaller than the threshold value, continuing to wait after the charging is not finished; if the current state is larger than or equal to the threshold value, the charging is finished, the wireless communication module 1024 is started, and the wireless communication module 1024 sends out related information of abnormal guardrail postures;
II, 4, after the wireless communication module 1024 finishes sending the abnormal information of the posture of the guardrail, the microprocessor circuit 1023 outputs a low level to a grid electrode of T2, the secondary controllable voltage stabilizing circuit stops working and outputs 0V voltage, and the power management circuit 1022 enters a low power consumption mode;
II, 5, the microprocessor circuit 1023 enters a shutdown mode to wait for maintenance;
II, 6, after the maintenance is normal, the postures of all the guardrail units 1 are in a normal condition, all the side pressure spring switches 103 are closed, the grid of the T1 is short-circuited to the reference point, the T1 is cut off, the source of the T1 outputs a low level to the enabling end of the controllable inverter booster circuit EN, and the urban road guardrail state monitoring device continuously enters the state I.
(example 5)
Referring to fig. 8, this embodiment is substantially the same as embodiment 4 except that: the junction box 2 is externally hung on any one beam 13 through a fastener, and is arranged on a certain lower beam in the embodiment; the solar component 101 is externally hung on the outer side surface of any one upright post 11 through a fastener.
It should be understood that the above examples are only for clearly illustrating the present invention and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And such obvious variations or modifications which fall within the spirit of the invention are intended to be covered by the scope of the present invention.
Claims (10)
1. The utility model provides an urban road guardrail system which characterized in that: comprises at least 1 guardrail unit (1) and a monitoring device for the guardrail state of the urban road; each guardrail unit (1) comprises 2 upright posts (11) and a cross beam (13) connected between the 2 upright posts (11); the guardrail units (1) are connected together through a shared upright post (11);
the urban road guardrail state monitoring device comprises a solar module (101), a detection unit (102), an energy storage unit (104) and at least 1 side pressure spring type switch (103), wherein the solar module (101) comprises a solar panel (1011); all the side pressure spring type switches (103) are connected in series to form a side pressure spring type switch (103) group;
the detection unit (102) is composed of a burst power supply energy storage circuit (1021), a power supply management circuit (1022), a microprocessor circuit (1023) and a wireless communication module (1024); the power management circuit (1022) of the detection unit (102) consists of a primary voltage stabilizing circuit, an anti-reverse circuit, a grid bias resistor R1, a source resistor R2, a grid bias resistor R3, a source resistor R4, a field effect tube T1, a field effect tube T2, a controllable inversion booster circuit and a secondary controllable voltage stabilizing circuit; the reverse connection preventing circuit comprises a diode D1 and a diode D2, wherein the cathode of the diode D1 is connected with the anode of the diode D2; the diode D1 adopts a common rectifier diode, and the diode D2 adopts a Schottky diode; the control switch T1 of the enable end EN of the controllable inversion booster circuit and the control switch T2 of the enable end EN of the secondary controllable voltage stabilizing circuit both adopt insulated gate field effect transistors; the input end of the primary voltage stabilizing circuit is electrically connected with a solar cell panel (1011) of the solar component (101), the output end of the primary voltage stabilizing circuit is electrically connected with the input end of the anti-reverse circuit, namely the anode of the diode D1, the output end of the anti-reverse circuit, namely the cathode of the diode D2, is electrically connected with the input end of the controllable inversion booster circuit, and the cathode of the diode D1 is also electrically connected with the energy storage unit (104); the enabling end EN of the controllable inverter booster circuit is connected with the source electrode of the field-effect tube T1 and one end of the resistor R2, and the other end of the resistor R2 is connected with a reference point; the drain electrode of the field effect transistor T1 is connected with one end of a resistor R1, the output end of an anti-reverse circuit and the input end of a controllable inversion booster circuit, the other end of the resistor R1 is connected with the grid electrode of the field effect transistor T1 and the output end of a side pressure spring type switch (103) group, and the other end of the side pressure spring type switch (103) group is connected with a reference point; the enabling end EN of the secondary controllable voltage stabilizing circuit is connected with the source electrode of the field-effect transistor T2 and one end of the resistor R4, and the other end of the resistor R4 is connected with a reference point; the drain electrode of the field effect transistor T2 is connected with the output end of the controllable inversion booster circuit and the input end of the secondary controllable voltage stabilizing circuit; one end of the resistor R3 is connected with the grid of the field effect transistor T2, and the other end of the resistor R3 is connected with the microprocessor circuit (1023); the output end of the secondary controllable voltage stabilizing circuit is connected with the input end of the burst power energy storage circuit (1021), and the output end of the burst power energy storage circuit (1021) is electrically connected with the wireless communication module (1024); the output end of the burst power supply energy storage circuit (1021) is connected with a microprocessor circuit (1023) after voltage division;
the solar energy assembly (101), the detection unit (102) and the energy storage unit (104) of the urban road guardrail state monitoring device are arranged at any 1 guardrail unit (1), and the positions of the guardrail units (1) where the solar energy assembly (101), the detection unit (102) and the energy storage unit (104) are arranged are installation positions of the urban road guardrail state monitoring device; the number of the side pressure spring type switches (103) is 2 times of that of the guardrail units (1); each side pressure spring type switch (103) is arranged at the connecting part of the corresponding upright post (11) and the corresponding cross beam (13); the force-bearing part of the side pressure spring type switch (103) for switching the switch state is pressed against the side surface of the corresponding upright post (11).
2. The urban road guardrail system of claim 1, wherein: each guardrail unit (1) also comprises 2 bases (12), 4 connecting pieces (14), 2 upright caps (15) and 2-10 guardrail sheets (16); the number of the cross beams (13) is 2; each upright (11) is mounted on a corresponding base (12); the connecting piece (14) adopts a flange type connecting sleeve with a neck; after the end parts of the 2 cross beams (13) are inserted into the neck parts of the corresponding connecting pieces (14), the end parts are respectively connected with the corresponding connecting side surfaces of the corresponding upright columns (11) through the connecting pieces (14) and bolts; the guardrail pieces (16) are uniformly arranged among the 2 cross beams (13) at intervals; the upright post caps (15) are mounted on the tops of the respective upright posts (11).
3. The urban road guardrail system of claim 2, wherein: the side pressure spring type switch (103) is arranged in the corresponding upright post (11) and the corresponding cross beam (13) and connecting piece (14) which are connected.
4. The urban road guardrail system of claim 2, wherein: the battery box also comprises a junction box (2) and a battery box (3); the solar component (101), the detection unit (102) and the energy storage unit (104) of the urban road guardrail state monitoring device are arranged in the upright column (11) and the corresponding cross beam (13) of the guardrail unit (1) at the installation position; the junction box (2) and the battery box (3) are also arranged in the upright post (11) at the mounting position; the junction box (2) is connected below the column cap supporting plate at the top of the column (11) at the mounting position and in the column (11) by fasteners; the detection unit (102) is arranged in the junction box (2); an isolated energy storage unit space is arranged in the junction box (2); the energy storage unit (104) is arranged in the battery box (3), and the battery box (3) is arranged in the energy storage unit space of the junction box (2);
the solar module (101) further comprises a protective cover (1012), wherein the protective cover (1012) is arranged on the light receiving surface side of the solar panel (1011); the upright post cap (15) of the upright post (11) at the mounting position is replaced by a protective outer cover (1012) of the solar component (101), and the protective outer cover (1012) is mounted above the upright post (11) at the mounting position through a fastener; the solar cell panel (1011) is tiled by fasteners above the cap support plate at the top of the column (11) at the mounting location within the protective enclosure (1012).
5. The urban road guardrail system of claim 1, wherein: the battery box also comprises a junction box (2) and a battery box (3); the detection unit (102) is arranged in the junction box (2); an isolated energy storage unit space is arranged in the junction box (2); the energy storage unit (104) is arranged in the battery box (3), and the battery box (3) is arranged in the energy storage unit space of the junction box (2); the junction box (2) is externally hung on a cross beam (13) of the guardrail unit (1) at the installation position through a fastener; the solar module (101) further comprises a protective cover (1012), wherein the protective cover (1012) is arranged on the light receiving surface side of the solar panel (1011); the solar component (101) is externally hung on the outer side surface of any one upright post (11) through a fastener.
6. The urban road guardrail system of claim 1, wherein: the solar cell panel (1011) is connected with the detection unit (102) through a wire (4), and the energy storage unit (104) is connected with the detection unit (102) through a wire (4); all the side pressure spring type switches (103) are connected in series by adopting wires (4), and the wires (4) between the side pressure spring type switches (103) are wired from the insides of all the upright columns (11) and the corresponding cross beams (13); and the side pressure spring type switch (103) at the mounting position is connected with the detection unit (102) through a lead (4).
7. The urban road guardrail system of claim 1, wherein: the power consumption of the power management circuit (1022) in the non-working mode of the primary voltage stabilizing circuit, the anti-reverse circuit, the controllable inversion booster circuit and the secondary controllable voltage stabilizing circuit is in microampere level; the parameter requirements of the first-level voltage stabilizing circuit are as follows: the maximum continuous input voltage is 24V, the output voltage is 6V, the typical continuous output is 100mA, and the no-load static maximum current is 7 uA; the wireless communication module (1024) adopts a GPRS receiving and transmitting module; the microprocessor circuit (1023) adopts a singlechip with an AD conversion circuit; the gate bias resistors R1 and R3 have resistances of 1M Ω, and the source resistors R2 and R4 have resistances of 100K Ω.
8. The urban road guardrail system of claim 1, wherein: the burst power supply energy storage circuit (1021) is formed by one or more capacitors in parallel connection, and the total capacity is larger than or equal to 1000 uF.
9. The urban road guardrail system of claim 1, wherein: the side pressure spring type switch (103) adopts a surface contact type brass contact, and the resistance is 0.03 omega; 0.2cm is used between the two side pressure spring type switches (103) 2 The resistance of the multi-strand wire is 0.2 omega/m.
10. A method of operating an urban road guardrail system according to any one of claims 1 to 9, characterized in that it comprises the following steps: i, the postures of all guardrail units (1) are in a normal condition, all side pressure spring type switches (103) are closed, the grid voltage of a field effect tube T1 is smaller than the opening voltage, the field effect tube T1 is cut off, and the source electrode of T1 of the field effect tube outputs 0V, so that the enable end EN of the controllable inverter booster circuit is at a low level, no output voltage exists, a subsequent circuit cannot be powered, and the circuit of the detection unit (102) is in a standby state; the output voltage of a solar panel (1011) of the solar assembly (101) charges the energy storage unit (104) through a primary voltage stabilizing circuit and a diode D1 of an anti-reverse circuit;
II, 1, the posture of the guardrail unit is in an abnormal condition: the upright posts (11) or the cross beams (13) of the guardrail units (1) are horizontally laid and inclined, a gap is reserved between the upright posts (11) and the cross beams (13) of one or more guardrail units, or the side pressure spring type switches (103) are switched off, the grid voltage of the field effect transistor T1 is approximately equal to the output voltage of the energy storage unit (104), the grid voltage of the field effect transistor T1 is larger than the starting voltage, the field effect transistor T1 is switched on, the source electrode of the field effect transistor T1 outputs high level to the enabling end EN of the controllable inverter booster circuit, the controllable inverter booster circuit outputs voltage of more than 4.5V, one path of the voltage is sent to a power supply circuit of a microprocessor circuit (1023), and the other path of the voltage is sent to the input end of a secondary controllable voltage stabilizing circuit;
II, after the microprocessor circuit (1023) is powered on, outputting a high level to a grid electrode of a field effect transistor T2, enabling a field effect transistor T2 to be conducted, outputting the high level to an enabling end EN of a secondary controllable voltage stabilizing circuit by a source electrode of the field effect transistor T2, outputting voltage by the secondary controllable voltage stabilizing circuit, and charging a burst power energy storage circuit (1021);
II, 3, detecting the output voltage of the burst power supply energy storage circuit (1021) by the microprocessor circuit (1023) through the AD conversion circuit of the microprocessor circuit, comparing the output voltage with a set threshold value, and if the output voltage is smaller than the threshold value, continuing to wait after the charging is not finished; if the current state is larger than or equal to the threshold value, the charging is finished, the wireless communication module (1024) is started, and the wireless communication module (1024) sends out related information of abnormal guardrail postures;
II, after the wireless communication module (1024) finishes sending the abnormal information of the posture of the guardrail, the microprocessor circuit (1023) outputs a low level to the grid electrode of the field effect transistor T2, the secondary controllable voltage stabilizing circuit stops working, 0V voltage is output, and the power management circuit (1022) enters a low power consumption mode;
II, 5, the microprocessor circuit (1023) enters a shutdown mode to wait for maintenance;
II, 6, after the maintenance is normal, the postures of all guardrail units (1) are in a normal condition, all side pressure spring switches (103) are closed, the grid electrode of the field effect tube T1 is in short circuit with a reference point, the field effect tube T1 is cut off, the source electrode of the field effect tube T1 outputs a low level to the enabling end of the controllable inversion booster circuit EN, and the urban road guardrail state monitoring device continuously enters the state I.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710066170.3A CN106894365B (en) | 2017-02-06 | 2017-02-06 | Urban road guardrail system and working method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710066170.3A CN106894365B (en) | 2017-02-06 | 2017-02-06 | Urban road guardrail system and working method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106894365A CN106894365A (en) | 2017-06-27 |
| CN106894365B true CN106894365B (en) | 2022-07-29 |
Family
ID=59197933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710066170.3A Active CN106894365B (en) | 2017-02-06 | 2017-02-06 | Urban road guardrail system and working method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106894365B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107386106B (en) * | 2017-08-04 | 2019-02-26 | 广东京凌越科技股份有限公司 | It is a kind of based on Internet of Things being capable of freely regulated intelligent Bridge guardrail |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5793125A (en) * | 1991-02-25 | 1998-08-11 | Tarng; Min Ming | Smart integrated socket automation system |
| CN101281674A (en) * | 2007-04-03 | 2008-10-08 | 天津百思特环保设备有限公司 | Open circuit type anti-theft alarming device |
| CN104104067B (en) * | 2013-04-12 | 2017-03-22 | 东莞钜威动力技术有限公司 | Short circuit protection circuit |
| CN103354014B (en) * | 2013-06-19 | 2015-07-08 | 江苏瞬通交通设施有限公司 | Road traffic guardrail intelligence management system |
| CN203689705U (en) * | 2013-12-15 | 2014-07-02 | 重庆辉腾光电有限公司 | Intelligent solar energy traffic signal lamp |
| CN104836321B (en) * | 2015-05-08 | 2017-11-28 | 南京熊猫电子股份有限公司 | Intelligent photovoltaic energy-storage system power supply and its control method |
| CN205116066U (en) * | 2015-11-24 | 2016-03-30 | 重庆理工大学 | Intelligence guardrail |
| CN106087809A (en) * | 2016-07-20 | 2016-11-09 | 湖南红太阳新能源科技有限公司 | A kind of intelligence transportation guardrail management system and guardrail |
| CN206607529U (en) * | 2017-02-06 | 2017-11-03 | 江苏顺达交通设施有限公司 | A kind of urban road guard bar system |
-
2017
- 2017-02-06 CN CN201710066170.3A patent/CN106894365B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN106894365A (en) | 2017-06-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP0849524B1 (en) | Pole having solar cells | |
| CN201119053Y (en) | Intelligent control device for solar luminescent street lamp | |
| US10666186B2 (en) | Movable solar power apparatus | |
| CN101888113A (en) | Solar power supply control system and control method | |
| CN106894365B (en) | Urban road guardrail system and working method thereof | |
| CN202095145U (en) | Intelligent charging-discharging protection solar body infrared induction lamp | |
| CN106681225B (en) | Urban road guardrail state monitoring device and monitoring method thereof | |
| CN213817258U (en) | Power supply protection circuit for street lamp control circuit | |
| JP2004064855A (en) | Power supply device using photoelectric cell | |
| CN206573891U (en) | A kind of urban road guard bar state monitoring apparatus | |
| CN206607529U (en) | A kind of urban road guard bar system | |
| CN113966052B (en) | Intelligent control circuit | |
| CN203968034U (en) | Portable domestic photovoltaic miniature power station | |
| CN108233520A (en) | A kind of photovoltaic generation electric storage device | |
| De Zoysa et al. | Designing and constructing a DC microgrid with uninterrupted power supply capability and optimizing its energy usage by smart controlling system | |
| CN211780716U (en) | Solar street lamp of lithium titanate battery based on automatic protection | |
| CN2893406Y (en) | Solar road lamp system without accumulator | |
| CN2535728Y (en) | Solar telecontroller | |
| CN209874649U (en) | Building construction protective fence | |
| CN106998094A (en) | A kind of high-efficiency solar energy storage device | |
| JP3559803B2 (en) | Charge method of electric double layer capacitor by solar cell | |
| CN109083451B (en) | Noise protective wall structure for construction | |
| CN208917725U (en) | A kind of urban construction with can automatic warning turn mirror | |
| CN207506245U (en) | Solar energy leisure chaise longue | |
| CN216244005U (en) | Lighting device with double power supply modes complementary |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221205 Address after: Room 340, No. 888, Changcheng Road, Xinbei District, Changzhou City, Jiangsu Province, 213000 Patentee after: Changzhou Zhida transportation facilities Technology Co.,Ltd. Address before: 213133 No. 5, Xiaoxie Road, Tangzhuang Industrial Park, Luoxi Town, Xinbei District, Changzhou City, Jiangsu Province Patentee before: JIANGSU SHUNDA TRAFFIC FACILITIES Co.,Ltd. |
|
| TR01 | Transfer of patent right |