CN114495657A - Integrated multifunctional electrical fire demonstration box - Google Patents
Integrated multifunctional electrical fire demonstration box Download PDFInfo
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- CN114495657A CN114495657A CN202111662146.9A CN202111662146A CN114495657A CN 114495657 A CN114495657 A CN 114495657A CN 202111662146 A CN202111662146 A CN 202111662146A CN 114495657 A CN114495657 A CN 114495657A
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- switch
- demonstration
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- electrical fire
- detector
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- 238000010891 electric arc Methods 0.000 claims abstract description 11
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 14
- 229910052782 aluminium Inorganic materials 0.000 claims description 14
- 230000005611 electricity Effects 0.000 claims description 4
- 238000012544 monitoring process Methods 0.000 claims description 4
- 238000001514 detection method Methods 0.000 description 4
- 230000001960 triggered effect Effects 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 206010000369 Accident Diseases 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010892 electric spark Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
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Classifications
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/06—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics
- G09B23/18—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for electricity or magnetism
- G09B23/183—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for electricity or magnetism for circuits
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
Abstract
The invention discloses an integrated multifunctional electrical fire demonstration box which comprises a power supply, a transformer, a master control module, a fault module and a detector, wherein the power supply is connected with a power supply interface of the master control module through the transformer, and the fault module is connected with the master control module; the fault module comprises an overvoltage demonstration module, an undervoltage demonstration module, an electric leakage demonstration module, an electric arc demonstration module, an overload demonstration module and a temperature demonstration module.
Description
Technical Field
The invention belongs to the technical field of fire demonstration boxes, and particularly relates to an integrated multifunctional electrical fire demonstration box.
Background
At present, the electric fire accidents are continuously high and show a trend of increasing year by year. The reasons for the occurrence of electrical fire are mainly as follows: 1. the equipment line is aged and fault arc is generated due to non-overhaul throughout the year; 2. illegal electricity utilization, and private use of electrical equipment; 3. the device circuit has the conditions of electric leakage and the like; 4. an electrical fire caused by an excessively high line temperature.
For the science popularization standard power consumption, various forms of electric fire early warning demonstration boxes appear in the market, the functions are single, a professional is required to demonstrate, and the operation is complex, and the use is not safe.
Disclosure of Invention
The invention provides an integrated multifunctional electrical fire demonstration box for overcoming the defects of the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme: an integrated multifunctional electrical fire demonstration box comprises a power supply, a transformer, a main control module, a fault module and a detector, wherein the power supply is connected with a power interface of the main control module through the transformer, and the fault module is connected with the main control module; the fault module comprises an overvoltage demonstration module, an undervoltage demonstration module, an electric leakage demonstration module, an electric arc demonstration module, an overload demonstration module and a temperature demonstration module.
Furthermore, the overvoltage demonstration module comprises an overvoltage switch, one end of the overvoltage switch is connected with the power supply, and the other end of the overvoltage switch is connected with the main control module.
Furthermore, the under-voltage demonstration module comprises an under-voltage switch, one side of the under-voltage switch is connected with the power supply, and the other side of the under-voltage switch is connected with the main control module.
Furthermore, the electric leakage demonstration module comprises an electric leakage switch and an aluminum shell resistor, the power supply is connected with two ends of the aluminum shell resistor, one end of the electric leakage switch is connected with the power supply, the other end of the electric leakage switch is connected with the aluminum shell resistor, and a residual current transformer of the detector is sleeved on a loop connected with the aluminum shell resistor.
Furthermore, the arc demonstration module comprises a first socket, an intelligent air switch, an arc generator and an arc switch, the intelligent air switch is connected with a power supply, the L end of the first socket is connected with the L line output of the intelligent air switch, the N end of the first socket is connected with the arc generator, the other end of the arc generator is connected with the arc switch, the other side of the arc switch is connected with the N line output of the intelligent air switch, an electric load is connected to the first socket in an access mode, and a current transformer of the detector is connected to the L line output of the intelligent air switch in a sleeved mode.
Furthermore, the overload demonstration module comprises a second socket and an overload switch, the L end of the second socket is connected with the L line output of the intelligent air switch, the N end of the second socket is connected to the overload switch, the other side of the overload switch is connected with the N line output of the intelligent air switch, and the second socket is connected with a heavy load device.
Furthermore, the temperature demonstration module comprises a rotary resistor, a terminal of the detector is connected to the knob resistor, and different temperatures can be simulated by switching different gears of the knob resistor.
Further, the detector is an electrical fire monitoring detector.
Furthermore, the output of the relay of the electrical fire detector is connected to the intelligent air switch control end.
Further, the network port of the electrical fire detector is connected with the gateway of the ethernet-to-4G gateway 14.
In summary, the present invention mainly includes: the invention aims to overcome the defect of incompleteness of demonstration functions of a demonstration box, and the demonstration box is convenient to operate, safe, practical and suitable for non-professionals to use electricity for propaganda.
Drawings
FIG. 1 is a circuit diagram of the present invention.
In the figure: 1 transformer, 2 detectors, 3 overvoltage switches, 4 undervoltage switches, 5 leakage switches, 6 aluminum shell resistors, 7 first sockets, 8 intelligent air switches, 9 arc generators, 10 arc switches, 11 second sockets, 12 overload switches, 13 rotating resistors and 14 Ethernet-to-4G gateways.
Detailed Description
As shown in fig. 1, an integrated multifunctional electrical fire demonstration box comprises a power supply, a transformer 1, a master control module, a fault module and a detector 2, wherein the power supply is a commercial power supply, the power supply is connected with a power interface of the master control module through the transformer 1, and the output voltages of the transformer 1 are two types: 260VAC voltage and 160VAC voltage.
Specifically, the fault module is connected with the main control module; the fault module comprises an overvoltage demonstration module, an undervoltage demonstration module, an electric leakage demonstration module, an electric arc demonstration module, an overload demonstration module and a temperature demonstration module.
Specifically, overvoltage demonstration module includes overvoltage switch 3, 3 one end of overvoltage switch is connected with the power, the other end with host system is connected, the commercial power is connected with first relay, detector 2 is connected with the second relay, the 260VAC voltage with transformer 1 output is connected to first relay, commercial power 220VAC is connected to overvoltage switch 3 one side, on the first relay is connected to the opposite side, when overvoltage switch 3 is in the state of not triggering, first relay does not have the voltage input, does not act, detector 2 is supplied power by the commercial power this moment, be in the normal state of detection voltage, after triggering overvoltage switch 3, first relay acts, detector 2 supplies power and switches to 260VAC, detector 2 detects the overvoltage condition this moment, show the excessive pressure and report to the police.
Specifically, undervoltage demonstration module includes undervoltage switch 4, undervoltage switch 4 one side connection power, the opposite side is connected host system is connected the 160VAC voltage of transformer 1 output to the second relay, and mains supply 220VAC is connected to undervoltage switch 4 one side, and the opposite side is connected on the second relay, is in not triggering the state when undervoltage switch 4, and the second relay does not move, and detector 2 is by mains supply, and detector 2 is in detection voltage normal condition, when triggering the undervoltage switch, 4 backs, and the second relay moves, and detector 2 supplies power and switches to 160VAC, and detector 2 detects the undervoltage state this moment, shows undervoltage alarm.
Specifically, the electric leakage demonstration module includes electric leakage switch 5 and aluminum hull resistance 6, the power with the both ends of aluminum hull resistance 6 are connected, and the commercial power is connected to electric leakage switch 5 one side, and aluminum hull resistance is connected to the opposite side, and 2 residual current transformers of detector cup joint on the return circuit of connecting aluminum hull resistance 6, and when electric leakage switch 5 was in the state of not triggering, there was not electric current on the return circuit, and detector 2 was in and detects electric leakage normal condition. When the leakage switch 5 is triggered, the commercial power supplies power to two ends of the aluminum shell resistor 6, leakage current exceeding a threshold value is generated on a loop, and the detector 2 detects a leakage state and displays leakage alarm.
Specifically, the arc demonstration module includes a first socket 7, an intelligent air switch 8, an arc generator 9, and an arc switch 10, the intelligent air switch 8 is connected to a power supply, an L end of the first socket 7 is connected to an L line output of the intelligent air switch 8, an N end of the first socket 7 is connected to the arc generator 10, the other end of the arc generator 9 is connected to the arc switch 10, the other side of the arc switch 10 is connected to an N line output of the intelligent air switch 8, an electric load is connected to the first socket 7, a current transformer of the detector 2 is connected to the L line output of the intelligent air switch 8 in a sleeved manner, when the arc switch 10 is in an unfired state, the N end of the electric load is not connected to a N line of a utility power, and is in a state where the electric arc cannot be triggered, and when the arc switch 10 is triggered, the N end of the electric load is connected to the N line of the utility power, the circuit generates electricity utilization current, at the moment, a copper rod in the arc generator 9 is enabled to be away from a carbon rod in the arc generator 9 at a slow speed through a control rod of the arc generator 9, electric sparks are generated between the copper rod and the carbon rod, the circuit is simulated to be connected with fault arcs in series, and the detector 2 detects the arcs to give an alarm.
Specifically, the overload demonstration module includes a second socket 11 and an overload switch 12, an L end of the second socket 11 is connected to an L line output of the intelligent air switch 8, an N end of the second socket 11 is connected to the overload switch 12, the other side of the overload switch 12 is connected to an N line output of the intelligent air switch 8, a heavy load device is connected to the second socket 11, when the overload switch 12 is in an unfired state, the N end of the heavy load device is not connected to an N line of a mains supply, no current exists on a line, and the heavy load device is in a normal detection state. When the overload switch 12 is triggered, the N end of the heavy-load equipment is connected with the commercial power N line, overload power utilization current is generated on the line, and the detector 2 displays overload alarm.
Specifically, the temperature demonstration module comprises a rotary resistor 13, the terminal of the detector 2 is connected to the rotary resistor 13, different temperatures can be simulated by switching different gears of the rotary resistor 13, when the rotary resistor 13 is not switched, the resistor outputs 10k omega resistors by default, the simulation is carried out at 25 ℃, and the detector 2 is in a normal temperature detection state. After the knob resistor 13 is switched, the output of the resistor is 1k omega, 100 ℃ is simulated, and the detector 2 displays temperature alarm.
Specifically, the detector 2 is an electrical fire monitoring detector.
Specifically, the relay output of the electrical fire detector is connected to the intelligent air switch 8 control end, when the detector 2 is in a normal state, the relay of the electrical fire detector has no output, the intelligent air switch 8 is in a normal connection state, voltage can be output to the first socket 7 and the second socket 11, and when the electrical fire detector gives an alarm, the relay of the electrical fire detector outputs to control the intelligent air switch 8 to be disconnected with a rear-stage line for outputting.
And the network port of the electrical fire detector is connected with a gateway of the Ethernet-to-4G gateway 14, and after the gateway is networked successfully, the electrical fire detector can transmit alarm data and behavior data to the electrical fire monitoring system through the gateway.
Claims (10)
1. The utility model provides a multi-functional electric fire demonstration case of integrated form which characterized in that: the power supply is connected with a power interface of the main control module through the transformer (1), and the fault module is connected with the main control module; the fault module comprises an overvoltage demonstration module, an undervoltage demonstration module, a leakage demonstration module, an arc demonstration module, an overload demonstration module and a temperature demonstration module, wherein the overvoltage demonstration module is used for detecting whether a circuit is overvoltage or not, the undervoltage demonstration module is used for detecting whether the circuit is undervoltage or not, the leakage demonstration module is used for detecting whether the circuit leaks electricity, the arc demonstration module is used for detecting whether the circuit generates arc or not, the overload demonstration module is used for detecting whether the circuit is overloaded or not, and the temperature demonstration module is used for detecting whether the circuit temperature is overhigh or not.
2. An integrated multifunctional electrical fire demonstration box according to claim 1 wherein: the overvoltage demonstration module comprises an overvoltage switch (3), one end of the overvoltage switch (3) is connected with the power supply, and the other end of the overvoltage switch is connected with the main control module.
3. An integrated multifunctional electrical fire demonstration box according to claim 1 wherein: the undervoltage demonstration module comprises an undervoltage switch (4), one side of the undervoltage switch (4) is connected with a power supply, and the other side of the undervoltage switch is connected with the main control module.
4. An integrated multifunctional electrical fire demonstration box according to claim 1 wherein: the electric leakage demonstration module comprises an electric leakage switch (5) and an aluminum shell resistor (6), the power supply is connected with two ends of the aluminum shell resistor (6), one end of the electric leakage switch (5) is connected with the power supply, the other end of the electric leakage switch is connected with the aluminum shell resistor (6), and a residual current transformer of the detector (2) is connected with a loop of the aluminum shell resistor (6) in a sleeved mode.
5. An integrated multifunctional electrical fire demonstration box according to claim 1 wherein: the electric arc demonstration module comprises a first socket (7), an intelligent air switch (8), an electric arc generator (9) and an electric arc switch (10), the intelligent air switch (8) is connected with a power supply, the L end of the first socket (7) is connected with the L line output of the intelligent air switch (8), the N end of the first socket (7) is connected with the electric arc generator (10), the other end of the electric arc generator (9) is connected with the electric arc switch (10), the other side of the electric arc switch (10) is connected with the N line output of the intelligent air switch (8), an electric load is connected to the first socket (7), and a current transformer of the detector (2) is sleeved on the L line output of the intelligent air switch (8).
6. An integrated multifunctional electrical fire demonstration box according to claim 5 wherein: overload demonstration module includes second socket (11) and overload switch (12), the L end of second socket (11) is connected the L line output of intelligent idle switch (8), the N end of second socket (11) is connected on overload switch (12), the opposite side of overload switch (12) is connected the N line output of intelligent idle switch (8), insert heavy load equipment on second socket (11).
7. An integrated multifunctional electrical fire demonstration box according to claim 1 wherein: the temperature demonstration module comprises a rotary resistor (13), a terminal of the detector (2) is connected to the rotary resistor (13), and different temperatures can be simulated by switching different gears of the rotary resistor (13).
8. An integrated multifunctional electrical fire demonstration box according to claim 1 wherein: the detector (2) is an electrical fire monitoring detector.
9. An integrated multifunctional electrical fire demonstration box according to claim 8 wherein: and connecting the output of the relay of the electrical fire detector to the control end of the intelligent air switch (8).
10. An integrated multifunctional electrical fire demonstration box according to claim 9 wherein: and the network port of the electrical fire detector is connected with a gateway of an Ethernet-to-4G gateway (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111662146.9A CN114495657A (en) | 2021-12-31 | 2021-12-31 | Integrated multifunctional electrical fire demonstration box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111662146.9A CN114495657A (en) | 2021-12-31 | 2021-12-31 | Integrated multifunctional electrical fire demonstration box |
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| Publication Number | Publication Date |
|---|---|
| CN114495657A true CN114495657A (en) | 2022-05-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111662146.9A Pending CN114495657A (en) | 2021-12-31 | 2021-12-31 | Integrated multifunctional electrical fire demonstration box |
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| Country | Link |
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| CN (1) | CN114495657A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111554160A (en) * | 2020-06-09 | 2020-08-18 | 清华大学合肥公共安全研究院 | Electrical fire demonstration box and demonstration method thereof |
| CN112398221A (en) * | 2020-11-05 | 2021-02-23 | 长江武汉航道工程局 | Safety electricity utilization monitoring system |
| CN212659158U (en) * | 2020-07-23 | 2021-03-05 | 中国人民解放军海军潜艇学院 | Marine electric fire simulation early warning monitoring device |
-
2021
- 2021-12-31 CN CN202111662146.9A patent/CN114495657A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111554160A (en) * | 2020-06-09 | 2020-08-18 | 清华大学合肥公共安全研究院 | Electrical fire demonstration box and demonstration method thereof |
| CN212659158U (en) * | 2020-07-23 | 2021-03-05 | 中国人民解放军海军潜艇学院 | Marine electric fire simulation early warning monitoring device |
| CN112398221A (en) * | 2020-11-05 | 2021-02-23 | 长江武汉航道工程局 | Safety electricity utilization monitoring system |
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