CN207731529U - A kind of circuit overloads for having a voice broadcast function, short-circuit demonstrator - Google Patents
A kind of circuit overloads for having a voice broadcast function, short-circuit demonstrator Download PDFInfo
- Publication number
- CN207731529U CN207731529U CN201721413557.3U CN201721413557U CN207731529U CN 207731529 U CN207731529 U CN 207731529U CN 201721413557 U CN201721413557 U CN 201721413557U CN 207731529 U CN207731529 U CN 207731529U
- Authority
- CN
- China
- Prior art keywords
- circuit
- load
- short
- voice broadcast
- demonstrator
- 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
Abstract
The utility model discloses a kind of circuit overloads having voice broadcast function, short-circuit demonstrator, the first load assembly, second load assembly and third load assembly respectively with the first load branch switch, second load branch switch, third load branch switch is in parallel after connecting two-by-two to form closed circuit with the voltage output interface tandem of digital displaying regulating arrangement and power transformer again, the voltage output interface of the power transformer is electrically connected by conducting wire and short circuit demonstration device, the voltage output interface of the power transformer is electrically connected by logic control circuit and acoustic-optic alarm and sound broadcasting device；This has the circuit overloads of voice broadcast function, short-circuit demonstrator, intuitive illustrative circuitry overload, the scene and danger of short circuit, make simultaneously people intuitively see demonstration exemplar smolder, be on fire, burning overall process, operation is particularly convenient, while having very high safe and reliable property.
Description
Technical field
It is specially a kind of circuit overloads for having a voice broadcast function, short the utility model is related to circuit demonstration technical field
Road demonstrator.
Background technology
Wire short-circuiting accident is so that zero curve, firewire is in direct contact, electric current is direct because of electric wire insulation layer heavy overload or breakage
Zero curve being flowed to by firewire, at this moment the resistance very little of electric wire, electric current is very big, and electric energy is just converted into a large amount of energy in brief moment,
The temperature of conducting wire is very fast to rise to 500 DEG C -600 DEG C, even up to 1000 DEG C.Cause the insulating layer of conducting wire and the combustibles of surrounding
It smolders, is on fire, burning.Form fire incident.Again because each section electric current in short circuit line is identical, entire short-circuiting percentage can be simultaneously
Catching fire, so speed is very fast when because of the short-circuit fire spread led to, moment can form the disaster sexual behavior for being difficult to put out a fire to save life and property
Therefore such accident odds is very high, so accident once being formed will personnel and property cause huge loss.
Therefore, how correctly this kind of fire incident led to by wire short-circuiting, makes us recognize its danger again,
Understanding, rational utilization of electricity, safety utilization of electric power are reinforced taking precautions against having to business unit and residential households to be had practical significance.Through toning
Research and development are existing, and the demonstrating effect of current such demonstrator is not satisfactory, also is difficult to find a comparatively ideal product in the market.
Utility model content
The purpose of this utility model is to provide a kind of circuit overloads having voice broadcast function, short-circuit demonstrators, with solution
Certainly the problems mentioned above in the background art.
To achieve the above object, the utility model provides the following technical solutions：A kind of circuit mistake having voice broadcast function
It carries, short-circuit demonstrator, including babinet, is sequentially installed with the first load assembly, the at the top of the front side of the babinet from left to right
The middle part top of two load assemblys and third load assembly, the babinet is sequentially installed with the first load branch from left to right
Switch, the second load branch switch and third load branch switch, the backside top of the babinet are sequentially installed with from left to right
Digital displaying regulating arrangement, acoustic-optic alarm and short circuit demonstration device are equipped with total power switch on rear side of the acoustic-optic alarm,
The babinet is internally provided with power transformer, external power supply jack, sound broadcasting device and logic control circuit, described external
Supply hub forms closed circuit by the control source interface tandem of conducting wire and total power switch and power transformer, and described the
One load assembly, the second load assembly and third load assembly divide with the first load branch switch, the second load respectively
The voltage output in parallel again with digital displaying regulating arrangement and power transformer connects after way switch, third load branch switch are connected two-by-two
Mouth series connection forms closed circuit, and the voltage output interface of the power transformer is electrically connected by conducting wire with short circuit demonstration device
It connects, the voltage output interface of the power transformer passes through logic control circuit and acoustic-optic alarm and sound broadcasting device electricity
Property connection.
Preferably, the first load assembly, the second load assembly and third load assembly are by 6 2.5V*
0.3A small electric bulbs are connected in series.
Preferably, the digital displaying regulating arrangement is XMTD digital displaying regulating arrangements.
Preferably, the acoustic-optic alarm is LTD-1101J acoustic-optic alarms.
Preferably, the short circuit demonstration device is fixedly mounted on the top of babinet by screw.
Compared with prior art, the utility model has the beneficial effects that：This has the circuit overloads of voice broadcast function, short circuit
Demonstrator, intuitive illustrative circuitry overload, the scene and danger of short circuit, while people being made intuitively to see that demonstration exemplar emits
Cigarette, on fire, burning overall process, operation is particularly convenient, while having very high safe and reliable property, is suitble to large-scale promotion.
Description of the drawings
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the circuit diagram of the utility model.
In figure：1 babinet, 2 first load assemblys, 3 second load assemblys, 4 third load assemblys, 5 first loads
Branch switch, 6 second load branch switches, 7 third load branch switches, 8 digital displaying regulating arrangements, 9 acoustic-optic alarms, 10 short circuits
Apparatus for demonstrating, 11 total power switch, 12 power transformers, 13 external power supply jacks, 14 sound broadcasting devices, 15 logic controls electricity
Road.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
- 2 are please referred to Fig.1, the utility model provides a kind of technical solution：A kind of circuit overloads for having a voice broadcast function,
Short-circuit demonstrator, including babinet 1 are sequentially installed with the first load assembly 2, the at the top of the front side of the babinet 1 from left to right
The middle part top of two load assemblys 3 and third load assembly 4, the babinet 1 is sequentially installed with the first load from left to right
Branch switch 5, the second load branch switch 6 and third load branch switch 7, the backside top of the babinet 1 from left to right according to
It is secondary that digital displaying regulating arrangement 8, acoustic-optic alarm 9 and short circuit demonstration device 10, the rear side installation of the acoustic-optic alarm 9 are installed
There are total power switch 11, the babinet 1 to be internally provided with power transformer 12, external power supply jack 13, sound broadcasting device 14
The voltage for passing through conducting wire and total power switch 11 and power transformer 12 with logic control circuit 15, the external power supply jack 13
Input interface connects to form closed circuit, the first load assembly 2, the second load assembly 3 and third load assembly 4
Parallel connection later connect two-by-two with the first load branch switch 5, the second load branch switch 6, third load branch switch 7 respectively again
Closed circuit is formed with the voltage output interface tandem of digital displaying regulating arrangement 8 and power transformer 12, the power transformer 12
Voltage output interface is electrically connected by conducting wire and short circuit demonstration device 10, and the voltage output interface of the power transformer 12 is logical
It crosses logic control circuit 15 to be electrically connected with acoustic-optic alarm 9 and sound broadcasting device 14, the logic control circuit 15 wraps
Include two fuses, relay and the diode of interconnection.
Specifically, the first load assembly 2, the second load assembly 3 and third load assembly 4 are by 6
2.5V*0.3A small electric bulbs are connected in series.
Specifically, the digital displaying regulating arrangement 8 is XMTD digital displaying regulating arrangements, XMTD digital displaying regulating arrangement the operation is stable.
Specifically, the acoustic-optic alarm 9 is LTD-1101J acoustic-optic alarms, LTD-1101J acoustic-optic alarms
Performance is good.
Specifically, the short circuit demonstration device 10 is fixedly mounted on the top of babinet 1 by screw, facilitates short circuit demonstration dress
Set 10 installation.
This has the circuit overloads of voice broadcast function, short-circuit demonstrator, and external cable is first inserted into external power supply before demonstration
Jack 13 is supplied power for alternating current, and power supply is switched to demonstrator；
Demonstrate step 1：
After 8 advanced line number value of XMTD digital displaying regulating arrangements is arranged opening total power switch 11, then open the first load branch
Switch 5 makes the first load assembly 2 be connected in series work by 6 2.5V*0.3A small electric bulbs, the temperature of observation XMTD digital displaying regulating arrangements 8
Variation is risen, and opening the second load branch switch 6 makes the second load assembly 3 work, continues to observe XMTD digital displaying regulating arrangements 8
Temperature rises variation, and temperature rise is accelerated at this time, and finally opening third load branch switch 7 makes third load assembly 4 work, at this time
The temperature of XMTD digital displaying regulating arrangements 8, which rapidly rises, illustrates that the circuit is being continuously increased load, and temperature is also in rapidly raising when temperature
When degree reaches 8 setting numerical value of XMTD digital displaying regulating arrangements, 15 turn on automatically acoustic-optic alarm 9 of logic control circuit, sound-light alarm
Device 9 sounds the alarm and strobelight, and logic control circuit 15 starts sound broadcasting device 14, voice broadcast automatically after 5 seconds
Device 14 plays out the audio file about overload and short circuit prerecorded；
Demonstrate step 2：
Opening total power switch 11 will demonstrate exemplar and be mounted on short circuit demonstration device 10 in advance, can be seen by lower handle moment
The overall process that demonstration exemplar smolders, is on fire, burning, demonstration exemplar blow rear logic control circuit 15 and start voice broadcast dress automatically
14 are set, sound broadcasting device 14 plays out the audio file about overload and short circuit prerecorded.
This has the circuit overloads of voice broadcast function, short-circuit demonstrator, by specially designing and experiment nearly 100 times, intuitively
Illustrative circuitry overload, short circuit scene and danger, while make people intuitively see demonstration exemplar smolder, be on fire, burning
Overall process, operation is particularly convenient, while having very high safe and reliable property, has been widely applied to teaching and enterprise
In safety training, and the concern and approval of relevant department are obtained.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of circuit overloads having voice broadcast function, short-circuit demonstrator, including babinet (1), it is characterised in that：The babinet
(1) it is sequentially installed with the first load assembly (2), the second load assembly (3) and third load from left to right at the top of front side
The middle part top of assembly (4), the babinet (1) is sequentially installed with the first load branch switch (5), the second load from left to right
The backside top of branch switch (6) and third load branch switch (7), the babinet (1) is sequentially installed with digital display from left to right
Adjuster (8), acoustic-optic alarm (9) and short circuit demonstration device (10) are equipped on rear side of the acoustic-optic alarm (9) total
Power switch (11), the babinet (1) are internally provided with power transformer (12), external power supply jack (13), voice broadcast dress
(14) and logic control circuit (15) are set, the external power supply jack (13) is become by conducting wire and total power switch (11) and power supply
The control source interface tandem of depressor (12) forms closed circuit, the first load assembly (2), the second load assembly
(3) and third load assembly (4) respectively with the first load branch switch (5), the second load branch switch (6), third load
Branch switch (7) voltage output interface string with digital displaying regulating arrangement (8) and power transformer (12) again in parallel after connecting two-by-two
Connection forms closed circuit, and the voltage output interface of the power transformer (12) is electrical by conducting wire and short circuit demonstration device (10)
Connection, the voltage output interface of the power transformer (12) by logic control circuit (15) and acoustic-optic alarm (9) and
Sound broadcasting device (14) is electrically connected.
2. a kind of circuit overloads having voice broadcast function according to claim 1, short-circuit demonstrator, it is characterised in that：
The first load assembly (2), the second load assembly (3) and third load assembly (4) are by 6 2.5V*0.3A electricity
Pearl is connected in series.
3. a kind of circuit overloads having voice broadcast function according to claim 1, short-circuit demonstrator, it is characterised in that：
The digital displaying regulating arrangement (8) is XMTD digital displaying regulating arrangements.
4. a kind of circuit overloads having voice broadcast function according to claim 1, short-circuit demonstrator, it is characterised in that：
The acoustic-optic alarm (9) is LTD-1101J acoustic-optic alarms.
5. a kind of circuit overloads having voice broadcast function according to claim 1, short-circuit demonstrator, it is characterised in that：
The short circuit demonstration device (10) is fixedly mounted on the top of babinet (1) by screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721413557.3U CN207731529U (en) | 2017-10-30 | 2017-10-30 | A kind of circuit overloads for having a voice broadcast function, short-circuit demonstrator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721413557.3U CN207731529U (en) | 2017-10-30 | 2017-10-30 | A kind of circuit overloads for having a voice broadcast function, short-circuit demonstrator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207731529U true CN207731529U (en) | 2018-08-14 |
Family
ID=63091266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721413557.3U Active CN207731529U (en) | 2017-10-30 | 2017-10-30 | A kind of circuit overloads for having a voice broadcast function, short-circuit demonstrator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207731529U (en) |
Cited By (2)
| 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 |
| CN114187813A (en) * | 2022-02-14 | 2022-03-15 | 江苏建信网络科技有限公司 | Electrical fire short circuit simulation device |
-
2017
- 2017-10-30 CN CN201721413557.3U patent/CN207731529U/en active Active
Cited By (2)
| 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 |
| CN114187813A (en) * | 2022-02-14 | 2022-03-15 | 江苏建信网络科技有限公司 | Electrical fire short circuit simulation device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207731529U (en) | A kind of circuit overloads for having a voice broadcast function, short-circuit demonstrator | |
| CN204732730U (en) | A kind of energy-saving distribution box | |
| CN107390073A (en) | Circuit board and its manufacture method, terminal test system | |
| CN204615503U (en) | A kind of prepared auto restart experiment simulator | |
| CN2753010Y (en) | Power socket with overcurrent and short circuit protective device | |
| CN202957168U (en) | Integrated PC-level automatic change-over switch | |
| CN207215997U (en) | A kind of LED lamp aging testing rack | |
| CN216133563U (en) | Short circuit harm presentation device | |
| CN206293377U (en) | Low-voltage circuit breaker microswitch | |
| CN204030297U (en) | A kind of power distribution cabinet with ageing of insulation status monitoring function | |
| Șerban et al. | Electronic Module for Carbon Monoxide Monitoring and Warning | |
| CN204794667U (en) | Electric impulse current's mains operated control box and high voltage power supply in suppression | |
| CN211087679U (en) | Electric bicycle ignition cause of formation demonstration appearance | |
| JP5770902B1 (en) | Transmission and distribution integrated system with means for collecting and storing measured values and energy saving switch method for standby current | |
| CN216521081U (en) | Ultrathin high-voltage LED lamp strip | |
| CN203405503U (en) | A display panel and a conflux case | |
| CN104682124B (en) | Pattern insert row is confessed in self-inspection | |
| CN206020573U (en) | Earthing alarm unit | |
| CN202710644U (en) | Blower fan power off acousto-optic indicator | |
| CN213024701U (en) | Intelligent campus fire alarm system | |
| CN107767746B (en) | A kind of conducting wire aggregation fever fire risk apparatus for demonstrating | |
| CN208596937U (en) | A kind of power supply line protector of charged line breaking protection | |
| CN206059131U (en) | A kind of potential device with overcurrent protection function | |
| CN108599340A (en) | A kind of simulated battery powers on automatically and breaker device | |
| CN206134054U (en) | Electrical insulation transships and makes up experiment platform |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190801 Address after: 300000 Tianjin Tanggu District Jintang Highway Xishun Xinyuan 3 2 Gates 302 Co-patentee after: Yang Kenan Patentee after: Feng Jinsheng Co-patentee after: Guo Zhiwei Co-patentee after: Tianjin Tongchuang Safety Management Consulting Co., Ltd. Address before: 300451 Tianjin Binhai New Area Tanggu District Jintang Highway Xishun Xinyuan 3 2 doors 302 Co-patentee before: Yang Kenan Patentee before: Feng Jinsheng Co-patentee before: Guo Zhiwei Co-patentee before: Tianjin Tongxin Safety Technology Consulting Service Co., Ltd. |
|
| TR01 | Transfer of patent right |