CN212207536U - Short circuit testing device and short circuit testing box - Google Patents
Short circuit testing device and short circuit testing box Download PDFInfo
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- CN212207536U CN212207536U CN202020471290.9U CN202020471290U CN212207536U CN 212207536 U CN212207536 U CN 212207536U CN 202020471290 U CN202020471290 U CN 202020471290U CN 212207536 U CN212207536 U CN 212207536U
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- 238000012360 testing method Methods 0.000 title claims abstract description 75
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- 230000008569 process Effects 0.000 description 3
- 230000001960 triggered effect Effects 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
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- 238000009434 installation Methods 0.000 description 1
- 238000011418 maintenance treatment Methods 0.000 description 1
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Abstract
The utility model relates to a short circuit testing device and a short circuit testing box, which are used for carrying out short circuit testing on a direct current loop of a stereo garage, wherein the short circuit testing device comprises a short circuit module, a first switch and a short circuit wire which are mutually connected in series and are used for short circuit the direct current loop; a power supply module having an input side and an output side; the first prompting module is coupled to the input side of the power supply module and used for indicating the power-on of the input side of the power supply module; the second prompting module is coupled to the output side of the power supply module and used for indicating the conduction of the output side of the power supply module; and the trigger module is coupled to the output side of the power supply module and synchronously controls the on-off of the first switch and the output side. The first switch and the on-off of the output side are synchronously controlled through the trigger module coupled to the output side of the power supply module, so that the second prompt module coupled to the output side can continuously prompt when testing is carried out, and the phenomenon that the short circuit wire is missed to be disconnected after operation is avoided.
Description
Technical Field
The utility model relates to an electron device field especially relates to a short circuit testing arrangement and short circuit test box.
Background
Direct voltage is used for both safety and control loops in a stereo garage, where debugging and maintenance are the work that the stereo garage must perform. In the working process, electrical components and switches are numerous, the range is wide, the installation position is hidden, and when a fault occurs or debugging work is implemented, an electrical short circuit or short circuit recovery test is often used. The short-circuit line generally is copper line or other metal wire, and in maintenance and debugging working process, often can appear finding the problem after taking out stitches and not solve, need the condition of short circuit again, has reduced work efficiency. In addition, after the maintenance and debugging are finished, the phenomenon of missing the dismounting of the short connecting wire can occur, so that after the equipment is put into operation, the missing dismounting of the short connecting wire can cause great hidden troubles for the safety of the detected equipment and the safety of maintenance and use personnel.
SUMMERY OF THE UTILITY MODEL
Based on this, this application provides one kind can avoid relapseing the dismouting, avoids lou tearing short circuit testing arrangement open.
The utility model provides a short circuit testing arrangement for direct current circuit to stereo garage carries out the short circuit test, short circuit testing arrangement include:
the short circuit module comprises a first switch and a short circuit wire which are mutually connected in series and is used for short-circuiting the direct current loop;
a power supply module having an input side and an output side;
the first prompting module is coupled to the input side of the power supply module and used for indicating the power-on of the input side of the power supply module;
the second prompting module is coupled to the output side of the power supply module and used for indicating the conduction of the output side of the power supply module;
and the trigger module is coupled to the output side of the power supply module and synchronously controls the on-off of the first switch and the output side.
Preferably, the short circuit testing device further comprises a signal branch circuit for sending a short circuit state signal to the upper computer, the signal branch circuit is provided with a second switch for controlling the on-off of the signal branch circuit, and the trigger module further synchronously controls the on-off of the second switch.
Preferably, the short circuit testing device further comprises a relay, a control coil of the relay is connected in series to the output side of the power supply module, and a normally open contact of the relay serves as a first switch.
Preferably, the normally open contact of the relay also serves as the second switch, and the signal branch is connected between the input side of the power supply module and the upper computer.
Preferably, the triggering module is an operating switch having a circuit portion connected in series to the output side of the power supply module, and a mechanical component for controlling the circuit portion to be turned on or off.
Preferably, the first prompting module and the second prompting module adopt different prompting modes, and the prompting modes are selected from at least one of sound prompting and light prompting.
Preferably, the power supply module is a direct current wide voltage device.
Preferably, the short circuit testing device further comprises an anti-reverse connection module connected in series to the input side of the power supply module.
The application still provides a short circuit test box, the short circuit test box includes the box body and installs as above-mentioned short circuit testing arrangement in the box body.
Preferably, the box body is provided with one or more avoidance ports, and at least one of the trigger module, the first prompt module and the second prompt module corresponds to the avoidance ports.
After this application short circuit testing arrangement's power module was gone up the electricity, through the break-make of triggering the first switch of module synchro control and output side for testing, as long as the shorting stub is at work, the incessant suggestion then is carried out to the second suggestion module, avoids leaking the short stub of tearing open after the operation like this. When short circuit state need be relieved temporarily, do not need whole dismantlement, only need through trigger module disconnection first switch can for can further test equipment under the state that need not tear down the shorting stub, it is more convenient during the short circuit operation like this, avoid the dismouting repeatedly, improve work efficiency.
Drawings
FIG. 1 is a schematic structural diagram of a short test device in one embodiment;
FIG. 2 is a schematic circuit diagram of a short test device in one embodiment.
Detailed Description
In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined below to clearly and completely describe the technical solution of the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. All other embodiments, which can be obtained by a person skilled in the art without any inventive work based on the described embodiments of the present invention, belong to the protection scope of the present invention.
As shown in fig. 1, the application provides a short circuit testing arrangement for carry out the short circuit test to stereo garage's direct current loop, include:
a short circuit module 100, including a first switch and a short circuit line connected in series, for short-circuiting the dc circuit;
the power supply module 200 has an input side and an output side. A first prompt module 300, coupled to the input side of the power supply module 200, for indicating power-on of the input side of the power supply module 200;
a second prompt module 400, coupled to the output side of the power supply module 200, for indicating the conduction of the output side of the power supply module 200;
the trigger module 500 is coupled to the output side of the power supply module 200, and synchronously controls the on/off of the first switch and the output side.
In this embodiment, when a loop of the stereo garage is failed and repaired, the short-circuit module 100 is connected to a detection point in a safety loop or a control loop of the stereo garage through a short-circuit line to perform a short-circuit test. The short-circuit wire is connected in series with a first switch for controlling the working state of the short-circuit wire, when the first switch is switched on, the short-circuit wire works, and when the first switch is switched off, the short-circuit wire does not work.
In this embodiment, the input side of the power supply module 200 is coupled with the first prompting module 300, so that after the short circuit testing device is powered on, the first prompting module 300 can prompt that the short circuit testing device is powered on and can start working, and also correspondingly prompt that at least the input side of the device has no fault. Otherwise, it indicates that the input side is not energized or has failed.
The trigger module 500 can control the on/off of the output side (working circuit) and the on/off of the first switch at the same time. Thus, when the trigger module 500 is in the trigger state, the output side of the power supply module 200 and the first switch are correspondingly turned on, and the two are logically related to each other, and the second prompting module 400 directly prompts the turning on of the output side, but also means that the shorting line is in the short-circuit working state. Therefore, the short circuit has prompt to avoid the situation that the short circuit is missed to be disassembled and received after the test, and potential safety hazards are eliminated.
After the direct current loop of the stereo garage is subjected to short circuit test and corresponding maintenance treatment, under the state that the short circuit wire is not removed, the first switch is disconnected only through the trigger module 500 to stop the short circuit test, so that whether the equipment normally works or not can be tested, and if a problem exists after the test, the first switch is conducted through the trigger module 500 again to perform the short circuit test. If the equipment can normally work, the short circuit wire can be removed, the short circuit test process is simplified, and the working efficiency is improved.
In one embodiment, the short circuit testing device further includes a signal branch for sending a short circuit state signal to the upper computer 600, the signal branch has a second switch (not shown in the figure) for controlling on/off of the signal branch, and the triggering module 500 further synchronously controls on/off of the second switch.
In this embodiment, host computer 600 is stereo garage's controlling means, and when the short circuit testing arrangement carried out the short circuit, trigger module 500 controls the second switch to switch on simultaneously and makes the signal branch switch on and send passive signal to controlling means, and controlling means is in maintenance or safe mode according to each equipment in this signal control stereo garage to avoid in the short circuit test to the damage of other equipment or to being in the garage and detect personnel emergence incident.
In one embodiment, in order to implement the triggering module 500 to control the first switch and the second switch simultaneously, the triggering module may be implemented in various ways, including providing a switch circuit, a relay, or the like on the output side of the power supply module 200.
In one embodiment, the short circuit testing device further includes a relay, a control coil of the relay is connected in series to the output side of the power supply module 200, and a normally open contact of the relay serves as a first switch.
Specifically, after the trigger module 500 is triggered, the output side of the power supply module 200 is turned on, and after the control coil of the relay is powered on, the normally open contact serving as the first switch is closed, so that the short-circuit line can work normally.
In one embodiment, the normally open contact of the relay also serves as a second switch, and the signal branch is connected between the input side of the power supply module 200 and the upper computer 600.
Specifically, the signal branch is connected to the output end of the trigger module 500, and after the trigger module 500 is triggered, the signal branch is closed as a normally open contact of the second switch while the output side of the power supply module 200 and the first switch are turned on, so that the signal branch leads to the control monitoring device to send a signal.
In one embodiment, the triggering module 500 is an operation switch having a circuit portion connected in series to the output side of the power supply module 200, and a mechanical component for controlling the circuit portion to be turned on or off.
Further, the mechanical component of the operation switch may be a button, a dial or other device with two states, and the detecting person manually changes the state of the operation switch to control the on/off of the circuit portion connected in series at the output side of the power supply module 200.
In one embodiment, the circuit portion of the operation switch is a switch device, and is connected in series between the output terminal of the power supply module 200 and the second prompt module 400.
In one embodiment, the first prompt module 300 and the second prompt module 400 employ different prompting modes, and the prompting modes are selected from at least one of sound prompting and light prompting.
In this embodiment, taking the first prompt module 300 as a light prompt and the second prompt module 400 as a sound prompt as an example, after the short circuit testing device is powered on, the first prompt module 300 will light up to prompt that the short circuit testing device is in a working state, and after the trigger module 500 is triggered, the second prompt module 400 will make a sound to prompt that the short circuit testing device is performing a short circuit test, and different prompt modes are adopted to be easier to distinguish.
In one embodiment, the light indicators may be selected from light emitting diodes, or other light emitting devices.
In one embodiment, the audible prompt may be selected from a buzzer or other audible device.
In one embodiment, the power supply module 200 is a direct current wide voltage device, so as to ensure that the short circuit testing device can normally work without being affected when the direct current voltage of the stereo garage fluctuates. The input side of the direct-current wide voltage device is connected to a power supply control box of the stereo garage, and the power supply control box supplies power to the short-circuit testing device.
In one embodiment, the dc voltage-spreading device may have a variety of options, not limited to any one of them, such as chip H77463B (and necessary peripheral components).
In one embodiment, the short circuit testing device further includes an anti-reverse connection module connected in series to the input side of the power supply module 200, and is used for fault tolerance of the connection when the device is powered, so as to avoid potential safety hazards of reverse connection.
In one embodiment, the reverse connection prevention module may be a rectifier bridge composed of four diodes connected in series, and in other embodiments, other circuits capable of achieving reverse connection prevention may be selected.
In one embodiment, multiple groups of shorting lines may be disposed in the shorting module 100 for testing multiple different test points, and each shorting line is marked with a unique number, which is convenient for management and prevents loss.
As shown in fig. 2, a circuit diagram of the short circuit testing device in one embodiment is provided, in which the reverse connection prevention module adopts a rectifier bridge, and includes four diodes connected in series in sequence, i.e., a diode D1 to a diode D4, two input ends of the rectifier bridge are respectively connected to the positive electrode and the negative electrode of the power output end of the stereo garage, and two input ends of the rectifier bridge are respectively connected to two input ends of the DC/DC input side of the DC wide voltage device. The first prompting module 300 employs a light emitting diode D1 connected across two input terminals of the DC wide voltage device DC/DC.
The DC/DC output side of the DC voltage spreading device has two corresponding output terminals to form an output side loop, the second prompt module 400 adopts a speaker Spk, the speaker Spk is connected in parallel with the relay coil H, and is connected in series with the switching device K in the trigger module 500 in the output side loop after being connected in parallel.
The short-circuit wire has an external terminal S1 and an external terminal S2, a first switch K1 is connected between the two terminals in series, a switching device K controls the power-on and power-off of the relay coil H, and the first switch K1 acts correspondingly.
The application still provides a short circuit test box, and the short circuit test box includes the box body and installs as above-mentioned short circuit testing arrangement in the box body. And at least one of the trigger module 500, the first prompt module 300 and the second prompt module 400 corresponds to the position of the evasion port. This allows the inspection person to control the operation state of the shorting line by manually operating the trigger module 500 exposed to the case. When the first prompt module 300 or the second prompt module 400 is used for prompting by light, the inspector can directly observe the change of the light through the avoidance opening.
According to the short circuit testing device and the short circuit testing box in the embodiments of the application, the first prompting module 300 and the second prompting module 400 perform acousto-optic reminding when the device is powered on and short circuit wires work, and the short circuit wires are prevented from being missed to be detached and received after short circuit operation. When the short-circuited equipment needs to stop short-circuiting for normal testing, the short-circuit wire does not need to be removed when the short-circuit equipment stops short-circuiting through the trigger module 500, and after normal testing is performed, the short-circuit wire is removed according to a test structure. When the short circuit test is carried out, a short circuit state signal is sent to a control device of the stereo garage through the signal branch, so that the control device regulates and controls each device in the stereo garage to be in an allowable maintenance or safety module operation state according to the signal, and the damage of the short circuit test to the device and the potential safety hazard generated to an operator are avoided.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. Short circuit testing arrangement for carry out the short circuit test to stereo garage's direct current circuit, its characterized in that, short circuit testing arrangement include:
the short circuit module comprises a first switch and a short circuit wire which are mutually connected in series and is used for short-circuiting the direct current loop;
a power supply module having an input side and an output side;
the first prompting module is coupled to the input side of the power supply module and used for indicating the power-on of the input side of the power supply module;
the second prompting module is coupled to the output side of the power supply module and used for indicating the conduction of the output side of the power supply module;
and the trigger module is coupled to the output side of the power supply module and synchronously controls the on-off of the first switch and the output side.
2. The short-circuit testing device of claim 1, further comprising a signal branch circuit for sending a short-circuit state signal to an upper computer, wherein the signal branch circuit is provided with a second switch for controlling on-off of the signal branch circuit, and the trigger module is further used for synchronously controlling on-off of the second switch.
3. The short circuit testing device of claim 2, further comprising a relay, wherein a control coil of the relay is connected in series with an output side of the power supply module, and a normally open contact of the relay serves as a first switch.
4. The short circuit testing device of claim 3, wherein a normally open contact of the relay also serves as the second switch, and the signal branch is connected between the input side of the power supply module and the upper computer.
5. The short circuit testing device of claim 1, wherein the triggering module is an operating switch having a circuit portion connected in series at an output side of the power supply module, and a mechanical member for controlling the circuit portion to be turned on and off.
6. The shorting testing device according to claim 1, wherein the first and second prompting modules employ different prompting modes, and the prompting modes are at least one selected from a sound prompting mode and a light prompting mode.
7. The shorting test apparatus according to claim 1, wherein the power supply module is a direct current wide voltage apparatus.
8. The shorting testing device according to claim 1, further comprising an anti-reverse module connected in series at an input side of the power supply module.
9. Short circuit test box, characterized in that it comprises a box body and a short circuit test device according to any one of claims 1 to 8 mounted in the box body.
10. The short circuit testing box of claim 9, wherein the box body is provided with one or more avoidance openings, and at least one of the triggering module, the first prompting module and the second prompting module corresponds to the avoidance openings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020471290.9U CN212207536U (en) | 2020-04-02 | 2020-04-02 | Short circuit testing device and short circuit testing box |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020471290.9U CN212207536U (en) | 2020-04-02 | 2020-04-02 | Short circuit testing device and short circuit testing box |
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| Publication Number | Publication Date |
|---|---|
| CN212207536U true CN212207536U (en) | 2020-12-22 |
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| CN202020471290.9U Active CN212207536U (en) | 2020-04-02 | 2020-04-02 | Short circuit testing device and short circuit testing box |
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| CN (1) | CN212207536U (en) |
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- 2020-04-02 CN CN202020471290.9U patent/CN212207536U/en active Active
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