CN218512598U - Bus network short circuit positioning detection device - Google Patents
Bus network short circuit positioning detection device Download PDFInfo
- Publication number
- CN218512598U CN218512598U CN202221982926.1U CN202221982926U CN218512598U CN 218512598 U CN218512598 U CN 218512598U CN 202221982926 U CN202221982926 U CN 202221982926U CN 218512598 U CN218512598 U CN 218512598U
- Authority
- CN
- China
- Prior art keywords
- unit
- bus network
- short circuit
- detection device
- current
- 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
Landscapes
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
- Locating Faults (AREA)
Abstract
The utility model relates to a bus network detects technical field, is a bus network short circuit location detection device, including the host computer body, be provided with result display element and wiring unit on the host computer body, this internal master control unit, current-voltage sampling unit and the power supply unit of being provided with of host computer, the master control unit is connected with current-voltage sampling unit, result display element, wiring unit and power supply unit respectively. The utility model discloses the wiring is simple, only needs to be connected the unit of will working a telephone switchboard with the one end of bus network, can carry out the automated inspection of bus network short circuit location, and the testing process is simple and convenient, and is efficient, for the mode of current dichotomy searching fault point, need not frequent disconnection bus, and the staff need not to leave and get into safe region, has effectively guaranteed staff's safety when improving bus network short circuit location efficiency.
Description
Technical Field
The utility model relates to a bus network detects technical field, is a bus network short circuit location detection device.
Background
In a network using two-bus networking, due to the fact that the bus distance is long and the number of node devices is large, finding a fault point when a bus network is short-circuited is time-consuming and labor-consuming. The method comprises the steps of firstly disconnecting half node devices on a bus, then measuring the resistance value of the bus, and judging whether a fault point is in front of or behind a disconnected bus point according to the resistance value. According to the method, the fault point is searched and finally searched one by one.
Due to the limitation of part of operation environments (such as an electronic detonator blasting networking environment), when the bus is electrified, personnel must detect the bus outside a safe distance, so that the binary method for finding the fault point requires that the personnel frequently disconnect the bus, enter the safe area and then detect the fault point. Therefore, the fault removing process is complicated, the consumed time is long, and the field operation is not facilitated.
Disclosure of Invention
The utility model provides a bus network short circuit location detection device has overcome above-mentioned prior art not enough, and it can effectively solve the current dichotomy and look for wasting time and energy that the mode of bus network short circuit fault point exists, easily causes the problem of potential safety hazard.
The technical scheme of the utility model is realized through following measure: the utility model provides a bus network short circuit location detection device, includes the host computer body, is provided with result display element and wiring unit on the host computer body, is provided with main control unit, current-voltage sampling unit and power supply unit in the host computer body, and the main control unit is connected with current-voltage sampling unit, result display element, wiring unit and power supply unit respectively.
The following are further optimization or/and improvement on the technical scheme of the utility model:
the result display unit comprises a display module and a voice prompt module, and the display module and the voice prompt module are both connected with the main control unit.
The host computer body is provided with a main control unit, the main control unit is connected with the main control unit, and the main control unit is connected with the main control unit.
The communication unit comprises a communication interface and a wireless communication module which are arranged on the host body, and the communication interface and the wireless communication module are connected with the main control unit.
The current-voltage sampling unit is a high-precision analog-to-digital converter ADS1115 with 16-bit resolution.
The utility model discloses simple structure, it is convenient to use, only need to be connected wiring unit and bus network's one end, can carry out bus network short circuit location's automated inspection, and the testing process is simple and convenient, and is efficient, looks for the mode of fault point for current dichotomy, need not frequent disconnection bus, and the staff need not to leave and get into safe region, has effectively guaranteed staff's safety when improving bus network short circuit location efficiency.
Drawings
Fig. 1 is a schematic diagram of the structure of the device of the present invention.
Figure 2 is the device of the utility model uses the wiring schematic diagram.
Detailed Description
The utility model discloses do not receive the restriction of following embodiment, can be according to the utility model discloses a technical scheme and actual conditions determine concrete implementation.
The invention will be further described with reference to the following examples and drawings:
embodiment 1, as shown in fig. 1, 2, the embodiment of the utility model discloses bus network short circuit location detection device, including the host computer body, be provided with result display element and wiring unit on the host computer body, this internal master control unit, current-voltage sampling unit and the power supply unit of being provided with of host computer, master control unit is connected with current-voltage sampling unit, result display element, wiring unit and power supply unit respectively.
In the above embodiment, the wiring unit may be a wiring terminal, which connects the bus network and the current-voltage sampling unit, and establishes a voltage-current-voltage detection sampling link between the bus network and the current-voltage sampling unit. The current and voltage sampling unit is the prior known technology, detects voltage measurement data and current measurement data of an acquisition bus network, can be but not limited to a high-precision analog-to-digital converter ADS1115 with 16-bit resolution, can effectively complete acquisition measurement and analog-to-digital conversion on voltage and current, the ADS1115 adopts ultra-small lead-free QFN-10 package or MSOP-10 package, the precision, power consumption and implementation simplicity are considered during design, an on-board reference and an oscillator are provided, data are transmitted through I2C compatible serial connection, and 4I 2C slave addresses can be selected.
In the above embodiment, the main control unit is a known technology in the prior art, and may be an ARM processor, which presets a resistance value of each meter of the wire in which the bus network is stored, and performs simple calculation processing on the resistance value of each meter of the wire, the voltage measurement data, and the current measurement data after receiving the voltage measurement data and the current measurement data transmitted by the current and voltage sampling unit, where the calculation processing is a known technology in the prior art, and specifically is: firstly, voltage measurement data and current measurement data are utilized to obtain a corresponding resistance value (namely, the short-circuit resistance of the bus network), and then, a short-circuit distance (namely, the short-circuit distance = the short-circuit resistance of the bus network divided by the wire resistance of each meter divided by 2) is obtained according to the short-circuit resistance of the bus network and the wire resistance value of each meter, so that the short-circuit positioning of the bus network is completed.
In the above embodiments, the result display unit is configured to display the bus network short circuit positioning result. The power supply unit provides a stable power supply for the main control unit and can be a charging power supply.
To sum up the embodiment of the utility model provides a simple structure, it is convenient to use, only needs to be connected wiring unit and bus network's one end, can carry out bus network short circuit location's automated inspection, and the testing process is simple and convenient, and is efficient, for the mode of current dichotomy searching fault point, need not frequent disconnection bus, and the staff need not to leave and get into safe region, has effectively guaranteed staff's safety when improving bus network short circuit location efficiency.
Embodiment 2, as shown in fig. 1 and 2, the embodiment of the utility model discloses a bus network short circuit location detection device, wherein the result display element further includes display module and voice prompt module, and display module and voice prompt module all are connected with the main control unit.
In the above embodiment, the display module may be an existing digital display screen, and displays the wire resistance per meter of the bus network, the short-circuit resistance of the bus network, and the short-circuit distance of the bus network. The voice prompt module can be the current voice broadcast module for data and parameters such as per meter wire resistance of voice broadcast bus network, the short circuit resistance of bus network, the short circuit distance of bus network.
Embodiment 3, as shown in fig. 1, 2, the embodiment of the utility model discloses bus network short circuit location detection device, still further include the interactive unit and the interface that charges, the interactive unit with charge the interface and all set up on the host computer body, the interactive unit is connected with the main control unit, charge the interface and be connected with power unit.
In the above embodiment, the interaction unit includes a key module and the like, and is used for the staff to set parameters for the main control unit. The charging interface is used when charging the power supply unit.
Embodiment 4, as shown in fig. 1 and 2, the embodiment of the utility model discloses bus network short circuit location detection device still further includes the communication unit, and the communication unit is including setting up communication interface and the wireless communication module on the host computer body, and communication interface and wireless communication module all are connected with the main control unit.
In the above embodiment, the communication unit includes a communication interface and a wireless communication module, and is respectively used for the main control unit to communicate with the front end and the far end, and send the parameters, the intermediate data and the result data of the main control unit to the front end and the far end, and the short circuit positioning detection result of the bus network can be checked in time with the staff, so that the bus network can be maintained in time, and the stable operation of the bus network is ensured.
Above technical feature constitutes the utility model discloses a best embodiment, it has stronger adaptability and best implementation effect, can increase and decrease unnecessary technical feature according to actual need, satisfies the demand of different situation.
Claims (8)
1. The short-circuit positioning detection device for the bus network is characterized by comprising a host body, wherein a result display unit and a wiring unit are arranged on the host body, a main control unit, a current and voltage sampling unit and a power supply unit are arranged in the host body, and the main control unit is respectively connected with the current and voltage sampling unit, the result display unit, the wiring unit and the power supply unit.
2. The bus network short circuit positioning detection device as claimed in claim 1, wherein the result display unit comprises a display module and a voice prompt module, and both the display module and the voice prompt module are connected with the main control unit.
3. The bus network short-circuit positioning detection device according to claim 1 or 2, further comprising an interaction unit and a charging interface, wherein the interaction unit and the charging interface are both arranged on the host body, the interaction unit is connected with the main control unit, and the charging interface is connected with the power supply unit.
4. The bus network short-circuit positioning detection device as claimed in claim 1 or 2, further comprising a communication unit, wherein the communication unit comprises a communication interface and a wireless communication module arranged on the host body, and the communication interface and the wireless communication module are both connected with the main control unit.
5. The device as claimed in claim 3, further comprising a communication unit, wherein the communication unit comprises a communication interface and a wireless communication module disposed on the host body, and the communication interface and the wireless communication module are connected to the main control unit.
6. The bus network short circuit positioning detection device according to claim 1, 2 or 5, wherein the current and voltage sampling unit is a 16-bit resolution high-precision analog-to-digital converter ADS1115.
7. The bus network short circuit positioning detection device of claim 3, wherein the current and voltage sampling unit is a 16-bit resolution high-precision analog-to-digital converter ADS1115.
8. The bus network short circuit positioning detection device as claimed in claim 4, wherein the current voltage sampling unit is a 16-bit resolution high-precision analog-to-digital converter ADS1115.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221982926.1U CN218512598U (en) | 2022-07-29 | 2022-07-29 | Bus network short circuit positioning detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221982926.1U CN218512598U (en) | 2022-07-29 | 2022-07-29 | Bus network short circuit positioning detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218512598U true CN218512598U (en) | 2023-02-21 |
Family
ID=85207560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221982926.1U Active CN218512598U (en) | 2022-07-29 | 2022-07-29 | Bus network short circuit positioning detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218512598U (en) |
-
2022
- 2022-07-29 CN CN202221982926.1U patent/CN218512598U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105759147B (en) | A kind of integrated testing device of cell management system of electric automobile | |
| CN106872835A (en) | A kind of on-site detecting device of electric automobile DC charging motor | |
| CN212111632U (en) | Fill electric pile interoperability detection device | |
| CN205333777U (en) | Phase to earth fault positioner | |
| CN218512598U (en) | Bus network short circuit positioning detection device | |
| CN105182107A (en) | Detection device, system and method | |
| CN212022359U (en) | Charging gun with metering function | |
| CN206773127U (en) | A kind of distribution net work earthing fault alignment system coordinated with station equipment | |
| CN205280908U (en) | New energy automobile battery package test verifying attachment | |
| CN116027207A (en) | Battery electric quantity detection circuit, electronic equipment and electric quantity metering method | |
| CN206209080U (en) | Intelligent storage battery monitoring device and network | |
| CN213875900U (en) | Partial discharge detection device based on cross-connection box | |
| CN106383323A (en) | Intelligent storage battery monitoring device and network | |
| CN208508585U (en) | Intelligent charging system based on power carrier | |
| CN207457407U (en) | Portable simple 2M line test equipments | |
| CN212379467U (en) | Voltage sampling device | |
| CN218629945U (en) | Circuit for connecting electric energy meter and charging gun head | |
| CN205263237U (en) | Handheld low forced lubrication electric detection means | |
| CN218916223U (en) | Charging and data transmission integrated optical positioning system | |
| CN205139250U (en) | Power supply ground resistance measuring device of factory | |
| CN203117331U (en) | Detection device for high-density electrical prospecting apparatus electrode numbers | |
| CN214623352U (en) | Communication circuit of battery management system and terminal equipment | |
| CN218037034U (en) | Non-contact complementary induction type contact net charged state monitoring system | |
| CN219609704U (en) | Wireless electronic lock control system of explosion-proof switch for coal mine | |
| CN103399198A (en) | Current sensor auxiliary device having SOC (system on chip) computing function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |