CN107167173A - Detection means and detecting system for bus - Google Patents

Abstract

Various embodiments of the present disclosure provide a detection device for a busbar (100) and a detection system for a busbar (100), the detection device being pre-installed in a tapping unit on the busbar (100) (200) to detect the running state of the bus section at the location of the tapping unit (200), the detection device includes: a measuring unit (210), configured to measure the location of the tapping unit (200) One or more physical signals on the bus section at; and a sending unit (220), configured to send status information associated with the measured one or more physical signals to a local server (400).

Description

Detection device and detection system for busbar

technical field

Various embodiments of the present disclosure generally relate to detection devices for busbars and detection systems including detection devices.

Background technique

With the extensive development of bus in the field of industry and buildings, the safety of its electrical facilities has attracted more and more attention. At present, wired monitoring is generally used, which has the following disadvantages: (1) The detection device is mainly used at the joint of the bus Or at the main line (2) the busbar and the detection device need to be installed twice, that is, the plug-and-play function is not supported; (3) the monitored position cannot be clearly identified, so when a fault occurs, it is difficult to realize the location of the fault and (4) there is customization when installing components, that is, different installation equipment may be required according to different busbars.

Therefore, it is desired to provide a detection system that can actively and real-time monitor the operating status (such as temperature and power parameters, etc.) of bus sections at multiple locations on the bus, so as to provide users with a convenient and low-cost way to understand the bus The real-time running status of the system, and then protect the electrical equipment in advance.

Contents of the invention

In order to solve the above problems, embodiments of the present disclosure provide a detection device pre-installed (or integrated) in a tap unit on a bus and a detection system including the detection device.

The first aspect of the present disclosure relates to a detection device for a busbar, the detection device is pre-installed in a tap unit on the busbar to detect the running state of the bus section at the location of the tap unit, the detection device Including: a measuring unit configured to measure one or more physical signals on the bus section at the location of the tapping unit; and a sending unit configured to send a signal related to the measured one or more physical signals to a local server Link status information.

Since such detection equipment is pre-installed or integrated in the tapping unit, the plug-and-play of the detection equipment is realized without the need for secondary installation on site by staff. In addition, since the measuring unit can directly measure physical signals on the bus section, the accuracy of the measured physical parameters is ensured.

According to an embodiment of the present disclosure, the one or more physical signals include, but are not limited to: temperature, current, voltage, and power.

According to an embodiment of the present disclosure, the sending unit includes an antenna, and is configured to send the state information to the local server through a wireless communication protocol.

According to an embodiment of the present disclosure, the wireless communication protocol includes ZigBee protocol. Since the ZigBee protocol is a local area network protocol with low power consumption, low complexity, high noise immunity, and high scalability, it is especially suitable for the detection system for the bus involved in various embodiments of the present disclosure, for example communication in .

According to an embodiment of the present disclosure, the detection device further includes: an analyzing unit, coupled between the measuring unit and the sending unit, configured to receive the measured one or more physical signals from the measuring unit, and convert the one or more physical signals or multiple physical signals into status information to be transmitted by the transmitting unit.

According to an embodiment of the present disclosure, the analyzing unit is configured as an analog-to-digital converter for converting the one or more physical signals into digitized status information to be transmitted by the transmitting unit.

According to an embodiment of the present disclosure, the detection device further includes: a power supply unit configured to directly obtain electric energy from the bus and supply power to other components in the detection device. Since the power supply unit supports direct access to electrical energy from the bus, no additional power supply (for example, battery) is required to power other units in the detection device (for example, power for the analysis unit), thereby improving the integration of the detection device .

According to an embodiment of the present disclosure, the analysis unit may include an identification unit configured to set an identification recognizable by the local server for the detection device. By marking (or coding) the corresponding detection equipment in each tap unit, the active and real-time monitoring of the operation of the bus section at a specific location is realized.

The second aspect of the present disclosure relates to a detection system for a busbar, the detection system includes one or more tapping units installed on the busbar, wherein each tapping unit includes the detection device.

According to an embodiment of the present disclosure, the detection system further includes: a router configured to receive state information indicating the state of the corresponding bus section from each detection device; a local server, linked with the router, configured to receive, store, and analyze The status information, and sending the status information to the cloud server via the Internet, so as to realize the sharing of the status information.

According to an embodiment of the present disclosure, the local server includes a display unit configured to display the status information, so as to realize real-time display of the working status, temperature and related power data of each tapping unit.

Since the detection device according to various embodiments of the present disclosure is pre-installed or integrated in the tapping unit, plug-and-play of the detection device is realized. In addition, by marking (or coding) the corresponding detection equipment in each tap unit, active and real-time monitoring of the operation of the bus section at a specific location is realized.

Description of drawings

1 shows a schematic diagram of a detection system for a bus according to an embodiment of the present disclosure; and

Fig. 2 shows a structural block diagram of a detection device for a bus installed in a tapping unit according to an embodiment of the present disclosure.

detailed description

The principles of the disclosure will be described below with reference to several example embodiments illustrated in the accompanying drawings. Although the preferred embodiments of the present disclosure are shown in the drawings, it should be understood that these embodiments are only described to enable those skilled in the art to better understand and implement the present disclosure, but not to limit the scope of the present disclosure in any way.

Fig. 1 schematically shows a detection system for a busbar 100 according to an embodiment of the present disclosure.

As shown in FIG. 1 , the detection system includes one or more (as shown in FIG. 1 , four) tapping units 200 installed on the bus bar 100 , wherein each tapping unit 200 includes a detection device.

According to the specific embodiment shown in Figure 1, the detection system also includes the following main equipment: router 300, which is configured to receive status information indicating the operating status of the corresponding bus section from each detection device; local server 400, which communicates with the The router 300 is connected and configured to receive, store, analyze the state information, and send the state information to the cloud server 500 via a network (for example, the Internet), so as to realize sharing of the state information.

According to an embodiment of the present disclosure, the local server 400 may include a display unit (not shown) configured to display the status information, so as to realize real-time display of the working status, temperature and related power data of each tapping unit.

As shown in Figure 1, four detection devices for this busbar 100 are respectively pre-installed in the corresponding four tapping units 200 on this busbar 100 to detect the contact position of this busbar 100 with tapping unit 200 Status of the bus section. It should be pointed out that although only four tapping units 200 (or detection devices) are shown in Fig. 1, those skilled in the art should understand that more or a smaller number of tap units 200 (or detection devices).

Fig. 2 shows a structural block diagram of a detection device for a busbar 100 installed in a tapping unit 200 according to an embodiment of the present disclosure. The detection device will be described in detail below with reference to FIG. 2 and FIG. 1 .

As shown in Figure 2, the detection device includes the following main units: a measuring unit 210, which is configured to measure one or more physical signals on the bus section at the location of the tapping unit 200; and a sending unit 220, which is configured It is configured to send status information associated with the measured one or more physical signals to the local server 400 shown in FIG. 1 .

According to an embodiment of the present disclosure, the one or more physical signals include, but are not limited to: temperature, current, voltage, and power.

According to an embodiment of the present disclosure, the measurement unit 210 includes sensors for measuring the one or more physical signals (eg, temperature, current, voltage, and power). It should be pointed out that the present disclosure is not intended to limit the number and types of sensors, and it should also be pointed out that a single sensor can be configured as a multi-mode sensor capable of measuring at least two physical signals simultaneously.

According to the specific embodiment shown in Figure 2, the detection device includes three measuring units 210, which are connected to the corresponding three conductors A, B, C respectively, and the three conductors A, B, C are connected to the conductive ground of the bus section The contact obtains physical signals such as temperature, current, voltage and power and transmits these physical signals to the analysis unit 230 as shown in FIG. 2 for subsequent data analysis. In this specific embodiment, the three conductors A, B, C respectively correspond to the three phases in the power system, and the conductor D corresponds to the neutral line (N line) in the power system. One end of the branch busbar is connected to the main busbar 100 through a slot (not shown) and is in conductive contact with the conductor, and the other end of the branch busbar is connected to the electrical equipment. Thus, when a fault occurs at the connection between the branch busbar and the slot and the temperature of the contact point rises, for example, the measuring unit 210 in the detection device can detect the rise in temperature and can then send an alarm to the user through the sending unit 220 . In such a way, the pre-protection of electrical equipment (especially for some important loads) is realized without the need for the user to regularly check the operation of the busbar (especially the connection between the branch busbar and the main busbar) .

In the specific embodiment shown in FIG. 2 , the sending unit 220 is an antenna, and is configured to send the state information to the local server 400 through a wireless communication protocol. According to an embodiment of the present disclosure, the wireless communication protocol may include a ZigBee protocol. Since the ZigBee protocol is a local area network protocol with low power consumption, low complexity, high noise immunity, and high scalability, it is especially suitable for the detection system for the bus involved in various embodiments of the present disclosure, for example communication in .

Alternatively, the sending unit 220 may also send the state information to the local server 400 in a wired manner, for example, send the state information to the local server 400 through a cable or an optical fiber.

As shown in Figure 2, the detection device also includes an analysis unit 230, which is coupled between the measurement unit 210 and the transmission unit 220, the analysis unit 230 is configured to receive one or more measured physical signals from the measurement unit 210 , and convert the one or more physical signals into status information to be sent by the sending unit 220 .

According to an embodiment of the present disclosure, the analysis unit 230 may include an analog-to-digital (A/D) converter, so as to convert one or more physical signals into digitized state information to be transmitted by the transmission unit 220 for use in Subsequent analysis of status information.

As shown in FIG. 2 , the detection device further includes a power supply unit 240 configured to directly obtain electric energy from the bus 100 and supply power to other components in the detection device such as the analysis unit 230 . Fig. 2 schematically shows the live line (L line) and the neutral line (N line) of the power supply circuit, wherein the live line (L line) is used to obtain electric energy from any one of A, B, and C. Since the power supply unit 240 supports directly obtaining electric energy from the bus bar 100 , no additional power supply (for example, a battery) is needed to power other units in the detection device, thereby improving the integration of the detection device.

According to an embodiment of the present disclosure, the analysis unit 230 may include an identification unit (not shown), for each detection device (or tap unit 200) and further for each detection device (or tap unit 200) through the branch bus ) is connected to the electrical device to set an identification (or code) that can be recognized by the local server 400 . The identification (or code) may be in one-to-one correspondence with the electrical equipment.

According to a specific embodiment of the present disclosure, the router 300 can receive the operation status of the bus at the position indicated by the identification from the corresponding detection device (or tapping unit) via the ZigBee wireless communication protocol through the identification, and Let the user understand the operation of the bus section at the specific location.

To sum up, various embodiments of the present disclosure provide a detection device for a busbar and a detection system including the detection device. This pre-installed or integrated detection device in the tapping unit realizes plug-and-play detection equipment. In addition, by marking (or coding) the corresponding detection equipment in each tap unit, the active and real-time monitoring of the operation of the bus section at the specific location is realized, and the advance detection of the corresponding electrical equipment is realized. Protect.

Claims (11)

1. A detection device for a busbar (100), characterized in that the detection device is pre-installed in a tapping unit (200) on the busbar (100), to detect the tapping unit ( 200) The operating state of the bus section at the location, the detection device includes: a measurement unit (210) configured to measure one or more physical signals on the bus section at the location of the tapping unit (200); and The sending unit (220) is configured to send status information associated with the measured one or more physical signals to the local server (400). 2. The detection device according to claim 1, wherein the one or more physical signals comprise: temperature, current, voltage and power. 3. The detection device according to claim 1, characterized in that the sending unit (220) includes an antenna, and is configured to send the state information to the local server (400) through a wireless communication protocol. 4. The detection device according to claim 3, wherein the wireless communication protocol comprises ZigBee protocol. 5. The detection device according to claim 1, further comprising: an analysis unit (230), coupled between the measurement unit (210) and the transmission unit (220), configured to receive the measured one or more physical signals from the measurement unit (210), and The one or more physical signals are converted into status information to be transmitted by the transmitting unit (220). 6. The detection device according to claim 5, characterized in that the analysis unit (230) is configured as an analog-to-digital converter for converting the one or more physical signals into (220) Digitized status information sent. 7. The detection device according to claim 1, further comprising: A power supply unit (240), configured to directly obtain electric energy from the busbar (100) and supply power to other components in the detection device. 8. The detection device according to claim 5 or 6, characterized in that the analysis unit (230) comprises an identification unit, configured to set an identification for the detection device that can be identified by the local server (400). 9. A detection system for a busbar (100), characterized in that it comprises one or more tapping units (200) installed on the busbar (100), wherein each tapping unit (200) includes The detection device according to any one of claims 1-8. 10. The detection system of claim 9, further comprising: a router (300), configured to receive status information from each detection device indicating the status of the corresponding bus section; The local server (400), linked with the router (300), is configured to receive, store, analyze the status information, and send the status information to the cloud server (500) via the Internet, so as to realize the status information shared. 11. The detection system according to claim 10, characterized in that the local server (400) comprises a display unit configured to display the status information.