CN212483686U - Power consumption information acquisition terminal power consumption detection device - Google Patents

Abstract

The utility model relates to a power consumption information acquisition terminal consumption detection device, including the standard source that is used for providing the alternating current-direct current power for the acquisition terminal that awaits measuring, a consumption detecting element for detecting each function module alternating current-direct current consumption that awaits measuring, a virtual terminal that is used for testing each function module agreement that awaits measuring and mutual flow with be used for exporting the adaptation detecting element of adaptation signal and detection feedback signal, consumption detecting element is connected with each function module that awaits measuring respectively, virtual terminal, adaptation detecting element respectively with each function module interconnect that awaits measuring, the quantity of adaptation detecting element is unanimous with the quantity of function module that awaits measuring, adaptation detecting element still is connected with virtual table, the adaptation signal is including exporting pulse signal and the switching value for each function module that awaits measuring, and export the analog quantity for virtual table. Compared with the prior art, the utility model discloses can independently carry out the alternating current-direct current consumption to each functional module of power consumption information acquisition terminal and detect.

Description

Power consumption information acquisition terminal power consumption detection device

Technical Field

The utility model belongs to the technical field of the power equipment detection technique and specifically relates to a power consumption information acquisition terminal consumption detection device is related to.

Background

The electricity consumption information acquisition terminal is equipment for acquiring electricity consumption information of each information acquisition point, is generally called as an acquisition terminal for short, and is equipment capable of realizing data acquisition, data management, data bidirectional transmission and forwarding or executing control commands of the electric energy meter.

For guaranteeing the reliable operation of collection terminal, need detect the consumption of collection terminal, the tradition adopts the whole measurement mode, detect to the whole consumption of collection terminal, however along with the development of collection terminal technique, present collection terminal is the module form mostly, include a plurality of functional module in collection terminal promptly, adopt the form of functional module combination, can improve the collection performance of collection terminal greatly, but also increased the consumption detection degree of difficulty of module collection terminal, because the operation attribute of each functional module is different, lead to current whole measurement mode can not detect out the consumption data of each functional module of collection terminal, be unfavorable for the reliable operation of follow-up collection terminal.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a power consumption information acquisition terminal consumption detection device in order to overcome the defect that above-mentioned prior art exists to carry out the purpose of independent consumption test to each functional module among the modularization collection terminal.

The purpose of the utility model can be realized through the following technical scheme: the utility model provides an electricity consumption information acquisition terminal consumption detection device, is including the standard source that is used for providing the alternating current-direct current power supply for the acquisition terminal that awaits measuring, be used for detecting each function module alternating current-direct current consumption that awaits measuring the consumption detecting element, be used for testing each function module agreement that awaits measuring and the virtual terminal of mutual flow and be used for outputting adaptation signal and detecting feedback signal's adaptation detecting element, consumption detecting element is connected with each function module that awaits measuring respectively, virtual terminal, adaptation detecting element respectively with each function module interconnect that awaits measuring, adaptation detecting element's quantity is unanimous with the quantity of function module that awaits measuring, adaptation detecting element still is connected with virtual table, the adaptation signal is including exporting the pulse signal and the switching value for each function module that awaits measuring and export the analog quantity for virtual table.

Furthermore, the power consumption detection unit comprises a direct current power consumption collector and an alternating current power consumption instrument, the direct current power consumption collector comprises a voltage sampling module and a current sampling module, the voltage sampling module is used for collecting a direct current voltage value of the functional module to be detected, the current sampling module is used for collecting a current value of the functional module to be detected, and therefore the direct current power consumption of the functional module to be detected is obtained through calculation.

Further, the voltage measurement accuracy of the voltage sampling module, the current measurement accuracy of the current sampling module, and the power measurement accuracy of the ac power consumption meter are all 0.2%.

Further, the adaptation detecting unit comprises a pulse generator, a switching value output module, a pulse detecting module, a switching value detecting module and an analog value generator, the adaptation detecting unit is further provided with an RS485 interface and an MBUS interface which are used for being in communication connection with the virtual meter, in the function detecting process, the adaptation detecting unit is used for providing adaptation signals required by detection to the function module to be detected, and feedback signals of the function module to be detected are detected.

Further, the RS485 interface adopts a 4-way/epitope form, and the MBUS interface adopts a 2-way/epitope form.

Furthermore, the switching value detection module comprises a remote signaling detection submodule and a remote control detection submodule, wherein the remote signaling detection submodule adopts a 4-channel/epitope form, and the remote control detection submodule adopts a 2-channel/epitope form.

Further, the output voltage range of the standard source is 50-380V, the accuracy of the output voltage is 0.1%, the output current range of the standard source is 0-10A, and the accuracy of the output current is 0.1%.

Furthermore, the virtual terminal is connected with each functional module through a USB-HUB respectively.

Compared with the prior art, the utility model has the advantages of it is following:

the utility model discloses a standard source with alternating current-direct current output function combines operation, adaptation detecting element output corresponding signal of each functional module that awaits measuring of virtual terminal switching control to give the functional module that awaits measuring to through setting up consumption detecting element, can detect the direct current consumption and the alternating current consumption of each functional module independently under different test operating conditions.

Two, the utility model discloses a each module to be measured corresponds and is connected with adaptation detecting element, corresponds the mode of being connected with virtual terminal, can avoid taking place mutual interference's problem among the consumption testing process to guarantee the accuracy of testing result.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic diagram of a power consumption detection scheme of a modular acquisition terminal in an embodiment;

the notation in the figure is: 1. the device comprises a standard source, 2, a power consumption detection unit, 21, a direct current power consumption collector, 22, an alternating current power consumption instrument, 3, a virtual terminal, 4, an adaptive detection unit, 41, a pulse generator, 42, a switching value output module, 43, a pulse detection module, 44, a switching value detection module, 441, a remote signaling detection submodule, 442, a remote control detection submodule, 45, an analog quantity generator, 5, a function module to be detected, 6 and a virtual table.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

Examples

As shown in figure 1, the power consumption detection device for the power consumption information acquisition terminal comprises a standard source 1, a power consumption detection unit 2, a virtual terminal 3 and an adaptation detection unit 4, wherein the power consumption detection unit 2 is connected with a functional module 5 to be detected, the virtual terminal 3 and the adaptation detection unit 4 are respectively connected with the functional module 5 to be detected, the number of the adaptation detection units 4 is consistent with that of the functional modules 5 to be detected, and the adaptation detection unit 4 is further connected with a virtual meter 6.

Wherein, the standard source 1 is used for respectively providing direct current and alternating current to the function module 5 to be tested, the power consumption detecting unit 2 comprises a direct current power consumption collector 21 and an alternating current power consumption meter 22 for respectively detecting the direct current power consumption and the alternating current power consumption of the function module 5 to be tested, the virtual terminal 3 is used for verifying the communication protocol of the function module 5 to be tested according to the test requirement and completing the interactive process of the function module 5 to be tested, the adaptation detecting unit 4 comprises a pulse generator 41, a switching value output module 42, a pulse detecting module 43, a switching value detecting module 44 and an analog generator 45, the adaptation detecting unit 4 is also provided with an RS485 interface and an MBUS interface for being in communication connection with the virtual meter 6, in the function detecting process, the adaptation detecting unit 4 is used for providing adaptation signals required by detection to the function module 5 to be tested and the virtual meter 6 and detecting the feedback signals of the function module 5 to be tested, specifically, the relay state of the functional module 5 to be tested is acquired through the remote signaling detection submodule 441 and the remote control detection submodule 442 in the switching value detection module 44 to determine whether the remote signaling function and the remote control function are normal, and the adaptation signal includes a pulse signal and a switching value output to the functional module 5 to be tested and an analog quantity output to the virtual meter 6.

In this embodiment, as shown in fig. 2, the dc power consumption collector includes a voltage sampling module and a current sampling module, the voltage sampling module is used to collect the dc voltage value of the functional module to be tested, the current sampling module is used to collect the current value of the functional module to be tested, so as to calculate the dc power consumption of the functional module to be tested, and by setting the no-load running condition and the full-load running condition, the static power consumption and the dynamic power consumption are respectively detected, the virtual terminal is connected with each functional module through the USB-HUB respectively, the adaptation detecting unit is set according to the parameters of the existing software, so as to provide and test the input and output parameters of different functional modules, the performance index when the specific power consumption is detected is:

(1) standard source output voltage range: 50-380V, standard source output voltage accuracy: 0.1 percent;

(2) standard source output current range: 0-10A, standard source output current accuracy: 0.1 percent;

(3) voltage measurement accuracy: 0.2%, current measurement accuracy: 0.2% and power measurement accuracy of 0.2%.

Be applied to reality with above-mentioned device to carry out the alternating current-direct current consumption to the functional module at power consumption information acquisition terminal and detect, concrete process is:

s1, verifying the communication protocol of the function module to be tested by the virtual terminal according to the detection requirement, if the verification is passed, executing the step S2, otherwise, executing the step S1 again;

s2, outputting direct current to the functional module to be tested by the standard source;

s3, keeping the no-load state of the function module to be tested, and respectively measuring the direct current voltage and the direct current of the function module to be tested by the power consumption detection unit according to a preset sampling interval so as to calculate and obtain the static direct current power consumption of the function module to be tested;

s4, the adaptation detection unit outputs pulse signals and switching values to the functional module to be tested to test whether the functional module to be tested operates normally, if the test is passed, the adaptation detection unit outputs analog quantity to the virtual table, otherwise, the step S4 is executed again;

s5, the function module to be tested starts to collect virtual table data, and the power consumption detection unit respectively measures the direct current voltage and the direct current of the function module to be tested according to the preset sampling interval so as to calculate and obtain the dynamic direct current power consumption of the function module to be tested;

s6, finishing the direct current power consumption detection process, and outputting alternating current to the functional module to be detected by the standard source;

s7, keeping the no-load state of the function module to be tested, and directly measuring the static alternating current power consumption of the function module to be tested by the power consumption detection unit according to the preset sampling interval;

s8, the adaptation detection unit outputs pulse signals and switching values to the functional module to be tested to test whether the functional module to be tested operates normally, if the test is passed, the adaptation detection unit outputs analog quantity to the virtual table, otherwise, the step S8 is executed again;

s9, the function module to be tested starts to collect virtual table data, and the dynamic alternating current power consumption of the function module to be tested is directly measured by the power consumption detection unit according to the preset sampling interval;

and S10, finishing the alternating current power consumption detection process so as to complete the power consumption detection of the functional module to be detected.

Above-mentioned process can act on different functional modules simultaneously, adopts the utility model provides a device can once only accomplish the consumption detection to different functional modules in the acquisition terminal, realizes the test of alternating current-direct current consumption and static, dynamic consumption, and can guarantee the test independence between the different functional modules, avoids taking place the phenomenon of data interference, guarantees the accuracy of detecting.

Claims (8)

1. The utility model provides an electricity consumption information acquisition terminal consumption detection device, its characterized in that, including be used for providing the AC/DC power for the standard source (1) of the acquisition terminal that awaits measuring, be used for detecting each power consumption detecting element (2) of function module (5) alternating current-direct current consumption that awaits measuring, be used for testing each virtual terminal (3) of function module (5) agreement and mutual flow that awaits measuring and adaptation detecting element (4) that are used for exporting adaptation signal and detect feedback signal, power consumption detecting element (2) are connected with each function module (5) that awaits measuring respectively, virtual terminal (3), adaptation detecting element (4) are interconnect with each function module (5) that awaits measuring respectively, the quantity of adaptation detecting element (4) is unanimous with the quantity of function module (5) that awaits measuring, adaptation detecting element (4) still are connected with virtual table (6), the adaptation signal is including pulse signal and the switching value of exporting each function module (5) that awaits measuring, And an analog quantity output to the virtual table (6).

2. The power consumption detection device of the power consumption information acquisition terminal according to claim 1, wherein the power consumption detection unit (2) comprises a direct current power consumption collector (21) and an alternating current power consumption meter (22), and the direct current power consumption collector (21) comprises a voltage sampling module and a current sampling module.

3. The power consumption information acquisition terminal power consumption detection device according to claim 2, wherein the voltage measurement accuracy of the voltage sampling module, the current measurement accuracy of the current sampling module, and the power measurement accuracy of the ac power consumption meter (22) are all 0.2%.

4. The power consumption information acquisition terminal power consumption detection device according to claim 1, wherein the adaptation detection unit (4) comprises a pulse generator (41), a switching value output module (42), a pulse detection module (43), a switching value detection module (44) and an analog generator (45), and the adaptation detection unit (4) is further configured with an RS485 interface and an MBUS interface for communication connection with the virtual meter (6).

5. The power consumption information acquisition terminal power consumption detection device of claim 4, wherein the RS485 interface is in a 4-way/epitope form, and the MBUS interface is in a 2-way/epitope form.

6. The power consumption information acquisition terminal power consumption detection device according to claim 5, wherein the switching value detection module (44) comprises a remote signaling detection submodule (441) and a remote control detection submodule (442), the remote signaling detection submodule (441) adopts a 4-way/epitope format, and the remote control detection submodule (442) adopts a 2-way/epitope format.

7. The power consumption detection device of the electricity information acquisition terminal according to claim 1, wherein the standard source (1) is specifically a standard source with an output voltage range of 50-380V, an output voltage accuracy of 0.1%, an output current range of 0-10A, and an output current accuracy of 0.1%.

8. The power consumption information collection terminal power consumption detection device according to claim 1, wherein the virtual terminal (3) is connected with each functional module through a USB-HUB respectively.

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