CN203180894U - Synchronizing signal generation device - Google Patents

Abstract

The utility model relates to a synchronous signal generating device, which comprises a casing, a control module, a signal output connection port, and a signal collection connection port. On the casing, the counting mechanism for recording the signal cycle, the cycle detection mechanism for detecting the input signal and the synchronous pulse generating mechanism are arranged in the control module. Compared with the prior art, the utility model can realize good signal output. In addition, the acquisition time of the synchronous signal is less than 10 minutes. The working time of using the device for single-point partial discharge test has been shortened from the original 51.68 minutes to the current 28.37 minutes, greatly saving the operation time.

Description

A synchronous signal generator

technical field

The utility model relates to a signal generating device, in particular to a synchronous signal generating device.

Background technique

In order to quickly promote the construction of the "condition-based maintenance" operation management mode of power equipment, that is, to arrange maintenance plans according to the health status of the equipment, and implement equipment maintenance operations to reduce power outage time. "Extra-high voltage cable partial discharge test" is one of the most advanced and effective measures in the current global power cable detection methods, and it is the best way to realize the monitoring of cable line status. However, before this test method was mainly used in various cable laboratories and factory tests of cable manufacturers. It has an ideal working environment, stray interference signals are almost zero, and the test conditions are very superior. In comparison, the on-site environment of cables that have been put into operation is complex, and it is difficult to collect and distinguish partial discharge signals, and there is no experience in field testing of cables in operation for reference. Therefore, how to overcome the above technical problems has become a technical bottleneck that needs to be solved urgently. , achieving a good signal output is one of the key technical issues.

Utility model content

The purpose of this utility model is to provide a synchronous signal generating device for realizing good signal output in order to overcome the above-mentioned defects in the prior art.

The purpose of this utility model can be achieved through the following technical solutions:

A synchronous signal generating device, comprising a housing, a control module, a signal output wiring port, and a signal collection wiring port, the control module is arranged in the housing, the signal output wiring port and the signal collection The wiring ports are respectively opened on the shell,

The control module is provided with a counting mechanism for recording signal cycles, a cycle detection mechanism for detecting input signals, and a synchronous pulse generating mechanism.

The control module is respectively connected to the signal output connection port and the signal collection connection port through the connection wires.

The counting mechanism is a mechanism for counting the input signal to detect the synchronous period of the signal.

The period detection mechanism is a mechanism for detecting the input signal with the above-mentioned period according to the period obtained by the counting mechanism.

The synchronous pulse generating mechanism is a signal output mechanism that outputs a pulse of a synchronous period with the detected input signal.

Compared with the prior art, the utility model can realize good signal output. In addition, the acquisition time of the synchronous signal is less than 10 minutes. The working time of using the device for single-point partial discharge test has been shortened from the original 51.68 minutes to the current 28.37 minutes, greatly saving the operation time.

Description of drawings

Fig. 1 is the structural representation of the utility model.

In the figure, 1 is the casing, 2 is the control module, 3 is the signal output connection port, and 4 is the signal acquisition connection port.

Detailed ways

The utility model will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

Example

A synchronous signal generating device, the structure of which is shown in Figure 1, comprising a housing 1, a control module 2, a signal output connection port 3, a signal acquisition connection port 4, the control module 2 is arranged in the casing, and the control module 2 is arranged The counting mechanism for recording the signal period, the period detection mechanism for detecting the input signal, and the synchronous pulse generating mechanism, wherein the counting mechanism is used to count the input signal to detect the signal synchronization period, and the period detection mechanism is used to detect the cycle obtained by the counting mechanism. With the input signal having the above period, the synchronous pulse generator is used to output a pulse signal with a period synchronous with the detected input signal. The signal output connection port 3 and the signal collection connection port 4 are opened on the housing 1 respectively, and the control module 2 is respectively connected to the signal output connection port 3 and the signal collection connection port 4 through connecting wires.

Claims (5)

1. synchronization signal generating apparatus, it is characterized in that, this device comprises housing, control module, signal output connection mouth, signals collecting connection jaws, described control module is arranged in the described housing, described signal output connection mouth and described signals collecting connection jaws are opened on the housing respectively

The counting device in tracer signal cycle, cycle detection mechanism and the lock-out pulse generating mechanism of detection input signal are set in the described control module.

2. a kind of synchronization signal generating apparatus according to claim 1 is characterized in that, described control module is connected with signal output connection mouth and signals collecting connection jaws respectively through connecting line.

3. a kind of synchronization signal generating apparatus according to claim 1 is characterized in that, described counting device is for to count with the detection signal mechanism of synchronizing cycle input signal.

4. a kind of synchronization signal generating apparatus according to claim 1 is characterized in that, in the described cycle of cycle detection mechanism for obtaining according to counting device, detection has the mechanism of the input signal in above-mentioned cycle.

5. a kind of synchronization signal generating apparatus according to claim 1 is characterized in that, described lock-out pulse generating mechanism is the signal output mechanism of output with the pulse that detects input signal synchronizing cycle.

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