CN216956230U

CN216956230U - General sonar transducer insulation detection device

Info

Publication number: CN216956230U
Application number: CN202122922320.0U
Authority: CN
Inventors: 胡思敏; 葛吉勇
Original assignee: Haiying Enterprise Group Co Ltd
Current assignee: Haiying Enterprise Group Co Ltd
Priority date: 2021-11-25
Filing date: 2021-11-25
Publication date: 2022-07-12
Anticipated expiration: 2031-11-25

Abstract

The utility model discloses a general sonar transducer insulation detection device, which belongs to the field of sonar transducers and comprises an interface matching unit, a high-voltage generating unit, an output adjusting unit, a measurement display unit and a power supply unit; the output adjusting unit, the high voltage generating unit and the interface matching unit are sequentially connected, and the general sonar transducer insulation detecting device is connected with a transducer to be detected through the interface matching unit; the power supply unit supplies power to the high-voltage generation unit, the output adjustment unit and the measurement display unit. And adjusting the high voltage generating unit to generate a rated high voltage value according to the test requirement, inputting the transducer to be detected through the interface matching unit, and inputting the seepage current generated by the load of the transducer into the measurement display unit for displaying, thereby detecting the insulation value of the transducer.

Description

General sonar transducer insulation detection device

Technical Field

The utility model relates to the technical field of sonar transducers, in particular to a general sonar transducer insulation detection device.

Background

In China, the sea is wide, and the position of each sonar for detecting underwater targets is particularly important in national defense; the transducer, which is the core technology of sonar, plays a role in transmitting high-power signals and receiving target reflection and signals emitted by the target in sonar equipment.

The insulation value of a transducer is an important performance indicator for equipment in production and field maintenance. The insulating value of transducer reduces, can cause very big influence to the performance of transducer, causes transmitting circuit to damage even, consequently needs a detection device, detects the transducer insulating nature when sonar equipment is in production debugging and maintenance process.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a general sonar transducer insulation detection device to solve the problems in the background art.

In order to solve the technical problem, the utility model provides a general sonar transducer insulation detection device which comprises an interface matching unit, a high-voltage generation unit, an output adjustment unit, a measurement display unit and a power supply unit, wherein the interface matching unit is used for receiving a high-voltage signal;

the output adjusting unit, the high voltage generating unit and the interface matching unit are sequentially connected, and the universal sonar transducer insulation detecting device is connected with a transducer to be detected through the interface matching unit;

the power supply unit supplies power to the high voltage generation unit, the output adjustment unit and the measurement display unit.

Optionally, the interface matching unit includes a band switch S2 and a connector, and is used to connect the transducer load to be tested and the cabinet, and select an appropriate test port for inspection according to the test requirements.

Optionally, the voltage range of the power supply unit is 5-9V.

Optionally, the high voltage generating unit includes a DC/DC converter D1, a capacitor C and a resistor R4, and is used for generating a high voltage required for detection; the capacitor C and the resistor R4 are connected in parallel on the DC/DC converter D1.

Optionally, the output adjusting unit includes a resistor R1, a resistor R2, a resistor R3, and a band switch S1; the resistor R1, the resistor R2 and the resistor R3 are all connected with the DC/DC converter D1, and are respectively connected with the resistors R1, R2 or R3 through the band switch S1 according to detection requirements, and different configurations are selected, so that the DC/DC converter D1 outputs voltage meeting the detection requirements.

Optionally, the measurement display unit includes a gauge head M, a resistor R5 and a potentiometer RP; the wave band switch S1, the resistor R5, the potentiometer RP and the wave band switch S2 are connected in series, the DC/DC converter D1 generates high voltage and then selects a test channel through the wave band switch S2, the high voltage is input into a transducer load to be detected, and the penetration current generated in a loop is displayed through the meter head M, so that the insulation value of the transducer load is obtained.

The general sonar transducer insulation detection device provided by the utility model has the following beneficial effects:

(1) in the debugging and repairing process, the detection accuracy is extremely high, the direct-current low-voltage power supply is adopted, the device is suitable for being used in a high-humidity environment where the transducer is located, and the personal safety of operating personnel is greatly protected;

(2) insulation detection can be performed on different types of transducers, a multi-interface matching unit is adopted, interface configuration is changed according to a detection object, measurement from the unit to a cabinet can be performed, and the application range is wide;

(3) the portable debugging device is convenient to carry and transport, can be widely applied to field debugging and maintenance, and simultaneously increases the way for detecting and removing faults by technical service personnel;

(4) the modularized design is adopted, the circuit is simple, the manufacturing cost is low, the labor cost is low, the mass production speed is high, and the precision is high.

Drawings

FIG. 1 is a schematic block diagram of a general sonar transducer insulation detection device provided by the present invention;

FIG. 2 is a schematic diagram of the general sonar transducer insulation detection device provided by the present invention connected with a transducer to be detected;

fig. 3 is a schematic circuit structure diagram of the general sonar transducer insulation detection device provided by the utility model.

Detailed Description

The following describes in detail a general sonar transducer insulation detection device according to the present invention with reference to the accompanying drawings and specific embodiments. Advantages and features of the present invention will become apparent from the following description and from the claims. It is to be noted that the drawings are in a very simplified form and are not to precise scale, which is merely for the purpose of facilitating and distinctly claiming the embodiments of the present invention.

Example one

The utility model provides a general sonar transducer insulation detection device, a schematic diagram of which is shown in figure 1 and comprises an interface matching unit, a high-voltage generation unit, an output adjustment unit, a measurement display unit and a power supply unit; the output adjusting unit, the high voltage generating unit and the interface matching unit are sequentially connected, and the universal sonar transducer insulation detecting device is connected with a transducer to be detected through the interface matching unit; the power supply unit supplies power to the high-voltage generation unit, the output adjustment unit and the measurement display unit.

The connection diagram of the transducer to be detected and the general sonar transducer insulation detection device provided by the utility model is shown in fig. 2. The utility model is introduced by taking a single-path transducer as an example, the transducer is connected with an interface matching unit, and in practical application, the interface matching mode and the test parameters of the transducer insulation detection device can be adjusted according to the specific interface form and the test requirement of the transducer.

Fig. 3 is a circuit diagram of the transducer insulation detection device, which mainly comprises a DC/DC converter D1 and its corresponding peripheral circuits. The wave band switch S2 and the related connectors A1-An and B1-Bn form An interface matching unit which is used for being connected with the transducer load to be detected and the cabinet, and a proper test port is selected for inspection according to test requirements. The power supply T is a power supply unit, and is generally 5-9V. The duplex switch SA is a switch for controlling the power supply T of the transducer insulation detection device, and the switching state of the DC/DC converter D1. The DC/DC converter D1, a capacitor C of a peripheral device and a resistor R4 form a high voltage generating unit for generating high voltage required by detection. The waveband switch S1 and the resistors R1, R2 and R3 form an output adjusting unit, and can be respectively connected with R1, R2 and R3 through the waveband switch S1 according to detection requirements, and different configurations are selected to enable the DC/DC converter D1 to output voltage meeting the detection requirements. Meanwhile, the types of the voltages can be increased or decreased according to actual needs, and three voltages are output as an example. The gauge head M, the resistor R5 and the potentiometer RP form a measurement display unit. After generating high voltage, the DC/DC converter D1 selects a test channel through the band switch S2, inputs the transducer load to be detected, and displays the seepage current generated in the loop through the meter head M, thereby obtaining the insulation value of the transducer load.

The transducer insulation detection device adopts the DC/DC converter integrated circuit module for power supply, has high integration, simple peripheral circuit, fast generation of high voltage, capability of realizing fast test, great improvement of the working efficiency of production and repair, simple operation, capability of being operated by one person and great reduction of required matched personnel. Less restricted by external factors and provides effective and powerful guarantee for production and repair work under specific conditions.

The above description is only for the purpose of describing the preferred embodiments of the present invention, and is not intended to limit the scope of the present invention, and any variations and modifications made by those skilled in the art based on the above disclosure are within the scope of the appended claims.

Claims

1. A general sonar transducer insulation detection device is characterized by comprising an interface matching unit, a high voltage generation unit, an output adjustment unit, a measurement display unit and a power supply unit;

the power supply unit supplies power to the high-voltage generation unit, the output adjustment unit and the measurement display unit.

2. The insulation detection device for the universal sonar transducer according to claim 1, wherein the interface matching unit comprises a band switch S2 and a connector, and is used for connecting a transducer load to be detected and a cabinet, and selecting an appropriate test port for inspection according to test requirements.

3. The general sonar transducer insulation detection device according to claim 2, wherein the voltage range of the power supply unit is 5-9V.

4. The general sonar transducer insulation detection device according to claim 3, wherein the high voltage generation unit includes a DC/DC converter D1, a capacitor C and a resistor R4, and is configured to generate a high voltage required for detection; the capacitor C and the resistor R4 are connected in parallel on the DC/DC converter D1.

5. The general sonar transducer insulation detection device according to claim 4, wherein the output adjustment unit includes a resistor R1, a resistor R2, a resistor R3, and a band switch S1; the resistor R1, the resistor R2 and the resistor R3 are all connected with the DC/DC converter D1, and are respectively connected with the resistors R1, R2 or R3 through the band switch S1 according to detection requirements, and different configurations are selected, so that the DC/DC converter D1 outputs voltage meeting the detection requirements.

6. The general sonar transducer insulation detecting device according to claim 5, wherein the measurement display unit includes a gauge head M, a resistor R5, and a potentiometer RP; the wave band switch S1, the resistor R5, the potentiometer RP and the wave band switch S2 are connected in series, the DC/DC converter D1 generates high voltage and then selects a test channel through the wave band switch S2, inputs a transducer load to be detected, and displays the penetration current generated in a loop through the meter head M, so that the insulation value of the transducer load is obtained.