CN211121263U - Signal conversion device and signal conversion board card - Google Patents
Signal conversion device and signal conversion board card Download PDFInfo
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- CN211121263U CN211121263U CN201921450578.1U CN201921450578U CN211121263U CN 211121263 U CN211121263 U CN 211121263U CN 201921450578 U CN201921450578 U CN 201921450578U CN 211121263 U CN211121263 U CN 211121263U
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Abstract
The utility model belongs to the technical field of nuclear radiation measuring equipment, concretely relates to provide a signal conversion equipment, signal conversion equipment includes: the on-off control circuit controls the on-off of the signal output by the signal conversion device based on the configuration; the signal conversion circuit is connected with the on-off control circuit, and performs voltage/frequency conversion processing on the received frequency signal based on the current voltage/frequency conversion ratio and outputs the converted frequency signal; and the adjusting circuit is connected with the signal conversion circuit, sends an adjusting instruction to the signal conversion circuit based on the configuration, generates a voltage/frequency conversion ratio corresponding to the adjusting instruction based on the received adjusting instruction, and performs voltage/frequency conversion processing on the received signal based on the voltage/frequency conversion ratio, so that a maintenance worker can quickly position the fault position.
Description
Technical Field
The disclosure belongs to the technical field of nuclear radiation measuring equipment, and particularly relates to a signal conversion device and a signal conversion board card.
Background
Generally, after signals output by a nuclear radiation detector are processed by a circuit, voltage type signals can be output, and in order to meet the technical requirements of subsequent data processing, a voltage frequency converter is required to be adopted to convert the voltage signals into frequency signals, so that the voltage frequency converter is widely applied to secondary radiation measurement instruments.
When a fault occurs during the operation of the voltage-frequency converter, the cause of the fault is complex, and in the related technology, the fault is difficult to be diagnosed accurately, which brings difficulty to the fault location of the single-channel analysis device.
SUMMERY OF THE UTILITY MODEL
In order to overcome the problems in the related art, a signal conversion device and a signal conversion board card are provided.
According to an aspect of the embodiments of the present disclosure, there is provided a signal conversion apparatus including:
the on-off control circuit controls the on-off of the signal output by the signal conversion device based on configuration;
the signal conversion circuit is connected with the on-off control circuit, and performs voltage/frequency conversion processing on the received frequency signal based on the current voltage/frequency conversion ratio and outputs the converted frequency signal;
and the adjusting circuit is connected with the signal conversion circuit, sends an adjusting instruction to the signal conversion circuit based on the configuration, generates a voltage/frequency conversion ratio corresponding to the adjusting instruction based on the received adjusting instruction, and performs voltage/frequency conversion processing on the received signal based on the voltage/frequency conversion ratio.
In one possible implementation manner, the signal conversion apparatus further includes: the on-off control circuit comprises a relay;
the controller is connected with the relay, the controller generates and sends a first control instruction to the relay, and the relay forms an on-off mode corresponding to the first control instruction.
In one possible implementation, the controller is connected to the relay via an integrated circuit bus.
In one possible implementation, the regulating circuit comprises an electronic potentiometer;
the electronic potentiometer is connected with the controller, the controller generates and sends a second control instruction to the electronic potentiometer, and the electronic potentiometer generates an adjusting instruction corresponding to the second control instruction.
In one possible implementation, the controller is connected to the electronic potentiometer via an integrated circuit bus.
According to an aspect of the disclosed embodiment, a signal conversion board card is provided, which includes:
a power input socket, a signal output socket and the signal conversion device;
the power input socket is connected with the signal conversion device, and an external power supply supplies power to the signal conversion device through the power input socket;
the signal input socket is connected with the signal conversion device, and a signal generated by an external sensor is transmitted to the signal conversion device through the signal input socket;
the signal output socket is connected with the signal conversion device, and the signal output by the signal conversion device is output through the signal output socket.
The beneficial effect of this disclosure lies in: the signal conversion device of the embodiment of the disclosure can be used for simulating various faults, for example, the disconnection fault of an input signal can be simulated by configuring an on-off control circuit, and the linear distortion and other faults of an output signal can be simulated by configuring a regulating instruction of a regulating circuit to control the voltage/frequency conversion ratio of the signal conversion circuit, so that maintenance personnel can more accurately determine the reasons of various faults occurring in the actual application process of the signal conversion device by simulating the faults, and further quickly position the fault position. In addition, the signal conversion device of the embodiment of the disclosure can also be applied to signal conversion processing of daily nuclear radiation measurement.
Drawings
Fig. 1 is a schematic diagram illustrating a signal conversion apparatus according to an exemplary embodiment of the present disclosure.
Fig. 2 is a schematic diagram of a signal conversion board according to an exemplary embodiment of the present disclosure.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic diagram illustrating a signal conversion apparatus according to an exemplary embodiment of the present disclosure. As shown in fig. 1, the signal conversion apparatus may include:
the on-off control circuit U1 is used for controlling the on-off of the signal output by the signal conversion device based on configuration by the on-off control circuit U1;
the signal conversion circuit U2, the signal conversion circuit U2 is connected with the on-off control circuit U1, and the signal conversion circuit U2 performs voltage/frequency conversion processing on the received frequency signal based on the current voltage/frequency conversion ratio and outputs the converted frequency signal;
the adjusting circuit U3, the adjusting circuit U3 is connected to the signal conversion circuit U2, the adjusting circuit U3 sends an adjusting command to the signal conversion circuit U2 based on the configuration, and the signal conversion circuit U2 generates a voltage/frequency conversion ratio corresponding to the adjusting command based on the received adjusting command, and performs voltage/frequency conversion processing on the received signal based on the voltage/frequency conversion ratio.
As an example of the present embodiment, the signal conversion apparatus may include: the on-off control circuit U1 may include a relay, the controller may be connected to the relay, and a user may operate the controller, for example, through an operation panel (for example, the operation panel may be a keyboard or a touch display screen, etc.) connected to the controller, to generate and send a first control instruction to the relay, the relay forms an on-off mode corresponding to the first control instruction, for example, as shown in fig. 1, the user may drive the relay to turn on or off by using a digital processing board (an example of the controller, not shown in the figure) to control a high-low change of an output level of a signal MCU _ IO1 (an example of the first control instruction) to simulate a fault scene of signal on or signal off. In one possible implementation, the on-off control circuit may also include a mechanical switch, and the user may place the on-off control circuit in an on or off mode by toggling the mechanical switch on and off.
The signal conversion circuit U2 may be connected to the on/off control circuit U1, and the signal conversion circuit U2 may perform voltage/frequency conversion processing on the received frequency signal based on the current voltage/frequency conversion ratio and output the converted frequency signal. For example, as shown in fig. 1, the user may set the default voltage/frequency conversion ratio of the signal conversion circuit U2 to 1: 1mV/Hz, when the on-off control circuit U1 is IN the on state, the signal conversion circuit U2 may receive the signal DA _ IN and perform 1: voltage/frequency conversion process of 1 mV/Hz.
The adjusting circuit U3 may include an electronic potentiometer, which may also be connected to the controller, and the user may configure the controller to send a second control command to the electronic potentiometer, and the electronic potentiometer may generate and send an adjusting command corresponding to the second control command to the signal converting circuit U2, and the signal converting circuit U2 may generate a voltage/frequency conversion ratio corresponding to the adjusting command based on the received adjusting command, and perform a voltage/frequency conversion process on the received signal based on the voltage/frequency conversion ratio, in the above example, the user may write a signal having a control value (an example of the second control command) to the electronic potentiometer through the digital processing board, as shown in fig. 1, the signal may be formed by, for example, superimposing a signal MCU _ SC L and a signal MCU _ SDA, the signal may, for example, change a voltage value at a pin 1 input of the signal converting circuit U2, thereby achieving a change of the voltage/frequency conversion ratio of the signal converting circuit U2, may, for example, change the voltage/frequency conversion ratio from a default 1: 1/5/Hz to achieve a linear adjustment of the voltage/frequency conversion between the first control command and a linear control command, thereby achieving a linear control of the second control command.
The signal conversion device of the embodiment of the disclosure can be used for simulating various faults, for example, the disconnection fault of an input signal can be simulated by configuring an on-off control circuit, and the linear distortion and other faults of an output signal can be simulated by configuring a regulating instruction of a regulating circuit to control the voltage/frequency conversion ratio of the signal conversion circuit, so that maintenance personnel can more accurately determine the reasons of various faults occurring in the actual application process of the signal conversion device by simulating the faults, and further quickly position the fault position. In addition, the signal conversion device of the embodiment of the disclosure can also be applied to signal conversion processing of daily nuclear radiation measurement.
In one possible implementation, the controller may be connected to the relay and the electronic potentiometer, respectively, via an integrated circuit bus.
Fig. 2 is a schematic diagram of a signal conversion board according to an exemplary embodiment of the present disclosure. As shown in fig. 2, the signal conversion board card may include: a power input socket 10, a signal input socket 11, a signal input socket 12, and the signal conversion device 13;
the power input socket 10 is connected with the signal conversion device 13, and an external power supply supplies power to the signal conversion device 13 through the power input socket 10;
the signal input socket 11 is connected with the signal conversion device 13, and a signal generated by an external sensor is transmitted to the signal conversion device 13 through the signal input socket 11;
the signal input socket 12 is connected to the signal conversion device 13, and a signal output from the signal conversion device 13 is output via the signal input socket 12.
In a possible implementation manner, the signal conversion board card may be integrated with the radiation detector in the same device, or the signal conversion board card may also be disposed in different devices separately from the radiation detector.
It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. It is intended that the present invention cover the modifications and variations of this invention provided they come within the scope of the appended claims and their equivalents.
Claims (8)
1. A signal conversion apparatus, characterized in that the signal conversion apparatus comprises:
the on-off control circuit controls the on-off of the signal output by the signal conversion device based on configuration;
the signal conversion circuit is connected with the on-off control circuit, and performs voltage/frequency conversion processing on the received frequency signal based on the current voltage/frequency conversion ratio and outputs the converted frequency signal;
and an adjustment circuit connected to the signal conversion circuit, the adjustment circuit transmitting an adjustment command to the signal conversion circuit based on the configuration, the signal conversion circuit generating a voltage/frequency conversion ratio corresponding to the adjustment command based on the received adjustment command, and performing voltage/frequency conversion processing on the received signal based on the voltage/frequency conversion ratio.
2. The signal conversion apparatus of claim 1, further comprising: the on-off control circuit comprises a relay;
the controller is connected with the relay, the controller generates and sends a first control instruction to the relay, and the relay forms an on-off mode corresponding to the first control instruction.
3. The signal conversion device of claim 2, wherein the controller is coupled to the relay via an integrated circuit bus.
4. The signal conversion device of claim 2, wherein the regulating circuit comprises an electronic potentiometer;
the electronic potentiometer is connected with the controller, the controller generates and sends a second control instruction to the electronic potentiometer, and the electronic potentiometer generates an adjusting instruction corresponding to the second control instruction.
5. The signal conversion device of claim 4, wherein the controller is coupled to the electronic potentiometer via an integrated circuit bus.
6. The signal conversion device of claim 1, wherein the signal conversion circuit comprises a voltage to frequency converter.
7. The signal conversion device of claim 1, wherein the on-off control circuit comprises a relay.
8. A signal conversion integrated circuit board, its characterized in that, signal conversion integrated circuit board includes:
a power input socket, a signal output socket, and the signal conversion device of any one of claims 1 to 7;
the power input socket is connected with the signal conversion device, and an external power supply supplies power to the signal conversion device through the power input socket;
the signal input socket is connected with the signal conversion device, and a signal generated by an external sensor is transmitted to the signal conversion device through the signal input socket;
the signal output socket is connected with the signal conversion device, and the signal output by the signal conversion device is output through the signal output socket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921450578.1U CN211121263U (en) | 2019-09-03 | 2019-09-03 | Signal conversion device and signal conversion board card |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921450578.1U CN211121263U (en) | 2019-09-03 | 2019-09-03 | Signal conversion device and signal conversion board card |
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| Publication Number | Publication Date |
|---|---|
| CN211121263U true CN211121263U (en) | 2020-07-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921450578.1U Active CN211121263U (en) | 2019-09-03 | 2019-09-03 | Signal conversion device and signal conversion board card |
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| CN (1) | CN211121263U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110440833A (en) * | 2019-09-03 | 2019-11-12 | 中核核电运行管理有限公司 | Chromacoder and signal transducer card |
-
2019
- 2019-09-03 CN CN201921450578.1U patent/CN211121263U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110440833A (en) * | 2019-09-03 | 2019-11-12 | 中核核电运行管理有限公司 | Chromacoder and signal transducer card |
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