CN218675206U - Auxiliary engine control panel veneer testboard - Google Patents
Auxiliary engine control panel veneer testboard Download PDFInfo
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- CN218675206U CN218675206U CN202222538467.4U CN202222538467U CN218675206U CN 218675206 U CN218675206 U CN 218675206U CN 202222538467 U CN202222538467 U CN 202222538467U CN 218675206 U CN218675206 U CN 218675206U
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Abstract
The utility model discloses an auxiliary engine control panel single board test board, which relates to the technical field of control panel test circuits and aims to realize visual and accurate control panel detection, and comprises a transformer, an alternating current source module, an adjustable voltage circuit, a switch power supply module, a plug module, a feedback voltmeter, a reference voltmeter, a detection resistor and an excitation voltmeter; the adjustable voltage circuit is connected to the alternating current source module through a transformer; the switch power supply module is connected to the alternating current source module; the adjustable voltage circuit is connected to the power supply adjusting end of the plug module, and the switch power supply module provides reference voltage for the plug module; the reference voltmeter is connected to the switching power supply module, and the feedback voltmeter is connected to the adjustable voltage circuit; a control panel plug-in to be detected is connected with the plug module; the output end of the plug module is connected with a detection resistor, and an excitation voltmeter is connected with the two ends of the detection resistor; an alternating current source switch is arranged on the alternating current source module; the utility model has the advantages of convenient, visual and quick detection.
Description
Technical Field
The utility model relates to a control panel test circuit technical field, more specifically relate to an auxiliary engine control panel veneer testboard technical field.
Background
The control panel is a circuit board for control, is formed by integrating electronic components such as a control module switch tube and the like, and is an indispensable integrated board in the field of intelligent control.
In order to ensure the output quality of the control board, quality inspection of the control board is usually required, and in particular, the switching tube can be normally turned on and off.
In order to improve the detection rate and accuracy, it is particularly important to realize a visual and convenient detection mode.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: and intuitive and accurate control panel detection is realized. In order to solve the technical problem, the utility model provides an auxiliary engine control panel veneer testboard.
The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme:
a test board for detecting a control board plug-in unit of an auxiliary machine control board comprises a transformer, an alternating current source module, an adjustable voltage circuit, a switching power supply module, a plug module, a feedback voltmeter, a reference voltmeter, a detection resistor and an excitation voltmeter; the alternating current source module comprises a live wire and a zero wire, and a switch is arranged on the switch power supply module;
the input end of the adjustable voltage circuit is connected to the alternating current source module through a transformer; the input end of the switching power supply module is connected to the alternating current source module;
the output end of the adjustable voltage circuit is connected to the power supply adjusting end of the plug module, and the switch power supply module provides reference power supply for the plug module;
the reference voltmeter is connected to the output end of the switch power supply module, and the feedback voltmeter is connected to the output end of the adjustable voltage circuit;
the control panel plug-in to be detected is connected to the plug module;
the two ends of the output end of the plug module are connected with the detection resistor, and the excitation voltmeter is connected with the two ends of the detection resistor;
and an alternating current source switch is arranged on the alternating current source module.
Preferably, a power indicator lamp is arranged on the alternating current source module, one end of the power indicator lamp is connected to the live wire, and the other end of the power indicator lamp is connected to the zero wire.
Preferably, the adjustable voltage circuit comprises a first adjustable resistor, a first adjusting submodule, a second adjusting submodule and a third adjusting submodule;
the input ends of the first regulation submodule, the second regulation submodule and the third regulation submodule are respectively connected to the alternating current source module through one transformer; the first output end of the first adjusting sub-module and the second output end of the third adjusting sub-module are combined to be used as the output end of the adjustable voltage circuit, and the first adjustable resistor is connected between the first output end of the first adjusting sub-module and the second output end of the third adjusting sub-module;
the second output of the first regulation submodule is connected to the first output of the second regulation submodule, and the second output of the second regulation submodule is connected to the first output of the third regulation submodule.
Preferably, the first adjusting submodule comprises a first rectifier bridge, three polar capacitors, two unlimited capacitors, a second adjustable resistor, a first resistor, a plurality of diodes and a voltage stabilizing module;
two input ends of the first rectifier bridge are connected to the alternating current source module through the transformer outputting 30V direct current, and a first end of an output end of the first rectifier bridge is connected to one end of the first polar capacitor, an anode of the first non-polar capacitor, a cathode of the first diode and an input end of the voltage stabilizing module;
the second end of the output end of the first rectifier bridge is connected to the cathode of the first polar capacitor, the other end of the first nonpolar capacitor, one end of the second adjustable resistor, the cathode of the second polar capacitor, the cathode of the third polar capacitor and one end of the second infinite capacitor;
the voltage regulating end of the voltage stabilizing module is connected to the other end of the second adjustable resistor, the anode of the second diode, one end of the first resistor and the anode of the second polar capacitor, and the anode of the second diode is connected with the anode of the second polar capacitor;
the output end of the voltage stabilizing module is connected to the cathode of the second diode, the other end of the first resistor, the anode of the third polar capacitor and the other end of the second unlimited capacitor;
the output end of the voltage stabilizing module is a first output end of the first adjusting submodule, and the second end of the output end of the first rectifier bridge is a second output end of the first adjusting submodule.
Preferably, the second regulation submodule is identical in structure to the first regulation submodule.
Preferably, the third regulation submodule comprises a second rectifier bridge, a fourth polar capacitor and a third non-polar capacitor;
two input ends of the second rectifier bridge are connected to the alternating current source module through the transformer outputting 50V direct current;
the first output end of the second rectifier bridge is the first output end of the third regulating submodule and is connected with the anode of the fourth polar capacitor and one end of the third non-polar capacitor;
and the second output end of the second rectifier bridge is the second output end of the third regulating submodule and is connected with the cathode of the fourth polar capacitor and the other end of the third non-polar capacitor.
The utility model has the advantages as follows:
the utility model can detect the control panel plug-in directly by plugging, is easy to realize, and has simple and accurate detection; the input voltage, the voltage of a control panel plug-in to be tested and the like are directly regulated and read directly through a plurality of different voltmeters, so that the detection result is clear at a glance, and the detection result can be obtained quickly; meanwhile, the detection is accurate, and the applicability is strong; the utility model discloses the components and parts of taking are common, with low costs, easily equipment, sexual valence relative altitude, facilitate promotion.
Drawings
FIG. 1 is a schematic view of embodiment 1;
FIG. 2 is a schematic diagram of an adjustable voltage circuit of embodiment 3;
FIG. 3 is a circuit schematic of a first conditioning submodule;
FIG. 4 is a circuit schematic of a third regulation submodule;
reference numerals: a1-a first rectifier bridge, A2-a second rectifier bridge, C1-a first polar capacitor, C2-a first nonpolar capacitor, C3-a second polar capacitor, C4-a third polar capacitor, C5-a second nonpolar capacitor, C6-a fourth polar capacitor, C7-a third nonpolar capacitor, RV 1-a first adjustable resistor, RV 2-a second adjustable resistor, R1-a first resistor, D1-a first diode, D2-a second diode, and U1-a voltage stabilizing module.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Example 1
As shown in fig. 1, this embodiment provides a test board for testing a board of an auxiliary machine control board, which is used to test a board plug-in, and includes a transformer, an ac source module, an adjustable voltage circuit, a switch power supply module, a plug module, a feedback voltmeter, a reference voltmeter, a detection resistor, and an excitation voltmeter; the alternating current source module comprises a live wire and a zero line, and the switch power supply module is respectively provided with a switch which is used for controlling the on-off of the switch power supply module;
the input end of the adjustable voltage circuit is connected to the alternating current source module through a transformer; the input end of the switching power supply module is connected to the alternating current source module;
the output end of the adjustable voltage circuit is connected to the power supply adjusting end of the plug module, and the switch power supply module provides reference power supply for the plug module;
the reference voltmeter is connected to the output end of the switching power supply module, and the feedback voltmeter is connected to the output end of the adjustable voltage circuit;
the control panel plug-in to be detected is connected to the plug module, and the output end of the adjustable voltage circuit and the output end of the switch power supply module jointly supply power to the plug module;
the two ends of the output end of the plug module are connected with the detection resistor, and the excitation voltmeter is connected with the two ends of the detection resistor;
preferably, an ac source switch is arranged on the ac source module, and the switch controls the on-off of the ac source module.
In this embodiment:
the switching power supply module is responsible for converting 220V alternating current of the alternating current source module into proper rated voltage to provide basic 110V reference voltage for the control panel plug-in unit to be detected of the access plug module, then the adjustable voltage circuit provides feedback voltage to adjust the voltage which is actually input into the control panel plug-in unit to be detected so as to detect the control panel plug-in unit to be detected, and the input end of the adjustable voltage circuit is provided after the voltage transformation of the transformer, for example: when the voltage is lower than 110V, the IGBT tube of the control panel plug-in to be detected is conducted; when the voltage is higher than 110V, the IGBT tube of the control panel plug-in to be detected is cut off; when the voltage is higher than 125V, the protection relay of the control panel plug-in to be detected acts; the test board tests the plug-in by detecting the action signals, and the specific detection is realized by a set voltmeter;
the reference voltmeter is responsible for detecting the voltage value which is switched in and converted by the alternating current source module so as to monitor whether the input voltage is accurate; the feedback voltmeter is used for testing the feedback voltage; the reference voltage and the feedback voltage can be directly read, and the actual input voltage can be intuitively known; the detection resistor and the excitation voltmeter are used for detecting the control output voltage of the control panel plug-in to be detected so as to judge the working performance of the control panel plug-in to be detected under the response condition of different input voltages.
Furthermore, be provided with power indicator on the alternating current source module, power indicator's one end is connected to the live wire, and the other end is connected to the zero line, is convenient for directly perceivedly observe whether the alternating current source module circular telegram.
Example 2
The present embodiment is based on the technical solution of embodiment 1, and refer to fig. 2.
In this embodiment, the adjustable voltage circuit includes a first adjustable resistor RV1, a first adjusting submodule, a second adjusting submodule, and a third adjusting submodule;
the input ends of the first regulation submodule, the second regulation submodule and the third regulation submodule are respectively connected to the alternating current source module through one transformer; the first output end of the first adjusting submodule and the second output end of the third adjusting submodule are combined to be used as the output end of the adjustable voltage circuit, and a first adjustable resistor RV1 is connected between the first output end of the first adjusting submodule and the second output end of the third adjusting submodule;
the second output of the first regulation submodule is connected to the first output of the second regulation submodule, and the second output of the second regulation submodule is connected to the first output of the third regulation submodule.
The three cascaded regulating submodules and a first adjustable resistor RV1 act together to realize finer voltage regulation.
Example 3
The embodiment is based on the technical solution of embodiment 2, and refer to fig. 3 to 4.
In this embodiment, the first adjusting submodule includes a first rectifier bridge A1, three polar capacitors, two non-limiting capacitors, a second adjustable resistor RV2, a first resistor R1, a plurality of diodes, and a voltage stabilizing module U1, where the model of the voltage stabilizing module U1 is LM317;
two input ends of the first rectifier bridge A1 are connected to the alternating current source module through a transformer which outputs 30V direct current, and a first end of an output end of the first rectifier bridge A1 is connected to one end of the first polar capacitor C1, an anode of the first nonpolar capacitor C2, a cathode of the first diode D1 and an input end of the voltage stabilizing module U1;
a second end of the output end of the first rectifier bridge A1 is connected to a cathode of the first polar capacitor C1, the other end of the first nonpolar capacitor C2, one end of the second adjustable resistor RV2, a cathode of the second polar capacitor C3, a cathode of the third polar capacitor C4, and one end of the second unlimited capacitor;
the voltage regulation end of the voltage regulation module U1 is connected to the other end of the second adjustable resistor RV2, the anode of a second diode D2, one end of the first resistor R1, and the anode of a second polar capacitor C3, and the anode of the second diode D2 is connected to the anode of the second polar capacitor C3;
the output end of the voltage stabilizing module U1 is connected to the cathode of the second diode D2, the other end of the first resistor R1, the anode of the third polar capacitor C4 and the other end of the second unlimited capacitor;
the output end of the voltage stabilizing module U1 is a first output end of a first adjusting submodule, and a second end of the output end of the first rectifier bridge A1 is a second output end of the first adjusting submodule.
Specifically, the first rectifier bridge A1 is a conventional rectifier bridge composed of 4 diodes.
Preferably, the second regulation submodule has the same structure as the first regulation submodule.
On the other hand, the third regulation submodule comprises a second rectifier bridge A2, a fourth polar capacitor C6 and a third non-polar capacitor C7; the second rectifier bridge A2 is also a conventional rectifier bridge of 4 diodes.
Two input ends of the second rectifier bridge A2 are connected to the alternating current source module through the transformer outputting 50V direct current;
a first output end of the second rectifier bridge A2 is a first output end of the third regulating submodule and is connected with an anode of a fourth polar capacitor C6 and one end of a third non-polar capacitor C7;
and a second output end of the second rectifier bridge A2 is a second output end of the third regulating submodule and is connected with a cathode of a fourth polar capacitor C6 and the other end of a third non-polar capacitor C7.
The adjustment of the feedback voltage can be realized by adjusting the first adjustable resistor RV1, the adjustment can be more freely and finely realized by the adjustable resistors in the first adjusting submodule and the second adjusting submodule, and the third adjusting submodule provides a basic fixed output voltage to ensure the safety and stability of the output of the whole adjustable voltage circuit.
Claims (6)
1. A test board for an auxiliary machine control board single board is used for detecting a control board plug-in and is characterized by comprising a transformer, an alternating current source module, an adjustable voltage circuit, a switch power supply module, a plug module, a feedback voltmeter, a reference voltmeter, a detection resistor and an excitation voltmeter; the alternating current source module comprises a live wire and a zero line, and a switch is arranged on the switch power supply module;
the input end of the adjustable voltage circuit is connected to the alternating current source module through a transformer; the input end of the switching power supply module is connected to the alternating current source module;
the output end of the adjustable voltage circuit is connected to the power supply adjusting end of the plug module, and the switch power supply module provides reference voltage for the plug module;
the reference voltmeter is connected to the output end of the switching power supply module, and the feedback voltmeter is connected to the output end of the adjustable voltage circuit;
the control panel plug-in to be detected is connected to the plug module;
the two ends of the output end of the plug module are connected with the detection resistor, and the excitation voltmeter is connected with the two ends of the detection resistor; and an alternating current source switch is arranged on the alternating current source module.
2. The auxiliary machine control board single board test bench of claim 1, wherein a power indicator is provided on the ac source module, and one end of the power indicator is connected to the live wire and the other end is connected to the neutral wire.
3. The auxiliary machine control board single-board test bench of claim 1, wherein the adjustable voltage circuit comprises a first adjustable resistor, a first adjusting submodule, a second adjusting submodule and a third adjusting submodule;
the input ends of the first regulation submodule, the second regulation submodule and the third regulation submodule are respectively connected to the alternating current source module through one transformer; the first output end of the first adjusting submodule and the second output end of the third adjusting submodule are combined to be used as the output end of the adjustable voltage circuit, and the first adjustable resistor is connected between the first output end of the first adjusting submodule and the second output end of the third adjusting submodule;
the second output of the first regulation submodule is connected to the first output of the second regulation submodule, and the second output of the second regulation submodule is connected to the first output of the third regulation submodule.
4. The auxiliary machine control board single-board test bench of claim 3, wherein the first regulation submodule includes a first rectifier bridge, three polar capacitors, two infinite capacitors, a second adjustable resistor, a first resistor, a plurality of diodes, and a voltage stabilization module;
two input ends of the first rectifier bridge are connected to the alternating current source module through the transformer outputting 30V direct current, and a first end of an output end of the first rectifier bridge is connected to one end of the first polar capacitor, an anode of the first non-polar capacitor, a cathode of the first diode and an input end of the voltage stabilizing module;
the second end of the output end of the first rectifier bridge is connected to the cathode of the first polar capacitor, the other end of the first nonpolar capacitor, one end of the second adjustable resistor, the cathode of the second polar capacitor, the cathode of the third polar capacitor and one end of the second infinite capacitor;
the voltage regulating end of the voltage stabilizing module is connected to the other end of the second adjustable resistor, the anode of the second diode, one end of the first resistor and the anode of the second polar capacitor, and the anode of the second diode is connected with the anode of the second polar capacitor;
the output end of the voltage stabilizing module is connected to the cathode of the second diode, the other end of the first resistor, the anode of the third polar capacitor and the other end of the second unlimited capacitor;
the output end of the voltage stabilizing module is a first output end of the first regulating submodule, and the second end of the output end of the first rectifier bridge is a second output end of the first regulating submodule.
5. The auxiliary machine control board single board test bench of claim 4, wherein the second adjusting submodule has the same structure as the first adjusting submodule.
6. The auxiliary machine control board single-board test bench of claim 5, wherein the third regulation submodule includes a second rectifier bridge, a fourth polar capacitor and a third non-polar capacitor;
two input ends of the second rectifier bridge are connected to the alternating current source module through the transformer outputting 50V direct current;
a first output end of the second rectifier bridge is a first output end of the third regulating submodule and is connected with an anode of a fourth polar capacitor and one end of a third non-polar capacitor;
and the second output end of the second rectifier bridge is the second output end of the third regulating submodule and is connected with the cathode of the fourth polar capacitor and the other end of the third non-polar capacitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222538467.4U CN218675206U (en) | 2022-09-23 | 2022-09-23 | Auxiliary engine control panel veneer testboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222538467.4U CN218675206U (en) | 2022-09-23 | 2022-09-23 | Auxiliary engine control panel veneer testboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218675206U true CN218675206U (en) | 2023-03-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222538467.4U Active CN218675206U (en) | 2022-09-23 | 2022-09-23 | Auxiliary engine control panel veneer testboard |
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| Country | Link |
|---|---|
| CN (1) | CN218675206U (en) |
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- 2022-09-23 CN CN202222538467.4U patent/CN218675206U/en active Active
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