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CN-121978508-A - Multi-electric variable comprehensive test equipment and test method for circuit board of electric ignition heating furnace

CN121978508ACN 121978508 ACN121978508 ACN 121978508ACN-121978508-A

Abstract

The embodiment of the invention provides multi-electric variable comprehensive testing equipment and testing method for a circuit board of an electric ignition heating furnace, wherein the multi-electric variable comprehensive testing equipment comprises a measuring assembly, a pressing assembly and two monitoring heads, the measuring assembly comprises a circuit board, a power supply connector, a current test point, a voltage test point and a power supply head, and the pressing assembly is used for pressing the circuit board and keeping the two monitoring heads in contact with the voltage test point and the current test point respectively. To the field of measuring electrical variables. Through setting up measuring module, compressing tightly subassembly and two monitoring heads, when examining the circuit board, can compress tightly the location to the circuit board through compressing tightly the subassembly earlier, make the circuit board keep fixed state in the test process, make simultaneously the monitoring head can be contacted with voltage test point and current test point steadily to realize the reliable measurement to electric variables such as voltage, current.

Inventors

  • LIU ZUFA

Assignees

  • 深圳市华焰天下科技有限公司

Dates

Publication Date
20260505
Application Date
20260327

Claims (10)

  1. 1. The multi-electric variable comprehensive test equipment for the circuit board of the electric ignition heating furnace is characterized by comprising a measurement assembly (3), a compression assembly (2) and two monitoring heads (9); The measuring assembly (3) comprises a circuit board (31), a power supply connector (32), a current test point (34), a voltage test point (35) and a power supply head (33); The circuit board (31) is provided with a power supply connector (32), the power supply connector (32) can be used as a power supply end of the circuit board (31) to be spliced with the power supply connector (33), the current test point (34) and the voltage test point (35) are arranged below the circuit board (31), and the two monitoring heads (9) are used for being respectively contacted with the voltage test point (35) and the current test point (34); the pressing assembly (2) is used for pressing the circuit board (31) and keeping the two monitoring heads (9) in contact with the voltage test point (35) and the current test point (34) respectively.
  2. 2. The integrated test device for multiple electrical variables of electric fire heating furnace circuit board according to claim 1, characterized in that the measuring assembly (3) further comprises a display screen (10), the display screen (10) being integrated on the bracket (1); The display screen (10) is used for displaying the voltage value and the current value monitored by the two monitoring heads (9).
  3. 3. The integrated test equipment for multiple electrical variables of electric fire heating furnace circuit board according to claim 1, characterized in that the pressing assembly (2) comprises a pressing part, a pressing plate (27), a plurality of pressing rods (28), a backing plate (29) and a shell (210); The pressing part is connected with the pressing plate (27), a plurality of pressing rods (28) are arranged below the pressing plate (27), positioning grooves are formed in the base plate (29) and used for placing the circuit board (31), and the bottom ends of the pressing rods (28) are abutted against the top of the circuit board (31); The backing plate (29) is arranged on the shell (210); two hole bodies with diameters larger than that of the voltage test point (35) and the current test point (34) are arranged on the backing plate (29), and the two hole bodies correspond to the voltage test point (35) and the current test point (34) respectively.
  4. 4. The electric fire heating furnace circuit board multiple electric variable integrated test equipment according to claim 3, wherein the pressing part comprises a base body (21), a first connecting piece (22), a second connecting piece (24), an armrest (23), a protrusion (26) and an engagement rod (25); The base body (21) is connected to the support (1), the base body (21) is rotationally connected with the first connecting piece (22), the first connecting piece (22) is rotationally connected with the second connecting piece (24), the second connecting piece (24) is rotationally connected with the connecting rod (25), the connecting rod (25) is connected with the pressing plate (27), the connecting rod (25) is slidingly connected with the bulge (26), and the bulge (26) is connected to the base body (21); the armrest (23) is arranged on the first connecting piece (22); wherein the armrest (23) is operated to release the first connector (22), the second connector (24) and the engagement rod (25) from a parallel state, thereby releasing the fixing constraint on the circuit board (31).
  5. 5. The integrated test equipment for multiple electrical variables of an electric fire heating furnace circuit board according to claim 4, further comprising an auxiliary assembly (4), wherein the auxiliary assembly (4) comprises a plurality of groups of limit rods (41) and first springs (42); The limiting rod (41) is connected with the base plate (29), the limiting rod (41) is in sliding connection with the shell (210), the limiting rod (41) is sleeved with the first spring (42), and two ends of the first spring (42) are respectively connected with the limiting rod (41) and the inner side of the shell (210).
  6. 6. The integrated test equipment for multiple electrical variables of an electric fire heating furnace circuit board according to claim 5, further comprising a first trigger assembly (5), wherein the first trigger assembly (5) comprises a fixed frame (51), a chute (52), a first roller (53), a trigger rod (54), a main shaft (55), a sleeve body (511), a trapezoid block (57) and a roller (56); The fixed frame (51) is connected with the power supply connector (32), the sliding groove (52) is machined on the shell (210), the fixed frame (51) is in sliding connection with the sliding groove (52), the fixed frame (51) is in rotating connection with the first roller (53), a through groove is formed in one side, close to the first roller (53), of the trigger rod (54), the first roller (53) is in sliding connection with the through groove, the trigger rod (54) is connected with the sleeve body (511), and the sleeve body (511) is in rotating connection with the main shaft (55); the roller (56) is arranged on the trigger rod (54), the roller (56) is in contact with the inclined surface of the trapezoid block (57), and the trapezoid block (57) is connected to the base plate (29).
  7. 7. The multi-electric variable comprehensive test device for the circuit board of the electric ignition heating furnace according to claim 6, further comprising a first torsion spring (510), wherein the first torsion spring (510) is sleeved on the main shaft (55), two ends of the first torsion spring (510) are respectively connected with the sleeve body (511) and the main shaft (55), and the main shaft (55) is connected to the inner side of the shell (210); the roller (56) can be driven to always contact with the inclined surface of the trapezoid block (57) by means of the elastic force of the first torsion spring (510); When a plurality of pressure rods (28) are abutted against the circuit board (31) and the base plate (29) is at the lowest position, the power supply head (33) is spliced with the power supply connector (32) through the first trigger assembly (5).
  8. 8. The multi-electric-variable comprehensive test device for the circuit board of the electric fire heating furnace according to claim 7, further comprising a buffer assembly (8), wherein the buffer assembly (8) comprises an extension rod (82), a second spring (83) and a bottom plate (81), the extension rod (82) is connected with the monitoring head (9), the extension rod (82) is slidably connected with the bottom plate (81), the bottom plate (81) is connected to the connecting piece (76), the second spring (83) is sleeved on the extension rod (82), and two ends of the second spring (83) are respectively connected with the extension rod (82) and the bottom plate (81).
  9. 9. The method for comprehensively testing the multiple electric variables of the circuit board of the electric fire heating furnace is characterized by being applied to the comprehensive testing equipment for the multiple electric variables of the circuit board of the electric fire heating furnace, which is disclosed in any one of claims 1 to 8, and comprises the following steps: S1, placing a circuit board (31) to be tested in a positioning groove on a base plate (29), and enabling a voltage test point (35) and a current test point (34) on the circuit board (31) to be respectively arranged corresponding to a hole body on the base plate (29); S2, the operation handrail (23) drives the compressing assembly (2) to act, so that the pressing plate (27) drives the plurality of pressing rods (28) to move downwards and compress the circuit board (31), and meanwhile, the base plate (29) moves downwards under the guide of the limiting rod (41); s3, triggering the first triggering component (5) in the process of downward movement of the base plate (29) to enable the power supply connector (32) and the power supply head (33) to be in plug connection, so that power is supplied to the circuit board (31); S4, enabling the two monitoring heads (9) to be respectively contacted with the voltage test point (35) and the current test point (34) through hole bodies on the backing plate (29), and detecting the voltage value and the current value of the circuit board (31); and S5, transmitting the detected voltage value and current value to a display screen (10) for display, thereby completing the comprehensive test of the multi-electric variable parameters of the circuit board (31) of the electric ignition heating furnace.
  10. 10. The method for comprehensively testing multiple electric variables of the circuit board of the electric fire heating furnace according to claim 9, wherein in the step S3, the base plate (29) drives the trapezoid block (57) to synchronously move when moving downwards, so that the roller (56) rolls along the inclined plane of the trapezoid block (57) and pushes the trigger rod (54) to rotate around the main shaft (55), and the trigger rod (54) drives the fixing frame (51) to slide in the sliding groove (52) through the first roller (53), thereby driving the power supply connector (32) to be plugged with the power supply head (33).

Description

Multi-electric variable comprehensive test equipment and test method for circuit board of electric ignition heating furnace Technical Field The invention relates to the field of measuring electric variables, in particular to a multi-electric-variable comprehensive test device and a test method for a circuit board of an electric ignition heating furnace. Background An electric ignition heating furnace is a device for realizing rapid heating by converting electric energy into heat energy, and in the actual production process, a circuit board is usually arranged in the electric ignition heating furnace for controlling heating power, working state and safety protection function. In order to ensure that the electric ignition heating furnace can stably run before leaving a factory, key electric parameters on a circuit board, such as power supply voltage, current and related electric signal states, need to be detected. The above-mentioned detection process generally requires that the voltage test point and the current test point on the circuit board are measured in a contact manner by a special test device, so as to obtain the electrical variable information of the circuit board in the working state. In the prior art, when detecting the electrical variable of the circuit board, the voltage or current is measured by manually contacting the test probe or the test fixture with the test point on the circuit board. However, in the actual production process, because certain processing errors exist in batch manufacturing of circuit boards, small deviations may exist in the positions of test points on circuit boards in different batches, and when the positions of probes of test equipment are fixed, the problem that the probes are in poor contact with the test points easily occurs, so that the measurement results of electric variables are unstable and even cannot be detected normally. In addition, the existing test mode generally needs to manually complete a plurality of operation steps such as circuit board compaction, power supply connection, test probe positioning and the like, so that the test efficiency is low, and the accuracy of electric variable measurement is easily affected due to unstable manual operation. Therefore, there is a need for a comprehensive test device that can stably compress a circuit board, automatically connect with a power supply terminal, and realize stable measurement of electrical variables such as voltage and current. Disclosure of Invention According to the embodiment of the invention, the multi-electric variable comprehensive test equipment and the test method for the circuit board of the electric ignition heating furnace are provided. Is used for solving the technical problems in the background art. In a first aspect of the invention, a multi-electric variable integrated test device for a circuit board of an electric fire heating furnace is provided. The multi-electric variable comprehensive test equipment for the circuit board of the electric ignition heating furnace comprises a measurement assembly, a compression assembly and two monitoring heads; the measuring assembly comprises a circuit board, a power supply connector, a current test point, a voltage test point and a power supply head; The circuit board is provided with a power supply connector, the power supply connector is used as a power supply end of the circuit board and can be spliced with the power supply connector, the current test point and the voltage test point are arranged below the circuit board, and the two monitoring heads are used for being respectively contacted with the voltage test point and the current test point; The pressing component is used for pressing the circuit board and keeping the two monitoring heads in contact with the voltage test point and the current test point respectively. Preferably, the measuring assembly further comprises a display screen, and the display screen is integrated on the bracket; the display screen is used for displaying the voltage value and the current value monitored by the two monitoring heads. Preferably, the pressing assembly comprises a pressing part, a pressing plate, a plurality of pressing rods, a backing plate and a shell; The pressing part is connected with the pressing plate, a plurality of pressing rods are arranged below the pressing plate, positioning grooves are formed in the base plate and are used for placing the circuit board, and the bottom ends of the pressing rods are abutted against the top of the circuit board; the backing plate is arranged on the shell; And two hole bodies with diameters larger than those of the voltage test point and the current test point are arranged on the backing plate, and the two hole bodies correspond to the voltage test point and the current test point respectively. Preferably, the pressing part comprises a base body, a first connecting piece, a second connecting piece, a handrail, a bulge and a connecting rod; The base is connecte