CN220289774U - No magnetic sensor circuit board quick testing arrangement - Google Patents
No magnetic sensor circuit board quick testing arrangement Download PDFInfo
- Publication number
- CN220289774U CN220289774U CN202321678392.8U CN202321678392U CN220289774U CN 220289774 U CN220289774 U CN 220289774U CN 202321678392 U CN202321678392 U CN 202321678392U CN 220289774 U CN220289774 U CN 220289774U
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- circuit board
- fixing plate
- plate
- probe
- magnetic sensor
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- 238000012360 testing method Methods 0.000 title claims abstract description 48
- 239000000523 sample Substances 0.000 claims abstract description 90
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims abstract description 13
- 230000000903 blocking effect Effects 0.000 claims description 6
- 210000001503 joint Anatomy 0.000 claims description 3
- 230000005674 electromagnetic induction Effects 0.000 claims 2
- -1 acryl Chemical group 0.000 claims 1
- 238000003466 welding Methods 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 230000006698 induction Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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- Measuring Magnetic Variables (AREA)
Abstract
The utility model discloses a quick testing device for a circuit board without a magnetic sensor, which comprises a base, a testing mechanism and a fixing mechanism, wherein the testing mechanism and the fixing mechanism are arranged on the base; the fixing mechanism comprises a circuit board fixing plate and a supporting rod, and the circuit board fixing plate is arranged on the base through the supporting rod; the test mechanism comprises a bracket, a lifting mechanism and a probe fixing plate, wherein the bracket is arranged on the base, the probe fixing plate is connected with the bracket through the lifting mechanism, and the probe fixing plate comprises an acrylic probe fixing plate and a PCB probe fixing plate; the base is also provided with a control device and a rotating mechanism, and the rotating mechanism is electrically connected with the control device. According to the utility model, the key point signals on the magnetic sensor-free circuit board are led to the PCB through the probe, so that the welding of the sensor circuit board test element is reduced, the low-power consumption performance of the circuit board is maintained, the test flow is simplified, and the working efficiency is improved.
Description
Technical Field
The utility model relates to the technical field of metering, in particular to a quick testing device for a circuit board without a magnetic sensor.
Background
Because the non-magnetic metering water meter has high metering precision and strong anti-interference capability, the non-magnetic metering water meter is widely applied to the water service field, the non-magnetic sensor circuit board arranged in the non-magnetic metering water meter needs to be tested frequently in the research and development process of the non-magnetic metering water meter, and related elements often need to be welded and tested in the test process of the circuit board, such as a welding needle downloading port needs to be reserved on a PCB (printed circuit board) when the program of the circuit board is downloaded and tested, but after the program is downloaded, the welding needle downloading port has no other purpose, and the welded plug is in interference with the assembly of the board when the circuit board is assembled into a plastic shell. In addition, devices such as light emitting diodes and the like need to be arranged to display the working states of related circuits, and in certain special application occasions, such as low power consumption and even ultra-low power consumption working conditions of some battery power supplies, if the light emitting diodes work all the time, the accumulated electric quantity consumption cannot be ignored, and if the devices are canceled, a lot of inconvenience is brought to the initial debugging work.
Disclosure of Invention
In order to solve the problems, the utility model provides a quick testing device for a circuit board without a magnetic sensor, which solves the problem that the circuit board without the magnetic sensor is inconvenient to debug in the prior art, and can improve the detection efficiency and shorten the detection time.
The technical scheme adopted for solving the technical problems is as follows:
a magnetic sensor-free circuit board rapid test device, comprising: the test device comprises a base, a test mechanism and a fixing mechanism, wherein the test mechanism and the fixing mechanism are arranged on the base; the fixing mechanism comprises a circuit board fixing plate and a supporting rod, and the circuit board fixing plate is arranged on the base through the supporting rod; the test mechanism comprises a bracket, a lifting mechanism and a probe fixing plate, wherein the bracket is arranged on the base, the probe fixing plate is connected with the bracket through the lifting mechanism, and the probe fixing plate comprises an acrylic probe fixing plate and a PCB probe fixing plate; the base is also provided with a control device and a rotating mechanism, and the rotating mechanism is electrically connected with the control device.
Further, the support comprises a back plate and two side plates, wherein the two side plates are the same as the back plate in height and are respectively arranged at two ends of the back plate.
Further, the lifting mechanism comprises a connecting piece and a lifting rod; the connecting piece includes connecting axle and clamping structure, connecting axle one end with leg joint, the other end and clamping structure fixed connection, clamping structure is connected with the lifter, cooperates the lifter to go up and down the action, the lifter lower extreme passes through the bolt and is connected with the probe fixed plate.
Further, lugs are arranged on two sides of one end of the connecting shaft connected with the bracket, and the lugs on two sides are fixedly connected with the bracket through bolts; the clamping structure is an annular clamp, and the lifting rod is inserted into the annular clamp and is attached to the inner wall of the annular clamp.
Further, the acrylic probe fixing plate is arranged above the PCB probe fixing plate and is fixed in a laminated mode, and four corners of the acrylic probe fixing plate are connected with the PCB probe fixing plate through bolts.
Further, a plurality of probe holes are formed in the probe fixing plate, and probes are vertically arranged on the probe holes correspondingly.
Further, the circuit board fixing plate comprises a locating plate supporting plate and two locating plates, the widths of the two locating plates and the locating plate supporting plate are the same, the two locating plates and the locating plate supporting plate are respectively arranged on two sides of the locating plate supporting plate and are flush with two ends of the locating plate supporting plate, and the locating plate supporting plate and the locating plate form a fixing groove.
Further, the rotating mechanism comprises a stepping motor, a rotating shaft and an electromagnetic induction-free baffle plate, wherein the stepping motor is arranged in the base and is connected with the electromagnetic induction-free baffle plate through the rotating shaft.
The technical scheme of the embodiment of the utility model has the following beneficial effects:
1. the acrylic probe fixing plate and the PCB probe fixing plate are combined to be used, so that the fixation of the probes is realized, meanwhile, a matched test circuit is arranged on the PCB, key point signals on the circuit board without the magnetic sensor to be tested are led to the PCB through the probes, and can be downloaded into an MCU chip of the circuit board to be tested through the probes, so that the test flow is simplified, the debugging of the circuit board without the magnetic sensor is facilitated, the welding of test elements of the circuit board to be tested is reduced, the low-power consumption performance of the circuit board is maintained, and the working efficiency is improved;
2. the circuit board fixing plate is used for fixing the probe and the circuit board without the magnetic sensor to be tested respectively, so that the testing precision is improved, and the influence of movement during testing on the testing effect is avoided;
3. the positioning plate and the PCB probe fixing plate can be replaced according to actual needs, different magnetic sensor-free circuit boards can be tested, the universality is good, and the production cost is reduced.
Drawings
FIG. 1 is a schematic diagram of a magnetic sensor-less circuit board rapid test device, according to an exemplary embodiment;
FIG. 2 is a schematic diagram of a left-hand configuration of a magnetic sensor-less circuit board rapid test device, according to an exemplary embodiment;
in the figure, 1 base, 2 backplate, 3 curb plates, 4 lugs, 5 connecting axle, 6 clamping structure, 7 lifter, 8 ya keli probe fixed plate, 9PCB probe fixed plate, 10 probe, 11 locating plate layer board, 12 locating plate, 13 bracing piece, 14 controlling means, 15 step motor, 16 axis of rotation, 17 do not have magnetic induction separation blade, 18 do not have magnetic sensor circuit board that awaits measuring.
Detailed Description
The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:
in order to clearly illustrate the technical features of the present solution, the present utility model will be described in detail below with reference to the following detailed description and the accompanying drawings. The following disclosure provides many different embodiments, or examples, for implementing different structures of the utility model. In order to simplify the present disclosure, components and arrangements of specific examples are described below. Furthermore, the present utility model may repeat reference numerals and/or letters in the various examples. This repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. It should be noted that the components illustrated in the figures are not necessarily drawn to scale. Descriptions of well-known components and processing techniques and processes are omitted so as to not unnecessarily obscure the present utility model.
As shown in fig. 1 and 2, a magnetic sensor-free circuit board rapid test apparatus includes: the test device comprises a base 1, a test mechanism and a fixing mechanism, wherein the test mechanism and the fixing mechanism are arranged on the base; the fixing mechanism comprises a circuit board fixing plate and a supporting rod 13, wherein the circuit board fixing plate is arranged on the base 1 through the supporting rod 13; the testing mechanism comprises a bracket, a lifting mechanism and a probe fixing plate, wherein the bracket is arranged on the base 1, the probe fixing plate is connected with the bracket through the lifting mechanism, and the probe fixing plate comprises an acrylic probe fixing plate 8 and a PCB probe fixing plate 9; the base is also provided with a control device 14 and a rotating mechanism, and the rotating mechanism is electrically connected with the control device 14.
The support includes backplate 2 and both sides board 3, both sides board 3 are the same with backplate 1 height, set up respectively at backplate 2 both ends, and both sides board 3 and backplate 2 combination use plays the supporting role for elevating system and the probe fixation board of installing on the support are more firm.
The lifting mechanism comprises a connecting piece and a lifting rod 7; the connecting piece includes connecting axle 5 and clamping structure 6, connecting axle 6 one end with leg joint installs on the backplate 2 of support, the other end and clamping structure 6 fixed connection, clamping structure 6 is connected with lifter 7, cooperates lifter 7 to go up and down to move, the lifter 7 lower extreme passes through the bolt to be connected with the probe fixed plate, can make the probe fixed plate accomplish the lift operation through removing lifter 7.
Lugs 4 are arranged on two sides of one end of the connecting shaft 6 connected with the bracket, and the lugs 4 on two sides are fixedly connected with the bracket through bolts; the clamping structure 6 is an annular clamp, the lifting rod 7 is inserted into the annular clamp and is attached to the inner wall of the annular clamp, the inner diameter of the annular clamp is matched with the lifting rod 7, and after the lifting rod 7 is inserted into the annular clamp, the lifting rod 7 can be tightly attached to the inner wall of the annular clamp through adjusting bolts on the annular clamp, so that the position of the lifting rod is fixed.
The acrylic probe fixing plate 8 is arranged above the PCB probe fixing plate 9 and is connected with four corners of the PCB probe fixing plate 9 through bolts; the probe fixing plate is provided with a plurality of probe holes, probes 10 are vertically arranged on the probe holes, the inner diameter of each probe hole is the same as the outer diameter of the upper end of each probe 10, and the probe holes on the acrylic probe fixing plate 8 and the PCB probe fixing plate 9 are in one-to-one correspondence.
The PCB probe fixing plate 9 is provided with a test circuit matched with the nonmagnetic sensor circuit board 18 to be tested, the test circuit can be replaced according to actual needs, the PCB probe fixing plate 9 is connected with the nonmagnetic sensor circuit board 18 to be tested through the probe 10 and is used for indicating the working state of the nonmagnetic sensor circuit board 18, meanwhile, the PCB probe fixing plate 9 is also provided with a program burning control circuit, a program can be directly downloaded onto the MCU of the nonmagnetic sensor circuit board 18 to be tested through the probe, repeated plugging and unplugging of the nonmagnetic sensor circuit board 18 to be tested during burning test are prevented, the test flow is simplified, and the damage probability of the circuit board is reduced; the upper layer of the PCB probe fixing plate 9 is provided with an acrylic probe fixing plate 8, the PCB probe fixing plate 9 and the acrylic probe fixing plate 8 are fixed together in a lamination mode, the strength of the PCB can be increased, the service life of the PCB is prolonged, the acrylic probe fixing plate 8 is made of acrylic materials, the PCB probe fixing plate is transparent and visual, the PCB probe fixing plate 9 is convenient to indicate the working state of the magnetic sensor-free circuit board 18 to be detected to observe, and meanwhile, the testing process cannot be influenced.
Through the position of bolt fastening ya keli probe fixed plate 8 and PCB probe fixed plate 9, correspond the position of the probe hole that sets up on it, probe 10 passes the probe hole of two-layer probe fixed plate, carries out spacingly to probe 10, makes probe 10 keep perpendicular, prevents to appear the inclination, thereby avoids detecting the condition that the position is not in place and appears the false measurement.
The circuit board fixing plate comprises a locating plate supporting plate 11 and two locating plates 12, wherein the two locating plates 12 and the locating plate supporting plate 11 have the same width, are respectively arranged on two sides of the locating plate supporting plate 11 and are flush with two ends of the locating plate supporting plate 11, and the locating plate supporting plate 11 and the locating plate 12 form a fixing groove; the size of the fixing groove corresponds to the size of the to-be-tested non-magnetic sensor circuit board 18, the universality is good, positioning boards 12 with different specifications can be selected according to actual needs, the to-be-tested non-magnetic sensor circuit board 18 with different sizes is positioned, and misdetection caused by displacement of the to-be-tested non-magnetic sensor circuit board 18 in the testing process is prevented.
The rotating mechanism comprises a stepping motor 15, a rotating shaft 16 and a non-magnetic induction baffle 17, wherein the stepping motor 15 is arranged in the base and is connected with the non-magnetic induction baffle 17 through the rotating shaft 16; the control device 14 is arranged on the surface of the base, is provided with an LED display screen and corresponding function keys, and can control operations such as starting, stopping, forward and reverse rotation, speed adjustment, counting zero clearing and the like through the keys to control the rotation of the non-magnetic induction blocking piece 17, the rotation number of the non-magnetic induction blocking piece 17 can be displayed on the LED screen, the non-magnetic induction blocking piece 17 is a metal blocking piece, and a signal for simulating water rotation of the water meter is provided for a circuit board of the non-magnetic sensor to be tested.
The working principle of the utility model is as follows:
the method comprises the steps of placing a to-be-tested non-magnetic sensor circuit board 18 in a fixed groove formed by a locating plate supporting plate 11 and two locating plates 12, adjusting the height of a lifting rod 7, fixing by utilizing a clamping structure 6, driving a probe fixing plate to descend until the lower end of a probe 10 arranged on the probe fixing plate is abutted against the to-be-tested non-magnetic sensor circuit board 18, connecting the to-be-tested non-magnetic sensor circuit board 18 with a corresponding functional module of a PCB probe fixing plate 9 through the probe 10, leading key point signals to be tested on the to-be-tested non-magnetic sensor circuit board 18 to the PCB probe fixing plate 9, then controlling rotation of a stepping motor 15 by using a control device 14, enabling the stepping motor 15 to drive a non-magnetic induction baffle 17 to rotate, adjusting forward and reverse rotation and rotation speed of the non-magnetic induction baffle 17, simulating water rotation of a water meter, and indicating the working state of the to-be-tested non-magnetic sensor circuit board 18 by a test circuit arranged on the PCB probe fixing plate 9.
In the description of the present utility model, the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "vertical", "horizontal", etc. refer to the orientation or positional relationship based on that shown in the drawings, and are merely for the purpose of describing the present utility model and do not require that the present utility model must be constructed or operated in a specific orientation, and thus should not be construed as limiting the present utility model. "connected" and "connected" in the present utility model are to be understood broadly, and may be, for example, connected or detachably connected; the connection may be direct or indirect through intermediate members, and the specific meaning of the terms may be understood in detail by those skilled in the art.
Finally, it should be noted that: the above embodiments are only for illustrating the technical aspects of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the above embodiments, it should be understood by those of ordinary skill in the art that: modifications and equivalents may be made to the specific embodiments of the utility model without departing from the spirit and scope of the utility model, which is intended to be covered by the claims.
Claims (8)
1. A magnetic sensor-free circuit board rapid test device, comprising: the test device comprises a base, a test mechanism and a fixing mechanism, wherein the test mechanism and the fixing mechanism are arranged on the base; the fixing mechanism comprises a circuit board fixing plate and a supporting rod, and the circuit board fixing plate is arranged on the base through the supporting rod; the test mechanism comprises a bracket, a lifting mechanism and a probe fixing plate, wherein the bracket is arranged on the base, the probe fixing plate is connected with the bracket through the lifting mechanism, and the probe fixing plate comprises an acrylic probe fixing plate and a PCB probe fixing plate; the base is also provided with a control device and a rotating mechanism, and the rotating mechanism is electrically connected with the control device.
2. The rapid testing device for a circuit board without a magnetic sensor according to claim 1, wherein the bracket comprises a back plate and two side plates, the two side plates are the same as the back plate in height and are respectively arranged at two ends of the back plate.
3. The rapid test device for a magnetic sensor-less circuit board of claim 1, wherein the lifting mechanism comprises a connector and a lifting rod; the connecting piece includes connecting axle and clamping structure, connecting axle one end with leg joint, the other end and clamping structure fixed connection, clamping structure is connected with the lifter, cooperates the lifter to go up and down the action, the lifter lower extreme passes through the bolt and is connected with the probe fixed plate.
4. The rapid test device for a circuit board without a magnetic sensor according to claim 3, wherein lugs are arranged on two sides of one end of a connecting shaft connected with the bracket, and the lugs on two sides are fixedly connected with the bracket through bolts; the clamping structure is an annular clamp, and the lifting rod is inserted into the annular clamp and is attached to the inner wall of the annular clamp.
5. The rapid test device for a circuit board without a magnetic sensor according to claim 1, wherein the acryl probe fixing plate is disposed above the PCB probe fixing plate and is fixed in a stacked manner, and is connected to four corners of the PCB probe fixing plate by bolts.
6. The rapid test device for a circuit board without a magnetic sensor according to claim 1, wherein the probe fixing plate is provided with a plurality of probe holes, and probes are vertically installed on the probe holes.
7. The rapid testing device for a circuit board without a magnetic sensor according to claim 1, wherein the circuit board fixing plate comprises a locating plate supporting plate and two locating plates, the two locating plates are identical to the locating plate supporting plate in width, are respectively arranged on two sides of the locating plate supporting plate and are flush with two ends of the locating plate supporting plate, and the locating plate supporting plate and the locating plates form a fixing groove.
8. The rapid testing device for a circuit board without a magnetic sensor according to claim 1, wherein the rotating mechanism comprises a stepping motor, a rotating shaft and an electromagnetic induction blocking piece, the stepping motor is arranged in the base and is connected with the electromagnetic induction blocking piece through the rotating shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321678392.8U CN220289774U (en) | 2023-06-29 | 2023-06-29 | No magnetic sensor circuit board quick testing arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321678392.8U CN220289774U (en) | 2023-06-29 | 2023-06-29 | No magnetic sensor circuit board quick testing arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220289774U true CN220289774U (en) | 2024-01-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321678392.8U Active CN220289774U (en) | 2023-06-29 | 2023-06-29 | No magnetic sensor circuit board quick testing arrangement |
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| Country | Link |
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| CN (1) | CN220289774U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN120142715A (en) * | 2025-05-14 | 2025-06-13 | 电子科技大学 | An adjustable microelectronic sensor array probe assembly |
-
2023
- 2023-06-29 CN CN202321678392.8U patent/CN220289774U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN120142715A (en) * | 2025-05-14 | 2025-06-13 | 电子科技大学 | An adjustable microelectronic sensor array probe assembly |
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