CN210570780U - Three-foot digital sensor multi-channel hand press tester - Google Patents
Three-foot digital sensor multi-channel hand press tester Download PDFInfo
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- CN210570780U CN210570780U CN201921956720.XU CN201921956720U CN210570780U CN 210570780 U CN210570780 U CN 210570780U CN 201921956720 U CN201921956720 U CN 201921956720U CN 210570780 U CN210570780 U CN 210570780U
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Abstract
The utility model belongs to the technical field of sensor performance testing, and discloses a three-foot digital sensor multichannel hand press testing machine, which comprises a base and a bracket, wherein the base is provided with a power switch and a plurality of sensor limiting grooves; be equipped with manual detection mechanism, control mechanism on the support and with a plurality of LED lamps of sensor spacing groove one-to-one, manual detection mechanism includes the fixed plate, detects the needle and pushes down the mechanism, pushes down the mechanism including the spanner, connecting rod, two connecting pieces and the vertical depression bar of interconnect, vertical depression bar and fixed plate fixed connection, switch, LED lamp and test needle all are connected with control mechanism electricity. The utility model has simple structure, small volume, low cost, convenient movement and convenient operation; the pressing mechanism is manually operated, and can flexibly adjust the pressing distance according to the condition of the sensor to be detected, so that the pressing mechanism is suitable for sensors with different lengths; the LED lamp can visually see the performance condition of the sensor, the detection difficulty and the detection error are reduced, and the labor amount and the labor cost are reduced.
Description
Technical Field
The utility model relates to a sensor capability test technical field especially relates to three-legged digital sensor multichannel hand test machine.
Background
In the sensor reproduction process, performance detection, such as noise detection and pyroelectric performance detection, is required. The mode that detects sensor performance in traditional mill is all that the artifical manual test of single or several is carried out through the staff, there is the test volume less, need a large amount of repetitive work, and it is not good to detect the precision, the long scheduling problem of consuming time during the test, for solving this problem, there are some detecting instrument that can carry out batch detection to the sensor, but this kind of instrument structure is complicated, the cost is high, be not convenient for remove, consequently, the urgent need a practicality is strong, moreover, the steam generator is simple in structure, the operation is simple, can detect in batches just with the sensor multichannel detector who removes.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming current technical problem, providing three-legged digital sensor multichannel hand test machine.
In order to achieve the purpose, the utility model is implemented according to the following technical scheme:
the three-foot digital sensor multi-channel hand press testing machine comprises a base and a support, wherein a power switch and a limiting seat of a sensor are fixedly arranged on the base, and a plurality of sensor limiting grooves are uniformly distributed on the limiting seat; the bracket is provided with a display mechanism, a manual detection mechanism and a control mechanism;
the display mechanism is fixed on the bracket and comprises a plurality of LED lamps, and the arrangement modes of the LED lamps are the same as those of the sensor limiting grooves and correspond to one another;
the manual detection mechanism comprises a detection head and a pressing mechanism; the detection head comprises a fixing plate and a plurality of test needles, and the test needles are fixed on the lower surface of the fixing plate and correspond to the sensor limiting grooves one to one; the downward pressing mechanism comprises a wrench, a connecting rod, two connecting pieces and a vertical pressing rod, one end of the wrench is vertically and fixedly connected with one end of the connecting rod, the other end of the connecting rod is hinged with the support through a damping rotating shaft, the two connecting pieces are respectively positioned on two sides of the connecting rod, one end of each connecting piece is hinged with the end part, close to the wrench, of the connecting rod through a second hinge shaft, the other ends of the two connecting pieces are hinged with the upper end of the vertical pressing rod through a third hinge shaft, the lower end of the vertical pressing rod is fixedly connected with the upper surface of the fixing plate, a guide pipe is further fixed on the support, and the vertical pressing rod penetrates;
and the power switch, the LED lamp and the test needle are electrically connected with the control mechanism.
The limiting seat, the display mechanism, the manual detection mechanism and the control mechanism on the base and the support are mutually matched, the LED lamp and the to-be-tested sensors in the sensor limiting grooves of the limiting seat are in one-to-one correspondence, two performance tests can be carried out on a plurality of sensors on the same equipment, and the test results of each sensor can be visually displayed through the on-off state of the corresponding LED lamp; the downward pressing mechanism of the manual detection mechanism is manually operated to enable the vertical pressure rod to move downwards with the fixing plate and the test needles on the fixing plate, and the downward pressing mechanism is accurately butted with the contact pins of the sensors to be tested in the sensor limiting grooves on the limiting seat one by one, so that the accurate reliability of detection is ensured; specifically, when the test device is in an out-of-operation state, the power switch is turned off, the wrench is in a horizontal state, the connecting rod, the connecting piece and the vertical pressure rod are all in a vertical state, and at the moment, the fixing plate and the test needle which are connected with the vertical pressure rod are far away from the limiting seat and are in the highest position; when the device works, the power switch is turned on, the sensor to be detected is placed in the sensor limiting groove, the contact pin of the sensor is upward, the wrench is pulled, the hinge point of the connecting piece and the connecting rod is enabled to continuously move downwards along an arc which takes the hinge point at the two positions of the hinge shaft as the circle center and the length of the connecting rod as the radius, the hinge point of the connecting piece and the vertical pressure rod is also continuously moved downwards along the vertical direction under the pushing of the connecting piece, and further the fixed plate is pushed downwards to enable the test needle to be in butt joint with the contact pin of the sensor to be detected, the performance test is carried out, the pressing distance can be flexibly adjusted according to the condition of the sensor to be detected to adapt to the sensors of different models, when the wrench is in the vertical state, the connecting rod is in the horizontal state, the connecting piece is in the maximum inclined state, and, at the lowest position; the sensor is subjected to performance testing through the control mechanism, namely the set performance testing module, the control mechanism controls the on and off of the LED lamp according to the testing result, and the detection workers screen out the unqualified product marks in the corresponding sensor limiting grooves according to the condition of the LED lamp.
Preferably, the control mechanism comprises a microprocessor, a noise detection module, a pyroelectric detection module, a noise detection switch, a pyroelectric detection switch and a reset switch, and the noise detection module, the pyroelectric detection module, the power switch, the noise detection switch, the pyroelectric detection switch, the reset switch, the LED lamp and the test pin are all electrically connected with the microprocessor. The sensor performance test device has the advantages that two performance tests can be carried out on the sensor through the unified device, time is saved, and detection efficiency is improved.
Preferably, be equipped with a mounting perpendicularly on the support, the one end and the support fixed connection of mounting, the other end of mounting is connected through the tip hinge of damping pivot and connecting rod for the connecting rod is located same straight line with the central axis of stand pipe when being in vertical state, ensures vertical depression bar up-and-down motion's stability, further improvement detection accuracy and efficiency.
The utility model discloses in still including other subassemblies that can make the device normal use, it all belongs to the conventional selection in this field, if noise detection circuit in the noise detection module and heat release the pyroelectric detection circuit of pyroelectric detection module, reset circuit, the control circuit of LED lamp, storage module and heat release the required heat source of pyroelectric detection etc. that are connected with microprocessor. In addition, the utility model discloses in all adopt the conventional means in this field with the device or the subassembly of injecing, equipment such as microprocessor, LED lamp, switch, noise detection module, heat release electricity detection module all adopt conventional structure.
The utility model discloses a theory of operation: the limiting seat, the display mechanism, the manual detection mechanism and the control mechanism on the base and the support are mutually matched, the LED lamp and the to-be-tested sensors in the sensor limiting grooves of the limiting seat are in one-to-one correspondence, two performance tests can be carried out on a plurality of sensors on the same equipment, and the test results of each sensor can be visually displayed through the on-off state of the corresponding LED lamp; the downward pressing mechanism of the manual detection mechanism is manually operated to enable the vertical pressure rod to move downwards with the fixing plate and the test needles on the fixing plate, and the downward pressing mechanism is accurately butted with the contact pins of the sensors to be tested in the sensor limiting grooves on the limiting seat one by one, so that the accurate reliability of detection is ensured; specifically, when the test device is in an out-of-operation state, the power switch is turned off, the wrench is in a horizontal state, the connecting rod, the connecting piece and the vertical pressure rod are all in a vertical state, and at the moment, the fixing plate and the test needle which are connected with the vertical pressure rod are far away from the limiting seat and are in the highest position; when the device works, the power switch is turned on, the sensor to be detected is placed in the sensor limiting groove, the contact pin of the sensor is upward, the wrench is pulled, the hinge point of the connecting piece and the connecting rod is enabled to continuously move downwards along an arc which takes the hinge point at the two positions of the hinge shaft as the circle center and the length of the connecting rod as the radius, the hinge point of the connecting piece and the vertical pressure rod is also continuously moved downwards along the vertical direction under the pushing of the connecting piece, and further the fixed plate is pushed downwards to enable the test needle to be in butt joint with the contact pin of the sensor to be detected, the performance test is carried out, the pressing distance can be flexibly adjusted according to the condition of the sensor to be detected to adapt to the sensors of different models, when the wrench is in the vertical state, the connecting rod is in the horizontal state, the connecting piece is in the maximum inclined state, and, at the lowest position; the sensor is subjected to performance testing through the control mechanism, namely the set performance testing module, the control mechanism controls the on and off of the LED lamp according to the testing result, and the detection workers screen out the unqualified product marks in the corresponding sensor limiting grooves according to the condition of the LED lamp.
The utility model discloses following beneficial effect has been reached: the structure is simple, the volume is small, the cost is low, the movement is convenient, and the operation is convenient; the pressing mechanism of the manual detection mechanism is manually operated, and the pressing distance can be flexibly adjusted according to the condition of the sensor to be detected, so that the manual detection mechanism is suitable for sensors of different models and is suitable for performance detection of sensors produced in small batches; the LED lamp and the sensor limiting grooves correspond to each other one by one, the performance of the sensor can be detected in batches, meanwhile, the detection condition of the performance of the corresponding sensor can be visually seen, the detection difficulty and the detection result error are reduced, the labor amount and the labor cost are reduced, and the detection precision and efficiency are improved.
Drawings
FIG. 1 is a front view of a three-foot digital sensor multi-channel hand press tester of an embodiment;
FIG. 2 is a right side view of FIG. 1;
FIG. 3 is a schematic view showing the state of each part when the test pin is pressed down the lowest according to the embodiment;
fig. 4 is a top view of a limiting plate of an embodiment;
FIG. 5 is a schematic diagram of an exemplary embodiment of a microprocessor circuit configuration;
FIG. 6 is a schematic circuit diagram of an embodiment of a power supply and a crystal oscillator connected to a microprocessor;
FIG. 7 is a schematic circuit diagram of an embodiment of a microprocessor-based program interface and power filter;
FIG. 8 is a schematic diagram of an embodiment sensor power supply circuit;
FIG. 9 is a schematic diagram of an embodiment sensor power detection circuit;
FIGS. 10 and 11 are schematic diagrams of exemplary sensor detection circuits;
FIG. 12 is a schematic diagram of an embodiment sensor output circuit;
FIG. 13 is a schematic diagram of an exemplary embodiment of a switch button circuit;
FIG. 14 is a schematic diagram of a control circuit of an LED according to an embodiment.
In the figure: 1. a base; 2. a limiting seat; 3. a support; 4. a fixing plate; 5. a test pin; 6. a guide tube; 7. a vertical compression bar; 8. a connecting member; 9. a connecting rod; 10. a wrench; 11. a sensor limiting groove; 12. a fixing member; 13. a control mechanism; 14. a second hinge shaft; 15. a third hinge shaft; 16. a damping rotating shaft; 17. an LED lamp; 18. and a power switch.
Detailed Description
The invention will be further described with reference to the drawings and specific embodiments, illustrative embodiments and description of which are provided herein to explain the invention, but not as a limitation thereof.
Example (b):
the multi-channel hand press testing machine with the three-foot digital sensor shown in fig. 1-14 comprises a base 1 and a support 2, wherein a power switch 18 and a limiting seat 2 of the sensor are fixedly arranged on the base 1, and a plurality of sensor limiting grooves 11 are uniformly distributed on the limiting seat 2; the bracket 3 is provided with a display mechanism, a manual detection mechanism and a control mechanism;
the display mechanism is fixed on the bracket 3 and comprises a plurality of LED lamps 17, and the arrangement modes of the LED lamps 17 are the same as those of the sensor limiting grooves 11 and correspond to one another;
the manual detection mechanism comprises a detection head and a pressing mechanism; the detection head comprises a fixing plate 4 and a plurality of test needles 5, wherein the test needles 5 are fixed on the lower surface of the fixing plate 4 and correspond to the sensor limiting grooves 11 one by one; the downward pressing mechanism comprises a wrench 10, a connecting rod 9, two connecting pieces 8 and a vertical compression rod 7, one end of the wrench 10 is vertically and fixedly connected with one end of the connecting rod 9, the other end of the connecting rod 9 is hinged with the support 3 through a damping rotating shaft 16, the two connecting pieces 8 are respectively positioned on two sides of the connecting rod 9, one end of each connecting piece 8 is hinged with the end part, close to the wrench 10, of the connecting rod 9 through a second hinge shaft 14, the other end of each connecting piece 8 is hinged with the upper end of the vertical compression rod 7 through a third hinge shaft 15, the lower end of the vertical compression rod 7 is fixedly connected with the upper surface of the fixing plate 4, the support 3 is further fixedly provided with a guide pipe 6, and the vertical compression rod 7 penetrates through the;
and the power switch 18, the LED lamp 17 and the test needle 5 are electrically connected with the control mechanism.
The control mechanism comprises a microprocessor, a noise detection module, a pyroelectric detection module, a noise detection switch, a pyroelectric detection switch and a reset switch, wherein the noise detection module, the pyroelectric detection module, a power switch, the noise detection switch, the pyroelectric detection switch, the reset switch, the LED lamp 17 and the test pin 5 are all electrically connected with the microprocessor. The sensor performance test device has the advantages that two performance tests can be carried out on the sensor through the unified device, time is saved, and detection efficiency is improved. Partial circuit connection schematic diagram of each part is shown in fig. 5-14, and sensor performance detects like noise detection, pyroelectric detection (sensible heat test) is the commonly used technical means in this field, and the detection circuitry and the chip that detect used are field common general knowledge, and the control circuit of LED lamp reaches and is the conventional means in electricity field with other circuit connection, and no longer repeated here, for example, the utility model discloses embodiment microprocessor adopts STM32F103ZET6 singlechip commonly used, and this department sets up the automation performance that has improved the device, has improved the efficiency and the accuracy that the sensor detected.
The vertical pressure bar vertical detection device is characterized in that a fixing piece 12 is vertically arranged on the support 3, one end of the fixing piece 12 is fixedly connected with the support 3, and the other end of the fixing piece is hinged to the end of the connecting rod 9 through a damping rotating shaft 16, so that the connecting rod 9 and the central axis of the guide pipe 6 are located on the same straight line when in a vertical state, the stability of the vertical pressure bar 7 in up-and-down movement is ensured, and the detection precision and efficiency are further improved.
During operation, to wait to detect the sensor and place one by one in sensor spacing groove 11, the sensor contact pin is up, switch on, pull spanner 10, make the pin joint of connecting piece 8 and connecting rod 9 along using the pin joint of articulated shaft two 16 department as the centre of a circle, use connecting rod 9 length as the circular arc of radius and constantly move down, the pin joint of connecting piece 8 and vertical depression bar 7 also constantly moves down along vertical direction under the promotion of connecting piece 8, and then promote fixed plate 4 and push down, make test needle 5 and the contact pin of waiting to detect the sensor dock, select noise detection or pyroelectric detection through performance detection switch such as noise detection switch, pyroelectric detection switch, mutually support through corresponding detection circuitry that sets for, microprocessor and the control circuit of LED lamp 17, carry out the performance test to the sensor, microprocessor controls the bright or dim out of LED lamp 17 according to the test result, the detection workman screens the unqualified product mark in the sensor spacing groove 11 that corresponds according to the condition of LED lamp 17 And then pressing a reset switch to restore the original state of the control mechanism, pressing another performance detection switch to perform another performance test on the sensor, controlling the turning on and off of the LED lamp 17 by the microprocessor according to the test result, and screening out the unqualified product marks in the corresponding sensor limiting groove 11 by a detection worker according to the condition of the LED lamp 17 to finish one-time performance detection. The number of sensors detected at one time can be flexibly reduced or increased according to needs, and the embodiment can perform performance test on 50 sensors at one time.
The technical scheme of the utility model is not limited to the restriction of above-mentioned specific embodiment, all according to the utility model discloses a technical scheme makes technical deformation, all falls into within the protection scope of the utility model.
Claims (3)
1. Three-foot digital sensor multichannel hand pressure test machine, including base and support, its characterized in that: a limit seat of a power switch and a sensor is fixedly arranged on the base, and a plurality of sensor limit grooves are uniformly distributed on the limit seat; the bracket is provided with a display mechanism, a manual detection mechanism and a control mechanism;
the display mechanism is fixed on the bracket and comprises a plurality of LED lamps, and the arrangement modes of the LED lamps are the same as those of the sensor limiting grooves and correspond to one another;
the manual detection mechanism comprises a detection head and a pressing mechanism; the detection head comprises a fixing plate and a plurality of test needles, and the test needles are fixed on the lower surface of the fixing plate and correspond to the sensor limiting grooves one to one; the downward pressing mechanism comprises a wrench, a connecting rod, two connecting pieces and a vertical pressing rod, one end of the wrench is vertically and fixedly connected with one end of the connecting rod, the other end of the connecting rod is hinged with the support through a damping rotating shaft, the two connecting pieces are respectively positioned on two sides of the connecting rod, one end of each connecting piece is hinged with the end part, close to the wrench, of the connecting rod through a second hinge shaft, the other ends of the two connecting pieces are hinged with the upper end of the vertical pressing rod through a third hinge shaft, the lower end of the vertical pressing rod is fixedly connected with the upper surface of the fixing plate, a guide pipe is further fixed on the support, and the vertical pressing rod penetrates;
and the power switch, the LED lamp and the test needle are electrically connected with the control mechanism.
2. The three-legged digital sensor multi-channel hand press testing machine of claim 1, wherein: the control mechanism comprises a microprocessor, a noise detection module, a pyroelectric detection module, a noise detection switch, a pyroelectric detection switch and a reset switch, wherein the noise detection module, the pyroelectric detection module, a power switch, the noise detection switch, the pyroelectric detection switch, the reset switch, the LED lamp and the test pin are all electrically connected with the microprocessor.
3. The three-legged digital sensor multi-channel hand press testing machine of claim 1, wherein: the support is vertically provided with a fixing piece, one end of the fixing piece is fixedly connected with the support, and the other end of the fixing piece is hinged with the end part of the connecting rod through a damping rotating shaft.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921956720.XU CN210570780U (en) | 2019-11-13 | 2019-11-13 | Three-foot digital sensor multi-channel hand press tester |
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| CN201921956720.XU CN210570780U (en) | 2019-11-13 | 2019-11-13 | Three-foot digital sensor multi-channel hand press tester |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112137626A (en) * | 2020-08-24 | 2020-12-29 | 杭州微策生物技术有限公司 | Multi-channel detection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112137626A (en) * | 2020-08-24 | 2020-12-29 | 杭州微策生物技术有限公司 | Multi-channel detection device |
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