CN217766723U - Gas table circuit board test equipment - Google Patents
Gas table circuit board test equipment Download PDFInfo
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- CN217766723U CN217766723U CN202221529697.8U CN202221529697U CN217766723U CN 217766723 U CN217766723 U CN 217766723U CN 202221529697 U CN202221529697 U CN 202221529697U CN 217766723 U CN217766723 U CN 217766723U
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Abstract
The utility model provides a gas table circuit board test equipment, include: the testing mechanism comprises a first driving motor and a signal generating device, wherein the signal generating device is used for generating a metering signal for metering and detecting a circuit board of the gas meter to be tested, and the first driving motor is used for driving the signal generating device to generate the metering signal; the mechanical counting mechanism comprises a second driving motor, a rotating mechanism and a mechanical character wheel, the rotating mechanism is used for driving the mechanical character wheel to count, and the second driving motor is used for driving the rotating mechanism to rotate; and the controller is electrically connected with the first driving motor and the second driving motor and is used for controlling the rotation frequency of the first driving motor and the rotation frequency of the second driving motor, wherein the rotation frequency of the first driving motor is the same as that of the second driving motor. The mechanical character wheel rotation counting is used as a reference metering value, so that the reliability of the accuracy detection of the gas meter circuit board to be detected can be effectively ensured, and misjudgment is prevented.
Description
Technical Field
The utility model relates to a measurement detects technical field, concretely relates to gas table circuit board test equipment.
Background
At present, mainstream gas meters in the market are mainly divided into two types, one type is a traditional mechanical diaphragm gas meter, and the other type is a prepaid diaphragm gas meter, but the metering modes of the two gas meters are that a diaphragm of the diaphragm gas meter is pushed to continuously contract and expand in a metering chamber under the action of pressure difference, and a connecting rod is pushed to do reciprocating motion by means of the external work of the pressure of gas.
Besides a mechanical device, the gas meter also comprises a gas meter circuit board which is another important hardware component of the gas meter, and the gas meter circuit board comprises a metering pulse module, a valve control module, a power supply module, an interface module and the like. The metering pulse module is used for measuring and recording the gas usage amount, namely, the reciprocating motion of the inner connecting rod of the mechanical device is transmitted to the metering pulse module through the electronic component, the metering pulse module converts and calculates the obtained electronic pulse signal, and finally, the metering result is displayed on the digital display screen so as to realize the metering of the gas.
In the production process of the gas meter, in order to ensure the metering accuracy of the gas meter, the metering accuracy of a gas meter circuit board needs to be tested. However, to the test of gas table circuit board measurement accuracy, adopt the control volume of controller control output and the result of gas table circuit board measurement to carry out the comparison usually to obtain gas table circuit board measurement accuracy, however the utility model discloses the people discovers that the control volume of controller output is not the actual control volume of actually using the gas table circuit board, when these two are different, will lead to the erroneous judgement to the accuracy of gas table circuit board measurement result.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model discloses solve the technical problem of the accuracy misjudgement to gas meter circuit board measuring result among the prior art to a gas meter circuit board test equipment is provided.
According to a first aspect, the embodiment of the utility model provides a gas table circuit board test equipment is provided, include:
the testing mechanism comprises a first driving motor and a signal generating device, the signal generating device is used for generating a metering signal for metering and detecting a circuit board of the gas meter to be tested, and the first driving motor is used for driving the signal generating device to generate the metering signal;
the mechanical counting mechanism comprises a second driving motor, a rotating mechanism and a mechanical character wheel, the rotating mechanism is used for driving the mechanical character wheel to count, and the second driving motor is used for driving the rotating mechanism to rotate;
and the controller is electrically connected with the first driving motor and the second driving motor and is used for controlling the rotation frequency of the first driving motor and the rotation frequency of the second driving motor, wherein the rotation frequency of the first driving motor is the same as that of the second driving motor.
Optionally, the signal generating device comprises: magnetic sheet, revolving stage, the magnetic sheet is inlayed rotate the bench, a driving motor with revolving stage fixed connection is used for the drive the revolving stage rotates.
Optionally, the rotation mechanism comprises: the gear rotating table is fixedly connected with the second driving motor, and the second driving motor is used for driving the gear rotating table to rotate;
and the gear assembly is meshed with the gear rotating table and the mechanical character wheel.
Optionally, the gas meter circuit board testing device further includes: and the at least one test unit is respectively used for placing the circuit boards of the gas meters to be tested, and each test unit corresponds to one test mechanism.
Optionally, the gas meter circuit board testing device further includes: and the starting device is electrically connected with the controller and used for starting or pausing the first driving motor and the second driving motor by one key.
Optionally, the gas meter circuit board test equipment further includes: and the power supply adaptation module is electrically connected with the to-be-tested gas meter circuit board and the controller.
Optionally, the gas meter circuit board test equipment further includes: the first driver is electrically connected with the first driving motor and the controller and used for adjusting the first driving motor;
and the second driver is electrically connected with the second driving motor and the controller and is used for adjusting the second driving motor.
Optionally, the signal generating device comprises a plurality of magnetic sheets uniformly embedded on the rotating table.
The utility model discloses technical scheme has following advantage:
1. in this embodiment, the controller controls the first driving motor and the second driving motor to rotate simultaneously, and the rotation frequencies of the first driving motor and the second driving motor are the same. The first driving motor drives the signal generating device to generate a metering signal for the circuit board of the gas meter to be measured to perform metering detection, meanwhile, the second driving motor drives the rotating mechanism to rotate, the rotating mechanism is meshed with the mechanical character wheel, and then the rotating mechanism drives the mechanical character wheel to rotate for counting. Under the condition that the first driving motor and the second driving motor rotate simultaneously and the controller controls the first driving motor and the second driving motor to rotate at the same frequency, when the measured signal value measured by the circuit board of the gas meter to be measured is the same as or similar to the rotation count value of the mechanical character wheel, the measurement accuracy of the circuit board of the gas meter to be measured is high, and the circuit board can be normally used and measured. The mechanical character wheel rotation counting is used as a reference metering value, and the reliability of the accuracy detection of the gas meter circuit board to be detected can be effectively guaranteed. The method and the device prevent the error judgment of the accuracy of the metering result of the circuit board of the gas meter to be measured when the control quantity output by the controller is not the actual control quantity actually applied to the circuit board of the gas meter.
2. The gas meter circuit board testing equipment in the implementation can measure a plurality of gas meter circuit boards to be tested simultaneously, so that the testing efficiency of the gas meter circuit boards to be tested is improved, the gas meter circuit board testing equipment is small in occupied area and portable, and the measuring accuracy of the gas meter circuit boards to be tested can be tested without occupying too large space.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a structural diagram of a specific example of a gas meter circuit board testing device in an embodiment of the present invention;
fig. 2 is a structural view of a specific example of a turntable according to an embodiment of the present invention;
fig. 3 is a structural view of a specific example of a gear rotating table according to an embodiment of the present invention;
fig. 4 is a connection diagram of a specific example of the driver and the driving motor according to the embodiment of the present invention.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, or may be connected through the inside of the two elements, or may be connected wirelessly or through a wire. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
Examples
The embodiment provides a gas table circuit board test equipment, is applied to the occasion that needs test gas table circuit board measurement accuracy, and this gas table circuit board test equipment includes accredited testing organization 11, mechanical counting mechanism 12, controller 13, specifically as follows.
As shown in fig. 1 and fig. 2, the testing mechanism 11 includes a first driving motor 111 and a signal generating device 112 (shown by a dashed line frame in fig. 2), the signal generating device is configured to generate a measuring signal for measuring and detecting a circuit board of the gas meter to be tested, and the first driving motor is configured to drive the signal generating device to generate the measuring signal.
The first driving motor is fixedly connected with the signal generating device, and the first driving motor drives the signal generating device to rotate so as to generate a metering signal for metering and detecting the circuit board of the gas meter to be detected.
As shown in fig. 1 and 3, the mechanical counting mechanism 12 includes a second driving motor 121, a rotating mechanism 122 (shown by a dashed line in fig. 3) and a mechanical print wheel 123, wherein the rotating mechanism is used for driving the mechanical print wheel to count, and the second driving motor is used for driving the rotating mechanism to rotate.
Wherein, mechanical counting mechanism still includes mechanical count display frame 124, second driving motor and slewing mechanism fixed connection, and second driving motor drive slewing mechanism rotates, and slewing mechanism and mechanical character wheel mesh, and then drive mechanical character wheel and rotate the count, can see count process and result in mechanical count display frame.
And the controller 13 is electrically connected with the first driving motor and the second driving motor and is used for controlling the rotation frequency of the first driving motor and the rotation frequency of the second driving motor, wherein the rotation frequency of the first driving motor is the same as that of the second driving motor.
In this embodiment, the controller controls the first driving motor and the second driving motor to rotate simultaneously, and the rotation frequencies of the first driving motor and the second driving motor are the same. The first driving motor drives the signal generating device to generate a metering signal for the circuit board of the gas meter to be measured to perform metering detection, meanwhile, the second driving motor drives the rotating mechanism to rotate, the rotating mechanism is meshed with the mechanical character wheel, and then the rotating mechanism drives the mechanical character wheel to rotate for counting. Under the condition that the first driving motor and the second driving motor rotate simultaneously and the controller controls the first driving motor and the second driving motor to rotate at the same frequency, when the measured signal value measured by the circuit board of the gas meter to be measured is the same as or similar to the rotation count value of the mechanical character wheel, the measurement accuracy of the circuit board of the gas meter to be measured is high, and the circuit board can be normally used and measured. The mechanical character wheel rotation counting is used as a reference metering value, and the reliability of the accuracy detection of the gas meter circuit board to be detected can be effectively guaranteed. The method and the device prevent the error judgment of the accuracy of the metering result of the circuit board of the gas meter to be measured when the control quantity output by the controller is not the actual control quantity actually applied to the circuit board of the gas meter.
It should be noted that the embodiment of the utility model provides a what mainly introduces is gas table circuit board test equipment's hardware architecture, the utility model discloses what protect also is the structure that this gas table circuit board test equipment has and the components and parts that contain, as for method contents such as control logic wherein, can adopt current logic completely.
As shown in fig. 2, as an optional implementation manner, in an embodiment of the present invention, the signal generating device includes:
Specifically, the rotating table and the magnetic sheet rotate under the action of the first driving motor, the detection metering device on the circuit board of the gas meter to be measured generates an electric signal when the magnetic sheet passes through the detection metering device, and the electric signal disappears when the magnetic sheet is far away from the detection metering device, so that the electric signal is repeated to generate a metering pulse signal for metering.
As an optional implementation manner, in the embodiment of the present invention, the signal generating device includes a plurality of magnetic sheets, and the magnetic sheets are uniformly embedded on the rotating table.
For example, as shown in fig. 1, 4 magnetic sheets can be embedded on the rotating table and uniformly distributed on the rotating table. When the rotating table rotates 360 degrees, the detection metering device on the circuit board of the gas meter to be detected can detect 4 times of pulse signals, so that the pulse signals detected by the detection metering device on the circuit board of the gas meter to be detected can be ensured to have no missing problem or reduce the probability of detection missing, and the accuracy of counting is ensured. The measurement signal value of the detection and measurement device on the circuit board of the gas meter to be measured can be compared with the rotation count value of the mechanical character wheel through simple conversion.
As shown in fig. 1 and fig. 3, as an optional implementation manner, in an embodiment of the present invention, the rotating mechanism includes:
the gear rotating table 1221 is fixedly connected with the second driving motor, and the second driving motor is used for driving the gear rotating table to rotate;
and the gear assembly 123 is meshed with the gear rotating table and the mechanical character wheel.
The second driving motor drives the rotating mechanism to rotate, and the rotating mechanism is meshed with the mechanical character wheel so as to drive the mechanical character wheel to rotate for counting. The mechanical counting has higher accuracy, and the mechanical counting is used as a reference metering value, so that the metering accuracy of the circuit board of the gas meter to be tested can be ensured without the phenomenon of misjudgment.
As shown in fig. 1, as an optional implementation manner, in the embodiment of the present invention, the gas meter circuit board test equipment further includes: and the at least one test unit 14 is used for placing the circuit boards of the gas meters to be tested respectively, and each test unit corresponds to one test mechanism.
The test unit is a groove and used for placing a gas meter circuit board to be tested, the gas meter circuit board to be tested is placed in the test unit and fixed by using screws, and the metering detector of the gas meter circuit board to be tested is placed opposite to the signal generating device. In order to ensure the accuracy and the authenticity of the measurement, the vertical distance between the measurement detector and the signal generating device is the actual distance between the gas meter circuit board and the measurement detector in the gas meter, namely the vertical distance between the measurement detector and the signal generating device can be 5mm.
The controller is electrically connected with the first driving motors in the testing mechanisms corresponding to the testing units respectively, and the rotating frequency of each first driving motor is the same as that of the second driving motor. The gas meter circuit board testing equipment can be used for simultaneously measuring a plurality of gas meter circuit boards to be tested, so that the testing efficiency of the gas meter circuit boards to be tested is improved, the gas meter circuit board testing equipment is small in occupied area and convenient to carry, and the measuring accuracy of the gas meter circuit boards to be tested can be tested without occupying too large space.
As shown in fig. 1, as an optional implementation manner, in the embodiment of the present invention, the gas meter circuit board test equipment further includes: and the starting device 15 is electrically connected with the controller and used for starting or stopping the first driving motor and the second driving motor by one key.
This starting drive can carry out a key start according to the parameter value that the controller set up in advance, when testing other examination gas table circuit boards that await measuring next time, only need press starting drive can a key test, also can realize a key stop function through this starting drive, this starting drive is convenient and swift promptly, can make the user learn the test to gas table circuit board accuracy fast.
As an optional implementation mode, in the embodiment of the utility model, gas table circuit board test equipment still includes:
and the power supply adapting module (not shown in the figure) is electrically connected with the circuit board of the gas meter to be tested and the controller.
The power supply adaptation module can adapt according to the access voltage of the gas meter circuit board to be tested to ensure the normal work of the gas meter circuit board to be tested, and can input the adapted power supply according to the rated voltage of the adopted first driving motor or second driving motor to ensure the normal work of the first driving motor or the second driving motor.
As shown in fig. 4, as an optional implementation manner, in the embodiment of the present invention, the gas meter circuit board test equipment further includes:
a first driver 1123 electrically connected to the first driving motor and the controller for adjusting the first driving motor;
and the second driver 1223 is electrically connected with the second driving motor and the controller and used for adjusting the second driving motor.
The first driver and the second driver can be electronic speed regulators, and the rotating speed of the first driving motor or the second driving motor can be adjusted according to a control signal output by the controller. In this embodiment, each first driving motor corresponds to one first driver.
In this embodiment, use first driving motor and second driving motor to realize accurate speed governing, the gas velocity of walking when simulation gas table is ventilated, and all first driving motors can connect in parallel, adjust the electric current of first driver, can reach unified control and increase the measuring accuracy, reduce the test error. And the circuit board part of the gas meter to be tested and other parts of the gas meter are separately tested, so that the occupied space of the test is reduced, and the test noise is reduced.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.
Claims (8)
1. The utility model provides a gas table circuit board test equipment which characterized in that includes:
the testing mechanism comprises a first driving motor and a signal generating device, wherein the signal generating device is used for generating a metering signal for metering and detecting a circuit board of the gas meter to be tested, and the first driving motor is used for driving the signal generating device to generate the metering signal;
the mechanical counting mechanism comprises a second driving motor, a rotating mechanism and a mechanical character wheel, the rotating mechanism is used for driving the mechanical character wheel to count, and the second driving motor is used for driving the rotating mechanism to rotate;
and the controller is electrically connected with the first driving motor and the second driving motor and is used for controlling the rotating frequency of the first driving motor and the rotating frequency of the second driving motor, wherein the rotating frequency of the first driving motor is the same as that of the second driving motor.
2. The gas meter circuit board test equipment of claim 1, wherein the signal generation device comprises:
magnetic sheet, revolving stage, the magnetic sheet is inlayed rotate the bench, a driving motor with revolving stage fixed connection is used for the drive the revolving stage rotates.
3. The gas meter circuit board testing apparatus according to claim 1 or 2, wherein the rotating mechanism includes:
the gear rotating table is fixedly connected with the second driving motor, and the second driving motor is used for driving the gear rotating table to rotate;
and the gear assembly is meshed with the gear rotating table and the mechanical character wheel.
4. The gas meter circuit board test equipment of claim 1, further comprising: and the at least one test unit is respectively used for placing the circuit boards of the gas meters to be tested, and each test unit corresponds to one test mechanism.
5. The gas meter circuit board test equipment of claim 4, further comprising:
and the starting device is electrically connected with the controller and used for starting or pausing the first driving motor and the second driving motor by one key.
6. The gas meter circuit board test equipment of claim 5, further comprising:
and the power supply adaptation module is electrically connected with the gas meter circuit board to be tested and the controller.
7. The gas meter circuit board test equipment of claim 1, further comprising:
the first driver is electrically connected with the first driving motor and the controller and used for adjusting the first driving motor;
and the second driver is electrically connected with the second driving motor and the controller and is used for adjusting the second driving motor.
8. The gas meter circuit board testing equipment of claim 2, wherein the signal generating device comprises a plurality of magnetic sheets uniformly embedded on the rotating table.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221529697.8U CN217766723U (en) | 2022-06-17 | 2022-06-17 | Gas table circuit board test equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221529697.8U CN217766723U (en) | 2022-06-17 | 2022-06-17 | Gas table circuit board test equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217766723U true CN217766723U (en) | 2022-11-08 |
Family
ID=83894880
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221529697.8U Active CN217766723U (en) | 2022-06-17 | 2022-06-17 | Gas table circuit board test equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217766723U (en) |
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2022
- 2022-06-17 CN CN202221529697.8U patent/CN217766723U/en active Active
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