Pressure detection device for realizing sealing performance detection of actuator
By setting a pressure sensor and a pressure detection device of the microprocessor U132 in the actuator housing, the problem of not being able to detect whether water is inflowing inside the actuator in real time is solved, real-time monitoring and alarm of the actuator seal detection is realized, and the risk of damage to electronic devices is avoided.
Patent Information
- Application Number
- CN202510150994.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-11
- Publication Date
- 2025-07-01
AI Technical Summary
The prior art cannot detect whether water is in the actuator in real time, resulting in damage to electronic devices and inability to repair in time, resulting in serious consequences.
A pressure detection device is designed, including a pressure sensor and a microprocessor U132, which is arranged in the housing of the actuator to detect the pressure in the housing of the actuator. The microprocessor U132 receives the output signal of the pressure sensor and triggers an alarm through a buzzer or control motherboard.
Real-time monitoring of the actuator seal detection is realized. When a pressure abnormality is detected, an alarm is immediately called to remind the maintenance personnel to repair it in time, and the damage to electronic devices caused by damage to the seal is avoided.
Smart Images
Figure CN120232591A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of the sealing detection of actuators, and in particular to a pressure detection device for realizing the sealing detection of actuators. Background Art
[0002] At present, when an actuator leaves the factory or is in use, it is impossible to know in real time whether water enters the actuator, which may cause damage to electronic components and serious consequences due to untimely maintenance. Therefore, it is necessary to design a pressure detection device for realizing the sealing detection of actuators, so as to facilitate obtaining the pressure in the housing of the actuator and then understanding whether the sealing of the actuator is damaged. Summary of the Invention
[0003] The technical problem to be solved by the present invention is: a pressure detection device for realizing the sealing detection of actuators to realize the sealing detection of actuators.
[0004] The technical solution adopted by the present invention to solve the above technical problem is: a pressure detection device for realizing the sealing detection of actuators, including a pressure sensor and a microprocessor U132. The pressure sensor is arranged in the housing of the actuator, and the pressure sensor is used to detect the pressure in the housing of the actuator. The pressure sensor includes a pressure detection chip U3. The DQ pin of the pressure detection chip U3 is connected in series with a resistor A104 and then leads out an NJ output signal, and the NJ output signal is connected to the PA1 pin of the microprocessor U132. The output signal of the microprocessor U132 is connected to a buzzer unit and / or the control main board of the actuator.
[0005] Preferably, the way that the output signal of the microprocessor U132 is connected to the buzzer unit is: the buzzer unit includes a resistor R49, a triode Q8, and a buzzer. The PA10 pin of the microprocessor U132 leads out a QD output signal. The QD output signal is connected in series with the resistor R49 and then to the base of the triode Q8. The emitter of the triode Q8 is grounded. The collector of the triode Q8 is connected to the negative pole of the buzzer, and the positive pole of the buzzer is connected to the positive pole of the power supply V1.
[0006] Preferably, the microprocessor U132 adopts an M3210-TSSOP chip.
[0007] Preferably, the positive pole of the power supply V1 is connected in series with an inductor A105 and then to the VDD pin of the microprocessor U132. One ends of capacitors P99, P100, and P101 are connected to the VDD pin of the microprocessor U132, and the other ends of the capacitors P99, P100, and P101 are grounded.
[0008] Preferably, the positive pole of the power supply V1 is connected to the VDD pin of the pressure detection chip U3 after being connected in series with the inductor A106. One ends of the capacitors P104, P105, and P106 are connected to the VDD pin of the pressure detection chip U3, and the other ends of the capacitors P104, P105, and P106 are grounded.
[0009] Preferably, the VDD pin of the pressure detection chip U3 is connected to the positive pole of the power supply V2, and the positive pole of the power supply V2 is connected to the DQ pin of the pressure detection chip U3 after being connected in series with the resistor P102.
[0010] Preferably, the positive pole of the power supply V3 is connected to the VDD pin of the pressure detection chip U3 after being connected in series with the inductor A107.
[0011] Preferably, in the pressure sensor, the positive terminal of the electrolytic capacitor A108 is connected to the end where the inductor A106 is connected to the power supply V1, and the negative terminal of the electrolytic capacitor A108 is grounded.
[0012] Preferably, the way the output signal of the microprocessor U132 is connected to the control main board of the actuator is as follows: the microprocessor U132 is communicatively connected to the control main board of the actuator through the SDA communication method and the SDO communication method.
[0013] The beneficial effects of the present invention are as follows: The pressure sensor detects in real time, and the output voltage of the NJ output signal of the pressure sensor changes. The microprocessor U132 obtains the voltage signal detected by the pressure sensor. When the voltage signal obtained from the pressure sensor is lower than the preset voltage value, it indicates that water has entered the housing of the actuator or the sealing performance has deteriorated. The PA10 pin of the microprocessor U132 outputs a high-level signal, and the buzzer alarms to remind the maintenance personnel to repair the actuator in time; Another alarm method is, for example, the microprocessor U132 transmits the high-level signal to the control main board of the actuator, the control main board of the actuator triggers an alarm signal, and the display communicatively connected to the control main board displays the alarm signal. By using the pressure detection device of the present invention, it is convenient to obtain the pressure in the housing of the actuator, and further understand whether the sealing performance of the actuator is damaged, so as to realize the sealing performance detection of the actuator. Brief Description of the Drawings
[0014] Figure 1 is the circuit connection schematic diagram of the microprocessor U132 of the pressure detection device of the present invention;
[0015] Figure 2 is the circuit connection schematic diagram of the pressure sensor of the pressure detection device of the present invention;
[0016] Figure 3 is the circuit connection schematic diagram of the buzzer of the pressure detection device of the present invention; Detailed Embodiments
[0017] The present invention will now be further described in detail with reference to the accompanying drawings and preferred embodiments. These drawings are all simplified schematic diagrams, only illustrating the basic structure of the present invention in a schematic manner, so they only show the components related to the present invention.
[0018] As Figures 1-3 shown, a pressure detection device for realizing the seal detection of an actuator includes a pressure sensor and a microprocessor U132. The pressure sensor is arranged in the housing of the actuator. The pressure sensor is used to detect the pressure inside the housing of the actuator. The pressure sensor includes a pressure detection chip U3. The DQ pin of the pressure detection chip U3 is connected in series with a resistor A104 and then leads out an NJ output signal, and the NJ output signal is connected to the PA1 pin of the microprocessor U132. The output signal of the microprocessor U132 is connected to the buzzer unit and / or the control main board of the actuator.
[0019] Specifically, in an optional implementation manner, the way that the output signal of the microprocessor U132 is connected to the buzzer unit is as follows: The buzzer unit includes a resistor R49, a triode Q8, and a buzzer. The PA10 pin of the microprocessor U132 leads out a QD output signal. The QD output signal is connected in series with the resistor R49 and then to the base of the triode Q8. The emitter of the triode Q8 is grounded. The collector of the triode Q8 is connected to the negative pole of the buzzer, and the positive pole of the buzzer is connected to the positive pole of the power supply V1.
[0020] The pressure sensor detects in real time, and the output voltage of the NJ output signal of the pressure sensor changes. The microprocessor U132 obtains the voltage signal detected by the pressure sensor. When the voltage signal obtained from the pressure sensor is lower than a preset voltage value, it means that water enters the housing of the actuator or the seal is damaged and deteriorated. The PA10 pin of the microprocessor U132 outputs a high-level signal to make the buzzer alarm, reminding the maintenance personnel to repair the actuator in time.
[0021] Specifically, in an optional implementation manner, the way that the output signal of the microprocessor U132 is connected to the control main board of the actuator is as follows: The microprocessor U132 is communicatively connected to the control main board of the actuator through SDA communication mode and SDO communication mode.
[0022] The pressure sensor detects in real time, and the output voltage of the NJ output signal of the pressure sensor changes. The microprocessor U132 obtains the voltage signal detected by the pressure sensor. When the voltage signal obtained from the pressure sensor is lower than a preset voltage value, it means that water enters the housing of the actuator or the seal is damaged and deteriorated. The microprocessor U132 transmits a high-level signal to the control main board of the actuator, and the control main board of the actuator triggers an alarm signal, and a display communicatively connected to the control main board displays the alarm signal.
[0023] Specifically, in an optional implementation manner, as Figure 1As shown, the positive pole of the power supply V1 is connected in series with the inductor A105 and then to the VDD pin of the microprocessor U132. One ends of the capacitors P99, P100, and P101 are connected to the VDD pin of the microprocessor U132, and the other ends of the capacitors P99, P100, and P101 are grounded. The voltage signal of the power supply V1 is filtered by the capacitors P99, P100, and P101.
[0024] Specifically, in an alternative embodiment, as Figure 2 shown, the positive pole of the power supply V1 is connected in series with the inductor A106 and then to the VDD pin of the pressure detection chip U3. One ends of the capacitors P104, P105, and P106 are connected to the VDD pin of the pressure detection chip U3, and the other ends of the capacitors P104, P105, and P106 are grounded. The positive terminal of the electrolytic capacitor A108 is connected to the end where the inductor A106 is connected to the power supply V1, and the negative terminal of the electrolytic capacitor A108 is grounded. The voltage signal of the power supply V1 is filtered by the inductor A106, the capacitors P104, P105, and P106.
[0025] Specifically, in an alternative embodiment, as Figure 2 shown, the VDD pin of the pressure detection chip U3 is connected to the positive pole of the power supply V2, and the positive pole of the power supply V2 is connected in series with the resistor P102 and then to the DQ pin of the pressure detection chip U3.
[0026] Specifically, in an alternative embodiment, as Figure 2 shown, the positive pole of the power supply V3 is connected in series with the inductor A107 and then to the VDD pin of the pressure detection chip U3.
[0027] What is described in the above specification is only the specific embodiments of the present invention. Various examples do not constitute limitations to the essential content of the present invention. Those of ordinary skill in the art can modify or deform the above-described specific embodiments after reading the specification without departing from the essence and scope of the invention.
Claims
1. A pressure detection device for realizing the sealing detection of an actuator, characterized in that: It includes a pressure sensor and a microprocessor U132. The pressure sensor is arranged in the housing of the actuator. The pressure sensor is used to detect the pressure inside the housing of the actuator. The pressure sensor includes a pressure detection chip U3. The DQ pin of the pressure detection chip U3 is connected in series with a resistor A104 to lead out an NJ output signal. The NJ output signal is connected to the PA1 pin of the microprocessor U132; the output signal of the microprocessor U132 is connected to the buzzer unit and / or the control mainboard of the actuator.
2. A pressure detection device for realizing actuator sealing detection according to claim 1, characterized in that: The output signal of the microprocessor U132 is connected to the buzzer unit as follows: the buzzer unit includes a resistor R49, a transistor Q8, and a buzzer. The PA10 pin of the microprocessor U132 leads to a QD output signal, which is connected in series with the resistor R49 and then to the base of the transistor Q8. The emitter of the transistor Q8 is grounded, the collector of the transistor Q8 is connected to the negative pole of the buzzer, and the positive pole of the buzzer is connected to the positive pole of the power supply V1.
3. A pressure detection device for realizing actuator sealing detection according to claim 1, characterized in that: The microprocessor U132 adopts M3210-TSSOP chip.
4. A pressure detection device for realizing actuator sealing detection according to claim 1, characterized in that: The positive electrode of the power supply V1 is connected in series with the inductor A105 and then to the VDD pin of the microprocessor U132. One end of the capacitors P99, P100, and P101 is connected to the VDD pin of the microprocessor U132, and the other ends of the capacitors P99, P100, and P101 are grounded.
5. A pressure detection device for realizing actuator sealing detection according to claim 1, characterized in that: The positive electrode of the power supply V1 is connected in series with the inductor A106 to the VDD pin of the pressure detection chip U3, one end of the capacitors P104, P105, and P106 is connected to the VDD pin of the pressure detection chip U3, and the other ends of the capacitors P104, P105, and P106 are grounded.
6. A pressure detection device for realizing actuator sealing detection according to claim 1, characterized in that: The VDD pin of the pressure detection chip U3 is connected to the positive electrode of the power supply V2, and the positive electrode of the power supply V2 is connected in series with a resistor P102 and then connected to the DQ pin of the pressure detection chip U3.
7. A pressure detection device for realizing actuator sealing detection according to claim 1, characterized in that: The positive electrode of the power supply V3 is connected in series with the inductor A107 and then to the VDD pin of the pressure detection chip U3.
8. The pressure detection device for realizing the sealing detection of the actuator according to claim 5, characterized in that: In the pressure sensor, the positive end of the electrolytic capacitor A108 is connected to one end of the inductor A106 connected to the power supply V1, and the negative end of the electrolytic capacitor A108 is grounded.
9. A pressure detection device for realizing actuator sealing detection according to claim 1, characterized in that: The output signal of the microprocessor U132 is connected to the control mainboard of the actuator in the following manner: the microprocessor U132 is connected to the control mainboard of the actuator through the SDA communication mode and the SDO communication mode.