Anti-overflow probe rod detection system

Abstract

The utility model discloses an anti-overflow feeler lever detection system, an adjustable resistor R7 can adjust the resistance value of an intervention resistor according to the actual situation, and when a detection circuit detects overflow, a light emitting diode LED1 can be switched on to emit light, so that the overflow situation can be quickly and effectively indicated and alarmed, and the next action can be conveniently carried out; the detection circuit is used for detecting whether overflow occurs or not, the grounding circuit plays a role in protecting the electric appliance, and when electric leakage or static electricity occurs to the electric appliance, more current can be led to the ground through the grounding wire, so that the electric appliance and personnel are not injured, and certain use value and popularization value are achieved.

Description

Technical Field

[0001] The utility model relates to the field of electromechanical equipment, in particular to an anti-overflow probe detection system. Background Art

[0002] The anti-overflow sensor is also called an anti-overflow probe. The anti-overflow probe is installed at the top of the tank body of an oil tanker and is a sensor used to determine whether the liquid level in the tank exceeds the specified height.

[0003] Chinese Patent Application No. 202122969307.0 discloses an anti-overflow probe for rapid detection, including a base, and further including: a rapid detection module, the rapid detection module includes a body and a chute opened in the base, the chute is connected with a top block slidably connected with the chute through a spring, the top block is in contact with one end of the body, the body is movably connected with the base, and an anti-overflow probe is installed in the body. The beneficial effect of the utility model is: insert the body into the base, one end of the body first presses the top block, and then as the body moves towards the base, the pressed top block pops out of the chute under the pushing of the spring and limits the body, and at the same time insert the threaded plate into the gap between the arc plates, so that the threads on the arc plates and the threaded plate are integrated, and then rotate the threaded sleeve so that the threaded sleeve, the arc plate and the threaded plate are connected, thereby quickly completing the fixation of the anti-overflow probe, and further enabling the anti-overflow probe to perform rapid detection.

[0004] Although the above-mentioned disclosed patent realizes the installation and use of the anti-overflow probe, in the practical process, it is not convenient for the detection personnel to judge whether there is overflow.

[0005] In summary, an anti-overflow probe detection system is needed to solve the deficiencies existing in the prior art. Content of the Utility Model

[0006] Aiming at the deficiencies of the prior art, the utility model provides an anti-overflow probe detection system, aiming to solve the above problems.

[0007] To achieve the above object, the present utility model provides the following technical solutions: An anti-overflow probe detection system, comprising a connection interface JP1, a detection circuit, an indication circuit, and a grounding circuit. The indication circuit includes a diode D1, a capacitor C2, resistors R4, R5, a control element U3, a variable resistor R7, and a light-emitting diode LED1. The diode D1 is connected to the third pin of the connection interface JP1, the other end of the diode D1 is connected to the resistor R4, the other end of the resistor R4 is connected to the capacitor C2 and the positive input terminal of the control element U3, the other end of the capacitor C2 is grounded, the negative input terminal of the control element U3 is connected to the variable resistor R7, the output terminal of the control element U3 is connected to the resistor R5, the other end of the resistor R5 is connected to the light-emitting diode LED1, the other end of the light-emitting diode is grounded, and the variable resistor R7 is connected to the power supply Vcc and the first pin of the connection interface JP1. The variable resistor R7 can adjust the resistance value of the intervening resistor according to actual needs. When the detection circuit detects an overflow, the light-emitting diode LED1 will turn on and emit light, thereby quickly and effectively indicating and alarming the overflow situation, facilitating the next step of operation.

[0008] Optionally, the detection circuit includes control elements U1, U2, resistors R1, R2, R3, and a capacitor C1. The resistor R1 is connected to the second pin of the connection interface JP1, the other end of the resistor is connected to the capacitor C1 and the control element U1, the capacitor C1 is connected to the resistors R2 and R3, the control element U1 is connected to the control element U2 and the resistor R2, and the resistor R3 is connected to the control element U2. The detection circuit is used to detect whether an overflow occurs.

[0009] Optionally, both the control elements U1 and U1 are 7hc00 type control elements.

[0010] Optionally, the grounding circuit includes a capacitor C3 and a resistor R6. Both ends of the capacitor C3 are connected to the fourth and fifth pins of the connection interface JP1, and the resistor R6 is connected in parallel with the capacitor C3. The grounding circuit plays a role in protecting the electrical appliance. When the electrical equipment has leakage or static electricity, more current can be drained to the ground through the ground wire, thus not causing harm to the electrical appliance and personnel.

[0011] Optionally, the control element U3 is an LM358 type control element.

[0012] The beneficial effects of the present utility model:

[0013] 1. In the present utility model, the adjustable resistor R7 can adjust the resistance value of the intervening resistor according to actual needs. When the detection circuit detects an overflow, the light-emitting diode LED1 will turn on and emit light, thereby quickly and effectively indicating and alarming the overflow situation, facilitating the next step of operation. The detection circuit is used to detect whether an overflow occurs, and the grounding circuit plays a role in protecting the electrical appliance. When the electrical equipment has leakage or static electricity, more current can be drained to the ground through the grounding wire, thus preventing damage to the electrical appliance and personnel, and having certain practical value and promotional value. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is a circuit diagram of the present utility model. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0015] As Figure 1 shown, an anti-overflow probe detection system includes a connection interface JP1, a detection circuit, an indication circuit, and a grounding circuit. The indication circuit includes a diode D1, a capacitor C2, resistors R4, R5, a control element U3, an adjustable resistor R7, and a light-emitting diode LED1. The diode D1 is connected to the third pin of the connection interface JP1. The other end of the diode D1 is connected to the resistor R4. The other end of the resistor R4 is connected to the capacitor C2 and the positive input terminal of the control element U3. The other end of the capacitor C2 is grounded. The negative input terminal of the control element U3 is connected to the adjustable resistor R7. The output terminal of the control element U3 is connected to the resistor R5. The other end of the resistor R5 is connected to the light-emitting diode LED1. The other end of the light-emitting diode is grounded. The adjustable resistor R7 is connected to the power supply Vcc and the first pin of the connection interface JP1. The detection circuit includes control elements U1, U2, resistors R1, R2, R3, and a capacitor C1. The resistor R1 is connected to the second pin of the connection interface JP1. The other end of the resistor is connected to the capacitor C1 and the control element U1. The capacitor C1 is connected to the resistors R2 and R3. The control element U1 is connected to the control element U2 and the resistor R2. The resistor R3 is connected to the control element U2. Both the control elements U1 and U1 are of the 7hc00 type. The grounding circuit includes a capacitor C3 and a resistor R6. Both ends of the capacitor C3 are connected to the fourth and fifth pins of the connection interface JP1. The resistor R6 is connected in parallel with the capacitor C3. The control element U3 is of the LM358 type.

[0016] In the present utility model, the adjustable resistor R7 can adjust the resistance value of the intervening resistor according to actual needs. When the detection circuit detects an overflow, the light-emitting diode LED1 will turn on and emit light, thereby quickly and effectively indicating and alarming the overflow situation, facilitating the next step of operation. The detection circuit is used to detect whether an overflow occurs, and the grounding circuit plays a role in protecting the electrical appliance. When the electrical equipment has leakage or static electricity, more current can be drained to the ground through the grounding wire, thus preventing damage to the electrical appliance and personnel, and having certain practical value and promotional value.

[0017] The above are only the preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent replacements, or improvements made within the spirit and principles of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. An anti-overflow probe detection system, characterized in that, It includes a connection interface JP1, a detection circuit, an indication circuit and a grounding circuit. The indication circuit includes a diode D1, a capacitor C2, resistors R4, R5, a control element U3, a variable resistor R7 and a light-emitting diode LED1. The diode D1 is connected to the third pin of the connection interface JP1. The other end of the diode D1 is connected to the resistor R4. The other end of the resistor R4 is connected to the capacitor C2 and the positive input terminal of the control element U3. The other end of the capacitor C2 is grounded. The negative input terminal of the control element U3 is connected to the variable resistor R7. The output terminal of the control element U3 is connected to the resistor R5. The other end of the resistor R5 is connected to the light-emitting diode LED1. The other end of the light-emitting diode is grounded. The variable resistor R7 is connected to the power supply Vcc and the first pin of the connection interface JP1.

2. The anti-overflow probe detection system according to claim 1, wherein The detection circuit includes control elements U1, U2, resistors R1, R2, R3, and a capacitor C1. The resistor R1 is connected to the second pin of the connection interface JP1. The other end of the resistor is connected to the capacitor C1 and the control element U1. The capacitor C1 is connected to the resistors R2 and R3. The control element U1 is connected to the control element U2 and the resistor R2. The resistor R3 is connected to the control element U2.

3. The anti-overflow probe detection system according to claim 2, characterized in that, Both of the control elements U1 and U1 are of the 7hc00 type.

4. The anti-overflow probe detection system according to claim 1, wherein The grounding circuit includes a capacitor C3 and a resistor R6. Both ends of the capacitor C3 are connected to the fourth and fifth pins of the connection interface JP1. The resistor R6 is connected in parallel with the capacitor C3.

5. The anti-overflow probe detection system according to claim 1, characterized in that The control element U3 is of the LM358 type.

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