A pressure type water temperature sensor detector and its usage method

Abstract

The invention discloses a pressure-type water temperature sensor detector and a use method, and relates to the technical field of diesel engine temperature calibration. The pressure-type water temperature sensor calibrator is assembled from a pressure-type water temperature sensor connecting plug, an electronic point thermometer, and a light-emitting diode. This pressure-type water temperature sensor detector and use method can reduce the operation and start-stop time of the cooling fan after the pressure-type water temperature sensor temperature is calibrated, reduce the failure rate in the use of the cooling fan, control the water temperature of the diesel generator set within a normal range, avoid the water temperature being too low or too high, avoid carbon deposits in the cylinder of the diesel generator set due to too low a temperature or aggravated wear of various parts due to high temperature, avoid the consequences of poor operation status of the diesel generator set, save the maintenance cost of the diesel generator set, regularly detect the pressure-type water temperature sensor of the diesel generator set, discover fault points in advance, prevent the high water temperature or fan non-stop failure of the power generation vehicle in advance, and prevent the occurrence of such traffic accidents.

Description

Technical Field

[0001] The invention relates to the technical field of diesel engine temperature calibration, in particular to a pressure-type water temperature sensor detector and a use method thereof. Background Art

[0002] When the diesel generator set of a power car is put into storage for maintenance, it is often found that the cooling fan of the diesel generator set does not stop or does not start. Ninety percent of the reasons are caused by a failure of the pressure water temperature sensor. When the error of the pressure water temperature sensor is large, it will cause the switch to fail to disconnect when the water temperature is lower than 65°C or fail to close when the water temperature is higher than 85°C, so that the cooling fan cannot work normally, causing the cooling water temperature of the diesel generator set to be too high or too low, affecting the working state of the diesel engine. In severe cases, it will trigger the high water temperature alarm of the diesel generator set, causing cylinder scuffing. The pressure water temperature sensor is installed in the water pipeline of the diesel generator set. The coolant of the diesel generator set must be discharged before replacement, and the coolant must be refilled after replacement. The replacement process takes a long time, and the coolant must be refilled (the main component of the coolant is the antifreeze of the diesel generator set), and the maintenance cost is high.

[0003] To ensure the diesel engine's operational state, eliminate potential faults and adverse conditions associated with high water temperature alarms, and improve operational efficiency, we investigated the on / off conditions and status of the diesel engine's pressure-type water temperature sensor. We modified a conventional electronic point temperature gauge and assembled the pressure-type water temperature sensor connector with an electronic point temperature gauge and a light-emitting diode (LED) to create a pressure-type water temperature sensor detector. This device features a simple structure, convenient and quick operation (single-person operation possible), and an adjustable error value of ±0.1°C. It can also be used for dynamic engine startup testing, reducing fault diagnosis and resolution time while offering safety, energy efficiency, and production cost savings, making it highly practical on-site. To this end, we propose a pressure-type water temperature sensor detector. Summary of the Invention

[0004] The purpose of the present invention is to provide a pressure-type water temperature sensor detector to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned object, the present invention provides the following technical solution: a method for using a pressure-type water temperature sensor detector, comprising a pressure-type water temperature sensor detector, wherein the pressure-type water temperature sensor detector is assembled from a pressure-type water temperature sensor connecting plug, an electronic point temperature meter, and a light-emitting diode. The method for using the pressure-type water temperature sensor detector comprises the following steps:

[0006] S1: Pre-preparation: After the diesel generator set is started, the cooling fan is set to the automatic position and the load is increased;

[0007] S2: Connect the pressure type water temperature sensor and the pressure type water temperature sensor detector, and connect the pressure type water temperature sensor connecting plug to the electronic point thermometer and the pressure type water temperature sensor;

[0008] S3: Check the water temperature sensor. Use an electronic thermometer to test the water inlet or outlet pipe of the diesel engine. If the LED on the thermometer lights up, it is normal. Otherwise, it means that a closed circuit is not formed at the corresponding temperature.

[0009] S4: Adjust the pressure type water temperature sensor. If the pressure type water temperature sensor does not work at the specified temperature, open the rear cover of the pressure type water temperature sensor and adjust the adjustment screw until the pressure type water temperature sensor works at the corresponding temperature.

[0010] S5: Restore and recalibrate, restore the pressure type water temperature sensor wiring, observe the diesel generator water temperature gauge, and recheck whether the cooling fan starts and stops at the corresponding temperature.

[0011] Preferably, the specified temperature in step S4 is: the water inlet pipe sensor is closed when it reaches or exceeds 65°C, and is disconnected when it is lower than 65°C; the water outlet pipe sensor is closed when it reaches or exceeds 85°C, and is disconnected when it is lower than 85°C.

[0012] Preferably, the temperature of the adjusting screw in step S4 must be 65°C or 85°C.

[0013] Preferably, before starting the diesel generator set in step S1, it is necessary to ensure that the diesel generator set is in a safe state.

[0014] Preferably, during the process of adjusting the screw in step S4, the state of the light emitting diode of the electronic spot temperature meter needs to be continuously observed, and it is best when the light is on.

[0015] Preferably, in step S4, the screw rotates to the left to decrease and rotates to the right to increase.

[0016] Preferably, the threshold value for the light-emitting diode of the electronic point temperature meter in step S2 to light up is: the diesel engine water inlet pipe pressure type water temperature sensor is at 65°C and the diesel engine water outlet pipe pressure type water temperature sensor is at 85°C.

[0017] Preferably, after the pressure-type water temperature sensor is recalibrated in step S5, it is necessary to ensure that all connections are firm and reliable.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] 1. After the temperature of the pressure-type water temperature sensor is calibrated, the operation and start-stop time of the cooling fan can be reduced, the fuel energy consumption of the diesel generator set can be saved, and the failure rate of the cooling fan during operation can be reduced.

[0020] 2. After the temperature of the pressure-type water temperature sensor is calibrated by the present invention, the water temperature of the diesel generator set is controlled within a normal range during the use of the diesel generator set in summer and winter, avoiding the water temperature being too low or too high, avoiding carbon deposits in the cylinder of the diesel generator set due to too low a temperature, or aggravated wear of various parts due to high temperature, avoiding the consequences of poor operation of the diesel generator set, and saving the maintenance cost of the diesel generator set.

[0021] 3. In the actual process of replacing the pressure-type water temperature sensor of the present invention, it is necessary to drain the cooling tower before replacement. After using the detector to detect the water temperature sensor, there is no need to disassemble the pressure-type water temperature sensor. The temperature setting value of the pressure-type water temperature sensor can be directly adjusted according to the detected temperature, thereby improving maintenance efficiency and reducing maintenance costs.

[0022] 4. The present invention can regularly detect the diesel engine pressure water temperature sensor, discover fault points in advance, and prevent the high water temperature or fan failure of the power generation vehicle in advance, thereby preventing the occurrence of such driving accidents. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a circuit flow chart of the present invention;

[0024] Figure 2 The figure is a flow chart of the method for using the present invention. DETAILED DESCRIPTION

[0025] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0026] Example

[0027] See also Figure 1-2 The present invention provides a technical solution: a method for using a pressure-type water temperature sensor detector, including a pressure-type water temperature sensor detector, wherein the pressure-type water temperature sensor detector is assembled from a pressure-type water temperature sensor connecting plug, an electronic point temperature meter, and a light-emitting diode. The method for using the pressure-type water temperature sensor detector includes the following steps:

[0028] S1: Pre-preparation: After the diesel generator set is started, the cooling fan is set to the automatic position and the load is increased;

[0029] S2: Connect the pressure type water temperature sensor and the pressure type water temperature sensor detector, and connect the pressure type water temperature sensor connecting plug to the electronic point thermometer and the pressure type water temperature sensor;

[0030] S3: Check the water temperature sensor. Use an electronic thermometer to test the water inlet or outlet pipe of the diesel engine. If the LED on the thermometer lights up, it is normal. Otherwise, it means that a closed circuit is not formed at the corresponding temperature.

[0031] S4: Adjust the pressure type water temperature sensor. If the pressure type water temperature sensor does not work at the specified temperature, open the rear cover of the pressure type water temperature sensor and adjust the adjustment screw until the pressure type water temperature sensor works at the corresponding temperature.

[0032] S5: Restore and recalibrate, restore the pressure type water temperature sensor wiring, observe the diesel generator water temperature gauge, and recheck whether the cooling fan starts and stops at the corresponding temperature.

[0033] The specified temperature in step S4 is: the water inlet pipe sensor is closed when it reaches or exceeds 65°C, and is disconnected when it is lower than 65°C; the water outlet pipe sensor is closed when it reaches or exceeds 85°C, and is disconnected when it is lower than 85°C.

[0034] The temperature of the adjusting screw in step S4 must be 65°C or 85°C.

[0035] Before starting the diesel generator set in step S1, it is necessary to ensure that the diesel generator set is in a safe state.

[0036] During the process of adjusting the screw in step S4, it is necessary to continuously observe the state of the light emitting diode of the electronic spot temperature meter, and it is optimal when the light is on.

[0037] In step S4, the screw rotates to the left to decrease, and rotates to the right to increase.

[0038] The threshold value for the light-emitting diode of the electronic point temperature meter in step S2 to light up is: the diesel engine water inlet pipe pressure type water temperature sensor is at 65°C and the diesel engine water outlet pipe pressure type water temperature sensor is at 85°C.

[0039] After the pressure-type water temperature sensor is recalibrated in step S5, it is necessary to ensure that all connections are secure and reliable.

[0040] The specific implementation of this embodiment is as follows:

[0041] The pressure type water temperature sensor is inserted into the water pipe of the diesel engine through a screw rod. The circuit part of the patch cord is connected to the cooling fan control circuit. The fan start and stop are controlled by the on and off of the sensor. When the water temperature rises, the temperature of the pressure type water temperature sensor inserted in the water pipe rises. The internal liquid expands and pushes the adjusting screw in the opposite direction until it connects with the normally open contact, forming a closed circuit to make the cooling fan work. When the temperature drops below 65 or 85℃, the internal liquid contracts and the spring at the bottom of the adjusting screw resets the adjusting screw to disconnect the circuit. On this basis, an ordinary electronic point temperature meter is installed with a light-emitting diode (in parallel with the electronic point temperature meter battery), and is connected in series with the electronic point temperature meter battery through a pressure-type water temperature sensor connector. After the diesel unit is started, the electronic point temperature meter is used to measure the temperature of the diesel unit's water outlet pipe and water inlet pipe. At this time, the normal operation of the pressure-type water temperature sensor can be judged based on the temperature displayed on the electronic point temperature meter and whether the light-emitting diode is on. If it is abnormal, it can be adjusted through the sensor adjustment screw. It works best when the water temperature is equal to 65 or 85℃ and the light is on.

[0042] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0043] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A method for using a pressure-type water temperature sensor detector, comprising a pressure-type water temperature sensor detector, wherein the pressure-type water temperature sensor detector is assembled from a pressure-type water temperature sensor connector, an electronic point temperature meter, and a light-emitting diode, and is characterized in that: The method for using the pressure-type water temperature sensor detector comprises the following steps: S1: Pre-preparation: After the diesel generator set is started, the cooling fan is set to the automatic position and the load is increased; S2: Connect the pressure type water temperature sensor and the pressure type water temperature sensor detector, and connect the pressure type water temperature sensor connecting plug to the electronic point thermometer and the pressure type water temperature sensor; S3: Check the water temperature sensor. Use an electronic thermometer to test the water inlet or outlet pipe of the diesel engine. If the LED on the thermometer lights up, it is normal. Otherwise, it means that a closed circuit is not formed at the corresponding temperature. S4: Adjust the pressure type water temperature sensor. If the pressure type water temperature sensor does not work at the specified temperature, open the rear cover of the pressure type water temperature sensor and adjust the adjustment screw until the pressure type water temperature sensor works at the corresponding temperature. S5: Restore and recalibrate, restore the pressure type water temperature sensor wiring, observe the diesel generator set water temperature gauge, and recheck whether the cooling fan starts and stops at the corresponding temperature.

2. The method for using the pressure-type water temperature sensor detector according to claim 1, characterized in that: The prescribed temperature in step S4 is: the water inlet pipe sensor is closed when it reaches or exceeds 65°C, and is disconnected when it is lower than 65°C; the water outlet pipe sensor is closed when it reaches or exceeds 85°C, and is disconnected when it is lower than 85°C.

3. The method for using the pressure-type water temperature sensor detector according to claim 1, characterized in that: The temperature of the adjusting screw in step S4 must be 65°C or 85°C.

4. The method for using the pressure-type water temperature sensor detector according to claim 1, characterized in that: Before starting the diesel generator set in step S1, it is necessary to ensure that the diesel generator set is in a safe state.

5. The method for using the pressure-type water temperature sensor detector according to claim 1, characterized in that: During the process of adjusting the screw in step S4, it is necessary to continuously observe the state of the light emitting diode of the electronic spot temperature meter, and it is optimal when the light is on.

6. The method for using the pressure-type water temperature sensor detector according to claim 1, characterized in that: In step S4, the screw rotates to the left to decrease, and rotates to the right to increase.

7. The method for using a pressure-type water temperature sensor detector according to claim 1, characterized in that: The threshold value for the light emitting diode of the electronic point temperature meter in step S2 to light up is: the diesel engine water inlet pipe pressure type water temperature sensor is at 65°C and the diesel engine water outlet pipe pressure type water temperature sensor is at 85°C.

8. The method for using a pressure-type water temperature sensor detector according to claim 1, characterized in that: After the pressure-type water temperature sensor is recalibrated in step S5, it is necessary to ensure that all connections are secure and reliable.

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