CN215633301U - Liquid level alarm device for cooling liquid of automobile internal combustion engine - Google Patents
Liquid level alarm device for cooling liquid of automobile internal combustion engine Download PDFInfo
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- CN215633301U CN215633301U CN202122337947.XU CN202122337947U CN215633301U CN 215633301 U CN215633301 U CN 215633301U CN 202122337947 U CN202122337947 U CN 202122337947U CN 215633301 U CN215633301 U CN 215633301U
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Abstract
The utility model relates to the technical field of automobile internal combustion engines, in particular to a liquid level alarm device for automobile internal combustion engine cooling liquid, which comprises a power supply, a switch, an electromagnetic relay, a buzzer and a floating ball liquid level switch, wherein the liquid level of the cooling liquid is detected by the floating ball liquid level switch, when the liquid level is not lower than the detected liquid level, the floating ball liquid level switch is disconnected, a coil of the electromagnetic relay is powered off, the buzzer does not sound, when the liquid level is lower than the detected liquid level, the floating ball liquid level switch is switched on, the coil of the electromagnetic relay is powered on, the buzzer sounds, and a driver judges whether the liquid level of the engine cooling liquid is lower than the detected liquid level through the sounding of the buzzer, so that the problem that the driver does not notice that the engine cooling liquid is too low is solved.
Description
Technical Field
The utility model relates to the technical field of automobile internal combustion engines, in particular to a liquid level alarm device for cooling liquid of an automobile internal combustion engine.
Background
In a vehicle using an internal combustion engine, the liquid level of the coolant is usually displayed in the form of a pointer or displayed by an indicator lamp in an instrument panel of the vehicle when the liquid level of the coolant is lower than a set liquid level, and the display is not obvious in the two ways, so that a driver can not notice the liquid level of the coolant, and the internal combustion engine of the vehicle runs in a state that the liquid level of the coolant is too low, so that the internal combustion engine of the vehicle is damaged.
SUMMERY OF THE UTILITY MODEL
The technical problems solved by the utility model are as follows: the liquid level alarm device for the cooling liquid of the internal combustion engine of the automobile solves the problem that a driver does not notice that the cooling liquid of the engine is too low.
The utility model adopts the technical scheme for solving the technical problems that: the liquid level alarm device of the cooling liquid of the automobile internal combustion engine comprises a power supply, a switch, an electromagnetic relay, a buzzer and a floating ball liquid level switch; the electromagnetic relay comprises a coil and a normally open contact; the floating ball liquid level switch is used for detecting the liquid level of the cooling liquid; the power supply anode is connected with one end of a switch, the other end of the switch is respectively connected with one end of a coil and one end of a normally open contact, the other end of the coil is connected with one end of a floating ball liquid level switch, the other end of the floating ball liquid level switch is connected with a power supply cathode, and a buzzer is connected between the normally open contact and the power supply cathode.
Further, the device also comprises a first indicator light and a second indicator light, and the electromagnetic relay also comprises a normally closed contact; one end of the normally closed contact is connected with the other end of the switch, the other end of the normally closed contact is connected with one end of a first indicator light, and the other end of the first indicator light is connected with the negative electrode of the power supply; the second indicator light is connected with the buzzer in series.
Further, the first indicator light is a green light, and the second indicator light is a red light.
Further, the device also comprises a fuse, and the fuse is used for current protection.
Further, the switch is a key rotary switch.
Further, the float level switch is ESC 19.
The utility model has the beneficial effects that: the liquid level alarm device for the cooling liquid of the internal combustion engine of the automobile detects the liquid level of the cooling liquid through the floating ball liquid level switch, when the liquid level is not lower than the detected liquid level, the floating ball liquid level switch is disconnected, the electromagnetic relay coil is powered off, the buzzer does not sound, when the liquid level is lower than the detected liquid level, the floating ball liquid level switch is connected, the electromagnetic relay coil is powered on, the buzzer sounds, and a driver judges whether the liquid level of the cooling liquid of the engine is lower than the detected liquid level through the sounding of the buzzer, so that the problem that the driver does not notice that the cooling liquid of the engine is too low is solved.
Drawings
FIG. 1 is a schematic circuit diagram of an embodiment of the liquid level alarm device for the coolant of the internal combustion engine of the automobile, wherein S represents a switch, F represents a fuse, K represents an electromagnetic relay, L1 represents a first indicator light, L2 represents a second indicator light, H represents a buzzer, and SL represents a float level switch.
Detailed Description
The liquid level alarm device of the cooling liquid of the automobile internal combustion engine comprises a power supply, a switch, an electromagnetic relay, a buzzer and a floating ball liquid level switch; the electromagnetic relay comprises a coil and a normally open contact; the floating ball liquid level switch is used for detecting the liquid level of the cooling liquid; the power supply anode is connected with one end of a switch, the other end of the switch is respectively connected with one end of a coil and one end of a normally open contact, the other end of the coil is connected with one end of a floating ball liquid level switch, the other end of the floating ball liquid level switch is connected with a power supply cathode, and a buzzer is connected between the normally open contact and the power supply cathode.
Further, the device also comprises a first indicator light and a second indicator light, and the electromagnetic relay also comprises a normally closed contact; one end of the normally closed contact is connected with the other end of the switch, the other end of the normally closed contact is connected with one end of a first indicator light, and the other end of the first indicator light is connected with the negative electrode of the power supply; the second indicator light is connected with the buzzer in series.
Further, the first indicator light is a green light, and the second indicator light is a red light.
Further, the device also comprises a fuse, and the fuse is used for current protection.
Further, the switch is a key rotary switch.
Further, the float level switch is ESC 19.
One embodiment of the utility model:
the mine car is applied to a TR100 mine car, the low liquid level alarm lamp on an instrument panel prompts that the cooling liquid of a generator is too low, once liquid leakage occurs under strong light irradiation in the daytime, a driver hardly notices the alarm sent by the low liquid level alarm lamp when the low liquid level alarm lamp gives an alarm.
In this embodiment, the liquid level alarm device for the coolant of the internal combustion engine of the automobile, as shown in fig. 1, includes a power source VCC, a switch S, a fuse F, an electromagnetic relay K, a green light L1, a red light L2, a buzzer H, and a float level switch SL; the power VCC links to each other with switch S 'S one end, switch S' S the other end links to each other with fuse F 'S one end and electromagnetic relay K' S one end of coil respectively, electromagnetic relay K 'S the other end of coil links to each other with floater liquid level switch SL' S one end, floater liquid level switch SL 'S another termination power supply' S negative pole, fuse F 'S the other end links to each other with electromagnetic relay K' S normally open contact 'S one end and normally closed contact' S one end respectively, electromagnetic relay K 'S the other end connects the power negative pole behind red light L2 and the buzzer H of establishing ties, electromagnetic relay K' S the other end of normally closed contact connects the power negative pole behind the green light L1 in series.
In this embodiment, the switch S is a key rotary switch of the TR100 mine car, a green light L1, a red light L2 and a buzzer H are arranged on a driving operation table, a floating ball liquid level switch SL is a duckbill liquid level sensor ESC19, and the switch S is opened at the position 30mm away from the center of a mounting hole of the original liquid level sensor
The duckbill level sensor ESC19 is mounted in the through hole of the liquid level sensorThe liquid level of the coolant is detected.
In the embodiment, the original low liquid level alarm of the TR100 mine car is not changed, but the liquid level alarm device of the cooling liquid of the internal combustion engine of the automobile is additionally arranged, the liquid level of the cooling liquid is detected by the duckbill liquid level sensor ESC19, when the liquid level is lower than the detected liquid level, the coil of the electromagnetic relay is electrified, the red light is on, the buzzer buzzes, and a driver can intuitively feel the abnormality so as to judge whether the cooling liquid is lacked.
Claims (6)
1. The liquid level alarm device of the cooling liquid of the internal combustion engine of the car, characterized by, including power, switch, electromagnetic relay, buzzer and float ball liquid level switch; the electromagnetic relay comprises a coil and a normally open contact; the floating ball liquid level switch is used for detecting the liquid level of the cooling liquid; the power supply anode is connected with one end of a switch, the other end of the switch is respectively connected with one end of a coil and one end of a normally open contact, the other end of the coil is connected with one end of a floating ball liquid level switch, the other end of the floating ball liquid level switch is connected with a power supply cathode, and a buzzer is connected between the normally open contact and the power supply cathode.
2. The automotive internal combustion engine coolant level warning device of claim 1, further comprising a first indicator light and a second indicator light, the electromagnetic relay further comprising a normally closed contact; one end of the normally closed contact is connected with the other end of the switch, the other end of the normally closed contact is connected with one end of a first indicator light, and the other end of the first indicator light is connected with the negative electrode of the power supply; the second indicator light is connected with the buzzer in series.
3. The automotive internal combustion engine coolant level warning device of claim 2, wherein the first indicator light is a green light and the second indicator light is a red light.
4. A liquid level warning device for cooling liquid of an internal combustion engine of an automobile according to any one of claims 1 to 3, characterized by further comprising a fuse for current protection.
5. A liquid level warning device for cooling liquid of an internal combustion engine of an automobile according to any one of claims 1 to 3, wherein the switch is a key rotation switch.
6. A liquid level warning device for cooling liquid of an internal combustion engine of an automobile according to any one of claims 1 to 3, wherein the float level switch is of the type ESC 19.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122337947.XU CN215633301U (en) | 2021-09-26 | 2021-09-26 | Liquid level alarm device for cooling liquid of automobile internal combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122337947.XU CN215633301U (en) | 2021-09-26 | 2021-09-26 | Liquid level alarm device for cooling liquid of automobile internal combustion engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215633301U true CN215633301U (en) | 2022-01-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122337947.XU Active CN215633301U (en) | 2021-09-26 | 2021-09-26 | Liquid level alarm device for cooling liquid of automobile internal combustion engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215633301U (en) |
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2021
- 2021-09-26 CN CN202122337947.XU patent/CN215633301U/en active Active
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