CN218349659U - Air compressor machine temperature sensor - Google Patents
Air compressor machine temperature sensor Download PDFInfo
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- CN218349659U CN218349659U CN202222485581.5U CN202222485581U CN218349659U CN 218349659 U CN218349659 U CN 218349659U CN 202222485581 U CN202222485581 U CN 202222485581U CN 218349659 U CN218349659 U CN 218349659U
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- temperature
- air compressor
- temperature sensor
- temperature sensing
- plug connector
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Abstract
The utility model discloses an air compressor temperature sensor in the temperature sensor field, which comprises a probe end and a wire harness end, wherein the probe end is provided with a front anti-vibration sealing structure, a temperature sensing mechanism is arranged in the front anti-vibration sealing structure, the wire harness end is provided with a rear anti-vibration sealing structure, a wiring mechanism is arranged in the rear anti-vibration sealing structure, and the temperature sensing mechanism is connected with the wiring structure through a skin-covered high-temperature-resistant wire; and the preceding antivibration seal structure of probe end and the back sealing mechanism of pencil end can make respectively and be in temperature sensing mechanism and wiring mechanism among them and do not receive the influence of humidity in the air compressor machine environment, can also effectively reduce the influence of vibration simultaneously for temperature sensor specially adapted is under the abominable operating mode of strong vibration, high humidity, like the measurement of on-vehicle air compressor machine surface temperature.
Description
Technical Field
The utility model relates to an air compressor machine temperature sensor in the temperature sensor field.
Background
The air compressor temperature sensor is installed on the compressor product for the air suspension system (the air suspension compressor is generally installed near the position of a chassis of the whole vehicle), the plug connector of the air compressor temperature sensor is connected with an air suspension system ECU (electronic control unit) or an air compressor control unit, and the air compressor temperature sensor is continuously and stably supplied with DC5V voltage (different according to the ECU specification design). The air compressor temperature sensor is used for monitoring the surface temperature of a compressor product for the air suspension system in real time and plays a role in overheat protection of the compressor. Install the air compressor machine temperature sensor at compressor piston casing terminal surface, the temperature resistance through the temperature sensing chip in the air compressor machine temperature sensor changes for the voltage of reposition of redundant personnel changes in the ECU, and then judges the condition of compressor operating temperature value, thereby realizes thermal protection. The basic control strategy of the air suspension air compressor is as follows: when the temperature of the surface of the piston shell of the compressor is monitored to reach the specified high temperature, the ECU sends an instruction for stopping the compressor, and when the temperature of the surface of the piston shell of the compressor is monitored to be reduced to the specified temperature, the ECU sends an instruction for continuing the operation of the compressor. Because the working position of the temperature sensor of the air compressor is at the position of the chassis of the whole vehicle, the vibration frequency is complex, and the climate environment (humidity) of the air compressor is 0 to 90 percent Max, but the temperature sensor in the prior art has insufficient waterproof performance and vibration resistance, cannot adapt to the situation and is very easy to damage.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an air compressor machine temperature sensor, leakproofness and anti-seismic performance are good, under the abominable operating mode of specially adapted strong vibration, high humidity.
In order to achieve the above purpose, the utility model provides an air compressor machine temperature sensor, including probe end and pencil end, the probe end is provided with preceding antivibration seal structure, is provided with temperature sensing mechanism in the preceding antivibration seal structure, and the pencil end is provided with back antivibration seal structure, is provided with wiring mechanism in the back antivibration seal structure, and it is continuous to cover high temperature resistant wire between temperature sensing mechanism and the wiring structure.
Compared with the prior art, the utility model has the advantages that, measure the air compressor machine temperature through the temperature sensing mechanism in the probe end, lead to by the high temperature resistant wire of cover skin and pencil end with data transfer to ECU for the voltage of reposition of redundant personnel changes in the ECU, and then judge the condition of compressor operating temperature value, when monitoring that the temperature on compressor piston housing surface reaches appointed high temperature, ECU assigns the instruction that the compressor stops work, when monitoring that the temperature on compressor piston housing surface drops to appointed temperature, ECU assigns the instruction that the compressor can continue to work, thereby realize thermal protection; and the preceding antivibration seal structure of probe end and the back sealing mechanism of pencil end can make respectively and be in temperature sensing mechanism and wiring mechanism among them and do not receive the influence of humidity in the air compressor machine environment, can also effectively reduce the influence of vibration simultaneously for temperature sensor specially adapted is under the abominable operating mode of strong vibration, high humidity, like the measurement of on-vehicle air compressor machine surface temperature.
As a further improvement, the utility model discloses a preceding antivibration seal structure is including setting up the die cavity in probe end latter half, and temperature sensing mechanism fixes in the die cavity through the point, and the periphery cladding of die cavity has the shell of moulding plastics, and the front end of the high temperature resistant wire of cover inserts the shell of moulding plastics and goes deep into the die cavity and is connected with temperature sensing mechanism.
The temperature sensing mechanism is placed in the glue dispensing cavity after glue dispensing is completed, and injection molding is performed after glue curing, so that the injection molding shell covers the temperature sensing mechanism and the front end of the sheath high-temperature-resistant wire, a probe end sealing structure is formed, the temperature sensing mechanism can be firmly fixed in the cavity after the glue is cured, and the anti-vibration effect is improved.
As the utility model discloses a further improvement, temperature sensing mechanism includes the temperature sensing chip, and two pins of temperature sensing chip are provided with insulating spacer respectively with two conductor welded connection of the one end of covering the high temperature resistant wire between two pins of temperature sensing chip, and the temperature sensing chip of putting into insulating spacer is arranged in high temperature resistant insulating sleeve intraductally, and high temperature resistant insulating sleeve sets up in the die cavity.
Therefore, the insulating spacers between the pins of the temperature sensing chip can prevent the pins from contacting and short-circuiting, and the high-temperature-resistant insulating sleeve can further improve the insulating property of the temperature sensing chip and can adapt to higher temperature.
As a further improvement of the utility model, the part of the sheath high temperature resistant lead at the tail part of the cavity is connected with the tail part of the cavity in a buckling and pressing way; the temperature sensing chip and the connecting part of the sheath high-temperature-resistant lead can be tightly pressed in the cavity after being buckled and pressed, so that the movement is avoided when the injection molding is carried out, and the vibration resistance can be further improved.
As a further improvement, the back antivibration seal structure includes injection moulding's plug connector, and the wiring mechanism sets up in the plug connector, and the conductor of the other end of covering the high temperature resistant wire stretches into and links to each other with the wiring mechanism from the front end of plug connector, and the plug connector will cover the part cladding that the high temperature resistant wire of skin is connected with the wiring mechanism, and the externally mounted of plug connector has fixed buckle.
Therefore, the wiring mechanism and the rear end of the sheath high-temperature-resistant lead are molded into a connector together to form a wiring harness end sealing structure, the shape of the connector can be changed according to the requirement of a customer on the connector, and the anti-vibration performance can be improved while damp is prevented.
As the utility model discloses a further improvement, the wiring mechanism is including setting up the terminal cassette, and the rear end and the PIN plug of terminal cassette, terminal cassette and terminal PIN needle are by the plug connector cladding, and the conductor of the other end of the high temperature resistant wire of cover stretches into the terminal cassette and with terminal PIN needle pressfitting from the front end of plug connector, and the middle part of terminal cassette is provided with the back-off, back-off and terminal PIN needle phase-match.
Thus, after the conductor of the sheathed high-temperature-resistant lead is pressed and connected with the PIN PIN of the terminal, the sheathed high-temperature-resistant lead is inserted into the terminal clamping seat, so that the terminal is prevented from being stressed, short-circuited and deformed during the injection molding of a subsequent connector.
As a further improvement of the utility model, the tail part of the injection molding shell and the front end of the plug connector are both provided with bulges; thus, the cable can be prevented from being burnt during injection molding.
As a further improvement of the utility model, the temperature sensing chip is an NTC chip or a Pt chip; the resistance value of the NTC chip is reduced along with the rise of the temperature; the resistance value of the Pt chip is increased along with the rise of the temperature, and the two chips can measure the temperature and can be selected according to actual conditions.
As a further improvement of the utility model, the high temperature resistant insulating sleeve is a Teflon sleeve or a glass fiber sleeve; therefore, the insulating property is still kept well in a high-temperature environment, and the safety is improved.
As a further improvement of the utility model, the insulating spacer can be T-shaped or I-shaped or thin sheet-shaped, so that two pins of the temperature sensing chip can be well separated.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is an explosion diagram of the present invention.
Fig. 3 is a view of the chip bonding of the present invention.
Fig. 4 is a cross-sectional view of the probe end of the present invention.
Fig. 5 is a cross-sectional view of the terminal holder of the present invention.
Fig. 6 is a cross-sectional view of a molded cable end in accordance with the present invention.
The temperature-sensing probe comprises a probe end 1, a sheath high-temperature-resistant wire 2, a wire harness end 3, a temperature-sensing chip 4, an insulating spacer 5, a high-temperature-resistant insulating sleeve 6, an injection molding shell 7, a fixing buckle 8, a plug connector 9, a terminal clamping seat 10, a terminal PIN needle 11, a buckling part 13, a bulge 14 and an inverse buckle 15.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings:
as shown in fig. 1-6, the temperature sensor for the air compressor comprises a probe end 1 and a wire harness end 3, wherein the probe end 1 is provided with a front anti-vibration sealing structure, a temperature sensing mechanism is arranged in the front anti-vibration sealing structure, the wire harness end 3 is provided with a rear anti-vibration sealing structure, a wiring mechanism is arranged in the rear anti-vibration sealing structure, and the temperature sensing mechanism and the wiring structure are connected through a skin-covered high-temperature-resistant wire 2.
The front anti-vibration sealing structure comprises a cavity arranged at the rear half part of the probe end 1, the temperature sensing mechanism is fixed in the cavity through glue dispensing, the periphery of the cavity is coated with an injection molding shell 7, and the front end of the coated high-temperature-resistant lead 2 is inserted into the injection molding shell 7 and extends into the cavity to be connected with the temperature sensing mechanism.
The temperature sensing mechanism comprises a temperature sensing chip 4, two pins of the temperature sensing chip 4 are respectively welded with two conductors at one end of the sheath high-temperature-resistant wire 2, an insulating spacer 5 is arranged between the two pins of the temperature sensing chip 4, the temperature sensing chip 4 placed into the insulating spacer 5 is arranged in a high-temperature-resistant insulating sleeve 6, and the high-temperature-resistant insulating sleeve 6 is arranged in a cavity.
The part of the sheath high-temperature-resistant lead 2 at the tail part of the cavity is buckled and pressed with the tail part of the cavity; the back antivibration seal structure includes injection moulding's plug connector 9, and wiring mechanism sets up in plug connector 9, and the conductor of the other end of covering skin high temperature resistant wire 2 stretches into and links to each other with wiring mechanism from the front end of plug connector 9, and plug connector 9 will cover the part cladding that skin high temperature resistant wire 2 and wiring mechanism are connected, and the externally mounted of plug connector 9 has fixed buckle 8.
The wiring mechanism is including setting up terminal cassette 10, and the rear end of terminal cassette 10 is pegged graft with terminal PIN needle 11, and terminal cassette 10 and terminal PIN needle 11 are by the cladding of plug connector 9, and the conductor of the other end of the high temperature resistant wire 2 of cover stretches into terminal cassette 10 and with terminal PIN needle 11 crimping from the front end of plug connector 9, and the middle part of terminal cassette 10 is provided with back-off 15, back-off 15 and terminal PIN needle 11 phase-matchs.
The tail part of the injection molding shell 7 and the front end of the plug connector 9 are both provided with bulges 14; the temperature sensing chip 4 is an NTC chip or a Pt chip; the high-temperature-resistant insulating sleeve 6 is a Teflon sleeve or a glass fiber sleeve; the insulating spacer 5 may be T-shaped or i-shaped or a thin sheet-shaped.
In the utility model, two pins of the temperature sensing chip 4 are respectively welded with two conductors at one end of the sheath high temperature resistant lead 2, wherein the two conductors of the sheath high temperature resistant lead 2 need to be pressed to square before being welded; an insulating spacer 5 is arranged between two pins of the temperature sensing chip 4 after welding so as to insulate the two pins of the temperature sensing chip 4; the temperature sensing chip 4 placed into the insulating spacer 5 is placed in an insulating sleeve, glue is dispensed in the cavity, the temperature sensing chip 4 is placed into a glue dispensing cavity after glue is dispensed, the tail of the cavity is buckled and pressed after glue is solidified, the periphery of the tail of the cavity forms a concave buckling and pressing part 13 due to buckling and pressing, and injection molding is carried out after buckling and pressing is completed, so that the injection molding shell 7 covers the periphery of the cavity of the chip and covers the skin high-temperature-resistant lead 2, and a sealing structure of the probe end 1 is formed.
Wherein the temperature sensing chip 4 is an NTC chip or a Pt chip, and the difference between the NTC chip and the Pt chip is as follows: the resistance value of the NTC chip is reduced along with the rise of the temperature; the resistance value of the Pt chip is increased along with the rise of the temperature, wherein one of the Pt chips can be selected according to actual requirements; the high-temperature-resistant insulating sleeve 6 can be a Teflon sleeve or a glass fiber sleeve, and can also be an insulating sleeve made of other materials meeting the temperature requirement; the tail of the injection molding shell 7 is provided with a bulge 14, so that the skin-coated high-temperature-resistant lead 2 is prevented from being scalded during injection molding.
The cable harness end 3 comprises a fixing buckle 8, a connector, a terminal clamping seat 10 and a terminal PIN needle 11. The terminal PIN needle 11 is in compression joint with two conductors at the other end of the sheath high-temperature-resistant lead 2, then the terminal PIN needle 11 is inserted into the terminal clamping seat 10, and then the terminal clamping seat 10 and the sheath high-temperature-resistant lead 2 are injected together to form a connector, so that a sealing structure of the wire harness end 3 is formed.
The terminal card seat 10 is provided with an inverted buckle 15, and the terminal PIN 11 is clamped at the position of the inverted buckle 15 after being pushed in, so that the terminal PIN 11 is prevented from being forced to withdraw during injection molding; the shape of the connector is changed according to the requirement of a customer on the matched terminal connector; the fixing buckle 8 is arranged on the connector and used for fixing a wiring harness of the ECU client; the connector afterbody of moulding plastics has arch 14, prevents that the cable scalds when moulding plastics.
The utility model discloses a triple sealed protection of adoption of probe end 1: dispensing, buckling and injection molding of the shell 7 for wrapping ensure excellent product performance in a strong vibration and high humidity environment; the wire harness end 3 adopts an integral injection molding structure: after the PIN needle 11 of the terminal is inserted into the terminal clamping seat 10, the whole body and the sheath high-temperature-resistant lead 2 are integrally molded by injection molding, so that the waterproof performance of the wire harness end 3 is ensured; the two ends of the probe end 1 and the wire harness end 3 are subjected to injection molding, and the overall vibration resistance of the product is improved.
The present invention is not limited to the above embodiments, and based on the technical solutions of the present disclosure, those skilled in the art can make some substitutions and transformations to some technical features without creative labor according to the disclosed technical contents, and these substitutions and transformations are all within the protection scope of the present invention.
Claims (10)
1. The utility model provides an air compressor machine temperature sensor, includes probe end and pencil end, its characterized in that: the probe end is provided with a front anti-vibration sealing structure, a temperature sensing mechanism is arranged in the front anti-vibration sealing structure, the wire harness end is provided with a rear anti-vibration sealing structure, a wiring mechanism is arranged in the rear anti-vibration sealing structure, and the temperature sensing mechanism is connected with the wiring structure through a coated high-temperature-resistant wire.
2. The air compressor temperature sensor according to claim 1, wherein: the front anti-vibration sealing structure comprises a cavity arranged at the rear half part of the probe end, the temperature sensing mechanism is fixed in the cavity through glue dispensing, the periphery of the cavity is coated with an injection molding shell, and the front end of the coated high-temperature-resistant wire is inserted into the injection molding shell and extends into the cavity to be connected with the temperature sensing mechanism.
3. The air compressor temperature sensor according to claim 2, wherein: the temperature sensing mechanism comprises a temperature sensing chip, two pins of the temperature sensing chip are respectively welded with two conductors at one end of the sheath high-temperature-resistant wire, an insulating spacer is arranged between the two pins of the temperature sensing chip, the temperature sensing chip placed into the insulating spacer is arranged in a high-temperature-resistant insulating sleeve, and the high-temperature-resistant insulating sleeve is arranged in the cavity.
4. The air compressor temperature sensor according to claim 3, wherein: the part of the sheath high-temperature-resistant lead positioned at the tail part of the cavity is connected with the tail part of the cavity in a buckling and pressing way.
5. The air compressor temperature sensor according to claim 4, wherein: the back antivibration seal structure includes injection moulding's plug connector, and wiring mechanism sets up in the plug connector, and the conductor of the other end of covering the high temperature resistant wire stretches into and links to each other with wiring mechanism from the front end of plug connector, and the plug connector will cover the part cladding that the high temperature resistant wire of skin is connected with wiring mechanism, and the externally mounted of plug connector has fixed buckle.
6. The air compressor temperature sensor according to claim 5, wherein: the wiring mechanism is including setting up the terminal cassette, and the rear end and the terminal PIN needle plug of terminal cassette are connected, and terminal cassette and terminal PIN needle are by the plug connector cladding, and the conductor of the other end of the high temperature resistant wire of cover stretches into the terminal cassette and with terminal PIN needle pressfitting from the front end of plug connector, and the middle part of terminal cassette is provided with the back-off, back-off and terminal PIN needle phase-match.
7. The air compressor temperature sensor according to claim 6, wherein: the tail of the injection molding shell and the front end of the plug connector are both provided with bulges.
8. The air compressor temperature sensor according to claim 7, wherein: the temperature sensing chip is an NTC chip or a Pt chip.
9. The air compressor temperature sensor according to claim 8, wherein: the high-temperature-resistant insulating sleeve is a Teflon sleeve or a glass fiber sleeve.
10. The air compressor temperature sensor according to claim 9, wherein: the insulating spacer may be T-shaped or i-shaped or a thin sheet-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222485581.5U CN218349659U (en) | 2022-09-20 | 2022-09-20 | Air compressor machine temperature sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222485581.5U CN218349659U (en) | 2022-09-20 | 2022-09-20 | Air compressor machine temperature sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218349659U true CN218349659U (en) | 2023-01-20 |
Family
ID=84893313
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222485581.5U Active CN218349659U (en) | 2022-09-20 | 2022-09-20 | Air compressor machine temperature sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218349659U (en) |
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2022
- 2022-09-20 CN CN202222485581.5U patent/CN218349659U/en active Active
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