CN210089870U - Sealing protection device of temperature sensor - Google Patents
Sealing protection device of temperature sensor Download PDFInfo
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- CN210089870U CN210089870U CN201921204708.3U CN201921204708U CN210089870U CN 210089870 U CN210089870 U CN 210089870U CN 201921204708 U CN201921204708 U CN 201921204708U CN 210089870 U CN210089870 U CN 210089870U
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- temperature sensor
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Abstract
The utility model provides a sealing protection device of a temperature sensor, which comprises a rear cover and a shell, wherein the rear cover is connected with the shell; the casing is inside fixed to be equipped with recess II, is equipped with temperature sensor in the recess II, and temperature sensor goes up the fixed temperature sensor terminal that is equipped with, and the temperature sensor terminal is connected with the terminal, and the terminal is connected with the wire, wire and recess I phase-match, and recess I is fixed to be set up on the casing, and recess I is linked together with recess II, and recess I's external fixation is equipped with and hangs the groove, hangs the groove and can dismantle the link with hanging the platform, hangs the fixed setting of platform and cover after. The utility model discloses a carrier of shell conduct temperature sensor and wire to adopt the resin glue film to fill and seal the shell, the effectual space of filling in the shell, not only the effectual steam invasion of having avoided has still increased the heat conductivity, increases temperature sensor's life and performance.
Description
Technical Field
The utility model relates to an automotive wiring restraints technical field, especially indicates a temperature sensor's sealed protection device.
Background
The temperature sensor is a part capable of sensing temperature and controlling on-off of a wire harness, is applied to the wire harness of a heating wire on an automobile in an extremely cold region in North America, and heats an oil shell of an automobile engine by using household 120V alternating current so that the automobile can be normally started at a low temperature.
The temperature sensor is a low-temperature switch which is used as a component of the wiring harness, when the temperature is reduced to-18 ℃ or below, the temperature sensor is closed, and the wiring harness is in a passage state; when the temperature rises to-10 ℃ or above, the temperature sensor is opened, and the state of the wire harness is an open circuit. Since the temperature sensor is in the engine compartment of the vehicle and is susceptible to water vapor intrusion and thus failure, a sealing measure is required.
SUMMERY OF THE UTILITY MODEL
To this temperature sensor easily receive steam invasion and lose switch function's technical problem, the utility model provides a temperature sensor's sealed protection device adopts plastic casing as the carrier of temperature sensor and wire to adopt the resin glue film to fill and seal plastic casing, not only can increase the heat conductivity and also can effectually avoid steam to invade, increase temperature sensor's life and performance.
The technical scheme of the utility model is realized like this:
a sealing protection device of a temperature sensor comprises a rear cover and a shell, wherein the rear cover is connected with the shell; the inside recess II that is equipped with of shell, be equipped with temperature sensor in the recess II, the last fixed temperature sensor terminal that is equipped with of temperature sensor, the temperature sensor terminal is connected with the terminal, and the terminal is connected with the wire, wire and recess I phase-match, and recess I is fixed to be set up on the shell, and recess I is linked together with recess II, and recess I's external fixation is equipped with and hangs the groove, hangs the groove and can dismantle with hanging the platform and be connected, hangs that the platform is fixed to be set up and cover after.
And a hanging table groove is formed in the outer part of the shell and is connected with the wire harness support.
Recess I is equipped with two, and recess I is about recess II symmetry, and recess I's both sides all are equipped with hangs the groove, hang the groove and hang a platform one-to-one phase-match, and back lid lower part is equipped with recess I assorted limiting plate, hangs the platform and fixes the both sides at the limiting plate of back lid.
The temperature sensor terminal is equipped with two, and temperature sensor terminal and terminal one-to-one phase-match.
The shape of recess II is one end open-ended cylindrical, and the size of recess II is greater than temperature sensor's size.
The material of shell is plastics, is equipped with the resin glue film between shell and the temperature sensor, is equipped with the resin glue film between shell and the wire.
Be equipped with on the recess II inner wall and prevent moving back muscle I, prevent moving back muscle II and spacing groove, prevent moving back muscle I and be connected with temperature sensor, prevent moving back muscle II and be connected with the resin glue film, the spacing groove is connected with temperature sensor terminal and terminal respectively.
Prevent moving back muscle I and be equipped with the round, prevent moving back muscle I's size and be less than temperature sensor's maximum dimension, prevent moving back muscle I and temperature sensor fixed connection, prevent moving back muscle II and be equipped with the round, prevent moving back muscle II and resin glue layer fixed connection, the spacing groove is equipped with four, spacing groove respectively with temperature sensor terminal and terminal looks joint.
The resin glue layer is made of epoxy resin, phenolic resin, silica gel resin or mixed resin.
The lead is a single-core round wire, a multi-core round wire, a single-core flat wire, a multi-core flat wire or an irregular lead.
The beneficial effect that this technical scheme can produce: the utility model discloses a back lid and shell looks joint fix temperature sensor and wire in plastic casing, make its and the fine isolation of outside, simultaneously, adopt the resin glue film to fill the space in the plastic casing and carry out the heat seal, not only effectually filled the space in the plastic casing, can also avoid steam invasion, increased the heat conductivity.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a perspective exploded view of the present invention.
Fig. 2 is a schematic structural diagram of the present invention.
In the figure, 1-a rear cover, 2-a shell, 21-a groove I, 22-a hanging groove, 23-a groove II, 24-a hanging table groove, 25-an anti-receding rib I, 26-an anti-receding rib II, 27-a limiting groove, 3-a lead, 4-a terminal, 5-a temperature sensor and 51-a temperature sensor terminal.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without any creative effort belong to the protection scope of the present invention.
As shown in fig. 1, a sealing protection device for a temperature sensor comprises a rear cover 1 and a housing 2, wherein the rear cover 1 is connected with the housing 2, so that the temperature sensor and a lead are better isolated from the outside, and the temperature sensor can be protected from the invasion of water vapor; a groove II 23 is fixedly formed in the shell 2, the groove II 23 is fixed in the middle of the shell 2, a temperature sensor 5 is arranged in the groove II 23, the groove II 23 is cylindrical, one end of the groove II 23 is open, the size of the groove II 23 is larger than that of the temperature sensor 5, and the temperature sensor 5 can be conveniently and completely clamped in the groove II 23 to be isolated from the outside; the temperature sensor 5 is fixedly provided with two temperature sensor terminals 51, the two temperature sensor terminals 51 are respectively arranged at two sides of the temperature sensor 5, the temperature sensor terminals 51 are correspondingly matched and connected with the terminals 4 one by one, the connection mode of the temperature sensor terminals 51 and the terminals 4 is splicing, the connection is firmer, the operation is convenient, the temperature sensor terminals 51 are provided with clamping sheets, the terminals 4 are clamped in the clamping sheets, the connection reliability is ensured, the terminals 4 are connected with the lead 3, the lead 3 is matched with the groove I21, the groove I21 is fixedly arranged on the shell 2, the two grooves I21 are arranged, the grooves I21 are symmetrical about the groove II 23, the groove I21 is communicated with the groove II 23, the two sides of the groove I21 are both fixedly provided with hanging grooves 22, the hanging grooves 22 are detachably connected with the hanging table 11, the hanging table 11 is fixedly arranged on the rear cover 1, the rear cover 1 and the shell 2 are clamped into the hanging groove 22 through the hanging table 11 to be fixedly connected, so that the temperature sensor 5 and the lead 3 are sealed in the protection device, the invasion of external water vapor is isolated, and the service performance of the temperature sensor 5 is improved.
As shown in fig. 1, be equipped with on the recess II 23 inner wall and prevent moving back muscle I25, prevent moving back muscle II 26 and spacing groove 27, prevent moving back muscle I25 and be equipped with the round, prevent moving back the size that muscle I25 is less than temperature sensor 5's maximum dimension, prevent moving back muscle I25 and temperature sensor 5 fixed connection, the connected mode is interference and closes connection, welding, also can draw forth the wire with temperature sensor 5, support the different terminals of crimping and supply to connect the use, perhaps temperature sensor draws forth the copper sheet, support high frequency welding, resistance welding connection etc. prevent that temperature sensor 5 from deviating from by oneself after assembling. Prevent moving back muscle II 26 and be equipped with two, prevent moving back the quantity of muscle II 26 and can increase and decrease according to actual conditions, prevent moving back muscle II 26 and resin glue film fixed connection, increase resin glue film and shell 2's area of contact increases and is deviate from frictional force. The number of the limiting grooves 27 is four, the limiting grooves 27 are respectively clamped with the temperature sensor terminal 51 and the terminal 4, and the temperature sensor terminal 51 and the terminal 4 are prevented from being automatically separated from the housing 2 due to external force after being insufficiently inserted.
As shown in fig. 2, the outer portion of the housing 2 is provided with a hanging platform groove 24, and the hanging platform groove 24 is connected with the wire harness support, so that the utility model is stably connected with other components on the automobile. The material of shell 2 is plastics, can reduce as far as the utility model discloses, reduce weight, be equipped with the resin glue film between shell 2 and the temperature sensor 5, be equipped with the resin glue film between shell 2 and the terminal 4, be equipped with the resin glue film between shell 2 and the wire 3, utilize the inside that the resin glue film filled shell 2, seal temperature sensor 5, terminal 4 and wire 3, can fill the space effectively for the speed of heat conduction the utility model discloses a heat conduction rate can also prevent that outside steam from invading and destroying temperature sensor 5, terminal 4 and wire 3, increases temperature sensor 5's life and performance. And a resin glue layer is arranged between the shell 2 and the rear cover 1, namely the position of the resin glue layer can reach the upper end of the submerged groove I21, and the position of the resin glue layer can only submerge the temperature sensor 5. The wire 3 is single core circle line, multicore circle line, single core flat line, multicore flat line or irregularly shaped wire, because the shape of wire 3 is different, adopts current sealing washer can not satisfy the sealed of the manifold wire 3 of shape, easily causes sealed incomplete, causes gas leakage, steam invasion scheduling problem. The material of resin glue film is epoxy, phenolic resin, silica gel resin or mixed resin, and epoxy, phenolic resin, silica gel resin and mixed resin are all casting glue, utilize resin glue film to fill shell 1 and back lid 1, have not only carried out sealed protection to temperature sensor 5, have fixed guard action to terminal 4 and wire 3 moreover, increase sealed area, increase the stroke that aqueous vapor got into.
Sealing process: the utility model discloses a wire 3 be American standard HPN wire and SJOOW wire, the material of resin glue film is epoxy, temperature sensor 5's model is 3004N, be connected temperature sensor terminal 51 and terminal 4, assemble in recess II 23, then pack into recess I21 with wire 3 again, at this moment, pour into recess I21 and recess II 23 with epoxy, the heating makes epoxy solidify together with temperature sensor 5 respectively, terminal 4 and wire 3, then cover 1 card after with and go into on shell 2, accomplish temperature sensor's sealed, at last with the protection device after the sealed assemble on appointed wire harness support.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The sealing protection device of the temperature sensor is characterized by comprising a rear cover (1) and a shell (2), wherein the rear cover (1) is connected with the shell (2); the utility model discloses a temperature sensor, including shell (2), be equipped with inside recess II (23) of shell (2), be equipped with temperature sensor (5) in recess II (23), fixed temperature sensor terminal (51) of being equipped with on temperature sensor (5), temperature sensor terminal (51) are connected with terminal (4), terminal (4) are connected with wire (3), wire (3) and recess I (21) phase-match, recess I (21) are fixed to be set up on shell (2), recess I (21) are linked together with recess II (23), the external fixation of recess I (21) is equipped with hanging groove (22), hanging groove (22) can be dismantled with hanging platform (11) and be connected, it sets up on back lid (1) to hang platform (11) fixed.
2. The seal protection device for the temperature sensor according to claim 1, characterized in that a hanging platform groove (24) is formed on the outer portion of the housing (2), and the hanging platform groove (24) is connected with a wiring harness support.
3. The sealing protection device of the temperature sensor according to claim 1 or 2, wherein two grooves I (21) are provided, the grooves I (21) are symmetrical about the groove II (23), hanging grooves (22) are provided on two sides of the grooves I (21), the hanging grooves (22) are correspondingly matched with the hanging platforms (11) one by one, a limiting plate matched with the groove I (21) is provided on the lower portion of the rear cover (1), and the hanging platforms (11) are fixed on two sides of the limiting plate of the rear cover (1).
4. The seal protection device for the temperature sensor according to claim 1, wherein the temperature sensor terminals (51) are provided in two, and the temperature sensor terminals (51) and the terminals (4) are matched in a one-to-one correspondence manner.
5. The seal protector for the temperature sensor according to claim 1, characterized in that the groove II (23) is in the shape of a cylinder with an open end, and the size of the groove II (23) is larger than that of the temperature sensor (5).
6. The sealing protection device for the temperature sensor according to claim 3, wherein the housing (2) is made of plastic, a resin adhesive layer is arranged between the housing (2) and the temperature sensor (5), and a resin adhesive layer is arranged between the housing (2) and the lead (3).
7. The sealing protection device of the temperature sensor according to claim 6, wherein an anti-receding rib I (25), an anti-receding rib II (26) and a limiting groove (27) are arranged on the inner wall of the groove II (23), the anti-receding rib I (25) is fixedly connected with the temperature sensor (5), the anti-receding rib II (26) is connected with the resin adhesive layer, and the limiting groove (27) is respectively connected with the temperature sensor terminal (51) and the terminal (4).
8. The sealing protection device for the temperature sensor according to claim 7, wherein the anti-retreat rib I (25) is provided with a circle, the size of the anti-retreat rib I (25) is smaller than the maximum size of the temperature sensor (5), the anti-retreat rib I (25) is in interference fit connection with the temperature sensor (5), the anti-retreat rib II (26) is provided with a circle, the anti-retreat rib II (26) is fixedly connected with the resin glue layer, the limiting grooves (27) are provided with four, and the limiting grooves (27) are respectively clamped with the temperature sensor terminal (51) and the terminal (4).
9. The device as claimed in claim 6, wherein the resin layer is made of epoxy resin, phenolic resin, silicone resin or mixed resin.
10. The seal protector for a temperature sensor according to claim 1, characterized in that the wire (3) is a single core round wire, a multiple core round wire, a single core flat wire or a multiple core flat wire.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201921204708.3U CN210089870U (en) | 2019-07-29 | 2019-07-29 | Sealing protection device of temperature sensor |
Applications Claiming Priority (1)
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CN201921204708.3U CN210089870U (en) | 2019-07-29 | 2019-07-29 | Sealing protection device of temperature sensor |
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CN210089870U true CN210089870U (en) | 2020-02-18 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110296762A (en) * | 2019-07-29 | 2019-10-01 | 鹤壁天海环球电器有限公司 | A kind of seal protecting device of temperature sensor |
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2019
- 2019-07-29 CN CN201921204708.3U patent/CN210089870U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110296762A (en) * | 2019-07-29 | 2019-10-01 | 鹤壁天海环球电器有限公司 | A kind of seal protecting device of temperature sensor |
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