CN217442585U - Sensor probe assembly and sealed quick-insertion device and sensor thereof - Google Patents

Abstract

The utility model relates to a sensor manufacturing technology field discloses a sensor probe subassembly and sealed fast cartridge thereof and puts and the sensor, and an aspect of the utility model discloses a sealed fast cartridge of sensor probe is put, include: the bottom of the bracket comprises a base for mounting a sensor probe; the base comprises a limiting rib, a groove and a pin arranging hole, wherein the limiting rib is used for assisting the sensor probe to be fixed, the upper part of the limiting rib is provided with the groove matched with the sensor probe PCB, and the groove is provided with the pin arranging hole for enabling a pin to penetrate through; the upper part of the base is provided with a glue pouring groove used for pouring sealant into the pin header; when the sensor probe is installed on the support, glue is filled into the glue filling groove to carry out sealing protection on the pin header. The utility model provides a sensor probe fragile and install inconvenient problem.

Description

Sensor probe assembly and sealed quick-insertion device and sensor thereof

Technical Field

The utility model belongs to the technical field of the sensor is made, especially, relate to a sensor probe subassembly and sealed fast cartridge thereof is put and sensor.

Background

In the livestock breeding industry, the temperature, humidity and air flow of the colony house need to be monitored. The sensor comprises a sensor probe and a shell, wherein the sensor probe is arranged on the shell and comprises a sensor probe chip, a sensor probe PCB and a pin header.

When the existing sensor probe is installed on the shell, the sensor probe is generally directly inserted on the shell, namely, the pin header is inserted on the shell. This kind of mounting means makes the row needle do not do any protection, receives external environment's corruption easily, if after the sensor probe received to spray, influences row needle performance and then makes the sensor reading deviation great, leads to the environment condition in the unable accurate feedback colony house, and product life is shorter simultaneously, has influenced control effect of humiture etc. in the colony house to lead to the sensor to damage. In addition, because the sensor probe is thin in size and strict in installation posture requirement, when the sensor probe is directly installed on the shell, the sensor probe needs to be inserted along a set direction during installation, and if the installation space is small or the force application deviates from the set direction, the installation and the force application are inconvenient, and damage is easily caused during installation.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above shortcoming of the prior art, the utility model provides a sealed fast cartridge of sensor probe subassembly is put, has solved sensor probe fragile and has installed inconvenient problem. And simultaneously, the utility model also provides an use above-mentioned sealed fast cartridge to put sensor probe subassembly and sensor.

In order to achieve the above object, one aspect of the present invention discloses a sealed fast-inserting device of a sensor probe assembly, including: the bracket is used for being inserted forwards on the shell of the corresponding sensor, and is provided with a mounting cavity for placing a sensor probe; and the base, it set up in the front end of support, the rear side towards the installation cavity of base is equipped with the encapsulating groove, is equipped with probe fixed knot in this encapsulating groove to be used for the fixed mounting in advance the round pin seat of sensor probe, the tank bottom of encapsulating groove is equipped with the round pin hole of arranging that link up along the fore-and-aft direction, for supply row's needle output on the sensor probe the support, the encapsulating groove be used for pouring sealed glue with will sensor probe is sealed to be fixed on the support. .

According to the utility model provides a pair of sensor probe subassembly's sealed fast cartridge is put places sensor probe in the support to make the row needle sealed pass the anterior row's pinhole of support in order wearing out the support, fill sealed glue in the encapsulating groove of support front portion and then can fix sensor probe in the support. When the pin header glue filling groove pin header is used, the sensor probe is firstly installed on the support, and then the pin header is installed on a corresponding shell of the sensor by an operator holding the support. Because operating personnel holds the support and installs sensor probe on the casing of sensor, so compare the direct mode of taking sensor probe installation of prior art, it is more convenient, and not fragile sensor probe. Meanwhile, the sensor probe is fixed by the sealant, and the pin header of the sensor probe can be sealed at the same time, so that the problem that the pin header is easily corroded by the surrounding environment and damaged in the prior art is solved.

In addition, according to the utility model provides a technical scheme can also have following technical characterstic:

in any one of the above technical solutions, a circular groove is formed in the outer peripheral surface of the base, and the circular groove is used for assembling a sealing ring to form a sealing fit with a corresponding air-permeable protective cover sleeved outside the support.

In this technical scheme, through install the sealing washer additional on the circular slot of base, after the support inserts the casing, promoted the leakproofness between support and the casing greatly, the protection level can reach IP 67.

In any of the above technical solutions, the base is further provided with positioning columns which are arranged to protrude forwards and used for being inserted into positioning holes in the housing.

In this technical scheme, through the design of reference column on the base, at first will guide the installation of sensor probe chip, guarantee that sensor probe chip direction is unanimous with the reference column direction. Then, because the sensor probe can be divided into a temperature sensor probe, a temperature and humidity sensor probe or a gas sensor probe, the pin arrangement structures of the three sensor probes are different, and the holes for the pin arrangement to pass through on the corresponding shell are also different, the problem that the sensor probe is not matched with the shell easily occurs when the sensor probe and the shell are installed. In order to solve the problem, a positioning column is arranged on a base of the sensor probe and is matched with a positioning hole of the shell, and as long as the positioning column can penetrate through the positioning hole, the pin header can be ensured to penetrate through a hole, which is formed in the shell and is used for the pin header to penetrate through, so that the correct position of each sensor probe can be ensured to be installed through the design of the positioning column.

In any of the above technical solutions, the positioning column protrudes by a set length, so that the positioning column protrudes forward relative to the pin header of the sensor probe extending out of the support to arrange the pin header.

In the technical scheme, the length of the positioning column is greater than the length of the pin header exposed out of the base, so that the pin header can be effectively prevented from deforming, for example, when a sensor probe is selected wrongly, the positioning column is firstly contacted with the shell when being installed, if the sensor probe is not inserted, problems can be found in time, and the pin header is prevented from deforming under stress; on the contrary, if the pin header contacts with the shell first, the pin header is easy to deform under stress once the sensor probe is selected by mistake.

In any of the above technical schemes, the support is in a cylindrical shape, and the cylindrical wall of the support is provided with a glue filling port.

In this technical scheme, through encapsulating mouth structure, be convenient for carry out the encapsulating to the encapsulating inslot of base on the one hand, on the other hand is for environmental information such as temperature, humidity and the gas velocity of flow around, in being convenient for get into the support to with the contact of sensor probe, improve the sensitivity that the sensor probe detected.

In any of the above technical solutions, the pin arranging holes are of a tapered structure with a large rear end orifice and a small front end orifice.

In this technical scheme, through arranging the design of pinhole for the little toper structure of the big export of import, that is to say that row needle is big at the entrance point and the exit end is little, has just realized row needle when exposing row needle hole, realizes row needle and row needle hole tight fit, prevents that external environment's water droplet or humid air from leading to the fact the damage of row needle through row needle hole contact row needle.

In any of the above technical solutions, the sensor probe detection device further comprises a ventilation protection cover which is used for being sleeved outside the support in a sealing mode and is fixedly connected with the shell of the sensor, wherein ventilation holes are formed in the ventilation protection cover and are used for enabling external gas to enter the support so as to enable the sensor probe to detect the ventilation protection cover.

In this technical scheme, after the support inserts the casing, screw up the protection cover that corresponds to ventilate and can push up the support and move to the base direction, that is to say just can make sensor probe and base in close contact with through screwing up the protection cover that ventilates, seal the protection through the mode of radial hard to sensor probe promptly.

In any one of the above technical solutions, the probe fixing structure includes a groove provided at a bottom of the glue pouring groove, the groove is used for matching with the pin header, at least two limiting ribs are arranged around the groove at the bottom of the glue pouring groove, each limiting rib protrudes backwards, and the inner end of each limiting rib faces towards the groove and is used for matching with the pin header in a blocking manner.

The pins of the sensor probe chip are treated by protective paint.

In the technical scheme, the pins of the sensor probe chip are isolated from the external environment after being treated by the protective paint, so that the pins of the sensor probe chip are effectively prevented from being corroded by the contact of the external environment.

The utility model also provides a sensor probe subassembly, include: a sealed quick-inserting device of any sensor assembly is adopted; the front part of the sensor probe is provided with a pin header, and the pin header is provided with a pin header extending forwards; the sensor probe is installed in the sealed quick-inserting device in the support, the needle arranging base and the front end of the support are fixedly assembled in advance by the probe fixing structure of the base, the needle arranging needle penetrates through the needle arranging hole in the base in a forward sealing mode, and the base is provided with a sealant in the sealant pouring groove for fixing the sensor probe in the support

Another aspect of the present invention discloses a sensor, comprising a housing, on which is mounted a sensor probe assembly as described above.

As a further improvement, the sensor probe comprises at least one of a temperature sensor probe or a temperature and humidity sensor probe or a gas sensor probe.

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 description below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a sensor probe sealing quick-insertion device according to an embodiment of the present invention;

FIG. 2 is a schematic bottom view of FIG. 1;

FIG. 3 is a schematic structural diagram of a sealed quick-insertion device of a temperature sensor probe;

FIG. 4 is a schematic structural diagram of a sealed quick-insertion device of a temperature and humidity sensor probe;

FIG. 5 is a schematic structural diagram of a sealing quick-insertion device of a gas sensor probe;

fig. 6 is a schematic structural diagram of a sensor according to an embodiment of the present invention.

The reference numbers are as follows:

1. sealing the quick-inserting device; 2. a vented protective cover; 3. a housing; 4. a support; 5. a base; 6. limiting ribs; 7. a groove; 8. arranging pin holes; 9. arranging needles; 10. a chip; 11. a circular groove; 12. a seal ring; 13. a positioning column; 14. pouring a glue opening; 15. a temperature sensor probe; 16. a temperature and humidity sensor probe; 17. a gas sensor probe; 18. and (5) a glue pouring groove.

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 creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, one aspect of the present invention discloses a sealed quick-inserting device of a sensor probe assembly, which comprises a bracket 4, wherein the bracket 4 is in a cylindrical shape, the cylindrical bracket is provided with a mounting cavity, the mounting bracket is used for placing a sensor probe, the whole bracket extends along the front-back direction, a base 5 for mounting the sensor probe is arranged at the front end of the bracket 4, a glue pouring groove 18 is arranged at the rear side of the base 5 facing the mounting cavity, a limiting rib 6 for assisting the fixing of the sensor probe, a groove 7 and a pin arranging hole 8 are arranged at the bottom of the glue pouring groove 18, the groove 7 is arranged at the bottom of the glue pouring groove for matching with a pin arranging seat of the plugging sensor probe, as the thickness of the pin arranging seat is larger, the depth of the groove is smaller, for effectively improving the pre-fixing stability, four limiting ribs are arranged around the groove at the bottom of the glue pouring groove, and are arranged in a protruding manner backwards, the inner end of each limiting rib facing the groove is used for being matched with the pin arranging base in a blocking way. In other embodiments, more than two limiting ribs are provided. The limiting ribs not only play a role in stopping, but also play a role in enhancing the strength of the support. The groove bottom of the groove 7 is provided with a pin header hole 8 for the pin header 9 to pass through in a sealing way.

As for the base, the groove arranged on the glue pouring groove 18 and the limiting rib are matched to form a probe fixing structure for pre-fixing and assembling the pin header of the sensor probe. Therefore, the sensor probe can be conveniently pre-fixed and assembled in the bracket, and the sealant is conveniently poured into the sealant pouring groove to fix the sensor probe on the bracket in a sealing manner. The sealant is used for fixing the sensor probe and also can effectively seal the pin header so as to prevent the outside air from corroding the pin header in the bracket and prolong the service life of the pin header.

It should be noted that the sensor probe includes a circuit board, the circuit board extends along the front-back direction, a pin header is arranged at the front end of the circuit board, a chip is arranged at the rear end of the circuit board, and a pin header extending along the front-back direction is arranged on the pin header. During the use, the pin header is arranged in the corresponding connector butt joint in the casing with the sensor, when the chip detects external signal that awaits measuring, handles through processing circuit on the circuit board to make and correspond detection information and transmit to sensor internal circuit by the pin header, realize signal detection. According to the difference of chip and circuit board on the sensor probe, as shown in fig. 3, fig. 4 and fig. 5, the sensor probe can be temperature sensor probe 15, temperature and humidity sensor probe 16 and gas sensor probe 17.

The concrete structure is that, support 4 is the tube-shape, and the design has a plurality of encapsulating mouths 14 on the section of thick bamboo wall of support, can follow this place and squeeze into the protection sealed glue in the encapsulating groove of the base of support 4. Moreover, the weight of the bracket can be reduced by arranging the glue filling port on the bracket. The design of base 5 has spacing recess 7, 4 spacing muscle 6 and row needle hole 8, and wherein recess 7 is used for the installation of the probe seat of sensor probe, and spacing muscle 6 is used for the probe seat to assist fixedly, arranges needle hole 8 and is used for arranging needle 9 to seal and pass. Preferably, the pin arranging holes 8 are of a conical structure with a large inlet and a small outlet, the inlet is a rear end orifice of the pin arranging hole, the outlet is a front end orifice of the pin arranging hole, the pin arranging holes 9 and the pin arranging holes 8 are tightly matched, and water drops or humid air of the external environment are prevented from contacting the pin arranging holes 9 through the pin arranging holes 8 to cause damage to the pin arranging holes 9.

During the use, install sensor probe on support 4 earlier, then carry out the encapsulating to row needle 9 and seal, then operating personnel holds support 4 and installs on casing 3 with the sensor probe after the sealed protection. Because the operating personnel holds support 4 and installs the sensor probe on casing 3, so compare the direct mode of taking the sensor probe installation of prior art, it is more convenient, and not fragile sensor probe. Meanwhile, the row needles 9 are sealed, so that the problem that the row needles are easily corroded by the surrounding environment and damaged in the prior art is solved.

In connection with the above embodiment, it is more preferable that a circular groove 11 is formed on the outer circumferential surface of the base 5, and a sealing ring 12 is disposed in the circular groove 11, as shown in fig. 6, after the bracket is mounted on the housing 3 of the sensor, the gas-permeable protecting cover 2 can be sleeved outside the bracket, and the inner wall of the gas-permeable protecting cover 2 is in sealing fit with the sealing ring 12, so as to achieve the sealing fit with the bracket. And the air-permeable protective cover is provided with an air hole which is used for leading external air to enter the bracket for the detection of the sensor probe. Be equipped with the external screw thread on air-permeable protective cover 2 to the internal thread hole screw fit that is preset on convenient and the casing, and then realize air-permeable protective cover's fixed assembly.

In this embodiment, the sealing ring 12 may be a silicone sealing ring, and after the bracket 4 is inserted into the housing 3, the sealing performance between the bracket 4 and the housing 3 is greatly improved, and the protection level can reach IP 67. The sealing ring can be directly pre-installed on the support, and can also be directly additionally assembled on site by a user.

In connection with the above embodiment, it is more preferable that the base 5 further has positioning posts 13 for matching with the positioning holes on the housing 3, and the positioning posts 13 are arranged to protrude forward to match with the corresponding positioning holes on the housing. Through the design of positioning column 13 on base 5, firstly, the installation of chip 10 of sensor probe is guided, and the direction of chip 10 of sensor probe is identical to the direction of positioning column 13. Then, the sensor probe can be divided into a temperature sensor probe 15, a temperature and humidity sensor probe 16 or a gas sensor probe 17, the three sensors are relatively similar in appearance, but the pin arrangement structure is different, the pin arrangement pins of the temperature sensor probe 15 are 8 pin arrangement pins of the 6 temperature and humidity sensor probes 16, and the pin arrangement pins of the gas sensor probe 17 are 8, so that the problem that the sensor probe is not matched with the housing 3 easily occurs when the sensor probe and the housing 3 are installed. In order to solve the problem, a positioning column 13 is arranged on the base 5 of the sensor probe, and the positioning column 13 is matched with a positioning hole of the shell 3, so that each sensor probe can be installed at a correct position through the design of the positioning column 13.

Specifically, reference column 13's quantity can be for 1, also can be for 2, the utility model discloses choose for use 2, to temperature sensor probe 15 and temperature and humidity sensor probe 16, 2 reference columns 13 and sensor probe's chip 10 for arranging needle 9 homonymy overall arrangement, to gas sensor probe 17, 2 reference columns 13 distribute in the both sides of arranging needle 9.

In connection with the above embodiment, it is more preferable that the positioning column 13 protrudes with a set length, so that the positioning column protrudes forward relative to the pin header of the sensor probe protruding bracket, that is, the length of the positioning column is greater than the length of the pin header 9 exposed out of the base 5. Therefore, when the support 4 is installed with the shell 3, the positioning column 13 firstly contacts the shell 3, and the problem that the pin header 9 is damaged due to the fact that the pin header 9 does not correspond to the position on the shell 3 is solved.

As another embodiment, the positioning post may be omitted, and care should be taken to prevent mis-insertion assembly.

In the above embodiment, it is preferable that the ventilation protecting cover 2 is matched with the bracket 4 and used for tightly supporting the bracket. Wherein the ventilation protecting cover 2 is used for being in threaded connection with the shell 3, and the bracket and the shell can be fixedly assembled by screwing the ventilation protecting cover 2, namely the bracket and the shell can be fixedly assembled by screwing the ventilation protecting cover.

In connection with the above embodiment, it is more preferable that, in order to improve the protection of the pins of the chip 10 of the sensor probe, the pins are treated with a protective paint, and the protective paint may be a three-proofing paint.

Another aspect of the utility model discloses a sensor probe subassembly, it is as shown in fig. 6, including sealed fast cartridge put and sensor probe, sealed fast cartridge puts the corresponding structure that can adopt above-mentioned embodiment, no longer gives unnecessary details here. The sensor probe comprises a circuit board, the circuit board extends in the front-back direction, a pin header is arranged at the front end of the circuit board, a chip is arranged at the rear end of the circuit board, and a pin header extending in the front-back direction is arranged on the pin header. When the device is used, the pin header is used for being in butt joint with a corresponding connector in a shell of the sensor, when the chip detects an external signal to be detected, the external signal is processed by a processing circuit on the circuit board, corresponding detection information is transmitted to an internal circuit of the sensor through the pin header, and signal detection is achieved.

During assembly, the sensor probe is installed in a sealed fast-inserting device support, the needle arranging base and a probe fixing structure of a base at the front end of the support are assembled in a pre-fixing mode, the needle arranging base penetrates through a needle arranging hole in the base in a forward sealing mode, and sealant used for fixing the sensor probe in the support is arranged in a glue pouring groove of the base.

Another aspect of the present invention discloses a sensor, as shown in fig. 6, comprising the above-mentioned sensor probe assembly and a housing 3, wherein the sealed quick-insertion device 1 of the sensor probe assembly is installed on the housing 3. The sealed quick-insertion device 1 can be used for installing a temperature sensor probe 15, a temperature and humidity sensor probe 16 or a gas sensor probe 17. During the use, through the threaded connection of ventilation protective cover 2 with casing 3, can effectively fix sensor probe subassembly in the casing to with the fixed assembly of sensor probe on the sensor.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. A sealed quick-insertion device for a sensor probe assembly, comprising:

the bracket is used for being inserted forwards on the shell of the corresponding sensor, and is provided with a mounting cavity for placing a sensor probe; and

the base, it set up in the front end of support, the rear side towards the installation cavity of base is equipped with the encapsulating groove, is equipped with probe fixed knot in this encapsulating groove to be used for fixed assembly in advance the round pin seat of sensor probe, the tank bottom in encapsulating groove is equipped with the row's pinhole that link up along the fore-and-aft direction, for supply row's needle on the sensor probe stretches out the support, the encapsulating groove be used for pouring sealed glue with sensor probe is sealed to be fixed on the support.

2. The device of claim 1, wherein the base has a circular groove formed on an outer peripheral surface thereof, the circular groove being configured to receive a sealing ring to form a sealing engagement with a corresponding gas-permeable cover fitted over the bracket.

3. The sealed quick-insertion device of a sensor probe assembly as claimed in claim 1, wherein the base is further provided with positioning posts projecting forward for mating with the positioning holes of the housing.

4. The sealed quick-insertion device of a sensor probe assembly according to claim 3, wherein the positioning post protrudes a set length such that the positioning post protrudes forward relative to the pin header of the sensor probe protruding out of the bracket.

5. The sealing quick-inserting device for the sensor probe assembly as claimed in claim 1, wherein the support is cylindrical, and a glue filling port is formed in the wall of the support.

6. The sealed quick-insertion device of the sensor probe assembly as claimed in claim 1, wherein the pin array holes are in a conical structure with a large rear end hole and a small front end hole.

7. The sealed quick-insertion device of claim 2, further comprising a gas permeable cover for sealing and covering the bracket and for fixedly connecting to the housing of the sensor, wherein the gas permeable cover is provided with a gas vent for allowing external gas to enter the bracket for detection by the sensor probe.

8. The sealed quick-insertion device of the sensor probe assembly according to any one of claims 1 to 7, wherein the probe fixing structure comprises a groove formed in the bottom of the potting groove and used for matching with the row-needle seat in an inserted manner, at least two limiting ribs are arranged around the groove in the bottom of the potting groove, each limiting rib protrudes backwards, and the inner end of each limiting rib, facing the groove, is used for being matched with the row-needle seat in a blocking manner.

9. A sensor probe assembly, comprising:

the sensor seal quick-insertion device of any one of claims 1-8; and

the front part of the sensor probe is provided with a pin header, and the pin header is provided with a pin header extending forwards;

the sensor probe is installed sealed quick cartridge is put in the support, arrange the needle file with the support front end the base the probe fixed knot construct the pre-fixing assembly, just it passes to arrange the needle forward seal on the base arrange the pinhole, the base be equipped with in the encapsulating groove be used for with the sensor probe is fixed sealed glue in the support.

10. A sensor comprising a housing on which the sensor probe assembly of claim 9 is mounted.

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