CN220708565U - Novel temperature rise test device - Google Patents

Abstract

The utility model discloses a novel temperature rise testing device which comprises supporting legs, wherein lower honeycomb plates are arranged on the supporting legs, upright posts are arranged on the lower honeycomb plates, upper honeycomb plates are inserted onto the upright posts in a plugging mode, the upright posts are connected with a prototype fixing device, the prototype fixing device is located between the lower honeycomb plates and the upper honeycomb plates, threads are arranged in honeycombs on the lower honeycomb plates and the upper honeycomb plates, and the honeycombs are connected with thermocouple probe devices through the threads. According to the novel temperature rise testing device, the honeycomb can be connected through the design of the upper honeycomb plate, the lower honeycomb plate, the prototype fixing device and the thermocouple probe device, so that a thermocouple is not required to be stuck during temperature rise testing, and the testing result accuracy is higher; in the debugging process, when the system version needs to be updated or the prototype needs to be replaced, the hot spot position can be directly replaced without repeated repositioning workload.

Description

Novel temperature rise test device

Technical Field

The utility model relates to the technical field of thermal design development, in particular to a novel temperature rise testing device.

Background

In the field of thermal design development of mobile phones and flat products, temperature rise test of the products is an important component of thermal design engineers at present, most of temperature rise test methods adopt thermocouple temperature measurement according to thermal design development guidance of different customers, namely, thermocouples are stuck at the highest temperature point of the surfaces of the products according to temperature rise performance of the products in different scenes, so that temperature rise performance under different debugging parameters is continuously recorded in the subsequent debugging process.

In the existing temperature rise test scheme adopting a thermocouple, a thermocouple temperature measuring probe is stuck to the highest temperature position on the surface of a mobile phone or a flat product by adopting a hot adhesive tape. However, sticking the hot adhesive tape at the highest temperature on the surface of the product can cause heat generated by the product to be accumulated through the hot adhesive tape, and the actual temperature rise result is affected to a certain extent. Moreover, for the same scene, the situation that the version is required to be updated or the prototype is required to be replaced, the hot spot position is unchanged, but the adhered thermocouple probe is required to be dismantled and re-adhered, repositioning is required, and the workload is repeated.

In view of the defect that a thermocouple temperature measuring probe adopts a hot adhesive tape pasting mode in the prior art, it is necessary to provide a novel temperature rise testing device to overcome the defects in the prior art.

Disclosure of Invention

The utility model aims to provide a novel temperature rise testing device which does not need to be stuck with a hot adhesive tape, has accurate testing result, and does not need to repeat the work of dismantling and repositioning a thermocouple probe when the hot spot position is unchanged.

In order to achieve the above purpose, the utility model provides a novel temperature rise testing device, which comprises supporting legs, wherein lower honeycomb plates are arranged on the supporting legs, upright posts are arranged on the lower honeycomb plates, upper honeycomb plates are inserted on the upright posts, the upright posts are connected with a prototype fixing device, the prototype fixing device is positioned between the lower honeycomb plates and the upper honeycomb plates, threads are arranged in honeycombs on the lower honeycomb plates and the upper honeycomb plates, and the threads of the honeycombs are connected with thermocouple probe devices.

In a preferred embodiment, the upper honeycomb panel is provided with upper honeycomb panel struts which are plugged onto the columns.

Further, the upper end of the upright post is provided with a blind hole, and the lower end of the upper honeycomb plate support post is inserted into the blind hole.

In a preferred embodiment, the prototype fixture comprises a plurality of sample stoppers, the horizontal distance between different sample stoppers being adjustable.

Further, the number of the sample limiting parts is four, and the sample limiting parts correspond to four corners of the bottom surface of the sample one by one.

Still further, sample fixing device still includes rectangle slide bar support, two first polished rods and two second polished rods, the stand is four, four angles one-to-one of rectangle slide bar support connect four the stand, first polished rod with the second polished rod mutually perpendicular just all is on a parallel with the horizontal plane, every sample locating part sliding connection one first polished rod with one the second polished rod, first polished rod fixed connection first slider, second polished rod fixed connection second slider, first slider with the equal sliding connection of second slider rectangle slide bar support.

In a preferred embodiment, the thermocouple probe device comprises a thermocouple temperature probe, and further comprises a thermowell, a spring sleeve, a metal corrugated pipe and a bolt type sleeve which are connected in sequence, wherein a spring is arranged in the spring sleeve, the thermowell and/or the metal corrugated pipe is propped against the spring, and the bolt type sleeve is in threaded connection with the honeycomb; the thermocouple temperature probe is located in the thermowell, the spring, the metal bellows and the bolt type sleeve.

Further, the size of the bolt cap of the bolt-type sleeve is larger than the size of the honeycomb.

Further, the metal bellows is in threaded connection with the inner surface of the spring sleeve.

Further, the metal corrugated pipe is connected with the inner surface of the bolt type sleeve in a threaded mode.

Compared with the prior art, the novel temperature rise testing device provided by the utility model has the advantages that the honeycomb can be connected by the design of the upper honeycomb plate, the lower honeycomb plate, the prototype fixing device and the thermocouple probe device in a threaded manner, so that a thermocouple is not required to be pasted during temperature rise testing, the problem that heat generated by a product and caused by pasting a hot adhesive tape at the highest temperature of the surface of the product is accumulated by the hot adhesive tape to influence an actual temperature rise result is avoided, the influence of a paste is avoided, and the accuracy of the testing result is higher; for different scenes, only the hot spot positions are marked, and thermocouple probe devices are arranged at the corresponding positions of the upper honeycomb plate and/or the lower honeycomb plate, so that the test can be performed; in the debugging process, for the condition that the system version needs to be updated or the prototype needs to be replaced, the hot spot position is unchanged, the system version or the prototype can be directly replaced, the hot spot position does not need to be relocated, and the relocation workload is avoided.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a perspective structure diagram of a novel temperature rise testing device provided by the utility model;

FIG. 2 is a schematic view of the post and upper honeycomb panel post structure and plugging state provided by the present utility model;

FIG. 3 is a block diagram of a prototype fixture according to the present utility model;

fig. 4 is a block diagram of a thermocouple probe device provided by the present utility model.

Reference numerals illustrate: 100-temperature rise testing device; 10-supporting means; 11-supporting legs; 12-lower honeycomb panel; 13-stand columns; 14-upper honeycomb plate; 141-upper honeycomb panel struts; 20-prototype fixing means; 21-a rectangular slide bar bracket; 22-a first slider; 23-a first polish rod; 24-a second slider; 25-a second polish rod; 26-sample limiter; 30-thermocouple probe device; 31-thermowell; 32-a spring sleeve; 33-metal bellows; 34-bolt type sleeve; 35-a thermocouple temperature measurement probe; 351—probe end.

Detailed Description

In order to make the objects, technical solutions and advantageous technical effects of the present utility model more apparent, the present utility model will be further described in detail with reference to the accompanying drawings and detailed description. It should be understood that the detailed description is intended to illustrate the utility model, and not to limit the utility model.

In the embodiment of the utility model, a novel temperature rise testing device 100 is provided, as shown in fig. 1, the temperature rise testing device 100 comprises a supporting leg 11, a lower honeycomb plate 12 is arranged on the supporting leg 11, a stand column 13 is arranged on the lower honeycomb plate 12, an upper honeycomb plate 14 is inserted on the stand column 13, the stand column 13 is connected with a prototype fixing device 20, the prototype fixing device 20 is positioned between the lower honeycomb plate 12 and the upper honeycomb plate 14, threads are arranged in the honeycomb of the lower honeycomb plate 12 and the upper honeycomb plate 14, the honeycomb is used for installing a thermocouple probe, and the honeycomb threads are connected with a thermocouple probe device 30.

Here, the legs 11, the lower honeycomb plate 12, the columns 13 and the upper honeycomb plate 14 constitute a support device 10, which supports the prototype fixture 20 and the thermocouple probe device 30. The above-mentioned cells on the lower honeycomb plate 12 pass through the upper and lower surfaces of the lower honeycomb plate 12, and the cells on the upper honeycomb plate 14 pass through the upper and lower surfaces of the upper honeycomb plate 14, which can be understood as cells, i.e., threaded through holes.

In this embodiment, the upper honeycomb panel 14 is provided with upper honeycomb panel support posts 141. An upper honeycomb plate strut 141 is positioned at the lower side of the upper honeycomb plate 14, and the upper honeycomb plate strut 141 is inserted on the upright 13. Specifically, the lower honeycomb plate 12 and the upper honeycomb plate 14 are rectangular metal plates, 1 upper honeycomb plate strut 141 is welded at each of four corners of the upper honeycomb plate 14, the lower end of the upper honeycomb plate strut 141 is thinner, one upright post 13 is welded at each of four corners of the lower honeycomb plate 12, and the upper honeycomb plate strut 141 and the upright posts 13 are arranged in one-to-one correspondence. Referring to fig. 2, the top ends of the upright posts 13 are provided with blind holes along the vertical direction, and the blind holes are used for being matched with the lower ends of the upper honeycomb plate struts 141 to realize detachable insertion.

In this embodiment, the sample holder 20 includes a plurality of sample stoppers 26, and the horizontal distance between the sample stoppers 26 can be adjusted, so that the sample stoppers 26 can accommodate the holding of samples of various sizes. The sample is generally rectangular and the number of sample holders 26 is not less than 3.

It will be appreciated that adjustment of the horizontal distance between the different sample stoppers 26 can be used to adjust the degree of correspondence of the thermocouple probe device 30 to the hot spot.

Referring to fig. 3, the sample stoppers 26 are four, the four sample stoppers 26 are in one-to-one correspondence with four corners of the bottom surface of the sample, the sample stoppers 26 include a bottom plate and an L-shaped vertical plate, the L-shaped vertical plate is disposed on the bottom plate, and the L-shaped vertical plate limits the sample from two directions. The sample machine fixing device 20 further comprises a rectangular slide bar support 21, two first polished rods 23 and two second polished rods 25. Four upright posts 13 are positioned on the lower honeycomb plate 12, and four corners of the rectangular slide bar support 21 are connected with the four upright posts 13 in a one-to-one correspondence. The first polish rod 23 and the second polish rod 25 are perpendicular to each other and are parallel to a horizontal plane. The sample limiter 26 is provided with a first through hole for passing through the first polish rod 23 corresponding thereto, and a second through hole for passing through the second polish rod 25 corresponding thereto. Each sample limiter 26 is slidably connected to one first polish rod 23 through a first through hole, and is slidably connected to one second polish rod 25 through a second through hole, that is, each first polish rod 23 has 2 sample limiters 26, and each second polish rod 25 has 2 sample limiters 26. Each end of each first polish rod 23 is fixedly connected with a first slide block 22, each end of each second polish rod 25 is fixedly connected with a second slide block 24, and the first slide block 22 and the second slide block 24 are in sliding connection with the rectangular slide rod support 21. The first slider 22 can slide along the length direction of the second polished rod 25, the second slider 24 can slide along the length direction of the first polished rod 23, and based on the first slider, the horizontal distance between the sample limiting pieces 26 can be adjusted to adapt to the fixation of samples with different sizes and the position relation of the fine tuning hot spot and the thermocouple probe device 30.

In this embodiment, the thermocouple probe device 30 includes a thermowell 31, a spring sleeve 32, a metal bellows 33, a bolt type sleeve 34, and a thermocouple temperature probe 35, as shown in fig. 4, the thermowell 31, the spring sleeve 32, the metal bellows 33, and the bolt type sleeve 34 are sequentially connected, the spring is located in the spring sleeve 32 and between the thermowell 31 and the metal bellows 33, the thermowell 31 abuts against the spring and/or the metal bellows 33, as an example, one end of the thermowell 31 and/or one end of the metal bellows 33 is located in the spring sleeve 32, and one end of the spring is connected (may be in contact connection) with the thermowell 31 and/or the other end of the spring is connected (may be in contact connection) with the metal bellows 33, specifically, the thermowell 31 abuts against one end of the spring, and the other end of the spring is abutted against a spring baffle on the spring sleeve 32. The bolt-type sleeve 34 is screwed with the honeycomb, and the bolt-type sleeve 34 is shaped as a sleeve formed by a through hole formed in the bolt, and the through hole formed in the sleeve is along the axial direction of the sleeve. A thermocouple temperature probe 35 is located in thermowell 31, spring, metal bellows 33 and bolt type sleeve 34. The detection end 351 of the thermocouple temperature probe 35 can be positioned outside the thermowell 31, i.e. the thermowell 31 is a cylinder body, or can be positioned in the thermowell 31 according to actual requirements. In this embodiment, when the thermocouple probe device 30 contacts the sample for a temperature rise test, the thermowell 31 contacts the sample and compresses the spring; when probe end 351 and thermowell 31 are not in contact with the sample, thermowell 31 is no longer compressing the spring and thermowell 31 is reset.

Preferably, the bolt cap of the bolt-type sleeve 34 has a size greater than the honeycomb size; the metal bellows 33 is in threaded connection with the inner surface of the spring sleeve 32; the metal bellows 33 is screwed to the inner surface of the bolt sleeve 34, which in some embodiments may be met in whole or in part at the same time. The metal bellows 33 is screwed on the inner surface of the spring sleeve 32, and the metal bellows 33 is screwed on the inner surface of the bolt type sleeve 34, so that the length adjustment of the thermocouple probe device 30 can be further realized.

Preferably, the upper cellular board 14 is provided with a plurality of openings, and the openings are used as shooting positions of cameras for reserving samples, so that part of shooting, video recording and video call scenes can be tested.

Here, the thermocouple probe device 30 is cylindrical. Thermowell 31 is a hard plastic material with an inner diameter that fits the outer diameter of thermocouple temperature probe 35. The first polish rod 23 and the second polish rod 25 are solid stainless steel rods.

The use process of the novel temperature rise test device 100 in this embodiment is as follows: in the temperature rise test of samples such as a mobile phone and a flat plate, the upper honeycomb plate 14 and the lower honeycomb plate 12 are separated, the prototype fixing device 20 is adjusted to enable the prototype fixing device 20 to be adapted to the sample to be fixed, the sample is placed on the prototype fixing device 20, the upper honeycomb plate 14 and the lower honeycomb plate 12 are connected, after the sample is positioned at a hot spot position, the thermocouple probe device 30 is installed in a honeycomb at the corresponding position on the upper honeycomb plate 14 and the lower honeycomb plate 12, for the position difference on a horizontal plane, the detection end 351 of the thermocouple temperature probe 35 can be moved towards the hot spot position, and the position and the rigidity of the thermocouple probe device 30 are kept by the metal corrugated tube 33; for the position difference in the vertical direction, if the position difference in the vertical direction is more, the threaded connection length of the metal bellows 33 and the spring sleeve 32 and the threaded connection length of the bolt type sleeve 34 of the metal bellows 33 are adjusted through spring adjustment; probe end 351 is pressed to be located just inside thermowell 31. At the end of one test, the upper and lower honeycomb plates 14 and 12 were separated, the sample was replaced, the upper and lower honeycomb plates 14 and 12 were connected, and the temperature rise test was continued.

As can be seen from the above detailed description of the specific embodiments of the present utility model, compared with the conventional testing method, the novel temperature rise testing device 100 of the present utility model does not need to be adhered with a thermocouple, so as to avoid the problem that heat generated by a product and caused by adhering a hot adhesive tape at the highest temperature of the surface of the product is accumulated by the hot adhesive tape and affects the actual temperature rise result, and avoid the repeated repositioning workload when the hot spot position is unchanged for the same scene, such as the situation that the version is required to be updated or the prototype is replaced. The utility model is separated from the mode of sticking the adhesive tape, is not influenced by the sticking object, and has higher test result precision. The thermocouple probe device 30 and the sample are conveniently removed after the test is completed. For different scenes, only the hot spot positions need to be marked, and the thermocouple probe devices 30 are installed at the corresponding positions of the upper honeycomb plate 14 and/or the lower honeycomb plate 12, so that the test can be performed. In the debugging process, the hot spot position is unchanged and can be directly replaced under the condition that the system version needs to be updated or a prototype needs to be replaced. The utility model is applicable to, but not limited to, temperature rise testing of mobile phones and tablets.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.

The foregoing is merely a preferred embodiment of the present utility model and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present utility model, which are intended to be comprehended within the scope of the present utility model.

Claims (10)

1. The utility model provides a novel temperature rise test device, its characterized in that, includes the landing leg, be equipped with down the honeycomb board on the landing leg, be equipped with the stand on the honeycomb board down, peg graft on the stand and have last honeycomb board, sample machine fixing device is connected to the stand, sample machine fixing device is located down the honeycomb board with go up between the honeycomb board, down the honeycomb board with all be equipped with the screw thread in the honeycomb on the last honeycomb board, honeycomb threaded connection thermocouple probe device.

2. The novel temperature rise test device according to claim 1, wherein the upper honeycomb plate is provided with an upper honeycomb plate support post, and the upper honeycomb plate support post is inserted into the upright post.

3. The novel temperature rise test device according to claim 2, wherein the upper end of the upright post is provided with a blind hole, and the lower end of the upper honeycomb plate support post is inserted into the blind hole.

4. The novel temperature rise test device of claim 1, wherein the prototype fixture comprises a plurality of sample stoppers, and the horizontal distance between different sample stoppers is adjustable.

5. The novel temperature rise test device according to claim 4, wherein the number of the sample limiting members is four, and the sample limiting members correspond to four corners of the bottom surface of the sample one by one.

6. The novel temperature rise test device according to claim 5, wherein the sample fixing device further comprises four rectangular slide bar supports, two first polished rods and two second polished rods, the four upright posts are connected in one-to-one correspondence with four corners of the rectangular slide bar supports, the first polished rods and the second polished rods are perpendicular to each other and are parallel to a horizontal plane, each sample limiting piece is in sliding connection with one first polished rod and one second polished rod, the first polished rod is fixedly connected with a first sliding block, the second polished rod is fixedly connected with a second sliding block, and the first sliding block and the second sliding block are in sliding connection with the rectangular slide bar supports.

7. The novel temperature rise testing device according to claim 1, wherein the thermocouple probe device comprises a thermocouple temperature probe, and further comprises a thermowell, a spring sleeve, a metal corrugated pipe and a bolt type sleeve which are sequentially connected, wherein a spring is arranged in the spring sleeve, the thermowell and/or the metal corrugated pipe is propped against the spring, and the bolt type sleeve is in threaded connection with the honeycomb; the thermocouple temperature probe is located in the thermowell, the spring, the metal bellows and the bolt type sleeve.

8. The novel temperature rise test apparatus of claim 7, wherein the bolt cap of the bolt-type sleeve has a size greater than the size of the honeycomb.

9. The novel temperature rise test device of claim 7, wherein said metal bellows is threadably connected to said spring sleeve inner surface.

10. The novel temperature rise test device of claim 7, wherein said metal bellows is threadably coupled to said interior surface of said bolt-type sleeve.