JP3424628B2 - Regenerator - Google Patents

Description

Detailed Description of the Invention

[0001]

TECHNICAL FIELD The present invention relates to the structure of a regenerator.

[0002]

2. Description of the Related Art In recent years, a cool box, which is loaded on a truck or the like and transported, is used for various physical distribution purposes.
The cool box has a box-shaped cool box body in which the objects to be kept cold are stored, and a cold storage unit comprising a refrigerating device which is, for example, a heat source, a regenerator, and a regenerator that is cooled and stored by the refrigerating device. The cooling device is provided to cool the regenerator by the refrigerating device of the cold keeping means to store cold heat, and cool air from the regenerator is flowed into the cold keeping space of the cool box body containing the object to be kept cold. As a result, the object to be kept cold is kept cold. The refrigerating apparatus is operated only in the storage warehouse of the delivery terminal and is not operated during transportation, and only the cold heat stored in the regenerator is kept cold in the cool box body. Is supposed to do.

By the way, the regenerator is provided with a regenerator which is in contact with a heat transfer tube which is a refrigerant tube of a heat exchanger on the refrigerating apparatus side and efficiently stores cold heat. The operation is stopped when the temperature of the cold storage agent drops to a predetermined target temperature.

Therefore, the cold storage agent is provided with a temperature sensor (such as a thermistor) for detecting its temperature.

[0005]

However, since the above-mentioned conventional temperature sensor adopts a mounting structure in which the surface of a plurality of packaged cool storage agents is fixed by being stuck with aluminum tape or the like, the mounting position is Has a problem in that the regenerator itself is poorly assembled because of the temperature sensor.

As a result, the mass productivity during production and the replaceability of the temperature sensor during maintenance work are also lacking.

The present invention has been made in order to solve such a problem, and enables the temperature sensor to be easily and surely mounted at an accurate position between the temperature sensor and a heat transfer tube by a predetermined mounting bracket. Therefore, the object is to provide a regenerator with improved mass productivity and improved serviceability.

[0008]

In order to achieve the above object, the present invention comprises the following effective problem solving means.

(1) Invention of Claim 1 The regenerator of this invention is a deformable filling bag 21, 21 ...
A plurality of refrigerant 13A filling body 20, 20 ... which the refrigerant 13A 22 ... are filled in the &, the plurality of refrigerant 13A packing 2
0, 20 ... The heat transfer tubes 8, 8 ... In which the refrigerant for cooling the respective cold storage agents 22, 22 ... Flows, and the plurality of cold storage agent filling bodies 20, 20 ,.・Colour storage corresponding between
Temperature sensor 60 for detecting the temperature of the agents 22, 22 ...
And a temperature sensor having two fitting portions, a first fitting opening portion 51 fitted to the heat transfer tubes 8, 8 ... And a second fitting opening portion 52 fitting the temperature sensor 60. A regenerator including a mounting bracket 50 , the temperature sensor
The mounting bracket 50 is made of a plate-shaped member,
Each of the mating ports 51 and 52 of FIG.
It is curled in an arc shape and each of them
The curl end portions 51a and 52a are connected to each other in the curl arcs.
Molded on a tangent line or curled inward
It is characterized by being.

In this invention, first, the regenerator is deformable.
Cooling agent 22,22 ... in the filling bags 21,21.
A plurality of filled cold storage agent filling bodies 20, 20, ...
It is easy to tear.

On the other hand, the plurality of cold storage agent filling bodies 20, 2
0 ... Corresponding cold storage agent 22, 22, ...
The temperature sensor 60 that detects the temperature of the
It can be attached via the racket 50
It The temperature sensor mounting bracket 50 includes heat transfer tubes 8 and 8.
The first fitting port portion 51 and the temperature sensor
Two fitting portions with the second fitting opening portion 52 for fitting the support 60
Is configured.

And, the temperature sensor mounting bracket 50
The temperature sensor 60 is attached by means of the temperature sensor 6 to the second fitting opening 52 of the temperature sensor mounting bracket 50.
0 together when fitting the, by the first fitting opening portion 51 is fitted to the outer peripheral surface of the predetermined ones of the heat transfer tube 8, 8 ... of the regenerator 12, so that is Attach easily collected Becoming
You is, for example, easily above the heat transfer tube 8, 8 ... both sides of multiple
It is possible to attach the regenerator material with a good heat transfer property to a precise fixed position between the regenerator material filling bodies 20 and 20.

As a result, the reliability of the temperature detection performance is improved, the mounting work of the temperature sensor 60 is facilitated, the assembling property is improved, and the mass productivity and the serviceability are improved.

In addition, in the case of the present invention, the above temperature
The first capacitors mounting bracket 50, each of the second fitting opening 51 and 52 is constituted by the both ends of the temperature sensor mounting bracket 50 each of which is made of a plate-shaped member is curled in a circular arc shape, they each Curl ends 51a, 52a
Is characterized in that it is formed in a state of being curled on a tangent line common to the curl arcs or inward of the curl arcs.

[0015] Thus, in the arrangement, the curled end 51a, even 52a abuts in a pressed state to the蓄 cold replenishing member 2 0,20, the upper Symbol refrigerant 13A fillers 20, 20 ... bag Does not break, and a stable contact state is maintained . As a result, stable temperature detection performance
Maintained.

(2) Invention of Claim 2 In the regenerator of this invention, in the configuration of the invention described in Claim 1, the first and second fitting ports 51 , 52 are constituted.
That the curled end 51a, 52a is characterized in that it has been formed respectively displaced inwardly in a state involving heat transfer tubes 8, 8 ..., and temperature sensor 60.

Therefore, in this structure, the heat transfer tubes 8, 8 ...
The temperature sensor 60 is securely attached and fixed to the temperature sensor, and the reliability of the temperature detection performance is further improved.

(3) Invention of Claim 3 In the regenerator of this invention, in the constitution of the invention of claim 1 or 2 , the first and second fitting ports 51 , 52 are provided.
The corner portions on the left and right ends of the curled end portions 51a and 52a that are formed are characterized by being formed on the rounded surfaces R ₁ and R ₂ , respectively.

Therefore, in this structure, even if the curl end portions 51a and 52a come into contact with the cold storage agent filling bodies 20 and 20 in a pressed state under a considerable pressed state, the left and right corner portions are filled with the cold storage agent.
The bag of filler 20 and 20 will not be broken,
A more stable contact state is maintained.

(4) Invention of Claim 4 In the regenerator of this invention, in the structure of the invention of Claim 1, 2 or 3 , the temperature sensor mounting bracket 50 is provided.
However, it is characterized in that it is formed into a substantially S-shape as a whole.

Therefore, in this structure, the temperature sensor 60 is fitted to the second fitting opening 52 of the temperature sensor mounting bracket 50 having the substantially S shape, and the first fitting opening 51 is formed.
Is fitted to the outer peripheral surface of a predetermined one of the heat transfer tubes 8 of the regenerator 12, the temperature sensor 60 can be easily attached to the regenerator 12 at an accurate fixed position.

(5) Invention of Claim 5 In the regenerator of the present invention, in the configuration of the invention of Claim 1, 2, 3 or 4 , the regenerator 12 is a regenerator for a cool box. Is characterized by.

Therefore, in this structure, in the regenerator for a cool box, which is generally required to be compact, the temperature sensor 60 is fitted to the second fitting port portion 52 of the temperature sensor mounting bracket 50, and the first By fitting the fitting port portion 51 to the outer peripheral surface of a predetermined one of the heat transfer tubes 8, 8, ... Of the regenerator 12, the temperature sensor 60 can be easily and accurately fixed. Can be mounted in position.

[0024]

As a result of the above, according to the regenerator of the present invention, the following beneficial effects can be obtained.

(1) Installation of the temperature sensor is easy,
Since the assemblability is improved, the mass productivity is improved. Also, the exchangeability at the time of service is improved.

(2) The mounting position becomes accurate and the mounting state is stable, and it is possible to always realize stable and highly accurate temperature detection performance.

[0027]

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, for example, a regenerator according to an embodiment of the present invention applied to a regenerator for a cool box,
This will be described in detail with reference to FIGS.

First, FIG. 1 shows the overall construction of a cool box Z ₁ equipped with a regenerator X according to an embodiment of the present invention. This cool box Z ₁ is provided with a cool box body 1 whose inside is a cold room 2 opened and closed by a door 4. A regenerator X, which is the gist of the invention of the present application, is arranged in the upper portion 2a of the cold storage chamber 2, and a refrigerator unit case 5 is laminated and fixed on the upper surface side of the cold storage body 1. There is. The refrigerator unit case 5 accommodates a member other than, for example, the evaporator among various components of the refrigerator, that is, a refrigerator unit 6 including a compressor and a condenser. The evaporator of the refrigerator is used as the cooler 7, which is one of the constituent elements of the regenerator X described below.

Next, the regenerator X comprises a cooler 7 and a regenerator agent filling body 20, as shown in FIGS. 2 and 3, for example.

The cooler 7 is constituted by a plurality of heat transfer tubes 8, 8 ... Which are arranged in a plurality of rows and have a four-stage structure. The cooler 7 functions as an evaporator of the compression refrigerator, and is connected to each device of the refrigerator section 6 by a refrigerant pipe.
A liquid refrigerant from a condenser (not shown) of the refrigerator unit 6 is circulated in the ..., and the cold energy is stored by freezing the cold storage agent 22 filled inside.

The cooler 7 includes the heat transfer tubes 8, 8 ...
Are arranged in parallel in multiple rows (four rows in this embodiment) and in a plurality of rows, and by the three tube plates 11 to 13 sequentially facing each other at a predetermined interval, these heat transfer tubes 8, 8 ...
・ ・ Supports both ends and middle part of each.
The heat transfer tubes 8, 8 ... Are supported via a bush 10 in the tube sheet 11 portion, and the tube sheet 1
2 and the tube sheet 13 are supported by the tube holder 9. Further, in this case, the heat transfer tubes 8, 8 ... Arranged in the multi-stage and the plurality of rows are arranged in parallel with each other by a set of four heat transfer tubes 8, 8 ... A plurality of rows of heat transfer tubes 8A, 8B, 8C, 8D ... Are set in the direction.

For example, as shown in FIG. 5, the regenerator material 20 is filled with a predetermined amount of gel regenerator 22 in a refill bag 21 formed of a deformable soft material in the shape of a rectangular plate. It is configured. Then, the cold storage agent 22 freezes by receiving a cooling action and stores cold heat, while
It absorbs warm heat from the frozen state and is gradually thawed into a gel state, and at that time, it performs a cooling effect.

As shown in FIG. 3, for example, the cold storage agent filling body 20 includes the heat transfer tube rows 8A, 8B,
Are arranged so as to sandwich the four heat transfer tubes 8, 8 ... Therefore, between the heat transfer tubes 8A, 8B, 8C on both sides, between the heat transfer tubes 8, 8 ... Corresponding to the cold storage agent filling body 20 corresponding to one heat transfer tube row and the other heat transfer tube row adjacent to each other. The regenerator pack 20 and the regenerator pack 20 are arranged back to back (note that only one regenerator pack 20 is arranged outside the heat transfer tube rows at both ends in the row direction). Further, in this case, the cold storage agent filling body 20 can be provided between the tube sheet 11 and the tube sheet 12, and between the tube sheet 13 and the tube sheet 12, respectively, as shown by a chain line in FIG. .. Therefore, the heat transfer tubes 8, 8 ... That belong to each of the heat transfer tube rows 8A, 8B, 8C correspond to the cold storage agent filling body 20 over substantially the entire length thereof. There is.

By the way, for example, the plurality of heat transfer tube rows 8 are provided.
For example, as shown in FIG. 3, the lowermost heat transfer tube 8 of the intermediate heat transfer tube row 8B among the A, 8B, and 8C is provided with the above-mentioned cool storage during the cold storage via a substantially S-shaped temperature sensor mounting bracket 50. A temperature sensor 60 for detecting the temperature of the cold storage agent 22 in the agent filling body 20 is attached.

The temperature sensor 60 is composed of, for example, a thermistor having a cylindrical structure. On the other hand, as shown in FIGS. 8 and 9, for example, the temperature sensor mounting bracket 50 includes an elastic metal plate (for example, SU having a predetermined width and a predetermined length).
The first fitting opening 51 is formed by curling (bending) both ends of (S) so as to form a substantially S-shaped cross section as a whole, and is elastically fitted to the outer peripheral surface of the heat transfer tube 8. The first curl portion on the large diameter side having the above, and the tubular temperature sensor 60.
And a small-diameter side second curl portion having a second fitting opening portion 52 that elastically fits at both ends. The curl end portions 51a and 52a of the first and second curl portions, which extend for a predetermined length, are curled, for example, on a tangent line common to the curl arcs or inside the curl arcs. As shown in FIG. 7, for example, the first fitting opening 51 is fitted to the outer peripheral surface of the heat transfer tube 8 and the temperature sensor 60 is fitted into the second fitting opening 52. In the attached state, the heat transfer tube 8 and the temperature sensor 60 are configured so as to ensure a secure engagement force and not to be disengaged from each other, and the curl end portions 51a and 52a are, for example, as shown in FIG. As shown in FIG. 2, the refill bag 21, 21 of the regenerator pack 20, 20 abutting on both sides in a predetermined pressing state is parallel to or in contact with the contact surface of the refill bag 21, 21 so as not to be broken. Leaning a little more inward They are brought into contact in Thailand. In this case, if the curl ends 51a and 52a are further displaced inward so that the heat transfer tube 8 and the temperature sensor 60 are sufficiently wound, the engaging force becomes larger and a more reliable fixing state is realized. To be done.

The heat transfer tube 8 and the temperature sensor 6 of the temperature sensor mounting bracket 50 are constructed according to these configurations.
0, a sufficient locking force for each of them is realized, and a secure engagement state between them at a predetermined mounting position is maintained,
The stable contact state with the cold storage agent filling bodies 20 and 20 is maintained. At the same time, the curl ends 51a and 52a are also provided.
As shown in FIGS. 8 and 9, for example, the corner portions on both end sides of R are formed on rounded surfaces R ₁ , R ₁ , R ₂ , R ₂ each having a predetermined curvature. , 2
The cold storage agent-filled bags 21 and 21 are configured not to be easily torn when abutting against 0.

As described above, the heat transfer tube rows 8A, 8B,
8C corresponding to each of the 8C
After the .. are arranged, an integral urging member 31 as a spacer as described below is further mounted between the pair of cold storage agent filling bodies 20 facing each other in a back-to-back state.

As shown in FIG. 4, for example, the integral urging member 31 is constructed by integrally assembling a pair of urging members 32 and 33 having the same shape and oppositely arranged in a back-to-back state. ing.

The urging members 32 and 33 are both obtained by pressing a rectangular metal thin plate (for example, a stainless thin plate) and are arranged in a row at a predetermined interval in the longitudinal direction as shown in the figure. And a plurality of openings 35, 35, ..., 36, 36 ,.
.., 36, 36 .. .. and strip-shaped pressing plate portions 42, 42 .., 43, 43 .. ing. Further, the biasing members 32 and 33 are provided with predetermined connecting pieces 46, 46, ..., 47, 47, ... At the upper edge portions 32a, 33a, which are bent and extended to one side in the thickness direction. While being provided at intervals, the lower edge portions 32b and 33b have connection pieces 44 and 44, which are bent and extended to one side in the thickness direction.
., 45, 45 ... At predetermined intervals, and a receiving portion 39 extending to the other side in the thickness direction at an intermediate position between the connecting pieces 44, 44. , 39 ..., 4
0, 40 ... Are provided respectively.

The pair of biasing members 32 and 33 thus constructed are arranged in a back-to-back state as shown in FIG. 4, and the connecting pieces 46, 46 ...
., 47, 47 .., and the connecting pieces 44, 44 .., 45, 45 .., on the lower edge side thereof are superposed on each other and fixed by rivets to be integrated. The pair-type urging member 31 is configured. In this urging member 31, the first urging member 32 and the second urging member 32 are arranged from the lower end portion 31b toward the upper end portion 31a.
The biasing members 32 and 33 are arranged so as to be inclined so that the distance between the biasing member 33 and the biasing member 33 gradually decreases. In addition, at the intermediate position between the biasing members 32 and 33, the openings 35,
35, ..., 36, 36 .. The space 41 is formed by the integrated urging member 31.
Lower ventilation ports 37, 37 formed on the upper end 31a side of the
・ They also communicate with each other.

As shown in FIG. 3, the integral type urging member 31 constructed as described above has a narrow upper end portion 3 as shown in FIG.
It is inserted between the pair of cold storage agent filling bodies 20, 20 arranged back to back from the side 1a. The end biasing members 34 are provided outside the cold storage agent filling bodies 20 at both ends in the tube row direction.
Although the height of the end biasing member 34 is different from that of the first biasing member 32 or the second biasing member 33, the other biasing member 34 has another structure (for example, the opening 3).
5, 36, pressing plate portions 42, 43, etc.) are the same,
A detailed description of the structure is omitted.

As described above, the pair of regenerator packs 2
When the integrated urging member 31 is inserted and arranged between 0 and 20, as shown in FIG.
Reference numeral 20 denotes each of the pressing plate portions 42, 42 of the integrated urging member 31.
.. by the same 43, 43 ..
Is pressed and urged toward one side, and the one side surface 20c of the cold storage agent filling body 20 facing the heat transfer tubes 8, 8 ...
The temperature sensor 60 attached to the heat transfer tube 8 via the temperature sensor attachment bracket 50 as described above is sandwiched between the cold storage agent filling bodies 20 and 20. It is worn to detect the temperature with good heat conductivity.

Further, of the other side surface 20d of the cold storage agent filling body 20, 20 facing the integrated urging member 31, the portions corresponding to the openings 35, 35, ..., 36, 36 ,. The openings 35, 35, ..., 36, 36 ... Face the space portion 41 in a state of slightly projecting to the space portion 41 side. Furthermore, since the integrated urging member 31 has a substantially trapezoidal cross-sectional shape, by inserting the integrated urging member 31, the cold storage agent filling body 20 has a lower end portion of the integrated urging member 31. The lower end portion 20a corresponding to 31b has the smallest thickness, the thickness thereof gradually increases as the lower end portion 31b approaches the upper end portion 31a, and the upper end portion is detached from the integrated urging member 31 and protrudes upward. The portion 20b is thickest.

In this way, in response to the thickness of the cold storage agent filling body 20 being different in the vertical direction, in the cooler 7, the heat transfer tube rows 8A, 8B, 8C, 8D.
Of the heat transfer tubes 8, 8 ..., The refrigerant flow direction is set so that the refrigerant flows from the lower heat transfer tube 8 toward the upper heat transfer tube 8.

The regenerator X constructed in this way is used.
For example, as shown in FIG. 2, the upper ends of the tube sheets 11 to 13 are fixed to the cool box body 1 by connecting the upper ends to the support members 14 to 16 arranged on the ceiling surface 2b side of the cool chamber 2. Has been done. Further, receiving members 17 to 19 are attached to the lower ends of the tube sheets 11 to 13, respectively.
7 to 19 according to the above-mentioned integrated urging members 31, 31 ...
Is prevented from falling off. Further, the receiving member 19 provided on the tube plate 13 side extends further upward from the front of the regenerator X and also functions as a protective plate.

As described above, the temperature sensor mounting structure of the regenerator according to the present embodiment has the regenerator agents 20, 20 for storing cold heat.
In the regenerator 12 comprising: a heat transfer tube 8, 8 through which a refrigerant for cooling the cool storage agent 20, 20 flows; and a temperature sensor 60 for detecting the temperature of the cool storage agent 20, 20. The cool storage agents 20 and 20 are arranged on both sides of the heat transfer tubes 8 and 8 with good heat conductivity, and the first fitting port portion 51 and the temperature sensor 60 that are fitted to the heat transfer tubes 8 and 8 are fitted. The cool storage agent 20, 20 is provided via a substantially S-shaped temperature sensor mounting bracket 50 having a second fitting port portion 52 for mating therewith.
The temperature sensor 60 is interposed between the two with good heat conductivity.

Therefore, in this structure, the temperature sensor 60 is fitted into the second fitting opening 52 of the temperature sensor mounting bracket 50 having the substantially S-shape, and the first fitting opening 51 is formed.
Is fitted to the outer peripheral surface of a predetermined one of the heat transfer tubes 8, 8 of the regenerator 12, so that the temperature sensor 60 can be easily installed between the regenerators 20, 20 on both sides of the heat transfer tube 8, 8. It can be installed at a precise fixed position with good heat transfer.

As a result, the reliability of the temperature detection performance is improved, the mounting work of the temperature sensor 60 is facilitated, the assembling property is improved, and the mass productivity and the replaceability during service are improved.

In that case, the first and second
Each of the fitting openings 51, 52 is formed by curling both ends of the temperature sensor mounting bracket 50, which is a plate-shaped member having a predetermined length and a predetermined width, in an arc shape. The reference numeral 52a is curled on a tangent line common to the curl arcs or on the inner side of the curl arcs so as to be parallel to or slightly inward of the contact surface of the regenerator 20, 20 to be contacted. Has been done.

Therefore, in this structure, even if the curled end portions 51a and 52a come into contact with the cold storage agents 20 and 20 in a pressed state, the bag of the cold storage agents 20 and 20 will not be broken, and
A stable contact state is maintained.

The curl end portions 51a and 52a are also
Are biased inward as necessary so that the relative locking force after fitting with the heat transfer tubes 8, 8 ... And the temperature sensor 60 is ensured. .. and the temperature sensor 60 can be molded in a rolled-in state.

By doing so, the mounting and fixing of the temperature sensor 60 to the heat transfer tubes 8, 8 ... Will be more reliable, and the reliability of the temperature detection performance will be further improved.

Further, the curl ends 51a, 52
The left and right corners of a are formed on rounded surfaces, respectively.

Therefore, the curl ends 51a, 52
Even if a is brought into contact with the cold storage agents 20, 20 in a state of being pressed with considerable pressure, the bags of the cold storage agents 20, 20 are not broken at the left and right corners, and a more stable contact state is maintained.

As a result, according to the temperature sensor mounting structure of the regenerator, the following beneficial effects can be obtained.

(1) Installation of the temperature sensor is easy,
Since the assemblability is improved, the mass productivity is improved. Also, the exchangeability at the time of service is improved.

(2) The mounting position is accurate and the mounting state is stable, and it is possible to realize stable and highly accurate temperature detection performance.

(Modification) The temperature sensor mounting bracket 50 described above may be formed of, for example, a synthetic resin material.

[Brief description of drawings]

FIG. 1 is a front view of a cool box according to an embodiment of the present invention.

FIG. 2 is a partially cutaway side view showing a structure of a regenerator portion of the cold storage.

FIG. 3 is an enlarged cross-sectional view taken along the line AA of FIG.

FIG. 4 is a perspective view showing a structure of a spacer portion of the cool box.

FIG. 5 is a partially cutaway perspective view showing a structure of a cold storage agent filling body of the cold storage.

FIG. 6 is an enlarged cross-sectional view showing a temperature sensor mounting structure in a regenerator portion of the cool box.

7 is an enlarged view of a main part of the temperature sensor mounting structure shown in FIG.

8 is a perspective view of a temperature sensor mounting bracket in the temperature sensor mounting structure shown in FIGS. 6 and 7. FIG.

FIG. 9 is a front view of the mounting bracket (view B- in FIG. 6).
B).

[Explanation of symbols]

1 is a cool box body, 2 is a cool room, 3 is an opening, 4 is a door, 5
Is a refrigerator unit case, 6 is a refrigerator part, 7 is a cooler (evaporator), 8 is a heat transfer tube, 8A to 8C are heat transfer tube rows, 9 is a tube holder, 10 is a bush, 11 to 13 are tube plates, 14
˜16 is a support member 14, 17˜19 is a receiving member, 20 is a cold storage agent filling body, 21 is a filling bag, 22 is a cold storage agent, 31 is an integrated urging member, 32 is a first urging member, and 33 is Second biasing member, 34 is an end biasing member, 35 and 36 are openings, 50
Is a temperature sensor mounting bracket, 51 is the first curl portion,
51a is curled end portion of the first curl portion, 52 is a second curled portion, 52a curled end portion of the second curled portion, 60 a temperature sensor, X is the regenerator, Z ₁ is a cool box.

Claims (5)

(57) [Claims] 1. A deformable filling bag (21), (21).
.... Cold storage agent (22), (22) ...
A plurality of refrigerant 13A filler (20), (20) ... and, said double
Storage of a number of cold storage agent filling bodies (20), (20) ...
Cold agent (22), (22) ... coolant flows to cool the heat transfer tube (8), (8) and ..., the plurality of cool storage replenishing
Corresponding cold storage between the bodies (20), (20) ...
A temperature sensor (60) for detecting the temperature of the agents (22), (22) ... And a first fitting port portion (51) fitted to the heat transfer tubes (8), (8). And the temperature sensor (6
With the second fitting opening portion fitted and (52) Temperature sensor mounting bracket (50 having two mating portions of the) 0)
A regenerator consisting of the above temperature sensor mounting bracket
(50) is made of a plate-shaped member, and the first and second fittings
The mouths (51) and (52) are arcuate at both ends.
It is curled in the shape of
The ends (51a) and (52a) of the curl are the phases of each curl arc.
Curled on a common tangent to each other or inward
A regenerator characterized by being molded into . 2. The first and second fitting port portions (51), (5)
2) curl ends (51a) and (52a) that make up
Are respectively deviated inward and the heat transfer tubes (8), (8) ...
The regenerator according to claim 1, characterized in that the regenerator is molded so as to include the temperature sensor (60). 3. The first and second fitting ports (51), (5)
2) curl ends (51a) and (52a) that make up
The corners on both left and right sides of are rounded surfaces (R ₁ ),
The regenerator according to claim 1 or 2, wherein the regenerator is formed in (R ₂ ). 4. The temperature sensor mounting bracket (50) comprises:
The regenerator according to claim 1, 2 or 3, wherein the regenerator is formed into a substantially S-shape as a whole. 5. The regenerator according to claim 1, 2, 3 or 4, wherein the regenerator (12) is a regenerator for a cool box.