JPH07260379A - Generator in vuilleumier - Google Patents

Abstract

PURPOSE:To make it possible to avoid increase of heat loss and fluidity loss in a high-revolution range so as to expand the range in which the capacity of the heat pump can be controlled with high efficiency relating to a generator in a vuilleumier heat pump, installed in a high-temperature side communicating channel by which a high-temperature space and a middle-temperature space on the high-temperature side communicate and in a low-temperature side communicating channel by which a middletemperature space on the low-temperature side and a low-temperature space communicate and designed to give or receive warm heat to or from the working gas flowing in the communicating channels. CONSTITUTION:There are provided a normal generation part 13Ha which gives or receives warm heat to or from the working gas flowing in a communicating channel 12H, an adjusting generation part 13Hb which is provided in parallel with the normal generation part 13Ha and gives or receives warm heat to or from the working gas flowing in the communicating channel 12H, a gate valve 22 which opens and closes the channel for the working gas flowing through the adjusting generation part 13Hb, and an elastic support 23 which supports the gate valve 22 with a force toward its closure.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a regenerator for a Wilmie heat pump device, and more particularly to a measure for avoiding an increase in heat loss and flow loss due to an increase in the mass flow rate of working gas.

[0002]

2. Description of the Related Art A Wilmier heat pump device used in an air conditioner or the like has been known as one of the Stirling engines. This heat pump device is, for example, as disclosed in Japanese Patent Laid-Open No. 4-203464,
Built-in high-temperature displacer capable of reciprocating movement, and a high-temperature cylinder in which a high-temperature space (eg 700 ° C.) and a high-temperature side medium-temperature space (eg 50 ° C.) are axially partitioned by the displacer, and a reciprocating low-temperature displacer And a low temperature cylinder in which a low temperature side medium temperature space and a low temperature space (for example, 0 ° C.) are axially partitioned by the displacer. The high temperature space on the high temperature cylinder side and the medium temperature space are connected by a high temperature communication path, the low temperature space on the low temperature cylinder side and the middle temperature space are connected by a low temperature communication path, and both the middle temperature spaces are connected by a connection communication path.
A heater portion for heating the working gas is arranged on the high temperature space side of the high temperature communication passage, and a heat exchanger for taking out the heat of the working gas is arranged on the intermediate temperature space side. On the other hand, a heat exchanger for taking out the heat of the working gas is arranged on the medium temperature space side of the low temperature communication passage, and a cooler section for generating cold is arranged on the low temperature space side.

The pressure of the working gas is changed by reciprocally moving both displacers with a predetermined phase difference (for example, 90 °) through a crankshaft which is rotationally driven by a motor. To form a thermal cycle. At that time,
The heater part and the cooler part absorb heat from the working gas, and the heat exchangers radiate heat from the working gas.
At this time, in the high temperature communication passage between the heater part and the high temperature side heat exchanger and the low temperature communication passage between the low temperature side heat exchanger and the cooler part, a stainless mesh as an element is regenerated. Is provided. Then, by these regenerators, respectively, each of the working gas heading from the high temperature space to the high temperature side middle temperature space, and the respective heat heat of the working gas heading from the low temperature side middle temperature space to the low temperature space are stored to lower the temperature of the working gas, The stored warm heat is radiated to the working gas from the high temperature side medium temperature space toward the high temperature space and the working gas from the low temperature side toward the low temperature side medium temperature space to raise the temperature.

When improving the performance of the heat pump device configured as described above, improving the performance of the regenerator is one of the major keys, and various proposals for improving the performance have been made. ing. For example, "Performance improvement of a semi-free piston Stirling engine regenerator with a composite mesh matrix" (Kazuhiro Hamaguchi, Tatsuya Matsui, Ichiro Takenaka and Takeyoshi Kaminishizono [No. 930-63] Proc. (Vol.D) [1
993-1.2.4], pages 382 to 384), it is shown that matrices (elements) having different mesh numbers are arranged in the passage direction of the working gas.

As a concrete proposal, Japanese Patent Laid-Open No. 5-3
Japanese Patent No. 22464 discloses that in a cylindrical regenerator, a low density mesh is arranged on the outer peripheral side and a high density mesh is arranged on the inner peripheral side in a cylindrical casing.

In these devices, the flow loss of the working gas when passing through the regenerator is reduced, which improves the efficiency of the regenerator.

[0007]

By the way, in the above heat pump device, generally, a regenerator having a small dead volume and having an optimum heat capacity for the engine design speed is selected. That is, the efficiency of the regenerator is maximized at a predetermined rotation speed. In other words, this means that the efficiency of the regenerator changes when the rotation speed is other than the rated point which is the self-sustained operation point.

That is, the efficiency (η) of the regenerator is: η = 1- (1 / Cr + 1 / NTU) Cr = MCm / (mCpto) NTU = HrAmr / (mCp) [However, Cr: heat capacity ratio of regenerator element and working gas, NTU: number of heat units, M: mass of element, Cm:
Element specific heat, Cp: constant pressure specific heat, to: switching time,
Hr: heat transfer coefficient, Amr: heat transfer area]. Therefore, when the mass flow rate (m) of the working gas increases according to the rotation speed, the heat capacity ratio (Cr) decreases and the heat transfer area (Amr ) Is constant, the number of heat units (NTU) is also reduced, which reduces the efficiency (η) of the regenerator.

Then, as shown in FIG. 16, the temperature gradient of the high temperature side inflow temperature (Trh, in) and the low temperature side outflow temperature (Trl, out), and the low temperature side inflow temperature (Trl, in) and the high temperature side outflow temperature. Heat loss, which is the temperature difference between the temperature gradient of (Trh, out) Qr, loss = m · Cp · (Trh, in −Trl, in) · (1-
η) will increase. In that case, in the regenerator, the amount of heat that is 5 to 10 times the amount of heat input is stored, so that even a slight change in the efficiency (η) causes considerable heat loss (Qr, loss). In particular, in the case of a heat pump device, it is necessary to operate at a rotation speed higher than the rated point in order to expand the capacity control range. In that case, as shown in FIG. 17, the heat loss (Qr, loss) A sharp increase is seen.

Further, as shown in FIG. 18, since the pressure loss (P) (flow loss) increases in a cubic curve when the rotational speed is higher than the rated speed, auxiliary power is required to drive the displacer. There is also a problem that the efficiency of the heat pump device is reduced by the amount of input.

When the inefficiency of the regenerator increases, in addition to the increase in the heat loss (Qr, loss), high temperature such as a decrease in the high temperature space temperature and an increase in the intermediate temperature space temperature,
Each temperature mesophilic and low temperature space changes, for this, ideal efficiency of the heat pump device (COP _L), is (COP _H) itself decreases.

COP _L = Tc / Th · (Th-Tm) /
_{(Tm-Tc) COP H =} Tm / Th · (Th-Tc) / (Tm-T
c) [However, Th: high temperature space temperature, Tm: medium temperature space temperature, T
c: Low-temperature space temperature] The present invention has been made in view of the above points, and its main object is to improve the structure of the regenerator so that heat loss occurs when the flow rate mass of the working gas increases. In addition, it is possible to prevent the flow loss from rapidly increasing, and thus to expand the capacity control range of the Wilmier heat pump device with high efficiency.

[0013]

In order to achieve the above-mentioned object, in the invention of claim 1, a normal regeneration section and an adjustment regeneration section are provided in parallel in the communication passage, and when the mass flow rate of the working gas is low. While mainly passing the working gas through the regular regeneration section,
When the number is high, a part of the working gas is additionally passed through the adjusting regenerator so that the heat capacity of the regenerator is variable as a whole.

Specifically, according to the present invention, as shown in FIG. 2, the high temperature cylinder (1H) is formed by being partitioned by a high temperature displacer (3H) which is reciprocally fitted therein. A heater part for communicating the high temperature space (9H) and the high temperature side medium temperature space (10H) filled with the working gas with the high temperature space (9H) and the high temperature side medium temperature space (10H) and absorbing the working gas ( 14H) and a high temperature side heat exchanger (16H) for radiating heat to the working gas, respectively, and a high temperature communication passage (12H), and a reciprocatingly-fittable insertion into the low temperature cylinder (1L). And a low temperature side medium temperature space (10L) and a low temperature side medium temperature space (10L) which are formed by being partitioned by a low temperature displacer (3L) and filled with a working gas, respectively. Warm space (9 L) communicate with each other,
And a low temperature side heat exchanger (16L) for radiating heat to the working gas and a low temperature communication passage (12L) in which a cooler part (14L) for absorbing heat to the working gas are respectively arranged, the high temperature side medium temperature space (10H) and the low temperature side. The medium temperature space (10L) is provided with a connecting communication path (11) for communicating with each other, and a connecting means (4) for connecting the high temperature and low temperature displacers (3H), (3L) so as to reciprocate with a predetermined phase difference. To the Vilmier heat pump device, each of the heat of the working gas from the high temperature space (9H) to the high temperature side medium temperature space (10H) and the temperature of the working gas from the low temperature side medium temperature space (10L) to the low temperature space (9L), respectively. While storing heat to lower the temperature of the working gas, the working gas from the high temperature side medium temperature space (10H) to the high temperature space (9H) and the low temperature side medium temperature space (9L) to the low temperature side medium temperature space ( The working gas towards the 0L) by heat radiation respectively each heat mentioned above heat storage regenerator so as to warm the working gas is premised.

Then, as shown in FIG. 1, the normal regeneration sections (13Ha), (13La) for exchanging heat with the working gas flowing through the communication passages (12H), (12L).
And an adjustment regeneration unit (13H) which is provided in parallel with the regular regeneration units (13Ha) and (13La) and exchanges heat with the working gas flowing through the communication passages (12H) and (12L).
b), (13Lb) and the communication passages (12H), (12)
L), a part of the working gas is increased due to the increase of the mass flow rate of the working gas.
Lb), and adjusting means (21) for adjusting so as to pass Lb).

According to a second aspect of the present invention, in the above-mentioned first aspect of the invention, the adjusting means (21) is the adjusting reproducing section (13H).
b) and (13Lb), a gate valve (22) for opening and closing the flow path of the working gas, and a support means (23) for urging and supporting the gate valve (22) in the valve closing direction. Shall be. Then, as the mass flow rate of the working gas flowing through the communication passages (12H) and (12L) increases, the pressure of the working gas passing through the normal regeneration sections (13Ha) and (13La) rises, so A part of the gas opens the gate valve (22) against the valve closing biasing force of the support means (23) and passes through the adjusting regeneration sections (13Hb) and (13Lb).

According to a third aspect of the present invention, in the above first aspect of the invention, the adjusting means (21) is provided with a working gas flow path in the adjusting regeneration sections (13Hb) and (13Lb) as shown in FIG. The flow path resistance portion (24) is narrower than the other portions. Then, as the mass flow rate of the working gas flowing through the communication passages (12H) and (12L) increases, the normal regeneration section (13H)
As the pressure of the working gas passing through a) and (13La) rises, a part of the working gas partially passes through the flow path resistance part (24).
The adjustment reproducing parts (13Hb), (13
It is configured to pass Lb).

According to a fourth aspect of the present invention, in the above-mentioned first aspect of the invention, as shown in FIGS. 5 and 6, the adjusting means (21) is provided with an end space (of the end regeneration space (13Ha), (13La). 25Ha), (25La) and adjusting reproducing section (13H
b), (13Lb) end space (25Hb), (25L
The restriction member (26) is defined by b) and has a large number of gate passages (26a) through which a working gas can pass. Further, a swirling means for swirling the working gas to swirl into the end spaces (25Ha), (25La) of the regular regeneration sections (13Ha), (13La) in cooperation with the restricting member (26), respectively. 27). And
As the mass flow rate of the working gas flowing through the communication passages (12H) and (12L) increases, the swirl momentum of the working gas increases, so that a part of the working gas causes a flow path resistance of the gate passage (26a). Against adjustment against the reproducing unit (13Hb), (13L
b) into the end spaces (25Hb), (25Lb),
The adjusting reproducing units (13Hb) and (13Lb) are configured to pass through.

According to the invention of claim 5, in the invention of claim 4, as shown in FIG. 7, the gate passage (26a) is provided.
Is extended substantially in the tangential direction of the swirl flow of the working gas in the end spaces (25Ha), (25La) of the regular regeneration parts (13Ha), (13La) and the adjustment regeneration part (13Hb),
The end spaces (25Hb) and (25Lb) of (13Lb) are formed by small holes having a tapered cross section.

According to a sixth aspect of the present invention, in the above-described first to fifth aspects, the adjusting reproducing sections (13Hb) and (13L) are used.
b) is an element (20Hb), (20Lb) having a porosity smaller than that of the normal regeneration section (13Ha), (13La).
Shall have.

[0021]

With the above structure, in the invention of claim 1, the working gas flowing through the communication passages (12H) and (12L) always passes through the normal regeneration sections (13Ha) and (13La), and the normal regeneration section ( At 13Ha) and (13La), the temperature is lowered by heat storage and the temperature is raised by heat radiation. Then, when the mass flow rate of the working gas in the communication passages (12H), (12L) increases, a part of the working gas is adjusted by the adjusting means (21) based on this, and the adjusting regeneration parts (13Hb), (13L).
b), so that the mass flow rate of the working gas passing through the normal regeneration sections (13Ha) and (13La) can be made constant. Therefore, when the mass flow rate of the working gas is low, it is mainly used in the normal regeneration section (13
Since heat is exchanged with the working gas only in a) and (13La), expansion of the dead volume is avoided, and thus optimization in proportion to the mass flow rate is achieved. on the other hand,
When the mass flow rate is high, the normal regeneration section (13Ha),
An increase in the mass flow rate of the working gas at (13La) is avoided and kept substantially constant. Therefore, in the Vilmier heat pump device, the rotation speed can be increased without increasing heat loss and flow loss in the regenerator, and the capacity control range of the heat pump device can be expanded while maintaining high efficiency.

In the invention of claim 2, the communication passage (12
H) and (12L) part of the working gas flows through the gate valve (22) supported by the supporting means (23) in the working gas passages of the adjusting regeneration sections (13Hb) and (13Lb). An attempt is made to open the valve against the closing force of the support means (23). When the mass flow rate of the working gas is small and the pressure of the working gas passing through the normal regeneration sections (13Ha) and (13La) is smaller than the valve closing biasing force, the gate valve (22) is at the valve closing position. Retained. Therefore, at this time, the working gas does not pass through the adjusting regenerators (13Hb) and (13Lb) but only passes through the regular regenerating units (13Ha) and (13La).
On the other hand, with the increase of the mass flow rate, the normal regeneration section (13H
a), the pressure of the working gas in (13Hb) rises,
When the pressure becomes larger than the valve closing urging force of the support means (23), a part of the working gas opens the gate valve (22) against the valve closing urging force, and the adjusting regeneration unit (13Hb). ),
It will pass through (13 Lb). Since the gate valve (22) is automatically opened in response to the increase in the pressure of the working gas, the normal regeneration parts (13Ha), (13La)
Thus, the pressure of the working gas, that is, the mass flow rate of the working gas becomes substantially constant. Therefore, it is possible to obtain the effect of the invention of claim 1 with a simple structure. Further, the opening timing of the gate valve (22) and the increase rate of the valve opening amount with respect to the rise of the pressure of the working gas are determined by the supporting means (2).
It can be easily changed depending on the magnitude of the valve closing biasing force of 3).

In the invention of claim 3, the communication passage (12
H), (12L) when a part of the working gas flows through the adjusting regeneration parts (13Hb), (13Lb),
Since the flow passage of the working gas is narrowed by the flow passage resistance portion (24), when the mass flow rate is small and the pressure of the working gas in the normal regeneration portions (13Ha), (13Hb) is small, the flow passage resistance portion is formed. Due to the flow path resistance of (24), passage through the adjusting regeneration parts (13Hb) and (13Lb) is suppressed, and as a result, the working gas is mainly used in the regular regeneration part (13Hb).
Only a) and (13La) are passed. On the other hand, when the mass flow rate of the working gas increases and the pressure of the working gas rises, a part of the working gas resists the flow passage resistance of the flow passage resistance portion (24), and the adjusting regeneration portion (13Hb), ( 13Lb) can be passed, and the passing amount will automatically increase in accordance with the increase in pressure. Therefore, the operation substantially similar to that of the invention of claim 2 can be performed with a simpler structure without using parts such as the gate valve and the supporting means.

According to a fourth aspect of the present invention, the normal reproduction section (1
3 Ha), (13 La) end space (25 Ha), (2
Part of the working gas that has flowed into the 5 La) is regulated by the regulating member (2
6) Passing through the gate passageway (26a) of the adjusting regeneration unit (1
3Hb), (13Lb) end space (25Hb), (2
5Lb). And the gate passage (2
When passing through 6a), the working gas receives flow path resistance. Therefore, when the mass flow rate of the working gas is small and the pressure thereof is small, the adjusting regeneration parts (13Hb), (13L)
Inflow into the end spaces (25Hb) and (25Lb) of b) is suppressed, and as a result, the adjusting regeneration unit (13Hb),
The amount of passing gas of (13 Lb) is suppressed. On the other hand, when the mass flow rate increases and the pressure rises, a part of the working gas resists the flow rate resistance of the gate passageway (26a) and the end space (25H) of the adjusting regeneration sections (13Hb) and (13Lb).
b), (25 Lb), the adjusting regeneration unit (13H
The amount of passing gas of b) and (13 Lb) comes to increase. The process up to this point is the same as the invention of claim 2 above.

At this time, the normal reproducing section (13Ha),
In the end spaces (25Ha) and (25La) of (13La), the swirling means (27) swirls the working gas in cooperation with the restriction member (26), so that the working gas has a swirling momentum. . Further, the swirling momentum increases with an increase in the mass flow rate of the working gas. Then, when the turning momentum increases, a part of the working gas is discharged to the gate passage (26
A regeneration part (13Hb) for adjustment against the flow path resistance of a),
The gas flows into the end spaces (25Hb) and (25Lb) of (13Lb). That is, since the change in the mass flow rate of the working gas is amplified by the change in the swirl momentum of the working gas, the passage amount of the working gas in the adjusting regeneration parts (13Hb) and (13Lb) is equal to the mass flow rate of the working gas. Will be automatically and quickly increased according to the increase. Therefore, when the mass flow rate of the working gas in the communication passages (12H) and (12L) increases, the normal regeneration section (13Ha),
It is possible to quickly make the mass flow rate of the working gas at (13 Hb) constant.

According to a fifth aspect of the present invention, the regular reproducing section (1
3 Ha), (13 La) end space (25 Ha), (2
The working gas swirling at 5 La) tends to flow in the tangential direction of the swirling flow. At this time, since the gate passage (26a) extends substantially tangentially to the swirling flow of the working gas, a part of the working gas effectively passes through the gate passage (26a) according to the swirling momentum. In addition, the gate passage (26a) has the adjusting reproducing portions (13Hb) and (13Lb).
Since the end space (25Hb), (25Lb) side is formed to have a tapered cross-section with a small diameter, the inflow amount of the working gas can be effectively suppressed when the swirling momentum of the working gas is small.

In the invention of claim 6, the communication passage (12
H), (12L), a part of the working gas is increased based on the increase in the mass flow rate of the working gas.
b) and (13Lb), the elements (20H) of the adjusting reproducing sections (13Hb) and (13Lb) are passed through.
b) and (20 Lb) have a porosity of the normal regeneration part (13H
Since it is smaller than those of a) and (13La), the auxiliary heat capacity can be secured with a small volume.

[0028]

Embodiments of the present invention will be described below with reference to the drawings.

(Embodiment 1) FIG. 2 shows the overall construction of a Vilmier heat pump device according to Embodiment 1. The heat pump device comprises a high temperature cylinder (1H) and a low temperature cylinder (1L) as cylinders that intersect each other at an intersecting angle of, for example, 90 °, and are integrally joined to each other by a partition wall of a crankcase (2). 1H), (1L)
Is closed in a substantially sealed state. A high temperature displacer (3H) is placed in the high temperature cylinder (1H), and a low temperature displacer (3L) is placed in the low temperature cylinder (1L).
Are reciprocatingly inserted.

Both displacers (3H), (3L)
Are connected by a connecting mechanism (4) as a connecting means so as to reciprocate with a phase difference of 90 °, for example. The coupling mechanism (4) has a crankshaft (5) supported on the crankcase (2) with a horizontal center of rotation, and the crankshaft (5) has a crankpin located in the crankcase (2). (5a) is provided. One end of the crank shaft (5) is drivingly connected to a starting motor (not shown). A substantially L-shaped link (5b) is pivotally supported at the bent portion of the crankpin (5a), and a base end of a high temperature rod (7H) is connected to one arm end of the link (5b). There is. The rod (7H) penetrates the rod insertion hole of the partition wall, and its tip is connected to the base end of the high temperature displacer (3H). At the other arm end of the link (5b), two links (6L
The base end of the low temperature rod (7L) is connected via a) and (6Lb), the rod (7L) penetrates the rod insertion hole of the partition wall, and its tip is coupled to the base end of the low temperature displacer (3L). Has been done. With these, both displacers (3H) and (3L) are connected to the cylinders (1H) and (1
By the intersection of L), it reciprocates with a predetermined phase difference (90 °).

The high temperature cylinder (1H) is partitioned by a high temperature displacer (3H) into a high temperature space (9H) on the front end side and a medium temperature space (10H) on the high temperature side on the base end side. The medium temperature space (10H) is different from the high temperature space (9H)
The cylinders (1H) are communicated with each other through a plurality of high-temperature communication passages (12H), each of which has a cylindrical inner peripheral wall space formed around the cylinder (1H). On the other hand, the low temperature cylinder (1L) is divided into a low temperature space (9L) on the front end side and a low temperature side medium temperature space (10L) on the base end side by a low temperature displacer (3L). The medium temperature space (10 L) is lower than the low temperature space (9 L),
It is communicated by a cylindrical low temperature communication passage (12L) formed around the cylinder (1L). The medium temperature space (10H) on the high temperature cylinder (1H) side and the low temperature cylinder (1H)
The medium temperature space (10L) on the L side is communicated with each other by the medium temperature part connecting pipe (11) forming a connection communication passage, and these high temperature, low temperature and medium temperature spaces (9H), (9L), (10
H) and (10 L) are filled with a working gas such as helium.

In the high temperature communication passage (12H), an annular high temperature regenerator (13H) consisting of a heat storage type heat exchanger,
As a plurality of heater tubes (14H) as a heater unit located on the high temperature space (9H) side of the regenerator (13H), and as a heat exchanger located on the medium temperature space (10H) side of the regenerator (13H). And a shell-and-tube type high temperature side intermediate temperature section heat exchanger (16H). Further, a combustion case (18) having a substantially sealed combustion space (18a) is integrally attached to the upper part of the cylinder (1H). A burner (17H) for burning the fuel to heat the working gas in the heater tube (14H) is provided at a portion of the combustion space (18a) in the combustion case (18) facing the heater tube (14H). It is arranged.

On the other hand, in the low temperature communication passage (12L), an annular low temperature regenerator (13) consisting of a heat storage type heat exchanger is used.
L), a cooler section (14L) composed of a shell-and-tube heat exchanger located on the low temperature space (9L) side of the regenerator (13L), and the medium temperature space (10L) side of the regenerator (13L). And a shell-and-tube type low temperature side intermediate temperature section heat exchanger (16L). Although not shown, an indoor unit for cooling the room is connected to the cooler section (14L) through a circulating water circulation pipe. Furthermore, the both heat exchangers (16H),
A hot water supply tank for heating tap water is connected to (16 L) through a circulating water circulation pipe.

In the heat cycle of the Vilmier heat pump device constructed as described above, a Ts diagram showing the relationship between the temperature (T) of the working gas and the entropy (s) is as shown in FIG. That is, in the high temperature side cycle, the working gas absorbs heat from the heater tube (14H) heated by the burner (17H) in the steps 1 → 2 and expands isothermally. 13H) and is cooled to an equal volume. Further, in Steps 3 → 4, heat is radiated through the high temperature side intermediate temperature section heat exchanger (16H) to perform isothermal compression.
In → 1, the isothermal heating is performed by the heat applied to the regenerator (13H). On the other hand, in the low temperature side cycle, the working gas is given isothermal cooling to the low temperature regenerator (13L) in the process 1 '→ 2', and is cooled in the process 2 '→ 3'in the cooler part (14L).
It absorbs heat from it and expands isothermally, and in the next step 3 '→ 4', isotherm is heated by the heat given to the regenerator (13L),
In the process 4 '→ 1', heat is radiated through the low temperature side intermediate temperature heat exchanger (16L) to perform isothermal compression. In the figure, (T
h) is the high temperature space (9H), (Tm) is the high temperature side and low temperature side medium temperature spaces (10H), (10L), and (T
c) has shown the temperature of each working gas of low temperature space (9L), respectively.

As a feature of the present invention, the high temperature regenerator (13H), as shown in FIG. 1, is a regular regeneration section (which exchanges heat with the working gas flowing through the high temperature communicating passage (12H) ( 13 Ha) and this regular reproduction section (13 H
a), which is provided in parallel with the regeneration unit for adjustment (13) for exchanging heat with the working gas flowing through the high temperature communication passage (12H).
Hb) and an adjusting means (2) for adjusting so that a part of the working gas passes through the adjusting regeneration part (13Hb) based on an increase in the mass flow rate of the working gas flowing through the communication passage (12H).
1) and are provided. And the adjusting means (21)
Is a gate valve (22) that opens and closes the flow path of the working gas that passes through the adjusting regeneration unit (13Hb), and the gate valve (2
2) is provided with an elastic support body (23) as a supporting means for urging and supporting the valve closing direction.
(H) As the mass flow rate of the working gas increases, the pressure of the working gas passing through the normal regeneration section (13Ha) rises, and a part of the working gas elastically supports the gate valve (22). It is configured to open the valve against the valve closing biasing force of the body (23).

Specifically, the high temperature regenerator (13H)
Has a cylindrical inner peripheral side casing (13Hc), an outer peripheral side casing (13Hd), and a partition wall (13He) located between both casings (13Hc) and (13Hd). , The stainless steel mesh element (20Ha) is stacked and filled between the inner casing (13Hc) and the partition wall (13He) to form the regular regeneration section (13Ha), and the outer casing (13Hd). The adjusting regeneration part (13Hb) is formed by stacking and filling the element (20Hb) between the partition wall (13He) and the partition wall (13He). At this time, the heat capacity of the normal regeneration section (13Ha) is optimized according to the self-sustaining operation at a rotation speed of 400 rpm, for example. Further, end spaces are formed at both upper and lower ends of the regenerator (13H), one end of the heater tube (14H) is formed in the upper end space, and the high temperature middle temperature part is formed in the lower end space. One end of each heat transfer tube (16Ha) of the heat exchanger (16H) is opened.

The lower end of the adjusting reproducing portion (13Hb), which faces the lower end space, is shielded by the shielding member (31) over the entire circumference and the periphery of the shielding member (31). Communication holes (32) are provided at multiple points in the direction,
The gate valve (22) and the elastic support (23) are arranged in the respective communication holes (32). That is, the gate valve (22) is supported by the elastic support (23) at the lower end of the partition wall (13He) so as to be swingable in the vertical direction while protruding outward in the radial direction. Further, a bushing (33) is attached to the periphery of the communication hole (32), and when the gate valve (22) is in the horizontal closed position, the gate valve (22) and the communication hole (32) are connected to each other. No gap is formed between them. Furthermore, the element (20Hb) of the adjusting regeneration part (13Hb) is provided in order to avoid interference with the gate valve (22) when the gate valve (22) swings upward. It is filled with a gap in the vertical direction between the shielding member (31). Then, when the high temperature cylinder (1H) moves toward the top dead center, the working gas flows from the high temperature space (9H) toward the high temperature side intermediate temperature space (10H). Therefore, as shown by a phantom line in FIG. The valve (22) is opened by the working gas in the direction of swinging downward. On the other hand, when the high temperature cylinder (1H) moves toward the bottom dead center, the valve is opened in the direction of swinging upward. Since the low-temperature regenerator (13L) has the same structure as the high-temperature regenerator (13H), the same parts are shown with parenthesized symbols in which R is replaced with L.

Therefore, according to the first embodiment, in the Vilmier heat pump device, first, the high temperature displacer (3H) in the high temperature cylinder (1H) and the low temperature displacer in the low temperature cylinder (1L) are rotated by the rotation of the starting motor. And (3L) are reciprocally moved with a predetermined phase difference from each other via the coupling mechanism (4). Then, the high temperature space (9
H), high temperature side medium temperature space (10H), low temperature side medium temperature space (1
Each pressure of the working gas in the cold space (0 L) and the cold space (9 L) is changed to form a thermal cycle. Accordingly, heat is absorbed in the heater section (14H) on the high temperature cylinder (1H) side and the cooler section (14L) on the low temperature cylinder (1L) side, and heat exchangers (16H), (16L) for the high temperature side and the low temperature side In), heat is released respectively. At this time, until the number of revolutions reaches the rated point which is the self-sustained operation point, the working gas is kept in the high temperature and low temperature regenerators (13H) and (13L) in the regular regeneration section (1).
After passing through 3 Ha) and (13 La), heat is transferred and received in these regular regeneration sections (13 Ha) and (13 La). Then, the heat capacities of the regenerators (13H) and (13L) are optimized with respect to the working gas mass flow rate at the rated speed, and the efficiency of the regenerators (13H) and (13L) is increased, so that the heat loss is small, and Since the flow loss is also suppressed to a small level, the heat pump device can be operated with high efficiency.

Further, if the rotational speed is raised above the rated point, the mass flow rate of the working gas increases, which increases the pressure of the working gas in the normal regeneration sections (13Ha) and (13La). For example, when the rated rotation speed is 400 rpm and the pressure of the working gas is 1 atm, the rotation speed is 800 r
Assuming that the pressure of the working gas is raised to 2 atm by increasing the pressure to pm, the gate valve (22) is opened against the valve closing biasing force of the elastic support body (21) due to the rise of the pressure, and the operation is performed. A part of the gas is a regenerator for adjustment (13Hb), (13Lb)
Will pass through. Therefore, the working gas is divided into two and passes through the normal regeneration sections (13Ha), (13Ha) and the adjustment regeneration sections (13Hb), (13Lb), respectively, and by this, the regenerator (13H). ),
Since the actual heat transfer area of (13 L) is expanded, it is possible to avoid a sudden increase in heat loss and flow loss despite the fact that the rotation speed is higher than the rated point, and as a result, the Wilmier heat pump The capacity control range of the device can be expanded while maintaining high efficiency.

When the mass flow rate of the working gas is small and the pressure of the working gas passing through the normal regeneration sections (13Ha), (13Ha) is smaller than the valve closing biasing force,
The gate valve (22) remains held in the closed position.
As a result, the working gas is supplied to the normal regeneration section (13Ha),
It is possible to pass only (13Ha). On the other hand, when the mass flow rate increases and the pressure of the working gas rises, the gate valve (22) is correspondingly opened against the valve closing biasing force of the elastic support body (23), whereby the adjustment is performed. The amount of working gas passing through the regeneration units (13Hb) and (13Ha) is automatically increased in accordance with the increase of the mass flow rate.
That is, the pressure of the working gas is controlled by the valve closing urging force of the gate valve (22) and is kept substantially constant, so that a rapid increase in heat loss and pressure loss due to an increase in rotation speed can be easily achieved. Although it is a configuration, it can be effectively avoided.
Further, the passage timing and passage amount of the working gas, that is, the opening timing and opening amount of the gate valve (22) can be easily changed by the magnitude of the valve closing biasing force of the elastic support (23). .

In the first embodiment, the adjusting regenerator (1
The adjusting means (21) consisting of the gate valve (22) and the elastic support (23) is provided on the medium temperature space (10H) side of 3 Hb), and this adjusting means (21) is the working gas in the adjusting regeneration part. It may be provided at an arbitrary position of the passage passage.

(Embodiment 2) FIG. 4 shows a high temperature regenerator (13H) according to a second embodiment. This regenerator (13H) is of the same annular type as in the first embodiment, and the same parts are the same. The code is attached.

As a feature of the present invention, in the high temperature regenerator (13H), the flow passage resistance portion (2) in which the flow passage of the working gas in the adjustment regeneration portion (13Hb) is narrower than the other portions.
4) is provided. And high temperature communication passage (12H)
As the mass flow rate of the working gas flowing through the working gas increases, the pressure of the working gas passing through the normal regeneration section (13Ha) rises, so that a part of the working gas partially flows through the flow path resistance section (24). It passes through the adjustment reproducing section (13Hb) against the resistance.

Specifically, the high temperature regenerator (13H)
Has a cylindrical inner peripheral side casing (13Hc) and an outer peripheral side casing (13Hd) opened in the vertical direction. Between the two casings (13Hc) and (13Hd), there is a partition wall (13He) having a large diameter at the upper portion, a small diameter at the lower portion, and a tapered middle portion, which has a tapered cross section. It is arranged. This partition wall (13H
The upper part of e) has a larger axial dimension than the lower part. Further, the radial gap size between the upper part of the partition wall (13He) and the outer peripheral casing (13Hd) is smaller than the radial gap size between the lower part and the inner casing (13Hc). There is. The flow path resistance portion (24) is formed by the gap between the upper portion of the partition wall (13He) and the outer peripheral casing (13Hd). Since the low-temperature regenerator (13L) has the same structure as the high-temperature regenerator (13H), the same parts are shown with parenthesized symbols in which R is replaced with L.

Therefore, according to the second embodiment, when the mass flow rate of the working gas flowing through the communication passages (12H) and (12L) is small, the adjusting regeneration parts (13Hb) and (13) are used.
The passage of the gas of Lb) is suppressed by the flow passage resistance of the flow passage resistance portion (24). As a result, the working gas mainly passes only through the normal regeneration portions (13Ha) and (13La), so that the regenerator (13H ), (13 L) heat capacity can be maintained in an optimal state. On the other hand, when the mass flow rate of the working gas is increased, a part of the working gas is adjusted in accordance with the increase in the pressure of the working gas passing through the normal regeneration parts (13Ha), (13La), and the adjustment regeneration parts (13Hb), ( 13Lb), which causes the normal reproduction section (13Ha),
The mass flow rate of the working gas at (13 La) can be kept substantially constant. Therefore, substantially the same effect can be achieved with a simpler structure without using the parts such as the gate valve and the supporting means in the case of the first embodiment.

In the second embodiment, the adjusting reproducing section (1
Although the flow path resistance portion (24) as an adjusting means is provided on the high temperature space (9H) side of 3Hb), this adjusting means should be provided at an arbitrary position of the passage passage of the working gas in the adjusting regeneration portion. You can

(Embodiment 3) FIG. 5 shows a high temperature regenerator (13H) according to a third embodiment. This regenerator (13H) is of the same annular type as in the first embodiment, and the same parts are the same. The code is attached.

As a feature of the present invention, in the high temperature regenerator (13H), the end space (25Ha) of the normal regenerating section (13Ha) and the end space of the adjusting regenerating section (13Hb) are provided at the upper and lower ends thereof, respectively. (25Hb) and a perforated plate (2) as a regulating member which has a large number of gate passages (26a) through which a working gas can pass, as shown in FIG.
6) is provided. In addition, the above-mentioned regular reproducing section (13H
A swirl port (27) is provided as a swirling means for swirling the working gas in cooperation with the perforated plate (26) into each end space (25Ha) of a). Then, as the swirl momentum of the working gas increases with an increase in the mass flow rate of the working gas flowing through the high-temperature communication passage (12H), a part of the working gas causes flow path resistance of the gate passage (26a). Adjusting reproduction part (13H
It flows into the end space (25Hb) of b) and passes through the adjusting reproducing section (13Hb).

Specifically, the high temperature regenerator (13H)
Has a cylindrical inner peripheral side casing (13Hc), an outer peripheral side casing (13Hd), and a partition wall (13He) located between both casings (13Hc) and (13Hd). , The stainless steel mesh element (20Ha) is stacked and filled between the inner casing (13Hc) and the partition wall (13He) to form the regular regeneration section (13Ha), and the outer casing (13Hd). And stainless steel mesh element (20Hb) between the partition and the partition wall (13He)
The regenerating part for adjustment (13Hb)
Are formed respectively. At this time, as the element (20Hb) of the adjusting reproducing unit (13Hb), the one having a larger mesh number than that of the element (20Ha) of the regular reproducing unit (13Ha) is used. The porosity of the element (20Hb) of the portion (13Hb) is smaller than that of the normal regeneration portion (13Ha). Perforated plates (26) are integrally provided at both upper and lower ends of the partition wall (13He), and the perforated plates (26) and the inner peripheral casing (13Hc) are integrated.
An end space (25Ha) of the regular regenerating part (13Ha) between the upper and lower ends of the regular regenerating part (13Ha), and an adjusting regenerating part (25Ha) between the perforated plate (26) and the upper and lower ends of the outer casing (13Hd). The end space (25 Hb) of 13 Hb) is partitioned and formed. In addition, the swirl port (27) is
Each end of the heater tube (14H) and the heat transfer tube (16Ha) is formed in a shape inclined toward the outer peripheral side of the cylinder (1H) toward the porous plate (26). still,
In the case of the low temperature regenerator (13L), the high temperature regenerator (13L)
Since it has the same configuration as H), the same parts are shown with parenthesized symbols in which R is replaced with L.

Therefore, according to the third embodiment, the normal regeneration section (13H) in the regenerators (13H) and (13L) is used.
a), (13La) end space (25Ha), (25L)
Part of the working gas that has flowed into a) passes through the gate passageway (26a) of the perforated plate (26) and the adjusting regeneration section (13H).
b), (13Lb) end space (25Hb), (25L
flow into b). Then, when passing through the gate passage (26a), it receives a flow passage resistance. Therefore, when the mass flow rate of the working gas is small and the pressure thereof is small, the end space (25H) of the adjusting regeneration sections (13Hb) and (13Lb) is
b), (25Lb) inflow is suppressed, and by this,
The amount of gas passing through the adjusting regenerators (13Hb) and (13Lb) is suppressed. On the other hand, when the mass flow rate increases and the pressure rises, a part of the working gas depends on the pressure and the end space (25H) of the adjusting regeneration parts (13Hb) and (13Lb).
Since it flows into b) and (25 Lb), it is possible to avoid an increase in heat loss and flow loss due to an increase in rotation speed.

Further, the regular reproducing section (13Ha),
In the end spaces (25Ha) and (25La) of (13La), the working gas flowing from the swirl port (27) toward the perforated plate (26) is guided by the perforated plate (26) to form a swirling flow. By doing so, it has a turning momentum. Therefore, a part of the working gas passes through the gate passage (26a) according to the turning momentum. Therefore, when the mass flow rate of the working gas increases, the adjusting regeneration unit (1
3Hb), (13Lb), it is possible to easily increase the passage amount of the working gas, and promptly avoid an increase in heat quantity loss and flow rate loss of the regenerators (13H), (13L) due to an increase in rotation speed. be able to.

Further, the adjusting reproducing section (13Hb),
The working gas that has flowed into the end spaces (25Hb) and (25Lb) of (13Lb) is the adjustment regeneration section (13Hb) and (1
3Lb), this adjustment reproducing unit (13H
b), (13Lb) elements (20Hb), (20
Since Lb has a smaller porosity than the elements (20Ha) and (20La) of the regular regeneration sections (13Ha) and (13La), the auxiliary heat capacity can be secured with a small volume.

(Fourth Embodiment) FIG. 7 shows a main part of a high temperature regenerator (13H) according to a fourth embodiment. This regenerator (13H) has substantially the same structure as that of the third embodiment, but is different. The point is that the perforated plate of Example 3 is changed to the swirl resistance plate (26).

That is, as a feature of the present invention, in the high temperature regenerator (13H), the end space (25Ha) of the regular regenerating section (13Ha) and the end space (25Hb) of the adjusting regenerating section (13Hb) are provided. , The swirl resistance plate (26) as a regulating member is partitioned, and the multiple gate passages (26a) of the resistance plate (26) are provided in the normal regeneration section (13).
The end space (25Hb) of Ha) extends in a substantially tangential direction of the swirling flow of the working gas, and the end space (25Hb) side of the adjusting regeneration part (13Hb) is formed of a small hole having a tapered cross section. There is. Since the low-temperature regenerator (13L) has the same structure as the high-temperature regenerator (13H), the same parts are shown with parenthesized symbols in which R is replaced with L.

Therefore, according to the fourth embodiment, the end spaces (25H) of the normal reproducing sections (13Ha) and (13La) are used.
The working gas swirling at a) and (25 La) tends to flow in the tangential direction of the swirling flow. At this time, since the gate passage (26a) extends substantially tangentially to the swirling flow of the working gas, a part of the working gas effectively passes through the gate passage (26a) according to the swirling momentum. In addition, the gate passage (26a) is provided with the adjusting regeneration portion (13Hb),
Since the end spaces (25Hb) and (25Lb) of (13Lb) are formed in a tapered cross section with a small diameter, when the turning momentum is small, the working gas is regenerated for adjustment (13).
Hb), (13 Lb) end space (25 Hb), (25
It is possible to effectively suppress the inflow into Lb).

(Fifth Embodiment) FIGS. 8 and 9 show a high temperature regenerator (13H) according to a fifth embodiment. This regenerator (13H)
Has a columnar shape, unlike the annular shape in the above-described first to fourth embodiments, and the configuration thereof is the same as that in the first embodiment.
The same parts are designated by the same reference numerals.

First, in the high temperature regenerator (13H), the high temperature cylinder (1) is connected to the communication pipe forming the high temperature communication passage (12H).
H) is connected to the outside of the casing, and has a cylindrical casing (13Hf) whose upper and lower ends are closed, has upper and lower ends opened and has a smaller diameter than the casing (13Hf) and has an axial length. A cylindrical partition wall (13Hg) having a small size and opened at both upper and lower ends is fitted and inserted. Then, the element (20Ha) is laminated and filled inside the partition wall (13Hg), so that the regular regeneration section (13Ha) is provided, and the element (20Hb) is provided between the casing (13Hf) and the partition wall (13Hg). Are stacked and filled to form the adjustment reproducing portions (13Hb).

A feature of the present invention is that the adjusting reproducing section (1Hb) is provided at the lower end of the adjusting reproducing section (13Hb).
A gate valve (22) for opening and closing the flow path of the working gas passing through 3 Hb), and an elastic support member (23) as a supporting means for urging and supporting the gate valve (22) in the valve closing direction. It is provided. Since the low-temperature regenerator (13L) has the same structure as the high-temperature regenerator (13H), the same parts are shown with parenthesized symbols in which R is replaced with L.

Therefore, the fifth embodiment can also achieve the same effects as the first embodiment.

(Sixth Embodiment) FIGS. 10 to 12 show a high temperature regenerator (13H) according to a sixth embodiment.
H) has the same columnar shape as that of the fifth embodiment, and its configuration is the same as that of the second embodiment. Therefore, the same parts are denoted by the same reference numerals.

A feature of the present invention is that the regenerator (13
H) is provided with a flow path resistance part (24) in which the flow path of the working gas in the adjusting regeneration part (13Hb) is narrower than other parts, and the flow resistance of the working gas flowing in the high temperature communication path (12H) is increased. As the mass flow rate increases, the pressure of the working gas passing through the normal regeneration section (13Ha) rises, and a part of the working gas resists the flow path resistance of the flow path resistance section (24). It passes through the adjustment reproducing section (13Hb).

Specifically, the casing (13Hf) has a substantially vertical opening between the regular reproducing section (13Ha) located on the inner peripheral side and the adjusting reproducing section (13Hb) located on the outer peripheral side. A cylindrical partition wall (13Hg) is arranged, and while this partition wall (13Hg) has a large diameter at the top,
The lower portion has a small diameter, and the middle portion has a tapered cross-section that expands upward. And this partition wall (13
The flow path resistance part (24) is formed by a radial gap formed between the upper part of Hg) and the casing (13Hf).
Are configured. Since the low-temperature regenerator (13L) has the same structure as the high-temperature regenerator (13H), the same parts are shown with parenthesized symbols in which R is replaced with L.

Therefore, according to the sixth embodiment as well, the same operational effects as those of the second embodiment can be obtained.

(Embodiment 7) FIGS. 13 to 15 show a high temperature regenerator (13H) according to the seventh embodiment.
H) has the same columnar shape as in the fifth and sixth embodiments and its configuration is the same as that of the third embodiment, and therefore the same parts are designated by the same reference numerals.

A feature of the present invention is that the normal regeneration unit (13Ha) is provided at both upper and lower ends of the high temperature regenerator (13H).
(2) A perforated plate (2) having a large number of gate passages (26a) which partition an end space (25Ha) of the control unit and an end space (25Hb) of the adjusting regeneration unit (13Hb) and through which a working gas can pass.
6) is provided. In addition, the regular reproduction section (13Ha)
In each end space (25Ha) of the above, a swirl port (27) is provided which allows the working gas to swirlly flow in cooperation with the perforated plates (26). further,
The adjusting reproducing section (13Hb) includes a regular reproducing section (13Hb).
An element (20Hb) having a porosity higher than that of Ha) is provided.

Specifically, the perforated plate (26) is formed in a cylindrical shape having the same diameter as the partition wall (13Hg). Then, on the inner peripheral side of the perforated plate (26), the normal reproduction section (13H
The end space (25Ha) of a) is located between the perforated plate (26) and the casing (13Hf), and the adjusting regeneration part (13H).
The end space (25Hb) of b) is formed, respectively. In addition, the upper swirl port (27) is shown in FIG.
As shown in FIG. 7, the swirl port (27) on the lower side in the counterclockwise direction with respect to the upper end surface of the regular regenerating section (13Ha).
As shown in FIG. 15, the working gas is swirled in the clockwise direction with respect to the lower end surface. Since the low-temperature regenerator (13L) has the same structure as the high-temperature regenerator (13H), the same parts are shown with parenthesized symbols in which R is replaced with L.

Therefore, this seventh embodiment can also achieve the same effects as the third embodiment.

Incidentally, in the above-mentioned Examples 1 to 7, the regular reproducing section (13Ha) is arranged on the inner peripheral side and the adjusting reproducing section (13Hb) is arranged on the outer peripheral side. You may arrange each.

Further, of the above-described first to seventh embodiments, only the third embodiment has the adjusting reproducing sections (13Hb), (13Hb).
Lb) is an element (20Hb), (20Lb) whose porosity is smaller than that of the normal regeneration section (13Ha), (13La)
However, the same configurations may be adopted in the first, second, and fourth to seventh embodiments.

[0070]

As described above, according to the first aspect of the present invention, the high temperature side communication passage for communicating the high temperature space and the high temperature side medium temperature space of the Vilmier heat pump device with the low temperature side medium temperature space and the low temperature space are formed. In the regenerators respectively disposed in the low-temperature communication passages that communicate with each other, a normal regeneration unit that exchanges heat and heat with the working gas in the communication passage, and a regular regeneration unit that is provided in parallel with the normal regeneration unit An adjusting regenerator that exchanges heat with the working gas, and an adjustment so that a part of the working gas passes through the adjusting regenerator based on an increase in the mass flow rate of the working gas flowing through the communication passage. Since it is provided with an adjusting means for adjusting the operating gas, it is mainly used only in the normal regeneration section when the mass flow rate of the working gas is low, and when the mass flow rate is high, a part of the working gas is passed to the adjustment regeneration section for normal regeneration. In the department As a result of being able to stabilize the mass flow rate, it is possible to avoid a sudden increase in heat loss and flow loss in the high rotation range even though the dead volume is the same as the rated point optimum design specifications. The capacity control range of the heat pump device can be expanded while maintaining high efficiency.

According to the second aspect of the present invention, the adjusting means supports the gate valve that opens and closes the flow path of the working gas passing through the adjusting regeneration portion, and urges the gate valve in the valve closing direction. And a support means, and a part of the working gas supports the gate valve in response to an increase in the working gas mass flow rate in the communication passage and a rise in the pressure of the working gas passing through the normal regeneration section. Since the valve is opened against the closing valve urging force to pass through the adjusting regeneration unit, the passage amount in the adjusting regeneration unit can be adjusted according to the mass flow rate of the working gas. Not only the effect according to the invention of Item 1 can be obtained with a simple structure, but also the passage amount of the working gas can be automatically increased or decreased according to the mass flow rate of the working gas, and the valve closing of the supporting means is possible. By adjusting the biasing force, It is possible to easily change the overdose.

According to the third aspect of the present invention, the adjusting means is a flow passage resistance portion in which the flow passage of the working gas in the adjusting regeneration portion is narrower than other portions, and the mass flow rate of the working gas in the communicating passage is increased. Along with the increase in the pressure of the working gas in the normal regeneration section, a part of the working gas passes through the adjusting regeneration section against the flow resistance in the flow resistance section. Can be further simplified.

According to the fourth aspect of the present invention, the adjusting means has a large number of gate passages that partition the end space of the regular regenerating section and the end space of the adjusting regenerating section and allow the working gas to pass therethrough. On the other hand, while providing a restricting member, swirling means for causing the working gas to swirlly flow into each end space of the normal regeneration section in cooperation with the restricting member is provided to increase the mass flow rate of the working gas in the communication passage. Along with this, as the swirl momentum of the working gas increases, a part of the working gas flows into the end space of the adjusting regenerator against the flow path resistance in the gate passage, and the adjusting regenerator Since it has a simple structure, it is possible to automatically and promptly increase the passage amount of the working gas in the adjusting regeneration unit in accordance with the increase in the mass flow rate, even though it has a simple structure.

According to the invention of claim 5, the gate passage is formed by a small hole having a tapered cross-section, which extends substantially in the tangential direction of the swirling flow of the working gas and has a small diameter on the end space side of the adjusting regenerating portion. Therefore, the working gas can be effectively made to flow into the end space of the adjusting regeneration portion in accordance with the turning momentum, while the inflow can be effectively suppressed when the turning momentum is small.

According to the invention of claim 6, since the adjusting regenerator has an element having a porosity smaller than that of the regular regenerator, the mass flow rate of the working gas increases and a part of the working gas is generated. The auxiliary heat quantity can be ensured with a volume as small as possible when passing through the adjusting regeneration unit.

[Brief description of drawings]

FIG. 1 is a partially cutaway perspective view of a high temperature regenerator of a Vilmier heat pump device according to a first embodiment of the present invention.

FIG. 2 is a vertical cross-sectional view showing the overall configuration of a Vilmier heat pump device.

FIG. 3 is a Ts diagram of the Wilmier heat pump cycle.

4 is a view corresponding to FIG. 1 showing a high temperature regenerator according to a second embodiment of the present invention.

FIG. 5 is a vertical sectional view showing a high temperature regenerator according to a third embodiment of the present invention.

FIG. 6 is a perspective view showing a partially cutaway porous plate of the high temperature regenerator.

FIG. 7 is a transverse sectional view partially showing a swirl resistance plate of a high temperature regenerator according to a fourth embodiment of the present invention.

FIG. 8 is a side view showing a high temperature regenerator according to a fifth embodiment of the present invention with a part thereof cut away.

9 is a sectional view taken along line IX-IX in FIG.

FIG. 10 is a side view showing a high temperature regenerator according to a sixth embodiment of the present invention with a part thereof cut away.

11 is a sectional view taken along line XI-XI of FIG.

12 is a sectional view taken along line XII-XII in FIG.

FIG. 13 is a side view showing a high temperature regenerator according to Embodiment 7 of the present invention with a part thereof cut away.

14 is a sectional view taken along line XIV-XIV in FIG.

15 is a sectional view taken along line XV-XV in FIG.

FIG. 16 is a diagram illustrating heat loss in the regenerator.

FIG. 17 is a diagram showing heat loss in a conventional regenerator at a rated rotation speed or higher.

FIG. 18 is a diagram showing pressure loss in a conventional regenerator at a rated rotation speed or higher.

[Explanation of symbols]

 (1H) High temperature cylinder (3H) High temperature displacer (9H) High temperature space (10H) High temperature side medium temperature space (12H) High temperature communication passage (13H) High temperature regenerator (13Ha) Regular regeneration section (25Ha) End space (13Hb) Adjustment Regeneration part (25Hb) End space (20Hb) Element (14H) Heater tube (heater part) (16H) High temperature side heat exchanger (1L) Low temperature cylinder (3L) Low temperature displacer (9L) Low temperature space (10L) Low temperature side Medium temperature space (12L) Low temperature passage (13L) Low temperature regenerator (13La) Regular regeneration part (25La) End space (13Lb) Adjustment regeneration part (25Lb) End space (20Lb) Element (14L) Cooler part (16L) ) Low temperature side heat exchanger (4) Connection mechanism (connection means) (11) Middle temperature connection pipe (connection communication passage) (21 Adjusting means (22) Gate valve (23) Elastic support (supporting means) (24) Flow path resistance part (26) Perforated plate, swirl resistance plate (regulating member) (26a) Gate passage (27) Swirl port (swirl means )

Claims (6)

[Claims] 1. A high-temperature cylinder (1H) is partitioned and formed by a high-temperature displacer (3H) which is reciprocally fitted in the high-temperature cylinder (1H). The high-temperature space (9H) and the high-temperature space are filled with working gas, respectively. A heater section (1) for communicating the side medium temperature space (10H), the high temperature space (9H), and the high temperature side medium temperature space (10H) with each other and absorbing heat to the working gas.
4H) and the high temperature side heat exchanger that radiates heat to the working gas (16
H) are respectively arranged in the high temperature communication passage (12H), and the low temperature cylinder (1L) is partitioned by a low temperature displacer (3L) that is reciprocally fitted therein. The low temperature side medium temperature space (10L) and the low temperature space (9L), which are filled with, and the low temperature side medium temperature space (10L) and the low temperature space (9L) are communicated with each other, and the low temperature side heat exchanger for radiating the working gas ( 16L) and a cooler part (14) for absorbing heat to the working gas
L), the low temperature communication passage (12L), the high temperature side medium temperature space (10H) and the low temperature side medium temperature space (1).
Vilmier provided with a connecting communication passage (11) for connecting 0L) to each other and a connecting means (4) for connecting the high temperature and low temperature displacers (3H), (3L) so as to reciprocate with a predetermined phase difference. For the heat pump device, a high temperature communication passage (12H) between the heater section (14H) and the high temperature side heat exchanger (16H) and a low temperature side heat exchanger (16).
L) and the cooler section (14L) between the low temperature communication path (12
L), each of the heat of the working gas from the high temperature space (9H) to the high temperature side medium temperature space (10H) and the temperature of the working gas from the low temperature side medium temperature space (10L) to the low temperature space (9L). While storing heat to lower the temperature of the working gas, the working gas heading from the high temperature side medium temperature space (10H) to the high temperature space (9H),
And a regenerator configured to radiate the accumulated heat of heat to the working gas flowing from the low temperature space (9L) to the low temperature side medium temperature space (10L) to raise the temperature of the working gas, the communication passage (12H), Regular regeneration section (13Ha), (1), which exchanges heat with the working gas flowing through (12L).
3La) and the normal regeneration section (13Ha), (13La) provided in parallel with each other, and an adjustment regeneration section (13H) for exchanging heat with the working gas flowing through the communication passages (12H), (12L).
b), (13Lb) and the mass flow rate of the working gas flowing through the communication passages (12H), (12L), part of the working gas causes the adjusting regeneration parts (13Hb), (13Lb) to flow. A regenerator for a Wilmier heat pump device, comprising: an adjusting means (21) for adjusting the passage. 2. The regenerator for a Wilmie heat pump device according to claim 1, wherein the adjusting means (21) comprises an adjusting regenerating section (13Hb), (1).
3Lb), a gate valve (22) for opening and closing the flow path of the working gas, and a supporting means (23) for urging and supporting the gate valve (22) in the valve closing direction. With the increase in the mass flow rate of the working gas flowing through the passages (12H) and (12L), the normal regeneration sections (13Ha) and (13L)
As the pressure of the working gas passing through a) rises,
A part (2) of the working gas supports the gate valve (22).
3) The valve is opened against the closing force of the closing valve, and the adjusting regeneration unit (1
3Hb), (13Lb), and a regenerator for a Wilmier heat pump device. 3. The regenerator for a Wilmie heat pump device according to claim 1, wherein the adjusting means (21) comprises an adjusting regenerating section (13Hb), (1).
3Lb) is a flow passage resistance portion (24) in which the flow passage of the working gas is narrower than other portions, and the normal regeneration portion is provided as the mass flow rate of the working gas flowing through the communication passages (12H) and (12L) increases. (13Ha), (13L
As the pressure of the working gas passing through a) rises,
A part of the working gas is constructed so as to pass through the regeneration units (13Hb) and (13Lb) for adjustment against the flow resistance of the flow resistance unit (24). Device regenerator. 4. The regenerator of the Vilmier heat pump device according to claim 1, wherein the adjusting means (21) comprises regular regenerating sections (13Ha), (13).
La) end spaces (25Ha), (25La) and adjustment reproducing parts (13Hb), (13Lb) end spaces (25H).
b), (25 Lb) and a restricting member (2) having a large number of gate passages (26 a) through which a working gas can pass.
6) is a swirl for causing working gas to swirl into the end spaces (25Ha), (25La) of the normal regeneration sections (13Ha), (13La) in cooperation with the restriction member (26). A means (27) is provided, and as the mass flow rate of the working gas flowing through the communication passages (12H) and (12L) increases, the swirling momentum of the working gas increases. (26A) adjusting regeneration parts (13Hb) and (13L) against the flow path resistance.
b) into the end spaces (25Hb), (25Lb),
A regenerator for a Wilmier heat pump device, characterized in that the regenerator for adjustment (13Hb), (13Lb) is configured to pass through. 5. The regenerator of the Vilmier heat pump device according to claim 4, wherein the gate passage (26a) comprises a regular regeneration section (13Ha),
End spaces (25Ha) of (13La), extending substantially tangential to the swirling flow of the working gas in (25La) and end spaces (25H) of the regenerating parts (13Hb), (13Lb).
b), (25 Lb) side is a small hole having a tapered cross-section with a small diameter, a regenerator for a Wilmier heat pump device. 6. The regenerator of the Wilmie heat pump device according to claim 1, 2, 3, 4 or 5, wherein the adjusting regeneration parts (13Hb), (13Lb) are regular regeneration parts (13Ha), (13La). A regenerator for a Wilmie heat pump device having elements (20Hb) and (20Lb) having a smaller porosity than the above.