30results about How to "Solve the tube explosion problem" patented technology

An embedded boosting vacuum thermal pipe heat collection element pressure reduction stagnation protector is formed by a stagnation protection heat transfer channel comprising a heat radiation patch, a heat absorbing part, a thermal sensitive permanent magnetic steel driver and middle pieces, and is characterized in that the thermal sensitive permanent magnetic steel driver comprises a thermal sensitive permanent magnetic steel soft iron driver pair and a double-metal sheet boosting part; an embedded boosting straight cylinder vacuum thermal pipe heat collection element reduces the pressure of the stagnation protector, is formed by a boosting thermal driver and a heat conduction straight cylinder, and is characterized in that the boosting thermal driver comprises the double-metal sheet boosting part, thermal sensitive permanent magnetic steel and soft iron; and the soft iron is in transmission connection with a heat transfer straight cylinder. The double-metal sheet boosting part helps the thermal sensitive permanent magnetic steel soft iron pair suck when the state of the thermal sensitive magnetic steel is converted from demagnetized into magnetic. The problem that soft iron is too far from the thermal sensitive permanent magnetic steel 8 to normally work is solved. According to the invention, only the low-power stagnation protector can ensure that pressure of steam in the hot pipes is not greater than double atmospheric pressure always, and is high in reliability.

An embedded pressure reduction idle sunning protector for a heat collecting element with middle boosting sheets and a vacuum heat pipe comprises sunning protection heat transfer channels and is placed in a temperature vacuum heat-insulation layer of the heat collecting element. The heat transfer channels comprise radiating patches, heat absorbing parts, heat-sensitive permanent magnet steel driving devices and the middle sheets; and each sunning protection heat transfer channel has two stable states including a starting heat-conduction state and a closing heat-insulation state, and the middle sheets are synchronously or asynchronously in heat transfer connection with the heat absorbing parts and the radiating patches in the starting heat-conduction states or the closing heat-insulation states. The embedded pressure reduction idle sunning protector is characterized in that the radiating patches are provided with heat transfer interfaces arranged among the inner surface of a circular sealed end of a covering glass pipe and the middle sheets, the heat-sensitive permanent magnet steel driving devices comprise heat-sensitive permanent magnet steel and soft iron driving pairs and bimetal sheet boosting components; and the bimetal sheet boosting components deform to assist in pushing the permanent magnet steel and soft iron driving pairs to be actuated in a cooling procedure when heat-sensitive permanent magnet steel in a demagnetized state is switched into a magnetized state. The embedded pressure reduction idle sunning protector has the advantages that the low-power heat transfer channels can guarantee that the pressure of steam in the heat pipe is not higher than twice the atmospheric pressure during idle sunning, and the embedded pressure reduction idle sunning protector is high in reliability.

An embedded type straight-barrel vacuum heat pipe heat collecting element pressure-reducing idle sunning protector consists of more than one idle sunning protection heat transfer channels and is arranged in a vacuum heat-insulating layer at the tail end of a vacuum heat pipe heat collecting element. Each idle sunning protection heat transfer channel consists of a heat radiating paster, a heat sink, a heating power drive device provided with an interface in heat-transfer connection with a heat pipe or an inner glass pipe, and a middle piece in transmission connection with the heating power drive device or integrally manufactured with the heating power drive device. The embedded type straight-barrel vacuum heat pipe heat collecting element pressure-reducing idle sunning protector has two types of stable states, namely an opening heat-conducting state when the middle piece is in heat-transfer connection with the heat sink and the heat radiating paster at the same time, and a closed heat-insulating state when the middle piece is not in heat-transfer connection with the heat sink and the heat radiating paster at the same time. The embedded type straight-barrel vacuum heat pipe heat collecting element pressure-reducing idle sunning protector is characterized in that the heat radiating paster includes an interface connected with the inner surface of the bottom end position of a cover glass pipe round sealing end and an interface performing heat transfer with the middle piece. Water vapor pressure inside a 70-watt heat collecting element heat pipe can be ensured not to exceed two atmospheric pressures through one idle sunning protector with10-watt heat radiating power, and the reliability is high.

The invention discloses a pressure reducing air sunning protecting all-glass vacuum heat pipe solar heat collection device, which is composed of a pressure reducing air sunning protecting all-glass vacuum heat pipe heat collection element, an insulation water tank and a tail box, wherein the pressure reducing air sunning protecting all-glass vacuum heat pipe heat collection element is formed through arranging an air sunning protector in a vacuum insulation layer at the tail end of the heat collection element; the air sunning protector is composed of a thermal force driving device connected with the heat ends of the heat pipe in a heat transmission manner, and a heat transmission straight drum connected with the thermal force driving device in a transmission manner or manufactured together with the thermal force driving device into an integrality; and the thermal driving device comprises a thermosensitive permanent magnet steel driving device, a bimetallic strip driving device, a memory alloy driving device and a diaphragm capsule driving device. The pressure reducing air sunning protecting all-glass vacuum heat pipe solar heat collection device is characterized in that the heat transmission straight drum is connected with the bottom end of the hot end of the heat pipe directly or connected with the bottom end through a heat sink in low thermal resistance by adopting a a one-dimensional sliding pair; and the shape of the outer end part coincides with that of the inner surface of the tail end of a cover glass pipe. The pressure reducing air sunning protecting all-glass vacuum heat pipe solar heat collection device can ensure that the pressure inside the heat pipe is always at most twice as big as the atmospheric pressure by adopting a small power air sunning protector; and the normal work of the heat collection is not affected.

A working medium high-position gathering pressure-reduction heat collection device for protecting an all-glass vacuum heat pipe from stagnation comprises a pressure-reduction stagnation protecting all-glass vacuum heat pipe heat collection component and a heat insulation water tank, wherein the pressure-reduction stagnation protecting all-glass vacuum heat pipe heat collection component is produced by arranging a stagnation protector inside a vacuum heat insulation layer which is positioned at the tail end of an all-glass vacuum heat pipe heat collection component; the stagnation protector comprises a heating power driving device and a heat transfer straight cylinder, and is characterized in that the heat transfer straight cylinder is connected with the bottom end of the hot end of a heat pipe directly or through a heat sink by adopting a one-dimensional sliding pair structure at a low heat resistance; the shape of the outer end part of the heat transfer straight cylinder coincides with that of an inner surface of a tail end of a shield glass tube; and the heat pipe comprises a sparse core mesh formed by a plurality of slim capillary liquid absorbing cores 2-10 mm in width; According to the invention, the low power stagnation protector is adopted to ensure that the water vapor pressure inside the heat pipe is never larger than two times of the barometric pressure; and the sparse core mesh is arranged inside the heat pipe to shorten the starting time of the heat pipe to over 10 minutes from over 140 minutes of an original bare tube, so that the time of heat collection can be increased by 1 hour everyday in winter.

A working medium high-position boosting pressure-reduction heat collection component for protecting an all-glass vacuum heat pipe from stagnation comprises a heat collection component and a boosting stagnation protector, and is characterized in that a heat transfer straight cylinder is connected with the hot end of a heat pipe at a low heat resistance by adopting a one-dimensional sliding pair; the outer end part of the heat transfer straight cylinder coincides with an inner surface of a tail end of a shield glass tube; a boosting heating power driving device comprises a bimetallic strip boosting part, temperature-sensitive permanent magnet steel and soft iron; the temperature-sensitive permanent magnet steel is connected with the heat pipe in low heat resistance; the soft iron is in transmission connection with the heat transfer straight cylinder; the bimetallic strip boosting part boosts the absorption and combination of a driving pair of the temperature-sensitive permanent magnet steel and the soft iron when the temperature-sensitive permanent magnet steel transforms from a magnetic loss state to a magnetic state; and the heat pipe comprises a sparse core mesh. According to the invention, the low power stagnation protector is adopted to ensure that the water vapor pressure inside the heat pipe is never larger than two times of barometric pressure; the sparse core mesh is arranged inside the heat pipe to shorten the starting time of the heat pipe to over 10 minutes from over 140 minutes, so that the time of heat collection can be increased by 1 hour everyday in winter; and the bimetallic strip boosting part gives full play to the advantage of large attractive force of the temperature-sensitive permanent magnet steel and the advantage of long pushing force distance of a bimetallic strip.

An embedded type straight-barrel vacuum heat pipe heat collecting element pressure-reducing idle sunning protector comprises a heating power drive device and a heat transfer straight barrel and is arranged in a vacuum heat-insulating layer at the tail end of a vacuum heat pipe heat collecting element. The idle sunning protector has two types of stable states, namely an opening heat-conducting state when the heat transfer straight barrel extends out of the tail end of a heat transfer connecting cover glass pipe, and a closed heat-insulating state when the heat transfer straight barrel retracts from the tail end of the heat transfer connecting cover glass pipe. The heating power drive device comprises a thermo-sensitive permanent magnet steel drive device, a double-metal-piece drive device, a memory alloy drive device and a capsule drive device. The embedded type straight-barrel vacuum heat pipe heat collecting element pressure-reducing idle sunning protector is characterized in that the heat transfer straight barrel is connected with the bottom end position of the heat end of an inner glass pipe or a heat pipe through a one-dimensional sliding pair resistor and can move horizontally. The outer end portion of the heat transfer straight barrel is matched with the inner surface of the tail end of the cover glass pipe in shape. The water vapor pressure inside the heat pipe can be ensured not to exceed two atmospheric pressures through one small-power idle sunning protector, and the reliability is high.

A vacuum heat collection element with a middle piece pressure-reducing air drying protector is formed by arranging a middle piece pressure-reducing air drying protector in a vacuum thermal insulating layer between the tail end of a shade glass tube of a full-glass vacuum heat collection pipe and the tail end of an inner glass tube, wherein the middle piece pressure-reducing air drying protector comprises more than one air drying protection heat transmission channel; the air drying protective heat transmission channel comprises a heat dissipation paster, a heat sink, a heat power driving component with an interface in heat transmission connection with the inner glass tube, and a middle piece rotationally connected with or produced integrally with the heat power driving component; the air drying protection heat transmission channel has two stable states, namely an open heat conduction state in which the middle piece is in heat transmission connection with the heat sink and the heat dissipation paster simultaneously, and a close heat insulation state in which the middle piece is not in heat transmission connection with the heat dissipation paster and the heat sink simultaneously. The vacuum heat collection element is characterized in that the heat dissipation paster comprises a low thermal resistance connection interface connected with the shade glass tube round end inner surface, and a heat transmission interface connected with the middle piece. The element ensures that the pressure of a 70-watt heat collection element does not surpass 2 barometric pressures by using 10-watt heat dissipation power, and is high in reliability.

A boosted pressure-reduced air-drying protecting full-glass vacuum heat-pipe solar collector device consists of a high-grade working medium boosted pressure-reduced air-drying protecting full-glass vacuum heat-pipe collector element, a heat-insulating water tank and a tail box, wherein the high-grade working medium boosted pressure-reduced air-drying protecting full-glass vacuum heat-pipe collector element is provided with a boosted air-drying protector inside a heat collection element vacuum heat-insulating layer; the boosted air-drying protector is formed through transmission connection of a boosted thermal driving component with a heat-transferring straight barrel; the boosted pressure-reduced air-drying protecting full-glass vacuum heat-pipe solar collector device is characterized in that the heat-transferring straight barrel is in low thermal resistance connection with the bottom end of a hot end of a heat pipe by using a one-dimensional moving pair structure; a boosted thermal driving component comprises a bimetal boosting component, heat-sensitive permanent magnetic steel and soft iron; the bimetal boosting component helps to drive the heat-sensitive permanent magnetic steel and the soft iron driving pair to attract each other when the heat-sensitive permanent magnetic steel is changed from a magnetic loss state to a magnetic state; and the heat pipe comprises a sparse core network. Through a small-power air-drying protector, the pressure inside the heat pipe can be ensured to not exceed 2 atmospheric pressures; and through the sparse core network, the startup time of the heat pipe is shortened from more than 140 minutes to more than 10 minutes, so that in winter, the heat collecting time every day is 1 hour longer.

An embedded boosting vacuum thermal pipe heat collection element pressure reduction stagnation protector is formed by a stagnation protection heat transfer channel comprising a heat radiation patch, a heat absorbing part, a thermal sensitive permanent magnetic steel driver and middle pieces, and is characterized in that the thermal sensitive permanent magnetic steel driver comprises a thermal sensitive permanent magnetic steel soft iron driver pair and a double-metal sheet boosting part; an embedded boosting straight cylinder vacuum thermal pipe heat collection element reduces the pressure of the stagnation protector, is formed by a boosting thermal driver and a heat conduction straight cylinder, and is characterized in that the boosting thermal driver comprises the double-metal sheet boosting part, thermal sensitive permanent magnetic steel and soft iron; and the soft iron is in transmission connection with a heat transfer straight cylinder. The double-metal sheet boosting part helps the thermal sensitive permanent magnetic steel soft iron pair suck when the state of the thermal sensitive magnetic steel is converted from demagnetized into magnetic. The problem that soft iron is too far from the thermal sensitive permanent magnetic steel 8 to normally work is solved. According to the invention, only the low-power stagnation protector can ensure that pressure of steam in the hot pipes is not greater than double atmospheric pressure always, and is high in reliability.

Disclosed is a vacuum heat accumulation component with a hot-fin pressure-reduction air-drying protector. The hot-fin pressure-reduction air-drying protector is arranged in a vacuum insulation layer between a cover glass tube of a full-glass vacuum heat accumulation tube and the tail end of an inner glass tube and comprises a plurality of controllable heat conduction channels, and each controllable heat conduction channel is composed of thermosensitive permanent-magnet steel, a soft-iron hot fin and a connecting snap spring. The vacuum heat conduction component is characterized in that fixed edges of the soft-iron hot fins are in low-thermal-resistance connection with the tail end of the inner glass tube or the heat bottom end of a heat tube. The thermosensitive permanent-magnet steel is disposed below movable edges of the soft-iron hot fins. When the thermosensitive permanent-magnet steel loses magnetism or not, the soft-iron hot fins can be attracted to bend downwardly by the thermosensitive permanent-magnet steel or raise upwardly under the action of self elasticity, and the movable edges of the soft-iron hot fins are in heat transfer connection with the cover glass tube or not. The small-power air-drying protector can guarantee pressure of the heat tube not to exceed 2 atmospheric pressures.

Disclosed is a vacuum heat collection element with a lever pressure reduction idle sunning protector. The lever heat fin pressure reduction idle sunning protector is arranged in a vacuum heat insulating layer between the tail end of a cover glass tube of an all-glass vacuum heat collection tube and the tail end of an inner glass tube, the lever pressure reduction idle sunning protector comprises a plurality of controllable heat transfer channels, and each controllable heat transfer channel comprises heat-sensitive permanent magnet steel, a soft iron heat fin, a transmission lever and a connecting clamp spring. The vacuum heat collection element is characterized in that a fixed edge of the soft iron heat fin is connected with the tail end of the inner glass tube by low heat resistance, the middle of the transmission lever is positioned above the heat-sensitive permanent magnet steel, and a free end of the transmission lever extends into the lower side of a movable edge of the soft iron heat fin. When the heat-sensitive permanent magnet steel has / loses magnetism, the transmission lever is attracted to drop by the heat-sensitive permanent magnet steel, so that the transmission lever rises under the action of elastic force and pushes the movable edge of the soft iron heat fin to be connected with the cover glass tube in a downward bending heat-proof / rising heat transfer manner. By the aid of the idle sunning protector with low power, the vacuum heat collection element can ensure that the internal pressure of the heat tube constantly does not exceed two atmospheric pressures, and heat collection cannot be affected.

A boosted pressure-reduced air-drying protecting full-glass vacuum heat-pipe solar collector device consists of a high-grade working medium boosted pressure-reduced air-drying protecting full-glass vacuum heat-pipe collector element, a heat-insulating water tank and a tail box, wherein the high-grade working medium boosted pressure-reduced air-drying protecting full-glass vacuum heat-pipe collector element is provided with a boosted air-drying protector inside a heat collection element vacuum heat-insulating layer; the boosted air-drying protector is formed through transmission connection of a boosted thermal driving component with a heat-transferring straight barrel; the boosted pressure-reduced air-drying protecting full-glass vacuum heat-pipe solar collector device is characterized in that the heat-transferring straight barrel is in low thermal resistance connection with the bottom end of a hot end of a heat pipe by using a one-dimensional moving pair structure; a boosted thermal driving component comprises a bimetal boosting component, heat-sensitive permanent magnetic steel and soft iron; the bimetal boosting component helps to drive the heat-sensitive permanent magnetic steel and the soft iron driving pair to attract each other when the heat-sensitive permanent magnetic steel is changed from a magnetic loss state to a magnetic state; and the heat pipe comprises a sparse core network. Through a small-power air-drying protector, the pressure inside the heat pipe can be ensured to not exceed 2 atmospheric pressures; and through the sparse core network, the startup time of the heat pipe is shortened from more than 140 minutes to more than 10 minutes, so that in winter, the heat collecting time every day is 1 hour longer.

A working medium high-position gathering pressure-reduction heat collection component for protecting an all-glass vacuum heat pipe from stagnation comprises an all-glass vacuum heat pipe heat collection component and a stagnation protector, wherein the stagnation protector is formed through the transmission connection of a heating power driving device and a heat transfer straight cylinder, and is characterized in that the heat transfer straight cylinder is connected with the hot end of a heat pipe directly or through a heat sink by adopting a one-dimensional sliding pair at a low heat resistance; the shape of the outer end part of the heat transfer straight cylinder coincides with that of an inner surface of a tail end of a shield glass tube; the inner of the hot end of the heat pipe comprises a sparse core mesh formed by a plurality of slim capillary liquid absorbing cores 2-10 mm in width; the sparse core mesh is pressed and pasted on the inner wall of the hot end of the heat pipe by the adoption of an elastic clamp spring; and the area of the sparse core mesh is less than 5 % of that of the inner wall of the hot end of the heat pipe . According to the invention, the low power stagnation protector is adopted to ensure that the water vapor pressure inside the heat pipe is never larger than two times of the barometric pressure; and the sparse core mesh is arranged inside the heat pipe to shorten the starting time of the heat pipe to over 10 minutes from over 140 minutes of the original bare tube, so that the time of heat collection can be increased by 1 hour everyday in winter.

A working medium high-position boosting pressure-reduction heat collection component for protecting an all-glass vacuum heat pipe from stagnation comprises a heat collection component and a boosting stagnation protector, and is characterized in that a heat transfer straight cylinder is connected with the hot end of a heat pipe at a low heat resistance by adopting a one-dimensional sliding pair; the outer end part of the heat transfer straight cylinder coincides with an inner surface of a tail end of a shield glass tube; a boosting heating power driving device comprises a bimetallic strip boosting part, temperature-sensitive permanent magnet steel and soft iron; the temperature-sensitive permanent magnet steel is connected with the heat pipe in low heat resistance; the soft iron is in transmission connection with the heat transfer straight cylinder; the bimetallic strip boosting part boosts the absorption and combination of a driving pair of the temperature-sensitive permanent magnet steel and the soft iron when the temperature-sensitive permanent magnet steel transforms from a magnetic loss state to a magnetic state; and the heat pipe comprises a sparse core mesh. According to the invention, the low power stagnation protector is adopted to ensure that the water vapor pressure inside the heat pipe is never larger than two times of barometric pressure; the sparse core mesh is arranged inside the heat pipe to shorten the starting time of the heat pipe to over 10 minutes from over 140 minutes, so that the time of heat collection can be increased by 1 hour everyday in winter; and the bimetallic strip boosting part gives full play to the advantage of large attractive force of the temperature-sensitive permanent magnet steel and the advantage of long pushing force distance of a bimetallic strip.

The invention discloses a pressure reducing air sunning protecting all-glass vacuum heat pipe heat collection component, which is composed of a heat collection component and an air sunning protector placed in a vacuum insulation layer at the tail end of the heat collection component, wherein the air sunning protector is composed of a thermal force driving device connected with the heat end of the heat pipe in a heat transmission manner, and a heat transmission straight drum connected with the thermal force driving device in a transmission manner or manufactured together with the thermal force driving device into an integrality; the air sunning protector is provided with two steady states, namely an open heat conduction state and a closed insulation state, and the air sunning protector is in the open heat conduction state when the heat transmission straight drum protrudes out of the tail end of a cover glass pipe connected in a heat transmission manner, and the air sunning protector is in the closed insulation state is formed when the heat transmission straight drum retracts to the tail end of the cover glass pipe connected in a heat transmission manner; the thermal force driving device comprises a thermosensitive permanent magnet steel driving device, a bimetallic strip driving device, a memory alloy driving device and a diaphragm capsule driving device. pressure reducing air sunning protecting all-glass vacuum heat pipe heat collection component is characterized in that the heat transmission straight drum is directly connected with the bottom end of the heat end of the heat pipe directly or connected with the bottom end through a heat sink in low thermal resistance by adopting a one-dimensional sliding pair structure; and the shape of the outer end part coincides with that of the inner surface of the tail end of the cover glass pipe. The pressure reducing air sunning protecting all-glass vacuum heat pipe heat collection component ensure that the pressure inside the heat pipe is always at most twice as big as the atmospheric pressure by adopting a small power air sunning protector; and the normal work of the heat collection is not affected.

The invention discloses a pressure reducing air sunning protecting insertion type heat pipe vacuum heat collection component, which comprises an all-glass vacuum heat pipe heat collection component, an air sunning protector and an insertion heat pipe, wherein the air sunning protector comprises a thermal force driving device connected with the tail end of an inner glass pipe in a heat transmission manner and a heat transmission straight drum; the pressure reducing air sunning protecting insertion type heat pipe vacuum heat collection component is characterized in that the heat transmission straight drum is connected with the tail end of the inner glass pipe directly or connected with the tail end in low thermal resistance through a heat sink by adopting a one-dimensional sliding pair. A boosting air sunning protecting insertion type heat pipe vacuum heat collection component comprises an all-glass vacuum heat pipe heat collection component, a boosting air sunning protector and an insertion type heat pipe; and the boosting air sunning protector comprises a boosting thermal force driving device connected with the tail end of the inner glass pipe in a heat transmission manner and a heat transmission straight drum; and the boosting air sunning protecting insertion type heat pipe vacuum heat collection component is characterized in that the heat transmission straight drum is connected with the tail end of the inner glass pipe directly or is connected with the tail end in low thermal resistance through a heat sink by adopting a one-dimensional sliding pair. The pressure reducing air sunning protecting insertion type heat pipe vacuum heat collection component can ensure that the pressure inside the insertion type heat pipe is at most twice as big as the atmospheric pressure by adopting a small power air sunning protector; and normal work of the heat collection component is not affected.

A vacuum heat collection element with a straight tube pressure-reducing air drying protector is formed through arranging a pressure-reducing air drying protector in a vacuum thermal insulating layer between the tail end of a shade glass tube of a full-glass vacuum heat collection pipe and the tail end of an inner glass tube, wherein the pressure-reducing air drying protector comprises a heat power driving component with an interface in heat transmission connection with the inner glass tube in the heat collection element, and a heat transmission straight tube; the heat power driving component comprises a thermosensitive permanent magnet steel driving component, a bimetallic sheet driving component, a memory alloy driving component and a sylphon driving component. The vacuum heat collection element is characterized in that the heat transmission straight tube and the tail end of the inner glass tube are connected directly or are in low thermal resistance connection by a one-dimensional movable pair through a heat sink; the vacuum heat collection element can move forwards and backwards; and the outer end part of the vacuum heat collection element is matched with the inner surface of the tail end of the shade glass tube in shape. According to the invention, inner water vapor pressure of the heat pipe cannot surpass 2 barometric pressures through the usage of a low-power air drying protector; as a result, the vacuum heat collection element is high in reliability.

An embedded pressure reduction idle sunning protector for a heat collecting element with heat fins and a vacuum heat pipe comprises a plurality of controllable heat transfer channels. The controllable heat transfer channels are arranged in a vacuum heat-insulation layer and comprise heat-sensitive permanent magnet steel, the soft iron heat fins and connecting clamp springs. The embedded pressure reduction idle sunning protector is characterized in that fixed edges of the soft iron heat fins are connected with tail ends of inner glass pipes or the bottom of a heat end of the heat pipe in a low heat resistance manner, and movable edges of the soft iron heat fins can move among inner side surfaces of covering glass pipes and outer surfaces of the inner glass pipes; the heat-sensitive permanent magnet steel is arranged below the movable edges of the soft iron heat fins and is covered by the soft iron heat fins; when the heat-sensitive permanent magnet steel is magnetized, the soft iron heat fins are attracted by the heat-sensitive permanent magnet steel and are bent downwardly, and the movable edges of the soft iron heat fins cannot be in heat transfer connection with the covering glass pipes; and when the heat-sensitive permanent magnet steel is demagnetized, the soft iron heat fins are curled up under the action of elastic force of the soft iron heat fins, and the movable edges of the soft iron heat fins are in heat transfer connection with the covering glass pipes. The embedded pressure reduction idle sunning protector has the advantages that the low-power sunning protector can guarantee that the pressure of steam inside the heat pipe is not higher than twice the atmospheric pressure all along, and normal operation of the heat collecting element is completely unaffected.

An embedded boosting straight cylinder vacuum heat collection pipe element pressure reduction stagnation protector is formed by a boosting thermal driver and a heat transfer straight cylinder, and is characterized in that a heat radiation patch is provided with an interface in low resistance connection with the inner surface of round sealed end of a cover glass tube; the heat transfer straight cylinder can longitudinally move in the direction of the axial line of a heat collection element; the boosting thermal driver comprises a double-metal sheet boosting part, a block of thermal sensitive permanent magnetic steel and a block of soft iron; the soft iron is in transmission connection with the heat transfer straight cylinder; and the double-metal sheet boosting part deforms to help a boosting thermal sensitive permanent magnetic steel soft iron driver pair suck during the state of the thermal sensitive permanent magnetic steel is converted from demagnetized into magnetic. The problem that the soft iron is too far from the thermal permanent magnetic steel 8 to normally work, which is caused by thermal expansion and precision errors, is solved, as a result, the thermal permanent steel driver can more quickly and reliably operate. According to the invention, only the low-power stagnation protector can ensure that pressure of steam in the hot pipes is not greater than double atmospheric pressure always, and is high in reliability.

An embedded level vacuum thermal pipe heat collection element pressure reduction stagnation protector is formed by controllable heat transfer channels arranged at the tail end of a vacuum heat collection element in a vacuum heat insulation layer, and each controllable heat transfer channel is formed by thermal sensitive permanent magnet steel, soft iron hot fins, transmission levels and connecting clamping springs. The embedded level vacuum heat pipe heat collection element pressure reduction stagnation protector is characterized in that the fixed sides of the soft iron hot fins are in low thermal resistance connection with the bottoms of the hot ends of hot pipes; the transmission levels are located above the thermal sensitive permanent magnetic steel and the free ends of the transmission levels are inserted below the movable sides of the soft iron hot fins; when the thermal sensitive permanent magnetic steel is magnetic, the transmission levels are attracted by the thermal sensitive permanent magnetic steel to lower and enable the movable sides of the soft iron hot fins to bend downwards and be in heat insulated connection with cover glass tubes; and when the thermal sensitive permanent magnetic steel is not magnetic, under the action of the own elastic force, the transmission levels are lifted to raise the movable sides of the soft iron hot fins to be in heating transfer connection with the cover glass tube, so as to achieve stagnation protection. According to the invention, only the low-power stagnation protector can ensure that pressure of the interiors of the hot pipes is not greater than double atmospheric pressure always, and cannot affect heat collection.

An embedded pressure reduction idle sunning protector for a heat collecting element with heat fins and a vacuum heat pipe comprises a plurality of controllable heat transfer channels. The controllable heat transfer channels are arranged in a vacuum heat-insulation layer and comprise heat-sensitive permanent magnet steel, the soft iron heat fins and connecting clamp springs. The embedded pressure reduction idle sunning protector is characterized in that fixed edges of the soft iron heat fins are connected with tail ends of inner glass pipes or the bottom of a heat end of the heat pipe in a low heat resistance manner, and movable edges of the soft iron heat fins can move among inner side surfaces of covering glass pipes and outer surfaces of the inner glass pipes; the heat-sensitive permanent magnet steel is arranged below the movable edges of the soft iron heat fins and is covered by the soft iron heat fins; when the heat-sensitive permanent magnet steel is magnetized, the soft iron heat fins are attracted by the heat-sensitive permanent magnet steel and are bent downwardly, and the movable edges of the soft iron heat fins cannot be in heat transfer connection with the covering glass pipes; and when the heat-sensitive permanent magnet steel is demagnetized, the soft iron heat fins are curled up under the action of elastic force of the soft iron heat fins, and the movable edges of the soft iron heat fins are in heat transfer connection with the covering glass pipes. The embedded pressure reduction idle sunning protector has the advantages that the low-power sunning protector can guarantee that the pressure of steam inside the heat pipe is not higher than twice the atmospheric pressure all along, and normal operation of the heat collecting element is completely unaffected.

A working medium high-position gathering pressure-reduction heat collection component for protecting an all-glass vacuum heat pipe from stagnation comprises an all-glass vacuum heat pipe heat collection component and a stagnation protector, wherein the stagnation protector is formed through the transmission connection of a heating power driving device and a heat transfer straight cylinder, and is characterized in that the heat transfer straight cylinder is connected with the hot end of a heat pipe directly or through a heat sink by adopting a one-dimensional sliding pair at a low heat resistance; the shape of the outer end part of the heat transfer straight cylinder coincides with that of an inner surface of a tail end of a shield glass tube; the inner of the hot end of the heat pipe comprises a sparse core mesh formed by a plurality of slim capillary liquid absorbing cores 2-10 mm in width; the sparse core mesh is pressed and pasted on the inner wall of the hot end of the heat pipe by the adoption of an elastic clamp spring; and the area of the sparse core mesh is less than 5 % of that of the inner wall of the hot end of the heat pipe . According to the invention, the low power stagnation protector is adopted to ensure that the water vapor pressure inside the heat pipe is never larger than two times of the barometric pressure; and the sparse core mesh is arranged inside the heat pipe to shorten the starting time of the heat pipe to over 10 minutes from over 140 minutes of the original bare tube, so that the time of heat collection can be increased by 1 hour everyday in winter.

The invention discloses a pressure reducing air sunning protecting insertion type heat pipe solar vacuum heat collection device, which is composed of a pressure reducing air sunning protecting insertion type heat pipe vacuum heat collection component and an insulation water tank, wherein the pressure reducing air sunning protecting insertion type heat pipe vacuum heat collection component comprises an all-glass vacuum heat pipe heat collection component, an air sunning protector and an insertion type heat pipe; the air sunning protector comprises a thermal force driving device and a heat transmission straight drum, and is characterized in that the heat transmission straight drum is connected with the tail end of an inner glass pipe in low thermal resistance by adopting a one-dimensional sliding pair. A boosting pressure reducing air sunning protecting insertion type heat pipe solar vacuum heat collection device is composed of a boosting pressure reducing air sunning protecting insertion heat pipe vacuum heat collection component and a insulation water tank; and the boosting pressure reducing air sunning protecting insertion heat pipe vacuum heat collection component comprises an all-glass vacuum heat pipe heat collection component, a boosting air sunning protector and an insertion type heat pipe. The pressure reducing air sunning protecting insertion type heat pipe solar vacuum heat collection device can ensure that the pressure inside the heat pipe is at most twice as big as the atmospheric pressure by adopting a small power air sunning protector; and normal work of the heat collection component is not affected.