Anti-freezing pressure gauge

Abstract

The utility model discloses an anti-freezing pressure gauge, which relates to the technical field of pressure gauges and comprises a base, a pressure gauge body, an anti-freezing structure and a solar panel. A connecting pipe is mounted at the bottom of the pressure gauge body and penetrates through the base; the anti-freezing structure comprises a heat preservation shell and a heating assembly, a heat preservation cavity is formed in the heat preservation shell, the heat preservation shell is installed on the base, the pressure gauge body is contained in the heat preservation cavity, an observation window is formed in the position, corresponding to the pressure gauge body, of the heat preservation shell, and the heating assembly is installed in the heat preservation cavity; the solar panel is installed outside the heat preservation shell and used for supplying power to the heating assembly so that the heating assembly can heat the heat preservation cavity. The anti-freezing pressure gauge provided by the utility model can be used in a low-temperature environment, does not need an external power supply to provide electric energy, and is high in portability and applicability.

Description

Technical Field

[0001] The utility model relates to the technical field of pressure gauges, in particular to an antifreeze pressure gauge. Background Art

[0002] A pressure gauge is an instrument that uses an elastic element as a sensitive element to measure and indicate pressure higher than the ambient pressure. It is widely used in almost all industrial processes and scientific research fields, especially in industrial process control and technical measurement. Mechanical pressure gauges are increasingly widely used because their elastic sensitive elements have high mechanical strength and are easy to produce.

[0003] Pressure gauges are often used in cold environments. Currently, the main method for antifreezing pressure gauges is to put an insulation sleeve on the outside of the pressure gauge to insulate and prevent freezing of the pressure gauge. However, when the temperature is low, the insulation sleeve cannot meet the insulation requirements and the pressure gauge cannot be used normally. Utility Model Content

[0004] The main purpose of the utility model is to provide an antifreeze pressure gauge, aiming to solve the technical problem that the pressure gauge cannot be used normally in an environment with a low temperature.

[0005] To achieve the above-mentioned purpose, the antifreeze pressure gauge proposed by the utility model comprises:

[0006] Pedestal;

[0007] A pressure gauge body, wherein a connecting pipe is installed at the bottom of the pressure gauge body and the connecting pipe is passed through the base;

[0008] An antifreeze structure, the antifreeze structure comprising an insulation shell and a heating component, the insulation shell having an insulation cavity formed therein, the insulation shell being mounted on the base, the pressure gauge body being accommodated in the insulation cavity, the insulation shell having an observation window at a position corresponding to the pressure gauge body, and the heating component being mounted in the insulation cavity;

[0009] A solar panel is installed outside the heat preservation shell, and is used to supply power to the heating component so that the heating component heats the heat preservation cavity.

[0010] In one embodiment, the heating component includes a heating element and a temperature controller, both of which are installed in the insulation chamber, and the temperature controller is electrically connected to the heating element. The temperature controller is used to control the heating element to generate heat when the temperature of the insulation chamber is lower than a preset temperature.

[0011] In one embodiment, the inner wall of the heat preservation cavity is paved with a heat preservation layer and / or,

[0012] The outer side of the heat-insulating shell is covered with a heat-insulating sleeve.

[0013] In one embodiment, there are multiple heating elements, and the multiple heating elements are arranged at intervals on the inner side of the thermal insulation layer. The solar panel is used to supply power to each of the heating elements.

[0014] In one embodiment, the heat-insulating shell is detachably mounted on the base via a plurality of spaced-apart connection structures.

[0015] In one embodiment, the connecting structure includes a card block and a locking component, and the base is provided with a plurality of card slots extending vertically, the number of the card slots is consistent with the number of the connecting structures and is arranged one-to-one; in any of the card slots and the corresponding connecting structure, the notch of the card slot is located at the top of the base, the locking component is arranged on the base, the card block is inserted into the card slot from the notch, and the locking component is used to lock the card block in the card slot or unlock it from the card slot.

[0016] In one embodiment, in any of the card slots and the corresponding connecting structures, a locking hole extending in the horizontal direction is provided on one side of the card block along the horizontal direction, and a movable hole extending in the extending direction of the locking hole is provided on the base, and the movable hole is connected to the card slot, and the locking assembly includes a locking rod and a locking block, and the locking block is arranged in the movable hole, and the two ends of the locking rod are respectively a connecting end and an operating end, and the locking rod can be slidably penetrated into the movable hole, and the connecting end of the locking rod is connected to the locking block, and the operating end of the locking rod extends out of the base; the locking block is driven to extend into or out of the locking hole when the card block is inserted into the card slot by pushing and pulling the operating end, so as to correspondingly lock the card block in the card slot or unlock it from the card slot.

[0017] In one embodiment, the locking assembly also includes a spring, a limiting ring is installed in the movable hole, the locking rod can slidably pass through the limiting ring, the spring is sleeved outside the locking rod and is arranged on the side of the limiting ring away from the locking block, one end of the spring close to the limiting ring is connected to the limiting ring, and the end of the spring away from the limiting ring is connected to the locking rod.

[0018] In one embodiment, a first inclined surface is formed at one end of the locking block close to the locking hole and inclined from bottom to top in a direction away from the locking hole;

[0019] and / or,

[0020] The bottom of the block is formed with a second inclined surface which is inclined from bottom to top toward the direction close to the movable hole.

[0021] In one embodiment, an energy storage component is further provided in the heat preservation chamber, and the energy storage component is used to store the electric energy generated by the solar panel and to supply power to the heating component;

[0022] And / or, the solar panel is arranged to be tilted from top to bottom along the horizontal direction.

[0023] The technical solution of the utility model is to install the bottom of the pressure gauge body on a connecting pipe, and then install the connecting pipe on the base, the bottom end of the connecting pipe extends to the bottom of the base, the connecting pipe is used to communicate with the pipeline to be measured, and an insulation shell is provided on the outer cover of the pressure gauge body so that the pressure gauge body is accommodated in the insulation cavity of the insulation shell, the insulation shell is installed on the base, and the base seals the insulation cavity of the insulation shell, which can effectively reduce the efficiency of heat exchange between the insulation cavity and the outside world, avoid the rapid loss of heat in the insulation cavity, and have a good insulation effect. A heating component is also provided in the insulation cavity, and the heating component is electrically connected to the solar panel outside the insulation shell. The solar panel is used to power the heating component to heat the insulation cavity, so that the temperature in the insulation cavity is increased to a temperature that can meet the use of the pressure gauge body, and has antifreeze ability. The antifreeze pressure gauge of the utility model has antifreeze ability and can be used normally in a low temperature environment. The antifreeze pressure gauge of the utility model can be powered by a solar panel without an external power supply, and has strong portability and applicability. In addition, an observation window is provided on the insulation shell, through which the reading of the pressure gauge body can be easily observed, which is simple and convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0025] Figure 1 A structural schematic diagram of an embodiment of an antifreeze pressure gauge provided by the utility model;

[0026] Figure 2 for Figure 1 A schematic diagram of the structure of the antifreeze pressure gauge provided by the utility model in another state;

[0027] Figure 3 A cross-sectional schematic diagram of an embodiment of an antifreeze pressure gauge provided by the utility model;

[0028] Figure 4 A schematic structural diagram of a base, a pressure gauge body and a connecting pipe in an embodiment of an antifreeze pressure gauge provided by the utility model;

[0029] Figure 5 for Figure 3 A partial enlarged view of point A in the middle.

[0030] Description of Figure Numbers:

[0031] 100. Antifreeze pressure gauge; 10. Base; 11. Slot; 12. Movable hole; 13. Limiting ring; 20. Pressure gauge body; 21. Connecting pipe; 30. Antifreeze structure; 31. Insulation shell; 32. Insulation cavity; 33. Observation window; 34. Heating component; 341. Heating element; 342. Temperature controller; 35. Insulation layer; 40. Solar panel; 50. Connecting structure; 51. Block; 511. Lock hole; 512. Second inclined surface; 52. Locking component; 521. Locking rod; 5211. Connecting end; 5212. Operating end; 522. Locking block; 5221. First inclined surface; 523. Spring; 60. Energy storage component.

[0032] The realization of the purpose, functional features and advantages of the utility model will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0033] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0034] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back...), the directional indications are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture. If the specific posture changes, the directional indications will also change accordingly.

[0035] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the utility model, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features limited to "first" and "second" may explicitly or implicitly include at least one of the features. In addition, if "and / or" or "and / or" appears in the full text, its meaning includes three parallel solutions. Taking "A and / or B" as an example, it includes solution A, solution B, or solutions that satisfy both A and B. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the utility model.

[0036] The utility model provides an antifreeze pressure gauge 100 .

[0037] See also Figures 1 to 5 In one embodiment of the utility model, the antifreeze pressure gauge 100 includes a base 10, a pressure gauge body 20, an antifreeze structure 30 and a solar panel 40; wherein, a connecting pipe 21 is installed at the bottom of the pressure gauge body 20, and the connecting pipe 21 is penetrated by the base 10; the antifreeze structure 30 includes an insulation shell 31 and a heating component 34, an insulation cavity 32 is formed in the insulation shell 31, the insulation shell 31 is installed on the base 10, the pressure gauge body 20 is accommodated in the insulation cavity 32, the insulation shell 31 is provided with an observation window 33 at the position corresponding to the pressure gauge body 20, and the heating component 34 is installed in the insulation cavity 32; the solar panel 40 is installed outside the insulation shell 31, and the solar panel 40 is used to supply power to the heating component 34 so that the heating component 34 heats the insulation cavity 32.

[0038] The technical solution of the utility model is to install the bottom of the pressure gauge body 20 on a connecting pipe 21, and then install the connecting pipe 21 on the base 10. The bottom end of the connecting pipe 21 extends to the bottom of the base. The connecting pipe 21 is used to communicate with the pipeline to be measured, and an insulation shell 31 is provided on the outer cover of the pressure gauge body 20 so that the pressure gauge body 20 is accommodated in the insulation cavity 32 of the insulation shell 31. The insulation shell 31 is installed on the base 10. The base 10 seals the insulation cavity 32 of the insulation shell 31, which can effectively reduce the efficiency of heat exchange between the insulation cavity 32 and the outside world, avoid the rapid loss of heat in the insulation cavity 32, and have a good insulation effect. A heating component 34 is also provided in the insulation cavity 32. The heating component 34 is electrically connected to the solar panel 40 outside the insulation shell 31. The solar panel 40 is used to power the heating component 34 to heat the insulation cavity 32, so that the temperature in the insulation cavity 32 is increased to a temperature that can meet the use of the pressure gauge body 20, and has antifreeze ability. The antifreeze pressure gauge 100 of the utility model has antifreeze capability and can be used normally in a low temperature environment. The antifreeze pressure gauge 100 of the utility model can be powered by a solar panel 40, does not require an external power supply, and has strong portability and applicability. In addition, an observation window 33 is provided on the insulation shell 31, through which the reading of the pressure gauge body 20 can be easily observed, which is simple and convenient. In one embodiment of the utility model, the heating component 34 includes a heating element 341 and a temperature controller 342, both of which are installed in the insulation chamber 32, and the temperature controller 342 is electrically connected to the heating element 341, and the temperature controller 342 is used to control the heating element 341 to generate heat when the temperature of the insulation chamber 32 is lower than a preset temperature.

[0039] Specifically, as shown in the figure, the heating component 34 includes a heating element 341 and a temperature controller 342. The temperature controller 342 is used to monitor the temperature of the insulation chamber 32. The preset temperature is the temperature of normal use of the pressure gauge body 20. If the temperature of the insulation chamber 32 is lower than the preset temperature, the temperature controller 342 controls the heating element 341 to generate heat, thereby raising the temperature in the insulation chamber 32 to higher than the preset temperature to meet the normal use of the pressure gauge body 20.

[0040] In one embodiment of the utility model, the inner wall of the heat preservation cavity 32 is paved with a heat preservation layer 35. Specifically, as shown in the figure, by paving the heat preservation layer 35 on the inner wall of the heat preservation cavity 32, the efficiency of heat exchange between the heat preservation cavity 32 and the outside can be further reduced, and the rapid loss of heat in the heat preservation cavity 32 can be further avoided, and the heat preservation effect is better.

[0041] In one embodiment of the present invention, a heat-insulating sleeve is provided on the outer side of the heat-insulating shell 31 .

[0042] Specifically, as shown in the figure, by arranging an insulation sleeve on the outside of the insulation shell 31, the efficiency of heat exchange between the insulation chamber 32 and the outside can be further reduced, and the rapid loss of heat in the insulation chamber 32 can be further avoided, and the insulation effect is better.

[0043] In an embodiment of the present invention, there are multiple heating elements 341 , and the multiple heating elements 341 are arranged at intervals on the inner side of the insulation layer 35 . The solar panel 40 is used to supply power to each heating component 34 .

[0044] Specifically, as shown in the figure, by disposing the heating elements 341 at intervals on the inner side of the heat preservation layer 35, the heat preservation cavity 32 can be heated more evenly and the heating effect is better.

[0045] In an embodiment of the present invention, the heat-insulating shell 31 is detachably mounted on the base 10 via a plurality of spaced connection structures 50 .

[0046] Specifically, as shown in the figure, the heat-insulating shell 31 is detachably mounted on the base 10. When the pressure gauge body 20 needs to be inspected, the heat-insulating shell 31 can be removed from the base 10 to inspect the pressure gauge body 20 on the base 10, which is simple and convenient. In addition, the heat-insulating shell 31 is mounted on the base 10 through a plurality of spaced connection structures 50, and the heat-insulating shell 31 is mounted on the base 10 with higher firmness and reliability.

[0047] In one embodiment of the utility model, the connecting structure 50 includes a card block 51 and a locking component 52. A plurality of card slots 11 extending vertically are provided on the base 10. The number of the card slots 11 is consistent with the number of the connecting structures 50 and is arranged one by one. In any card slot 11 and the corresponding connecting structure 50, the notch of the card slot 11 is located at the top of the base 10, the locking component 52 is arranged on the base 10, the card block 51 is inserted into the card slot 11 from the notch, and the locking component 52 is used to lock the card block 51 in the card slot 11 or unlock it from the card slot 11.

[0048] Specifically, as shown in the figure, by inserting the card block 51 into the corresponding card slot 11 on the base 10, and then locking the card block 51 in the card slot 11 through the locking component 52, the insulation shell 31 can be installed on the base 10. When the insulation shell 31 needs to be removed, the card block 51 is unlocked from the card slot 11 through the locking component 52, and then the card block 51 is pulled out from the card slot 11, and the insulation shell 31 can be removed from the base 10. The installation and disassembly are simple and convenient.

[0049] In one embodiment of the utility model, in any card slot 11 and the corresponding connecting structure 50, a locking hole 511 extending in the horizontal direction is provided on one side of the card block 51 along the horizontal direction, and a movable hole 12 extending in the extending direction of the locking hole 511 is provided on the base 10, and the movable hole 12 is connected to the card slot 11, and the locking component 52 includes a locking rod 521 and a locking block 522, and the locking block 522 is arranged in the movable hole 12, and the two ends of the locking rod 521 are respectively a connecting end 5211 and an operating end 5212, and the locking rod 521 can be slidably penetrated in the movable hole 12, and the connecting end 5211 of the locking rod 521 is connected to the locking block 522, and the operating end 5212 of the locking rod 521 extends out of the base 10; by pushing and pulling the operating end 5212, the locking block 522 is driven to extend into or extend out of the locking hole 511 when the card block 51 is inserted into the card slot 11, so as to correspondingly lock the card block 51 in the card slot 11 or unlock it from the card slot 11.

[0050] Specifically, as shown in the figure, the card slot 11 and the card block 51 are both extended in the up-down direction, the base 10 is provided with an active hole 12 extending in the left-right direction, the active hole 12 is communicated with the card slot 11, and the card block 51 is provided with a locking hole 511 extending in the left-right direction. When the card block 51 is inserted into the card slot 11, the locking hole 511 of the card block 51 and its corresponding active hole 12 on the base 10 are aligned and communicated, and the locking rod 521 is pushed to make the locking rod 521 push the locking block 522 in the active hole 12 to extend into the locking hole 511, thereby locking the card block 51 in the card slot 11; when it is necessary to unlock the card block 51 from the card slot 11, it is only necessary to pull the operating end 5212 so that the locking rod 521 pulls the locking block 522 extending into the locking hole 511 to extend out of the locking block 522, and the card block 51 can be unlocked from the card slot 11. The structure is ingenious and locking and unlocking are convenient.

[0051] In one embodiment of the utility model, the locking assembly 52 also includes a spring 523, a limiting ring 13 is installed in the movable hole 12, the locking rod 521 can slide through the limiting ring 13, the spring 523 is sleeved outside the locking rod 521 and is arranged on the side of the limiting ring 13 away from the locking block 522, one end of the spring 523 close to the limiting ring 13 is connected to the limiting ring 13, and the end of the spring 523 away from the limiting ring 13 is connected to the locking rod 521.

[0052] Specifically, as shown in the figure, a limiting ring 13 is installed and fixed in the movable hole 12, the limiting ring 13 is sleeved on the outside of the locking rod 521, the locking block 522 is located on the left side of the limiting ring 13, the spring 523 is located on the right side of the limiting ring 13, the left end of the spring 523 is connected to the right end of the limiting ring 13, and the right end of the spring 523 is connected to the locking rod 521. When the card block 51 needs to be unlocked from the card slot 11, the locking rod 521 is pulled rightward, the locking rod 521 drives the locking block 522 to move rightward, and the spring 523 is stretched. The stretched spring 523 will generate a restoring force to pull the locking rod 521 to move rightward, so that the locking block 522 moves rightward to the position when it locks the card block 51 in the card slot 11. Unlocking and locking are simple and convenient, and when the card block 51 is locked in the card slot 11, the spring 523 can prevent the locking block 522 from extending out of the lock hole 511, and the locking reliability is good.

[0053] In one embodiment of the utility model, a first inclined surface 5221 is formed at one end of the locking block 522 close to the locking hole 511, which is inclined from bottom to top in a direction away from the locking hole 511. Specifically, as shown in the figure, the first inclined surface 5221 is inclined from bottom to top toward the right, and the locking block 522 can be conveniently positioned at the locking block 522 and inserted into the locking block 522 through the first inclined surface 5221.

[0054] In one embodiment of the utility model, a second inclined surface 512 is formed at the bottom of the block 51, which is inclined from bottom to top toward the direction close to the movable hole 12. Specifically, as shown in the figure, the second inclined surface 512 is inclined from bottom to top toward the right, and the locking block 522 can be easily positioned at the locking block 522 and inserted into the locking block 522 through the second inclined surface 512.

[0055] In an embodiment of the present invention, an energy storage component 60 is further disposed in the heat preservation chamber 32 . The energy storage component 60 is used to store the electric energy generated by the solar panel 40 and can supply power to the heating component 34 .

[0056] Specifically, as shown in the figure, the electric energy generated by the solar panel 40 can be stored through the energy storage component 60, and the stored electric energy can be used to power the heating component 34, so that the heating component 34 can generate heat when the solar panel 40 cannot provide electric energy, and has better endurance.

[0057] In an embodiment of the present invention, the solar panel 40 is tilted from top to bottom along the horizontal direction. The tilted solar panel 40 is more conducive to the solar panel 40 to obtain solar energy.

[0058] The above description is only an exemplary embodiment of the present invention, and does not limit the patent scope of the present invention. All equivalent structural changes made by using the contents of the present invention specification and drawings under the technical concept of the present invention, or directly / indirectly applied in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. An antifreeze pressure gauge, characterized in that: The antifreeze pressure gauge comprises: Pedestal; A pressure gauge body, wherein a connecting pipe is installed at the bottom of the pressure gauge body and the connecting pipe is passed through the base; An antifreeze structure, the antifreeze structure comprising an insulation shell and a heating component, the insulation shell having an insulation cavity formed therein, the insulation shell being mounted on the base, the pressure gauge body being accommodated in the insulation cavity, the insulation shell having an observation window at a position corresponding to the pressure gauge body, and the heating component being mounted in the insulation cavity; A solar panel is installed outside the heat preservation shell, and is used to supply power to the heating component so that the heating component heats the heat preservation cavity.

2. The antifreeze pressure gauge according to claim 1, characterized in that: The heating component includes a heating element and a temperature controller, both of which are installed in the heat preservation chamber. The temperature controller is electrically connected to the heating element, and is used to control the heating element to generate heat when the temperature of the heat preservation chamber is lower than a preset temperature.

3. The antifreeze pressure gauge according to claim 2, characterized in that: The inner wall of the heat preservation cavity is paved with a heat preservation layer; and / or, The outer side of the heat-insulating shell is covered with a heat-insulating sleeve.

4. The antifreeze pressure gauge according to claim 3, characterized in that: There are multiple heating elements, which are arranged at intervals on the inner side of the thermal insulation layer, and the solar panel is used to supply power to each of the heating elements.

5. The antifreeze pressure gauge according to claim 1, characterized in that: The heat-insulating shell is detachably mounted on the base through a plurality of spaced-apart connection structures.

6. The antifreeze pressure gauge according to claim 5, characterized in that: The connecting structure includes a card block and a locking assembly, and the base is provided with a plurality of card slots extending vertically, the number of the card slots being consistent with the number of the connecting structures and being arranged one-to-one; In any of the card slots and the corresponding connecting structures, the notch of the card slot is located at the top of the base, the locking component is arranged on the base, the card block is inserted into the card slot from the notch, and the locking component is used to lock the card block in the card slot or unlock it from the card slot.

7. The antifreeze pressure gauge according to claim 6, characterized in that: In any of the card slots and the corresponding connecting structures, a locking hole extending in the horizontal direction is provided on one side of the card block along the horizontal direction, and a movable hole extending in the extending direction of the locking hole is provided on the base, and the movable hole is connected to the card slot, and the locking assembly includes a locking rod and a locking block, and the locking block is arranged in the movable hole, and the two ends of the locking rod are respectively a connecting end and an operating end, and the locking rod can be slidably penetrated into the movable hole, and the connecting end of the locking rod is connected to the locking block, and the operating end of the locking rod extends out of the base; the locking block is driven to extend into or out of the locking hole when the card block is inserted into the card slot by pushing and pulling the operating end, so as to correspondingly lock the card block in the card slot or unlock it from the card slot.

8. The antifreeze pressure gauge according to claim 7, characterized in that: The locking assembly also includes a spring, a limiting ring is installed in the movable hole, the locking rod can slidably pass through the limiting ring, the spring is sleeved outside the locking rod and is arranged on the side of the limiting ring away from the locking block, one end of the spring close to the limiting ring is connected to the limiting ring, and the other end of the spring away from the limiting ring is connected to the locking rod.

9. The antifreeze pressure gauge according to claim 7, characterized in that: A first inclined surface is formed on one end of the locking block close to the locking hole and inclined from bottom to top in a direction away from the locking hole; and / or, The bottom of the block is formed with a second inclined surface which is inclined from bottom to top toward the direction close to the movable hole.

10. The antifreeze pressure gauge according to any one of claims 1 to 9, characterized in that: An energy storage component is also provided in the heat preservation cavity, and the energy storage component is used to store the electric energy generated by the solar panel and can supply power to the heating component; and / or, The solar panel is arranged to be inclined from top to bottom.

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