CN214845436U - Heating device for guaranteeing electric energy meter performance under low-temperature environment - Google Patents
Heating device for guaranteeing electric energy meter performance under low-temperature environment Download PDFInfo
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- CN214845436U CN214845436U CN202121219845.1U CN202121219845U CN214845436U CN 214845436 U CN214845436 U CN 214845436U CN 202121219845 U CN202121219845 U CN 202121219845U CN 214845436 U CN214845436 U CN 214845436U
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- heat
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- inner shell
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 23
- 238000004321 preservation Methods 0.000 claims abstract description 18
- 238000005485 electric heating Methods 0.000 claims abstract description 12
- 238000009413 insulation Methods 0.000 claims description 34
- 239000002184 metal Substances 0.000 claims description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 239000007788 liquid Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000007787 solid Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
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Abstract
A heating device for guaranteeing the performance of an electric energy meter in a low-temperature environment belongs to the field of electric energy meter protection equipment. The power supply is fixed at the upper end of the heat-insulating inner shell through a bolt; the heat preservation shell is arranged on the outer side of the heat preservation inner shell, the top end of the inner wall of the heat preservation shell is fixedly connected with the control device, the inner walls on the two sides of the heat preservation shell are fixedly connected with limiting blocks, and each limiting block is in contact with the outer side wall of the heat preservation inner shell; the two baffles are symmetrical left and right and are fixedly connected to the front end of the heat-insulating outer shell, and the baffles are also contacted with the front end surface of the heat-insulating inner shell; the fixed ends of the two expansion plates are fixedly connected to the heat-insulating shell, the movable ends of the expansion plates are fixedly connected to the heat-insulating inner shell, and the two expansion plates are vertically symmetrical about a central line of the heat-insulating shell. The device can not only preserve the heat of the electric energy meter and ensure the performance of the electric energy meter, but also control the electrification of the electric heating wire according to the temperature change, so that the temperature of the electric energy meter can be still ensured when the temperature is lower than 0 degree, and the service life of the electric energy meter is further ensured.
Description
Technical Field
The utility model relates to a guarantee heating device for electric energy meter performance under low temperature environment belongs to electric energy meter protective apparatus field.
Background
The electric energy meter used in the outdoor low-temperature state is influenced by low temperature for a long time, the service life of the electric energy meter is easily reduced, and at present, no device for preserving the heat of the electric energy meter is used for protecting the electric energy meter, so that the heating device for guaranteeing the performance of the electric energy meter in the low-temperature environment is designed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a guarantee heating device for electric energy meter performance under low temperature environment for solving the above-mentioned problem that exists among the background art.
The utility model realizes the above purpose, and the technical scheme of taking is as follows:
a heating device for guaranteeing the performance of an electric energy meter in a low-temperature environment comprises a heat-preservation outer shell, two limiting blocks, a heat-preservation inner shell, an electric heating wire, three leads, a plurality of insulating rods, a power supply, a plurality of metal sheets, a control device, a telescopic plate and two baffle plates; the heat-insulation inner shell is sleeved outside the electric energy meter, and a plurality of vent holes penetrating through the heat-insulation inner shell are formed in the heat-insulation inner shell; the control device is placed at the upper end of the heat-preservation inner shell; the power supply is fixed at the upper end of the heat-insulating inner shell through a bolt; the heat-insulation shell is arranged on the outer side of the heat-insulation inner shell, the top end of the inner wall of the heat-insulation shell is fixedly connected with the control device, the inner walls on the two sides of the heat-insulation shell are fixedly connected with limiting blocks, and each limiting block is in contact with the outer side wall of the heat-insulation inner shell; the insulating rods are fixedly connected to the inner wall of the top end of the heat-insulating shell, and the insulating rods are arranged on two sides of the power supply and the control device in a group two by two; one wire is positioned between the power supply and the control device, two ends of the wire are fixed on the corresponding insulating rods, one end of the other two wires is fixedly connected to the corresponding insulating rods, the other end of the other two wires is connected with the electric heating wire, one end of each wire, which is close to the power supply or the control device, is fixedly connected with the corresponding metal sheet, and the wire is electrically connected with the power supply or the control device through the metal sheet; the electric heating wire is arranged around the heat preservation inner shell; the two baffles are symmetrical left and right and are fixedly connected to the front end of the heat-insulation outer shell, and the baffles are also contacted with the front end surface of the heat-insulation inner shell; the fixed ends of the two expansion plates are fixedly connected to the heat-insulating shell, the movable ends of the expansion plates are fixedly connected to the heat-insulating inner shell, and the two expansion plates are vertically symmetrical about a central line of the heat-insulating shell.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses can not only keep warm to the electric energy meter, guarantee its performance, this device can also control the heating wire circular telegram according to temperature variation moreover, makes the electric energy meter still can guarantee the temperature when temperature is less than 0, and then guarantees the life of electric energy meter.
Drawings
Fig. 1 is a cross-sectional view of a heating device for ensuring the performance of an electric energy meter in a low-temperature environment according to the present invention;
FIG. 2 is a cross-sectional view of the heat-insulating outer shell and the heat-insulating inner shell of the heating device for ensuring the performance of the electric energy meter in the low-temperature environment of the present invention;
FIG. 3 is a side view of the heat-insulating outer shell and the heat-insulating inner shell of the heating device for ensuring the performance of the electric energy meter in the low-temperature environment of the present invention;
FIG. 4 is a front view of the heat-insulating outer shell and the heat-insulating inner shell of the heating device for guaranteeing the performance of the electric energy meter in the low-temperature environment of the present invention;
FIG. 5 is an enlarged schematic view of A in FIG. 1;
fig. 6 is a schematic structural diagram of a control device of the heating device for ensuring the performance of the electric energy meter in the low temperature environment of the present invention.
In the figure: 1. a heat-insulating shell; 2. a limiting block; 3. a heat-insulating inner shell; 4. an electric heating wire; 5. a vent hole; 6. a wire; 7. an insulating rod; 8. a power source; 9. a metal sheet; 10. a control device; 101. a fixed cylinder; 102. a conductive sheet; 103. an insulating plate I; 104. a spring; 105. a conductive plate; 106. an insulating plate II; 107. a T-shaped chute I; 108. an L-shaped sliding rod I; 109. a T-shaped chute III; 110. an elastic rubber bag; 111. water; 112. a telescopic rod; 113. an insulating plate III; 114. a T-shaped chute II; 115. a fixed block; 116. an L-shaped sliding rod II; 11. an electric energy meter; 12. a retractable plate; 13. and a baffle plate.
Detailed Description
The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.
The first embodiment is as follows: as shown in fig. 1 to 6, the present embodiment describes a heating device for ensuring the performance of an electric energy meter in a low temperature environment, which includes an outer thermal insulation shell 1, two limit blocks 2, an inner thermal insulation shell 3, an electric heating wire 4, three wires 6, a plurality of insulating rods 7, a power supply 8, a plurality of metal sheets 9, a control device 10, a retractable plate 12, and two baffles 13; the heat-preservation inner shell 3 is sleeved outside the electric energy meter 11, and a plurality of vent holes 5 penetrating through the heat-preservation inner shell 3 are formed in the heat-preservation inner shell 3; the control device 10 is placed at the upper end of the heat-preservation inner shell 3; the power supply 8 is fixed at the upper end of the heat-insulating inner shell 3 through a bolt; the heat-insulation outer shell 1 is arranged on the outer side of the heat-insulation inner shell 3, the top end of the inner wall of the heat-insulation outer shell 1 is fixedly connected with the control device 10, the inner walls on two sides of the heat-insulation outer shell 1 are fixedly connected with limiting blocks 2, and each limiting block 2 is in contact with the outer side wall of the heat-insulation inner shell 3; the insulating rods 7 are fixedly connected to the inner wall of the top end of the heat preservation shell 1, and the insulating rods 7 are arranged on two sides of the power supply 8 and the control device 10 in a group; one lead 6 is positioned between a power supply 8 and a control device 10, two ends of the lead 6 are fixed on the corresponding insulating rods 7, one end of the other two leads 6 is fixedly connected to the corresponding insulating rods 7, the other end of the other two leads 6 is connected with the electric heating wire 4, one end of each lead 6, which is close to the power supply 8 or the control device 10, is fixedly connected with a corresponding metal sheet 9, and the lead 6 is electrically connected with the power supply 8 or the control device 10 through the metal sheet 9; the electric heating wire 4 is arranged around the heat-preservation inner shell 3; the two baffles 13 are symmetrical left and right and are fixedly connected to the front end of the heat-insulating outer shell 1, and the baffles 13 are also contacted with the front end surface of the heat-insulating inner shell 3; the fixed ends of the two expansion plates 12 are fixedly connected to the heat-insulating shell 1, the movable ends of the expansion plates 12 are fixedly connected to the heat-insulating inner shell 3, and the two expansion plates 12 are vertically symmetrical about a central line of the heat-insulating shell 1.
The second embodiment is as follows: as shown in fig. 1 to 6, this embodiment is further described as a first embodiment, and the control device 10 includes a fixed cylinder 101, two conductive sheets 102, an insulating plate i 103, a spring 104, a conductive plate 105, an insulating plate ii 106, an L-shaped sliding rod i 108, an elastic rubber bag 110, water 111, a telescopic rod 112, an insulating plate iii 113, a fixed block 115, and an L-shaped sliding rod ii 116; through holes are symmetrically formed in two sides of the fixed cylinder 101, the upper end of the fixed cylinder 101 is fixedly connected to the heat-insulation outer shell 1, and the lower end of the fixed cylinder 101 is placed on the heat-insulation inner shell 3; the two conducting strips 102 are fixedly connected in the corresponding through holes; the conductive plate 105 is in sliding fit with the fixed cylinder 101, the upper end of the conductive plate 105 is fixedly connected with an insulating plate I103, and the lower end of the conductive plate 105 is fixedly connected with an insulating plate II 106; one end of the spring 104 is fixedly connected to the heat insulation shell 1, and the other end of the spring 104 is fixedly connected to the insulation plate I103; the lower end of the insulating plate II 106 is provided with a T-shaped sliding chute I107, one end of an L-shaped sliding rod II 116 is in sliding fit with the T-shaped sliding chute I107, and the upper end of the other end of the L-shaped sliding rod II 116 is fixedly connected with a telescopic rod 112; the fixing block 115 is fixedly connected to the inner side wall of the fixing barrel 101, the side face of the fixing block 115 is an inclined plane, and a T-shaped sliding groove II 114 is formed in the inclined plane; the corner of the L-shaped sliding rod II 116 is in sliding fit with the T-shaped sliding groove II 114; the elastic rubber bag 110 is fixed at the upper end of the heat-insulation inner shell 3, water is arranged in the elastic rubber bag 110, an insulating plate III 113 is placed at the upper end of the elastic rubber bag 110, the insulating plate III 113 is located below the fixing block 115, and a T-shaped sliding groove III 109 is formed in the upper end of the insulating plate III 113; one end of the L-shaped sliding rod I108 is in sliding fit with the T-shaped sliding groove III 109, and the other end of the L-shaped sliding rod I108 is fixedly connected to the upper end of the telescopic rod 112; the insulating plate I103, the insulating plate II 106 and the insulating plate III 113 are in sliding fit with the fixed cylinder 101; the metal sheet 9 is in contact with the conductive sheet 102.
The third concrete implementation mode: as shown in fig. 1 to 6, this embodiment is a further description of the first embodiment, when the water 111 is in a liquid state, the conductive plate 105 is located below the conductive plate 102, and a gap is left between the insulating plate iii 113 and the fixed block 115.
The fourth concrete implementation mode: as shown in fig. 1-6, the present embodiment is further described with respect to the first embodiment, in which the conductive plate 105 is in contact with the conductive plate 102, and the spring 104 is in a compressed state.
The utility model discloses a theory of operation is: when the device is used, when the outside weather is cooled to zero, the water 111 in the elastic rubber bag 110 is cooled and solidified into a solid state, according to the principle of thermal shrinkage and cold expansion of water, the solid water 111 expands to drive the elastic rubber bag 110 to stretch, the elastic rubber bag 110 stretches upwards in the fixed cylinder 101 to drive the insulating plate III 113 to move upwards, the insulating plate III 113 drives the L-shaped slide bar I108 to move upwards, because the telescopic rod 112 is at the maximum length when the water 111 is in a liquid state, the horizontal end of the L-shaped slide bar I108 pulls the telescopic rod 112 to drive the horizontal end of the L-shaped slide bar II 116 to move upwards so as to drive the insulating plate II 106 to move upwards, and because the corner of the L-shaped slide bar II 116 is also in sliding fit with the T-shaped sliding groove II 114 on the inclined surface of the fixed block 115, the L-shaped slide bar II 116 can move along the inclined surface of the fixed block 115 to the left side in the state shown in the figure 6 while moving upwards, and because the included angle between the inclined surface of the fixed block 115 and the horizontal direction is larger than 60 degrees, therefore, the distance that the L-shaped sliding rod II 116 moves on the inclined surface of the fixed block 115 in the vertical direction in unit time is greater than the distance that the insulating plate III 113 moves in the vertical direction in unit time, so that the telescopic rod 112 contracts, and the distance that the insulating plate II 106 moves upwards in unit time is greater than the distance that the insulating plate III 113 moves upwards in unit time, so as to avoid that the water 111 is solidified into a solid state, the expansion amplitude is small, the conducting plate 105 cannot be contacted with the conducting plate 102, and the use of the device is influenced, the insulating plate II 106 drives the conducting plate 105 to move upwards to be contacted with the conducting plate 102, and a circuit is communicated with the heating wire 4 through the conducting wire 6, the metal sheet 9, the power supply 8, the conducting plate 102, the conducting plate 105 and the heating wire 4, so that the heating wire 4 generates heat, the heating gas heats the electric energy meter 11 through the vent holes 5, the temperature of the electric energy meter is moderate, the service life of the electric energy meter is ensured, and after the temperature in the device is heated by the heating wire 4, the solid water 111 melts, and the conductive plate 105 moves to the original position under the elastic force of the spring 104, so that the device supplies power intermittently, the electric energy is saved, and meanwhile, the baffle 13 and the expansion plate 12 can slow down the heat dissipation speed.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other forms of embodiment without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (4)
1. The utility model provides a guarantee heating device for electric energy meter performance under low temperature environment which characterized in that: the electric heating wire insulation device comprises an insulation outer shell (1), two limiting blocks (2), an insulation inner shell (3), an electric heating wire (4), three wires (6), a plurality of insulation rods (7), a power supply (8), a plurality of metal sheets (9), a control device (10), a telescopic plate (12) and two baffles (13); the heat-preservation inner shell (3) is sleeved on the outer side of the electric energy meter (11), and a plurality of vent holes (5) penetrating through the heat-preservation inner shell (3) are formed in the heat-preservation inner shell (3); the control device (10) is placed at the upper end of the heat-insulating inner shell (3); the power supply (8) is fixed at the upper end of the heat-insulating inner shell (3) through a bolt; the heat-insulation outer shell (1) is arranged on the outer side of the heat-insulation inner shell (3), the top end of the inner wall of the heat-insulation outer shell (1) is fixedly connected with the control device (10), the inner walls on the two sides of the heat-insulation outer shell (1) are fixedly connected with limit blocks (2), and each limit block (2) is in contact with the outer side wall of the heat-insulation inner shell (3); the insulating rods (7) are fixedly connected to the inner wall of the top end of the heat-insulating shell (1), and the insulating rods (7) are arranged on two sides of the power supply (8) and the control device (10) in pairs; one wire (6) is positioned between the power supply (8) and the control device (10), two ends of the wire are fixed on the corresponding insulating rods (7), one end of the other two wires (6) is fixedly connected to the corresponding insulating rods (7), the other end of the other two wires is connected with the electric heating wire (4), one end of each wire (6), which is close to the power supply (8) or the control device (10), is fixedly connected with a corresponding metal sheet (9), and the wire (6) is electrically connected with the power supply (8) or the control device (10) through the metal sheet (9); the electric heating wire (4) is arranged around the heat-insulating inner shell (3); the two baffles (13) are symmetrical left and right and are fixedly connected to the front end of the heat-insulating outer shell (1), and the baffles (13) are also contacted with the front end surface of the heat-insulating inner shell (3); the fixed ends of the two expansion plates (12) are fixedly connected to the heat-insulating shell (1), the movable ends of the expansion plates (12) are fixedly connected to the heat-insulating inner shell (3), and the two expansion plates (12) are vertically symmetrical about a central line of the heat-insulating shell (1).
2. The heating device for guaranteeing the performance of the electric energy meter in the low-temperature environment according to claim 1, characterized in that: the control device (10) comprises a fixed cylinder (101), two conducting strips (102), an insulating plate I (103), a spring (104), a conducting plate (105), an insulating plate II (106), an L-shaped sliding rod I (108), an elastic rubber bag (110), water (111), a telescopic rod (112), an insulating plate III (113), a fixed block (115) and an L-shaped sliding rod II (116); through holes are symmetrically formed in two sides of the fixed cylinder (101), the upper end of the fixed cylinder (101) is fixedly connected to the heat-insulation outer shell (1), and the lower end of the fixed cylinder (101) is placed on the heat-insulation inner shell (3); the two conducting strips (102) are fixedly connected in the corresponding through holes; the conductive plate (105) is in sliding fit with the fixed cylinder (101), the upper end of the conductive plate (105) is fixedly connected with an insulating plate I (103), and the lower end of the conductive plate (105) is fixedly connected with an insulating plate II (106); one end of the spring (104) is fixedly connected to the heat-insulating shell (1), and the other end of the spring (104) is fixedly connected to the insulating plate I (103); the lower end of the insulating plate II (106) is provided with a T-shaped sliding chute I (107), one end of an L-shaped sliding rod II (116) is in sliding fit with the T-shaped sliding chute I (107), and the upper end of the other end of the L-shaped sliding rod II (116) is fixedly connected with a telescopic rod (112); the fixing block (115) is fixedly connected to the inner side wall of the fixing barrel (101), the side face of the fixing block (115) is an inclined face, and a T-shaped sliding groove II (114) is formed in the inclined face; the corner of the L-shaped sliding rod II (116) is in sliding fit with the T-shaped sliding groove II (114); the elastic rubber bag (110) is fixed at the upper end of the heat-insulation inner shell (3), water is arranged in the elastic rubber bag (110), an insulating plate III (113) is placed at the upper end of the elastic rubber bag (110), the insulating plate III (113) is located below the fixing block (115), and a T-shaped sliding groove III (109) is formed in the upper end of the insulating plate III (113); one end of the L-shaped sliding rod I (108) is in sliding fit with the T-shaped sliding groove III (109), and the other end of the L-shaped sliding rod I (108) is fixedly connected to the upper end of the telescopic rod (112); the insulating plate I (103), the insulating plate II (106) and the insulating plate III (113) are in sliding fit with the fixed cylinder (101); the metal sheet (9) is in contact with the conductive sheet (102).
3. The heating device for guaranteeing the performance of the electric energy meter in the low-temperature environment according to claim 2, characterized in that: when the water (111) is in a liquid state, the conductive plate (105) is positioned below the conductive plate (102), and a gap is reserved between the insulating plate III (113) and the fixed block (115).
4. The heating device for guaranteeing the performance of the electric energy meter in the low-temperature environment according to claim 2, characterized in that: the spring (104) is in a compressed state when the conductive plate (105) is in contact with the conductive plate (102).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121219845.1U CN214845436U (en) | 2021-06-02 | 2021-06-02 | Heating device for guaranteeing electric energy meter performance under low-temperature environment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121219845.1U CN214845436U (en) | 2021-06-02 | 2021-06-02 | Heating device for guaranteeing electric energy meter performance under low-temperature environment |
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| Publication Number | Publication Date |
|---|---|
| CN214845436U true CN214845436U (en) | 2021-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121219845.1U Expired - Fee Related CN214845436U (en) | 2021-06-02 | 2021-06-02 | Heating device for guaranteeing electric energy meter performance under low-temperature environment |
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| Country | Link |
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| CN (1) | CN214845436U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115902328A (en) * | 2022-12-26 | 2023-04-04 | 国网黑龙江省电力有限公司供电服务中心 | Constant temperature device and constant temperature method for electric energy meter in alpine region |
| CN117192469A (en) * | 2023-09-12 | 2023-12-08 | 国网黑龙江省电力有限公司营销服务中心 | Electric energy meter fault simulation device and application method thereof |
-
2021
- 2021-06-02 CN CN202121219845.1U patent/CN214845436U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115902328A (en) * | 2022-12-26 | 2023-04-04 | 国网黑龙江省电力有限公司供电服务中心 | Constant temperature device and constant temperature method for electric energy meter in alpine region |
| CN115902328B (en) * | 2022-12-26 | 2023-07-04 | 国网黑龙江省电力有限公司供电服务中心 | Electric energy meter constant temperature device and constant temperature method in alpine region |
| CN117192469A (en) * | 2023-09-12 | 2023-12-08 | 国网黑龙江省电力有限公司营销服务中心 | Electric energy meter fault simulation device and application method thereof |
| CN117192469B (en) * | 2023-09-12 | 2024-04-16 | 国网黑龙江省电力有限公司营销服务中心 | Electric energy meter fault simulation device and application method thereof |
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Granted publication date: 20211123 |