CN218098015U - Electronic balance - Google Patents
Electronic balance Download PDFInfo
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- CN218098015U CN218098015U CN202222048304.8U CN202222048304U CN218098015U CN 218098015 U CN218098015 U CN 218098015U CN 202222048304 U CN202222048304 U CN 202222048304U CN 218098015 U CN218098015 U CN 218098015U
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- temperature control
- pipe
- electronic balance
- fixed frame
- control box
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- 239000007788 liquid Substances 0.000 claims abstract description 53
- 238000010438 heat treatment Methods 0.000 claims abstract description 29
- 238000005192 partition Methods 0.000 claims abstract description 8
- 238000005057 refrigeration Methods 0.000 claims description 11
- 239000011521 glass Substances 0.000 claims description 10
- 230000001681 protective effect Effects 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 4
- 238000005259 measurement Methods 0.000 abstract description 5
- 238000005303 weighing Methods 0.000 description 11
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004880 explosion Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
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- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
An electronic balance comprises an electronic balance main body, a fixed frame, a door frame, a slide bar, a push button, a circulating pipe, a liquid inlet pipe and a liquid outlet pipe; the fixing frame is arranged on the electronic balance main body, and the door frame is arranged on the fixing frame in a sliding manner through the sliding strip; the supporting plate is arranged at the top of the fixed frame, the circulating pipe is arranged on the fixed frame, and the supporting plate is provided with a temperature control device for adjusting the temperature of liquid in the circulating pipe; the liquid inlet pipe is arranged at one end of the circulating pipe and is communicated with the temperature control device, and the liquid outlet pipe is arranged at the other end of the circulating pipe and is communicated with the temperature control device; the partition plate is arranged on the temperature control box and divides the temperature control box into a refrigerating chamber and a heating chamber; the circulating pump is arranged on the temperature control box, the liquid inlet end of the circulating pump is communicated with the refrigerating chamber, and the liquid outlet opposite end of the circulating pump is communicated with the heating chamber. The utility model discloses a temperature control device heats or refrigerates fixed frame inside with liquid through the circulating pipe for inside and outside temperature is the same, gets rid of the interference air current, improves measurement accuracy.
Description
Technical Field
The utility model relates to a weighing equipment technical field especially relates to an electronic balance.
Background
The electronic balance is a precise weighing product which is most accurate in weighing light weight, minimum in measuring range and lowest in division value. The method is generally suitable for units such as industry, agriculture, commerce, schools, hospitals, scientific research and the like, and the units often need to perform rapid measurement and have certain requirements on sensitivity, stability and the like. Therefore, the windshield is especially important when the electronic balance is used for weighing in these occasions, and is an essential accessory in the electronic balance weighing. However, in the current market, the side door of a wind cover of many electronic balances generally runs unsmoothly and is easy to incline in the using process, which causes great inconvenience to users.
Chinese patent No. CN206974536U discloses an electronic balance fan housing and an electronic balance including the same; through having improved the connection structure between side door glass and the fan housing, exert certain power to side door glass for side door glass keeps the level in the removal, avoids the slope, thereby guarantees that side door glass switch slides smoothly. The electronic balance fan cover is simple and convenient to install, reliable to use and low in cost; however, during weighing, the sample and the container must be kept at the same temperature as the weighing chamber; when the temperatures are different, up-and-down disturbance airflow is generated in the weighing chamber; when the high-precision electronic balance is used, the drift of the indicating value or wrong weighing result is very easy to cause, and the utility model does not have the function of temperature regulation.
SUMMERY OF THE UTILITY MODEL
Objects of the invention
For solving the technical problem who exists among the background art, the utility model provides an electronic balance surveys the inside and outside differential temperature activity data of fixed frame through electronic thermometer and temperature sensor, heats or refrigerates and heats or refrigerates liquid through the circulating pipe to fixed frame inside through temperature control device for inside and outside temperature is the same, gets rid of the interference air current, improves measurement accuracy.
(II) technical scheme
The utility model provides an electronic balance, which comprises an electronic balance main body, a fixed frame, a door frame, a slide bar, a push button, a circulating pipe, a supporting plate, a liquid inlet pipe and a liquid outlet pipe;
the fixing frame is arranged on the electronic balance main body, and the door frame is arranged on the fixing frame in a sliding mode through the sliding strip; transparent glass is arranged on the fixing frame and the door frame; the supporting plate is arranged at the top of the fixed frame, the circulating pipe is arranged on the fixed frame, and the supporting plate is provided with a temperature control device for adjusting the temperature of liquid in the circulating pipe; the liquid inlet pipe is arranged at one end of the circulating pipe and is communicated with the liquid inlet end of the temperature control device, and the liquid outlet pipe is arranged at the other end of the circulating pipe and is communicated with the liquid outlet end of the temperature control device;
the temperature control device comprises a temperature control box, refrigeration equipment, heating equipment, a protective cover, a circulating pump and a partition plate; the partition plate is arranged on the temperature control box and divides the temperature control box into a refrigerating chamber and a heating chamber; the circulating pump is arranged on the temperature control box, the liquid inlet end of the circulating pump is communicated with the refrigerating chamber, and the liquid outlet opposite end of the circulating pump is communicated with the heating chamber; the refrigerating equipment is arranged on the temperature control box and is positioned in the refrigerating chamber, and the heating equipment is arranged on the temperature control box and is positioned in the heating chamber; the temperature control box is internally provided with a one-way valve and a control valve, the one-way valve is positioned in the refrigerating chamber and between the liquid inlet pipe and the refrigerating equipment, and the control valve is positioned in the heating chamber and between the liquid outlet pipe and the heating equipment.
Preferably, the device also comprises a push button; the push button is detachably connected with the doorframe thread.
Preferably, the fixing frame is provided with an electronic thermometer for detecting the temperature of the outside and the inner side of the fixing frame.
Preferably, a sealing gasket is arranged between the fixing frame and the door frame.
Preferably, the temperature control box is provided with a water adding pipe for adding liquid.
Preferably, the device further comprises a protective cover; the protective cover is arranged on the temperature control box and covers the circulating pump.
Preferably, the flow direction of the one-way valve is from the liquid inlet pipe to the circulating pump.
Compared with the prior art:
1. detecting the temperature inside and outside the upper fixed frame of the electronic balance main body through an electronic thermometer on the fixed frame, and adding water into the temperature control device through a water adding pipe; a processor in the electronic balance main body receives the temperature signal and starts a circulating pump and a control valve, if heating is needed, a heating device is started to heat liquid and heat the internal temperature of the fixed frame through the circulating pipe; when refrigeration is needed, the refrigeration equipment is started to reduce the liquid temperature and the internal temperature of the fixed frame is reduced through the circulating pipe; the temperature inside and outside the fixed frame is consistent, the phenomenon that the temperature is different, the up-and-down disturbance airflow in the weighing chamber is generated to increase interference is prevented, and the interference airflow is effectively removed;
2. the door frame and the transparent glass are pulled by the push button to seal the fixing frame, so that the influence of external air flow is prevented; the measurement precision is improved.
Drawings
Fig. 1 is a schematic structural view of an electronic balance according to the present invention.
Fig. 2 is an explosion structure diagram of an electronic balance according to the present invention.
Fig. 3 is a schematic structural diagram of a temperature control assembly in an electronic balance according to the present invention.
Reference numerals are as follows: 1. an electronic balance main body; 2. a fixing frame; 3. a door frame; 4. a slide bar; 5. a push button; 6. an electronic thermometer; 7. transparent glass; 8. a circulation pipe; 9. a support plate; 10. a liquid inlet pipe; 11. a liquid outlet pipe; 12. a temperature control device; 13. a temperature control box; 14. a one-way valve; 15. a control valve; 16. a refrigeration device; 17. a heating device; 18. a protective cover; 19. a circulation pump; 20. a partition plate; 21. and (4) adding a water pipe.
Detailed Description
As shown in fig. 1-3, the electronic balance of the present invention comprises an electronic balance body 1, a fixing frame 2, a door frame 3, a slide bar 4, a push button 5, a circulating pipe 8, a supporting plate 9, a liquid inlet pipe 10 and a liquid outlet pipe 11;
the fixed frame 2 is arranged on the electronic balance main body 1; the lower end face of the electronic balance main body 1 is provided with a plurality of supporting legs, and each supporting leg is made of rubber materials; the door frame 3 is arranged on the fixed frame 2 in a sliding way through a sliding strip 4; transparent glass 7 is arranged on the fixing frame 2 and the door frame 3; the supporting plate 9 is arranged at the top of the fixed frame 2, the circulating pipe 8 is arranged on the fixed frame 2, and the temperature control device 12 for adjusting the temperature of the liquid in the circulating pipe 8 is arranged on the supporting plate 9; the liquid inlet pipe 10 is arranged at one end of the circulating pipe 8 and is communicated with the liquid inlet end of the temperature control device 12, and the liquid outlet pipe 11 is arranged at the other end of the circulating pipe 8 and is communicated with the liquid outlet end of the temperature control device 12;
the temperature control device 12 comprises a temperature control box 13, a refrigeration device 16, a heating device 17, a protective cover 18, a circulating pump 19 and a partition plate 20; the partition plate 20 is arranged on the temperature control box 13 and divides the temperature control box 13 into a refrigerating chamber and a heating chamber; the circulating pump 19 is arranged on the temperature control box 13, the liquid inlet end of the circulating pump 19 is communicated with the refrigerating chamber, and the liquid outlet opposite end of the circulating pump 19 is communicated with the heating chamber; the refrigerating device 16 is arranged on the temperature control box 13 and is positioned in the refrigerating chamber, and the heating device 17 is arranged on the temperature control box 13 and is positioned in the heating chamber; a one-way valve 14 and a control valve 15 are arranged in the temperature control box 13, the one-way valve 14 is positioned in the refrigerating chamber and is positioned between the liquid inlet pipe 10 and the refrigerating equipment 16, and the control valve 15 is positioned in the heating chamber and is positioned between the liquid outlet pipe 11 and the heating equipment 17; also comprises a push button 5; the push button 5 is detachably connected with the door frame 3 through threads; the fixed frame 2 is provided with an electronic thermometer 6 for detecting the temperature of the outside and the inner side of the fixed frame 2, so that an operator can conveniently and visually know the temperature; a sealing gasket is arranged between the fixed frame 2 and the door frame 3, so that the sealing property is improved; a water adding pipe 21 for adding liquid is arranged on the temperature control box 13; a protective cover 18; the protective cover 18 is arranged on the temperature control box 13 and covers the circulating pump 19; the flow direction of the non-return valve 14 is from the inlet pipe 10 to the circulation pump 19.
In the utility model, when in use, the electronic balance main body 1 is electrified and started, the temperature inside and outside the fixed frame 2 of the electronic balance main body 1 is detected through the electronic thermometer 7, and water is added into the temperature control device 12 through the water adding pipe 21; a processor in the electronic balance main body 1 receives the temperature signal and starts a circulating pump 19 and a control valve 15, if heating is needed, a heating device 17 is started to heat liquid and heat the internal temperature of the fixing frame 2 through a circulating pipe 8; when refrigeration is needed, the refrigeration equipment 16 is started to reduce the liquid temperature and the internal temperature of the fixed frame 2 is reduced through the circulating pipe 8; after the temperature inside and outside the fixed frame 2 is consistent, placing an object to be measured on a weighing platform, and pulling the door frame 3 and the transparent glass 7 through the push button 5 to seal the fixed frame 2 so as to prevent the influence of external air flow; the utility model discloses an electronic thermometer and temperature sensor survey the inside and outside difference in temperature activity data of fixed frame, heat or refrigerate and pass through liquid circulation pipe to heating or refrigeration fixed frame inside through temperature control device for inside and outside temperature is the same, gets rid of the interference air current, improves measurement accuracy.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modifications, equivalents, improvements and the like which are made without departing from the spirit and scope of the present invention should be considered within the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (7)
1. An electronic balance is characterized by comprising an electronic balance main body (1), a fixed frame (2), a door frame (3), a slide bar (4), a push button (5), a circulating pipe (8), a support plate (9), a liquid inlet pipe (10) and a liquid outlet pipe (11);
the fixed frame (2) is arranged on the electronic balance main body (1), and the door frame (3) is arranged on the fixed frame (2) in a sliding manner through a sliding strip (4); transparent glass (7) is arranged on the fixing frame (2) and the door frame (3); the supporting plate (9) is arranged at the top of the fixed frame (2), the circulating pipe (8) is arranged on the fixed frame (2), and the supporting plate (9) is provided with a temperature control device (12) for adjusting the temperature of liquid in the circulating pipe (8); the liquid inlet pipe (10) is arranged at one end of the circulating pipe (8) and is communicated with the liquid inlet end of the temperature control device (12), and the liquid outlet pipe (11) is arranged at the other end of the circulating pipe (8) and is communicated with the liquid outlet end of the temperature control device (12);
the temperature control device (12) comprises a temperature control box (13), refrigeration equipment (16), heating equipment (17), a protective cover (18), a circulating pump (19) and a partition plate (20); the partition plate (20) is arranged on the temperature control box (13) and divides the temperature control box (13) into a refrigerating chamber and a heating chamber; the circulating pump (19) is arranged on the temperature control box (13), the liquid inlet end of the circulating pump (19) is communicated with the refrigerating chamber, and the liquid outlet opposite end of the circulating pump (19) is communicated with the heating chamber; the refrigeration equipment (16) is arranged on the temperature control box (13) and is positioned in the refrigeration chamber, and the heating equipment (17) is arranged on the temperature control box (13) and is positioned in the heating chamber; a check valve (14) and a control valve (15) are arranged in the temperature control box (13), the check valve (14) is positioned in the refrigerating chamber and is positioned between the liquid inlet pipe (10) and the refrigerating equipment (16), and the control valve (15) is positioned in the heating chamber and is positioned between the liquid outlet pipe (11) and the heating equipment (17).
2. An electronic balance according to claim 1, further comprising a push button (5); the push button (5) is detachably connected with the doorframe (3) through threads.
3. An electronic balance according to claim 1, characterized in that the fixed frame (2) is provided with an electronic thermometer (6) for detecting the temperature of the outside and inside of the fixed frame (2).
4. An electronic balance according to claim 1, characterized in that a sealing gasket is provided between the fixed frame (2) and the door frame (3).
5. An electronic balance according to claim 1, wherein the temperature control box (13) is provided with a water feed pipe (21) for feeding liquid.
6. An electronic balance according to claim 1, further comprising a protective cover (18); the protective cover (18) is arranged on the temperature control box (13) and covers the circulating pump (19).
7. An electronic balance according to claim 1, characterized in that the flow direction of the non-return valve (14) is from the inlet pipe (10) to the circulation pump (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222048304.8U CN218098015U (en) | 2022-08-04 | 2022-08-04 | Electronic balance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222048304.8U CN218098015U (en) | 2022-08-04 | 2022-08-04 | Electronic balance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218098015U true CN218098015U (en) | 2022-12-20 |
Family
ID=84485534
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222048304.8U Active CN218098015U (en) | 2022-08-04 | 2022-08-04 | Electronic balance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218098015U (en) |
-
2022
- 2022-08-04 CN CN202222048304.8U patent/CN218098015U/en active Active
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