CN203443646U - Balance mechanical structure of microcomputer differential thermal balance measurement device - Google Patents
Balance mechanical structure of microcomputer differential thermal balance measurement device Download PDFInfo
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- CN203443646U CN203443646U CN201320445764.2U CN201320445764U CN203443646U CN 203443646 U CN203443646 U CN 203443646U CN 201320445764 U CN201320445764 U CN 201320445764U CN 203443646 U CN203443646 U CN 203443646U
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- balance
- differential thermal
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- support bar
- crossbeam
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Abstract
The utility model discloses a balance mechanical structure of a microcomputer differential thermal balance measurement device. The balance mechanical structure comprises a balance cross beam system, a supporting rod system, a suspension system, a balance bottom seat, a balance base and a balance protection cover; the balance cross beam system is mainly used for ensuring the horizontal state of a cross beam through optical properties of a photoelectric detector and changing the position of a leveling weight; the supporting rod system is connected with a differential thermal sensor so as to support and stabilize a sample crucible; the suspension system is composed of an electromagnetic balancing coil, an electric zero setting coil and the like; the suspension system operates in cooperation with the photoelectric detector, when a balance titles slightly due to weight changes, the photoelectric sensor generates a signal of corresponding polarity, and the signal is transmitted to a weight measurement amplifier control circuit unit, such that an external computer is connected, and therefore, communication detection can be performed with the computer.
Description
Technical field
The utility model relates to a kind of balance physical construction of microcomputer differential thermal balance measurement mechanism, particularly microcomputer differential thermal balance measurement mechanism.
Background technology
Differential thermal balance is a kind of important thermal-analysis instrumentation, and at present domestic existing differential thermal balance exists following not enough: thermogravimetric Measurement Resolution is low, and the thermogravimetric drift that in temperature-rise period, flow perturbation produces is large, and in temperature-rise period, the performance of γ-ray emission weightening finish error is large; Measuring accuracy is poor; Balance moves inconvenience, and amount of samples is few etc.
Summary of the invention
The purpose of this utility model is to provide the balance physical construction of microcomputer differential thermal balance measurement mechanism, low to solve the thermogravimetric Measurement Resolution that traditional differential thermal balance exists, the thermogravimetric drift that in temperature-rise period, flow perturbation produces is large, and in temperature-rise period, the performance of γ-ray emission weightening finish error is large; Measuring accuracy is poor; Balance moves inconvenience; The problems such as amount of samples is few.
The technical scheme that the utility model addresses the above problem is:
The balance physical construction of microcomputer differential thermal balance measurement mechanism comprises balance transverse beam system, support rod system, suspension, balance base, balance pedestal and balance protective cover.Within whole day, flat structure belongs to zero-bit formula mechanical balance category, ware, equiarm, gallus-type balance in employing.Described balance transverse beam system mainly guarantees crossbeam level by the optical characteristics of photoelectric detector and the position of change leveling stone roller of crossbeam one end, whole balance crossbeam is hung and is fixed on hanging strip rack by nylon sling, and by the leveling serew up and down of hanging strip rack gabarit, regulated the vertical floating balance of support bar, at the crossbeam other end, by suspender belt side arm, be connected and fixed a balance suspension hook and balance suspension ring, the two is jointly for hanging the parts such as the balanced weight of balance and magnetic core, support rod system is by the effect with playing the firm sample crucible of support being connected of differential thermal sensor, sample tray is real is a tabular utmost point of differential thermal sensor thermopair, support bar is a hollow ceramic bar, be connected with a tabular utmost point with the internal cavity of the tabular opposite polarity linear utmost point of thermopair through support bar, the differential thermal that completes sample and reference substance is measured, ceramic support bar is fixed on socket for supporting rods, and on balance support bar, add a blast fence, in the excessive and temperature-rise period of the thermogravimetric drift of avoiding flow perturbation in temperature-rise period to produce, the performance weightening finish error of γ-ray emission is excessive, suspension is comprised of electromagnetic type balancing coil and electricity zeroing coil etc., when connecting external circuit, act synergistically with photoelectric detector, when there is small skew because sample mass changes in balance, photoelectric sensor just produces the signal of a corresponding polarity, deliver to check weighing amplifier control circuit unit and connect outer computer, communicate detection with computing machine, transverse beam system, support rod system and suspension are connected and fixed by mechanical framework, form the agent structure of balance, mechanical framework is connected in again on balance pedestal, thereby fixing whole balance, and on balance base plate, add a pair of balance locking rack, before mobile balance, balance crossbeam is locked, facilitate movement and the transportation of balance, this installs the thermogravimetric of practicable several samples under different condition and measures, and the thermogravimetric meeting from micro-example to heavy dose of sample is measured.
Suspender belt as above is film strip, sticks with glue and is connected together with hanging strip rack.
Balance support bar is a hollow ceramic bar as mentioned above, in the linearity of thermopair one utmost point is wrapped in.
Blast fence structure as above adopts refractory ceramics.
Balance photodetector system as above comprises silicon photocell, light emitting diode and grating.
The utility model is compared tool with traditional thermobalance and is had the following advantages:
1. adopt blast fence, avoid the performance weightening finish error of γ-ray emission in excessive thermogravimetric drift that in temperature-rise period, flow perturbation produces and temperature-rise period;
2. in mass measurement, adopt film strip (can, according to different range of weighing, select metallic film band or plastic film tape) to do total body overhang of balance, and rotate with hitch point, carry out the measurement of quality.
3. quantity of sample handling can be at 0-5000mg.
4. adopt the method for the locked balance crossbeam of balance locking rack, can avoid the damage to balance in handling process.
Accompanying drawing explanation
Fig. 1 is the structural representation of balance transverse beam system.
Fig. 2 is balance support rod system and the integrally-built schematic diagram of suspension
Fig. 3 is the schematic diagram of balance suspender belt syndeton.
Embodiment
Below in conjunction with accompanying drawing and preferred embodiment, to the embodiment providing according to the utility model, structure, feature and working specification thereof, be described in detail as follows.
The balance physical construction of microcomputer differential thermal balance measurement mechanism as shown in Figures 1 to 3, comprises balance transverse beam system (as shown in Figure 1), support rod system (as shown in Figure 2), suspension (as shown in Figure 2), balance base, balance pedestal and balance protective cover.Within whole day, flat structure belongs to zero-bit formula mechanical balance category, ware, equiarm, gallus-type balance in employing.Described balance transverse beam system mainly guarantees crossbeam level by the optical characteristics of photoelectric detector 2 and the position of change leveling stone roller 4 of crossbeam 5 one end, whole balance crossbeam is hung and is fixed on hanging strip rack 7 by nylon sling 26, and by the leveling serew up and down 6 of hanging strip rack gabarit, regulated the vertical floating balance of support bars, at the crossbeam other end, by suspender belt side arm 9, be connected and fixed a balance suspension hook 10 and balance suspension ring 11, the two is jointly for hanging the parts such as the balanced weight 24 of balance and magnetic core 21, support rod system is by the effect with playing the firm sample crucible 12 of support being connected of differential thermal sensor 13, sample tray is real is a tabular utmost point of differential thermal sensor thermopair, support bar is a hollow ceramic bar, be connected with a tabular utmost point with the internal cavity of the tabular opposite polarity linear utmost point of thermopair through support bar, the differential thermal that completes sample and reference substance is measured, ceramic support bar is fixed on socket for supporting rods 15, and on balance support bar, add a blast fence, in the excessive and temperature-rise period of the thermogravimetric drift of avoiding flow perturbation in temperature-rise period to produce, the performance weightening finish error of γ-ray emission is excessive, suspension is comprised of electromagnetic type balancing coil and electricity zeroing coil etc., when connecting external circuit, act synergistically with photoelectric detector, when there is small skew because sample mass changes in balance, photoelectric sensor just produces the signal of a corresponding polarity, deliver to check weighing amplifier control circuit unit and connect outer computer, communicate detection with computing machine, transverse beam system, support rod system and suspension are connected and fixed by mechanical framework 17, form the agent structure of balance, mechanical framework is connected in again on balance pedestal, thereby fixing whole balance, and on balance base plate, add a pair of balance locking rack, before mobile balance, balance crossbeam is locked, facilitate movement and the transportation of balance, this installs the thermogravimetric of practicable several samples under different condition and measures, and sample size can reach 0-5000mg.
In the example shown in Fig. 1, sample crucible is placed on differential thermal pallet, connect good body of heater; Connect chilled water, open balance protection gas entrance and inject protection gas, open temperature control system and be warming up to temperature requiredly, start after reaction, measuring system directly outputs to computer display window by control system and data acquisition software by the variation of example weight.
Claims (2)
1. the balance physical construction of a microcomputer differential thermal balance measurement mechanism, it is characterized in that, comprise balance transverse beam system, support rod system, suspension, balance base, balance pedestal and balance protective cover, whole balance adopts upper ware, equiarm, gallus-type balance, described balance transverse beam system is by the optical characteristics of the photoelectric detector of crossbeam one end and the position assurance crossbeam level that changes leveling stone roller, whole balance crossbeam is hung and is fixed on hanging strip rack by nylon sling, and by the leveling serew up and down of hanging strip rack gabarit, regulated the vertical floating balance of support bar, at the crossbeam other end, by suspender belt side arm, be connected and fixed a balance suspension hook and balance suspension ring, the two is jointly for hanging balanced weight and the magnetic core of balance, support rod system is connected with differential thermal sensor, sample tray is real is a tabular utmost point of differential thermal sensor thermopair, support bar is a hollow ceramic bar, be connected with a tabular utmost point with the internal cavity of the tabular opposite polarity linear utmost point of thermopair through support bar, the differential thermal that completes sample and reference substance is measured, ceramic support bar is fixed on socket for supporting rods, and adds a blast fence on balance support bar, suspension comprises electromagnetic type balancing coil and electricity zeroing coil, transverse beam system, support rod system and suspension are connected and fixed by mechanical framework, form the agent structure of balance, and mechanical framework is connected in again on balance pedestal, and on balance base plate, adds a pair of balance locking rack.
2. the balance physical construction of microcomputer differential thermal balance measurement mechanism as claimed in claim 1, is characterized in that: described blast fence structure adopts refractory ceramics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320445764.2U CN203443646U (en) | 2013-07-25 | 2013-07-25 | Balance mechanical structure of microcomputer differential thermal balance measurement device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320445764.2U CN203443646U (en) | 2013-07-25 | 2013-07-25 | Balance mechanical structure of microcomputer differential thermal balance measurement device |
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| Publication Number | Publication Date |
|---|---|
| CN203443646U true CN203443646U (en) | 2014-02-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320445764.2U Expired - Lifetime CN203443646U (en) | 2013-07-25 | 2013-07-25 | Balance mechanical structure of microcomputer differential thermal balance measurement device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111721657A (en) * | 2019-03-22 | 2020-09-29 | 北京恒久实验设备有限公司 | Array type magnetic core arrangement structure of analytical instrument |
-
2013
- 2013-07-25 CN CN201320445764.2U patent/CN203443646U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111721657A (en) * | 2019-03-22 | 2020-09-29 | 北京恒久实验设备有限公司 | Array type magnetic core arrangement structure of analytical instrument |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Beijing cyber Scientific Instrument Co.,Ltd. Assignor: Sun Lixin Contract record no.: 2014990000633 Denomination of utility model: Balance mechanical structure of microcomputer differential thermal balance measurement device Granted publication date: 20140219 License type: Exclusive License Record date: 20140807 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140219 |
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| CX01 | Expiry of patent term |