CN2484551Y - Differential heat meter - Google Patents

Differential heat meter Download PDF

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Publication number
CN2484551Y
CN2484551Y CN 01240511 CN01240511U CN2484551Y CN 2484551 Y CN2484551 Y CN 2484551Y CN 01240511 CN01240511 CN 01240511 CN 01240511 U CN01240511 U CN 01240511U CN 2484551 Y CN2484551 Y CN 2484551Y
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CN
China
Prior art keywords
vane wheel
variable vane
wheel assembly
heat
differential calorimeter
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Expired - Fee Related
Application number
CN 01240511
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Chinese (zh)
Inventor
杨冠军
韩峰
黄仁忠
李长久
孙波
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Xian Jiaotong University
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Xian Jiaotong University
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Priority to CN 01240511 priority Critical patent/CN2484551Y/en
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Publication of CN2484551Y publication Critical patent/CN2484551Y/en
Anticipated expiration legal-status Critical
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Abstract

The utility model discloses a differential heat meter used for measuring fluid heat in respect of heating, etc. The meter consists of a meter housing, variable impeller parts, a gear assembly, a transmission gear, a counting indication device, etc. The variable impeller parts are arranged in the flowing cavity of fluid, the transmission gear of which engages with the gear assembly. Due to the adoption of variable impeller parts, the wing curvature of the variable impeller varies with the fluid temperature; by adopting two variable impeller parts or one variable impeller parts and one fixed impeller part, after the counting indication device displays a heat value under the driving force of gear assembly and transmission gear, the aim of measuring heat is fulfilled. By applying the utility model, the heat counting by one meter is realized, the quantity of heat meter is reduced and the cost for heat meter is decreased.

Description

Differential calorimeter
The utility model relates to a kind of heat metering instrument, specifically a kind of differential calorimeter that is used to the fluid heat supply calorimetric metering of aspects such as heating.
Heating-amount table commonly used at present is all based on temperature one flow integral principle, temperature signal is responded to by thermal sensing elements such as thermopair, thermometal, corrugated tubes, flow waits by impeller, electromagnetic flowmeter to be responded to, and carries out integral operation through parts such as integrator, single-chip microcomputer or mechanical friction mechanism, change tooth driving gear set again and obtains calorie value.In these existing calorimeters, temperature and flow are to respond to respectively by two individual components, and complex structure costs an arm and a leg.Variable Impeller-type Calorimeter needs two tables in using such as occasions such as heating heat meterings, increased user's financial burden, and relative complex is installed.
At the problem that exists in the background technology part, the purpose of this utility model provides a kind of simple in structure, with low cost, and can realize the differential calorimeter of single exterior heat metering.
To achieve these goals, the technical solution adopted in the utility model is: utilize variable vane wheel to respond to the heat of high temperature and cryogen respectively, the rotation of one or two variable vane wheel axle or rotating torque produce the signal of fluid heat supply amount in differential mode, and this signal obtains calorie value through counting display device again.
The utility model comprises a watchcase 1, be provided with a pair of fluid cavity 3 that flows and the cavity 2 that is used to install transmission component of making in the watchcase 1, gear set 4 is housed in the cavity 2, gear set 4 and transmission gear 5 engagements, and drive counting assembly 6, be characterized in: in the cavity 3 that fluid flows, also be provided with variable vane wheel assembly 7, the transmission gear of variable vane wheel assembly 7 and gear set 4 engagements.
Other characteristics of the utility model are: variable vane wheel assembly 7 be by the fin bearing support 12 on the axle 11 of belt driving gear, axle 11 the external diameter, and the fin 13 of fin bearing support 12 combine; Variable vane wheel assembly 7 can be two, also can be one and be the variable vane wheel assembly, and one is constant impeller assembly; The fin 13 of variable vane wheel assembly 7 adopts bimetallic strip or temperature-sensitive material to make; Variable vane wheel assembly 7 can be made into rotary wind type, also can make spiral type; The rotation of the impeller shaft of two variable vane wheel assemblies 7 is through gear set engagement and counting display device 6 engagements; The axle of two variable vane wheel assemblies 7 can be connected as a single entity, transmission gear on the axle and counting display device 6 engagements.
The utility model has adopted the variable vane wheel assembly, has realized single exterior heat function of measuring, has reduced the consumption of calorimeter, has reduced the calorimeter cost, and the enforcement of this utility model will advance heat charge reform and promote heating energy.
Fig. 1 is the structural representation of a kind of rotary wind type variable vane wheel assembly when low temperature;
Fig. 2 is the structural representation of a kind of rotary wind type variable vane wheel assembly when high temperature;
Fig. 3 is the structural representation of a kind of spiral type variable vane wheel assembly when low temperature;
Fig. 4 is the structural representation of a kind of spiral type variable vane wheel assembly when high temperature;
Fig. 5 is a kind of rotation differential calorimeter structure diagram;
Fig. 6 is a kind of rotating torque differential calorimeter structure diagram;
Fig. 7 is a kind of rotating torque differential calorimeter structure diagram of non-contact inductive;
Fig. 8 is a kind of moment differential calorimeter structure diagram that contains a constant impeller assembly.
Be described in further detail of the present utility model below in conjunction with drawings and Examples.But the utility model is not limited to these embodiment.
Embodiment 1: referring to Fig. 1,2.Shown in the figure is a kind of a kind of embodiment of rotary wind type variable vane wheel assembly.Be installed in fin 13 bimetallic strip or the temperature-sensitive material for have definite shape, size of axle on 11 of variable vane wheel assembly 7, and the active layers that makes bimetallic strip or temperature-sensitive material is towards fin arc inboard (outside).When temperature raise, the curvature of bimetallic strip reduced (increase), caused the effective dimensions of rotor obviously to become big (diminishing), as shown in Figure 2.The rotating speed of variable vane wheel assembly also reflects the height of temperature except linearity reflection flow, and the linear reflection of airfoil assurance variable vane wheel assembly rotating speed temperature information, thereby realizes the metering of heat.
Embodiment 2: referring to Fig. 3,4.That shown in Figure 3 is a kind of spiral type variable vane wheel assembly embodiment.Axle 11 bottom at variable vane wheel assembly 7 is provided with fin bracing frame 12, and thermometal fin or temperature-sensitive material 13 are housed on fin bracing frame 12, and the active layers of bimetallic strip or temperature-sensitive material is towards the fin arc outside (inboard).When temperature raise, bimetallic strip curvature became big (diminishing), and the relative tilt angle between fin and the variable vane wheel assembly axle 11 becomes big (diminishing), as shown in Figure 4.The rotating speed of variable vane wheel assembly also reflects the height of temperature except linearity reflection flow, and the linear reflection of airfoil assurance variable vane wheel assembly rotating speed temperature information, thereby realizes the metering of heat.
Embodiment 3: referring to Fig. 5.Fig. 5 is a kind of rotation differential calorimeter structure diagram, is made up of watchcase 1, two variable vane wheel assemblies 7, gear set 4 (differential gear set), transmission gear 5, counting display device 6.Be provided with a pair of fluid cavity 3 that flows and the cavity 2 that is used to install transmission component of making in the watchcase 1, gear set 4 is housed in the cavity 2, gear set 4 and transmission gear 5 engagements, and drive counting assembly 6, in the cavity 3 that fluid flows, two variable vane wheel assemblies 7 have been symmetrical arranged, the transmission gear of variable vane wheel assembly 7 and gear set 4 engagements.
The fin 13 of variable vane wheel assembly 7 adopts bimetallic strip or temperature-sensitive material to make, two rotary wind type variable vane wheel assemblies 7 that fin 13 mounting meanss are identical, respond to the heat signal of high temperature and cryogen respectively, one end of two variable vane wheel assemblies 7 and gear set 4 engagements, two direction of rotation that variable vane wheel assembly 7 produces, the signal of the heat that provides obtained calorie value via counting display device 6 when the subtraction effect of the rotation process differential gear set of two variable vane wheel assemblies 7 obtained fluid temperature reduction.
Embodiment 4: referring to Fig. 6, Fig. 6 is a kind of rotating torque differential calorimeter structure diagram.Form by watchcase 1, two variable vane wheel assemblies 7, neutral gear 8, counting display device 6.The fin 13 of variable vane wheel assembly 7 adopts bimetallic strip or temperature-sensitive material to make, two rotary wind type variable vane wheel assemblies 7 that fin 13 mounting meanss are identical are responded to the heat signal of high temperature and cryogen respectively, two leaf variable vane wheel assemblies 7 are connected to the one of rotating simultaneously, the suffered rotating torque direction of two variable vane wheel assemblies 7 is opposite, itself and moment turn to and the high-temperature stream side variable vane wheel assembly 7, consistent with the rotation direction of variable vane wheel assembly, this rotation is heat signal, obtains calorie value via counting display device 6.
Embodiment 5: referring to Fig. 7, Fig. 7 is a kind of rotating torque differential calorimeter structure diagram of non-contact inductive.Form by watchcase 1, two variable vane wheel assemblies 7, neutral gear 8, counting display device 6.The fin 13 of variable vane wheel assembly 7 adopts bimetallic strip or temperature-sensitive material to make, two rotary wind type variable vane wheel assemblies 7 that fin 13 mounting meanss are identical are responded to the heat signal of high temperature and cryogen respectively, two impeller assemblies 7 are connected to the one of rotating simultaneously, the suffered rotating torque direction of two variable vane wheel assemblies 7 is opposite, itself and moment make variable vane wheel change assembly 7 to the high-temperature stream side, consistent with the rotation direction of variable vane wheel assembly 7, this rotation is heat signal, obtains calorie value via counting display device 6.
Embodiment 6: referring to Fig. 8, Fig. 8 is a kind of moment differential calorimeter structure diagram that contains a constant impeller assembly.Form by watchcase 1, variable vane wheel assembly 7, constant impeller assembly 10, neutral gear 8, a counting display device 6.The fin 13 of variable vane wheel assembly 7 adopts bimetallic strip or temperature-sensitive material to make, rotary wind type variable vane wheel assembly 7 that fin 13 mounting meanss are identical and constant impeller 10 assembly are responded to the heat signal of fluid respectively and with reference to heat signal, the suffered rotating torque direction of variable vane wheel assembly 7 and constant impeller assembly 10 is opposite, itself and the relative size decision of moment by the moment of variable vane wheel assembly 7, it turns to also the relative size decision by the moment of variable vane wheel assembly 7, this velocity of rotation is heat signal, obtains calorie value via counting display device 6.
The utility model is simple in structure, easy for installation, has realized the function of single exterior heat metering.

Claims (7)

1, a kind of differential calorimeter, comprise a watchcase [1], be provided with a pair of cavity [2] that makes the mobile cavity [3] of fluid and be used to install transmission component in the watchcase [1], gear set [4] is housed in the cavity [2], gear set [4] and transmission gear [5] engagement, and drive counting assembly [6], it is characterized in that: in the cavity [3] that fluid flows, also be provided with variable vane wheel assembly [7], the transmission gear of variable vane wheel assembly [7] and gear set [4] engagement.
2, differential calorimeter according to claim 1 is characterized in that: described variable vane wheel assembly [7] be by the fin bearing support [12] on the external diameter of the axle [11] of belt driving gear, axle [11], and the fin [13] of fin bearing support [12] combine.
3, differential calorimeter according to claim 1 is characterized in that: described variable vane wheel assembly [7] can be two, also can be one and be the variable vane wheel assembly, and one is constant impeller assembly.
4, differential calorimeter according to claim 1 and 2 is characterized in that: the fin [13] of described variable vane wheel assembly [7] adopts bimetallic strip or temperature-sensitive material to make.
5, differential calorimeter according to claim 1 and 2 is characterized in that: variable vane wheel assembly [7] can be made into rotary wind type, also can make spiral type.
6, differential calorimeter according to claim 3 is characterized in that: the rotation of the axle of described two variable vane wheel assemblies [7] is through gear combination engagement and counting display device [6] engagement.
7, differential calorimeter according to claim 3 is characterized in that: the axle of two variable vane wheel assemblies [7] can be connected as a single entity, transmission gear on the axle and counting display device [6] engagement.
CN 01240511 2001-06-15 2001-06-15 Differential heat meter Expired - Fee Related CN2484551Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 01240511 CN2484551Y (en) 2001-06-15 2001-06-15 Differential heat meter

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Application Number Priority Date Filing Date Title
CN 01240511 CN2484551Y (en) 2001-06-15 2001-06-15 Differential heat meter

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101393057B (en) * 2007-09-20 2010-09-15 北京联合大学 Modified differential passive calorimeter
US7905656B2 (en) 2007-09-20 2011-03-15 Beijing Union University Differential passive calorimeter

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101393057B (en) * 2007-09-20 2010-09-15 北京联合大学 Modified differential passive calorimeter
US7905656B2 (en) 2007-09-20 2011-03-15 Beijing Union University Differential passive calorimeter

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