CN206056831U - A kind of heat meter calibrating apparatus - Google Patents
A kind of heat meter calibrating apparatus Download PDFInfo
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- CN206056831U CN206056831U CN201621088339.2U CN201621088339U CN206056831U CN 206056831 U CN206056831 U CN 206056831U CN 201621088339 U CN201621088339 U CN 201621088339U CN 206056831 U CN206056831 U CN 206056831U
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Abstract
The utility model discloses a kind of heat meter calibrating apparatus, the heat meter calibrating apparatus include host computer, one main water box and at least three secondary water tanks being arranged in parallel, heater, chiller, temperature sensor are equipped with main water box and secondary water tank, one end connection main water box of secondary water tank, one end connects water main, and water main is provided with takes out vapor device.Heat meter calibrating apparatus of the present utility model are by multiple secondary water tank independent heatings and cooling, compared with existing heat meter calibrating apparatus, greatly shorten the re-testing periods, improve calibrating efficiency, take out being provided with beneficial to improving heat meter calibration accuracy of vapor device and humidity sensor.
Description
Technical field
This utility model is related to heat meter calibration field, more particularly to a kind of heat meter calibrating apparatus.
Background technology
It is usually that a thermostatic water tank provides recirculated water for whole verification system in existing heat meter calibrating apparatus, in heat
There is problems with scale verification process：First, according to current calibration method, need every time to change the temperature in thermostatic water tank
It is required for every time reheating when spending, heat meter calibration is less efficient, secondly, generally existing during existing heat meter calibration
Alveolate phenomenon in recirculated water, easily affects heat meter calibration degree of accuracy.It is therefore desirable to providing a kind of heat meter calibration effect
Rate is high, examines and determine the high heat meter calibrating apparatus of degree of accuracy.
Utility model content
The purpose of this utility model is, there is provided the high calorimeter inspection of a kind of heat meter calibration efficiency high, calibrating degree of accuracy
Determine device.
To achieve these goals, this utility model is adopted the technical scheme that：A kind of heat meter calibrating apparatus, including it is upper
Position machine, also includes：
Water tank and water pipe, the water tank include a main water box and at least three secondary water tanks, the main water box and the pair
Heater, chiller, temperature sensor and high temperature resistant electric magnet are equipped with water tank, in the secondary water tank, water level is additionally provided with
Sensor, the host computer controls the heater and the chiller according to the signal of the temperature sensor feedback is
No work;
The water pipe includes main road water pipe and branch water pipe, and the water pipe is double-layer sleeve structure, between bilayer sleeve
Interlayer is vacuum or is filled with insulation material；
Be arranged in parallel between the secondary water tank, the two ends of each secondary water tank respectively by the branch water pipe with it is described
Main water box is connected with the main road water pipe；
Bypass valve is equipped with branch water pipe between each secondary water tank and the main water box and the main road water pipe
Door, the branch water pipe between each secondary water tank and the main water box are additionally provided with branch road water pump；
The each branch water pipe connected with the main road water pipe is intersected in same place, the other end of the main road water pipe with it is described
Main water box connects to form circulation waterway, and main road water pump is additionally provided with the main road water pipe, and the host computer is passed according to the water level
The signal of sensor feedback controls the folding of the branch road valve between the secondary water tank and the water main；
Main road valve is additionally provided with the water main, be provided between the main road valve and the main road water pump vacuum tank,
Calorimeter clamping device, contrast standard calorimeter, draw water device of air and electromagnetic flowmeter, and draw water described in the PC control gas
Whether device works.
Technique effect of the present utility model：
First, arrange in heat meter calibrating apparatus and take out vapor device, realize to impurity such as steam in major cycle pipeline
Exclude, be conducive to lifting heat meter calibration precision.
Secondly, by arranging multiple secondary water tanks arranged side by side, the independence of each secondary water tank water temp. heating and cooling is realized, can
To heat and cool down simultaneously, the heat meter calibration cycle is shortened, only need to sequentially to each secondary water tank during heat meter calibration
Draining is capable of achieving the continuous change or stepped change of temperature, improves the calibrating efficiency of heat meter calibrating apparatus.
Description of the drawings
Fig. 1 is the structural representation of heat meter calibrating apparatus of the present utility model；
Fig. 2 is to examine and determine tables of data in heat meter calibrating apparatus verification process of the present utility model；
Wherein, 1, main water box, 2,3,4 secondary water tanks, 5, heater, 6, chiller, 7, temperature sensor, 8, water level passes
Sensor, 9, high temperature resistant electric magnet, 10, main road valve, 11, main road water pipe, 12, branch water pipe, 13, main road water pump, 14, voltage stabilizing
Tank, 15, calorimeter clamping device, 16, contrast standard calorimeter, 17, take out vapor device, 18, electromagnetic flowmeter, 121, first
Road water pipe, the 122, second branch water pipe, 1211,1221, branch road valve, 1212, branch road water pump.
Specific embodiment
In order that the purpose of this utility model, technical scheme and advantage become more apparent, below in conjunction with accompanying drawing and enforcement
Example, is further elaborated to this utility model.It should be appreciated that specific embodiment described herein is only to explain this
Utility model, and without with limit this utility model.
Fig. 1 shows the structural representation of the heat meter calibrating apparatus that this utility model is provided, for convenience of description, in figure
Only give the part related to this utility model.
Heat meter calibrating apparatus of the present utility model include host computer（Not shown in figure）, host computer can be computer, also
Including water tank and water pipe, water tank includes a main water box 1 and three secondary water tanks 2,3,4, wherein, the quantity of secondary water tank can be not
Heater 5, chiller 6, temperature are equipped with any amount less than three, main water box 1 and three secondary water tanks 2,3,4 to pass
Sensor 7, is additionally provided with level sensor 8 in above three pair water tank, is additionally provided with high temperature resistant electric magnet 9 in main water box 1, certainly, secondary
High temperature resistant electric magnet can also be set in water tank.Host computer controls heater 5 according to the signal that the temperature sensor 7 is fed back
Whether work with chiller 6.High temperature resistant electric magnet can with active adsorption main water box 1 in heating process issuable scale
And the other impurities in water, prevent these impurity from entering impact heat meter calibration accuracy in oral siphon.
Wherein, 5 preferred electrically heated rod of heater, 6 preferred air-cooler of chiller specifically can be by many electrical heating
Rod is evenly distributed on the bottom of main water box and secondary water tank, to improve firing rate.Chiller can be with by being laid on secondary water tank
The cooling water tank of pipeline and the pipeline communication on the wall of side, and cooling water composition.
Water pipe includes main road water pipe 11 and branch water pipe 12, and the water pipe is double-layer sleeve structure, i.e. 11 He of main road water pipe
Branch water pipe 12 is double-layer sleeve structure, and the interlayer 13 between bilayer sleeve is vacuum or is filled with insulation material, thermal insulating material
Expect preferred heat-preservation cotton, rubber or polyethylene, the water pipe of this kind of design can effectively reduce thermal loss of current when pipeline,
Lift heat meter calibration precision.
Secondary water tank 2, it is arranged in parallel between 3,4, the two ends of each secondary water tank are respectively by branch water pipe and main water box 1 and main
Road water pipe 11 is connected, due to above three pair water tank it is identical with the position relationship of main water box, main road water pipe, in order to simplify drawing,
Readily appreciate, Fig. 1 is only labeled explanation, the two ends difference of secondary water tank 2 by taking the position relationship and annexation of secondary water tank 2 as an example
Connected with main water box 1 and main road water pipe 11 by tie point water pipe 121, the second branch water pipe 122.
Branch road valve is equipped with each secondary water tank 2,3,4 and the branch water pipe between main water box 1 and main road water pipe 11, often
Branch water pipe between individual secondary water tank 2,3,4 and main water box 1 is additionally provided with branch road water pump, in order to simplify drawing, readily appreciates, herein
Explanation, secondary water tank 2 and main water box 1 between first are labeled by taking the position relationship and annexation of secondary water tank 2 as an example still
Road water pipe 121 is provided with branch road valve 1211, branch road water pump 1212, the second branch road water between secondary water tank 2 and main road water pipe 11
Pipe 122 is provided with branch road valve 1221.
The each branch water pipe connected with main road water pipe 11 is intersected in same place, i.e. the second branch water pipe 122 and secondary water tank
3rd, be intersected in same place on 4 with 122 corresponding two branch water pipes of the second branch water pipe of secondary water tank 2, main road water pipe 11 it is another
One end connects to form circulation waterway with main water box 1, and main road water pump 13 is additionally provided with main road water pipe 11, and host computer is according to level sensor
The secondary water tank of the signal control of the feedback of device 82,3,4, and branch road valve between water main 11 folding.
Main road valve 10 is additionally provided with water main 11, vacuum tank 14, heat between main road valve 10 and main road water pump 13, is provided with
Scale clamping device 15, contrast standard calorimeter 16, draw water device of air 17 and electromagnetic flowmeter 18, draws water described in PC control
Whether device of air 16 works.Vapor device is taken out by arranging, before heat meter calibration starts can first the steam in water pipe and
Other impurities are excluded, and effectively reduce the impact of the steam or other impurities that remain in water pipe to heat meter calibration.
This utility model realizes the independence of each secondary water tank water temp. heating and cooling by arranging multiple secondary water tanks in parallel
Property, can heat simultaneously and cool down, shorten the heat meter calibration cycle, only need to sequentially to each secondary water during heat meter calibration
Case draining is capable of achieving the continuous change or stepped change of temperature, improves calibrating efficiency and the inspection of heat meter calibrating apparatus
Determine accuracy.
The concrete calibration method of above-mentioned heat meter calibrating apparatus is comprised the following steps：
The first step：The branch road valve closed between main road valve 10 and secondary water tank 2,3,4 and water main 11, by upper
Machine startup draws water device of air 16 to discharge the aqueous vapor in water main 11, and drew water described in PC control after five to ten minutes device of air
Quit work.Wherein, standard humidity value can be set by host computer.
Second step：The branch road valve closed between all secondary water tanks 2,3,4 and main water box 1, starts main water by host computer
Heater 5 in case 1 is heated, by the water temp. heating in main water box 1 to 100 degrees Celsius.Can be effective by step 2
The air that removing is dissolved in water, so as to reduce issuable bubble when water is circulated in heat meter calibrating apparatus, improves heat
Scale examines and determine accuracy.
3rd step：The branch road valve between all secondary water tanks 2,3,4 and main water box 1 is opened, is started in each bar branch water pipe
Branch road water pump, all secondary water tanks 2,3,4 are carried out with upper water, the signal detection pair water that host computer is fed back according to level sensor 8
Water level in case 2,3,4, completes upper water when normal water level is reached, and can close this step by PC control or artificial operation
In all of branch road valve.Normal water level can be set by host computer.
4th step：By the chiller work of all secondary water tanks of PC control 2,3,4, adjacent secondary water tank water temperature is made
The number of degrees for tolerance D >=1 degree Celsius arithmetic progression, and the number of degrees≤100 degree Celsius of highest water temperature, for example, it can be set to tolerance
For 2 degrees Celsius, highest water temperature is 90 degrees Celsius, and be water temperature in the secondary water tank 2,3,4 of setting distinguish 90 degrees Celsius, it is 88 Celsius
Degree, 86 degrees Celsius.
5th step：Order of all secondary water tanks 2,3,4 according to water temperature from high to low is gradually opened and water main 11 between
Branch road valve, first round draining is gradually carried out to water main 11 from secondary water tank by main road water pump 13, the calorimeter is entered
The row first round examines and determine, and records the first round verification result a1, a2, a3." gradually " in this method is referred to when a secondary tank drains
After the completion of draining is carried out to next pair water tank.The draining order of secondary water tank also may be used except being sorted according to water temperature from high to low
Sorted according to water temperature from low to high.
6th step：Whenever a secondary water tank is after main road water pump 13 completes draining, the host computer is according in secondary water tank
Branch road valve between the signal-off secondary water tank and water main 11 of level sensor feedback, again from main water box 1 to the pair
Water on water tank, on the secondary water tank after the completion of water, cools down the secondary water tank water temperature to identical temperature in step 5, when all secondary water tanks
After completing first round draining, repeat step five carries out the second wheel draining to all secondary water tanks, and the second wheel inspection is carried out to calorimeter
It is fixed, record the second wheel calibrating data.For example, after main road water pump 13 completes draining, host computer is according to secondary water tank 2 for secondary water tank 2
Between the signal-off pair water tank 2 and water main 11 of middle level sensor feedback, the second branch water pipe 122 is provided with branch road valve
1221, again to water on secondary water tank 2, after the completion of upper water, cool down 90 degrees Celsius of temperature in the water temperature to step 5 in secondary water tank 2.
After all secondary water tanks 2,3,4 complete first round draining, repeat step five carries out the second wheel to all secondary water tanks 2,3,4
Draining, carries out the second wheel calibrating to calorimeter, and record the second wheel calibrating data, record second take turns verification result b1, b2, b3.
In this method, " draining is completed " of indication can all be discharged the water of secondary water tank, or secondary Water in Water Tanks
Position reaches the lowest water level set by host computer.
7th step：Repeat step six at least 10 times.Record the verification result of each wheel, the verification result note of such as third round
For c1, c2, c3, the data obtained is as shown in Figure 2.
The data that this kind of calibration method can both contrast calorimeter different rounds at the same temperature are accurate to determine calibrating
Degree, can also contrast the data of each round to determine calibrating accuracy, compared with traditional method, can adopt two dimensions
To weigh the accuracy of tested calorimeter, verification result is more accurate.
Preferred embodiment of the present utility model is the foregoing is only, it is not to limit this utility model, all at this
Any modification, equivalent and improvement made within the spirit and principle of utility model etc., is all contained in of the present utility model
Within protection domain.
Claims (4)
1. a kind of heat meter calibrating apparatus, including host computer, it is characterised in that also include：
Water tank and water pipe, the water tank include a main water box and at least three secondary water tanks, the main water box and the secondary water tank
Heater, chiller, temperature sensor are inside equipped with, level sensor, the main water box in the secondary water tank, is additionally provided with
In be additionally provided with high temperature resistant electric magnet, the host computer according to the signal of the temperature sensor feedback control the heater and
Whether the chiller works;
The water pipe includes main road water pipe and branch water pipe, and the water pipe is double-layer sleeve structure, the interlayer between bilayer sleeve
For vacuum or filled with insulation material；
It is arranged in parallel between the secondary water tank, the two ends of each secondary water tank are respectively by the branch water pipe and the main water
Case is connected with the main road water pipe；
Branch road valve is equipped with branch water pipe between each secondary water tank and the main water box and the main road water pipe, often
Branch water pipe between the individual secondary water tank and the main water box is additionally provided with branch road water pump；
The each branch water pipe connected with the main road water pipe is intersected in same place, the other end of the main road water pipe and the main water
Case connects to form circulation waterway, and main road water pump is additionally provided with the main road water pipe, and the host computer is according to the level sensor
The signal of feedback controls the folding of the branch road valve between the secondary water tank and the water main；
Main road valve is additionally provided with the water main, between the main road valve and the main road water pump, vacuum tank, heat is provided with
Table clamping device, contrast standard calorimeter, draw water device of air and electromagnetic flowmeter, and draw water described in the PC control device of air
Whether work.
2. heat meter calibrating apparatus according to claim 1, it is characterised in that the heater is electrically heated rod, institute
Chiller is stated for air-cooler.
3. heat meter calibrating apparatus according to claim 1, it is characterised in that the insulation material is heat-preservation cotton, rubber
Or polyethylene.
4. heat meter calibrating apparatus according to claim 1, it is characterised in that described to take out vapor device for air pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621088339.2U CN206056831U (en) | 2016-09-29 | 2016-09-29 | A kind of heat meter calibrating apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621088339.2U CN206056831U (en) | 2016-09-29 | 2016-09-29 | A kind of heat meter calibrating apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206056831U true CN206056831U (en) | 2017-03-29 |
Family
ID=58367711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621088339.2U Active CN206056831U (en) | 2016-09-29 | 2016-09-29 | A kind of heat meter calibrating apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206056831U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106404228A (en) * | 2016-09-29 | 2017-02-15 | 济南联力自动化控制技术有限公司 | Heat meter calibrating device and calibrating method |
| CN108593150A (en) * | 2018-07-10 | 2018-09-28 | 浙江永阳节能技术有限公司 | A kind of hot and cold scale detection device |
-
2016
- 2016-09-29 CN CN201621088339.2U patent/CN206056831U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106404228A (en) * | 2016-09-29 | 2017-02-15 | 济南联力自动化控制技术有限公司 | Heat meter calibrating device and calibrating method |
| CN106404228B (en) * | 2016-09-29 | 2019-05-24 | 济南联力自动化控制技术有限公司 | Heat meter calibrating device and calibrating method |
| CN108593150A (en) * | 2018-07-10 | 2018-09-28 | 浙江永阳节能技术有限公司 | A kind of hot and cold scale detection device |
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