CN1627052A - Technique for producing calorimeter - Google Patents
Technique for producing calorimeter Download PDFInfo
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- CN1627052A CN1627052A CN 200310107512 CN200310107512A CN1627052A CN 1627052 A CN1627052 A CN 1627052A CN 200310107512 CN200310107512 CN 200310107512 CN 200310107512 A CN200310107512 A CN 200310107512A CN 1627052 A CN1627052 A CN 1627052A
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- calorimeter
- detection
- flowmeter
- control panel
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Abstract
This invention relates to a production technology for calorimeters characterizing in testing the weld reliability and function after assembling the integrating device control board, in testing the flowmeter by waveform testing and testing the readout errors to the temperature sensor and the flowmeter in the calorimeter, finally the meter accuracy is tested, which realizes automatically testing various performance parameters of the calorimeter at the same time when producing calorimeters.
Description
Affiliated field
The invention belongs to a kind of manufacture method, especially a kind of calorimeter production technology.
Background technology
At present the hot gage work of China just begins, implement the heat metering device---the manufacturing of calorimeter also is in a kind of experimental exploitation or small-scale production stage.Exact instrument as a kind of metering, calorimeter must carry out the detection of various indexs could be used, and small-scale production is difficult to calibrating, detection and the accurate performance parameter analysis of science that calorimeter is carried out generally speaking, is difficult to guarantee the product quality of calorimeter.Therefore calorimeter being carried out large batch of production and installation and adopts scientific technology, guarantee product quality, is urgent problem under the existing situation.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, provide a kind of and be suitable for producing in enormous quantities and scientific calorimeter production technology.
The present invention realizes that the technology of purpose is:
(1) the integrator control panel of calorimeter is carried out the routine assembling after, by the detection frock of integrator control panel the integrator control panel is carried out soldering reliability and detects and functional detection;
(2) flowmeter is carried out conventional assembling after, the measured flux meter is carried out the detection of pulse height, recurrence interval and number of pulses by the wave test frock of flowmeter;
(3) flowmeter, temperature sensor, integrator control panel are carried out routine and be assembled into calorimeter;
(4) temperature sensor in the calorimeter is carried out the detection of the error of indication;
(5) flowmeter in the calorimeter is carried out the detection of the error of indication;
(6) put in order meter accuracy on the calorimeter calibrating installation and detect, eligible becomes finished product afterwards.
Wherein, the soldering reliability of integrator control panel detects and detects by testing pneumatic needle-bar; And test at this and also to carry out functional detection on pneumatic needle-bar simultaneously; the content that detects is: quiescent dissipation, every Presentation Function, analog temperature detect, analogue flow rate detects, simulate heat detection, failure data protection function, low-voltage warning function etc.; soldering reliability detects and functional detection is all shown by light emitting diode and LCDs on the pneumatic needle-bar panel of test, and this soldering reliability of process detects and the integrator control panel of functional detection also will carry out Detection of Stability in the high temperature ageing case.
After the flowmeter wave test, also to carry out detection by impulse meter in the umber of pulse of different flow point to this flowmeter.
Carry out after routine is assembled into calorimeter at flowmeter, temperature sensor, integrator control panel, carry out the consumption detection of calorimeter by the calorimeter power display, the current value of demonstration is shown on display.
Advantage of the present invention and good effect are:
1. in the whole production technological process, all be provided with the detection operation behind the per pass assembly process, can extremely strictly control the quality of production of product.
2. the integrator control panel of design detects frock, flowmeter wave test frock and flowmeter pulse counter and can make the detection of calorimeter more accurate, have more scientificly voluntarily, has guaranteed the product quality and the ex factory pass rate of calorimeter fully.
3. processing step of the present invention has science, be applicable to the production in enormous quantities calorimeter, be implemented in the various performance parameters that detect calorimeter when manufacturing calorimeter automatically, guarantee the high-quality of product and the consistance of examination and test of products standard, and the qualification rate of dispatching from the factory.
Description of drawings
Fig. 1 is a process chart of the present invention;
Fig. 2 is an integrator control panel tooling drawing of the present invention;
Fig. 3 is a flowmeter wave test tooling drawing of the present invention;
Fig. 4 is a flowmeter pulse counter synoptic diagram of the present invention;
Fig. 5 is a calorimeter power display synoptic diagram of the present invention.
Embodiment
Below in conjunction with process chart and accompanying drawing, the specific embodiment of technology of the present invention is done following detailed description:
Calorimeter of the present invention is at present generally to obtain the interchangeable heat scale admitted in heat metering industry, and this calorimeter installs flow sensor, temperature sensor and counter processing unit additional and constitutes on flowmeter, in order to the flow through heat of heating radiator of measurement.Calorimeter impeller revolution moves once gathers a flow pulse, gathers a temperature sensor signal and carries out the integral operation of consumption of calorie after the accumulative total certain flow.
Technological process of the present invention is:
The assembling of one, the mainboard of calorimeter---integrator control panel and detection operation: this control panel carries out the reliability detection and utilizes the standard of establishing in this frock that tested control panel is compared to realize the detection → Detection of Stability of every function this control panel through rotary type tower high speed placement system → high precision die bonder → reflow welding → use control panel frock.
The content of various Function detection comprises: quiescent dissipation, every Presentation Function, analog temperature detect, analogue flow rate detects, simulate heat detection, failure data protection function, low-voltage warning function etc.
The structure that detects frock is referring to Fig. 2, and its principle of work is:
Testing the kind of drive of pneumatic needle-bar 1 by air pressure moves down top board 2, the tested control panel 12 that will be positioned on the frame 4 by guide pillar 3 compresses (the tested control panel shown in the present embodiment is four), then descending top testing needle 5 to contact at the various functional parameters of the circuit-under-test of tested control panel tests, test the welding situation of this circuit and node, testing result is shown by light emitting diode 8 and by LCDs 7.Power switch button 11, start button 10, conclusion button 9 and testing button 6 also are installed on panel.
The concrete steps of functional detection are:
1. tested control panel is installed in and detects on the frock (in the diagram can one-time detection four);
2. open " power switch ", by " start button ", frock starts pneumatic actuator automatically and will test needle-bar and be connected with tested control panel and put in place;
3. by " testing button ", frock is carried out every Function detection automatically, and the operator detects whole testing process by LCD and light emitting diode;
4. detect to finish, by " conclusion button ", frock starts automatically that pneumatic actuator will be tested needle-bar and tested control panel resets.
5. close " power switch ", take off tested control panel, carry out the detection of next round.
The concrete steps of the Detection of Stability of tested control panel:
Tested control panel is installed in to carry out fast temperature in the tank tower of ageing oven aging, the temperature of ageing oven is transferred to 50 ℃, tested control panel is carried out charged high temperature ageing.After 48 hours, temperature is transferred to 20 ℃, placed 2 hours, tested control panel should show that normal backsight is qualified control panel.
Two, flowmeter assembling and detection operation:
Adopt the automatic tangent machine that signal wire neatly is cut into technological requirement length → employing wire stripper and crust is peeled off → install sampling head → buckle closure → flowmeter wave test → flowmeter accuracy detection.
Operation before the flowmeter wave test is conventional general procedure, is not described in detail in this.
The synoptic diagram of wave test frock is referring to Fig. 3, in Fig. 3,8 LCD 14, red signal display lamp 15 (totally three), green signal display lamp 16, shift knob 17 are installed on the wave test frock 13 and measured flux meter 18 of flow etc. is provided through the fan blower (not shown).
The step that the flowmeter wave test detects by the wave test frock:
1. the signal wire with the measured flux meter is connected with the wave test frock, blow the measured flux meter with fan blower, detect four I/O mouths of frock utilization " two-way " and detect the pulse electrical signal that flowmeter produces respectively, wherein first via differentiation amplitude (is divided into three voltage ranges and adopts three red signal display lamps to show: more than 1.5 volts; 1.5～0.8 volt; 0.8 volt is following), the second road record overall pulse number, overall pulse quantity and the qualified number of pulses and the contrast of testing the standard value that obtains of amplitude by producing in the certain hour realize pulse height and the basic detection of recurrence interval.
2. in detection, increase Third Road and detect, mainly detect the quantity of pulse by a small margin, make detection more accurate.
3. add the pulse height simulation and show the concrete intensity when making operating personnel see pulse generation.
Operating personnel press shift knob as long as connect line by figure, and frock enters test, and the whole checkout procedure time only needs 40 seconds, 20 seconds countings, and 20 seconds voltage countings are qualified when green signal display lamp is bright after stopping automatically, 3 red signal display lamps are bright to be defective.
After the flowmeter wave test is qualified, carry out the accuracy detection of flowmeter.This accuracy detection is to utilize water meter calibration device (routine calibrating platform or commercially available 0.2 grade of water meter calibration device of LBJ15-25/15-50 of water meter) and flowmeter pulse counter to detect the umber of pulse of flowmeter at different flow points, and this umber of pulse and full sized pules number compared, draw the whether qualified conclusion of this flowmeter.
Flowmeter pulse counter is for detecting the device of flowmeter umber of pulse, and referring to Fig. 3, this device is made of the group of four figures tube display 20 on housing 19, the case panel, reset key 21.
The step that this flowmeter accuracy detects:
1. the measured flux meter is installed on the water meter calibration device and with impulse meter and is connected;
2. make " group of four figures tube display " zero clearing of impulse meter by " reset key " of pulse counter, open the inlet valve of water meter calibrating installation, impulse meter detects the measured flux meter umber of pulse that the water yield produced of flowing through;
3. the detected umber of pulse of impulse meter should be in the acceptability limit of designing requirement.
Three, flowmeter, temperature sensor and integration control plate assembly process
The assembling that calorimeter is final: flowmeter and temperature sensor assembling → become calorimeter with integration control plate assembling → consumption detection → button shell.
After each above-mentioned work step is finished assembling as requested, the finished parts of calorimeter is placed on the assembling line, is sent to next station automatically.
Above-mentioned work step is conventional current techique, no longer narration.
The calorimeter power display is made of reometer of installing on housing 22, the case panel 23 and switch 24 for the device of the current value of the tested calorimeter of detection.The step of consumption detection is:
Tested calorimeter is connected with the power consumption frock, opens the frock switch, the indicated value of observing the reometer on the frock adheres to specification.
Four, the error combined type component of temperature sensor indicating value and flowmeter indicating value calibrating
A. temperature sensor error of indication combined type component calibrating: temperature sensor is put into heat energy table calibrating calibration cell, the examination criteria temperature is the indicating value (detecting 4 times averages) of the pairing temperature sensor that shows of 50 integral controllers when spending, and should spend less than ± 0.4 with the difference of standard temperature.Detect simultaneously, the difference between the pairing temperature sensor should be less than ± 0.1 degree at this moment.
B. the flowmeter error of indication makes up the component checking method: will put in order table and be installed on the water meter calibration device, with flow set at boundary flow point, detection is flowed through, and V is real-time for the standard integrated flow, the integrated flow indicating value V of the flowmeter survey that integrator shows surveys, and utilizes formula: { (V survey-V is real) ÷ V is real } * 100% calculates relative error should be less than ± 2%.
Five, whole table total amount detects
1. calorimeter is installed in calorimeter calibrating installation (interchangeable heat scale calibrating platform, present embodiment no longer illustrates)) on, pairing temperature sensor is put into calibration cell on the device, inflow temperature is made as 70 degree, leaving water temperature is made as 50 degree, the pipeline temperature is made as 50 degree, and piping flow is made as 0.55m3/h.
2. after treating that set condition is stable, click calibrating installation and " begin to test " key, calibrating installation enters detected state automatically.
3. the heat accumulative value that has just refreshed that calorimeter is shown is by in the handheld keyboard input calibrating installation controlling computer.
4. the heat accumulative value that has just refreshed that after 20 minutes calorimeter is shown is imported in the calibrating installation controlling computer by handheld keyboard, and clicks calibrating installation and " finish to test " key, and calibrating installation finishes test automatically.
5. click calibrating installation " test result " key, calibrating installation calculates automatically and shows that the relative error value of total amount is also printable.
6. the calorimeter that test result is qualified is qualified finished product.
Claims (5)
1. calorimeter production technology is characterized in that:
The production technology of calorimeter is:
(1) the integrator control panel of calorimeter is carried out the routine assembling after, by the detection frock of integrator control panel the integrator control panel is carried out soldering reliability and detects and functional detection;
(2) flowmeter is carried out conventional assembling after, the measured flux meter is carried out the detection of pulse height, recurrence interval and number of pulses by the wave test frock of flowmeter;
(3) flowmeter, temperature sensor, integrator control panel are carried out routine and be assembled into calorimeter;
(4) temperature sensor in the calorimeter is carried out the detection of the error of indication;
(5) flowmeter in the calorimeter is carried out the detection of the error of indication;
(6) put in order meter accuracy on the calorimeter calibrating installation and detect, eligible becomes finished product afterwards.
2. calorimeter production technology according to claim 1 is characterized in that:
The soldering reliability of described integrator control panel detects and detects by testing pneumatic needle-bar; The content of described functional detection comprises: quiescent dissipation, every Presentation Function, analog temperature detect, analogue flow rate detects, simulate heat detection, failure data protection function, low-voltage warning function etc., and soldering reliability detects and functional detection is all shown by light emitting diode and LCDs on the pneumatic needle-bar panel of test.
3. calorimeter production technology according to claim 1 and 2 is characterized in that: the integrator control panel through soldering reliability detection and functional detection also will carry out Detection of Stability in the high temperature ageing case.
4. calorimeter production technology according to claim 1 is characterized in that: after the flowmeter wave test, also will carry out detection in the umber of pulse of different flow point to this flowmeter by impulse meter.
5. calorimeter production technology according to claim 1, it is characterized in that: carry out after routine is assembled into calorimeter at flowmeter, temperature sensor, integrator control panel, carry out the consumption detection of calorimeter by the calorimeter power display, the current value of demonstration is shown on display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200310107512 CN1627052A (en) | 2003-12-12 | 2003-12-12 | Technique for producing calorimeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200310107512 CN1627052A (en) | 2003-12-12 | 2003-12-12 | Technique for producing calorimeter |
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|---|---|
| CN1627052A true CN1627052A (en) | 2005-06-15 |
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| CN 200310107512 Pending CN1627052A (en) | 2003-12-12 | 2003-12-12 | Technique for producing calorimeter |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102749112A (en) * | 2012-05-16 | 2012-10-24 | 浙江金卡高科技股份有限公司 | Continuous production line for gas meter and production process flow |
| CN105215680A (en) * | 2015-11-06 | 2016-01-06 | 四川福德机器人股份有限公司 | A kind of gas meter, flow meter Automated assembly device |
| CN114544117A (en) * | 2022-03-14 | 2022-05-27 | 荣耀终端有限公司 | Detection device, detection method thereof and production equipment |
-
2003
- 2003-12-12 CN CN 200310107512 patent/CN1627052A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102749112A (en) * | 2012-05-16 | 2012-10-24 | 浙江金卡高科技股份有限公司 | Continuous production line for gas meter and production process flow |
| CN105215680A (en) * | 2015-11-06 | 2016-01-06 | 四川福德机器人股份有限公司 | A kind of gas meter, flow meter Automated assembly device |
| CN114544117A (en) * | 2022-03-14 | 2022-05-27 | 荣耀终端有限公司 | Detection device, detection method thereof and production equipment |
| CN114544117B (en) * | 2022-03-14 | 2023-10-27 | 荣耀终端有限公司 | Detection device, detection method thereof and production equipment |
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