CN206710109U - A kind of Properties of Air-conditioning Unit online detection instrument - Google Patents
A kind of Properties of Air-conditioning Unit online detection instrument Download PDFInfo
- Publication number
- CN206710109U CN206710109U CN201720320550.0U CN201720320550U CN206710109U CN 206710109 U CN206710109 U CN 206710109U CN 201720320550 U CN201720320550 U CN 201720320550U CN 206710109 U CN206710109 U CN 206710109U
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- China
- Prior art keywords
- temperature sensor
- air
- condenser
- pipeline
- electromagnetic flowmeter
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- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The utility model provides a kind of Properties of Air-conditioning Unit online detection instrument, it is characterised in that：Including data collecting instrument, electromagnetic flowmeter, mass flowmenter and main frame；Mass flowmenter is connected with condenser coil and choke valve respectively；Electromagnetic flowmeter is connected with condenser tank water inlet end and water side respectively；Connected respectively by pipeline between compressor and condenser coil, between mass flowmenter and condenser coil, between the water inlet end of electromagnetic flowmeter and condenser tank and between electromagnetic flowmeter and the water side of condenser tank；Each pipeline includes pipeline body and test pipeline section respectively；Test pipeline section includes body, the temperature sensor and pressure sensor that both ends are connected with pipeline body respectively；Temperature sensor is arranged in body tube chamber；Pressure sensor is L-type Pitot tube.The detection device accuracy in detection is high, easy to use, can save the set-up time of detection device and air-conditioner set, improves operating efficiency.
Description
Technical field
Properties of Air-conditioning Unit online measuring technique field is the utility model is related to, more specifically to a kind of air conditioner
Group performance online detection device.
Background technology
With the economic development and improvement of people's living standards, people are to indoor air quality attention degree more and more higher,
Air-conditioning turns into the essential product of huge numbers of families.Being that current air-conditioner set is overhauled and answered is judged to the service behaviour of air-conditioner set
A key project in.But there is following deficiency for existing detection technique：1) thermometry used in engineering
Mostly wall temperature measurement method, because temperature distributing disproportionation of the working medium in pipeline is even, there is deviation in the temperature of this method measurement；2) engineering
On the pressure measurement method that uses be mostly static pressure measurement method, the practical work process of working medium is flowing, and the measurement of this method can survey less
The dynamic pressure of fluid, makes measured value deviation be present., must be by temperature sensor if measuring the temperature and pressure in pipeline
It is installed to pressure sensor in pipeline, the installation difficulty of detection device certainly will be increased, is expended the longer set-up time, be unfavorable for
Operating efficiency improves.
Utility model content
To overcome shortcoming and deficiency of the prior art, the purpose of this utility model is to provide a kind of accuracy in detection
Set-up time that is high, easy to use, can saving detection device and air-conditioner set, the Properties of Air-conditioning Unit of raising operating efficiency are online
Detection device.
In order to achieve the above object, the utility model is achieved by following technical proposals：A kind of Properties of Air-conditioning Unit
Online detection instrument, include the evaporator, compressor, condensation being sequentially connected with testing air conditioner unit, air-conditioner set for connecting
Device and choke valve；It is characterized in that：Including data collecting instrument, and be connected with data collecting instrument signal electromagnetic flowmeter, matter
Measure flowmeter and main frame；The mass flowmenter is connected with condenser coil and choke valve respectively, to measure refrigerant mass flow
Amount；The electromagnetic flowmeter is connected with condenser tank water inlet end and water side respectively, to measure water volume flow rate and water density；
Between compressor and condenser coil, between mass flowmenter and condenser coil, electromagnetic flowmeter and condenser tank enter
Connected respectively by pipeline between water end (W.E.) and between electromagnetic flowmeter and the water side of condenser tank；Each pipeline wraps respectively
Include pipeline body and test pipeline section；
The test pipeline section includes body, the temperature sensor and pressure sensor that both ends are connected with pipeline body respectively；
The temperature sensor is arranged in body tube chamber；Pressure sensor is L-type Pitot tube；The measurement portion of L-type Pitot tube is along body
Length direction is set, and the measurement portion head end of L-type Pitot tube is towards direction of flow.
Preferably, the temperature sensor includes temperature sensor one, temperature sensor two and temperature sensor three；It is described
Temperature sensor one and temperature sensor two are separately positioned on inboard wall of tube body；Temperature sensor three is arranged in the middle part of body.
Preferably, the measurement portion of the temperature sensor one, temperature sensor two, temperature sensor three and L-type Pitot tube
Head end is located on same body cross section.
Preferably, in addition to wireless communication unit；The data collecting instrument is connected by wireless communication unit and host signal
Connect.
Compared with prior art, the utility model has the following advantages that and beneficial effect：
1st, the utility model device can realize Properties of Air-conditioning Unit on-line checking, can be with fast when test data occurs abnormal
Speed feeds back situation, and technical staff can take suitable solution according to feedback data, improves at unit research and development and failure
The efficiency of reason；Temperature sensor and pressure sensor are respectively provided with the duct, are detected the temperature and pressure in pipeline respectively, can be kept away
Exempt from the error that wall temperature measurement method and static pressure measurement method are brought；Temperature sensor and pressure sensor are set using test pipeline section, can
Degree easy to use is improved, saves the set-up time of detection device and air-conditioner set, improves operating efficiency；
2nd, in the utility model device, three temperature measuring points are arranged in body, take into full account the temperature point in body
Cloth inhomogeneities, improve the precision of measured value；
3rd, the utility model device is realized stable between data collecting instrument and main frame from wireless communication unit principal and subordinate's module
Reliable wireless data real-time Transmission.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model detection device；
Fig. 2 is the structural representation that pipeline section is tested in the utility model detection device；
Wherein, 1 it is air-conditioner set, 11 be evaporator, 12 be compressor, 13 be condenser, 14 be choke valve, 2 is detection
Equipment, 21 be electromagnetic flowmeter, 22 be mass flowmenter, 23 be data collecting instrument, 24 be main frame, 3 be pipeline, 31 be testing tube
Section, 311 be body, 312 be that temperature sensor one, 313 is that temperature sensor two, 314 is that temperature sensor three, 315 is pressure
Sensor.
Embodiment
The utility model is described in further detail with embodiment below in conjunction with the accompanying drawings.
Embodiment
As depicted in figs. 1 and 2, the present embodiment provides a kind of Properties of Air-conditioning Unit online detection instrument, for connecting and surveying
Air-conditioner set is tried, air-conditioner set includes evaporator 11, compressor 12, condenser 13 and the choke valve 14 being sequentially connected；Equipment bag
Data collecting instrument 23 is included, and electromagnetic flowmeter 21, mass flowmenter 22 and the main frame 24 being connected with the signal of data collecting instrument 23.
Data collecting instrument 23 can use available data Acquisition Instrument.The mass flowmenter 22 respectively with the coil pipe of condenser 13 and choke valve 14
Connection, to measure refrigerant mass fluxes；The electromagnetic flowmeter 21 connects with the water tank water intake end of condenser 13 and water side respectively
Connect, to measure water volume flow rate and water density；Between compressor 12 and the coil pipe of condenser 13, mass flowmenter 22 and condenser 13
Between coil pipe, between the water inlet end of electromagnetic flowmeter 21 and the water tank of condenser 13 and electromagnetic flowmeter 21 and the water tank of condenser 13
Water side between connected respectively by pipeline 3；Each pipeline 3 includes pipeline body and test pipeline section 31 respectively.
The test pipeline section 31 includes body 311, temperature sensor and pressure that both ends are connected with pipeline body respectively and passed
Sensor 315；The temperature sensor is arranged in the tube chamber of body 311；Pressure sensor 315 is L-type Pitot tube；L-type Pitot tube
Measurement portion set along tube length direction, and the measurement portion head end of L-type Pitot tube is towards direction of flow.
The test pipeline section medium temperature degree sensor and pressure being connected between electromagnetic flowmeter 21 and the water tank water intake end of condenser 13
Force snesor detects water inlet temperature T respectively1With water inlet pressure p1；Electromagnetic flowmeter 21 is connected to the water tank of condenser 13 to go out
Test pipeline section medium temperature degree sensor and pressure sensor between water end (W.E.) detect water outlet temperature T respectively2With water out pressure p2；
The test pipeline section medium temperature degree sensor and pressure sensor being connected between compressor 12 and the coil pipe of condenser 13 detect system respectively
Cryogen inlet temperature T3With refrigerant inlet pressure p3；The testing tube being connected between mass flowmenter 22 and the coil pipe of condenser 13
Temperature sensor and pressure sensor detect refrigerant exit temperature T respectively in section4With refrigerant outlet pressure p4.Mass flow
Count 22 detectable refrigerant mass flow m；Electromagnetic flowmeter 21 can detect water volume flow rate V and water density ρ.
Preferably, the temperature sensor includes temperature sensor 1, temperature sensor 2 313 and temperature sensor
3 314；The temperature sensor 1 and temperature sensor 2 313 are separately positioned on the inwall of body 311；Temperature sensor
3 315 are arranged on the middle part of body 311.
Preferably, the temperature sensor 1, temperature sensor 2 313, temperature sensor 3 314 and L-type Pitot tube
Measurement portion head end be located on same body cross section.
Preferably, in addition to wireless communication unit；The data collecting instrument is connected by wireless communication unit and host signal
Connect.
The operation principle of the utility model device is：First, detection device is connected on tested air-conditioner set；Start
Tested air-conditioner set and detection device；The test data of the tested air-conditioner set of collection, test data include water inlet temperature
T1, water inlet pressure p1, water volume flow rate V, water density ρ, water outlet temperature T2, water out pressure p2, refrigerant inlet temperature T3、
Refrigerant inlet pressure p3, refrigerant mass fluxes m, refrigerant exit temperature T4With refrigerant outlet pressure p4；Then, from existing
Have and corresponding enthalpy is searched in database；Afterwards, heat transfer in water side Q, refrigerant side heat exchange amount Q ' are calculated using existing formula and changed
Thermal ratio R；The size of ratio R and pre-set ratio threshold value of judging to exchange heat judges whether tested air-conditioner set is qualified；So as to real
Existing Properties of Air-conditioning Unit on-line checking.
The utility model device rapidly can be fed back situation when test data occurs abnormal, and technical staff can basis
Feedback data takes suitable solution, improves the efficiency of unit research and development and troubleshooting；Temperature sensor and pressure sensing
Device is respectively provided with the duct, detects the temperature and pressure in pipeline respectively, wall temperature measurement method and static pressure measurement method can be avoided to bring
Error；Temperature sensor and pressure sensor are set using test pipeline section, degree easy to use can be improved, save detection device
With the set-up time of air-conditioner set, operating efficiency is improved.
In the utility model device, three temperature measuring points are arranged in body, take into full account the Temperature Distribution in body
Inhomogeneities, improve the precision of measured value；The utility model device realizes that data are adopted from wireless communication unit principal and subordinate's module
Collect wireless data real-time Transmission reliable and stable between instrument and main frame.
Above-described embodiment is the preferable embodiment of the utility model, but embodiment of the present utility model is not by above-mentioned
The limitation of embodiment, it is other it is any without departing from Spirit Essence of the present utility model with made under principle change, modify, replace
Generation, combination, simplify, should be equivalent substitute mode, be included within the scope of protection of the utility model.
Claims (4)
1. a kind of Properties of Air-conditioning Unit online detection instrument, include connecting successively with testing air conditioner unit, air-conditioner set for connecting
Evaporator, compressor, condenser and the choke valve connect；It is characterized in that：Believe including data collecting instrument, and with data collecting instrument
Number connection electromagnetic flowmeter, mass flowmenter and main frame；The mass flowmenter connects with condenser coil and choke valve respectively
Connect, to measure refrigerant mass fluxes；The electromagnetic flowmeter is connected with condenser tank water inlet end and water side respectively, to survey
Measure water volume flow rate and water density；Between compressor and condenser coil, between mass flowmenter and condenser coil, electromagnetic current
Pass through pipe respectively between gauge and the water inlet end of condenser tank and between electromagnetic flowmeter and the water side of condenser tank
Road connects；Each pipeline includes pipeline body and test pipeline section respectively；
The test pipeline section includes body, the temperature sensor and pressure sensor that both ends are connected with pipeline body respectively；It is described
Temperature sensor is arranged in body tube chamber；Pressure sensor is L-type Pitot tube；The measurement portion of L-type Pitot tube is along tube length
Direction is set, and the measurement portion head end of L-type Pitot tube is towards direction of flow.
2. Properties of Air-conditioning Unit online detection instrument according to claim 1, it is characterised in that：The temperature sensor bag
Include temperature sensor one, temperature sensor two and temperature sensor three；The temperature sensor one and temperature sensor two are distinguished
It is arranged on inboard wall of tube body；Temperature sensor three is arranged in the middle part of body.
3. Properties of Air-conditioning Unit online detection instrument according to claim 2, it is characterised in that：The temperature sensor
First, the measurement portion head end of temperature sensor two, temperature sensor three and L-type Pitot tube is located on same body cross section.
4. Properties of Air-conditioning Unit online detection instrument according to any one of claim 1 to 3, it is characterised in that：Also wrap
Include wireless communication unit；The data collecting instrument is connected by wireless communication unit with host signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720320550.0U CN206710109U (en) | 2017-03-30 | 2017-03-30 | A kind of Properties of Air-conditioning Unit online detection instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720320550.0U CN206710109U (en) | 2017-03-30 | 2017-03-30 | A kind of Properties of Air-conditioning Unit online detection instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206710109U true CN206710109U (en) | 2017-12-05 |
Family
ID=60467556
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720320550.0U Expired - Fee Related CN206710109U (en) | 2017-03-30 | 2017-03-30 | A kind of Properties of Air-conditioning Unit online detection instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206710109U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106840733A (en) * | 2017-03-30 | 2017-06-13 | 广东机电职业技术学院 | A kind of Properties of Air-conditioning Unit online test method and its testing equipment |
| CN111624012A (en) * | 2020-06-02 | 2020-09-04 | 南京绿慧能源科技有限公司 | Ground source pipe detection device and method |
-
2017
- 2017-03-30 CN CN201720320550.0U patent/CN206710109U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106840733A (en) * | 2017-03-30 | 2017-06-13 | 广东机电职业技术学院 | A kind of Properties of Air-conditioning Unit online test method and its testing equipment |
| CN111624012A (en) * | 2020-06-02 | 2020-09-04 | 南京绿慧能源科技有限公司 | Ground source pipe detection device and method |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171205 Termination date: 20210330 |
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| CF01 | Termination of patent right due to non-payment of annual fee |