CN102494736B - A kind of ice detecting instrument for ice storage system and measuring method - Google Patents
A kind of ice detecting instrument for ice storage system and measuring method Download PDFInfo
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- CN102494736B CN102494736B CN201110311418.0A CN201110311418A CN102494736B CN 102494736 B CN102494736 B CN 102494736B CN 201110311418 A CN201110311418 A CN 201110311418A CN 102494736 B CN102494736 B CN 102494736B
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- ice
- ice storage
- storage barrel
- probe
- level transmitter
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Abstract
The present invention relates to Cool Thermal Storage For The Air conditioning system, it is more particularly to a kind of control evening ice making, release ice detecting instrument for ice storage system and measuring method that ice provides cold air to air-conditioning daytime, ice detecting set includes the probe assembly being arranged on ice storage barrel, probe assembly includes Intelligent radar level transmitter and display adjusting module, Intelligent radar level transmitter is connected by shielded cable with display adjusting module, the present invention judges ice storage barrel ice amount using guided wave radar, ice-storage equipment ice amount under the different operational modes of ice-storage system can be monitored, it is simple in construction, it is easy for installation, test is quick and precisely.
Description
Technical field：
The present invention relates to Cool Thermal Storage For The Air conditioning system, it is more particularly to a kind of control evening ice making, daytime and releases ice and carried to air-conditioning
The ice detecting instrument for ice storage system and measuring method of cooling gas.
Background technology：
With social development and the continuous improvement of living standards of the people, urban electric power consumption increases substantially, particularly peak
Electric load increases too fast, causes peak period electricity shortage phenomenon to occur again and again, and valley power is had more than needed.Therefore, power network
" peak load shifting " be urgent problem to be solved.And the air-conditioning system ensured as human settlement, its electric load typically concentrates
In the power surges period, and low-valley interval electricity consumption is very few, and air conditioning electricity has the potentiality of very big peak load shifting to urban distribution network.
With the implementation of electric power demand side time-of-use tariffs policy, ice-storage air-conditioning unit has obtained quick development, and ice detecting set is used as ice
One of cool-storage type air-conditioning necessary equipment, using also more and more extensive.
Ice detecting set is to judge the ice amount of ice storage barrel by the change of liquid level in measuring cylinder, and the change of any ice amount can all make
The change of liquid level and pressure in ice storage barrel.Ice detecting set is simple in construction, the spy that it is arranged on ice bucket top cover by an air pump, one
The air conditioning duct of head and connection probe and pump is constituted.Ice detecting set operation principle is：The air pump of ice detecting set pumps out a small amount of sky
Gas, this partial air overflows by wherein one gas conduit from probe under water.The output pressure of air pump liquid level in cylinder
Height determine that, with the beginning of ice-reserving process, liquid level accordingly rises in ice bucket, thus rise will be by second for caused pressure
Tracheae passes ice detecting set back.Water level is higher, and output pressure is bigger needed for air pump.Magnetic fluid level gauge induction air pressure changes and shows ice-reserving
Ice amount percentage change in bucket, is exported while pressure is switched to 4-20mA DC signals by built-in pressure converter.The electricity
Subsignal is corresponded with 0%-100% scales on magnetic fluid level gauge.The precision of magnetic liquid level gauge and pressure converter is by making
Make business to demarcate before dispatching from the factory, when installing at the scene, as long as the insertion depth of adjustment probe.
But there are not accurate enough measurement, measurement complex procedures in above-mentioned pressure type glaciometer, measuring speed is slow and uses
The shortcomings of limitation is big.
The content of the invention：
It is an object of the invention to provide a kind of ice detecting instrument for ice storage system and measuring method, judge to store using guided wave radar
There is provided a kind of instrument-ice detecting set for monitoring ice-storage equipment ice amount under the different operational modes of ice-storage system, structure for ice bucket ice amount
Simply, easy for installation, test is quick and precisely.
To achieve the above object, the present invention uses following technical scheme：
A kind of ice detecting instrument for ice storage system that the present invention is provided, including the probe assembly on ice storage barrel, it is described
Probe assembly includes Intelligent radar level transmitter and display adjusting module, and the Intelligent radar level transmitter is by shielding electricity
Cable is connected with display adjusting module.
In a kind of ice detecting instrument for ice storage system technical scheme that the present invention is provided, the Intelligent radar level transmitter bag
Include electrical appliance kit, receiver, probe, flange, sensor wire and detector bar.
In another preferred a kind of ice detecting instrument for ice storage system technical scheme that the present invention is provided, the electrical appliance kit passes through
Flange is arranged on the top cover of ice storage barrel, center of the electrical appliance kit away from ice-reserving barrel top cover, and the electrical appliance kit is provided with reception
Device and probe, the probe are connected by sensor wire with the detector bar, and the distance of the probe distance ice storage barrel bucket wall is
The 1/6-1/4 of ice storage barrel diameter.
In another preferred a kind of ice detecting instrument for ice storage system technical scheme that the present invention is provided, set on the electrical appliance kit
There are the first display window and ground terminal, the electrical appliance kit is set using sealing and passes through ground terminal ground.
In another preferred a kind of ice detecting instrument for ice storage system technical scheme that the present invention is provided, the display adjustment mould
Block is arranged on secondary meter disk, including the second display window and programmable device.
In a kind of measuring method technical scheme for another preferred ice detecting instrument for ice storage system that the present invention is provided, including
Step is as follows：
Step one：The Intelligent radar level transmitter of probe assembly sends and receives letter into ice storage barrel on the ice storage barrel
Number；
Step 2：The Intelligent radar level transmitter is analyzed and shown to signal, while will by shielded cable
Signal is delivered to display adjusting module.
It is described in a kind of measuring method technical scheme for another preferred ice detecting instrument for ice storage system that the present invention is provided
In step one, the probe of Intelligent radar level transmitter sends high-frequency impulse and propagated along sensor wire on ice storage barrel, works as pulse
Reflect and be received by the receiver when running into ice face.
By adopting the above-described technical solution, the beneficial effect that the present invention is obtained is：
The ice detecting instrument for ice storage system of the present invention is the storage and release for monitoring and controlling ice-making capacity in ice-storage system
Instrument, utilize guided wave radar judge ice storage barrel ice amount；The high-frequency microwave pulse sent by guided wave radar is along probe assembly
Send high-frequency impulse and propagated along sensor wire, reflect and be received by the receiver when pulse runs into ice face, and by distance
Signal is converted into thing position signal；Display adjustment mould of the Intelligent radar transmitter output current signal of work on the spot to scene display
Block (secondary display instrument), calculates the volume of ice in container by the computing function of secondary meter, and secondary meter can be with
Export current signal all the way and do control to control rack by isolating pick-up and use, improve the economy of system operation and reliable
Property.The present invention is useful in the application scenario that cooling is carried out with electric power peak valley price difference area, with ice-storage system.
Brief description of the drawings
Fig. 1 is a kind of ice detecting instrument for ice storage system structural representation；
Fig. 2 is Intelligent radar level transmitter structural representation in the present invention；
Fig. 3 is a kind of ice detecting instrument for ice storage system；
Fig. 4 is the schematic view of the mounting position of Intelligent radar level transmitter in the present invention；
Fig. 5 is display adjusting module connection end subgraph of the invention；
Wherein, 1 output point is supplied outside, 2,3- guided wave radar input points, 4-, 5,6- connection terminals, 7,8- pick-up output contacts,
9th, 10- power supply contacts, 11,12,13,14,15,16- relay switching variable output points, 17- ice storage barrels, 18- Intelligent radars things position
Transmitter, 19- sensor wires, 20- probes, 21- detector bars.
Embodiment
With reference to embodiment, the invention will be described in further detail.
Embodiment 1：
As Figure 1-5, a kind of ice detecting instrument for ice storage system of the invention of this example, including the spy on ice storage barrel 17
Component is surveyed, probe assembly includes Intelligent radar level transmitter 18 and display adjusting module, and Intelligent radar level transmitter 18 leads to
Cross shielded cable and display adjusting module be connected, display adjusting module be arranged on secondary meter disk, including the second display window with
Programmable device.
Intelligent radar level transmitter 18 includes electrical appliance kit, receiver, probe 20, flange, sensor wire 19 and detector bar
21, electrical appliance kit is arranged on by flange on the top cover of ice storage barrel 17, center of the electrical appliance kit away from the top cover of ice storage barrel 17, on electrical appliance kit
Provided with the first display window and ground terminal, electrical appliance kit is set using sealing and by ground terminal ground, and electrical appliance kit is provided with and connect
Device and probe 20 are received, probe 20 is connected by sensor wire 19 with detector bar 21, probe 20 is apart from the distance of ice storage barrel bucket wall
The 1/6-1/4 of ice storage barrel diameter.
A kind of measuring method of ice detecting instrument for ice storage system of the present invention, including step are as follows：
Step one：The Intelligent radar level transmitter 18 of probe assembly sends and receives into ice storage barrel 17 on ice storage barrel 17
Signal；
In step one, the probe 20 of Intelligent radar level transmitter 18 sends high-frequency impulse and along sensing on ice storage barrel 17
Wire 19 is propagated, and is reflected and is received by the receiver when pulse runs into ice face.
Step 2：Intelligent radar level transmitter 18 is analyzed and shown to signal, while will be believed by shielded cable
Number display adjusting module is delivered to, the number of ice amount in ice storage barrel 17 is can be seen that by the data of display.
The ice detecting instrument for ice storage system of the present invention is the storage and release for monitoring and controlling ice-making capacity in ice-storage system
Instrument, the high-frequency microwave pulse sent by guided wave radar sends high-frequency impulse and passed along sensor wire along probe assembly
Broadcast, reflect and be received by the receiver when pulse runs into ice face, and distance signal is converted into thing position signal；Work on the spot
Intelligent radar transmitter exports display adjusting module of the 4-20mA current signal to scene display, by showing adjusting module
Computing function calculates the volume of ice in container, and shows that adjusting module can be by isolating pick-up output 4-20mA all the way
Current signal does control to control rack and used.
As shown in figure 3, being 1. top blind area, 2. it is hole capital after selling all securities (maximum measurement distance), is 3. maximum range, be 4. bottom
Area：
Top blind area refers to the minimum range between material highest charge level and witness mark；Bottom blind area refers to hawser most
The segment distance that can not be accurately measured near bottom；It is effective measurement distance between top blind area and bottom blind area.It is worth noting
, when only material is between top blind area and bottom blind area, just can guarantee that the reliable measurements of thing position in tank.
Technical parameter in the present invention is as follows：
Working frequency： 100MHZ-1.8GHZ；
Cable formula measurement range： 0-30m；
Rod-type and double rod type measurement range： 0-6m；
Repeatability： ±3mm；
Resolution ratio： 1mm；
Sampling：55 times/s of echo samples；
Response speed：＞ 0.2S (depending on particular condition in use)；
Output current signal： 4-20mA；
Precision：＜ 0.1%；
Communication interface：HART communication agreement；
Process is connected： G1-1/2NPT；
Flange：DN50, DN80, DN100, DN150；
Pressure process： -1-40bar；
Power supply：24VDC (± 10%)；
Power consumption： max 22.5mA；
Environmental condition：- 40 DEG C~+220 DEG C of temperature；
Shell protection grade： IP68；
Two-wire system wiring：Instrument power supply and signal output share a two core shielded cables；
Cable inlet：2 M20 × 1.5 (cable size 5--9mm)；
Install instrument when it is noted that：Highest material position must not enter measurement blind area instrument apart from tank skin must keep it is certain away from
From installation is as far as possible perpendicular to tested material surface.Instrument installed in anti-explosion area has to comply with national explosion-proof hazardous area and obtained
Installation provision, the shell of intrinsic safety type all uses aluminum hull, and instrument must be grounded；
Measurement blind area：It is that this section of region that can not accurately measure is claimed from instrument in the benchmark of measurement downwards a segment distance
Make blind area generally 300mm.
In addition, must ensure that material can not enter when using radar levelmeter；Intelligent radar level transmitter 18 is apart from tank
The distance suggestion of wall is the 1/6-1/4 (at least 300mm, concrete tank at least 400mm) of tank diameter, should not be arranged in metal can
Between, should not be at feed opening；When selecting probe length, notice that 20 bottoms of probe are approximately more than 30mm away from tank bottom, 20 distances of popping one's head in
Obstacle at least 200mm, notes medium temperature.
Interference echo suppresses：Software can realize the suppression to interference echo, so as to reach preferable measurement effect.
Bypass pipe and waveguide pipe (being only applicable to liquid) are not more than 5g/cm for viscosity, can use bypass pipe, waveguide pipe or
Tubular type come avoid interference.
Measurement assembly and display adjusting module (secondary instrument) wiring：
Power supply is direct current 24V, signal wire be all with power line together with two core shielding line 5-9mm, long-distance sand transport voltage has
It is supply voltage to be increased that certain pressure drop, which causes radar levelmeter not start this,.This instrument belongs to two-wire system intelligence instrument,
HART protocol, such as needs teletransmission to show and installs additional one piece " secondary instrument ", and installation method refer to secondary meter specification, and teletransmission shows
Show that precision is relevant with the figure place showing of " secondary instrument " used in you, into positive correlation.Also it can be connected with the equipment such as DCS, it is non-maintaining,
Range has been demarcated before dispatching from the factory, and the setting of various parameters, or after-sale service librarian use our unit can be carried out by manual operator
The software connection debugging module of oneself is debugged.
Finally it should be noted that：The above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof, to the greatest extent
The present invention is described in detail with reference to above-described embodiment for pipe, those of ordinary skills in the art should understand that：Still may be used
Modified or equivalent substitution, and repaiied without departing from any of spirit and scope of the invention with the embodiment to the present invention
Change or equivalent substitution, it all should cover among present claims scope.
Claims (5)
1. a kind of ice detecting instrument for ice storage system, including the probe assembly on ice storage barrel (17), it is characterised in that：It is described
Probe assembly includes Intelligent radar level transmitter (18) and display adjusting module, and the Intelligent radar level transmitter (18) is led to
Shielded cable is crossed to be connected with display adjusting module；
The Intelligent radar level transmitter (18) include electrical appliance kit, receiver, probe (20), flange, sensor wire (19) and
Detector bar (21)；
The electrical appliance kit is arranged on by flange on the top cover of ice storage barrel (17), and the electrical appliance kit is away from ice storage barrel (17) top cover
Center, the electrical appliance kit passes through sensor wire (19) and the detection provided with receiver and probe (20), the probe (20)
Rod (21) is connected, and the probe (20) is apart from the 1/6-1/4 that the distance of ice storage barrel bucket wall is ice storage barrel diameter.
2. a kind of ice detecting instrument for ice storage system as claimed in claim 1, it is characterised in that：The electrical appliance kit is provided with first
Display window and ground terminal, the electrical appliance kit are set using sealing and pass through ground terminal ground.
3. a kind of ice detecting instrument for ice storage system as claimed in claim 1, it is characterised in that：The display adjusting module is set
On secondary meter disk, including the second display window and programmable device.
4. the measuring method of ice detecting set described in claims 1 to 3 any one, it is characterised in that：It is as follows including step：
Step one：The Intelligent radar level transmitter (18) of probe assembly sends and connect into ice storage barrel (17) on ice storage barrel (17)
The collection of letters number；
Step 2：The Intelligent radar level transmitter (18) is analyzed and shown to signal, while will by shielded cable
Signal is delivered to display adjusting module.
5. a kind of measuring method of ice detecting instrument for ice storage system as claimed in claim 4, it is characterised in that：
In the step one, the probe (20) of Intelligent radar level transmitter (18) sends high-frequency impulse and edge on ice storage barrel (17)
Sensor wire (19) is propagated, and is reflected and is received by the receiver when pulse runs into ice face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110311418.0A CN102494736B (en) | 2011-10-14 | 2011-10-14 | A kind of ice detecting instrument for ice storage system and measuring method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110311418.0A CN102494736B (en) | 2011-10-14 | 2011-10-14 | A kind of ice detecting instrument for ice storage system and measuring method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102494736A CN102494736A (en) | 2012-06-13 |
| CN102494736B true CN102494736B (en) | 2017-09-05 |
Family
ID=46186580
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110311418.0A Expired - Fee Related CN102494736B (en) | 2011-10-14 | 2011-10-14 | A kind of ice detecting instrument for ice storage system and measuring method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102494736B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102706411A (en) * | 2012-06-15 | 2012-10-03 | 上海自动化仪表股份有限公司 | Magnetic position material level meter based on HART (highway addressable remote transducer) communication |
| EP2869397B1 (en) * | 2013-11-05 | 2017-02-01 | VEGA Grieshaber KG | Pivotable horn antenna for a fill level radar |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2294462Y (en) * | 1997-05-14 | 1998-10-14 | 哈尔滨手表厂 | Radar liquid level gauge |
| CN1264033A (en) * | 2000-01-21 | 2000-08-23 | 曾征 | High-accuracy radar monitor system for material level in storage |
| CN2620869Y (en) * | 2003-06-18 | 2004-06-16 | 上海海运学院 | Binary ice ice-containing rate tester |
| CN101194149A (en) * | 2005-04-07 | 2008-06-04 | 罗斯蒙德公司 | Tank seal for guided wave radar level measurement |
-
2011
- 2011-10-14 CN CN201110311418.0A patent/CN102494736B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2294462Y (en) * | 1997-05-14 | 1998-10-14 | 哈尔滨手表厂 | Radar liquid level gauge |
| CN1264033A (en) * | 2000-01-21 | 2000-08-23 | 曾征 | High-accuracy radar monitor system for material level in storage |
| CN2620869Y (en) * | 2003-06-18 | 2004-06-16 | 上海海运学院 | Binary ice ice-containing rate tester |
| CN101194149A (en) * | 2005-04-07 | 2008-06-04 | 罗斯蒙德公司 | Tank seal for guided wave radar level measurement |
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| Publication number | Publication date |
|---|---|
| CN102494736A (en) | 2012-06-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| ASS | Succession or assignment of patent right |
Owner name: ICE BANK ENERGY TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: DAI SIJIA Effective date: 20120604 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 100022 FENGTAI, BEIJING TO: 100022 CHAOYANG, BEIJING |
|
| TA01 | Transfer of patent application right |
Effective date of registration: 20120604 Address after: 100022, room 902, block B, Yintai Center, 2 East Gate Street, Beijing Applicant after: Ice Bank Energy Technology Co., Ltd. Address before: 100022 Beijing spark science and Technology Building No. 2 Fengtai District City Fung Fu Road Room 501 Applicant before: Dai Sijia |
|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170905 Termination date: 20191014 |