CN207457119U - A kind of thermal resistance dirt detector - Google Patents
A kind of thermal resistance dirt detector Download PDFInfo
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- CN207457119U CN207457119U CN201721590741.5U CN201721590741U CN207457119U CN 207457119 U CN207457119 U CN 207457119U CN 201721590741 U CN201721590741 U CN 201721590741U CN 207457119 U CN207457119 U CN 207457119U
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Abstract
The utility model discloses a kind of thermal resistance dirt detectors, belong to water quality thermal resistance dirt detection technique field, the signal being electrically connected including sensor unit, with sensor unit occurs with detection module, the data processing module being electrically connected with detection module, the communication module and power module that are electrically connected respectively with data processing module occur with signal；Sensor unit includes three metal electrodes, two temperatures sensor, an electrically heated rod, a flow sensor and first-class water service pipe, three metal electrodes and flow sensor are arranged on circulation water pipe, and two temperatures sensor and electrically heated rod are provided respectively therein in two metal electrodes.The utility model is simple in structure, at low cost, has continuous monitoring continuous signal fan-out capability, Real-time Feedback scaling tendency, measured using electrical method, no additional machinery mechanism, can long-time stable work, it is easy to safeguard, this detector is easily minimized, convenient for in-site installation.
Description
Technical field
The utility model is related to a kind of incrustation scale detectors, more particularly to a kind of thermal resistance dirt detector, belong to water quality thermal resistance
Dirty detection technique field.
Background technology
At present, in water treatment field, the water treatment field especially in heat-exchange system, heat exchanger, pipeline scaling heat exchanging
Efficiency has a great impact, can be to heat exchanger generally for preventing the heat exchanger efficiency that heat exchanger and pipeline scaling are brought from declining
Antisludging agent is added in water, in order to monitor the performance of scaling tendency and assessment of scale inhibitor, it usually needs scaling tendency is surveyed
Amount.
Traditional is dynamic simulation experiment method to the mode of scaling tendency measurement, and method one is to use heat exchanger same material
Developmental tube builds a set of miniature heat-exchange system by control, monitors inflow temperature, leaving water temperature, developmental tube temperature and flow in real time
Etc. parameters calculate the heat exchange efficiency of developmental tube, and then calculate real exchanger heat exchange efficiency, extrapolate scaling tendency, method two
It is to use to weigh record with the developmental tube of heat exchanger same material, heat and temperature control, is put into recirculated water, a period of time drying
The weight of fouling is can obtain afterwards, so as to extrapolate structure trend.
It is difficult in maintenance there are system complex for method one, it is of high cost the shortcomings of, although method two is simple in structure
It is complicated there are weighing process, the characteristics of obtaining result hysteresis, can not real-time instruction scale inhibitor dosing, control scaling tendency, therefore,
One detector that is simple in structure, at low cost and can monitoring scaling tendency in real time of design becomes very significant.
Utility model content
The main purpose of the utility model is to provide for a kind of thermal resistance dirt detector, by applying to a pair of metal electrodes
Ac pulse voltage, monitoring current response condition measure metallic surface product, and then the change of contact impedance, so as to analyze
Whether metal surface has faint fouling.
The purpose of this utility model can reach by using following technical solution：
A kind of thermal resistance dirt detector, the signal being electrically connected including sensor unit, with the sensor unit occurs and inspection
Module is surveyed, the data processing module being electrically connected with detection module occurs with the signal, is electric with the data processing module respectively
The communication module and power module of connection；
The sensor unit includes at least three metal electrodes, two temperature sensors, an electrically heated rod, a stream
Quantity sensor and a circulation water pipe, three metal electrodes and the flow sensor are arranged at the circulation water pipe
On, two temperature sensors and the electrically heated rod are provided respectively therein in two metal electrodes；
The signal occurs to generate the power signal of driving electrically heated rod with detection module, and generation is applied to one of institute
The pulse signal on electrode is stated, is switched on or off another electrode, and measures the current responsing signal of the electrode, is measured
The temperature signal of two temperature sensors measures flow sensor flow signal；
The data processing module occurs to obtain and handled including temperature, water flow and electricity with detection module from the signal
Data including polar by comparing the difference of electrode curve, judge whether there is surface variation on electrode, infer whether to tie
Hot dirty Trend value is calculated in dirt, the influence that the own temperature of compensation water carrys out electrode band, and the heat loss of compensating electrode；
The interface that the communication module can be communicated to the offer of peripheral control unit, collector and host computer, and send the number
Hot dirty Trend value is obtained according to what processing module processing calculated；
The power module occurs and detection module, the data processing module to the sensor unit, the signal
Power supply is provided with communication module.
Preferred scheme is to further include housing, and three metal electrodes, two temperature sensors and the electricity add
Hot pin is arranged in the housing.
In any of the above-described scheme preferably, the metal electrode includes electrode A, electrode B and electrode C, the electrode
A, the electrode B and the electrode C are arranged at the downstream of the flow sensor.
In any of the above-described scheme preferably, the electrode B is arranged between the electrode A and the electrode C, described
Electrode A, the electrode B and the electrode C are arranged on the electrode working face on the circulation water pipe, the electrode work
Plane contact current.
In any of the above-described scheme preferably, the electrode A and the electrode C are identical material electrodes, the electrode A
It is identical with the working face area that the electrode C is contacted with current.
In any of the above-described scheme preferably, the temperature sensor includes temperature sensor A and temperature sensor B,
The temperature sensor A and the electrically heated rod are arranged in the electrode A, and the temperature sensor B is arranged on the electricity
In the C of pole.
In any of the above-described scheme preferably, the signal, which occurs to generate with detection module, drives the electrically heated rod
Power signal generates the pulse signal being applied in the electrode B, the on or off electrode A or the electrode
C, and detect the current responsing signal of the electrode A or the electrode C, the temperature sensor A and the temperature sensor B
Temperature signal and the flow sensor flow signal.
The advantageous effects of the utility model：According to the thermal resistance dirt detector of the utility model, the utility model provides
Thermal resistance dirt detector, it is simple in structure compared with traditional dynamic simulation test method, it is at low cost, have continuous monitoring continuously believe
Number fan-out capability, Real-time Feedback scaling tendency are measured using electrical method, no additional machinery mechanism, can long-time stable work,
It is easy to safeguard, this detector is easily minimized, convenient for in-site installation.
Description of the drawings
Fig. 1 is the structure diagram according to a preferred embodiment of the thermal resistance dirt detector of the utility model；
Fig. 2 is to illustrate according to the sensor unit structure of a preferred embodiment of the thermal resistance dirt detector of the utility model
Figure, which can be the embodiment identical from Fig. 1 or the embodiment different with Fig. 1；
Fig. 3 is that electricity is connected with electric current according to the driving voltage of a preferred embodiment of the thermal resistance dirt detector of the utility model
Lu Tu, the embodiment can be the embodiment identical from Fig. 1 or Fig. 2 or the embodiment different with Fig. 1 or Fig. 2；
Fig. 4 is the driving voltage and time relationship according to a preferred embodiment of the thermal resistance dirt detector of the utility model
Figure, which can be the embodiment identical from Fig. 1 or Fig. 2 or Fig. 3 or the reality different with Fig. 1 or Fig. 2 or Fig. 3
Apply example；
Fig. 5 is according to the electric current and time chart of a preferred embodiment of the thermal resistance dirt detector of the utility model, figure
In, solid line is non-fouling current-responsive curve, and dotted line is current-responsive curve after fouling, which can be and Fig. 1 or Fig. 2
Or the identical embodiments of Fig. 3 or Fig. 4 or the embodiment different from Fig. 1 or Fig. 2 or Fig. 3 or Fig. 4.
In figure：01- sensor units, 02- signals occur and detection module, 03- data processing modules, 04- communication modules,
05- power modules, 1- electrode working faces, 2- housings, 3- electrode As, 4- electrode Bs, 5- electrodes C, 6- flow sensor, 7- temperature
Sensors A, 8- temperature sensors B, 9- electrically heated rod, 10- circulation water pipes, 11- incrustation scales.
Specific embodiment
To make those skilled in the art more clear and clear and definite the technical solution of the utility model, with reference to embodiment and
Attached drawing is described in further detail the utility model, and however, the embodiments of the present invention are not limited thereto.
As depicted in figs. 1 and 2, a kind of thermal resistance dirt detector provided in this embodiment, including sensor unit 01, with it is described
The number being electrically connected with detection module 02, with signal generation with detection module 02 occurs for the signal that sensor unit 01 is electrically connected
The communication module 04 and power module 05 being electrically connected according to processing module 03, respectively with the data processing module 03；
The sensor unit 01 includes at least three metal electrodes, two temperature sensors, an electrically heated rod 9, one
A flow sensor 6 and a circulation water pipe 10, three metal electrodes and the flow sensor 6 are arranged at the stream
On water service pipe 10, two temperature sensors and the electrically heated rod 9 are provided respectively therein in two metal electrodes；
The signal occurs to generate the power signal of driving electrically heated rod 9 with detection module 02, generates and applies wherein one
Pulse signal on a electrode is switched on or off another electrode, and measures the current responsing signal of the electrode,
The temperature signal of two temperature sensors is measured, measures 6 flow signal of flow sensor；
The data processing module 03 occurs to obtain and handled including temperature, water flow with detection module 02 from the signal
With the data including electrode curve, by comparing the difference of electrode curve, judge whether there is surface variation on electrode, infer whether
Hot dirty Trend value is calculated in fouling, the influence that the own temperature of compensation water carrys out electrode band, and the heat loss of compensating electrode；
The interface that the communication module 04 can be communicated to the offer of peripheral control unit, collector and host computer, and described in transmission
What the processing of data processing module 03 calculated obtains hot dirty Trend value；
The power module 05 occurs to the sensor unit 01, the signal with detection module 02, at the data
It manages module 03 and communication module 04 provides power supply.
Further, in the present embodiment, as shown in Fig. 2, further including housing 2, three metal electrodes, described in two
Temperature sensor and the electrically heated rod 9 are arranged in the housing 2；The metal electrode includes electrode A 3,4 and of electrode B
Electrode C5, the electrode A 3, the electrode B 4 and the electrode C5 are arranged at the downstream of the flow sensor 6.
Further, in the present embodiment, as shown in Fig. 2, the electrode B 4 is arranged on the electrode A 3 and the electrode
Between C5, the electrode work that the electrode A 3, the electrode B 4 and the electrode C5 are arranged on the circulation water pipe 10 is flat
On face 1, the electrode working face 1 contacts current；The electrode A 3 and the electrode C5 are identical material electrodes, the electrode
The working face area that A3 and the electrode C5 are contacted with current is identical.
Further, in the present embodiment, as shown in Fig. 2, the temperature sensor includes temperature sensor A7 and temperature
Sensor B8, the temperature sensor A7 and the electrically heated rod 9 are arranged in the electrode A 3, the temperature sensor B8
It is arranged in the electrode C5；The signal occurs to generate the power signal for driving the electrically heated rod 9 with detection module 02, production
The raw pulse signal being applied in the electrode B 4, the on or off electrode A 3 or the electrode C5, and detect
The temperature of the current responsing signal of the electrode A 3 or the electrode C5, the temperature sensor A7 and the temperature sensor B8
6 flow signal of signal and the flow sensor.
Further, in the present embodiment, as shown in Fig. 3, Fig. 4 and Fig. 5, water can influence metal after the fouling of metal surface
The surface area contacted with water influences the contact impedance between metal and water, by applying alternating-current pulse electricity to a pair of metal electrodes
Pressure, the surface area of the preferable reacting metal of monitoring current response condition energy, the change of contact impedance, so as to analyze metal surface
Whether faint fouling is had.
Further, in the present embodiment, electrode A, electrode B, electrode C are fixed by housing, and working face is made to contact water
Stream, electrode A is identical with electrode C-material, and the working face area contacted with water is identical, and surface treatment is consistent.
Further, in the present embodiment, electrode A being heated using electrical bar, temperature in use sensors A measures temperature T1,
Temperature sensor B measures temperature T2, disconnects electrode C in circuit and applies alternating-current pulse driving voltage, measuring electrode A to electrode B
Current-responsive curve S1, then disconnect electrode A in circuit, case electrode B applies the pulsewidth driving voltage identical with amplitude, surveys
The current-responsive curve S2 of electrode C is measured, measurement flow sensor obtains current water flow V1.By comparing electrode curve S1 and S2
Difference, judge whether there is surface variation in electrode A, infer whether fouling, can be with the own temperature pair of compensation water by T1, T2
The influence that electrode C is brought, can be with the heat loss of compensating electrode A by V1.
Further, in the present embodiment, signal generation is responsible for generating in sensor unit with detection module drives electricity to add
The power signal of hot pin generates the pulse signal being applied in electrode B, on or off electrode A or electrode C, and
The current responsing signal of measuring electrode A or electrode C, measure temperature sensor A, and the temperature signal of temperature sensor B measures flow
Sensor flow signal.
Further, in the present embodiment, data processing module from control signal occur with detection module and obtain T1,
Thermal resistance dirt trend is calculated in T2, S1, S2, V1.
Further, in the present embodiment, communication module mainly can to offers such as peripheral control unit, collector, host computers
The interface of communication, obtain data processing module processing calculating obtains hot dirty Trend value.
Further, in the present embodiment, mainly into system, modules provide power supply to power module.
In conclusion in the present embodiment, according to the thermal resistance dirt detector of the present embodiment, thermal resistance dirt provided in this embodiment
Detector, it is simple in structure compared with traditional dynamic simulation test method, it is at low cost, there is continuous monitoring continuous signal to export energy
Power, Real-time Feedback scaling tendency, is measured using electrical method, no additional machinery mechanism, can long-time stable work, safeguard hold
Easily, this detector is easily minimized, convenient for in-site installation.
The above is only the utility model further embodiment, but the scope of protection of the utility model is not limited to
In this, any one skilled in the art is according to the present utility model in scope disclosed in the utility model
Technical solution and its design are subject to equivalent substitution or change, belong to the scope of protection of the utility model.
Claims (7)
1. a kind of thermal resistance dirt detector, which is characterized in that be electrically connected including sensor unit (01), with the sensor unit (01)
The data processing module being electrically connected with detection module (02), with signal generation with detection module (02) occurs for the signal connect
(03), the communication module (04) and power module (05) being electrically connected respectively with the data processing module (03)；
The sensor unit (01) includes at least three metal electrodes, two temperature sensors, electrically heated rod (9), one
A flow sensor (6) and a circulation water pipe (10), three metal electrodes and the flow sensor (6) are arranged at
On the circulation water pipe (10), two temperature sensors and the electrically heated rod (9) are provided respectively therein described in two
In metal electrode；
The signal occurs to generate the power signal of driving electrically heated rod (9) with detection module (02), generates and applies wherein one
Pulse signal on a electrode is switched on or off another electrode, and measures the current responsing signal of the electrode,
The temperature signal of two temperature sensors is measured, measures flow sensor (6) flow signal；
The data processing module (03) occurs to obtain and handled including temperature, water flow with detection module (02) from the signal
With the data including electrode curve, by comparing the difference of electrode curve, judge whether there is surface variation on electrode, infer whether
Hot dirty Trend value is calculated in fouling, the influence that the own temperature of compensation water carrys out electrode band, and the heat loss of compensating electrode；
The interface that the communication module (04) can communicate to the offer of peripheral control unit, collector and host computer, and send the number
Hot dirty Trend value is obtained according to what processing module (03) processing calculated；
The power module (05) occurs and detection module (02), the data to the sensor unit (01), the signal
Processing module (03) and communication module (04) provide power supply.
2. a kind of thermal resistance dirt detector according to claim 1, which is characterized in that further include housing (2), three gold
Belong to electrode, two temperature sensors and the electrically heated rod (9) to be arranged in the housing (2).
3. a kind of thermal resistance dirt detector according to claim 2, which is characterized in that the metal electrode includes electrode A
(3), electrode B (4) and electrode C (5), the electrode A (3), the electrode B (4) and the electrode C (5) are arranged at the stream
The downstream of quantity sensor (6).
4. a kind of thermal resistance dirt detector according to claim 3, which is characterized in that the electrode B (4) is arranged on the electricity
Between pole A (3) and the electrode C (5), the electrode A (3), the electrode B (4) and the electrode C (5) are arranged at described
On the electrode working face (1) to circulate on water pipe (10), the electrode working face (1) contacts current.
5. a kind of thermal resistance dirt detector according to claim 4, which is characterized in that the electrode A (3) and the electrode C
(5) for identical material electrodes, the working face area that the electrode A (3) and the electrode C (5) are contacted with current is identical.
6. a kind of thermal resistance dirt detector according to claim 4, which is characterized in that the temperature sensor is passed including temperature
Sensor A (7) and temperature sensor B (8), the temperature sensor A (7) and the electrically heated rod (9) are arranged at the electrode A
(3) in, the temperature sensor B (8) is arranged in the electrode C (5).
7. a kind of thermal resistance dirt detector according to claim 6, which is characterized in that the signal occurs and detection module
(02) power signal for driving the electrically heated rod (9) is generated, generates the pulse signal being applied in the electrode B (4),
The on or off electrode A (3) or the electrode C (5), and detect the electric current of the electrode A (3) or the electrode C (5)
Response signal, the temperature signal of the temperature sensor A (7) and the temperature sensor B (8) and the flow sensor (6)
Flow signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721590741.5U CN207457119U (en) | 2017-11-24 | 2017-11-24 | A kind of thermal resistance dirt detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721590741.5U CN207457119U (en) | 2017-11-24 | 2017-11-24 | A kind of thermal resistance dirt detector |
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| Publication Number | Publication Date |
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| CN207457119U true CN207457119U (en) | 2018-06-05 |
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ID=62276976
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| CN201721590741.5U Active CN207457119U (en) | 2017-11-24 | 2017-11-24 | A kind of thermal resistance dirt detector |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107807147A (en) * | 2017-11-24 | 2018-03-16 | 常州罗盘星检测科技有限公司 | A kind of thermal resistance dirt detector |
-
2017
- 2017-11-24 CN CN201721590741.5U patent/CN207457119U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107807147A (en) * | 2017-11-24 | 2018-03-16 | 常州罗盘星检测科技有限公司 | A kind of thermal resistance dirt detector |
| CN107807147B (en) * | 2017-11-24 | 2024-04-26 | 常州罗盘星检测科技有限公司 | Thermal scale detector |
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