CN208206592U - A kind of multichannel samples the device that keeps sample automatically - Google Patents
A kind of multichannel samples the device that keeps sample automatically Download PDFInfo
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- CN208206592U CN208206592U CN201820715933.2U CN201820715933U CN208206592U CN 208206592 U CN208206592 U CN 208206592U CN 201820715933 U CN201820715933 U CN 201820715933U CN 208206592 U CN208206592 U CN 208206592U
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Abstract
The utility model discloses a kind of multichannels to sample the device that keeps sample automatically, including shell, it which is provided with sampling air inlet and multiple sampling bag interfaces, controller and sampling pump are equipped in shell, the air inlet of sampling pump is connect with sampling air inlet, and afflux valve group is additionally provided in shell, afflux valve group includes valve body and multiple sampling solenoid valves, multiple second interfaces that valve body has a first interface, communicates with first interface, first interface connect sampling pump, second interface connection sampling bag interface；Shell is equipped with detection probe, connect with controller, and for detecting the concentration of environmental pollution gas, controller issues sampled signal when the concentration of polluted gas is more than setting value, starts sampling pump, and opens the sampling solenoid valve of corresponding sampling bag interface connection.The utility model can be realized and polluted gas is targetedly sampled and kept sample automatically, and the manufacturing cost of product is lower, can repeatedly carry out sampling keep sample.
Description
Technical field
The utility model relates to atmosphere environment supervision technical fields, and in particular to a kind of multichannel samples the device that keeps sample automatically.
Background technique
Today's society, atmosphere polluting problem become increasingly conspicuous.But due to the discharge of polluted gas have discontinuity, not really
It is qualitative, and chemical activity is stronger, is easy to participate in Atmospheric Chemistry reaction in diffusion process, to comparatively fast decay, therefore, using ring
Border monitoring emergency worker rushes towards the mode of collection in worksite sample, effective poor, can not reflect true emission behaviour mostly.
Keep sample control system for this purpose, Chinese utility model patent CN204515437U discloses a kind of sampling of automatic gas,
Including multiple gas monitoring instruments, multiple alarms, master controller, wireless signal transmitter, wireless signal receiver, multiple electromagnetism
Valve and multiple gas collecting devices, the program can be realized polluted gas and targetedly automatically control sampling.The program is logical
Wireless network control realization is crossed, building whole network control system needs higher cost.In addition, gas collecting device is by true
Sky pump and gas sampling bag composition, when gas sampling, form negative pressure by the pumping of vacuum pump and automatically collect air sample
In gas sampling bag, this mode is had the following deficiencies:
(1) each gas sampling assembly is only equipped with one and samples the bag that keeps sample, after the completion of sampling keeps sample, if without timely
The sampling more renewed keeps sample bag, then the sampling that can not be carried out next time keeps sample.And if to realize single-point multiple repairing weld, it needs
Prepare multiple gas sampling assemblies, single-point multiple repairing weld keeps sample higher cost.
(2) in the program when gas sampling bag gas production, vacuum pump is automatically turned on, and forms negative pressure certainly by the pumping of vacuum pump
It is dynamic to collect air sample in gas sampling bag.Therefore, each gas sampling assembly is equipped with a vacuum in the program
Pump, considerably increases the cost of gas sampling assembly.
(3) environmental gas is sucked by negative pressure due to sampler bag, sampler bag needs to be directly placed in air, easily dirty
Dye, service life are low.
In view of this, it is desirable to provide a kind of multichannel samples the device that keeps sample automatically, targeted to polluted gas to realize
Automatically sample and keep sample, and the manufacturing cost of product is lower, can repeatedly carry out sampling keep sample.
Utility model content
Technical problem to be solved in the utility model is that existing polluted gas artificial sample keeps sample mode, product manufacturing
The problem of higher cost.
In order to solve the above-mentioned technical problem, technical solution used by the utility model is to provide a kind of multichannel and samples automatically
Keep sample device, comprising:
Shell, the shell are equipped with sampling air inlet and multiple sampling bag interfaces, be equipped in the shell controller and
Sampling pump, the air inlet of the sampling pump connect with the sampling air inlet, are additionally provided in the shell:
Afflux valve group, including valve body and multiple sampling solenoid valves, the valve body have a first interface and described first
Multiple second interfaces that interface communicates, the first interface connect the sampling pump, the second interface connection sampling bag interface；
The shell is equipped with detection probe, connect with the controller, for detecting the concentration of environmental pollution gas, institute
It states controller and issues sampled signal when the concentration of polluted gas is more than setting value, start the sampling pump, and open and accordingly adopt
The sampling solenoid valve of sample bag interface connection.
In the above scheme, the controller is equipped with sampling setting module, for setting available sampling bag interface, institute
Controller is stated according to the record of the sampling setting module, the corresponding sampling solenoid valve of available sampling bag interface is connected in selection.
In the above scheme, the shell is equipped with multiple indicator lights, corresponds the sampling bag interface setting, described
Corresponding indicator light is lighted or extinguished to controller according to the record of the sampling setting module.
In the above scheme, the sampling bag interface is provided with sensor, for detecting whether sampler bag is installed in place, institute
State the record that controller changes the sampling setting module according to the testing result of the sensor.
In the above scheme, the shell is equipped with operation panel, for setting running parameter.
In the above scheme, the shell is equipped with communication interface, and the communication interface connect with the controller, is used for
Connect external equipment.
In the above scheme, it is additionally provided with the third interface being connected to the first interface on the valve body, described
Three interfaces, which are equipped with, vacuumizes solenoid valve, and the shell is equipped with vacuum pumping opening, and the vacuum pumping opening is vacuumized with described
Solenoid valve connection.
In the above scheme, the outer surface of the shell is equipped with the cabinet body formed by groove, and can be opened by cabinet door
Or close, the sampling bag interface is arranged in the cabinet body.
In the above scheme, pretreatment solenoid valve is additionally provided in the shell, the pretreatment solenoid valve is one two
On-off valve, import connect the sampling pump, and the one outlet in two outlets connects the first interface of the afflux valve group, separately
One outlet is connected to atmosphere.
Compared with prior art, the utility model provides scheme, connects multiple sampling bag interfaces by afflux valve group, so that
The present apparatus can install multiple sampler bags, realize multiple repairing weld.Building control network is not needed, cost is greatly reduced.
Detailed description of the invention
Fig. 1 is the schematic diagram of the utility model；
Fig. 2 is the connection schematic diagram of afflux valve group in the utility model.
Specific embodiment
The utility model provides a kind of multichannel and samples the device that keeps sample automatically, can be realized targeted to polluted gas
Automatically it samples and keeps sample, to identify pollution source, effectively track the discharge responsible party of polluted gas, improve administrative department pair
The supervision prevention and control ability of atmosphere pollution.The great advantage of the utility model is to greatly reduce the manufacturing cost of product, and one
Platform equipment can be with single-point multiple repairing weld.The utility model is made specifically with specific embodiment with reference to the accompanying drawings of the specification
It is bright.
Fig. 1 is that multichannel provided by the utility model samples the schematic device that keeps sample automatically, and dotted line indicates air circuit connection in figure
Pipeline, controller 20 and sampling pump 30 and sampling solenoid valve 43 use cable connection, these cables are not shown in the figure.
As shown in Figure 1, multichannel provided by the utility model samples the device that keeps sample, including shell 10 automatically, set on shell 10
There are sampling air inlet 11 and multiple sampling bag interfaces 12, sampling bag interface 12 can also be set on shell 10 for installing sampler bag
A vacuum pumping opening 13 is set, for sampler bag emergency vacuumize process.The outer surface of shell 10 is equipped with and is formed by groove
Cabinet body, and can be opened or closed by cabinet door 15, it samples bag interface 12 and vacuum pumping opening 13 is arranged in cabinet body.Cause
This, scheme provided by the utility model can close cabinet door 15, so that sampler bag be made to obtain effectively after sampler bag 60 is installed
Protection, avoids wind and weather, prolongs the service life.
Controller 20, sampling pump 30 and an afflux valve group 40 are equipped in shell 10.
As shown in Fig. 2, afflux valve group 40 includes valve body and multiple sampling solenoid valves 43, valve body has a first interface
41, the multiple second interfaces 42 communicated with the first interface 41 and a third interface 43, first interface 41 is for connecting sampling
Pump 30, to realize that environmental gas samples；Second interface 42 is conveyed for connecting sampling bag interface 12 with realizing to sampler bag 60
Sample gas；Third interface 43 is used to connect the vacuum pumping opening 13 on shell 10, is vacuumized with realizing to the emergency of sampler bag
Processing.
The present embodiment can install 5 sampler bags simultaneously, therefore 5 sampling bag interfaces 12 are provided on shell 10, correspondingly,
Afflux valve group 40 has 5 second interfaces 42.Each second interface 42 is correspondingly arranged a sampling solenoid valve 44, third interface 43
Setting vacuumizes solenoid valve 45.Sampling solenoid valve 44 is respectively connected to corresponding sampling bag interface 12, vacuumizes the company of solenoid valve 45
Connect vacuum pumping opening 13.Sampling bag interface 12 and vacuum pumping opening 13 match with the intake valve on sampler bag 60.
The air inlet of sampling pump 30 connect with sampling air inlet 11, and the of 30 gas outlet of sampling pump and afflux valve group 40
The connection of one interface 41.
Shell 10 is equipped with detection probe 14, connect with controller 20, for detecting the concentration of environmental pollution gas, controls
Device 20 issues sampled signal when the concentration of polluted gas is more than setting value, starts sampling pump 30 by sampled signal, and open
Corresponding sampling solenoid valve 43, surrounding air is input in corresponding sampler bag 60.
Controller 20 is equipped with sampling setting module, and for setting available sampling bag interface, controller 20 is according to sampling
The record of setting module, in sampling, the corresponding sampling solenoid valve of available sampling bag interface is connected in selection.If a sampling
Bag completes sampling, then samples setting module for its corresponding sampling solenoid valve and be set as unavailable, will not when sampling again
This sampling solenoid valve is opened, and selects to open the corresponding sampling solenoid valve of other available Sampling Interfaces, until replacing sampler bag
When, then this sampling solenoid valve is set as available.
It is additionally provided with multiple indicator lights on shell 10, corresponds sampling bag interface setting, controller 20 is set according to sampling
Corresponding indicator light is lighted or extinguished to the record of module, to identify available sampling bag interface.
It is provided with sensor on sampling bag interface 12, for detecting whether sampler bag is installed in place, controller 20 is according to biography
Whether the record of the testing result change sampling setting module of sensor, can be used with setting sampling bag interface, if sampler bag is installed
Not in place, then the sampling bag interface is unavailable, and it is unavailable that sampling setting module sets corresponding sampling solenoid valve automatically.
Shell 10 is equipped with operation panel, for setting running parameter.Communication interface, communication interface are additionally provided on shell 10
It is connect with controller 20, for connecting external equipment.It samples the device that keeps sample automatically to multichannel to be debugged, be arranged, or transmission
The data of preservation.Wireless communication module is also provided in shell 10, wireless communication module is connect with controller, by wireless
Mode connects external equipment.
Due to scheme provided by the utility model, environmental gas is transported in sampler bag 60 by sampling pump 30, therefore,
Sampler bag is mounted on the acquisition that will not influence gas in cabinet door.And in the prior art, if sampler bag is mounted in cabinet door, cabinet
Door will affect the collection effect of gas.In particular, either environmental gas enters from the gap of cabinet door, or from opening in cabinet door
Hole enters, and all there is a situation where in the dust fall entrained gas on gap or hole wall.
In order to ensure the accuracy of sample gas, sampler bag must be vacuum state.For this purpose, the utility model provide with
Under a variety of solutions.
(1) sampling pump 30 plays the role of sampling and vacuumizing simultaneously.Specific implementation is:
After controller 20 receives the exceeded signal of the sending of detection probe 14, issues sampled signal and give sampling pump and 30 phases respectively
The sampling solenoid valve 44 of bag interface should be sampled, the sampling solenoid valve of remaining sampling bag interface is closed, and is carried out to corresponding sampler bag
It vacuumizes, after the completion of vacuumizing, controller 20 controls the sampling pump 30 reversion, is pumped into environmental gas and defeated from sampling air inlet 11
It is sent in sampler bag 60.The program, which ensures, is in vacuum state before sampler bag is packed into sample gas.
(2) if encountering special or fortuitous event, such as the reason of sampling solenoid valve, causes sampler bag to vacuumize failure, work
Sampler bag can be removed by making personnel, be mounted in vacuum pumping opening 13, be vacuumized using vacuum pumping opening 13 to sampler bag, it
It is mounted on again on sampling bag interface 12 afterwards.In order to realize the program, individually one is equipped on shell 10 and vacuumizes button, Huo Zhe
It is arranged one on operation panel (interface) and vacuumizes button.After pressing this button, the opening of controller 20 vacuumizes solenoid valve 45, will
Vacuum pumping opening 13 is connected to sampling pump 30, is vacuumized to sampler bag.This scheme is particularly suitable for nearby having this multiple equipment,
In an emergency measure taken when something goes wrong.
(3) in order to avoid remaining Dilution air or contamination sampling gas in equipment admission line, the utility model is provided
Scheme in, increase one for pollution air carry out pretreatment solenoid valve 50, as shown in Fig. 2, pretreatment solenoid valve 50
It is two on-off valves, import connects sampling pump 30, and first of the one outlet connection afflux valve group 40 in two outlets connects
Mouth 41, another outlet atmosphere.After controller 20 issues sampled signal, the pretreatment solenoid valve 50 connection is controlled first and is adopted
Sample air inlet and outside air extract outside air and clean air inlet pipeline, control the pretreatment solenoid valve 50 commutation again later,
It is switched to sampling air inlet to communicate with afflux valve group 40, to guarantee that air in air inlet pipeline and outside contamination gas phase are same.
In conclusion scheme provided by the utility model, has the advantages that following significant:
(1) device has multiple sampling bag interfaces, can install multiple samplings simultaneously and keep sample bag, and control system can when sampling
Kept sample with selecting one or more of sampler bags to carry out sampling, realizes multiple spot different time multiple repairing weld, it is ensured that in time
Obtain polluted gas sample.
(2) by afflux valve group, using a sampling pump realize multiple sampler bags vacuumize and gas sampling, significantly
Reduce the production cost of product.
(3) integral type integrated equipment does not need building network, and single-point multi-channel sampling is adaptable, at low cost.
The utility model is not limited to above-mentioned preferred forms, and anyone should learn that the enlightenments in the utility model
Under the structure change made, it is all that there is same or similar technical solution with the utility model, each fall within the utility model
Within protection scope.
Claims (9)
1. a kind of multichannel samples the device that keeps sample, including shell automatically, the shell is equipped with sampling air inlet and multiple sampler bags
Interface, the shell is interior to be equipped with controller and sampling pump, and the air inlet of the sampling pump is connect with the sampling air inlet, special
Sign is, is additionally provided in the shell:
Afflux valve group, including valve body and multiple sampling solenoid valves, the valve body have a first interface and the first interface
The multiple second interfaces communicated, the first interface connect the sampling pump, the second interface connection sampling bag interface；
The shell is equipped with detection probe, connect with the controller, for detecting the concentration of environmental pollution gas, the control
Device processed issues sampled signal when the concentration of polluted gas is more than setting value, starts the sampling pump, and open corresponding sampler bag
The sampling solenoid valve of interface connection.
2. multichannel according to claim 1 samples the device that keeps sample automatically, which is characterized in that the controller is equipped with sampling
Setting module, for setting available sampling bag interface, the controller connects according to the record for sampling setting module, selection
Lead to the corresponding sampling solenoid valve of available sampling bag interface.
3. multichannel according to claim 2 samples the device that keeps sample automatically, which is characterized in that the shell is equipped with multiple fingers
Show lamp, correspond the sampling bag interface setting, the controller is lighted or put out according to the record of the sampling setting module
Go out corresponding indicator light.
4. multichannel according to claim 2 samples the device that keeps sample automatically, which is characterized in that the sampling bag interface is provided with
Sensor, for detecting whether sampler bag is installed in place, the controller is according to the change of the testing result of the sensor
Sample the record of setting module.
5. multichannel according to claim 1 samples the device that keeps sample automatically, which is characterized in that the shell is equipped with operating surface
Plate, for setting running parameter.
6. multichannel according to claim 1 samples the device that keeps sample automatically, which is characterized in that the shell is equipped with communication and connects
Mouthful, the communication interface is connect with the controller, for connecting external equipment.
7. multichannel according to claim 1 samples the device that keeps sample automatically, which is characterized in that be additionally provided with one on the valve body
The third interface being connected to the first interface, the third interface, which is equipped with, vacuumizes solenoid valve, and the shell is equipped with true
Empty pump port, the vacuum pumping opening are connect with the solenoid valve that vacuumizes.
8. multichannel according to claim 1 samples the device that keeps sample automatically, which is characterized in that the outer surface of the shell is equipped with
The cabinet body formed by groove, and can be opened or closed by cabinet door, the sampling bag interface is arranged in the cabinet body.
9. multichannel according to claim 1 samples the device that keeps sample automatically, which is characterized in that be additionally provided with pre- place in the shell
Manage solenoid valve, the pretreatment solenoid valve is two on-off valves, and import connects the sampling pump, two export in one
A outlet connects the first interface of the afflux valve group, another outlet atmosphere.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820715933.2U CN208206592U (en) | 2018-05-14 | 2018-05-14 | A kind of multichannel samples the device that keeps sample automatically |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820715933.2U CN208206592U (en) | 2018-05-14 | 2018-05-14 | A kind of multichannel samples the device that keeps sample automatically |
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| CN208206592U true CN208206592U (en) | 2018-12-07 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109781464A (en) * | 2019-01-31 | 2019-05-21 | 河海大学 | A kind of automatic water quality sampler |
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2018
- 2018-05-14 CN CN201820715933.2U patent/CN208206592U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109781464A (en) * | 2019-01-31 | 2019-05-21 | 河海大学 | A kind of automatic water quality sampler |
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